From 61509a1a49bb8f169ca51d1babf5b4034eeee643 Mon Sep 17 00:00:00 2001 From: greggman Date: Fri, 24 Nov 2023 21:01:38 +0000 Subject: [PATCH] =?UTF-8?q?Deploying=20to=20gh-pages=20from=20@=20greggman?= =?UTF-8?q?/muigui@feb0d8fc590527622262ce0ecacfd15a123ce459=20=F0=9F=9A=80?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .eslintignore | 7 + .eslintrc.cjs | 109 + .gitignore | 6 + .vscode/settings.json | 9 + CNAME | 1 + LICENSE.md | 20 + README.md | 94 + TODO.md | 181 + build/prep-for-deploy.js | 9 + build/serve.js | 62 + build/tsconfig-serve.json | 6 + dist/0.x/controllers/Button.d.ts | 6 + dist/0.x/controllers/Canvas.d.ts | 6 + dist/0.x/controllers/Checkbox.d.ts | 4 + dist/0.x/controllers/Color.d.ts | 6 + dist/0.x/controllers/ColorChooser.d.ts | 5 + dist/0.x/controllers/Container.d.ts | 13 + dist/0.x/controllers/Controller.d.ts | 20 + dist/0.x/controllers/Direction.d.ts | 5 + dist/0.x/controllers/Divider.d.ts | 4 + dist/0.x/controllers/Folder.d.ts | 10 + dist/0.x/controllers/Label.d.ts | 4 + dist/0.x/controllers/LabelController.d.ts | 8 + dist/0.x/controllers/PopDownController.d.ts | 10 + dist/0.x/controllers/RadioGrid.d.ts | 4 + dist/0.x/controllers/Range.d.ts | 4 + dist/0.x/controllers/Select.d.ts | 4 + dist/0.x/controllers/Slider.d.ts | 4 + dist/0.x/controllers/Text.d.ts | 4 + dist/0.x/controllers/TextNumber.d.ts | 5 + dist/0.x/controllers/ValueController.d.ts | 17 + dist/0.x/controllers/Vec2.d.ts | 4 + dist/0.x/controllers/create-controller.d.ts | 13 + dist/0.x/esm.d.ts | 10 + dist/0.x/layout/Column.d.ts | 4 + dist/0.x/layout/Frame.d.ts | 5 + dist/0.x/layout/Grid.d.ts | 4 + dist/0.x/layout/Layout.d.ts | 5 + dist/0.x/layout/Row.d.ts | 4 + dist/0.x/libs/assert.d.ts | 1 + dist/0.x/libs/color-utils.d.ts | 215 + dist/0.x/libs/conversions.d.ts | 16 + dist/0.x/libs/elem.d.ts | 4 + dist/0.x/libs/ids.d.ts | 1 + dist/0.x/libs/key-values.d.ts | 1 + dist/0.x/libs/keyboard.d.ts | 6 + dist/0.x/libs/resize-helpers.d.ts | 3 + dist/0.x/libs/svg.d.ts | 1 + dist/0.x/libs/taskrunner.d.ts | 2 + dist/0.x/libs/touch.d.ts | 17 + dist/0.x/libs/utils.d.ts | 27 + dist/0.x/libs/wheel.d.ts | 1 + dist/0.x/muigui.d.ts | 46 + dist/0.x/muigui.js | 3835 ++ dist/0.x/muigui.js.map | 1 + dist/0.x/muigui.min.js | 2 + dist/0.x/muigui.min.js.map | 1 + dist/0.x/muigui.module.js | 3818 ++ dist/0.x/muigui.module.js.map | 1 + dist/0.x/muigui.module.min.js | 2 + dist/0.x/muigui.module.min.js.map | 1 + dist/0.x/styles/muigui.css.d.ts | 10 + dist/0.x/views/CheckboxView.d.ts | 6 + dist/0.x/views/ColorChooserView.d.ts | 7 + dist/0.x/views/ColorView.d.ts | 7 + dist/0.x/views/DirectionView.d.ts | 7 + dist/0.x/views/EditView.d.ts | 6 + dist/0.x/views/ElementView.d.ts | 4 + dist/0.x/views/NumberView.d.ts | 7 + dist/0.x/views/RadioGridView.d.ts | 7 + dist/0.x/views/RangeView.d.ts | 7 + dist/0.x/views/SelectView.d.ts | 6 + dist/0.x/views/SliderView.d.ts | 7 + dist/0.x/views/TextView.d.ts | 7 + dist/0.x/views/ValueView.d.ts | 4 + dist/0.x/views/Vec2View.d.ts | 6 + dist/0.x/views/View.d.ts | 16 + .../3rdParty/threejs/build/three.module.js | 49023 ++++++++++++++++ .../jsm/controls/TrackballControls.js | 805 + examples/controllers/direction.html | 53 + examples/custom.html | 55 + examples/js/cube.js | 101 + examples/js/index-umd.js | 647 + examples/js/index.js | 804 + examples/js/logger.js | 19 + examples/js/utils.js | 27 + examples/layout/layout.html | 11 + examples/layout/layout.js | 31 + images/muigui-icon.png | Bin 0 -> 3433 bytes images/muigui-screenshot.png | Bin 0 -> 80026 bytes images/muigui.png | Bin 0 -> 9195 bytes index-umd.html | 98 + index.html | 99 + package-lock.json | 7327 +++ package.json | 59 + rollup.config.js | 81 + src/controllers/Button.js | 34 + src/controllers/Canvas.js | 17 + src/controllers/Checkbox.js | 11 + src/controllers/Color.js | 31 + src/controllers/ColorChooser.js | 52 + src/controllers/Container.js | 64 + src/controllers/Controller.js | 141 + src/controllers/Direction.js | 23 + src/controllers/Divider.js | 9 + src/controllers/Folder.js | 37 + src/controllers/Label.js | 14 + src/controllers/LabelController.js | 32 + src/controllers/PopDownController.js | 85 + src/controllers/RadioGrid.js | 17 + src/controllers/Range.js | 11 + src/controllers/Select.js | 14 + src/controllers/Slider.js | 12 + src/controllers/TabHolder.js | 36 + src/controllers/Text.js | 10 + src/controllers/TextNumber.js | 18 + src/controllers/ValueController.js | 115 + src/controllers/Vec2.js | 49 + src/controllers/create-controller.js | 51 + src/esm.ts | 12 + src/layout/Column.js | 7 + src/layout/Frame.js | 11 + src/layout/Grid.js | 7 + src/layout/Layout.js | 46 + src/layout/Row.js | 7 + src/libs/assert.js | 5 + src/libs/color-utils.js | 646 + src/libs/conversions.js | 22 + src/libs/css-utils.js | 3 + src/libs/elem.js | 37 + src/libs/emitter.js | 68 + src/libs/ids.js | 5 + src/libs/iterable-array.js | 57 + src/libs/key-values.js | 25 + src/libs/keyboard.js | 32 + src/libs/resize-helpers.js | 22 + src/libs/svg.js | 33 + src/libs/taskrunner.js | 56 + src/libs/touch.js | 56 + src/libs/utils.js | 105 + src/libs/wheel.js | 10 + src/muigui.js | 163 + src/styles/muigui.css.js | 756 + src/umd.js | 21 + src/views/CheckboxView.js | 23 + src/views/ColorChooserView.js | 218 + src/views/ColorView.js | 50 + src/views/DirectionView.js | 127 + src/views/EditView.js | 100 + src/views/ElementView.js | 8 + src/views/GridView.js | 15 + src/views/NumberView.js | 67 + src/views/RadioGridView.js | 47 + src/views/RangeView.js | 79 + src/views/SelectView.js | 23 + src/views/SliderView.js | 195 + src/views/TextView.js | 49 + src/views/ValueView.js | 11 + src/views/Vec2View.js | 52 + src/views/View.ts | 58 + test/assert.js | 219 + test/index.html | 75 + test/index.js | 12 + test/mocha-support.js | 7 + test/mocha.css | 326 + test/mocha.js | 18104 ++++++ test/puppeteer.js | 72 + test/tests/color-utils-tests.js | 115 + test/tests/muigui-tests.js | 8 + tsconfig.json | 26 + 170 files changed, 91233 insertions(+) create mode 100644 .eslintignore create mode 100644 .eslintrc.cjs create mode 100644 .gitignore create mode 100644 .vscode/settings.json create mode 100644 CNAME create mode 100644 LICENSE.md create mode 100644 README.md create mode 100644 TODO.md create mode 100644 build/prep-for-deploy.js create mode 100644 build/serve.js create mode 100644 build/tsconfig-serve.json create mode 100644 dist/0.x/controllers/Button.d.ts create mode 100644 dist/0.x/controllers/Canvas.d.ts create mode 100644 dist/0.x/controllers/Checkbox.d.ts create mode 100644 dist/0.x/controllers/Color.d.ts create mode 100644 dist/0.x/controllers/ColorChooser.d.ts create mode 100644 dist/0.x/controllers/Container.d.ts create mode 100644 dist/0.x/controllers/Controller.d.ts create mode 100644 dist/0.x/controllers/Direction.d.ts create mode 100644 dist/0.x/controllers/Divider.d.ts create mode 100644 dist/0.x/controllers/Folder.d.ts create mode 100644 dist/0.x/controllers/Label.d.ts create mode 100644 dist/0.x/controllers/LabelController.d.ts create mode 100644 dist/0.x/controllers/PopDownController.d.ts create mode 100644 dist/0.x/controllers/RadioGrid.d.ts create mode 100644 dist/0.x/controllers/Range.d.ts create mode 100644 dist/0.x/controllers/Select.d.ts create mode 100644 dist/0.x/controllers/Slider.d.ts create mode 100644 dist/0.x/controllers/Text.d.ts create mode 100644 dist/0.x/controllers/TextNumber.d.ts create mode 100644 dist/0.x/controllers/ValueController.d.ts create mode 100644 dist/0.x/controllers/Vec2.d.ts create mode 100644 dist/0.x/controllers/create-controller.d.ts create mode 100644 dist/0.x/esm.d.ts create mode 100644 dist/0.x/layout/Column.d.ts create mode 100644 dist/0.x/layout/Frame.d.ts create mode 100644 dist/0.x/layout/Grid.d.ts create mode 100644 dist/0.x/layout/Layout.d.ts create mode 100644 dist/0.x/layout/Row.d.ts create mode 100644 dist/0.x/libs/assert.d.ts create mode 100644 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create mode 100644 src/views/NumberView.js create mode 100644 src/views/RadioGridView.js create mode 100644 src/views/RangeView.js create mode 100644 src/views/SelectView.js create mode 100644 src/views/SliderView.js create mode 100644 src/views/TextView.js create mode 100644 src/views/ValueView.js create mode 100644 src/views/Vec2View.js create mode 100644 src/views/View.ts create mode 100644 test/assert.js create mode 100644 test/index.html create mode 100644 test/index.js create mode 100644 test/mocha-support.js create mode 100644 test/mocha.css create mode 100644 test/mocha.js create mode 100755 test/puppeteer.js create mode 100644 test/tests/color-utils-tests.js create mode 100644 test/tests/muigui-tests.js create mode 100644 tsconfig.json diff --git a/.eslintignore b/.eslintignore new file mode 100644 index 0000000..e4fc7fe --- /dev/null +++ b/.eslintignore @@ -0,0 +1,7 @@ +test/js +test/mocha.js +/webgl-lint.js +dist +examples/3rdParty +out +examples/**/*.js diff --git a/.eslintrc.cjs b/.eslintrc.cjs new file mode 100644 index 0000000..c3b9a4f --- /dev/null +++ b/.eslintrc.cjs @@ -0,0 +1,109 @@ +/* global module */ + +module.exports = { + parser: '@typescript-eslint/parser', + env: { + es2022: true, + browser: true, + }, + parserOptions: { + sourceType: 'module', + ecmaVersion: 'latest', + tsconfigRootDir: __dirname, + project: ['./tsconfig.json'], + }, + root: true, + + plugins: [ + '@typescript-eslint', + 'eslint-plugin-html', + 'eslint-plugin-optional-comma-spacing', + 'eslint-plugin-require-trailing-comma', + ], + extends: [ + 'eslint:recommended', + 'plugin:@typescript-eslint/recommended', // Uses the recommended rules from the @typescript-eslint/eslint-plugin + ], + rules: { + 'brace-style': [2, '1tbs', { allowSingleLine: false }], + camelcase: [0], + 'comma-dangle': 0, + 'comma-spacing': 0, + 'comma-style': [2, 'last'], + 'consistent-return': 2, + curly: [2, 'all'], + 'dot-notation': 0, + 'eol-last': [0], + eqeqeq: 2, + 'global-strict': [0], + 'key-spacing': [0], + 'keyword-spacing': [1, { before: true, after: true, overrides: {} }], + 'new-cap': 2, + 'new-parens': 2, + 'no-alert': 2, + 'no-array-constructor': 2, + 'no-caller': 2, + 'no-catch-shadow': 2, + 'no-comma-dangle': [0], + 'no-const-assign': 2, + 'no-eval': 2, + 'no-extend-native': 2, + 'no-extra-bind': 2, + 'no-extra-parens': [2, 'functions'], + 'no-implied-eval': 2, + 'no-irregular-whitespace': 2, + 'no-iterator': 2, + 'no-label-var': 2, + 'no-labels': 2, + 'no-lone-blocks': 2, + 'no-loop-func': 2, + 'no-multi-spaces': [0], + 'no-multi-str': 2, + 'no-native-reassign': 2, + 'no-new-func': 2, + 'no-new-object': 2, + 'no-new-wrappers': 2, + 'no-new': 2, + 'no-obj-calls': 2, + 'no-octal-escape': 2, + 'no-process-exit': 2, + 'no-proto': 2, + 'no-return-assign': 2, + 'no-script-url': 2, + 'no-sequences': 2, + 'no-shadow-restricted-names': 2, + 'no-shadow': [0], + 'no-spaced-func': 2, + 'no-trailing-spaces': 2, + 'no-undef-init': 2, + //'no-undef': 2, // ts recommends this be off: https://typescript-eslint.io/linting/troubleshooting + 'no-underscore-dangle': 2, + 'no-unreachable': 2, + 'no-unused-expressions': 2, + 'no-use-before-define': 0, + 'no-var': 2, + 'no-with': 2, + 'one-var': ["error", "never"], + 'optional-comma-spacing/optional-comma-spacing': [2, { after: true }], + 'prefer-const': 2, + 'require-trailing-comma/require-trailing-comma': [2], + 'semi-spacing': [2, { before: false, after: true }], + semi: [2, 'always'], + 'space-before-function-paren': [ + 2, + { + anonymous: 'always', + named: 'never', + asyncArrow: 'always', + }, + ], + 'space-infix-ops': 2, + 'space-unary-ops': [2, { words: true, nonwords: false }], + strict: [2, 'function'], + yoda: [2, 'never'], + '@typescript-eslint/no-empty-function': 'off', + '@typescript-eslint/no-explicit-any': 'off', // TODO: Reenable this and figure out how to fix code. + '@typescript-eslint/no-non-null-assertion': 'off', + '@typescript-eslint/no-unused-vars': 2, + }, +}; diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..5aab17e --- /dev/null +++ b/.gitignore @@ -0,0 +1,6 @@ + + +*.pyc +.DS_Store +node_modules +out diff --git a/.vscode/settings.json b/.vscode/settings.json new file mode 100644 index 0000000..230241b --- /dev/null +++ b/.vscode/settings.json @@ -0,0 +1,9 @@ +{ + "cSpell.words": [ + "Accum", + "elems", + "muigui", + "stepify", + "treeshake" + ] +} \ No newline at end of file diff --git a/CNAME b/CNAME new file mode 100644 index 0000000..4eef503 --- /dev/null +++ b/CNAME @@ -0,0 +1 @@ +muigui.org \ No newline at end of file diff --git a/LICENSE.md b/LICENSE.md new file mode 100644 index 0000000..36cc8c1 --- /dev/null +++ b/LICENSE.md @@ -0,0 +1,20 @@ +The MIT License (MIT) + +Copyright (c) 2022 Gregg Tavares + +Permission is hereby granted, free of charge, to any person obtaining a copy of +this software and associated documentation files (the "Software"), to deal in +the Software without restriction, including without limitation the rights to +use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of +the Software, and to permit persons to whom the Software is furnished to do so, +subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS +FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR +COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER +IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/README.md b/README.md new file mode 100644 index 0000000..a70362c --- /dev/null +++ b/README.md @@ -0,0 +1,94 @@ +# muigui + +# NOT READY for USE + + + +## License + +[MIT](https://github.com/greggman/muigui/blob/main/LICENSE.md) diff --git a/TODO.md b/TODO.md new file mode 100644 index 0000000..b1e1ff1 --- /dev/null +++ b/TODO.md @@ -0,0 +1,181 @@ +# To Do + +- [ ] Tests +- [ ] DirectionView to use converters +- [ ] Color RGB, HSL, LAB, Alpha? (just input=color for now?) + - [x] red, green, blue color formats + - [x] #RGB + - [x] RGB + - [x] #RRGGBB + - [x] RRGGBB + - [x] 0xRRGGBB + - [x] [255, 255, 255] + - [x] [1, 1, 1] + - [ ] red, green, blue, alpha color formats + + note: the default color editor doesn't have alpha so this is a big ask. + I think this is best as an extra add on since it requires a non-small + amount of code to build a color editor? (actually, maybe I don't care about size) + + note: kind of leading toward not carrying about size and also + making own color editor as the default one, at least in Chrome, + kinda sucks. + + - [ ] 0xRRGGBBAA + - [ ] #RRGGBBAA + - [ ] [255, 255, 255, 255] + - [ ] [1, 1, 1, 1] + + - [ ] hdr colors (this is really just not limited them to 1.0 on float colors, and/or CSS strings) +- [x] (no for now) wrapping slider? (0-360) +- [x] (no for now) Direction? (an arrow, low-pri) +- [x] onChange +- [x] name +- [x] listen +- [x] update +- [x] disable +- [x] remove +- [x] hide +- [x] fix 'period'. It's stepping by 0.1 and only going to 3.1 +- [ ] camelCase to Camel Case? +- [x] get rid of min/max/step etc... as setters and add setOptions +- [ ] interval +- [ ] radio +- [x] scroll wheel (not sure, opt in?) +- [ ] make direction roll with min/max? +- [ ] add ticks like volume control to direction (rename knob) +- [x] text red if invalid? +- [ ] fix editing text (forgot where it's failing) +- [ ] what should 0x123 do for hex colors because we want it to be 0x000123. I guess it just works. +- [ ] angle (circle with arrow) - both display, and editor +- [ ] slider with ticks and number +- [ ] circle input (circle with 2 arrows) - both display and editor +- [ ] add keyboard controls to direction +- [ ] add keyboard controls to vec2 +- [ ] add keyboard controls to color picker +- [x] Label (not interactive) +- [x] Label multi line (use as log) +- [x] ask for file? (nah, drag and drop is better) +- [ ] styles (form) +- [x] deg to rad +- [x] fix step with conversions +- [x] format slider number? +- [ ] TextArea (edit larger text) + - [ ] pop-out text (or expand in place?) +- [ ] submenus +- [x] menu open/close +- [x] scroll on long (css) +- [ ] x, y, z +- [x] copy paste all (no, what would that even look like? right click? Shift-Ctrl-C?) +- [x] single line text +- [x] splitter +- [x] functions to query colors? +- [x] (doesn't work) maybe just add color-scheme to CSS +- [ ] make svg ids start with muigui +- [ ] on enter in text field we need to invalidate value cache +- [ ] add all + - [ ] add with filter? (pass in filter so you can make positive or negative) + - [ ] add with list of fields? + - [ ] list of options by field name + - [ ] recursive (max depth?) + - [ ] match by instanceof ? + - [ ] let user provide matcher? +- [x] add hover for long name +- [ ] try making custom controllers. In particular a list editor like unity +- [x] fix "RGB" +- [x] fix first column when changing width +- [x] do autoplace test +- [ ] Create layout units? Instead of using CSS directly on types maybe make + components that do nothing but layout? + `Column`, `Row`, etc. Then for layout it becomes + + Column[ + title, + Column[ + Row[ + Column[label, Color, Text], + ], + Row[ + Column[label, Slider, Number], + ] + Row[ + Button, + ] + ], + ] + + No idea if that makes sense + +- [ ] try to refactor Text, Number, Slider, Color, Checkbox, etc, into more reusable components + so you can combine them into a new component. Like ideally an X,Y,Z might be + 3 sliders. So maybe instead of Checkbox extends ValueComponent it should just + `ValueComponent.add(new Checkbox())` or something to that effect. Same with ValueComponent + vs Component. Maybe it's `Component.add(new ValueComponent())` + + Can we separate text and number and reuse them? + +- [x] auto step (not going to do this for now) +- [x] fix can't enter trailing '.' on input number (FF only?) (maybe don't set text when value from text) +- [x] consider more explicit layout + - [x] (1 part, 2 parts, 3 parts) or (1 part, 2 parts where 3 is [[1][2[1][2]]]) +- [ ] Docs +- [ ] API docs (jsdoc) +- [ ] TypeScript +- [x] add folder.onChange/onFinishChange +- [x] Fix Safari Style +- [x] Fix Safari overflow on long names +- [x] Change menu to button or at least make it so you can focus +- [x] add focus to color +- [x] fix disabled so it disables all inputs (otherwise focus goes there) + +--- + +- [ ] look into add without object. eg + + ```js + gui.addButton(title, fn); + gui.addSlider(title, get, set, min, max, step); + gui.addNumber(title, get, set, converter, step); + gui.addText(title, get, set); + gui.addCheckbox(title, get, set); + gui.addColor(title, get, set, format); + ``` + + or + + ```js + gui.addController(new Button(title, fn)); + gui.addController(new Slider(title, get, set, min, max, step)); + gui.addController(new Number(title, get, set, converter, step)); + gui.addController(new Text(title, get, set)); + gui.addController(new Checkbox(title, get, set)); + gui.addController(new Color(title, get, set, format)); + ``` + + It's kind of gross but given this is probably a not a common desire, if you really want to mod a + local variable you can do this + + ```js + let temperature = 72.0; + + const helper = { + get v() { return temperature; } + set v(newV) { temperature = newV; } + }; + + gui.add(helper, 'v').name('temperature'); + ``` + + + The second is arguably better than the first? The first is cluttered API, having to add every widget. + Sadly the `addColor` and `addFolder` are already the expected API 😭 + +- [ ] Decide what to do about to/from + + DirectionView: pass in what you want + NumberView: pass in what you want + what if I want hex? (use text view?) + SliderView: pass in what you want + TextView: ??? + ColorView: ??? + Vec2View: pass in what you want \ No newline at end of file diff --git a/build/prep-for-deploy.js b/build/prep-for-deploy.js new file mode 100644 index 0000000..e87158a --- /dev/null +++ b/build/prep-for-deploy.js @@ -0,0 +1,9 @@ +import fs from 'fs'; +import path from 'path'; +import * as url from 'url'; +const dirname = url.fileURLToPath(new URL('.', import.meta.url)); + +const ignoreFilename = path.join(dirname, '..', '.gitignore'); +const ignore = fs.readFileSync(ignoreFilename, {encoding: 'utf8'}); +const newIgnore = ignore.replace(/# -- clip-for-deploy-start --[\s\S]*?# -- clip-for-deploy-end --/, ''); +fs.writeFileSync(ignoreFilename, newIgnore); diff --git a/build/serve.js b/build/serve.js new file mode 100644 index 0000000..a373cb6 --- /dev/null +++ b/build/serve.js @@ -0,0 +1,62 @@ +import path from 'path'; +import fsPromise from 'fs/promises'; +import {spawn} from 'child_process'; +import chokidar from 'chokidar'; + +spawn('./node_modules/.bin/tsc', [ + '--watch', +], { + stdio: 'inherit', +}); + +spawn('./node_modules/.bin/servez', [ + 'out', +], { + shell: true, + stdio: 'inherit', +}); + +const ignoreFns = [ + fn => fn.startsWith('.git'), + fn => fn.startsWith('node_modules'), + fn => fn.startsWith('build'), + fn => fn.startsWith('out'), + fn => fn.startsWith('src'), + fn => fn.startsWith('dist'), + fn => fn.startsWith('.'), +]; + +function ignore(fn) { + for (const ignoreFn of ignoreFns) { + if (ignoreFn(fn)) { + return true; + } + } + return false; +} + +const outDir = 'out'; + +async function copyFile(srcFilename) { + const dstFilename = path.join(outDir, srcFilename); + const dirname = path.dirname(dstFilename); + try { + await fsPromise.stat(dirname); + } catch { + await fsPromise.mkdir(dirname, { recursive: true }); + } + console.log('copy', srcFilename, '->', dstFilename); + await fsPromise.copyFile(srcFilename, dstFilename); +} + +chokidar.watch('.').on('all', (event, path) => { + switch (event) { + case 'add': + case 'change': + if (ignore(path)) { + return; + } + copyFile(path); + break; + } +}); diff --git a/build/tsconfig-serve.json b/build/tsconfig-serve.json new file mode 100644 index 0000000..76f2768 --- /dev/null +++ b/build/tsconfig-serve.json @@ -0,0 +1,6 @@ +{ + "extends": "../tsconfig.json", + "compilerOptions": { + "outDir": "out/src" + } +} diff --git a/dist/0.x/controllers/Button.d.ts b/dist/0.x/controllers/Button.d.ts new file mode 100644 index 0000000..50f0953 --- /dev/null +++ b/dist/0.x/controllers/Button.d.ts @@ -0,0 +1,6 @@ +export default class Button extends Controller { + constructor(object: any, property: any, options?: {}); + setOptions(options: any): void; + #private; +} +import Controller from './Controller.js'; diff --git a/dist/0.x/controllers/Canvas.d.ts b/dist/0.x/controllers/Canvas.d.ts new file mode 100644 index 0000000..bbdc33f --- /dev/null +++ b/dist/0.x/controllers/Canvas.d.ts @@ -0,0 +1,6 @@ +export default class Canvas extends LabelController { + constructor(); + get canvas(): HTMLElement; + #private; +} +import LabelController from './LabelController.js'; diff --git a/dist/0.x/controllers/Checkbox.d.ts b/dist/0.x/controllers/Checkbox.d.ts new file mode 100644 index 0000000..6dd8ce1 --- /dev/null +++ b/dist/0.x/controllers/Checkbox.d.ts @@ -0,0 +1,4 @@ +export default class Checkbox extends ValueController { + constructor(object: any, property: any); +} +import ValueController from './ValueController.js'; diff --git a/dist/0.x/controllers/Color.d.ts b/dist/0.x/controllers/Color.d.ts new file mode 100644 index 0000000..7406fa1 --- /dev/null +++ b/dist/0.x/controllers/Color.d.ts @@ -0,0 +1,6 @@ +export default class Color extends ValueController { + constructor(object: any, property: any, options?: {}); + setOptions(options: any): this; + #private; +} +import ValueController from './ValueController.js'; diff --git a/dist/0.x/controllers/ColorChooser.d.ts b/dist/0.x/controllers/ColorChooser.d.ts new file mode 100644 index 0000000..ebbfe71 --- /dev/null +++ b/dist/0.x/controllers/ColorChooser.d.ts @@ -0,0 +1,5 @@ +export default class ColorChooser extends PopDownController { + setOptions(options: any): this; + #private; +} +import PopDownController from './PopDownController.js'; diff --git a/dist/0.x/controllers/Container.d.ts b/dist/0.x/controllers/Container.d.ts new file mode 100644 index 0000000..3dafbde --- /dev/null +++ b/dist/0.x/controllers/Container.d.ts @@ -0,0 +1,13 @@ +export default class Container extends Controller { + get children(): any[]; + get controllers(): any[]; + get folders(): any[]; + reset(recursive?: boolean): this; + updateDisplay(): this; + remove(controller: any): this; + addController(controller: any): any; + pushContainer(container: any): any; + popContainer(): this; + #private; +} +import Controller from './Controller.js'; diff --git a/dist/0.x/controllers/Controller.d.ts b/dist/0.x/controllers/Controller.d.ts new file mode 100644 index 0000000..8f4b8c9 --- /dev/null +++ b/dist/0.x/controllers/Controller.d.ts @@ -0,0 +1,20 @@ +export default class Controller extends View { + constructor(className: any); + get parent(): any; + setParent(parent: any): void; + show(show?: boolean): this; + hide(): this; + disabled(): boolean; + enable(enable?: boolean): this; + disable(disable?: boolean): this; + onChange(fn: any): this; + removeChange(fn: any): this; + onFinishChange(fn: any): this; + removeFinishChange(fn: any): this; + emitChange(value: any, object: any, property: any): void; + emitFinalChange(value: any, object: any, property: any): void; + updateDisplay(): void; + getColors(): any; + #private; +} +import View from '../views/View.js'; diff --git a/dist/0.x/controllers/Direction.d.ts b/dist/0.x/controllers/Direction.d.ts new file mode 100644 index 0000000..288814b --- /dev/null +++ b/dist/0.x/controllers/Direction.d.ts @@ -0,0 +1,5 @@ +export default class Direction extends PopDownController { + constructor(object: any, property: any, options: any); + #private; +} +import PopDownController from './PopDownController.js'; diff --git a/dist/0.x/controllers/Divider.d.ts b/dist/0.x/controllers/Divider.d.ts new file mode 100644 index 0000000..11fff60 --- /dev/null +++ b/dist/0.x/controllers/Divider.d.ts @@ -0,0 +1,4 @@ +export default class Divider extends Controller { + constructor(); +} +import Controller from './Controller.js'; diff --git a/dist/0.x/controllers/Folder.d.ts b/dist/0.x/controllers/Folder.d.ts new file mode 100644 index 0000000..54f372c --- /dev/null +++ b/dist/0.x/controllers/Folder.d.ts @@ -0,0 +1,10 @@ +export default class Folder extends Container { + constructor(name?: string, className?: string); + open(open?: boolean): this; + close(): this; + name(name: any): this; + title(title: any): this; + toggleOpen(): this; + #private; +} +import Container from './Container.js'; diff --git a/dist/0.x/controllers/Label.d.ts b/dist/0.x/controllers/Label.d.ts new file mode 100644 index 0000000..b717340 --- /dev/null +++ b/dist/0.x/controllers/Label.d.ts @@ -0,0 +1,4 @@ +export default class Label extends Controller { + text(text: any): this; +} +import Controller from './Controller.js'; diff --git a/dist/0.x/controllers/LabelController.d.ts b/dist/0.x/controllers/LabelController.d.ts new file mode 100644 index 0000000..6ddcfa1 --- /dev/null +++ b/dist/0.x/controllers/LabelController.d.ts @@ -0,0 +1,8 @@ +export default class LabelController extends Controller { + constructor(className?: string, name?: string); + get id(): string; + name(name: any): this; + tooltip(tip: any): void; + #private; +} +import Controller from './Controller.js'; diff --git a/dist/0.x/controllers/PopDownController.d.ts b/dist/0.x/controllers/PopDownController.d.ts new file mode 100644 index 0000000..97d01cf --- /dev/null +++ b/dist/0.x/controllers/PopDownController.d.ts @@ -0,0 +1,10 @@ +export default class PopDownController extends ValueController { + constructor(object: any, property: any, options?: {}); + setKnobColor(bgCssColor: any): void; + updateDisplay(): void; + setOptions(options: any): void; + addTop(view: any): any; + addBottom(view: any): any; + #private; +} +import ValueController from './ValueController.js'; diff --git a/dist/0.x/controllers/RadioGrid.d.ts b/dist/0.x/controllers/RadioGrid.d.ts new file mode 100644 index 0000000..2c193fb --- /dev/null +++ b/dist/0.x/controllers/RadioGrid.d.ts @@ -0,0 +1,4 @@ +export default class RadioGrid extends ValueController { + constructor(object: any, property: any, options: any); +} +import ValueController from './ValueController.js'; diff --git a/dist/0.x/controllers/Range.d.ts b/dist/0.x/controllers/Range.d.ts new file mode 100644 index 0000000..a1fac1f --- /dev/null +++ b/dist/0.x/controllers/Range.d.ts @@ -0,0 +1,4 @@ +export default class Range extends ValueController { + constructor(object: any, property: any, options: any); +} +import ValueController from './ValueController.js'; diff --git a/dist/0.x/controllers/Select.d.ts b/dist/0.x/controllers/Select.d.ts new file mode 100644 index 0000000..1387f97 --- /dev/null +++ b/dist/0.x/controllers/Select.d.ts @@ -0,0 +1,4 @@ +export default class Select extends ValueController { + constructor(object: any, property: any, options: any); +} +import ValueController from './ValueController.js'; diff --git a/dist/0.x/controllers/Slider.d.ts b/dist/0.x/controllers/Slider.d.ts new file mode 100644 index 0000000..0597f38 --- /dev/null +++ b/dist/0.x/controllers/Slider.d.ts @@ -0,0 +1,4 @@ +export default class Slider extends ValueController { + constructor(object: any, property: any, options?: {}); +} +import ValueController from './ValueController.js'; diff --git a/dist/0.x/controllers/Text.d.ts b/dist/0.x/controllers/Text.d.ts new file mode 100644 index 0000000..6955d07 --- /dev/null +++ b/dist/0.x/controllers/Text.d.ts @@ -0,0 +1,4 @@ +export default class Text extends ValueController { + constructor(object: any, property: any); +} +import ValueController from './ValueController.js'; diff --git a/dist/0.x/controllers/TextNumber.d.ts b/dist/0.x/controllers/TextNumber.d.ts new file mode 100644 index 0000000..3b96e2e --- /dev/null +++ b/dist/0.x/controllers/TextNumber.d.ts @@ -0,0 +1,5 @@ +export default class TextNumber extends ValueController { + constructor(object: any, property: any, options?: {}); + #private; +} +import ValueController from './ValueController.js'; diff --git a/dist/0.x/controllers/ValueController.d.ts b/dist/0.x/controllers/ValueController.d.ts new file mode 100644 index 0000000..c75abe5 --- /dev/null +++ b/dist/0.x/controllers/ValueController.d.ts @@ -0,0 +1,17 @@ +export default class ValueController extends LabelController { + constructor(object: any, property: any, className?: string); + get initialValue(): any; + get object(): any; + get property(): any; + add(view: any): any; + setValue(v: any): void; + setFinalValue(v: any): this; + updateDisplay(ignoreCache: any): this; + setOptions(options: any): this; + getValue(): any; + value(v: any): this; + reset(): this; + listen(listen?: boolean): this; + #private; +} +import LabelController from './LabelController.js'; diff --git a/dist/0.x/controllers/Vec2.d.ts b/dist/0.x/controllers/Vec2.d.ts new file mode 100644 index 0000000..72df7b8 --- /dev/null +++ b/dist/0.x/controllers/Vec2.d.ts @@ -0,0 +1,4 @@ +export default class Vec2 extends PopDownController { + constructor(object: any, property: any); +} +import PopDownController from './PopDownController.js'; diff --git a/dist/0.x/controllers/create-controller.d.ts b/dist/0.x/controllers/create-controller.d.ts new file mode 100644 index 0000000..ca37c40 --- /dev/null +++ b/dist/0.x/controllers/create-controller.d.ts @@ -0,0 +1,13 @@ +/** + * possible inputs + * add(o, p, min: number, max: number) + * add(o, p, min: number, max: number, step: number) + * add(o, p, array: [value]) + * add(o, p, array: [[key, value]]) + * + * @param {*} object + * @param {string} property + * @param {...any} args + * @returns {Controller} + */ +export function createController(object: any, property: string, ...args: any[]): Controller; diff --git a/dist/0.x/esm.d.ts b/dist/0.x/esm.d.ts new file mode 100644 index 0000000..0f10034 --- /dev/null +++ b/dist/0.x/esm.d.ts @@ -0,0 +1,10 @@ +import GUI from './muigui.js'; +export { default as ColorChooser } from './controllers/ColorChooser.js'; +export { default as Direction } from './controllers/Direction.js'; +export { default as RadioGrid } from './controllers/RadioGrid.js'; +export { default as Range } from './controllers/Range.js'; +export { default as Select } from './controllers/Select.js'; +export { default as Slider } from './controllers/Slider.js'; +export { default as TextNumber } from './controllers/TextNumber.js'; +export { default as Vec2 } from './controllers/Vec2.js'; +export default GUI; diff --git a/dist/0.x/layout/Column.d.ts b/dist/0.x/layout/Column.d.ts new file mode 100644 index 0000000..332e883 --- /dev/null +++ b/dist/0.x/layout/Column.d.ts @@ -0,0 +1,4 @@ +export default class Column extends Layout { + constructor(); +} +import Layout from './Layout.js'; diff --git a/dist/0.x/layout/Frame.d.ts b/dist/0.x/layout/Frame.d.ts new file mode 100644 index 0000000..e2c4f7c --- /dev/null +++ b/dist/0.x/layout/Frame.d.ts @@ -0,0 +1,5 @@ +export default class Frame extends Layout { + static get foo(): string; + constructor(); +} +import Layout from './Layout.js'; diff --git a/dist/0.x/layout/Grid.d.ts b/dist/0.x/layout/Grid.d.ts new file mode 100644 index 0000000..a7d1d8c --- /dev/null +++ b/dist/0.x/layout/Grid.d.ts @@ -0,0 +1,4 @@ +export default class Grid extends Layout { + constructor(); +} +import Layout from './Layout.js'; diff --git a/dist/0.x/layout/Layout.d.ts b/dist/0.x/layout/Layout.d.ts new file mode 100644 index 0000000..89655d9 --- /dev/null +++ b/dist/0.x/layout/Layout.d.ts @@ -0,0 +1,5 @@ +export default class Layout extends View { + static css: string; + constructor(tag: any, className: any); +} +import View from '../views/View.js'; diff --git a/dist/0.x/layout/Row.d.ts b/dist/0.x/layout/Row.d.ts new file mode 100644 index 0000000..b608884 --- /dev/null +++ b/dist/0.x/layout/Row.d.ts @@ -0,0 +1,4 @@ +export default class Row extends Layout { + constructor(); +} +import Layout from './Layout.js'; diff --git a/dist/0.x/libs/assert.d.ts b/dist/0.x/libs/assert.d.ts new file mode 100644 index 0000000..84e0f59 --- /dev/null +++ b/dist/0.x/libs/assert.d.ts @@ -0,0 +1 @@ +export function assert(truthy: any, msg?: string): void; diff --git a/dist/0.x/libs/color-utils.d.ts b/dist/0.x/libs/color-utils.d.ts new file mode 100644 index 0000000..d145154 --- /dev/null +++ b/dist/0.x/libs/color-utils.d.ts @@ -0,0 +1,215 @@ +export function hslToRgbUint8([h, s, l]: [any, any, any]): number[]; +export function hslaToRgbaUint8([h, s, l, a]: [any, any, any, any]): number[]; +export function rgbFloatToHsl01([r, g, b]: [any, any, any]): number[]; +export function rgbaFloatToHsla01([r, g, b, a]: [any, any, any, any]): any[]; +export function hsv01ToRGBFloat([hue, sat, val]: [any, any, any]): number[]; +export function hsva01ToRGBAFloat([hue, sat, val, alpha]: [any, any, any, any]): any[]; +export function rgbFloatToHSV01([r, g, b]: [any, any, any]): number[]; +export function rgbaFloatToHSVA01([r, g, b, a]: [any, any, any, any]): any[]; +export function guessFormat(v: any): string; +export function hexToUint8RGB(v: any): number[]; +export function uint8RGBToHex(v: any): string; +export function hexToUint8RGBA(v: any): number[]; +export function uint8RGBAToHex(v: any): string; +export function hexToFloatRGB(v: any): number[]; +export function floatRGBToHex(v: any): string; +export function hexToFloatRGBA(v: any): number[]; +export function floatRGBAToHex(v: any): string; +export function rgbUint8ToHsl(rgb: any): number[]; +export function rgbaUint8ToHsla(rgba: any): any[]; +export function hasAlpha(format: any): any; +export const colorFormatConverters: { + hex6: { + color: { + from: (v: any) => any[]; + to: typeof fixHex6; + }; + text: { + from: (v: any) => any[]; + to: (v: any) => any; + }; + }; + hex8: { + color: { + from: (v: any) => any[]; + to: typeof fixHex8; + }; + text: { + from: (v: any) => any[]; + to: (v: any) => any; + }; + }; + hex3: { + color: { + from: (v: any) => any[]; + to: typeof hex3ToHex6; + }; + text: { + from: (v: any) => any[]; + to: (v: any) => any; + }; + }; + 'hex6-no-hash': { + color: { + from: (v: any) => any[]; + to: (v: any) => string; + }; + text: { + from: (v: any) => any[]; + to: (v: any) => any; + }; + }; + 'hex8-no-hash': { + color: { + from: (v: any) => any[]; + to: (v: any) => string; + }; + text: { + from: (v: any) => any[]; + to: (v: any) => any; + }; + }; + 'hex3-no-hash': { + color: { + from: (v: any) => any[]; + to: typeof hex3ToHex6; + }; + text: { + from: (v: any) => any[]; + to: (v: any) => any; + }; + }; + 'uint32-rgb': { + color: { + from: (v: any) => (number | boolean)[]; + to: (v: any) => string; + }; + text: { + from: (v: any) => (number | boolean)[]; + to: (v: any) => string; + }; + }; + 'uint32-rgba': { + color: { + from: (v: any) => (number | boolean)[]; + to: (v: any) => string; + }; + text: { + from: (v: any) => (number | boolean)[]; + to: (v: any) => string; + }; + }; + 'uint8-rgb': { + color: { + from: (v: any) => (boolean | number[])[]; + to: (v: any) => string; + }; + text: { + from: (s: any) => (boolean | number[])[]; + to: (v: any) => any; + }; + }; + 'uint8-rgba': { + color: { + from: (v: any) => (boolean | number[])[]; + to: (v: any) => string; + }; + text: { + from: (s: any) => (boolean | number[])[]; + to: (v: any) => any; + }; + }; + 'float-rgb': { + color: { + from: (v: any) => (boolean | number[])[]; + to: (v: any) => string; + }; + text: { + from: (s: any) => any[]; + to: (v: any) => string; + }; + }; + 'float-rgba': { + color: { + from: (v: any) => (boolean | number[])[]; + to: (v: any) => string; + }; + text: { + from: (s: any) => any[]; + to: (v: any) => string; + }; + }; + 'object-rgb': { + color: { + from: (v: any) => (boolean | { + r: number; + g: number; + b: number; + })[]; + to: (v: any) => string; + }; + text: { + from: (s: any) => any[]; + to: (rgb: any) => string; + }; + }; + 'object-rgba': { + color: { + from: (v: any) => (boolean | { + r: number; + g: number; + b: number; + a: number; + })[]; + to: (v: any) => string; + }; + text: { + from: (s: any) => any[]; + to: (rgba: any) => string; + }; + }; + 'css-rgb': { + color: { + from: (v: any) => (string | boolean)[]; + to: (v: any) => string; + }; + text: { + from: (s: any) => (string | boolean)[]; + to: (v: any) => string | boolean; + }; + }; + 'css-rgba': { + color: { + from: (v: any) => (string | boolean)[]; + to: (v: any) => string; + }; + text: { + from: (s: any) => (string | boolean)[]; + to: (v: any) => string | boolean; + }; + }; + 'css-hsl': { + color: { + from: (v: any) => (string | boolean)[]; + to: (v: any) => string; + }; + text: { + from: (s: any) => (string | boolean)[]; + to: (v: any) => string | boolean; + }; + }; + 'css-hsla': { + color: { + from: (v: any) => (string | boolean)[]; + to: (v: any) => string; + }; + text: { + from: (s: any) => (string | boolean)[]; + to: (v: any) => string | boolean; + }; + }; +}; +declare function fixHex6(v: any): any; +declare function fixHex8(v: any): any; +declare function hex3ToHex6(hex3: any): any; +export {}; diff --git a/dist/0.x/libs/conversions.d.ts b/dist/0.x/libs/conversions.d.ts new file mode 100644 index 0000000..25f18df --- /dev/null +++ b/dist/0.x/libs/conversions.d.ts @@ -0,0 +1,16 @@ +export namespace identity { + function to(v: any): any; + function from(v: any): any[]; +} +export namespace strToNumber { + export function to_1(v: any): any; + export { to_1 as to }; + export function from_1(v: any): (number | boolean)[]; + export { from_1 as from }; +} +export namespace converters { + let radToDeg: { + to: (v: any) => any; + from: (v: any) => any[]; + }; +} diff --git a/dist/0.x/libs/elem.d.ts b/dist/0.x/libs/elem.d.ts new file mode 100644 index 0000000..720af8a --- /dev/null +++ b/dist/0.x/libs/elem.d.ts @@ -0,0 +1,4 @@ +export function setElemProps(elem: any, attrs: any, children: any): any; +export function createElem(tag: any, attrs?: {}, children?: any[]): any; +export function addElem(tag: any, parent: any, attrs?: {}, children?: any[]): any; +export function getNewId(): string; diff --git a/dist/0.x/libs/ids.d.ts b/dist/0.x/libs/ids.d.ts new file mode 100644 index 0000000..196073a --- /dev/null +++ b/dist/0.x/libs/ids.d.ts @@ -0,0 +1 @@ +export function makeId(): string; diff --git a/dist/0.x/libs/key-values.d.ts b/dist/0.x/libs/key-values.d.ts new file mode 100644 index 0000000..f151c67 --- /dev/null +++ b/dist/0.x/libs/key-values.d.ts @@ -0,0 +1 @@ +export function convertToKeyValues(keyValues: any, valueIsNumber: any): any[]; diff --git a/dist/0.x/libs/keyboard.d.ts b/dist/0.x/libs/keyboard.d.ts new file mode 100644 index 0000000..8a1a626 --- /dev/null +++ b/dist/0.x/libs/keyboard.d.ts @@ -0,0 +1,6 @@ +export function addKeyboardEvents(elem: any, { onDown, onUp }: { + onDown?: typeof noop | undefined; + onUp?: typeof noop | undefined; +}): () => void; +declare function noop(): void; +export {}; diff --git a/dist/0.x/libs/resize-helpers.d.ts b/dist/0.x/libs/resize-helpers.d.ts new file mode 100644 index 0000000..d63d278 --- /dev/null +++ b/dist/0.x/libs/resize-helpers.d.ts @@ -0,0 +1,3 @@ +export function onResize(elem: any, callback: any): void; +export function onResizeSVGNoScale(elem: any, hAnchor: any, vAnchor: any, callback: any): void; +export function onResizeCanvas(elem: any, callback: any): void; diff --git a/dist/0.x/libs/svg.d.ts b/dist/0.x/libs/svg.d.ts new file mode 100644 index 0000000..84873ee --- /dev/null +++ b/dist/0.x/libs/svg.d.ts @@ -0,0 +1 @@ +export function arc(cx: any, cy: any, r: any, start: any, end: any): string; diff --git a/dist/0.x/libs/taskrunner.d.ts b/dist/0.x/libs/taskrunner.d.ts new file mode 100644 index 0000000..2f6058a --- /dev/null +++ b/dist/0.x/libs/taskrunner.d.ts @@ -0,0 +1,2 @@ +export function addTask(fn: any): void; +export function removeTask(fn: any): void; diff --git a/dist/0.x/libs/touch.d.ts b/dist/0.x/libs/touch.d.ts new file mode 100644 index 0000000..267eb9f --- /dev/null +++ b/dist/0.x/libs/touch.d.ts @@ -0,0 +1,17 @@ +export function computeRelativePosition(elem: any, event: any, start: any): { + x: number; + y: number; + nx: number; + ny: number; + dx: number; + dy: number; + ndx: number; + ndy: number; +}; +export function addTouchEvents(elem: any, { onDown, onMove, onUp }: { + onDown?: typeof noop | undefined; + onMove?: typeof noop | undefined; + onUp?: typeof noop | undefined; +}): () => void; +declare function noop(): void; +export {}; diff --git a/dist/0.x/libs/utils.d.ts b/dist/0.x/libs/utils.d.ts new file mode 100644 index 0000000..422cfad --- /dev/null +++ b/dist/0.x/libs/utils.d.ts @@ -0,0 +1,27 @@ +export function removeArrayElem(array: any, value: any): any; +export function idToLabel(id: any): any; +export function clamp(v: any, min: any, max: any): number; +export function copyExistingProperties(dst: any, src: any): any; +export function makeMinMaxPair(gui: any, properties: any, minPropName: any, maxPropName: any, options: any): any[]; +export function isTypedArray(a: any): any; +export function isArrayOrTypedArray(v: any): any; +export function stepify(v: any, from: any, step: any): number; +export function euclideanModulo(v: any, n: any): number; +export function lerp(a: any, b: any, t: any): any; +export function mapRange(v: any, inMin: any, inMax: any, outMin: any, outMax: any): any; +export function makeRangeConverters({ from, to }: { + from: any; + to: any; +}): { + to: (v: any) => any; + from: (v: any) => any[]; +}; +export function makeRangeOptions({ from, to, step }: { + from: any; + to: any; + step: any; +}): any; +export namespace identity { + function to(v: any): any; + function from(v: any): any[]; +} diff --git a/dist/0.x/libs/wheel.d.ts b/dist/0.x/libs/wheel.d.ts new file mode 100644 index 0000000..61823b9 --- /dev/null +++ b/dist/0.x/libs/wheel.d.ts @@ -0,0 +1 @@ +export function createWheelHelper(): (e: any, step: any, wheelScale?: number) => number; diff --git a/dist/0.x/muigui.d.ts b/dist/0.x/muigui.d.ts new file mode 100644 index 0000000..985e780 --- /dev/null +++ b/dist/0.x/muigui.d.ts @@ -0,0 +1,46 @@ +export class GUIFolder extends Folder { + add(object: any, property: any, ...args: any[]): any; + addCanvas(name: any): any; + addColor(object: any, property: any, options?: {}): any; + addDivider(): any; + addFolder(name: any): any; + addLabel(text: any): any; +} +export class GUI extends GUIFolder { + static converters: { + radToDeg: { + to: (v: any) => any; + from: (v: any) => any[]; + }; + }; + static mapRange: (v: any, inMin: any, inMax: any, outMin: any, outMax: any) => any; + static makeRangeConverters: ({ from, to }: { + from: any; + to: any; + }) => { + to: (v: any) => any; + from: (v: any) => any[]; + }; + static makeRangeOptions: ({ from, to, step }: { + from: any; + to: any; + step: any; + }) => any; + static makeMinMaxPair: typeof makeMinMaxPair; + static setBaseStyles(css: any): void; + static getBaseStyleSheet(): CSSStyleSheet; + static setUserStyles(css: any): void; + static getUserStyleSheet(): CSSStyleSheet; + static setTheme(name: any): void; + constructor(options?: {}); + setStyle(css: any): void; + #private; +} +export default GUI; +import Column from './layout/Column.js'; +import Frame from './layout/Frame.js'; +import Grid from './layout/Grid.js'; +import Row from './layout/Row.js'; +import Folder from './controllers/Folder.js'; +import { makeMinMaxPair } from './libs/utils.js'; +export { Column, Frame, Grid, Row }; diff --git a/dist/0.x/muigui.js b/dist/0.x/muigui.js new file mode 100644 index 0000000..ce955f2 --- /dev/null +++ b/dist/0.x/muigui.js @@ -0,0 +1,3835 @@ +/* muigui@0.0.12, license MIT */ +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : + typeof define === 'function' && define.amd ? define(factory) : + (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.GUI = factory()); +})(this, (function () { 'use strict'; + + var css = { + default: ` +.muigui { + --bg-color: #ddd; + --color: #222; + --contrast-color: #eee; + --value-color: #145 ; + --value-bg-color: #eeee; + --disabled-color: #999; + --menu-bg-color: #f8f8f8; + --menu-sep-color: #bbb; + --hover-bg-color: #999; + --focus-color: #68C; + --range-color: #888888; + --invalid-color: #FF0000; + --selected-color: rgb(255, 255, 255, 0.9); + + --button-bg-color: var(--value-bg-color); + + --range-left-color: var(--value-color); + --range-right-color: var(--value-bg-color); + --range-right-hover-color: var(--hover-bg-color); + + color: var(--color); + background-color: var(--bg-color); +} + +@media (prefers-color-scheme: dark) { + .muigui { + --bg-color: #222222; + --color: #dddddd; + --contrast-color: #000; + --value-color: #43e5f7; + --value-bg-color: #444444; + --disabled-color: #666666; + --menu-bg-color: #080808; + --menu-sep-color: #444444; + --hover-bg-color: #666666; + --focus-color: #88AAFF; + --range-color: #888888; + --invalid-color: #FF6666; + --selected-color: rgba(255, 255, 255, 0.3); + + --button-bg-color: var(--value-bg-color); + + --range-left-color: var(--value-color); + --range-right-color: var(--value-bg-color); + --range-right-hover-color: var(--hover-bg-color); + + color: var(--color); + background-color: var(--bg-color); + } +} + +.muigui { + --width: 250px; + --label-width: 45%; + --number-width: 40%; + + + --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif; + --font-size: 11px; + --font-family-mono: Menlo, Monaco, Consolas, "Droid Sans Mono", monospace; + --font-size-mono: 11px; + + --line-height: 1.7em; + --border-radius: 0px; + + width: var(--width); + font-family: var(--font-family); + font-size: var(--font-size); + box-sizing: border-box; + line-height: 100%; +} +.muigui * { + box-sizing: inherit; +} + +.muigui-no-scroll { + touch-action: none; +} +.muigui-no-h-scroll { + touch-action: pan-y; +} +.muigui-no-v-scroll { + touch-action: pan-x; +} + +.muigui-invalid-value { + background-color: red !important; + color: white !important; +} + +.muigui-grid { + display: grid; +} +.muigui-rows { + display: flex; + flex-direction: column; + + min-height: 20px; + border: 2px solid red; +} +.muigui-columns { + display: flex; + flex-direction: row; + + height: 20px; + border: 2px solid green; +} +.muigui-rows>*, +.muigui-columns>* { + flex: 1 1 auto; + align-items: stretch; + min-height: 0; + min-width: 0; +} + +.muigui-row { + border: 2px solid yellow; + min-height: 10px +} +.muigui-column { + border: 2px solid lightgreen; +} + +/* -------- */ + +.muigui-show { /* */ } +.muigui-hide { + display: none !important; +} +.muigui-disabled { + pointer-events: none; + --color: var(--disabled-color) !important; + --value-color: var(--disabled-color) !important; + --range-left-color: var(--disabled-color) !important; +} + +.muigui canvas, +.muigui svg { + display: block; + border-radius: var(--border-radius); +} +.muigui canvas { + background-color: var(--value-bg-color); +} + +.muigui-controller { + min-width: 0; + min-height: var(--line-height); +} +.muigui-root, +.muigui-menu { + display: flex; + flex-direction: column; + position: relative; + user-select: none; + height: fit-content; + margin: 0; + padding-bottom: 0.1em; + border-radius: var(--border-radius); +} +.muigui-menu { + border-bottom: 1px solid var(--menu-sep-color); +} + +.muigui-root>button:nth-child(1), +.muigui-menu>button:nth-child(1) { + border-top: 1px solid var(--menu-sep-color); + border-bottom: 1px solid var(--menu-sep-color); + position: relative; + text-align: left; + color: var(--color); + background-color: var(--menu-bg-color); + min-height: var(--line-height); + padding-top: 0.2em; + padding-bottom: 0.2em; + cursor: pointer; + border-radius: var(--border-radius); +} +.muigui-root>div:nth-child(2), +.muigui-menu>div:nth-child(2) { + flex: 1 1 auto; +} + +.muigui-controller { + margin-left: 0.2em; + margin-right: 0.2em; +} +.muigui-root.muigui-controller, +.muigui-menu.muigui-controller { + margin-left: 0; + margin-right: 0; +} +.muigui-controller>*:nth-child(1) { + flex: 1 0 var(--label-width); + min-width: 0; + white-space: pre; +} +.muigui-controller>label:nth-child(1) { + place-content: center start; + display: inline-grid; + overflow: hidden; +} +.muigui-controller>*:nth-child(2) { + flex: 1 1 75%; + min-width: 0; +} + +/* ----------------------------------------- + a label controller is [[label][value]] +*/ + +.muigui-label-controller { + display: flex; + margin: 0.4em 0 0.4em 0; + word-wrap: initial; + align-items: stretch; +} + +.muigui-value { + display: flex; + align-items: stretch; +} +.muigui-value>* { + flex: 1 1 auto; + min-width: 0; +} +.muigui-value>*:nth-child(1) { + flex: 1 1 calc(100% - var(--number-width)); +} +.muigui-value>*:nth-child(2) { + flex: 1 1 var(--number-width); + margin-left: 0.2em; +} + +/* fix! */ +.muigui-open>button>label::before, +.muigui-closed>button>label::before { + width: 1.25em; + height: var(--line-height); + display: inline-grid; + place-content: center start; + pointer-events: none; +} +.muigui-open>button>label::before { + content: "ⓧ"; /*"▼";*/ +} +.muigui-closed>button>label::before { + content: "⨁"; /*"▶";*/ +} +.muigui-open>*:nth-child(2) { + transition: max-height 0.2s ease-out, + opacity 0.5s ease-out; + max-height: 100vh; + overflow: auto; + opacity: 1; +} + +.muigui-closed>*:nth-child(2) { + transition: max-height 0.2s ease-out, + opacity 1s; + max-height: 0; + opacity: 0; + overflow: hidden; +} + +/* ---- popdown ---- */ + +.muigui-pop-down-top { + display: flex; +} +/* fix? */ +.muigui-value>*:nth-child(1).muigui-pop-down-top { + flex: 0; +} +.muigui-pop-down-bottom { + +} + +.muigui-pop-down-values { + min-width: 0; + display: flex; +} +.muigui-pop-down-values>* { + flex: 1 1 auto; + min-width: 0; +} + +.muigui-value.muigui-pop-down-controller { + flex-direction: column; +} + +.muigui-pop-down-top input[type=checkbox] { + -webkit-appearance: none; + appearance: none; + width: auto; + color: var(--value-color); + background-color: var(--value-bg-color); + cursor: pointer; + + display: grid; + place-content: center; + margin: 0; + font: inherit; + color: currentColor; + width: 1.7em; + height: 1.7em; + transform: translateY(-0.075em); +} + +.muigui-pop-down-top input[type=checkbox]::before { + content: "+"; + display: grid; + place-content: center; + border-radius: calc(var(--border-radius) + 2px); + border-left: 1px solid rgba(255,255,255,0.3); + border-top: 1px solid rgba(255,255,255,0.3); + border-bottom: 1px solid rgba(0,0,0,0.2); + border-right: 1px solid rgba(0,0,0,0.2); + background-color: var(--range-color); + color: var(--value-bg-color); + width: calc(var(--line-height) - 4px); + height: calc(var(--line-height) - 4px); +} + +.muigui-pop-down-top input[type=checkbox]:checked::before { + content: "Ｘ"; +} + + +/* ---- select ---- */ + +.muigui select, +.muigui option, +.muigui input, +.muigui button { + color: var(--value-color); + background-color: var(--value-bg-color); + font-family: var(--font-family); + font-size: var(--font-size); + border: none; + margin: 0; + border-radius: var(--border-radius); +} +.muigui select { + appearance: none; + margin: 0; + margin-left: 0; /*?*/ + overflow: hidden; /* Safari */ +} + +.muigui select:focus, +.muigui input:focus, +.muigui button:focus { + outline: 1px solid var(--focus-color); +} + +.muigui select:hover, +.muigui option:hover, +.muigui input:hover, +.muigui button:hover { + background-color: var(--hover-bg-color); +} + +/* ------ [ label ] ------ */ + +.muigui-label { + border-top: 1px solid var(--menu-sep-color); + border-bottom: 1px solid var(--menu-sep-color); + padding-top: 0.4em; + padding-bottom: 0.3em; + place-content: center start; + background-color: var(--menu-bg-color); + white-space: pre; + border-radius: var(--border-radius); +} + +/* ------ [ divider] ------ */ + +.muigui-divider { + min-height: 6px; + border-top: 2px solid var(--menu-sep-color); + margin-top: 6px; +} + +/* ------ [ button ] ------ */ + +.muigui-button { + display: grid; + +} +.muigui-button button { + border: none; + color: var(--value-color); + background-color: var(--button-bg-color); + cursor: pointer; + place-content: center center; +} + +/* ------ [ color ] ------ */ + +.muigui-color>div { + overflow: hidden; + position: relative; + margin-left: 0; + margin-right: 0; /* why? */ + max-width: var(--line-height); + border-radius: var(--border-radius); +} + +.muigui-color>div:focus-within { + outline: 1px solid var(--focus-color); +} + +.muigui-color input[type=color] { + border: none; + padding: 0; + background: inherit; + cursor: pointer; + position: absolute; + width: 200%; + left: -10px; + top: -10px; + height: 200%; +} +.muigui-disabled canvas, +.muigui-disabled svg, +.muigui-disabled img, +.muigui-disabled .muigui-color input[type=color] { + opacity: 0.2; +} + +/* ------ [ checkbox ] ------ */ + +.muigui-checkbox>label:nth-child(2) { + display: grid; + place-content: center start; + margin: 0; +} + +.muigui-checkbox input[type=checkbox] { + -webkit-appearance: none; + appearance: none; + width: auto; + color: var(--value-color); + background-color: var(--value-bg-color); + cursor: pointer; + + display: grid; + place-content: center; + margin: 0; + font: inherit; + color: currentColor; + width: 1.7em; + height: 1.7em; + transform: translateY(-0.075em); +} + +.muigui-checkbox input[type=checkbox]::before { + content: ""; + color: var(--value-color); + display: grid; + place-content: center; +} + +.muigui-checkbox input[type=checkbox]:checked::before { + content: "✔"; +} + +.muigui input[type=number]::-webkit-inner-spin-button, +.muigui input[type=number]::-webkit-outer-spin-button { + -webkit-appearance: none; + appearance: none; + margin: 0; +} +.muigui input[type=number] { + -moz-appearance: textfield; +} + +/* ------ [ radio grid ] ------ */ + +.muigui-radio-grid>div { + display: grid; + gap: 2px; +} + +.muigui-radio-grid input { + appearance: none; + display: none; +} + +.muigui-radio-grid button { + color: var(--color); + width: 100%; + text-align: left; +} + +.muigui-radio-grid input:checked + button { + color: var(--value-color); + background-color: var(--selected-color); +} + +/* ------ [ color-chooser ] ------ */ + +.muigui-color-chooser-cursor { + stroke-width: 1px; + stroke: white; + fill: none; +} +.muigui-color-chooser-circle { + stroke-width: 1px; + stroke: white; + fill: none; +} + + +/* ------ [ vec2 ] ------ */ + +.muigui-vec2 svg { + background-color: var(--value-bg-color); +} + +.muigui-vec2-axis { + stroke: 1px; + stroke: var(--focus-color); +} + +.muigui-vec2-line { + stroke-width: 1px; + stroke: var(--value-color); + fill: var(--value-color); +} + +/* ------ [ direction ] ------ */ + +.muigui-direction svg { + background-color: rgba(0,0,0,0.2); +} + +.muigui-direction:focus-within svg { + outline: none; +} +.muigui-direction-range { + fill: var(--value-bg-color); +} +.muigui-direction svg:focus { + outline: none; +} +.muigui-direction svg:focus .muigui-direction-range { + stroke-width: 0.5px; + stroke: var(--focus-color); +} + +.muigui-direction-arrow { + fill: var(--value-color); +} + +/* ------ [ slider ] ------ */ + +.muigui-slider>div { + display: flex; + align-items: stretch; + height: var(--line-height); +} +.muigui-slider svg { + flex: 1 1 auto; +} +.muigui-slider .muigui-slider-up #muigui-orientation { + transform: scale(1, -1) translateY(-100%); +} + +.muigui-slider .muigui-slider-up #muigui-number-orientation { + transform: scale(1,-1); +} + +.muigui-ticks { + stroke: var(--range-color); +} +.muigui-thicks { + stroke: var(--color); + stroke-width: 2px; +} +.muigui-svg-text { + fill: var(--color); + font-size: 7px; +} +.muigui-mark { + fill: var(--value-color); +} + +/* ------ [ range ] ------ */ + + +.muigui-range input[type=range] { + -webkit-appearance: none; + appearance: none; + background-color: transparent; +} + +.muigui-range input[type=range]::-webkit-slider-thumb { + -webkit-appearance: none; + appearance: none; + border-radius: calc(var(--border-radius) + 2px); + border-left: 1px solid rgba(255,255,255,0.3); + border-top: 1px solid rgba(255,255,255,0.3); + border-bottom: 1px solid rgba(0,0,0,0.2); + border-right: 1px solid rgba(0,0,0,0.2); + background-color: var(--range-color); + margin-top: calc((var(--line-height) - 2px) / -2); + width: calc(var(--line-height) - 2px); + height: calc(var(--line-height) - 2px); +} + +.muigui-range input[type=range]::-webkit-slider-runnable-track { + -webkit-appearance: none; + appearance: none; + border: 1px solid var(--menu-sep-color); + height: 2px; +} + + +/* dat.gui style - doesn't work on Safari iOS */ + +/* +.muigui-range input[type=range] { + cursor: ew-resize; + overflow: hidden; +} + +.muigui-range input[type=range] { + -webkit-appearance: none; + appearance: none; + background-color: var(--range-right-color); + margin: 0; +} +.muigui-range input[type=range]:hover { + background-color: var(--range-right-hover-color); +} + +.muigui-range input[type=range]::-webkit-slider-runnable-track { + -webkit-appearance: none; + appearance: none; + height: max-content; + color: var(--range-left-color); + margin-top: -1px; +} + +.muigui-range input[type=range]::-webkit-slider-thumb { + -webkit-appearance: none; + appearance: none; + width: 0px; + height: max-content; + box-shadow: -1000px 0 0 1000px var(--range-left-color); +} +*/ + +/* FF */ +/* +.muigui-range input[type=range]::-moz-slider-progress { + background-color: var(--range-left-color); +} +.muigui-range input[type=range]::-moz-slider-thumb { + height: max-content; + width: 0; + border: none; + box-shadow: -1000px 0 0 1000px var(--range-left-color); + box-sizing: border-box; +} +*/ + +.muigui-checkered-background { + background-color: #404040; + background-image: + linear-gradient(45deg, #808080 25%, transparent 25%), + linear-gradient(-45deg, #808080 25%, transparent 25%), + linear-gradient(45deg, transparent 75%, #808080 75%), + linear-gradient(-45deg, transparent 75%, #808080 75%); + background-size: 16px 16px; + background-position: 0 0, 0 8px, 8px -8px, -8px 0px; +} + +/* ---------------------------------------------------------- */ + +/* needs to be at bottom to take precedence */ +.muigui-auto-place { + max-height: 100%; + position: fixed; + top: 0; + right: 15px; + z-index: 100001; +} + +`, + themes: { + default: '', + float: ` + :root { + color-scheme: light dark, + } + + .muigui { + --width: 400px; + --bg-color: initial; + --label-width: 25%; + --number-width: 20%; + } + + input, + .muigui-label-controller>label { + text-shadow: + -1px -1px 0 var(--contrast-color), + 1px -1px 0 var(--contrast-color), + -1px 1px 0 var(--contrast-color), + 1px 1px 0 var(--contrast-color); + } + + .muigui-controller > label:nth-child(1) { + place-content: center end; + margin-right: 1em; + } + + .muigui-value > :nth-child(2) { + margin-left: 1em; + } + + .muigui-root>*:nth-child(1) { + display: none; + } + + .muigui-range input[type=range]::-webkit-slider-thumb { + border-radius: 1em; + } + + .muigui-range input[type=range]::-webkit-slider-runnable-track { + -webkit-appearance: initial; + appearance: none; + border: 1px solid rgba(0, 0, 0, 0.25); + height: 2px; + } + + .muigui-colors { + --value-color: var(--color ); + --value-bg-color: rgba(0, 0, 0, 0.1); + --disabled-color: #cccccc; + --menu-bg-color: rgba(0, 0, 0, 0.1); + --menu-sep-color: #bbbbbb; + --hover-bg-color: rgba(0, 0, 0, 0); + --invalid-color: #FF0000; + --selected-color: rgba(0, 0, 0, 0.3); + --range-color: rgba(0, 0, 0, 0.125); + } +`, + }, + }; + + function setElemProps(elem, attrs, children) { + for (const [key, value] of Object.entries(attrs)) { + if (typeof value === 'function' && key.startsWith('on')) { + const eventName = key.substring(2).toLowerCase(); + elem.addEventListener(eventName, value, {passive: false}); + } else if (typeof value === 'object') { + for (const [k, v] of Object.entries(value)) { + elem[key][k] = v; + } + } else if (elem[key] === undefined) { + elem.setAttribute(key, value); + } else { + elem[key] = value; + } + } + for (const child of children) { + elem.appendChild(child); + } + return elem; + } + + function createElem(tag, attrs = {}, children = []) { + const elem = document.createElement(tag); + setElemProps(elem, attrs, children); + return elem; + } + + function addElem(tag, parent, attrs = {}, children = []) { + const elem = createElem(tag, attrs, children); + parent.appendChild(elem); + return elem; + } + + let nextId = 0; + function getNewId() { + return `muigui-id-${nextId++}`; + } + + function removeArrayElem(array, value) { + const ndx = array.indexOf(value); + if (ndx) { + array.splice(ndx, 1); + } + return array; + } + + /** + * Converts an camelCase or snake_case id to "camel case" or "snake case" + * @param {string} id + */ + const underscoreRE = /_/g; + const upperLowerRE = /([A-Z])([a-z])/g; + function idToLabel(id) { + return id.replace(underscoreRE, ' ') + .replace(upperLowerRE, (m, m1, m2) => `${m1.toLowerCase()} ${m2}`); + } + + function clamp$1(v, min, max) { + return Math.max(min, Math.min(max, v)); + } + + const isTypedArray = typeof SharedArrayBuffer !== 'undefined' + ? function isArrayBufferOrSharedArrayBuffer(a) { + return a && a.buffer && (a.buffer instanceof ArrayBuffer || a.buffer instanceof SharedArrayBuffer); + } + : function isArrayBuffer(a) { + return a && a.buffer && a.buffer instanceof ArrayBuffer; + }; + + const isArrayOrTypedArray = v => Array.isArray(v) || isTypedArray(v); + + // Yea, I know this should be `Math.round(v / step) * step + // but try step = 0.1, newV = 19.95 + // + // I get + // Math.round(19.95 / 0.1) * 0.1 + // 19.900000000000002 + // vs + // Math.round(19.95 / 0.1) / (1 / 0.1) + // 19.9 + // + const stepify = (v, from, step) => Math.round(from(v) / step) / (1 / step); + + const euclideanModulo$1 = (v, n) => ((v % n) + n) % n; + const lerp$1 = (a, b, t) => a + (b - a) * t; + function copyExistingProperties(dst, src) { + for (const key in src) { + if (key in dst) { + dst[key] = src[key]; + } + } + return dst; + } + + const mapRange = (v, inMin, inMax, outMin, outMax) => (v - inMin) * (outMax - outMin) / (inMax - inMin) + outMin; + + const makeRangeConverters = ({from, to}) => { + return { + to: v => mapRange(v, ...from, ...to), + from: v => [true, mapRange(v, ...to, ...from)], + }; + }; + + const makeRangeOptions = ({from, to, step}) => { + return { + min: to[0], + max: to[1], + ...(step && {step}), + converters: makeRangeConverters({from, to}), + }; + }; + + // TODO: remove an use one in conversions. Move makeRangeConverters there? + const identity$1 = { + to: v => v, + from: v => [true, v], + }; + function makeMinMaxPair(gui, properties, minPropName, maxPropName, options) { + const { converters: { from } = identity$1 } = options; + const { min, max } = options; + const guiMinRange = options.minRange || 0; + const valueMinRange = from(guiMinRange)[1]; + const minGui = gui + .add(properties, minPropName, { + ...options, + min, + max: max - guiMinRange, + }) + .onChange(v => { + maxGui.setValue(Math.min(max, Math.max(v + valueMinRange, properties[maxPropName]))); + }); + const maxGui = gui + .add(properties, maxPropName, { + ...options, + min: min + guiMinRange, + max, + }) + .onChange(v => { + minGui.setValue(Math.max(min, Math.min(v - valueMinRange, properties[minPropName]))); + }); + return [ minGui, maxGui ]; + } + + class View { + domElement; + #childDestElem; + #views = []; + constructor(elem) { + this.domElement = elem; + this.#childDestElem = elem; + } + addElem(elem) { + this.#childDestElem.appendChild(elem); + return elem; + } + removeElem(elem) { + this.#childDestElem.removeChild(elem); + return elem; + } + pushSubElem(elem) { + this.#childDestElem.appendChild(elem); + this.#childDestElem = elem; + } + popSubElem() { + this.#childDestElem = this.#childDestElem.parentElement; + } + add(view) { + this.#views.push(view); + this.addElem(view.domElement); + return view; + } + remove(view) { + this.removeElem(view.domElement); + removeArrayElem(this.#views, view); + return view; + } + pushSubView(view) { + this.pushSubElem(view.domElement); + } + popSubView() { + this.popSubElem(); + } + setOptions(options) { + for (const view of this.#views) { + view.setOptions(options); + } + } + updateDisplayIfNeeded(newV, ignoreCache) { + for (const view of this.#views) { + view.updateDisplayIfNeeded(newV, ignoreCache); + } + return this; + } + $(selector) { + return this.domElement.querySelector(selector); + } + } + + class Controller extends View { + #changeFns; + #finishChangeFns; + #parent; + + constructor(className) { + super(createElem('div', {className: 'muigui-controller'})); + this.#changeFns = []; + this.#finishChangeFns = []; + // we need the specialization to come last so it takes precedence. + if (className) { + this.domElement.classList.add(className); + } + } + get parent() { + return this.#parent; + } + setParent(parent) { + this.#parent = parent; + this.enable(!this.disabled()); + } + show(show = true) { + this.domElement.classList.toggle('muigui-hide', !show); + this.domElement.classList.toggle('muigui-show', show); + return this; + } + hide() { + return this.show(false); + } + disabled() { + return !!this.domElement.closest('.muigui-disabled'); + } + + enable(enable = true) { + this.domElement.classList.toggle('muigui-disabled', !enable); + + // If disabled we need to set the attribute 'disabled=true' to all + // input/select/button/textarea's below + // + // If enabled we need to set the attribute 'disabled=false' to all below + // until we hit a disabled controller. + // + // ATM the problem is we can find the input/select/button/textarea elements + // but we can't easily find which controller they belong do. + // But we don't need to? We can just check up if it or parent has + // '.muigui-disabled' + ['input', 'button', 'select', 'textarea'].forEach(tag => { + this.domElement.querySelectorAll(tag).forEach(elem => { + const disabled = !!elem.closest('.muigui-disabled'); + elem.disabled = disabled; + }); + }); + + return this; + } + disable(disable = true) { + return this.enable(!disable); + } + onChange(fn) { + this.removeChange(fn); + this.#changeFns.push(fn); + return this; + } + removeChange(fn) { + removeArrayElem(this.#changeFns, fn); + return this; + } + onFinishChange(fn) { + this.removeFinishChange(fn); + this.#finishChangeFns.push(fn); + return this; + } + removeFinishChange(fn) { + removeArrayElem(this.#finishChangeFns, fn); + return this; + } + #callListeners(fns, newV) { + for (const fn of fns) { + fn.call(this, newV); + } + } + emitChange(value, object, property) { + this.#callListeners(this.#changeFns, value); + if (this.#parent) { + if (object === undefined) { + this.#parent.emitChange(value); + } else { + this.#parent.emitChange({ + object, + property, + value, + controller: this, + }); + } + } + } + emitFinalChange(value, object, property) { + this.#callListeners(this.#finishChangeFns, value); + if (this.#parent) { + if (object === undefined) { + this.#parent.emitChange(value); + } else { + this.#parent.emitFinalChange({ + object, + property, + value, + controller: this, + }); + } + } + } + updateDisplay() { + // placeholder. override + } + getColors() { + const toCamelCase = s => s.replace(/-([a-z])/g, (m, m1) => m1.toUpperCase()); + const keys = [ + 'color', + 'bg-color', + 'value-color', + 'value-bg-color', + 'hover-bg-color', + 'menu-bg-color', + 'menu-sep-color', + 'disabled-color', + ]; + const div = createElem('div'); + this.domElement.appendChild(div); + const colors = Object.fromEntries(keys.map(key => { + div.style.color = `var(--${key})`; + const s = getComputedStyle(div); + return [toCamelCase(key), s.color]; + })); + div.remove(); + return colors; + } + } + + class Button extends Controller { + #object; + #property; + #buttonElem; + #options = { + name: '', + }; + + constructor(object, property, options = {}) { + super('muigui-button', ''); + this.#object = object; + this.#property = property; + + this.#buttonElem = this.addElem( + createElem('button', { + type: 'button', + onClick: () => { + this.#object[this.#property](this); + }, + })); + this.setOptions({name: property, ...options}); + } + setOptions(options) { + copyExistingProperties(this.#options, options); + const {name} = this.#options; + this.#buttonElem.textContent = name; + } + } + + function arraysEqual(a, b) { + if (a.length !== b.length) { + return false; + } + for (let i = 0; i < a.length; ++i) { + if (a[i] !== b[i]) { + return false; + } + } + return true; + } + + function copyArrayElementsFromTo(src, dst) { + dst.length = src.length; + for (let i = 0; i < src.length; ++i) { + dst[i] = src[i]; + } + } + + class EditView extends View { + #oldV; + #updateCheck; + + #checkArrayNeedsUpdate(newV) { + // It's an array, we need to compare all elements + // Example, vec2, [r,g,b], ... + const needUpdate = !arraysEqual(newV, this.#oldV); + if (needUpdate) { + copyArrayElementsFromTo(newV, this.#oldV); + } + return needUpdate; + } + + #checkTypedArrayNeedsUpdate() { + let once = true; + return function checkTypedArrayNeedsUpdateImpl(newV) { + // It's a typedarray, we need to compare all elements + // Example: Float32Array([r, g, b]) + let needUpdate = once; + once = false; + if (!needUpdate) { + needUpdate = !arraysEqual(newV, this.#oldV); + } + return needUpdate; + }; + } + + #checkObjectNeedsUpdate(newV) { + let needUpdate = false; + for (const key in newV) { + if (newV[key] !== this.#oldV[key]) { + needUpdate = true; + this.#oldV[key] = newV[key]; + } + } + return needUpdate; + } + + #checkValueNeedsUpdate(newV) { + const needUpdate = newV !== this.#oldV; + this.#oldV = newV; + return needUpdate; + } + + #getUpdateCheckForType(newV) { + if (Array.isArray(newV)) { + this.#oldV = []; + return this.#checkArrayNeedsUpdate.bind(this); + } else if (isTypedArray(newV)) { + this.#oldV = new newV.constructor(newV); + return this.#checkTypedArrayNeedsUpdate(this); + } else if (typeof newV === 'object') { + this.#oldV = {}; + return this.#checkObjectNeedsUpdate.bind(this); + } else { + return this.#checkValueNeedsUpdate.bind(this); + } + } + + // The point of this is updating DOM elements + // is slow but if we've called `listen` then + // every frame we're going to try to update + // things with the current value so if nothing + // has changed then skip it. + updateDisplayIfNeeded(newV, ignoreCache) { + this.#updateCheck = this.#updateCheck || this.#getUpdateCheckForType(newV); + // Note: We call #updateCheck first because it updates + // the cache + if (this.#updateCheck(newV) || ignoreCache) { + this.updateDisplay(newV); + } + } + setOptions(/*options*/) { + // override this + return this; + } + } + + class CheckboxView extends EditView { + #checkboxElem; + constructor(setter, id) { + const checkboxElem = createElem('input', { + type: 'checkbox', + id, + onInput: () => { + setter.setValue(checkboxElem.checked); + }, + onChange: () => { + setter.setFinalValue(checkboxElem.checked); + }, + }); + super(createElem('label', {}, [checkboxElem])); + this.#checkboxElem = checkboxElem; + } + updateDisplay(v) { + this.#checkboxElem.checked = v; + } + } + + const tasks = []; + const tasksToRemove = new Set(); + + let requestId; + let processing; + + function removeTasks() { + if (!tasksToRemove.size) { + return; + } + + if (processing) { + queueProcessing(); + return; + } + + tasksToRemove.forEach(task => { + removeArrayElem(tasks, task); + }); + tasksToRemove.clear(); + } + + function processTasks() { + requestId = undefined; + processing = true; + for (const task of tasks) { + if (!tasksToRemove.has(task)) { + task(); + } + } + processing = false; + removeTasks(); + queueProcessing(); + } + + function queueProcessing() { + if (!requestId && tasks.length) { + requestId = requestAnimationFrame(processTasks); + } + } + + function addTask(fn) { + tasks.push(fn); + queueProcessing(); + } + + function removeTask(fn) { + tasksToRemove.set(fn); + + const ndx = tasks.indexOf(fn); + if (ndx >= 0) { + tasks.splice(ndx, 1); + } + } + + let id = 0; + + function makeId() { + return `muigui-${++id}`; + } + + class ValueView extends View { + constructor(className = '') { + super(createElem('div', {className: 'muigui-value'})); + if (className) { + this.domElement.classList.add(className); + } + } + } + + class LabelController extends Controller { + #id; + #nameElem; + + constructor(className = '', name = '') { + super('muigui-label-controller'); + this.#id = makeId(); + this.#nameElem = createElem('label', {for: this.#id}); + this.domElement.appendChild(this.#nameElem); + this.pushSubView(new ValueView(className)); + this.name(name); + } + get id() { + return this.#id; + } + name(name) { + if (this.#nameElem.title === this.#nameElem.textContent) { + this.#nameElem.title = name; + } + this.#nameElem.textContent = name; + return this; + } + tooltip(tip) { + this.#nameElem.title = tip; + } + } + + class ValueController extends LabelController { + #object; + #property; + #initialValue; + #listening; + #views; + #updateFn; + + constructor(object, property, className = '') { + super(className, property); + this.#object = object; + this.#property = property; + this.#initialValue = this.getValue(); + this.#listening = false; + this.#views = []; + } + get initialValue() { + return this.#initialValue; + } + get object() { + return this.#object; + } + get property() { + return this.#property; + } + add(view) { + this.#views.push(view); + super.add(view); + this.updateDisplay(); + return view; + } + #setValueImpl(v, ignoreCache) { + let isDifferent = false; + if (typeof v === 'object') { + const dst = this.#object[this.#property]; + // don't replace objects, just their values. + if (Array.isArray(v) || isTypedArray(v)) { + for (let i = 0; i < v.length; ++i) { + isDifferent ||= dst[i] !== v[i]; + dst[i] = v[i]; + } + } else { + for (const key of Object.keys(v)) { + isDifferent ||= dst[key] !== v[key]; + } + Object.assign(dst, v); + } + } else { + isDifferent = this.#object[this.#property] !== v; + this.#object[this.#property] = v; + } + this.updateDisplay(ignoreCache); + if (isDifferent) { + this.emitChange(this.getValue(), this.#object, this.#property); + } + return isDifferent; + } + setValue(v) { + this.#setValueImpl(v); + } + setFinalValue(v) { + const isDifferent = this.#setValueImpl(v, true); + if (isDifferent) { + this.emitFinalChange(this.getValue(), this.#object, this.#property); + } + return this; + } + updateDisplay(ignoreCache) { + const newV = this.getValue(); + for (const view of this.#views) { + view.updateDisplayIfNeeded(newV, ignoreCache); + } + return this; + } + setOptions(options) { + for (const view of this.#views) { + view.setOptions(options); + } + this.updateDisplay(); + return this; + } + getValue() { + return this.#object[this.#property]; + } + value(v) { + this.setValue(v); + return this; + } + reset() { + this.setValue(this.#initialValue); + return this; + } + listen(listen = true) { + if (!this.#updateFn) { + this.#updateFn = this.updateDisplay.bind(this); + } + if (listen) { + if (!this.#listening) { + this.#listening = true; + addTask(this.#updateFn); + } + } else { + if (this.#listening) { + this.#listening = false; + removeTask(this.#updateFn); + } + } + return this; + } + } + + class Checkbox extends ValueController { + constructor(object, property) { + super(object, property, 'muigui-checkbox'); + const id = this.id; + this.add(new CheckboxView(this, id)); + this.updateDisplay(); + } + } + + const identity = { + to: v => v, + from: v => [true, v], + }; + + // from: from string to value + // to: from value to string + const strToNumber = { + to: v => v.toString(), + from: v => { + const newV = parseFloat(v); + return [!Number.isNaN(newV), newV]; + }, + }; + + const converters = { + radToDeg: makeRangeConverters({to: [0, 180], from: [0, Math.PI]}), + }; + + function createWheelHelper() { + let wheelAccum = 0; + return function (e, step, wheelScale = 5) { + wheelAccum -= e.deltaY * step / wheelScale; + const wheelSteps = Math.floor(Math.abs(wheelAccum) / step) * Math.sign(wheelAccum); + const delta = wheelSteps * step; + wheelAccum -= delta; + return delta; + }; + } + + class NumberView extends EditView { + #to; + #from; + #step; + #skipUpdate; + #options = { + step: 0.01, + converters: strToNumber, + min: Number.NEGATIVE_INFINITY, + max: Number.POSITIVE_INFINITY, + }; + + constructor(setter, options) { + const setValue = setter.setValue.bind(setter); + const setFinalValue = setter.setFinalValue.bind(setter); + const wheelHelper = createWheelHelper(); + super(createElem('input', { + type: 'number', + onInput: () => this.#handleInput(setValue, true), + onChange: () => this.#handleInput(setFinalValue, false), + onWheel: e => { + e.preventDefault(); + const {min, max, step} = this.#options; + const delta = wheelHelper(e, step); + const v = parseFloat(this.domElement.value); + const newV = clamp$1(stepify(v + delta, v => v, step), min, max); + setter.setValue(newV); + }, + })); + this.setOptions(options); + } + #handleInput(setFn, skipUpdate) { + const v = parseFloat(this.domElement.value); + const [valid, newV] = this.#from(v); + let inRange; + if (valid && !Number.isNaN(v)) { + const {min, max} = this.#options; + inRange = newV >= min && newV <= max; + this.#skipUpdate = skipUpdate; + setFn(clamp$1(newV, min, max)); + } + this.domElement.classList.toggle('muigui-invalid-value', !valid || !inRange); + } + updateDisplay(v) { + if (!this.#skipUpdate) { + this.domElement.value = stepify(v, this.#to, this.#step); + } + this.#skipUpdate = false; + } + setOptions(options) { + copyExistingProperties(this.#options, options); + const { + step, + converters: {to, from}, + } = this.#options; + this.#to = to; + this.#from = from; + this.#step = step; + return this; + } + } + + // Wanted to name this `Number` but it conflicts with + // JavaScript `Number`. It most likely wouldn't be + // an issue? But users might `import {Number} ...` and + // things would break. + class TextNumber extends ValueController { + #textView; + #step; + + constructor(object, property, options = {}) { + super(object, property, 'muigui-checkbox'); + this.#textView = this.add(new NumberView(this, options)); + this.updateDisplay(); + } + } + + class SelectView extends EditView { + #values; + + constructor(setter, keyValues) { + const values = []; + super(createElem('select', { + onChange: () => { + setter.setFinalValue(this.#values[this.domElement.selectedIndex]); + }, + }, keyValues.map(([key, value]) => { + values.push(value); + return createElem('option', {textContent: key}); + }))); + this.#values = values; + } + updateDisplay(v) { + const ndx = this.#values.indexOf(v); + this.domElement.selectedIndex = ndx; + } + } + + // 4 cases + // (a) keyValues is array of arrays, each sub array is key value + // (b) keyValues is array and value is number then keys = array contents, value = index + // (c) keyValues is array and value is not number, key = array contents, value = array contents + // (d) keyValues is object then key->value + function convertToKeyValues(keyValues, valueIsNumber) { + if (Array.isArray(keyValues)) { + if (Array.isArray(keyValues[0])) { + // (a) keyValues is array of arrays, each sub array is key value + return keyValues; + } else { + if (valueIsNumber) { + // (b) keyValues is array and value is number then keys = array contents, value = index + return keyValues.map((v, ndx) => [v, ndx]); + } else { + // (c) keyValues is array and value is not number, key = array contents, value = array contents + return keyValues.map(v => [v, v]); + } + } + } else { + // (d) + return [...Object.entries(keyValues)]; + } + } + + class Select extends ValueController { + constructor(object, property, options) { + super(object, property, 'muigui-select'); + const valueIsNumber = typeof this.getValue() === 'number'; + const {keyValues: keyValuesInput} = options; + const keyValues = convertToKeyValues(keyValuesInput, valueIsNumber); + this.add(new SelectView(this, keyValues)); + this.updateDisplay(); + } + } + + class RangeView extends EditView { + #to; + #from; + #step; + #skipUpdate; + #options = { + step: 0.01, + min: 0, + max: 1, + converters: identity, + }; + + constructor(setter, options) { + const wheelHelper = createWheelHelper(); + super(createElem('input', { + type: 'range', + onInput: () => { + this.#skipUpdate = true; + const {min, max, step} = this.#options; + const v = parseFloat(this.domElement.value); + const newV = clamp$1(stepify(v, v => v, step), min, max); + const [valid, validV] = this.#from(newV); + if (valid) { + setter.setValue(validV); + } + }, + onChange: () => { + this.#skipUpdate = true; + const {min, max, step} = this.#options; + const v = parseFloat(this.domElement.value); + const newV = clamp$1(stepify(v, v => v, step), min, max); + const [valid, validV] = this.#from(newV); + if (valid) { + setter.setFinalValue(validV); + } + }, + onWheel: e => { + e.preventDefault(); + const [valid, v] = this.#from(parseFloat(this.domElement.value)); + if (!valid) { + return; + } + const {min, max, step} = this.#options; + const delta = wheelHelper(e, step); + const newV = clamp$1(stepify(v + delta, v => v, step), min, max); + setter.setValue(newV); + }, + })); + this.setOptions(options); + } + updateDisplay(v) { + if (!this.#skipUpdate) { + this.domElement.value = stepify(v, this.#to, this.#step); + } + this.#skipUpdate = false; + } + setOptions(options) { + copyExistingProperties(this.#options, options); + const { + step, + min, + max, + converters: {to, from}, + } = this.#options; + this.#to = to; + this.#from = from; + this.#step = step; + this.domElement.step = step; + this.domElement.min = min; + this.domElement.max = max; + return this; + } + } + + class Range extends ValueController { + constructor(object, property, options) { + super(object, property, 'muigui-range'); + this.add(new RangeView(this, options)); + this.add(new NumberView(this, options)); + } + } + + class TextView extends EditView { + #to; + #from; + #skipUpdate; + #options = { + converters: identity, + }; + + constructor(setter, options) { + const setValue = setter.setValue.bind(setter); + const setFinalValue = setter.setFinalValue.bind(setter); + super(createElem('input', { + type: 'text', + onInput: () => this.#handleInput(setValue, true), + onChange: () => this.#handleInput(setFinalValue, false), + })); + this.setOptions(options); + } + #handleInput(setFn, skipUpdate) { + const [valid, newV] = this.#from(this.domElement.value); + if (valid) { + this.#skipUpdate = skipUpdate; + setFn(newV); + } + this.domElement.style.color = valid ? '' : 'var(--invalid-color)'; + + } + updateDisplay(v) { + if (!this.#skipUpdate) { + this.domElement.value = this.#to(v); + this.domElement.style.color = ''; + } + this.#skipUpdate = false; + } + setOptions(options) { + copyExistingProperties(this.#options, options); + const { + converters: {to, from}, + } = this.#options; + this.#to = to; + this.#from = from; + return this; + } + } + + class Text extends ValueController { + constructor(object, property) { + super(object, property, 'muigui-checkbox'); + this.add(new TextView(this)); + this.updateDisplay(); + } + } + + // const isConversion = o => typeof o.to === 'function' && typeof o.from === 'function'; + + /** + * possible inputs + * add(o, p, min: number, max: number) + * add(o, p, min: number, max: number, step: number) + * add(o, p, array: [value]) + * add(o, p, array: [[key, value]]) + * + * @param {*} object + * @param {string} property + * @param {...any} args + * @returns {Controller} + */ + function createController(object, property, ...args) { + const [arg1] = args; + if (Array.isArray(arg1)) { + return new Select(object, property, {keyValues: arg1}); + } + + const t = typeof object[property]; + switch (t) { + case 'number': + if (typeof args[0] === 'number' && typeof args[1] === 'number') { + const min = args[0]; + const max = args[1]; + const step = args[2]; + return new Range(object, property, {min, max, ...(step && {step})}); + } + return args.length === 0 + ? new TextNumber(object, property, ...args) + : new Range(object, property, ...args); + case 'boolean': + return new Checkbox(object, property, ...args); + case 'function': + return new Button(object, property, ...args); + case 'string': + return new Text(object, property, ...args); + case 'undefined': + throw new Error(`no property named ${property}`); + default: + throw new Error(`unhandled type ${t} for property ${property}`); + } + } + + const clamp = (v, min, max) => Math.max(min, Math.min(max, v)); + const lerp = (a, b, t) => a + (b - a) * t; + const fract = v => v >= 0 ? v % 1 : 1 - (v % 1); + + const f0 = v => +v.toFixed(0); // converts to string (eg 1.2 => "1"), then converts back to number (eg, "1.200" => 1.2) + const f3 = v => +v.toFixed(3); // converts to string (eg 1.2 => "1.200"), then converts back to number (eg, "1.200" => 1.2) + + const hexToUint32RGB = v => (parseInt(v.substring(1, 3), 16) << 16) | + (parseInt(v.substring(3, 5), 16) << 8 ) | + (parseInt(v.substring(5, 7), 16) ); + const uint32RGBToHex = v => `#${(Math.round(v)).toString(16).padStart(6, '0')}`; + const hexToUint32RGBA = v => (parseInt(v.substring(1, 3), 16) * 2 ** 24) + + (parseInt(v.substring(3, 5), 16) * 2 ** 16) + + (parseInt(v.substring(5, 7), 16) * 2 ** 8) + + (parseInt(v.substring(7, 9), 16) ); + const uint32RGBAToHex = v => `#${(Math.round(v)).toString(16).padStart(8, '0')}`; + + const hexToUint8RGB = v => [ + parseInt(v.substring(1, 3), 16), + parseInt(v.substring(3, 5), 16), + parseInt(v.substring(5, 7), 16), + ]; + const uint8RGBToHex = v => `#${Array.from(v).map(v => v.toString(16).padStart(2, '0')).join('')}`; + + const hexToUint8RGBA = v => [ + parseInt(v.substring(1, 3), 16), + parseInt(v.substring(3, 5), 16), + parseInt(v.substring(5, 7), 16), + parseInt(v.substring(7, 9), 16), + ]; + const uint8RGBAToHex = v => `#${Array.from(v).map(v => v.toString(16).padStart(2, '0')).join('')}`; + + const hexToFloatRGB = v => hexToUint8RGB(v).map(v => f3(v / 255)); + const floatRGBToHex = v => uint8RGBToHex(Array.from(v).map(v => Math.round(clamp(v * 255, 0, 255)))); + + const hexToFloatRGBA = v => hexToUint8RGBA(v).map(v => f3(v / 255)); + const floatRGBAToHex = v => uint8RGBAToHex(Array.from(v).map(v => Math.round(clamp(v * 255, 0, 255)))); + + const scaleAndClamp = v => clamp(Math.round(v * 255), 0, 255).toString(16).padStart(2, '0'); + + const hexToObjectRGB = v => ({ + r: parseInt(v.substring(1, 3), 16) / 255, + g: parseInt(v.substring(3, 5), 16) / 255, + b: parseInt(v.substring(5, 7), 16) / 255, + }); + const objectRGBToHex = v => `#${scaleAndClamp(v.r)}${scaleAndClamp(v.g)}${scaleAndClamp(v.b)}`; + const hexToObjectRGBA = v => ({ + r: parseInt(v.substring(1, 3), 16) / 255, + g: parseInt(v.substring(3, 5), 16) / 255, + b: parseInt(v.substring(5, 7), 16) / 255, + a: parseInt(v.substring(7, 9), 16) / 255, + }); + const objectRGBAToHex = v => `#${scaleAndClamp(v.r)}${scaleAndClamp(v.g)}${scaleAndClamp(v.b)}${scaleAndClamp(v.a)}`; + + const hexToCssRGB = v => `rgb(${hexToUint8RGB(v).join(', ')})`; + const cssRGBRegex = /^\s*rgb\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)\s*$/; + const cssRGBToHex = v => { + const m = cssRGBRegex.exec(v); + return uint8RGBToHex([m[1], m[2], m[3]].map(v => parseInt(v))); + }; + const hexToCssRGBA = v => `rgba(${hexToUint8RGBA(v).map((v, i) => i === 3 ? v / 255 : v).join(', ')})`; + const cssRGBARegex = /^\s*rgba\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+\.\d+|\d+)\s*\)\s*$/; + const cssRGBAToHex = v => { + const m = cssRGBARegex.exec(v); + return uint8RGBAToHex([m[1], m[2], m[3], m[4]].map((v, i) => i === 3 ? (parseFloat(v) * 255 | 0) : parseInt(v))); + }; + + const hexToCssHSL = v => { + const hsl = rgbUint8ToHsl(hexToUint8RGB(v)).map(v => f0(v)); + return `hsl(${hsl[0]}, ${hsl[1]}%, ${hsl[2]}%)`; + }; + const hexToCssHSLA = v => { + const hsla = rgbaUint8ToHsla(hexToUint8RGBA(v)).map((v, i) => i === 3 ? f3(v) : f0(v)); + return `hsl(${hsla[0]} ${hsla[1]}% ${hsla[2]}% / ${hsla[3]})`; + }; + const cssHSLRegex = /^\s*hsl\(\s*(\d+)(?:deg|)\s*(?:,|)\s*(\d+)%\s*(?:,|)\s*(\d+)%\s*\)\s*$/; + const cssHSLARegex = /^\s*hsl\(\s*(\d+)(?:deg|)\s*(?:,|)\s*(\d+)%\s*(?:,|)\s*(\d+)%\s*\/\s*(\d+\.\d+|\d+)\s*\)\s*$/; + + const hex3DigitTo6Digit = v => `${v[0]}${v[0]}${v[1]}${v[1]}${v[2]}${v[2]}`; + const cssHSLToHex = v => { + const m = cssHSLRegex.exec(v); + const rgb = hslToRgbUint8([m[1], m[2], m[3]].map(v => parseFloat(v))); + return uint8RGBToHex(rgb); + }; + const cssHSLAToHex = v => { + const m = cssHSLARegex.exec(v); + const rgba = hslaToRgbaUint8([m[1], m[2], m[3], m[4]].map(v => parseFloat(v))); + return uint8RGBAToHex(rgba); + }; + + const euclideanModulo = (v, n) => ((v % n) + n) % n; + + function hslToRgbUint8([h, s, l]) { + h = euclideanModulo(h, 360); + s = clamp(s / 100, 0, 1); + l = clamp(l / 100, 0, 1); + + const a = s * Math.min(l, 1 - l); + + function f(n) { + const k = (n + h / 30) % 12; + return l - a * Math.max(-1, Math.min(k - 3, 9 - k, 1)); + } + + return [f(0), f(8), f(4)].map(v => Math.round(v * 255)); + } + + function hslaToRgbaUint8([h, s, l, a]) { + const rgb = hslToRgbUint8([h, s, l]); + return [...rgb, a * 255 | 0]; + } + + function rgbFloatToHsl01([r, g, b]) { + const max = Math.max(r, g, b); + const min = Math.min(r, g, b); + const l = (min + max) * 0.5; + const d = max - min; + let h = 0; + let s = 0; + + if (d !== 0) { + s = (l === 0 || l === 1) + ? 0 + : (max - l) / Math.min(l, 1 - l); + + switch (max) { + case r: h = (g - b) / d + (g < b ? 6 : 0); break; + case g: h = (b - r) / d + 2; break; + case b: h = (r - g) / d + 4; + } + } + + return [h / 6, s, l]; + } + + function rgbaFloatToHsla01([r, g, b, a]) { + const hsl = rgbFloatToHsl01([r, g, b]); + return [...hsl, a]; + } + + const rgbUint8ToHsl = (rgb) => { + const [h, s, l] = rgbFloatToHsl01(rgb.map(v => v / 255)); + return [h * 360, s * 100, l * 100]; + }; + + const rgbaUint8ToHsla = (rgba) => { + const [h, s, l, a] = rgbaFloatToHsla01(rgba.map(v => v / 255)); + return [h * 360, s * 100, l * 100, a]; + }; + + function hsv01ToRGBFloat([hue, sat, val]) { + sat = clamp(sat, 0, 1); + val = clamp(val, 0, 1); + return [hue, hue + 2 / 3, hue + 1 / 3].map( + v => lerp(1, clamp(Math.abs(fract(v) * 6 - 3.0) - 1, 0, 1), sat) * val + ); + } + + function hsva01ToRGBAFloat([hue, sat, val, alpha]) { + const rgb = hsv01ToRGBFloat([hue, sat, val]); + return [...rgb, alpha]; + } + + const round3 = v => Math.round(v * 1000) / 1000; + + function rgbFloatToHSV01([r, g, b]) { + const p = b > g + ? [b, g, -1, 2 / 3] + : [g, b, 0, -1 / 3]; + const q = p[0] > r + ? [p[0], p[1], p[3], r] + : [r, p[1], p[2], p[0]]; + const d = q[0] - Math.min(q[3], q[1]); + return [ + Math.abs(q[2] + (q[3] - q[1]) / (6 * d + Number.EPSILON)), + d / (q[0] + Number.EPSILON), + q[0], + ].map(round3); + } + + function rgbaFloatToHSVA01([r, g, b, a]) { + const hsv = rgbFloatToHSV01([r, g, b]); + return [...hsv, a]; + } + + // window.hsv01ToRGBFloat = hsv01ToRGBFloat; + // window.rgbFloatToHSV01 = rgbFloatToHSV01; + + // Yea, meh! + const hasAlpha = format => format.endsWith('a') || format.startsWith('hex8'); + + const cssStringFormats = [ + { re: /^#(?:[0-9a-f]){6}$/i, format: 'hex6' }, + { re: /^(?:[0-9a-f]){6}$/i, format: 'hex6-no-hash' }, + { re: /^#(?:[0-9a-f]){8}$/i, format: 'hex8' }, + { re: /^(?:[0-9a-f]){8}$/i, format: 'hex8-no-hash' }, + { re: /^#(?:[0-9a-f]){3}$/i, format: 'hex3' }, + { re: /^(?:[0-9a-f]){3}$/i, format: 'hex3-no-hash' }, + { re: cssRGBRegex, format: 'css-rgb' }, + { re: cssHSLRegex, format: 'css-hsl' }, + { re: cssRGBARegex, format: 'css-rgba' }, + { re: cssHSLARegex, format: 'css-hsla' }, + ]; + + function guessStringColorFormat(v) { + for (const formatInfo of cssStringFormats) { + if (formatInfo.re.test(v)) { + return formatInfo; + } + } + return undefined; + } + + function guessFormat(v) { + switch (typeof v) { + case 'number': + console.warn('can not reliably guess format based on a number. You should pass in a format like {format: "uint32-rgb"} or {format: "uint32-rgb"}'); + return v <= 0xFFFFFF ? 'uint32-rgb' : 'uint32-rgba'; + case 'string': { + const formatInfo = guessStringColorFormat(v.trim()); + if (formatInfo) { + return formatInfo.format; + } + break; + } + case 'object': + if (v instanceof Uint8Array || v instanceof Uint8ClampedArray) { + if (v.length === 3) { + return 'uint8-rgb'; + } else if (v.length === 4) { + return 'uint8-rgba'; + } + } else if (v instanceof Float32Array) { + if (v.length === 3) { + return 'float-rgb'; + } else if (v.length === 4) { + return 'float-rgba'; + } + } else if (Array.isArray(v)) { + if (v.length === 3) { + return 'float-rgb'; + } else if (v.length === 4) { + return 'float-rgba'; + } + } else { + if ('r' in v && 'g' in v && 'b' in v) { + if ('a' in v) { + return 'object-rgba'; + } else { + return 'object-rgb'; + } + } + } + } + throw new Error(`unknown color format: ${v}`); + } + + function fixHex6(v) { + return v.trim(v); + //const formatInfo = guessStringColorFormat(v.trim()); + //const fix = formatInfo ? formatInfo.fix : v => v; + //return fix(v.trim()); + } + + function fixHex8(v) { + return v.trim(v); + //const formatInfo = guessStringColorFormat(v.trim()); + //const fix = formatInfo ? formatInfo.fix : v => v; + //return fix(v.trim()); + } + + function hex6ToHex3(hex6) { + return (hex6[1] === hex6[2] && + hex6[3] === hex6[4] && + hex6[5] === hex6[6]) + ? `#${hex6[1]}${hex6[3]}${hex6[5]}` + : hex6; + } + + const hex3RE = /^(#|)([0-9a-f]{3})$/i; + function hex3ToHex6(hex3) { + const m = hex3RE.exec(hex3); + if (m) { + const [, , m2] = m; + return `#${hex3DigitTo6Digit(m2)}`; + } + return hex3; + } + + function fixHex3(v) { + return hex6ToHex3(fixHex6(v)); + } + + const strToRGBObject = (s) => { + try { + const json = s.replace(/([a-z])/g, '"$1"'); + const rgb = JSON.parse(json); + if (Number.isNaN(rgb.r) || Number.isNaN(rgb.g) || Number.isNaN(rgb.b)) { + throw new Error('not {r, g, b}'); + } + return [true, rgb]; + } catch (e) { + return [false]; + } + }; + + const strToRGBAObject = (s) => { + try { + const json = s.replace(/([a-z])/g, '"$1"'); + const rgba = JSON.parse(json); + if (Number.isNaN(rgba.r) || Number.isNaN(rgba.g) || Number.isNaN(rgba.b) || Number.isNaN(rgba.a)) { + throw new Error('not {r, g, b, a}'); + } + return [true, rgba]; + } catch (e) { + return [false]; + } + }; + + const strToCssRGB = s => { + const m = cssRGBRegex.exec(s); + if (!m) { + return [false]; + } + const v = [m[1], m[2], m[3]].map(v => parseInt(v)); + const outOfRange = v.find(v => v > 255); + return [!outOfRange, `rgb(${v.join(', ')})`]; + }; + + const strToCssRGBA = s => { + const m = cssRGBARegex.exec(s); + if (!m) { + return [false]; + } + const v = [m[1], m[2], m[3], m[4]].map((v, i) => i === 3 ? parseFloat(v) : parseInt(v)); + const outOfRange = v.find(v => v > 255); + return [!outOfRange, `rgba(${v.join(', ')})`]; + }; + + const strToCssHSL = s => { + const m = cssHSLRegex.exec(s); + if (!m) { + return [false]; + } + const v = [m[1], m[2], m[3]].map(v => parseFloat(v)); + const outOfRange = v.find(v => Number.isNaN(v)); + return [!outOfRange, `hsl(${v[0]}, ${v[1]}%, ${v[2]}%)`]; + }; + + const strToCssHSLA = s => { + const m = cssHSLARegex.exec(s); + if (!m) { + return [false]; + } + const v = [m[1], m[2], m[3], m[4]].map(v => parseFloat(v)); + const outOfRange = v.find(v => Number.isNaN(v)); + return [!outOfRange, `hsl(${v[0]} ${v[1]}% ${v[2]}% / ${v[3]})`]; + }; + + const rgbObjectToStr = rgb => { + return `{r:${f3(rgb.r)}, g:${f3(rgb.g)}, b:${f3(rgb.b)}}`; + }; + const rgbaObjectToStr = rgba => { + return `{r:${f3(rgba.r)}, g:${f3(rgba.g)}, b:${f3(rgba.b)}}, a:${f3(rgba.a)}}`; + }; + + const strTo3IntsRE = /^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*$/; + const strTo3Ints = s => { + const m = strTo3IntsRE.exec(s); + if (!m) { + return [false]; + } + const v = [m[1], m[2], m[3]].map(v => parseInt(v)); + const outOfRange = v.find(v => v > 255); + return [!outOfRange, v]; + }; + + const strTo4IntsRE = /^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*$/; + const strTo4Ints = s => { + const m = strTo4IntsRE.exec(s); + if (!m) { + return [false]; + } + const v = [m[1], m[2], m[3], m[4]].map(v => parseInt(v)); + const outOfRange = v.find(v => v > 255); + return [!outOfRange, v]; + }; + + const strTo3Floats = s => { + const numbers = s.split(',').map(s => s.trim()); + const v = numbers.map(v => parseFloat(v)); + if (v.length !== 3) { + return [false]; + } + // Note: using isNaN not Number.isNaN + const badNdx = numbers.findIndex(v => isNaN(v)); + return [badNdx < 0, v.map(v => f3(v))]; + }; + + const strTo4Floats = s => { + const numbers = s.split(',').map(s => s.trim()); + const v = numbers.map(v => parseFloat(v)); + if (v.length !== 4) { + return [false]; + } + // Note: using isNaN not Number.isNaN + const badNdx = numbers.findIndex(v => isNaN(v)); + return [badNdx < 0, v.map(v => f3(v))]; + }; + + const strToUint32RGBRegex = /^\s*(?:0x){0,1}([0-9a-z]{1,6})\s*$/i; + const strToUint32RGB = s => { + const m = strToUint32RGBRegex.exec(s); + if (!m) { + return [false]; + } + return [true, parseInt(m[1], 16)]; + }; + + const strToUint32RGBARegex = /^\s*(?:0x){0,1}([0-9a-z]{1,8})\s*$/i; + const strToUint32RGBA = s => { + const m = strToUint32RGBARegex.exec(s); + if (!m) { + return [false]; + } + return [true, parseInt(m[1], 16)]; + }; + + const hex6RE = /^\s*#[a-f0-9]{6}\s*$|^\s*#[a-f0-9]{3}\s*$/i; + const hexNoHash6RE = /^\s*[a-f0-9]{6}\s*$/i; + const hex8RE = /^\s*#[a-f0-9]{8}\s*$/i; + const hexNoHash8RE = /^\s*[a-f0-9]{8}\s*$/i; + + // For each format converter + // + // fromHex/toHex convert from/to '#RRGGBB' + // + // fromHex converts from the string '#RRBBGG' to the format + // (eg: for uint32-rgb, '#123456' becomes 0x123456) + // + // toHex converts from the format to '#RRGGBB' + // (eg: for uint8-rgb, [16, 33, 50] becomes '#102132') + // + // + // fromStr/toStr convert from/to what's in the input[type=text] element + // + // toStr converts from the format to its string representation + // (eg, for object-rgb, {r: 1, g: 0.5, b:0} becomes "{r: 1, g: 0.5, b:0}") + // ^object ^string + // + // fromStr converts its string representation to its format + // (eg, for object-rgb) "{r: 1, g: 0.5, b:0}" becomes {r: 1, g: 0.5, b:0}) + // ^string ^object + // fromString returns an array which is [valid, v] + // where valid is true if the string was a valid and v is the converted + // format if v is true. + // + // Note: toStr should convert to "ideal" form (whatever that is). + // (eg, for css-rgb + // "{ r: 0.10000, g: 001, b: 0}" becomes "{r: 0.1, g: 1, b: 0}" + // notice that css-rgb is a string to a string + // ) + const colorFormatConverters = { + 'hex6': { + color: { + from: v => [true, v], + to: fixHex6, + }, + text: { + from: v => [hex6RE.test(v), v.trim()], + to: v => v, + }, + }, + 'hex8': { + color: { + from: v => [true, v], + to: fixHex8, + }, + text: { + from: v => [hex8RE.test(v), v.trim()], + to: v => v, + }, + }, + 'hex3': { + color: { + from: v => [true, fixHex3(v)], + to: hex3ToHex6, + }, + text: { + from: v => [hex6RE.test(v), hex6ToHex3(v.trim())], + to: v => v, + }, + }, + 'hex6-no-hash': { + color: { + from: v => [true, v.substring(1)], + to: v => `#${fixHex6(v)}`, + }, + text: { + from: v => [hexNoHash6RE.test(v), v.trim()], + to: v => v, + }, + }, + 'hex8-no-hash': { + color: { + from: v => [true, v.substring(1)], + to: v => `#${fixHex8(v)}`, + }, + text: { + from: v => [hexNoHash8RE.test(v), v.trim()], + to: v => v, + }, + }, + 'hex3-no-hash': { + color: { + from: v => [true, fixHex3(v).substring(1)], + to: hex3ToHex6, + }, + text: { + from: v => [hexNoHash6RE.test(v), hex6ToHex3(v.trim())], + to: v => v, + }, + }, + 'uint32-rgb': { + color: { + from: v => [true, hexToUint32RGB(v)], + to: uint32RGBToHex, + }, + text: { + from: v => strToUint32RGB(v), + to: v => `0x${v.toString(16).padStart(6, '0')}`, + }, + }, + 'uint32-rgba': { + color: { + from: v => [true, hexToUint32RGBA(v)], + to: uint32RGBAToHex, + }, + text: { + from: v => strToUint32RGBA(v), + to: v => `0x${v.toString(16).padStart(8, '0')}`, + }, + }, + 'uint8-rgb': { + color: { + from: v => [true, hexToUint8RGB(v)], + to: uint8RGBToHex, + }, + text: { + from: strTo3Ints, + to: v => v.join(', '), + }, + }, + 'uint8-rgba': { + color: { + from: v => [true, hexToUint8RGBA(v)], + to: uint8RGBAToHex, + }, + text: { + from: strTo4Ints, + to: v => v.join(', '), + }, + }, + 'float-rgb': { + color: { + from: v => [true, hexToFloatRGB(v)], + to: floatRGBToHex, + }, + text: { + from: strTo3Floats, + // need Array.from because map of Float32Array makes a Float32Array + to: v => Array.from(v).map(v => f3(v)).join(', '), + }, + }, + 'float-rgba': { + color: { + from: v => [true, hexToFloatRGBA(v)], + to: floatRGBAToHex, + }, + text: { + from: strTo4Floats, + // need Array.from because map of Float32Array makes a Float32Array + to: v => Array.from(v).map(v => f3(v)).join(', '), + }, + }, + 'object-rgb': { + color: { + from: v => [true, hexToObjectRGB(v)], + to: objectRGBToHex, + }, + text: { + from: strToRGBObject, + to: rgbObjectToStr, + }, + }, + 'object-rgba': { + color: { + from: v => [true, hexToObjectRGBA(v)], + to: objectRGBAToHex, + }, + text: { + from: strToRGBAObject, + to: rgbaObjectToStr, + }, + }, + 'css-rgb': { + color: { + from: v => [true, hexToCssRGB(v)], + to: cssRGBToHex, + }, + text: { + from: strToCssRGB, + to: v => strToCssRGB(v)[1], + }, + }, + 'css-rgba': { + color: { + from: v => [true, hexToCssRGBA(v)], + to: cssRGBAToHex, + }, + text: { + from: strToCssRGBA, + to: v => strToCssRGBA(v)[1], + }, + }, + 'css-hsl': { + color: { + from: v => [true, hexToCssHSL(v)], + to: cssHSLToHex, + }, + text: { + from: strToCssHSL, + to: v => strToCssHSL(v)[1], + }, + }, + 'css-hsla': { + color: { + from: v => [true, hexToCssHSLA(v)], + to: cssHSLAToHex, + }, + text: { + from: strToCssHSLA, + to: v => strToCssHSLA(v)[1], + }, + }, + }; + + class ElementView extends View { + constructor(tag, className) { + super(createElem(tag, {className})); + } + } + + // TODO: remove this? Should just be user side + class Canvas extends LabelController { + #canvasElem; + + constructor() { + super('muigui-canvas'); + this.#canvasElem = this.add( + new ElementView('canvas', 'muigui-canvas'), + ).domElement; + } + get canvas() { + return this.#canvasElem; + } + } + + class ColorView extends EditView { + #to; + #from; + #colorElem; + #skipUpdate; + #options = { + converters: identity, + }; + + constructor(setter, options) { + const colorElem = createElem('input', { + type: 'color', + onInput: () => { + const [valid, newV] = this.#from(colorElem.value); + if (valid) { + this.#skipUpdate = true; + setter.setValue(newV); + } + }, + onChange: () => { + const [valid, newV] = this.#from(colorElem.value); + if (valid) { + this.#skipUpdate = true; + setter.setFinalValue(newV); + } + }, + }); + super(createElem('div', {}, [colorElem])); + this.setOptions(options); + this.#colorElem = colorElem; + } + updateDisplay(v) { + if (!this.#skipUpdate) { + this.#colorElem.value = this.#to(v); + } + this.#skipUpdate = false; + } + setOptions(options) { + copyExistingProperties(this.#options, options); + const {converters: {to, from}} = this.#options; + this.#to = to; + this.#from = from; + return this; + } + } + + class Color extends ValueController { + #colorView; + #textView; + + constructor(object, property, options = {}) { + super(object, property, 'muigui-color'); + const format = options.format || guessFormat(this.getValue()); + const {color, text} = colorFormatConverters[format]; + this.#colorView = this.add(new ColorView(this, {converters: color})); + this.#textView = this.add(new TextView(this, {converters: text})); + this.updateDisplay(); + } + setOptions(options) { + const {format} = options; + if (format) { + const {color, text} = colorFormatConverters[format]; + this.#colorView.setOptions({converters: color}); + this.#textView.setOptions({converters: text}); + } + super.setOptions(options); + return this; + } + } + + // This feels like it should be something else like + // gui.addController({className: 'muigui-divider')}; + class Divider extends Controller { + constructor() { + super('muigui-divider'); + } + } + + class Container extends Controller { + #controllers; + #childDestController; + + constructor(className) { + super(className); + this.#controllers = []; + this.#childDestController = this; + } + get children() { + return this.#controllers; // should we return a copy? + } + get controllers() { + return this.#controllers.filter(c => !(c instanceof Container)); + } + get folders() { + return this.#controllers.filter(c => c instanceof Container); + } + reset(recursive = true) { + for (const controller of this.#controllers) { + if (!(controller instanceof Container) || recursive) { + controller.reset(recursive); + } + } + return this; + } + updateDisplay() { + for (const controller of this.#controllers) { + controller.updateDisplay(); + } + return this; + } + remove(controller) { + const ndx = this.#controllers.indexOf(controller); + if (ndx >= 0) { + const c = this.#controllers.splice(ndx, 1); + const c0 = c[0]; + const elem = c0.domElement; + elem.remove(); + c0.setParent(null); + } + return this; + } + #addControllerImpl(controller) { + this.domElement.appendChild(controller.domElement); + this.#controllers.push(controller); + controller.setParent(this); + return controller; + } + addController(controller) { + return this.#childDestController.#addControllerImpl(controller); + } + pushContainer(container) { + this.addController(container); + this.#childDestController = container; + return container; + } + popContainer() { + this.#childDestController = this.#childDestController.parent; + return this; + } + } + + class Folder extends Container { + #labelElem; + + constructor(name = 'Controls', className = 'muigui-menu') { + super(className); + this.#labelElem = createElem('label'); + this.addElem(createElem('button', { + type: 'button', + onClick: () => this.toggleOpen(), + }, [this.#labelElem])); + this.pushContainer(new Container()); + this.name(name); + this.open(); + } + open(open = true) { + this.domElement.classList.toggle('muigui-closed', !open); + this.domElement.classList.toggle('muigui-open', open); + return this; + } + close() { + return this.open(false); + } + name(name) { + this.#labelElem.textContent = name; + return this; + } + title(title) { + return this.name(title); + } + toggleOpen() { + this.open(!this.domElement.classList.contains('muigui-open')); + return this; + } + } + + // This feels like it should be something else like + // gui.addDividing = new Controller() + class Label extends Controller { + constructor(text) { + super('muigui-label'); + this.text(text); + } + text(text) { + this.domElement.textContent = text; + return this; + } + } + + function noop$1() { + } + + function computeRelativePosition(elem, event, start) { + const rect = elem.getBoundingClientRect(); + const x = event.clientX - rect.left; + const y = event.clientY - rect.top; + const nx = x / rect.width; + const ny = y / rect.height; + start = start || [x, y]; + const dx = x - start[0]; + const dy = y - start[1]; + const ndx = dx / rect.width; + const ndy = dy / rect.width; + return {x, y, nx, ny, dx, dy, ndx, ndy}; + } + + function addTouchEvents(elem, {onDown = noop$1, onMove = noop$1, onUp = noop$1}) { + let start; + const pointerMove = function (event) { + const e = { + type: 'move', + ...computeRelativePosition(elem, event, start), + }; + onMove(e); + }; + + const pointerUp = function (event) { + elem.releasePointerCapture(event.pointerId); + elem.removeEventListener('pointermove', pointerMove); + elem.removeEventListener('pointerup', pointerUp); + + document.body.style.backgroundColor = ''; + + onUp('up'); + }; + + const pointerDown = function (event) { + elem.addEventListener('pointermove', pointerMove); + elem.addEventListener('pointerup', pointerUp); + elem.setPointerCapture(event.pointerId); + + const rel = computeRelativePosition(elem, event); + start = [rel.x, rel.y]; + onDown({ + type: 'down', + ...rel, + }); + }; + + elem.addEventListener('pointerdown', pointerDown); + + return function () { + elem.removeEventListener('pointerdown', pointerDown); + }; + } + + const svg$3 = ` + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +`; + + function connectFillTargets(elem) { + elem.querySelectorAll('[data-src]').forEach(srcElem => { + const id = getNewId(); + srcElem.id = id; + elem.querySelectorAll(`[data-target=${srcElem.dataset.src}]`).forEach(targetElem => { + targetElem.setAttribute('fill', `url(#${id})`); + }); + }); + return elem; + } + + // Was originally going to make alpha an option. Issue is + // hard coded conversions? + class ColorChooserView extends EditView { + #to; + #from; + #satLevelElem; + #circleElem; + #hueUIElem; + #hueElem; + #hueCursorElem; + #alphaUIElem; + #alphaElem; + #alphaCursorElem; + #hsva; + #skipHueUpdate; + #skipSatLevelUpdate; + #skipAlphaUpdate; + #options = { + converters: identity, + alpha: false, + }; + #convertInternalToHex; + #convertHexToInternal; + + constructor(setter, options) { + super(createElem('div', { + innerHTML: svg$3, + className: 'muigui-no-scroll', + })); + this.#satLevelElem = this.domElement.children[0]; + this.#hueUIElem = this.domElement.children[1]; + this.#alphaUIElem = this.domElement.children[2]; + connectFillTargets(this.#satLevelElem); + connectFillTargets(this.#hueUIElem); + connectFillTargets(this.#alphaUIElem); + this.#circleElem = this.$('.muigui-color-chooser-circle'); + this.#hueElem = this.$('[data-src=muigui-color-chooser-hue]'); + this.#hueCursorElem = this.$('.muigui-color-chooser-hue-cursor'); + this.#alphaElem = this.$('[data-src=muigui-color-chooser-alpha]'); + this.#alphaCursorElem = this.$('.muigui-color-chooser-alpha-cursor'); + + const handleSatLevelChange = (e) => { + const s = clamp$1(e.nx, 0, 1); + const v = clamp$1(e.ny, 0, 1); + this.#hsva[1] = s; + this.#hsva[2] = (1 - v); + this.#skipHueUpdate = true; + this.#skipAlphaUpdate = true; + const [valid, newV] = this.#from(this.#convertInternalToHex(this.#hsva)); + if (valid) { + setter.setValue(newV); + } + }; + + const handleHueChange = (e) => { + const h = clamp$1(e.nx, 0, 1); + this.#hsva[0] = h; + this.#skipSatLevelUpdate = true; + this.#skipAlphaUpdate = true; + const [valid, newV] = this.#from(this.#convertInternalToHex(this.#hsva)); + if (valid) { + setter.setValue(newV); + } + }; + + const handleAlphaChange = (e) => { + const a = clamp$1(e.nx, 0, 1); + this.#hsva[3] = a; + this.#skipHueUpdate = true; + this.#skipSatLevelUpdate = true; + const [valid, newV] = this.#from(this.#convertInternalToHex(this.#hsva)); + if (valid) { + setter.setValue(newV); + } + }; + + addTouchEvents(this.#satLevelElem, { + onDown: handleSatLevelChange, + onMove: handleSatLevelChange, + }); + addTouchEvents(this.#hueUIElem, { + onDown: handleHueChange, + onMove: handleHueChange, + }); + addTouchEvents(this.#alphaUIElem, { + onDown: handleAlphaChange, + onMove: handleAlphaChange, + }); + this.setOptions(options); + } + updateDisplay(newV) { + if (!this.#hsva) { + this.#hsva = this.#convertHexToInternal(this.#to(newV)); + } + { + const [h, s, v, a = 1] = this.#convertHexToInternal(this.#to(newV)); + // Don't copy the hue if it was un-computable. + if (!this.#skipHueUpdate) { + this.#hsva[0] = s > 0.001 && v > 0.001 ? h : this.#hsva[0]; + } + if (!this.#skipSatLevelUpdate) { + this.#hsva[1] = s; + this.#hsva[2] = v; + } + if (!this.#skipAlphaUpdate) { + this.#hsva[3] = a; + } + } + { + const [h, s, v, a] = this.#hsva; + const [hue, sat, lum] = rgbaFloatToHsla01(hsva01ToRGBAFloat(this.#hsva)); + + if (!this.#skipHueUpdate) { + this.#hueCursorElem.setAttribute('transform', `translate(${h * 64}, 0)`); + } + this.#hueElem.children[0].setAttribute('stop-color', `hsl(${hue * 360} 0% 100% / ${a})`); + this.#hueElem.children[1].setAttribute('stop-color', `hsl(${hue * 360} 100% 50% / ${a})`); + if (!this.#skipAlphaUpdate) { + this.#alphaCursorElem.setAttribute('transform', `translate(${a * 64}, 0)`); + } + this.#alphaElem.children[0].setAttribute('stop-color', `hsl(${hue * 360} ${sat * 100}% ${lum * 100}% / 0)`); + this.#alphaElem.children[1].setAttribute('stop-color', `hsl(${hue * 360} ${sat * 100}% ${lum * 100}% / 1)`); + + if (!this.#skipSatLevelUpdate) { + this.#circleElem.setAttribute('cx', `${s * 64}`); + this.#circleElem.setAttribute('cy', `${(1 - v) * 48}`); + } + } + this.#skipHueUpdate = false; + this.#skipSatLevelUpdate = false; + this.#skipAlphaUpdate = false; + } + setOptions(options) { + copyExistingProperties(this.#options, options); + const {converters: {to, from}, alpha} = this.#options; + this.#alphaUIElem.style.display = alpha ? '' : 'none'; + this.#convertInternalToHex = alpha + ? v => floatRGBAToHex(hsva01ToRGBAFloat(v)) + : v => floatRGBToHex(hsv01ToRGBFloat(v)); + this.#convertHexToInternal = alpha + ? v => rgbaFloatToHSVA01(hexToFloatRGBA(v)) + : v => rgbFloatToHSV01(hexToFloatRGB(v)); + this.#to = to; + this.#from = from; + return this; + } + } + + /* + + holder = new TabHolder + tab = holder.add(new Tab("name")) + tab.add(...) + + + pc = new PopdownController + top = pc.add(new Row()) + top.add(new Button()); + values = topRow.add(new Div()) + bottom = pc.add(new Row()); + + + + pc = new PopdownController + pc.addTop + pc.addTop + + pc.addBottom + + + */ + + class PopDownController extends ValueController { + #top; + #valuesView; + #checkboxElem; + #bottom; + #options = { + open: false, + }; + + constructor(object, property, options = {}) { + super(object, property, 'muigui-pop-down-controller'); + /* + [ValueView + [[B][values]] upper row + [[ visual ]] lower row + ] + */ + this.#top = this.add(new ElementView('div', 'muigui-pop-down-top')); + // this.#top.add(new CheckboxView(makeSetter(this.#options, 'open'))); + const checkboxElem = this.#top.addElem(createElem('input', { + type: 'checkbox', + onChange: () => { + this.#options.open = checkboxElem.checked; + this.updateDisplay(); + }, + })); + this.#checkboxElem = checkboxElem; + this.#valuesView = this.#top.add(new ElementView('div', 'muigui-pop-down-values')); + this.#bottom = this.add(new ElementView('div', 'muigui-pop-down-bottom')); + this.setOptions(options); + } + setKnobColor(bgCssColor/*, fgCssColor*/) { + if (this.#checkboxElem) { + this.#checkboxElem.style = ` + --range-color: ${bgCssColor}; + --value-bg-color: ${bgCssColor}; + `; + } + } + updateDisplay() { + super.updateDisplay(); + const {open} = this.#options; + this.domElement.children[1].classList.toggle('muigui-open', open); + this.domElement.children[1].classList.toggle('muigui-closed', !open); + } + setOptions(options) { + copyExistingProperties(this.#options, options); + super.setOptions(options); + this.updateDisplay(); + } + addTop(view) { + return this.#valuesView.add(view); + } + addBottom(view) { + return this.#bottom.add(view); + } + } + + /* eslint-disable no-underscore-dangle */ + + class ColorChooser extends PopDownController { + #colorView; + #textView; + #to; + #setKnobHelper; + + constructor(object, property, options = {}) { + super(object, property, 'muigui-color-chooser'); + const format = options.format || guessFormat(this.getValue()); + const {color, text} = colorFormatConverters[format]; + this.#to = color.to; + this.#textView = new TextView(this, {converters: text, alpha: hasAlpha(format)}); + this.#colorView = new ColorChooserView(this, {converters: color, alpha: hasAlpha(format)}); + this.addTop(this.#textView); + this.addBottom(this.#colorView); + // WTF! FIX! + this.#setKnobHelper = () => { + if (this.#to) { + const hex6Or8 = this.#to(this.getValue()); + const hsl = rgbUint8ToHsl(hexToUint8RGB(hex6Or8)); + hsl[2] = (hsl[2] + 50) % 100; + const hex = uint8RGBToHex(hslToRgbUint8(hsl)); + this.setKnobColor(`${hex6Or8.substring(0, 7)}FF`, hex); + } + }; + this.updateDisplay(); + } + updateDisplay() { + super.updateDisplay(); + if (this.#setKnobHelper) { + this.#setKnobHelper(); + } + } + setOptions(options) { + super.setOptions(options); + return this; + } + } + + function showCSS(ob) { + if (ob.prototype.css) { + showCSS(ob.prototype); + } + } + + class Layout extends View { + static css = 'bar'; + constructor(tag, className) { + super(createElem(tag, {className})); + + showCSS(this); + } + } + + /* + class ValueController ?? { + const row = this.add(new Row()); + const label = row.add(new Label()); + const div = row.add(new Div()); + const row = div.add(new Row()); + } + */ + + /* + class MyCustomThing extends ValueController { + constructor(object, property, options) { + const topRow = this.add(new Row()); + const bottomRow = this.add(new Row()); + topRow.add(new NumberView()); + topRow.add(new NumberView()); + topRow.add(new NumberView()); + topRow.add(new NumberView()); + bottomRow.add(new DirectionView()); + bottomRow.add(new DirectionView()); + bottomRow.add(new DirectionView()); + bottomRow.add(new DirectionView()); + } + } + new Grid([ + [new + ] + */ + + class Column extends Layout { + constructor() { + super('div', 'muigui-row'); + } + } + + class Frame extends Layout { + static css = 'foo'; + constructor() { + super('div', 'muigui-frame'); + } + static get foo() { + return 'boo'; + } + } + + class Grid extends Layout { + constructor() { + super('div', 'muigui-grid'); + } + } + + class Row extends Layout { + constructor() { + super('div', 'muigui-row'); + } + } + + class GUIFolder extends Folder { + add(object, property, ...args) { + const controller = object instanceof Controller + ? object + : createController(object, property, ...args); + return this.addController(controller); + } + addCanvas(name) { + return this.addController(new Canvas(name)); + } + addColor(object, property, options = {}) { + const value = object[property]; + if (hasAlpha(options.format || guessFormat(value))) { + return this.addController(new ColorChooser(object, property, options)); + } else { + return this.addController(new Color(object, property, options)); + } + } + addDivider() { + return this.addController(new Divider()); + } + addFolder(name) { + return this.addController(new GUIFolder(name)); + } + addLabel(text) { + return this.addController(new Label(text)); + } + } + + class MuiguiElement extends HTMLElement { + constructor() { + super(); + this.shadow = this.attachShadow({mode: 'open'}); + } + } + + customElements.define('muigui-element', MuiguiElement); + + const baseStyleSheet = new CSSStyleSheet(); + baseStyleSheet.replaceSync(css.default); + const userStyleSheet = new CSSStyleSheet(); + + function makeStyleSheetUpdater(styleSheet) { + let newCss; + let newCssPromise; + + function updateStyle() { + if (newCss && !newCssPromise) { + const s = newCss; + newCss = undefined; + newCssPromise = styleSheet.replace(s).then(() => { + newCssPromise = undefined; + updateStyle(); + }); + } + } + + return function updateStyleSheet(css) { + newCss = css; + updateStyle(); + }; + } + + const updateBaseStyle = makeStyleSheetUpdater(baseStyleSheet); + const updateUserStyle = makeStyleSheetUpdater(userStyleSheet); + + class GUI extends GUIFolder { + static converters = converters; + static mapRange = mapRange; + static makeRangeConverters = makeRangeConverters; + static makeRangeOptions = makeRangeOptions; + static makeMinMaxPair = makeMinMaxPair; + #localStyleSheet = new CSSStyleSheet(); + + constructor(options = {}) { + super('Controls', 'muigui-root'); + if (options instanceof HTMLElement) { + options = {parent: options}; + } + const { + autoPlace = true, + width, + title = 'Controls', + } = options; + let { + parent, + } = options; + + if (width) { + this.domElement.style.width = /^\d+$/.test(width) ? `${width}px` : width; + } + if (parent === undefined && autoPlace) { + parent = document.body; + this.domElement.classList.add('muigui-auto-place'); + } + if (parent) { + const muiguiElement = createElem('muigui-element'); + muiguiElement.shadowRoot.adoptedStyleSheets = [baseStyleSheet, userStyleSheet, this.#localStyleSheet]; + muiguiElement.shadow.appendChild(this.domElement); + parent.appendChild(muiguiElement); + } + if (title) { + this.title(title); + } + this.domElement.classList.add('muigui', 'muigui-colors'); + } + setStyle(css) { + this.#localStyleSheet.replace(css); + } + static setBaseStyles(css) { + updateBaseStyle(css); + } + static getBaseStyleSheet() { + return baseStyleSheet; + } + static setUserStyles(css) { + updateUserStyle(css); + } + static getUserStyleSheet() { + return userStyleSheet; + } + static setTheme(name) { + GUI.setBaseStyles(`${css.default}\n${css.themes[name] || ''}`); + } + } + + function noop() { + } + + const keyDirections = { + ArrowLeft: [-1, 0], + ArrowRight: [1, 0], + ArrowUp: [0, -1], + ArrowDown: [0, 1], + }; + + // This probably needs to be global + function addKeyboardEvents(elem, {onDown = noop, onUp = noop}) { + const keyDown = function (event) { + const mult = event.shiftKey ? 10 : 1; + const [dx, dy] = (keyDirections[event.key] || [0, 0]).map(v => v * mult); + const fn = event.type === 'keydown' ? onDown : onUp; + fn({ + type: event.type.substring(3), + dx, + dy, + event, + }); + }; + + elem.addEventListener('keydown', keyDown); + elem.addEventListener('keyup', keyDown); + + return function () { + elem.removeEventListener('keydown', keyDown); + elem.removeEventListener('keyup', keyDown); + }; + } + + function assert(truthy, msg = '') { + if (!truthy) { + throw new Error(msg); + } + } + + function getEllipsePointForAngle(cx, cy, rx, ry, phi, theta) { + const m = Math.abs(rx) * Math.cos(theta); + const n = Math.abs(ry) * Math.sin(theta); + + return [ + cx + Math.cos(phi) * m - Math.sin(phi) * n, + cy + Math.sin(phi) * m + Math.cos(phi) * n, + ]; + } + + function getEndpointParameters(cx, cy, rx, ry, phi, theta, dTheta) { + const [x1, y1] = getEllipsePointForAngle(cx, cy, rx, ry, phi, theta); + const [x2, y2] = getEllipsePointForAngle(cx, cy, rx, ry, phi, theta + dTheta); + + const fa = Math.abs(dTheta) > Math.PI ? 1 : 0; + const fs = dTheta > 0 ? 1 : 0; + + return { x1, y1, x2, y2, fa, fs }; + } + + function arc(cx, cy, r, start, end) { + assert(Math.abs(start - end) <= Math.PI * 2); + assert(start >= -Math.PI && start <= Math.PI * 2); + assert(start <= end); + assert(end >= -Math.PI && end <= Math.PI * 4); + + const { x1, y1, x2, y2, fa, fs } = getEndpointParameters(cx, cy, r, r, 0, start, end - start); + return Math.abs(Math.abs(start - end) - Math.PI * 2) > Number.EPSILON + ? `M${cx} ${cy} L${x1} ${y1} A ${r} ${r} 0 ${fa} ${fs} ${x2} ${y2} L${cx} ${cy}` + : `M${x1} ${y1} L${x1} ${y1} A ${r} ${r} 0 ${fa} ${fs} ${x2} ${y2}`; + } + + const svg$2 = ` + + + + + + + + + +`; + + const twoPiMod = v => euclideanModulo$1(v + Math.PI, Math.PI * 2) - Math.PI; + + class DirectionView extends EditView { + #arrowElem; + #rangeElem; + #lastV; + #wrap; + #options = { + step: 1, + min: -180, + max: 180, + + /* + -------- + / -π/2 \ + / | \ + |<- -π * | + | * 0 ->| zero is down the positive X axis + |<- +π * | + \ | / + \ π/2 / + -------- + */ + dirMin: -Math.PI, + dirMax: Math.PI, + //dirMin: Math.PI * 0.5, + //dirMax: Math.PI * 2.5, + //dirMin: -Math.PI * 0.75, // test 10:30 to 7:30 + //dirMax: Math.PI * 0.75, + //dirMin: Math.PI * 0.75, // test 7:30 to 10:30 + //dirMax: -Math.PI * 0.75, + //dirMin: -Math.PI * 0.75, // test 10:30 to 1:30 + //dirMax: -Math.PI * 0.25, + //dirMin: Math.PI * 0.25, // test 4:30 to 7:30 + //dirMax: Math.PI * 0.75, + //dirMin: Math.PI * 0.75, // test 4:30 to 7:30 + //dirMax: Math.PI * 0.25, + wrap: undefined, + converters: identity, + }; + + constructor(setter, options = {}) { + const wheelHelper = createWheelHelper(); + super(createElem('div', { + className: 'muigui-direction muigui-no-scroll', + innerHTML: svg$2, + onWheel: e => { + e.preventDefault(); + const {min, max, step} = this.#options; + const delta = wheelHelper(e, step); + let tempV = this.#lastV + delta; + if (this.#wrap) { + tempV = euclideanModulo$1(tempV - min, max - min) + min; + } + const newV = clamp$1(stepify(tempV, v => v, step), min, max); + setter.setValue(newV); + }, + })); + const handleTouch = (e) => { + const {min, max, step, dirMin, dirMax} = this.#options; + const nx = e.nx * 2 - 1; + const ny = e.ny * 2 - 1; + const a = Math.atan2(ny, nx); + + const center = (dirMin + dirMax) / 2; + + const centeredAngle = twoPiMod(a - center); + const centeredStart = twoPiMod(dirMin - center); + const diff = dirMax - dirMin; + + const n = clamp$1((centeredAngle - centeredStart) / (diff), 0, 1); + const newV = stepify(min + (max - min) * n, v => v, step); + setter.setValue(newV); + }; + addTouchEvents(this.domElement, { + onDown: handleTouch, + onMove: handleTouch, + }); + addKeyboardEvents(this.domElement, { + onDown: (e) => { + const {min, max, step} = this.#options; + const newV = clamp$1(stepify(this.#lastV + e.dx * step, v => v, step), min, max); + setter.setValue(newV); + }, + }); + this.#arrowElem = this.$('#muigui-arrow'); + this.#rangeElem = this.$('#muigui-range'); + this.setOptions(options); + } + updateDisplay(v) { + this.#lastV = v; + const {min, max} = this.#options; + const n = (v - min) / (max - min); + const angle = lerp$1(this.#options.dirMin, this.#options.dirMax, n); + this.#arrowElem.style.transform = `rotate(${angle}rad)`; + } + setOptions(options) { + copyExistingProperties(this.#options, options); + const {dirMin, dirMax, wrap} = this.#options; + this.#wrap = wrap !== undefined + ? wrap + : Math.abs(dirMin - dirMax) >= Math.PI * 2 - Number.EPSILON; + const [min, max] = dirMin < dirMax ? [dirMin, dirMax] : [dirMax , dirMin]; + this.#rangeElem.setAttribute('d', arc(0, 0, 28.87, min, max)); + } + } + + // deg2rad + // where is 0 + // range (0, 360), (-180, +180), (0,0) Really this is a range + + class Direction extends PopDownController { + #options; + constructor(object, property, options) { + super(object, property, 'muigui-direction'); + this.#options = options; // FIX + this.addTop(new NumberView(this, + identity)); + this.addBottom(new DirectionView(this, options)); + this.updateDisplay(); + } + } + + class RadioGridView extends EditView { + #values; + + constructor(setter, keyValues, cols = 3) { + const values = []; + const name = makeId(); + super(createElem('div', {}, keyValues.map(([key, value], ndx) => { + values.push(value); + return createElem('label', {}, [ + createElem('input', { + type: 'radio', + name, + value: ndx, + onChange: function () { + if (this.checked) { + setter.setFinalValue(that.#values[this.value]); + } + }, + }), + createElem('button', { + type: 'button', + textContent: key, + onClick: function () { + this.previousElementSibling.click(); + }, + }), + ]); + }))); + // eslint-disable-next-line @typescript-eslint/no-this-alias + const that = this; + this.#values = values; + this.cols(cols); + } + updateDisplay(v) { + const ndx = this.#values.indexOf(v); + for (let i = 0; i < this.domElement.children.length; ++i) { + this.domElement.children[i].children[0].checked = i === ndx; + } + } + cols(cols) { + this.domElement.style.gridTemplateColumns = `repeat(${cols}, 1fr)`; + } + } + + class RadioGrid extends ValueController { + constructor(object, property, options) { + super(object, property, 'muigui-radio-grid'); + const valueIsNumber = typeof this.getValue() === 'number'; + const { + keyValues: keyValuesInput, + cols = 3, + } = options; + const keyValues = convertToKeyValues(keyValuesInput, valueIsNumber); + this.add(new RadioGridView(this, keyValues, cols)); + this.updateDisplay(); + } + } + + function onResize(elem, callback) { + new ResizeObserver(() => { + callback({rect: elem.getBoundingClientRect(), elem}); + }).observe(elem); + } + + function onResizeSVGNoScale(elem, hAnchor, vAnchor, callback) { + onResize(elem, ({rect}) => { + const {width, height} = rect; + elem.setAttribute('viewBox', `-${width * hAnchor} -${height * vAnchor} ${width} ${height}`); + callback({elem, rect}); + }); + } + + function onResizeCanvas(elem, callback) { + onResize(elem, ({rect}) => { + const {width, height} = rect; + elem.width = width; + elem.height = height; + callback({elem, rect}); + }); + } + + const svg$1 = ` + + + + + + + + + + + + + + + + + + + + + + + + + + + + +`; + + function createSVGTicks(start, end, step, min, max, height) { + const p = []; + if (start < min) { + start += stepify(min - start, v => v, step); + } + end = Math.min(end, max); + for (let i = start; i <= end; i += step) { + p.push(`M${i} 0 l0 ${height}`); + } + return p.join(' '); + } + + function createSVGNumbers(start, end, unitSize, unit, minusSize, min, max, labelFn) { + const texts = []; + if (start < min) { + start += stepify(min - start, v => v, unitSize); + } + end = Math.min(end, max); + const digits = Math.max(0, -Math.log10(unit)); + const f = v => labelFn(v.toFixed(digits)); + for (let i = start; i <= end; i += unitSize) { + texts.push(`${f(i / unitSize * unit)}`); + } + return texts.join('\n'); + } + + function computeSizeOfMinus(elem) { + const oldHTML = elem.innerHTML; + elem.innerHTML = '- '; + const text = elem.querySelector('text'); + const size = text.getComputedTextLength(); + elem.innerHTML = oldHTML; + return size; + } + + class SliderView extends EditView { + #svgElem; + #originElem; + #ticksElem; + #thicksElem; + #numbersElem; + #leftGradElem; + #rightGradElem; + #width; + #height; + #lastV; + #minusSize; + #options = { + min: -100, + max: 100, + step: 1, + unit: 10, + unitSize: 10, + ticksPerUnit: 5, + labelFn: v => v, + tickHeight: 1, + limits: true, + thicksColor: undefined, + orientation: undefined, + }; + + constructor(setter, options) { + const wheelHelper = createWheelHelper(); + super(createElem('div', { + innerHTML: svg$1, + className: 'muigui-no-v-scroll', + onWheel: e => { + e.preventDefault(); + const {min, max, step} = this.#options; + const delta = wheelHelper(e, step); + const newV = clamp$1(stepify(this.#lastV + delta, v => v, step), min, max); + setter.setValue(newV); + }, + })); + this.#svgElem = this.$('svg'); + this.#originElem = this.$('#muigui-origin'); + this.#ticksElem = this.$('#muigui-ticks'); + this.#thicksElem = this.$('#muigui-thicks'); + this.#numbersElem = this.$('#muigui-numbers'); + this.#leftGradElem = this.$('#muigui-left-grad'); + this.#rightGradElem = this.$('#muigui-right-grad'); + this.setOptions(options); + let startV; + addTouchEvents(this.domElement, { + onDown: () => { + startV = this.#lastV; + }, + onMove: (e) => { + const {min, max, unitSize, unit, step} = this.#options; + const newV = clamp$1(stepify(startV - e.dx / unitSize * unit, v => v, step), min, max); + setter.setValue(newV); + }, + }); + addKeyboardEvents(this.domElement, { + onDown: (e) => { + const {min, max, step} = this.#options; + const newV = clamp$1(stepify(this.#lastV + e.dx * step, v => v, step), min, max); + setter.setValue(newV); + }, + }); + onResizeSVGNoScale(this.#svgElem, 0.5, 0, ({rect: {width}}) => { + this.#leftGradElem.setAttribute('x', -width / 2); + this.#rightGradElem.setAttribute('x', width / 2 - 20); + this.#minusSize = computeSizeOfMinus(this.#numbersElem); + this.#width = width; + this.#updateSlider(); + }); + } + // |--------V--------| + // . . | . . . | . . . | + // + #updateSlider() { + // There's no size if ResizeObserver has not fired yet. + if (!this.#width || this.#lastV === undefined) { + return; + } + const { + labelFn, + limits, + min, + max, + orientation, + tickHeight, + ticksPerUnit, + unit, + unitSize, + thicksColor, + } = this.#options; + const unitsAcross = Math.ceil(this.#width / unitSize); + const center = this.#lastV; + const centerUnitSpace = center / unit; + const startUnitSpace = Math.round(centerUnitSpace - unitsAcross); + const endUnitSpace = startUnitSpace + unitsAcross * 2; + const start = startUnitSpace * unitSize; + const end = endUnitSpace * unitSize; + const minUnitSpace = limits ? min * unitSize / unit : start; + const maxUnitSpace = limits ? max * unitSize / unit : end; + const height = labelFn(1) === '' ? 10 : 5; + if (ticksPerUnit > 1) { + this.#ticksElem.setAttribute('d', createSVGTicks(start, end, unitSize / ticksPerUnit, minUnitSpace, maxUnitSpace, height * tickHeight)); + } + this.#thicksElem.style.stroke = thicksColor; //setAttribute('stroke', thicksColor); + this.#thicksElem.setAttribute('d', createSVGTicks(start, end, unitSize, minUnitSpace, maxUnitSpace, height)); + this.#numbersElem.innerHTML = createSVGNumbers(start, end, unitSize, unit, this.#minusSize, minUnitSpace, maxUnitSpace, labelFn); + this.#originElem.setAttribute('transform', `translate(${-this.#lastV * unitSize / unit} 0)`); + this.#svgElem.classList.toggle('muigui-slider-up', orientation === 'up'); + } + updateDisplay(v) { + this.#lastV = v; + this.#updateSlider(); + } + setOptions(options) { + copyExistingProperties(this.#options, options); + return this; + } + } + + class Slider extends ValueController { + constructor(object, property, options = {}) { + super(object, property, 'muigui-slider'); + this.add(new SliderView(this, options)); + this.add(new NumberView(this, options)); + this.updateDisplay(); + } + } + + const svg = ` + + + + + + + +`; + + class Vec2View extends EditView { + #svgElem; + #arrowElem; + #circleElem; + #lastV = []; + + constructor(setter) { + super(createElem('div', { + innerHTML: svg, + className: 'muigui-no-scroll', + })); + const onTouch = (e) => { + const {width, height} = this.#svgElem.getBoundingClientRect(); + const nx = e.nx * 2 - 1; + const ny = e.ny * 2 - 1; + setter.setValue([nx * width * 0.5, ny * height * 0.5]); + }; + addTouchEvents(this.domElement, { + onDown: onTouch, + onMove: onTouch, + }); + this.#svgElem = this.$('svg'); + this.#arrowElem = this.$('#muigui-arrow'); + this.#circleElem = this.$('#muigui-circle'); + onResizeSVGNoScale(this.#svgElem, 0.5, 0.5, () => this.#updateDisplayImpl); + } + #updateDisplayImpl() { + const [x, y] = this.#lastV; + this.#arrowElem.setAttribute('d', `M0,0L${x},${y}`); + this.#circleElem.setAttribute('transform', `translate(${x}, ${y})`); + } + updateDisplay(v) { + this.#lastV[0] = v[0]; + this.#lastV[1] = v[1]; + this.#updateDisplayImpl(); + } + } + + // TODO: zoom with wheel and pinch? + // TODO: grid? + // // options + // scale: + // range: number (both x and y + /) + // range: array (min, max) + // xRange: + // deg/rad/turn + + class Vec2 extends PopDownController { + constructor(object, property) { + super(object, property, 'muigui-vec2'); + + const makeSetter = (ndx) => { + return { + setValue: (v) => { + const newV = this.getValue(); + newV[ndx] = v; + this.setValue(newV); + }, + setFinalValue: (v) => { + const newV = this.getValue(); + newV[ndx] = v; + this.setFinalValue(newV); + }, + }; + }; + + this.addTop(new NumberView(makeSetter(0), { + converters: { + to: v => v[0], + from: strToNumber.from, + }, + })); + this.addTop(new NumberView(makeSetter(1), { + converters: { + to: v => v[1], + from: strToNumber.from, + }, + })); + this.addBottom(new Vec2View(this)); + this.updateDisplay(); + } + } + + GUI.ColorChooser = ColorChooser; + GUI.Direction = Direction; + GUI.RadioGrid = RadioGrid; + GUI.Range = Range; + GUI.Select = Select; + GUI.Slider = Slider; + GUI.TextNumber = TextNumber; + GUI.Vec2 = Vec2; + + return GUI; + +})); +//# sourceMappingURL=muigui.js.map diff --git a/dist/0.x/muigui.js.map b/dist/0.x/muigui.js.map new file mode 100644 index 0000000..c0fb460 --- /dev/null +++ b/dist/0.x/muigui.js.map @@ -0,0 +1 @@ +{"version":3,"file":"muigui.js","sources":["../../src/styles/muigui.css.js","../../src/libs/elem.js","../../src/libs/utils.js","../../../src/views/View.ts","../../src/controllers/Controller.js","../../src/controllers/Button.js","../../src/views/EditView.js","../../src/views/CheckboxView.js","../../src/libs/taskrunner.js","../../src/libs/ids.js","../../src/views/ValueView.js","../../src/controllers/LabelController.js","../../src/controllers/ValueController.js","../../src/controllers/Checkbox.js","../../src/libs/conversions.js","../../src/libs/wheel.js","../../src/views/NumberView.js","../../src/controllers/TextNumber.js","../../src/views/SelectView.js","../../src/libs/key-values.js","../../src/controllers/Select.js","../../src/views/RangeView.js","../../src/controllers/Range.js","../../src/views/TextView.js","../../src/controllers/Text.js","../../src/controllers/create-controller.js","../../src/libs/color-utils.js","../../src/views/ElementView.js","../../src/controllers/Canvas.js","../../src/views/ColorView.js","../../src/controllers/Color.js","../../src/controllers/Divider.js","../../src/controllers/Container.js","../../src/controllers/Folder.js","../../src/controllers/Label.js","../../src/libs/touch.js","../../src/views/ColorChooserView.js","../../src/controllers/PopDownController.js","../../src/controllers/ColorChooser.js","../../src/layout/Layout.js","../../src/layout/Column.js","../../src/layout/Frame.js","../../src/layout/Grid.js","../../src/layout/Row.js","../../src/muigui.js","../../src/libs/keyboard.js","../../src/libs/assert.js","../../src/libs/svg.js","../../src/views/DirectionView.js","../../src/controllers/Direction.js","../../src/views/RadioGridView.js","../../src/controllers/RadioGrid.js","../../src/libs/resize-helpers.js","../../src/views/SliderView.js","../../src/controllers/Slider.js","../../src/views/Vec2View.js","../../src/controllers/Vec2.js","../../src/umd.js"],"sourcesContent":["export default {\n default: `\n.muigui {\n --bg-color: #ddd;\n --color: #222;\n --contrast-color: #eee;\n --value-color: #145 ;\n --value-bg-color: #eeee;\n --disabled-color: #999;\n --menu-bg-color: #f8f8f8;\n --menu-sep-color: #bbb;\n --hover-bg-color: #999;\n --focus-color: #68C;\n --range-color: #888888;\n --invalid-color: #FF0000;\n --selected-color: rgb(255, 255, 255, 0.9);\n\n --button-bg-color: var(--value-bg-color);\n\n --range-left-color: var(--value-color);\n --range-right-color: var(--value-bg-color); \n --range-right-hover-color: var(--hover-bg-color);\n\n color: var(--color);\n background-color: var(--bg-color);\n}\n\n@media (prefers-color-scheme: dark) {\n .muigui {\n --bg-color: #222222;\n --color: #dddddd;\n --contrast-color: #000;\n --value-color: #43e5f7;\n --value-bg-color: #444444;\n --disabled-color: #666666;\n --menu-bg-color: #080808;\n --menu-sep-color: #444444;\n --hover-bg-color: #666666;\n --focus-color: #88AAFF;\n --range-color: #888888;\n --invalid-color: #FF6666;\n --selected-color: rgba(255, 255, 255, 0.3);\n\n --button-bg-color: var(--value-bg-color);\n\n --range-left-color: var(--value-color);\n --range-right-color: var(--value-bg-color); \n --range-right-hover-color: var(--hover-bg-color);\n\n color: var(--color);\n background-color: var(--bg-color);\n }\n}\n\n.muigui {\n --width: 250px;\n --label-width: 45%;\n --number-width: 40%;\n\n\n --font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Arial, sans-serif;\n --font-size: 11px;\n --font-family-mono: Menlo, Monaco, Consolas, \"Droid Sans Mono\", monospace;\n --font-size-mono: 11px;\n\n --line-height: 1.7em;\n --border-radius: 0px;\n\n width: var(--width);\n font-family: var(--font-family);\n font-size: var(--font-size);\n box-sizing: border-box;\n line-height: 100%;\n}\n.muigui * {\n box-sizing: inherit;\n}\n\n.muigui-no-scroll {\n touch-action: none;\n}\n.muigui-no-h-scroll {\n touch-action: pan-y;\n}\n.muigui-no-v-scroll {\n touch-action: pan-x;\n}\n\n.muigui-invalid-value {\n background-color: red !important;\n color: white !important;\n}\n\n.muigui-grid {\n display: grid;\n}\n.muigui-rows {\n display: flex;\n flex-direction: column;\n\n min-height: 20px;\n border: 2px solid red;\n}\n.muigui-columns {\n display: flex;\n flex-direction: row;\n\n height: 20px;\n border: 2px solid green;\n}\n.muigui-rows>*,\n.muigui-columns>* {\n flex: 1 1 auto;\n align-items: stretch;\n min-height: 0;\n min-width: 0;\n}\n\n.muigui-row {\n border: 2px solid yellow;\n min-height: 10px\n}\n.muigui-column {\n border: 2px solid lightgreen;\n}\n\n/* -------- */\n\n.muigui-show { /* */ }\n.muigui-hide { \n display: none !important;\n}\n.muigui-disabled {\n pointer-events: none;\n --color: var(--disabled-color) !important;\n --value-color: var(--disabled-color) !important;\n --range-left-color: var(--disabled-color) !important;\n}\n\n.muigui canvas,\n.muigui svg {\n display: block;\n border-radius: var(--border-radius);\n}\n.muigui canvas {\n background-color: var(--value-bg-color);\n}\n\n.muigui-controller {\n min-width: 0;\n min-height: var(--line-height);\n}\n.muigui-root,\n.muigui-menu {\n display: flex;\n flex-direction: column;\n position: relative;\n user-select: none;\n height: fit-content;\n margin: 0;\n padding-bottom: 0.1em;\n border-radius: var(--border-radius);\n}\n.muigui-menu {\n border-bottom: 1px solid var(--menu-sep-color);\n}\n\n.muigui-root>button:nth-child(1),\n.muigui-menu>button:nth-child(1) {\n border-top: 1px solid var(--menu-sep-color);\n border-bottom: 1px solid var(--menu-sep-color);\n position: relative;\n text-align: left;\n color: var(--color);\n background-color: var(--menu-bg-color);\n min-height: var(--line-height);\n padding-top: 0.2em;\n padding-bottom: 0.2em;\n cursor: pointer;\n border-radius: var(--border-radius);\n}\n.muigui-root>div:nth-child(2),\n.muigui-menu>div:nth-child(2) {\n flex: 1 1 auto;\n}\n\n.muigui-controller {\n margin-left: 0.2em;\n margin-right: 0.2em;\n}\n.muigui-root.muigui-controller,\n.muigui-menu.muigui-controller {\n margin-left: 0;\n margin-right: 0;\n}\n.muigui-controller>*:nth-child(1) {\n flex: 1 0 var(--label-width);\n min-width: 0;\n white-space: pre;\n}\n.muigui-controller>label:nth-child(1) {\n place-content: center start;\n display: inline-grid;\n overflow: hidden;\n}\n.muigui-controller>*:nth-child(2) {\n flex: 1 1 75%;\n min-width: 0;\n}\n\n/* -----------------------------------------\n a label controller is [[label][value]]\n*/\n\n.muigui-label-controller {\n display: flex;\n margin: 0.4em 0 0.4em 0;\n word-wrap: initial;\n align-items: stretch;\n}\n\n.muigui-value {\n display: flex;\n align-items: stretch;\n}\n.muigui-value>* {\n flex: 1 1 auto;\n min-width: 0;\n}\n.muigui-value>*:nth-child(1) {\n flex: 1 1 calc(100% - var(--number-width));\n}\n.muigui-value>*:nth-child(2) {\n flex: 1 1 var(--number-width);\n margin-left: 0.2em;\n}\n\n/* fix! */\n.muigui-open>button>label::before,\n.muigui-closed>button>label::before {\n width: 1.25em;\n height: var(--line-height);\n display: inline-grid;\n place-content: center start;\n pointer-events: none;\n}\n.muigui-open>button>label::before {\n content: \"ⓧ\"; /*\"▼\";*/\n}\n.muigui-closed>button>label::before {\n content: \"⨁\"; /*\"▶\";*/\n}\n.muigui-open>*:nth-child(2) {\n transition: max-height 0.2s ease-out,\n opacity 0.5s ease-out;\n max-height: 100vh;\n overflow: auto;\n opacity: 1;\n}\n\n.muigui-closed>*:nth-child(2) {\n transition: max-height 0.2s ease-out,\n opacity 1s;\n max-height: 0;\n opacity: 0;\n overflow: hidden;\n}\n\n/* ---- popdown ---- */\n\n.muigui-pop-down-top {\n display: flex;\n}\n/* fix? */\n.muigui-value>*:nth-child(1).muigui-pop-down-top {\n flex: 0;\n}\n.muigui-pop-down-bottom {\n\n}\n\n.muigui-pop-down-values {\n min-width: 0;\n display: flex;\n}\n.muigui-pop-down-values>* {\n flex: 1 1 auto;\n min-width: 0;\n}\n\n.muigui-value.muigui-pop-down-controller {\n flex-direction: column;\n}\n\n.muigui-pop-down-top input[type=checkbox] {\n -webkit-appearance: none;\n appearance: none;\n width: auto;\n color: var(--value-color);\n background-color: var(--value-bg-color);\n cursor: pointer;\n\n display: grid;\n place-content: center;\n margin: 0;\n font: inherit;\n color: currentColor;\n width: 1.7em;\n height: 1.7em;\n transform: translateY(-0.075em);\n}\n\n.muigui-pop-down-top input[type=checkbox]::before {\n content: \"+\";\n display: grid;\n place-content: center;\n border-radius: calc(var(--border-radius) + 2px);\n border-left: 1px solid rgba(255,255,255,0.3);\n border-top: 1px solid rgba(255,255,255,0.3);\n border-bottom: 1px solid rgba(0,0,0,0.2);\n border-right: 1px solid rgba(0,0,0,0.2);\n background-color: var(--range-color);\n color: var(--value-bg-color);\n width: calc(var(--line-height) - 4px);\n height: calc(var(--line-height) - 4px);\n}\n\n.muigui-pop-down-top input[type=checkbox]:checked::before {\n content: \"Ｘ\";\n}\n\n\n/* ---- select ---- */\n\n.muigui select,\n.muigui option,\n.muigui input,\n.muigui button {\n color: var(--value-color);\n background-color: var(--value-bg-color);\n font-family: var(--font-family);\n font-size: var(--font-size);\n border: none;\n margin: 0;\n border-radius: var(--border-radius);\n}\n.muigui select {\n appearance: none;\n margin: 0;\n margin-left: 0; /*?*/\n overflow: hidden; /* Safari */\n}\n\n.muigui select:focus,\n.muigui input:focus,\n.muigui button:focus {\n outline: 1px solid var(--focus-color);\n}\n\n.muigui select:hover,\n.muigui option:hover,\n.muigui input:hover,\n.muigui button:hover {\n background-color: var(--hover-bg-color); \n}\n\n/* ------ [ label ] ------ */\n\n.muigui-label {\n border-top: 1px solid var(--menu-sep-color);\n border-bottom: 1px solid var(--menu-sep-color);\n padding-top: 0.4em;\n padding-bottom: 0.3em;\n place-content: center start;\n background-color: var(--menu-bg-color);\n white-space: pre;\n border-radius: var(--border-radius);\n}\n\n/* ------ [ divider] ------ */\n\n.muigui-divider {\n min-height: 6px;\n border-top: 2px solid var(--menu-sep-color);\n margin-top: 6px;\n}\n\n/* ------ [ button ] ------ */\n\n.muigui-button {\n display: grid;\n\n}\n.muigui-button button {\n border: none;\n color: var(--value-color);\n background-color: var(--button-bg-color);\n cursor: pointer;\n place-content: center center;\n}\n\n/* ------ [ color ] ------ */\n\n.muigui-color>div {\n overflow: hidden;\n position: relative;\n margin-left: 0;\n margin-right: 0; /* why? */\n max-width: var(--line-height);\n border-radius: var(--border-radius);\n}\n\n.muigui-color>div:focus-within {\n outline: 1px solid var(--focus-color);\n}\n\n.muigui-color input[type=color] {\n border: none;\n padding: 0;\n background: inherit;\n cursor: pointer;\n position: absolute;\n width: 200%;\n left: -10px;\n top: -10px;\n height: 200%;\n}\n.muigui-disabled canvas,\n.muigui-disabled svg,\n.muigui-disabled img,\n.muigui-disabled .muigui-color input[type=color] {\n opacity: 0.2;\n}\n\n/* ------ [ checkbox ] ------ */\n\n.muigui-checkbox>label:nth-child(2) {\n display: grid;\n place-content: center start;\n margin: 0;\n}\n\n.muigui-checkbox input[type=checkbox] {\n -webkit-appearance: none;\n appearance: none;\n width: auto;\n color: var(--value-color);\n background-color: var(--value-bg-color);\n cursor: pointer;\n\n display: grid;\n place-content: center;\n margin: 0;\n font: inherit;\n color: currentColor;\n width: 1.7em;\n height: 1.7em;\n transform: translateY(-0.075em);\n}\n\n.muigui-checkbox input[type=checkbox]::before {\n content: \"\";\n color: var(--value-color);\n display: grid;\n place-content: center;\n}\n\n.muigui-checkbox input[type=checkbox]:checked::before {\n content: \"✔\";\n}\n\n.muigui input[type=number]::-webkit-inner-spin-button, \n.muigui input[type=number]::-webkit-outer-spin-button { \n -webkit-appearance: none;\n appearance: none;\n margin: 0; \n}\n.muigui input[type=number] {\n -moz-appearance: textfield;\n}\n\n/* ------ [ radio grid ] ------ */\n\n.muigui-radio-grid>div {\n display: grid;\n gap: 2px;\n}\n\n.muigui-radio-grid input {\n appearance: none;\n display: none;\n}\n\n.muigui-radio-grid button {\n color: var(--color);\n width: 100%;\n text-align: left;\n}\n\n.muigui-radio-grid input:checked + button {\n color: var(--value-color);\n background-color: var(--selected-color);\n}\n\n/* ------ [ color-chooser ] ------ */\n\n.muigui-color-chooser-cursor {\n stroke-width: 1px;\n stroke: white;\n fill: none;\n}\n.muigui-color-chooser-circle {\n stroke-width: 1px;\n stroke: white;\n fill: none;\n}\n\n\n/* ------ [ vec2 ] ------ */\n\n.muigui-vec2 svg {\n background-color: var(--value-bg-color);\n}\n\n.muigui-vec2-axis {\n stroke: 1px;\n stroke: var(--focus-color);\n}\n\n.muigui-vec2-line {\n stroke-width: 1px;\n stroke: var(--value-color);\n fill: var(--value-color);\n}\n\n/* ------ [ direction ] ------ */\n\n.muigui-direction svg {\n background-color: rgba(0,0,0,0.2);\n}\n\n.muigui-direction:focus-within svg {\n outline: none;\n}\n.muigui-direction-range {\n fill: var(--value-bg-color);\n}\n.muigui-direction svg:focus {\n outline: none;\n}\n.muigui-direction svg:focus .muigui-direction-range {\n stroke-width: 0.5px;\n stroke: var(--focus-color);\n}\n\n.muigui-direction-arrow {\n fill: var(--value-color);\n}\n\n/* ------ [ slider ] ------ */\n\n.muigui-slider>div {\n display: flex;\n align-items: stretch;\n height: var(--line-height);\n}\n.muigui-slider svg {\n flex: 1 1 auto;\n}\n.muigui-slider .muigui-slider-up #muigui-orientation {\n transform: scale(1, -1) translateY(-100%);\n}\n\n.muigui-slider .muigui-slider-up #muigui-number-orientation {\n transform: scale(1,-1);\n}\n\n.muigui-ticks {\n stroke: var(--range-color);\n}\n.muigui-thicks {\n stroke: var(--color);\n stroke-width: 2px;\n}\n.muigui-svg-text {\n fill: var(--color);\n font-size: 7px;\n}\n.muigui-mark {\n fill: var(--value-color);\n}\n\n/* ------ [ range ] ------ */\n\n\n.muigui-range input[type=range] {\n -webkit-appearance: none;\n appearance: none;\n background-color: transparent;\n}\n\n.muigui-range input[type=range]::-webkit-slider-thumb {\n -webkit-appearance: none;\n appearance: none;\n border-radius: calc(var(--border-radius) + 2px);\n border-left: 1px solid rgba(255,255,255,0.3);\n border-top: 1px solid rgba(255,255,255,0.3);\n border-bottom: 1px solid rgba(0,0,0,0.2);\n border-right: 1px solid rgba(0,0,0,0.2);\n background-color: var(--range-color);\n margin-top: calc((var(--line-height) - 2px) / -2);\n width: calc(var(--line-height) - 2px);\n height: calc(var(--line-height) - 2px);\n}\n\n.muigui-range input[type=range]::-webkit-slider-runnable-track {\n -webkit-appearance: none;\n appearance: none;\n border: 1px solid var(--menu-sep-color);\n height: 2px;\n}\n\n\n/* dat.gui style - doesn't work on Safari iOS */\n\n/*\n.muigui-range input[type=range] {\n cursor: ew-resize;\n overflow: hidden;\n}\n\n.muigui-range input[type=range] {\n -webkit-appearance: none;\n appearance: none;\n background-color: var(--range-right-color);\n margin: 0;\n}\n.muigui-range input[type=range]:hover {\n background-color: var(--range-right-hover-color);\n}\n\n.muigui-range input[type=range]::-webkit-slider-runnable-track {\n -webkit-appearance: none;\n appearance: none;\n height: max-content;\n color: var(--range-left-color);\n margin-top: -1px;\n}\n\n.muigui-range input[type=range]::-webkit-slider-thumb {\n -webkit-appearance: none;\n appearance: none;\n width: 0px;\n height: max-content;\n box-shadow: -1000px 0 0 1000px var(--range-left-color);\n}\n*/\n\n/* FF */\n/*\n.muigui-range input[type=range]::-moz-slider-progress {\n background-color: var(--range-left-color); \n}\n.muigui-range input[type=range]::-moz-slider-thumb {\n height: max-content;\n width: 0;\n border: none;\n box-shadow: -1000px 0 0 1000px var(--range-left-color);\n box-sizing: border-box;\n}\n*/\n\n.muigui-checkered-background {\n background-color: #404040;\n background-image:\n linear-gradient(45deg, #808080 25%, transparent 25%),\n linear-gradient(-45deg, #808080 25%, transparent 25%),\n linear-gradient(45deg, transparent 75%, #808080 75%),\n linear-gradient(-45deg, transparent 75%, #808080 75%);\n background-size: 16px 16px;\n background-position: 0 0, 0 8px, 8px -8px, -8px 0px;\n}\n\n/* ---------------------------------------------------------- */\n\n/* needs to be at bottom to take precedence */\n.muigui-auto-place {\n max-height: 100%;\n position: fixed;\n top: 0;\n right: 15px;\n z-index: 100001;\n}\n\n`,\nthemes: {\n default: '',\n float: `\n :root {\n color-scheme: light dark,\n }\n\n .muigui {\n --width: 400px;\n --bg-color: initial;\n --label-width: 25%;\n --number-width: 20%;\n }\n\n input,\n .muigui-label-controller>label {\n text-shadow:\n -1px -1px 0 var(--contrast-color),\n 1px -1px 0 var(--contrast-color),\n -1px 1px 0 var(--contrast-color),\n 1px 1px 0 var(--contrast-color);\n }\n\n .muigui-controller > label:nth-child(1) {\n place-content: center end;\n margin-right: 1em;\n }\n\n .muigui-value > :nth-child(2) {\n margin-left: 1em;\n }\n\n .muigui-root>*:nth-child(1) {\n display: none;\n }\n\n .muigui-range input[type=range]::-webkit-slider-thumb {\n border-radius: 1em;\n }\n\n .muigui-range input[type=range]::-webkit-slider-runnable-track {\n -webkit-appearance: initial;\n appearance: none;\n border: 1px solid rgba(0, 0, 0, 0.25);\n height: 2px;\n }\n\n .muigui-colors {\n --value-color: var(--color );\n --value-bg-color: rgba(0, 0, 0, 0.1);\n --disabled-color: #cccccc;\n --menu-bg-color: rgba(0, 0, 0, 0.1);\n --menu-sep-color: #bbbbbb;\n --hover-bg-color: rgba(0, 0, 0, 0);\n --invalid-color: #FF0000;\n --selected-color: rgba(0, 0, 0, 0.3);\n --range-color: rgba(0, 0, 0, 0.125);\n }\n`,\n},\n};\n","export function setElemProps(elem, attrs, children) {\n for (const [key, value] of Object.entries(attrs)) {\n if (typeof value === 'function' && key.startsWith('on')) {\n const eventName = key.substring(2).toLowerCase();\n elem.addEventListener(eventName, value, {passive: false});\n } else if (typeof value === 'object') {\n for (const [k, v] of Object.entries(value)) {\n elem[key][k] = v;\n }\n } else if (elem[key] === undefined) {\n elem.setAttribute(key, value);\n } else {\n elem[key] = value;\n }\n }\n for (const child of children) {\n elem.appendChild(child);\n }\n return elem;\n}\n\nexport function createElem(tag, attrs = {}, children = []) {\n const elem = document.createElement(tag);\n setElemProps(elem, attrs, children);\n return elem;\n}\n\nexport function addElem(tag, parent, attrs = {}, children = []) {\n const elem = createElem(tag, attrs, children);\n parent.appendChild(elem);\n return elem;\n}\n\nlet nextId = 0;\nexport function getNewId() {\n return `muigui-id-${nextId++}`;\n}\n","export function removeArrayElem(array, value) {\n const ndx = array.indexOf(value);\n if (ndx) {\n array.splice(ndx, 1);\n }\n return array;\n}\n\n/**\n * Converts an camelCase or snake_case id to \"camel case\" or \"snake case\"\n * @param {string} id\n */\nconst underscoreRE = /_/g;\nconst upperLowerRE = /([A-Z])([a-z])/g;\nexport function idToLabel(id) {\n return id.replace(underscoreRE, ' ')\n .replace(upperLowerRE, (m, m1, m2) => `${m1.toLowerCase()} ${m2}`);\n}\n\nexport function clamp(v, min, max) {\n return Math.max(min, Math.min(max, v));\n}\n\nexport const isTypedArray = typeof SharedArrayBuffer !== 'undefined'\n ? function isArrayBufferOrSharedArrayBuffer(a) {\n return a && a.buffer && (a.buffer instanceof ArrayBuffer || a.buffer instanceof SharedArrayBuffer);\n }\n : function isArrayBuffer(a) {\n return a && a.buffer && a.buffer instanceof ArrayBuffer;\n };\n\nexport const isArrayOrTypedArray = v => Array.isArray(v) || isTypedArray(v);\n\n// Yea, I know this should be `Math.round(v / step) * step\n// but try step = 0.1, newV = 19.95\n//\n// I get\n// Math.round(19.95 / 0.1) * 0.1\n// 19.900000000000002\n// vs\n// Math.round(19.95 / 0.1) / (1 / 0.1)\n// 19.9\n//\nexport const stepify = (v, from, step) => Math.round(from(v) / step) / (1 / step);\n\nexport const euclideanModulo = (v, n) => ((v % n) + n) % n;\nexport const lerp = (a, b, t) => a + (b - a) * t;\nexport function copyExistingProperties(dst, src) {\n for (const key in src) {\n if (key in dst) {\n dst[key] = src[key];\n }\n }\n return dst;\n}\n\nexport const mapRange = (v, inMin, inMax, outMin, outMax) => (v - inMin) * (outMax - outMin) / (inMax - inMin) + outMin;\n\nexport const makeRangeConverters = ({from, to}) => {\n return {\n to: v => mapRange(v, ...from, ...to),\n from: v => [true, mapRange(v, ...to, ...from)],\n };\n};\n\nexport const makeRangeOptions = ({from, to, step}) => {\n return {\n min: to[0],\n max: to[1],\n ...(step && {step}),\n converters: makeRangeConverters({from, to}),\n };\n};\n\n// TODO: remove an use one in conversions. Move makeRangeConverters there?\nexport const identity = {\n to: v => v,\n from: v => [true, v],\n};\nexport function makeMinMaxPair(gui, properties, minPropName, maxPropName, options) {\n const { converters: { from } = identity } = options;\n const { min, max } = options;\n const guiMinRange = options.minRange || 0;\n const valueMinRange = from(guiMinRange)[1];\n const minGui = gui\n .add(properties, minPropName, {\n ...options,\n min,\n max: max - guiMinRange,\n })\n .onChange(v => {\n maxGui.setValue(Math.min(max, Math.max(v + valueMinRange, properties[maxPropName])));\n });\n const maxGui = gui\n .add(properties, maxPropName, {\n ...options,\n min: min + guiMinRange,\n max,\n })\n .onChange(v => {\n minGui.setValue(Math.max(min, Math.min(v - valueMinRange, properties[minPropName])));\n });\n return [ minGui, maxGui ];\n}\n\n","import { removeArrayElem } from '../libs/utils.js';\n\nexport default class View {\n domElement: HTMLElement;\n\n #childDestElem: HTMLElement;\n #views: View[] = [];\n\n constructor(elem: HTMLElement) {\n this.domElement = elem;\n this.#childDestElem = elem;\n }\n addElem(elem: HTMLElement) {\n this.#childDestElem.appendChild(elem);\n return elem;\n }\n removeElem(elem: HTMLElement) {\n this.#childDestElem.removeChild(elem);\n return elem;\n }\n pushSubElem(elem: HTMLElement) {\n this.#childDestElem.appendChild(elem);\n this.#childDestElem = elem;\n }\n popSubElem() {\n this.#childDestElem = this.#childDestElem.parentElement!;\n }\n add(view: View) {\n this.#views.push(view);\n this.addElem(view.domElement);\n return view;\n }\n remove(view: View) {\n this.removeElem(view.domElement);\n removeArrayElem(this.#views, view);\n return view;\n }\n pushSubView(view: View) {\n this.pushSubElem(view.domElement);\n }\n popSubView() {\n this.popSubElem();\n }\n setOptions(options: any) {\n for (const view of this.#views) {\n view.setOptions(options);\n }\n }\n updateDisplayIfNeeded(newV: any, ignoreCache?: boolean) {\n for (const view of this.#views) {\n view.updateDisplayIfNeeded(newV, ignoreCache);\n }\n return this;\n }\n $(selector: string) {\n return this.domElement.querySelector(selector);\n }\n}","import { createElem } from '../libs/elem.js';\nimport { removeArrayElem } from '../libs/utils.js';\nimport View from '../views/View.js';\n\nexport default class Controller extends View {\n #changeFns;\n #finishChangeFns;\n #parent;\n\n constructor(className) {\n super(createElem('div', {className: 'muigui-controller'}));\n this.#changeFns = [];\n this.#finishChangeFns = [];\n // we need the specialization to come last so it takes precedence.\n if (className) {\n this.domElement.classList.add(className);\n }\n }\n get parent() {\n return this.#parent;\n }\n setParent(parent) {\n this.#parent = parent;\n this.enable(!this.disabled());\n }\n show(show = true) {\n this.domElement.classList.toggle('muigui-hide', !show);\n this.domElement.classList.toggle('muigui-show', show);\n return this;\n }\n hide() {\n return this.show(false);\n }\n disabled() {\n return !!this.domElement.closest('.muigui-disabled');\n }\n\n enable(enable = true) {\n this.domElement.classList.toggle('muigui-disabled', !enable);\n\n // If disabled we need to set the attribute 'disabled=true' to all\n // input/select/button/textarea's below\n //\n // If enabled we need to set the attribute 'disabled=false' to all below\n // until we hit a disabled controller.\n //\n // ATM the problem is we can find the input/select/button/textarea elements\n // but we can't easily find which controller they belong do.\n // But we don't need to? We can just check up if it or parent has\n // '.muigui-disabled'\n ['input', 'button', 'select', 'textarea'].forEach(tag => {\n this.domElement.querySelectorAll(tag).forEach(elem => {\n const disabled = !!elem.closest('.muigui-disabled');\n elem.disabled = disabled;\n });\n });\n\n return this;\n }\n disable(disable = true) {\n return this.enable(!disable);\n }\n onChange(fn) {\n this.removeChange(fn);\n this.#changeFns.push(fn);\n return this;\n }\n removeChange(fn) {\n removeArrayElem(this.#changeFns, fn);\n return this;\n }\n onFinishChange(fn) {\n this.removeFinishChange(fn);\n this.#finishChangeFns.push(fn);\n return this;\n }\n removeFinishChange(fn) {\n removeArrayElem(this.#finishChangeFns, fn);\n return this;\n }\n #callListeners(fns, newV) {\n for (const fn of fns) {\n fn.call(this, newV);\n }\n }\n emitChange(value, object, property) {\n this.#callListeners(this.#changeFns, value);\n if (this.#parent) {\n if (object === undefined) {\n this.#parent.emitChange(value);\n } else {\n this.#parent.emitChange({\n object,\n property,\n value,\n controller: this,\n });\n }\n }\n }\n emitFinalChange(value, object, property) {\n this.#callListeners(this.#finishChangeFns, value);\n if (this.#parent) {\n if (object === undefined) {\n this.#parent.emitChange(value);\n } else {\n this.#parent.emitFinalChange({\n object,\n property,\n value,\n controller: this,\n });\n }\n }\n }\n updateDisplay() {\n // placeholder. override\n }\n getColors() {\n const toCamelCase = s => s.replace(/-([a-z])/g, (m, m1) => m1.toUpperCase());\n const keys = [\n 'color',\n 'bg-color',\n 'value-color',\n 'value-bg-color',\n 'hover-bg-color',\n 'menu-bg-color',\n 'menu-sep-color',\n 'disabled-color',\n ];\n const div = createElem('div');\n this.domElement.appendChild(div);\n const colors = Object.fromEntries(keys.map(key => {\n div.style.color = `var(--${key})`;\n const s = getComputedStyle(div);\n return [toCamelCase(key), s.color];\n }));\n div.remove();\n return colors;\n }\n}\n","import {\n createElem,\n} from '../libs/elem.js';\nimport { copyExistingProperties } from '../libs/utils.js';\nimport Controller from './Controller.js';\n\nexport default class Button extends Controller {\n #object;\n #property;\n #buttonElem;\n #options = {\n name: '',\n };\n\n constructor(object, property, options = {}) {\n super('muigui-button', '');\n this.#object = object;\n this.#property = property;\n\n this.#buttonElem = this.addElem(\n createElem('button', {\n type: 'button',\n onClick: () => {\n this.#object[this.#property](this);\n },\n }));\n this.setOptions({name: property, ...options});\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n const {name} = this.#options;\n this.#buttonElem.textContent = name;\n }\n}","import { isTypedArray } from '../libs/utils.js';\nimport View from './View.js';\n\nfunction arraysEqual(a, b) {\n if (a.length !== b.length) {\n return false;\n }\n for (let i = 0; i < a.length; ++i) {\n if (a[i] !== b[i]) {\n return false;\n }\n }\n return true;\n}\n\nfunction copyArrayElementsFromTo(src, dst) {\n dst.length = src.length;\n for (let i = 0; i < src.length; ++i) {\n dst[i] = src[i];\n }\n}\n\nexport default class EditView extends View {\n #oldV;\n #updateCheck;\n\n #checkArrayNeedsUpdate(newV) {\n // It's an array, we need to compare all elements\n // Example, vec2, [r,g,b], ...\n const needUpdate = !arraysEqual(newV, this.#oldV);\n if (needUpdate) {\n copyArrayElementsFromTo(newV, this.#oldV);\n }\n return needUpdate;\n }\n\n #checkTypedArrayNeedsUpdate() {\n let once = true;\n return function checkTypedArrayNeedsUpdateImpl(newV) {\n // It's a typedarray, we need to compare all elements\n // Example: Float32Array([r, g, b])\n let needUpdate = once;\n once = false;\n if (!needUpdate) {\n needUpdate = !arraysEqual(newV, this.#oldV);\n }\n return needUpdate;\n };\n }\n\n #checkObjectNeedsUpdate(newV) {\n let needUpdate = false;\n for (const key in newV) {\n if (newV[key] !== this.#oldV[key]) {\n needUpdate = true;\n this.#oldV[key] = newV[key];\n }\n }\n return needUpdate;\n }\n\n #checkValueNeedsUpdate(newV) {\n const needUpdate = newV !== this.#oldV;\n this.#oldV = newV;\n return needUpdate;\n }\n\n #getUpdateCheckForType(newV) {\n if (Array.isArray(newV)) {\n this.#oldV = [];\n return this.#checkArrayNeedsUpdate.bind(this);\n } else if (isTypedArray(newV)) {\n this.#oldV = new newV.constructor(newV);\n return this.#checkTypedArrayNeedsUpdate(this);\n } else if (typeof newV === 'object') {\n this.#oldV = {};\n return this.#checkObjectNeedsUpdate.bind(this);\n } else {\n return this.#checkValueNeedsUpdate.bind(this);\n }\n }\n\n // The point of this is updating DOM elements\n // is slow but if we've called `listen` then\n // every frame we're going to try to update\n // things with the current value so if nothing\n // has changed then skip it.\n updateDisplayIfNeeded(newV, ignoreCache) {\n this.#updateCheck = this.#updateCheck || this.#getUpdateCheckForType(newV);\n // Note: We call #updateCheck first because it updates\n // the cache\n if (this.#updateCheck(newV) || ignoreCache) {\n this.updateDisplay(newV);\n }\n }\n setOptions(/*options*/) {\n // override this\n return this;\n }\n}\n","import { createElem } from '../libs/elem.js';\nimport EditView from './EditView.js';\n\nexport default class CheckboxView extends EditView {\n #checkboxElem;\n constructor(setter, id) {\n const checkboxElem = createElem('input', {\n type: 'checkbox',\n id,\n onInput: () => {\n setter.setValue(checkboxElem.checked);\n },\n onChange: () => {\n setter.setFinalValue(checkboxElem.checked);\n },\n });\n super(createElem('label', {}, [checkboxElem]));\n this.#checkboxElem = checkboxElem;\n }\n updateDisplay(v) {\n this.#checkboxElem.checked = v;\n }\n}\n","import { removeArrayElem } from './utils.js';\n\nconst tasks = [];\nconst tasksToRemove = new Set();\n\nlet requestId;\nlet processing;\n\nfunction removeTasks() {\n if (!tasksToRemove.size) {\n return;\n }\n\n if (processing) {\n queueProcessing();\n return;\n }\n\n tasksToRemove.forEach(task => {\n removeArrayElem(tasks, task);\n });\n tasksToRemove.clear();\n}\n\nfunction processTasks() {\n requestId = undefined;\n processing = true;\n for (const task of tasks) {\n if (!tasksToRemove.has(task)) {\n task();\n }\n }\n processing = false;\n removeTasks();\n queueProcessing();\n}\n\nfunction queueProcessing() {\n if (!requestId && tasks.length) {\n requestId = requestAnimationFrame(processTasks);\n }\n}\n\nexport function addTask(fn) {\n tasks.push(fn);\n queueProcessing();\n}\n\nexport function removeTask(fn) {\n tasksToRemove.set(fn);\n\n const ndx = tasks.indexOf(fn);\n if (ndx >= 0) {\n tasks.splice(ndx, 1);\n }\n}","let id = 0;\n\nexport function makeId() {\n return `muigui-${++id}`;\n}\n","import { createElem } from '../libs/elem.js';\nimport View from './View.js';\n\nexport default class ValueView extends View {\n constructor(className = '') {\n super(createElem('div', {className: 'muigui-value'}));\n if (className) {\n this.domElement.classList.add(className);\n }\n }\n}","import { createElem } from '../libs/elem.js';\nimport { makeId } from '../libs/ids.js';\nimport ValueView from '../views/ValueView.js';\nimport Controller from './Controller.js';\n\nexport default class LabelController extends Controller {\n #id;\n #nameElem;\n\n constructor(className = '', name = '') {\n super('muigui-label-controller');\n this.#id = makeId();\n this.#nameElem = createElem('label', {for: this.#id});\n this.domElement.appendChild(this.#nameElem);\n this.pushSubView(new ValueView(className));\n this.name(name);\n }\n get id() {\n return this.#id;\n }\n name(name) {\n if (this.#nameElem.title === this.#nameElem.textContent) {\n this.#nameElem.title = name;\n }\n this.#nameElem.textContent = name;\n return this;\n }\n tooltip(tip) {\n this.#nameElem.title = tip;\n }\n}\n\n","import {addTask, removeTask} from '../libs/taskrunner.js';\nimport { isTypedArray } from '../libs/utils.js';\nimport LabelController from './LabelController.js';\n\nexport default class ValueController extends LabelController {\n #object;\n #property;\n #initialValue;\n #listening;\n #views;\n #updateFn;\n\n constructor(object, property, className = '') {\n super(className, property);\n this.#object = object;\n this.#property = property;\n this.#initialValue = this.getValue();\n this.#listening = false;\n this.#views = [];\n }\n get initialValue() {\n return this.#initialValue;\n }\n get object() {\n return this.#object;\n }\n get property() {\n return this.#property;\n }\n add(view) {\n this.#views.push(view);\n super.add(view);\n this.updateDisplay();\n return view;\n }\n #setValueImpl(v, ignoreCache) {\n let isDifferent = false;\n if (typeof v === 'object') {\n const dst = this.#object[this.#property];\n // don't replace objects, just their values.\n if (Array.isArray(v) || isTypedArray(v)) {\n for (let i = 0; i < v.length; ++i) {\n isDifferent ||= dst[i] !== v[i];\n dst[i] = v[i];\n }\n } else {\n for (const key of Object.keys(v)) {\n isDifferent ||= dst[key] !== v[key];\n }\n Object.assign(dst, v);\n }\n } else {\n isDifferent = this.#object[this.#property] !== v;\n this.#object[this.#property] = v;\n }\n this.updateDisplay(ignoreCache);\n if (isDifferent) {\n this.emitChange(this.getValue(), this.#object, this.#property);\n }\n return isDifferent;\n }\n setValue(v) {\n this.#setValueImpl(v);\n }\n setFinalValue(v) {\n const isDifferent = this.#setValueImpl(v, true);\n if (isDifferent) {\n this.emitFinalChange(this.getValue(), this.#object, this.#property);\n }\n return this;\n }\n updateDisplay(ignoreCache) {\n const newV = this.getValue();\n for (const view of this.#views) {\n view.updateDisplayIfNeeded(newV, ignoreCache);\n }\n return this;\n }\n setOptions(options) {\n for (const view of this.#views) {\n view.setOptions(options);\n }\n this.updateDisplay();\n return this;\n }\n getValue() {\n return this.#object[this.#property];\n }\n value(v) {\n this.setValue(v);\n return this;\n }\n reset() {\n this.setValue(this.#initialValue);\n return this;\n }\n listen(listen = true) {\n if (!this.#updateFn) {\n this.#updateFn = this.updateDisplay.bind(this);\n }\n if (listen) {\n if (!this.#listening) {\n this.#listening = true;\n addTask(this.#updateFn);\n }\n } else {\n if (this.#listening) {\n this.#listening = false;\n removeTask(this.#updateFn);\n }\n }\n return this;\n }\n}\n\n","import CheckboxView from '../views/CheckboxView.js';\nimport ValueController from './ValueController.js';\n\nexport default class Checkbox extends ValueController {\n constructor(object, property) {\n super(object, property, 'muigui-checkbox');\n const id = this.id;\n this.add(new CheckboxView(this, id));\n this.updateDisplay();\n }\n}","import {\n makeRangeConverters,\n} from './utils.js';\n\nexport const identity = {\n to: v => v,\n from: v => [true, v],\n};\n\n// from: from string to value\n// to: from value to string\nexport const strToNumber = {\n to: v => v.toString(),\n from: v => {\n const newV = parseFloat(v);\n return [!Number.isNaN(newV), newV];\n },\n};\n\nexport const converters = {\n radToDeg: makeRangeConverters({to: [0, 180], from: [0, Math.PI]}),\n};\n","export function createWheelHelper() {\n let wheelAccum = 0;\n return function (e, step, wheelScale = 5) {\n wheelAccum -= e.deltaY * step / wheelScale;\n const wheelSteps = Math.floor(Math.abs(wheelAccum) / step) * Math.sign(wheelAccum);\n const delta = wheelSteps * step;\n wheelAccum -= delta;\n return delta;\n };\n}\n","import { createElem } from '../libs/elem.js';\nimport { strToNumber } from '../libs/conversions.js';\nimport { createWheelHelper } from '../libs/wheel.js';\nimport { clamp, copyExistingProperties, stepify } from '../libs/utils.js';\nimport EditView from './EditView.js';\n\nexport default class NumberView extends EditView {\n #to;\n #from;\n #step;\n #skipUpdate;\n #options = {\n step: 0.01,\n converters: strToNumber,\n min: Number.NEGATIVE_INFINITY,\n max: Number.POSITIVE_INFINITY,\n };\n\n constructor(setter, options) {\n const setValue = setter.setValue.bind(setter);\n const setFinalValue = setter.setFinalValue.bind(setter);\n const wheelHelper = createWheelHelper();\n super(createElem('input', {\n type: 'number',\n onInput: () => this.#handleInput(setValue, true),\n onChange: () => this.#handleInput(setFinalValue, false),\n onWheel: e => {\n e.preventDefault();\n const {min, max, step} = this.#options;\n const delta = wheelHelper(e, step);\n const v = parseFloat(this.domElement.value);\n const newV = clamp(stepify(v + delta, v => v, step), min, max);\n setter.setValue(newV);\n },\n }));\n this.setOptions(options);\n }\n #handleInput(setFn, skipUpdate) {\n const v = parseFloat(this.domElement.value);\n const [valid, newV] = this.#from(v);\n let inRange;\n if (valid && !Number.isNaN(v)) {\n const {min, max} = this.#options;\n inRange = newV >= min && newV <= max;\n this.#skipUpdate = skipUpdate;\n setFn(clamp(newV, min, max));\n }\n this.domElement.classList.toggle('muigui-invalid-value', !valid || !inRange);\n }\n updateDisplay(v) {\n if (!this.#skipUpdate) {\n this.domElement.value = stepify(v, this.#to, this.#step);\n }\n this.#skipUpdate = false;\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n const {\n step,\n converters: {to, from},\n } = this.#options;\n this.#to = to;\n this.#from = from;\n this.#step = step;\n return this;\n }\n}\n","\nimport NumberView from '../views/NumberView.js';\nimport ValueController from './ValueController.js';\n\n// Wanted to name this `Number` but it conflicts with\n// JavaScript `Number`. It most likely wouldn't be\n// an issue? But users might `import {Number} ...` and\n// things would break.\nexport default class TextNumber extends ValueController {\n #textView;\n #step;\n\n constructor(object, property, options = {}) {\n super(object, property, 'muigui-checkbox');\n this.#textView = this.add(new NumberView(this, options));\n this.updateDisplay();\n }\n}","import { createElem } from '../libs/elem.js';\nimport EditView from './EditView.js';\n\nexport default class SelectView extends EditView {\n #values;\n\n constructor(setter, keyValues) {\n const values = [];\n super(createElem('select', {\n onChange: () => {\n setter.setFinalValue(this.#values[this.domElement.selectedIndex]);\n },\n }, keyValues.map(([key, value]) => {\n values.push(value);\n return createElem('option', {textContent: key});\n })));\n this.#values = values;\n }\n updateDisplay(v) {\n const ndx = this.#values.indexOf(v);\n this.domElement.selectedIndex = ndx;\n }\n}\n","\n// 4 cases\n// (a) keyValues is array of arrays, each sub array is key value\n// (b) keyValues is array and value is number then keys = array contents, value = index\n// (c) keyValues is array and value is not number, key = array contents, value = array contents\n// (d) keyValues is object then key->value\nexport function convertToKeyValues(keyValues, valueIsNumber) {\n if (Array.isArray(keyValues)) {\n if (Array.isArray(keyValues[0])) {\n // (a) keyValues is array of arrays, each sub array is key value\n return keyValues;\n } else {\n if (valueIsNumber) {\n // (b) keyValues is array and value is number then keys = array contents, value = index\n return keyValues.map((v, ndx) => [v, ndx]);\n } else {\n // (c) keyValues is array and value is not number, key = array contents, value = array contents\n return keyValues.map(v => [v, v]);\n }\n }\n } else {\n // (d)\n return [...Object.entries(keyValues)];\n }\n}\n","import SelectView from '../views/SelectView.js';\nimport ValueController from './ValueController.js';\nimport { convertToKeyValues } from '../libs/key-values.js';\n\nexport default class Select extends ValueController {\n constructor(object, property, options) {\n super(object, property, 'muigui-select');\n const valueIsNumber = typeof this.getValue() === 'number';\n const {keyValues: keyValuesInput} = options;\n const keyValues = convertToKeyValues(keyValuesInput, valueIsNumber);\n this.add(new SelectView(this, keyValues));\n this.updateDisplay();\n }\n}","import { createElem } from '../libs/elem.js';\nimport { identity } from '../libs/conversions.js';\nimport { clamp, copyExistingProperties, stepify } from '../libs/utils.js';\nimport { createWheelHelper } from '../libs/wheel.js';\nimport EditView from './EditView.js';\n\nexport default class RangeView extends EditView {\n #to;\n #from;\n #step;\n #skipUpdate;\n #options = {\n step: 0.01,\n min: 0,\n max: 1,\n converters: identity,\n };\n\n constructor(setter, options) {\n const wheelHelper = createWheelHelper();\n super(createElem('input', {\n type: 'range',\n onInput: () => {\n this.#skipUpdate = true;\n const {min, max, step} = this.#options;\n const v = parseFloat(this.domElement.value);\n const newV = clamp(stepify(v, v => v, step), min, max);\n const [valid, validV] = this.#from(newV);\n if (valid) {\n setter.setValue(validV);\n }\n },\n onChange: () => {\n this.#skipUpdate = true;\n const {min, max, step} = this.#options;\n const v = parseFloat(this.domElement.value);\n const newV = clamp(stepify(v, v => v, step), min, max);\n const [valid, validV] = this.#from(newV);\n if (valid) {\n setter.setFinalValue(validV);\n }\n },\n onWheel: e => {\n e.preventDefault();\n const [valid, v] = this.#from(parseFloat(this.domElement.value));\n if (!valid) {\n return;\n }\n const {min, max, step} = this.#options;\n const delta = wheelHelper(e, step);\n const newV = clamp(stepify(v + delta, v => v, step), min, max);\n setter.setValue(newV);\n },\n }));\n this.setOptions(options);\n }\n updateDisplay(v) {\n if (!this.#skipUpdate) {\n this.domElement.value = stepify(v, this.#to, this.#step);\n }\n this.#skipUpdate = false;\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n const {\n step,\n min,\n max,\n converters: {to, from},\n } = this.#options;\n this.#to = to;\n this.#from = from;\n this.#step = step;\n this.domElement.step = step;\n this.domElement.min = min;\n this.domElement.max = max;\n return this;\n }\n}","import ValueController from './ValueController.js';\nimport NumberView from '../views/NumberView.js';\nimport RangeView from '../views/RangeView.js';\n\nexport default class Range extends ValueController {\n constructor(object, property, options) {\n super(object, property, 'muigui-range');\n this.add(new RangeView(this, options));\n this.add(new NumberView(this, options));\n }\n}\n","import { createElem } from '../libs/elem.js';\nimport { identity } from '../libs/conversions.js';\nimport EditView from './EditView.js';\nimport { copyExistingProperties } from '../libs/utils.js';\n\nexport default class TextView extends EditView {\n #to;\n #from;\n #skipUpdate;\n #options = {\n converters: identity,\n };\n\n constructor(setter, options) {\n const setValue = setter.setValue.bind(setter);\n const setFinalValue = setter.setFinalValue.bind(setter);\n super(createElem('input', {\n type: 'text',\n onInput: () => this.#handleInput(setValue, true),\n onChange: () => this.#handleInput(setFinalValue, false),\n }));\n this.setOptions(options);\n }\n #handleInput(setFn, skipUpdate) {\n const [valid, newV] = this.#from(this.domElement.value);\n if (valid) {\n this.#skipUpdate = skipUpdate;\n setFn(newV);\n }\n this.domElement.style.color = valid ? '' : 'var(--invalid-color)';\n\n }\n updateDisplay(v) {\n if (!this.#skipUpdate) {\n this.domElement.value = this.#to(v);\n this.domElement.style.color = '';\n }\n this.#skipUpdate = false;\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n const {\n converters: {to, from},\n } = this.#options;\n this.#to = to;\n this.#from = from;\n return this;\n }\n}\n","import TextView from '../views/TextView.js';\nimport ValueController from './ValueController.js';\n\nexport default class Text extends ValueController {\n constructor(object, property) {\n super(object, property, 'muigui-checkbox');\n this.add(new TextView(this));\n this.updateDisplay();\n }\n}","import Button from './Button.js';\nimport Checkbox from './Checkbox.js';\nimport TextNumber from './TextNumber.js';\nimport Select from './Select.js';\nimport Range from './Range.js';\nimport Text from './Text.js';\n\n// const isConversion = o => typeof o.to === 'function' && typeof o.from === 'function';\n\n/**\n * possible inputs\n * add(o, p, min: number, max: number)\n * add(o, p, min: number, max: number, step: number)\n * add(o, p, array: [value])\n * add(o, p, array: [[key, value]])\n *\n * @param {*} object\n * @param {string} property\n * @param {...any} args\n * @returns {Controller}\n */\nexport function createController(object, property, ...args) {\n const [arg1] = args;\n if (Array.isArray(arg1)) {\n return new Select(object, property, {keyValues: arg1});\n }\n\n const t = typeof object[property];\n switch (t) {\n case 'number':\n if (typeof args[0] === 'number' && typeof args[1] === 'number') {\n const min = args[0];\n const max = args[1];\n const step = args[2];\n return new Range(object, property, {min, max, ...(step && {step})});\n }\n return args.length === 0\n ? new TextNumber(object, property, ...args)\n : new Range(object, property, ...args);\n case 'boolean':\n return new Checkbox(object, property, ...args);\n case 'function':\n return new Button(object, property, ...args);\n case 'string':\n return new Text(object, property, ...args);\n case 'undefined':\n throw new Error(`no property named ${property}`);\n default:\n throw new Error(`unhandled type ${t} for property ${property}`);\n }\n}","const clamp = (v, min, max) => Math.max(min, Math.min(max, v));\nconst lerp = (a, b, t) => a + (b - a) * t;\nconst fract = v => v >= 0 ? v % 1 : 1 - (v % 1);\n\nconst f0 = v => +v.toFixed(0); // converts to string (eg 1.2 => \"1\"), then converts back to number (eg, \"1.200\" => 1.2)\nconst f3 = v => +v.toFixed(3); // converts to string (eg 1.2 => \"1.200\"), then converts back to number (eg, \"1.200\" => 1.2)\n\nconst hexToUint32RGB = v => (parseInt(v.substring(1, 3), 16) << 16) |\n (parseInt(v.substring(3, 5), 16) << 8 ) |\n (parseInt(v.substring(5, 7), 16) );\nconst uint32RGBToHex = v => `#${(Math.round(v)).toString(16).padStart(6, '0')}`;\nconst hexToUint32RGBA = v => (parseInt(v.substring(1, 3), 16) * 2 ** 24) +\n (parseInt(v.substring(3, 5), 16) * 2 ** 16) +\n (parseInt(v.substring(5, 7), 16) * 2 ** 8) +\n (parseInt(v.substring(7, 9), 16) );\nconst uint32RGBAToHex = v => `#${(Math.round(v)).toString(16).padStart(8, '0')}`;\n\nexport const hexToUint8RGB = v => [\n parseInt(v.substring(1, 3), 16),\n parseInt(v.substring(3, 5), 16),\n parseInt(v.substring(5, 7), 16),\n];\nexport const uint8RGBToHex = v => `#${Array.from(v).map(v => v.toString(16).padStart(2, '0')).join('')}`;\n\nexport const hexToUint8RGBA = v => [\n parseInt(v.substring(1, 3), 16),\n parseInt(v.substring(3, 5), 16),\n parseInt(v.substring(5, 7), 16),\n parseInt(v.substring(7, 9), 16),\n];\nexport const uint8RGBAToHex = v => `#${Array.from(v).map(v => v.toString(16).padStart(2, '0')).join('')}`;\n\nexport const hexToFloatRGB = v => hexToUint8RGB(v).map(v => f3(v / 255));\nexport const floatRGBToHex = v => uint8RGBToHex(Array.from(v).map(v => Math.round(clamp(v * 255, 0, 255))));\n\nexport const hexToFloatRGBA = v => hexToUint8RGBA(v).map(v => f3(v / 255));\nexport const floatRGBAToHex = v => uint8RGBAToHex(Array.from(v).map(v => Math.round(clamp(v * 255, 0, 255))));\n\nconst scaleAndClamp = v => clamp(Math.round(v * 255), 0, 255).toString(16).padStart(2, '0');\n\nconst hexToObjectRGB = v => ({\n r: parseInt(v.substring(1, 3), 16) / 255,\n g: parseInt(v.substring(3, 5), 16) / 255,\n b: parseInt(v.substring(5, 7), 16) / 255,\n});\nconst objectRGBToHex = v => `#${scaleAndClamp(v.r)}${scaleAndClamp(v.g)}${scaleAndClamp(v.b)}`;\nconst hexToObjectRGBA = v => ({\n r: parseInt(v.substring(1, 3), 16) / 255,\n g: parseInt(v.substring(3, 5), 16) / 255,\n b: parseInt(v.substring(5, 7), 16) / 255,\n a: parseInt(v.substring(7, 9), 16) / 255,\n});\nconst objectRGBAToHex = v => `#${scaleAndClamp(v.r)}${scaleAndClamp(v.g)}${scaleAndClamp(v.b)}${scaleAndClamp(v.a)}`;\n\nconst hexToCssRGB = v => `rgb(${hexToUint8RGB(v).join(', ')})`;\nconst cssRGBRegex = /^\\s*rgb\\(\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*\\)\\s*$/;\nconst cssRGBToHex = v => {\n const m = cssRGBRegex.exec(v);\n return uint8RGBToHex([m[1], m[2], m[3]].map(v => parseInt(v)));\n};\nconst hexToCssRGBA = v => `rgba(${hexToUint8RGBA(v).map((v, i) => i === 3 ? v / 255 : v).join(', ')})`;\nconst cssRGBARegex = /^\\s*rgba\\(\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+\\.\\d+|\\d+)\\s*\\)\\s*$/;\nconst cssRGBAToHex = v => {\n const m = cssRGBARegex.exec(v);\n return uint8RGBAToHex([m[1], m[2], m[3], m[4]].map((v, i) => i === 3 ? (parseFloat(v) * 255 | 0) : parseInt(v)));\n};\n\nconst hexToCssHSL = v => {\n const hsl = rgbUint8ToHsl(hexToUint8RGB(v)).map(v => f0(v));\n return `hsl(${hsl[0]}, ${hsl[1]}%, ${hsl[2]}%)`;\n};\nconst hexToCssHSLA = v => {\n const hsla = rgbaUint8ToHsla(hexToUint8RGBA(v)).map((v, i) => i === 3 ? f3(v) : f0(v));\n return `hsl(${hsla[0]} ${hsla[1]}% ${hsla[2]}% / ${hsla[3]})`;\n};\nconst cssHSLRegex = /^\\s*hsl\\(\\s*(\\d+)(?:deg|)\\s*(?:,|)\\s*(\\d+)%\\s*(?:,|)\\s*(\\d+)%\\s*\\)\\s*$/;\nconst cssHSLARegex = /^\\s*hsl\\(\\s*(\\d+)(?:deg|)\\s*(?:,|)\\s*(\\d+)%\\s*(?:,|)\\s*(\\d+)%\\s*\\/\\s*(\\d+\\.\\d+|\\d+)\\s*\\)\\s*$/;\n\nconst hex3DigitTo6Digit = v => `${v[0]}${v[0]}${v[1]}${v[1]}${v[2]}${v[2]}`;\nconst cssHSLToHex = v => {\n const m = cssHSLRegex.exec(v);\n const rgb = hslToRgbUint8([m[1], m[2], m[3]].map(v => parseFloat(v)));\n return uint8RGBToHex(rgb);\n};\nconst cssHSLAToHex = v => {\n const m = cssHSLARegex.exec(v);\n const rgba = hslaToRgbaUint8([m[1], m[2], m[3], m[4]].map(v => parseFloat(v)));\n return uint8RGBAToHex(rgba);\n};\n\nconst euclideanModulo = (v, n) => ((v % n) + n) % n;\n\nexport function hslToRgbUint8([h, s, l]) {\n h = euclideanModulo(h, 360);\n s = clamp(s / 100, 0, 1);\n l = clamp(l / 100, 0, 1);\n\n const a = s * Math.min(l, 1 - l);\n\n function f(n) {\n const k = (n + h / 30) % 12;\n return l - a * Math.max(-1, Math.min(k - 3, 9 - k, 1));\n }\n\n return [f(0), f(8), f(4)].map(v => Math.round(v * 255));\n}\n\nexport function hslaToRgbaUint8([h, s, l, a]) {\n const rgb = hslToRgbUint8([h, s, l]);\n return [...rgb, a * 255 | 0];\n}\n\nexport function rgbFloatToHsl01([r, g, b]) {\n const max = Math.max(r, g, b);\n const min = Math.min(r, g, b);\n const l = (min + max) * 0.5;\n const d = max - min;\n let h = 0;\n let s = 0;\n\n if (d !== 0) {\n s = (l === 0 || l === 1)\n ? 0\n : (max - l) / Math.min(l, 1 - l);\n\n switch (max) {\n case r: h = (g - b) / d + (g < b ? 6 : 0); break;\n case g: h = (b - r) / d + 2; break;\n case b: h = (r - g) / d + 4;\n }\n }\n\n return [h / 6, s, l];\n}\n\nexport function rgbaFloatToHsla01([r, g, b, a]) {\n const hsl = rgbFloatToHsl01([r, g, b]);\n return [...hsl, a];\n}\n\nexport const rgbUint8ToHsl = (rgb) => {\n const [h, s, l] = rgbFloatToHsl01(rgb.map(v => v / 255));\n return [h * 360, s * 100, l * 100];\n};\n\nexport const rgbaUint8ToHsla = (rgba) => {\n const [h, s, l, a] = rgbaFloatToHsla01(rgba.map(v => v / 255));\n return [h * 360, s * 100, l * 100, a];\n};\n\nexport function hsv01ToRGBFloat([hue, sat, val]) {\n sat = clamp(sat, 0, 1);\n val = clamp(val, 0, 1);\n return [hue, hue + 2 / 3, hue + 1 / 3].map(\n v => lerp(1, clamp(Math.abs(fract(v) * 6 - 3.0) - 1, 0, 1), sat) * val\n );\n}\n\nexport function hsva01ToRGBAFloat([hue, sat, val, alpha]) {\n const rgb = hsv01ToRGBFloat([hue, sat, val]);\n return [...rgb, alpha];\n}\n\nconst round3 = v => Math.round(v * 1000) / 1000;\n\nexport function rgbFloatToHSV01([r, g, b]) {\n const p = b > g\n ? [b, g, -1, 2 / 3]\n : [g, b, 0, -1 / 3];\n const q = p[0] > r\n ? [p[0], p[1], p[3], r]\n : [r, p[1], p[2], p[0]];\n const d = q[0] - Math.min(q[3], q[1]);\n return [\n Math.abs(q[2] + (q[3] - q[1]) / (6 * d + Number.EPSILON)),\n d / (q[0] + Number.EPSILON),\n q[0],\n ].map(round3);\n}\n\nexport function rgbaFloatToHSVA01([r, g, b, a]) {\n const hsv = rgbFloatToHSV01([r, g, b]);\n return [...hsv, a];\n}\n\n// window.hsv01ToRGBFloat = hsv01ToRGBFloat;\n// window.rgbFloatToHSV01 = rgbFloatToHSV01;\n\n// Yea, meh!\nexport const hasAlpha = format => format.endsWith('a') || format.startsWith('hex8');\n\nconst cssStringFormats = [\n { re: /^#(?:[0-9a-f]){6}$/i, format: 'hex6' },\n { re: /^(?:[0-9a-f]){6}$/i, format: 'hex6-no-hash' },\n { re: /^#(?:[0-9a-f]){8}$/i, format: 'hex8' },\n { re: /^(?:[0-9a-f]){8}$/i, format: 'hex8-no-hash' },\n { re: /^#(?:[0-9a-f]){3}$/i, format: 'hex3' },\n { re: /^(?:[0-9a-f]){3}$/i, format: 'hex3-no-hash' },\n { re: cssRGBRegex, format: 'css-rgb' },\n { re: cssHSLRegex, format: 'css-hsl' },\n { re: cssRGBARegex, format: 'css-rgba' },\n { re: cssHSLARegex, format: 'css-hsla' },\n];\n\nfunction guessStringColorFormat(v) {\n for (const formatInfo of cssStringFormats) {\n if (formatInfo.re.test(v)) {\n return formatInfo;\n }\n }\n return undefined;\n}\n\nexport function guessFormat(v) {\n switch (typeof v) {\n case 'number':\n console.warn('can not reliably guess format based on a number. You should pass in a format like {format: \"uint32-rgb\"} or {format: \"uint32-rgb\"}');\n return v <= 0xFFFFFF ? 'uint32-rgb' : 'uint32-rgba';\n case 'string': {\n const formatInfo = guessStringColorFormat(v.trim());\n if (formatInfo) {\n return formatInfo.format;\n }\n break;\n }\n case 'object':\n if (v instanceof Uint8Array || v instanceof Uint8ClampedArray) {\n if (v.length === 3) {\n return 'uint8-rgb';\n } else if (v.length === 4) {\n return 'uint8-rgba';\n }\n } else if (v instanceof Float32Array) {\n if (v.length === 3) {\n return 'float-rgb';\n } else if (v.length === 4) {\n return 'float-rgba';\n }\n } else if (Array.isArray(v)) {\n if (v.length === 3) {\n return 'float-rgb';\n } else if (v.length === 4) {\n return 'float-rgba';\n }\n } else {\n if ('r' in v && 'g' in v && 'b' in v) {\n if ('a' in v) {\n return 'object-rgba';\n } else {\n return 'object-rgb';\n }\n }\n }\n }\n throw new Error(`unknown color format: ${v}`);\n}\n\nfunction fixHex6(v) {\n return v.trim(v);\n //const formatInfo = guessStringColorFormat(v.trim());\n //const fix = formatInfo ? formatInfo.fix : v => v;\n //return fix(v.trim());\n}\n\nfunction fixHex8(v) {\n return v.trim(v);\n //const formatInfo = guessStringColorFormat(v.trim());\n //const fix = formatInfo ? formatInfo.fix : v => v;\n //return fix(v.trim());\n}\n\nfunction hex6ToHex3(hex6) {\n return (hex6[1] === hex6[2] &&\n hex6[3] === hex6[4] &&\n hex6[5] === hex6[6])\n ? `#${hex6[1]}${hex6[3]}${hex6[5]}`\n : hex6;\n}\n\nconst hex3RE = /^(#|)([0-9a-f]{3})$/i;\nfunction hex3ToHex6(hex3) {\n const m = hex3RE.exec(hex3);\n if (m) {\n const [, , m2] = m;\n return `#${hex3DigitTo6Digit(m2)}`;\n }\n return hex3;\n}\n\nfunction fixHex3(v) {\n return hex6ToHex3(fixHex6(v));\n}\n\nconst strToRGBObject = (s) => {\n try {\n const json = s.replace(/([a-z])/g, '\"$1\"');\n const rgb = JSON.parse(json);\n if (Number.isNaN(rgb.r) || Number.isNaN(rgb.g) || Number.isNaN(rgb.b)) {\n throw new Error('not {r, g, b}');\n }\n return [true, rgb];\n } catch (e) {\n return [false];\n }\n};\n\nconst strToRGBAObject = (s) => {\n try {\n const json = s.replace(/([a-z])/g, '\"$1\"');\n const rgba = JSON.parse(json);\n if (Number.isNaN(rgba.r) || Number.isNaN(rgba.g) || Number.isNaN(rgba.b) || Number.isNaN(rgba.a)) {\n throw new Error('not {r, g, b, a}');\n }\n return [true, rgba];\n } catch (e) {\n return [false];\n }\n};\n\nconst strToCssRGB = s => {\n const m = cssRGBRegex.exec(s);\n if (!m) {\n return [false];\n }\n const v = [m[1], m[2], m[3]].map(v => parseInt(v));\n const outOfRange = v.find(v => v > 255);\n return [!outOfRange, `rgb(${v.join(', ')})`];\n};\n\nconst strToCssRGBA = s => {\n const m = cssRGBARegex.exec(s);\n if (!m) {\n return [false];\n }\n const v = [m[1], m[2], m[3], m[4]].map((v, i) => i === 3 ? parseFloat(v) : parseInt(v));\n const outOfRange = v.find(v => v > 255);\n return [!outOfRange, `rgba(${v.join(', ')})`];\n};\n\nconst strToCssHSL = s => {\n const m = cssHSLRegex.exec(s);\n if (!m) {\n return [false];\n }\n const v = [m[1], m[2], m[3]].map(v => parseFloat(v));\n const outOfRange = v.find(v => Number.isNaN(v));\n return [!outOfRange, `hsl(${v[0]}, ${v[1]}%, ${v[2]}%)`];\n};\n\nconst strToCssHSLA = s => {\n const m = cssHSLARegex.exec(s);\n if (!m) {\n return [false];\n }\n const v = [m[1], m[2], m[3], m[4]].map(v => parseFloat(v));\n const outOfRange = v.find(v => Number.isNaN(v));\n return [!outOfRange, `hsl(${v[0]} ${v[1]}% ${v[2]}% / ${v[3]})`];\n};\n\nconst rgbObjectToStr = rgb => {\n return `{r:${f3(rgb.r)}, g:${f3(rgb.g)}, b:${f3(rgb.b)}}`;\n};\nconst rgbaObjectToStr = rgba => {\n return `{r:${f3(rgba.r)}, g:${f3(rgba.g)}, b:${f3(rgba.b)}}, a:${f3(rgba.a)}}`;\n};\n\nconst strTo3IntsRE = /^\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*$/;\nconst strTo3Ints = s => {\n const m = strTo3IntsRE.exec(s);\n if (!m) {\n return [false];\n }\n const v = [m[1], m[2], m[3]].map(v => parseInt(v));\n const outOfRange = v.find(v => v > 255);\n return [!outOfRange, v];\n};\n\nconst strTo4IntsRE = /^\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*$/;\nconst strTo4Ints = s => {\n const m = strTo4IntsRE.exec(s);\n if (!m) {\n return [false];\n }\n const v = [m[1], m[2], m[3], m[4]].map(v => parseInt(v));\n const outOfRange = v.find(v => v > 255);\n return [!outOfRange, v];\n};\n\nconst strTo3Floats = s => {\n const numbers = s.split(',').map(s => s.trim());\n const v = numbers.map(v => parseFloat(v));\n if (v.length !== 3) {\n return [false];\n }\n // Note: using isNaN not Number.isNaN\n const badNdx = numbers.findIndex(v => isNaN(v));\n return [badNdx < 0, v.map(v => f3(v))];\n};\n\nconst strTo4Floats = s => {\n const numbers = s.split(',').map(s => s.trim());\n const v = numbers.map(v => parseFloat(v));\n if (v.length !== 4) {\n return [false];\n }\n // Note: using isNaN not Number.isNaN\n const badNdx = numbers.findIndex(v => isNaN(v));\n return [badNdx < 0, v.map(v => f3(v))];\n};\n\nconst strToUint32RGBRegex = /^\\s*(?:0x){0,1}([0-9a-z]{1,6})\\s*$/i;\nconst strToUint32RGB = s => {\n const m = strToUint32RGBRegex.exec(s);\n if (!m) {\n return [false];\n }\n return [true, parseInt(m[1], 16)];\n};\n\nconst strToUint32RGBARegex = /^\\s*(?:0x){0,1}([0-9a-z]{1,8})\\s*$/i;\nconst strToUint32RGBA = s => {\n const m = strToUint32RGBARegex.exec(s);\n if (!m) {\n return [false];\n }\n return [true, parseInt(m[1], 16)];\n};\n\nconst hex6RE = /^\\s*#[a-f0-9]{6}\\s*$|^\\s*#[a-f0-9]{3}\\s*$/i;\nconst hexNoHash6RE = /^\\s*[a-f0-9]{6}\\s*$/i;\nconst hex8RE = /^\\s*#[a-f0-9]{8}\\s*$/i;\nconst hexNoHash8RE = /^\\s*[a-f0-9]{8}\\s*$/i;\n\n// For each format converter\n//\n// fromHex/toHex convert from/to '#RRGGBB'\n//\n// fromHex converts from the string '#RRBBGG' to the format\n// (eg: for uint32-rgb, '#123456' becomes 0x123456)\n//\n// toHex converts from the format to '#RRGGBB'\n// (eg: for uint8-rgb, [16, 33, 50] becomes '#102132')\n//\n//\n// fromStr/toStr convert from/to what's in the input[type=text] element\n//\n// toStr converts from the format to its string representation\n// (eg, for object-rgb, {r: 1, g: 0.5, b:0} becomes \"{r: 1, g: 0.5, b:0}\")\n// ^object ^string\n//\n// fromStr converts its string representation to its format\n// (eg, for object-rgb) \"{r: 1, g: 0.5, b:0}\" becomes {r: 1, g: 0.5, b:0})\n// ^string ^object\n// fromString returns an array which is [valid, v]\n// where valid is true if the string was a valid and v is the converted\n// format if v is true.\n//\n// Note: toStr should convert to \"ideal\" form (whatever that is).\n// (eg, for css-rgb\n// \"{ r: 0.10000, g: 001, b: 0}\" becomes \"{r: 0.1, g: 1, b: 0}\"\n// notice that css-rgb is a string to a string\n// )\nexport const colorFormatConverters = {\n 'hex6': {\n color: {\n from: v => [true, v],\n to: fixHex6,\n },\n text: {\n from: v => [hex6RE.test(v), v.trim()],\n to: v => v,\n },\n },\n 'hex8': {\n color: {\n from: v => [true, v],\n to: fixHex8,\n },\n text: {\n from: v => [hex8RE.test(v), v.trim()],\n to: v => v,\n },\n },\n 'hex3': {\n color: {\n from: v => [true, fixHex3(v)],\n to: hex3ToHex6,\n },\n text: {\n from: v => [hex6RE.test(v), hex6ToHex3(v.trim())],\n to: v => v,\n },\n },\n 'hex6-no-hash': {\n color: {\n from: v => [true, v.substring(1)],\n to: v => `#${fixHex6(v)}`,\n },\n text: {\n from: v => [hexNoHash6RE.test(v), v.trim()],\n to: v => v,\n },\n },\n 'hex8-no-hash': {\n color: {\n from: v => [true, v.substring(1)],\n to: v => `#${fixHex8(v)}`,\n },\n text: {\n from: v => [hexNoHash8RE.test(v), v.trim()],\n to: v => v,\n },\n },\n 'hex3-no-hash': {\n color: {\n from: v => [true, fixHex3(v).substring(1)],\n to: hex3ToHex6,\n },\n text: {\n from: v => [hexNoHash6RE.test(v), hex6ToHex3(v.trim())],\n to: v => v,\n },\n },\n 'uint32-rgb': {\n color: {\n from: v => [true, hexToUint32RGB(v)],\n to: uint32RGBToHex,\n },\n text: {\n from: v => strToUint32RGB(v),\n to: v => `0x${v.toString(16).padStart(6, '0')}`,\n },\n },\n 'uint32-rgba': {\n color: {\n from: v => [true, hexToUint32RGBA(v)],\n to: uint32RGBAToHex,\n },\n text: {\n from: v => strToUint32RGBA(v),\n to: v => `0x${v.toString(16).padStart(8, '0')}`,\n },\n },\n 'uint8-rgb': {\n color: {\n from: v => [true, hexToUint8RGB(v)],\n to: uint8RGBToHex,\n },\n text: {\n from: strTo3Ints,\n to: v => v.join(', '),\n },\n },\n 'uint8-rgba': {\n color: {\n from: v => [true, hexToUint8RGBA(v)],\n to: uint8RGBAToHex,\n },\n text: {\n from: strTo4Ints,\n to: v => v.join(', '),\n },\n },\n 'float-rgb': {\n color: {\n from: v => [true, hexToFloatRGB(v)],\n to: floatRGBToHex,\n },\n text: {\n from: strTo3Floats,\n // need Array.from because map of Float32Array makes a Float32Array\n to: v => Array.from(v).map(v => f3(v)).join(', '),\n },\n },\n 'float-rgba': {\n color: {\n from: v => [true, hexToFloatRGBA(v)],\n to: floatRGBAToHex,\n },\n text: {\n from: strTo4Floats,\n // need Array.from because map of Float32Array makes a Float32Array\n to: v => Array.from(v).map(v => f3(v)).join(', '),\n },\n },\n 'object-rgb': {\n color: {\n from: v => [true, hexToObjectRGB(v)],\n to: objectRGBToHex,\n },\n text: {\n from: strToRGBObject,\n to: rgbObjectToStr,\n },\n },\n 'object-rgba': {\n color: {\n from: v => [true, hexToObjectRGBA(v)],\n to: objectRGBAToHex,\n },\n text: {\n from: strToRGBAObject,\n to: rgbaObjectToStr,\n },\n },\n 'css-rgb': {\n color: {\n from: v => [true, hexToCssRGB(v)],\n to: cssRGBToHex,\n },\n text: {\n from: strToCssRGB,\n to: v => strToCssRGB(v)[1],\n },\n },\n 'css-rgba': {\n color: {\n from: v => [true, hexToCssRGBA(v)],\n to: cssRGBAToHex,\n },\n text: {\n from: strToCssRGBA,\n to: v => strToCssRGBA(v)[1],\n },\n },\n 'css-hsl': {\n color: {\n from: v => [true, hexToCssHSL(v)],\n to: cssHSLToHex,\n },\n text: {\n from: strToCssHSL,\n to: v => strToCssHSL(v)[1],\n },\n },\n 'css-hsla': {\n color: {\n from: v => [true, hexToCssHSLA(v)],\n to: cssHSLAToHex,\n },\n text: {\n from: strToCssHSLA,\n to: v => strToCssHSLA(v)[1],\n },\n },\n};","import { createElem } from '../libs/elem.js';\nimport View from './View.js';\n\nexport default class ElementView extends View {\n constructor(tag, className) {\n super(createElem(tag, {className}));\n }\n}","import ElementView from '../views/ElementView.js';\nimport LabelController from './LabelController.js';\n\n// TODO: remove this? Should just be user side\nexport default class Canvas extends LabelController {\n #canvasElem;\n\n constructor() {\n super('muigui-canvas');\n this.#canvasElem = this.add(\n new ElementView('canvas', 'muigui-canvas'),\n ).domElement;\n }\n get canvas() {\n return this.#canvasElem;\n }\n}","import { createElem } from '../libs/elem.js';\nimport { identity } from '../libs/conversions.js';\nimport EditView from './EditView.js';\nimport { copyExistingProperties } from '../libs/utils.js';\n\nexport default class ColorView extends EditView {\n #to;\n #from;\n #colorElem;\n #skipUpdate;\n #options = {\n converters: identity,\n };\n\n constructor(setter, options) {\n const colorElem = createElem('input', {\n type: 'color',\n onInput: () => {\n const [valid, newV] = this.#from(colorElem.value);\n if (valid) {\n this.#skipUpdate = true;\n setter.setValue(newV);\n }\n },\n onChange: () => {\n const [valid, newV] = this.#from(colorElem.value);\n if (valid) {\n this.#skipUpdate = true;\n setter.setFinalValue(newV);\n }\n },\n });\n super(createElem('div', {}, [colorElem]));\n this.setOptions(options);\n this.#colorElem = colorElem;\n }\n updateDisplay(v) {\n if (!this.#skipUpdate) {\n this.#colorElem.value = this.#to(v);\n }\n this.#skipUpdate = false;\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n const {converters: {to, from}} = this.#options;\n this.#to = to;\n this.#from = from;\n return this;\n }\n}\n","import {\n colorFormatConverters,\n guessFormat,\n} from '../libs/color-utils.js';\nimport ValueController from './ValueController.js';\nimport TextView from '../views/TextView.js';\nimport ColorView from '../views/ColorView.js';\n\nexport default class Color extends ValueController {\n #colorView;\n #textView;\n\n constructor(object, property, options = {}) {\n super(object, property, 'muigui-color');\n const format = options.format || guessFormat(this.getValue());\n const {color, text} = colorFormatConverters[format];\n this.#colorView = this.add(new ColorView(this, {converters: color}));\n this.#textView = this.add(new TextView(this, {converters: text}));\n this.updateDisplay();\n }\n setOptions(options) {\n const {format} = options;\n if (format) {\n const {color, text} = colorFormatConverters[format];\n this.#colorView.setOptions({converters: color});\n this.#textView.setOptions({converters: text});\n }\n super.setOptions(options);\n return this;\n }\n}","import Controller from './Controller.js';\n\n// This feels like it should be something else like\n// gui.addController({className: 'muigui-divider')};\nexport default class Divider extends Controller {\n constructor() {\n super('muigui-divider');\n }\n}","import Controller from './Controller.js';\n\nexport default class Container extends Controller {\n #controllers;\n #childDestController;\n\n constructor(className) {\n super(className);\n this.#controllers = [];\n this.#childDestController = this;\n }\n get children() {\n return this.#controllers; // should we return a copy?\n }\n get controllers() {\n return this.#controllers.filter(c => !(c instanceof Container));\n }\n get folders() {\n return this.#controllers.filter(c => c instanceof Container);\n }\n reset(recursive = true) {\n for (const controller of this.#controllers) {\n if (!(controller instanceof Container) || recursive) {\n controller.reset(recursive);\n }\n }\n return this;\n }\n updateDisplay() {\n for (const controller of this.#controllers) {\n controller.updateDisplay();\n }\n return this;\n }\n remove(controller) {\n const ndx = this.#controllers.indexOf(controller);\n if (ndx >= 0) {\n const c = this.#controllers.splice(ndx, 1);\n const c0 = c[0];\n const elem = c0.domElement;\n elem.remove();\n c0.setParent(null);\n }\n return this;\n }\n #addControllerImpl(controller) {\n this.domElement.appendChild(controller.domElement);\n this.#controllers.push(controller);\n controller.setParent(this);\n return controller;\n }\n addController(controller) {\n return this.#childDestController.#addControllerImpl(controller);\n }\n pushContainer(container) {\n this.addController(container);\n this.#childDestController = container;\n return container;\n }\n popContainer() {\n this.#childDestController = this.#childDestController.parent;\n return this;\n }\n}\n","import { createElem } from '../libs/elem.js';\nimport Container from './Container.js';\n\nexport default class Folder extends Container {\n #labelElem;\n\n constructor(name = 'Controls', className = 'muigui-menu') {\n super(className);\n this.#labelElem = createElem('label');\n this.addElem(createElem('button', {\n type: 'button',\n onClick: () => this.toggleOpen(),\n }, [this.#labelElem]));\n this.pushContainer(new Container());\n this.name(name);\n this.open();\n }\n open(open = true) {\n this.domElement.classList.toggle('muigui-closed', !open);\n this.domElement.classList.toggle('muigui-open', open);\n return this;\n }\n close() {\n return this.open(false);\n }\n name(name) {\n this.#labelElem.textContent = name;\n return this;\n }\n title(title) {\n return this.name(title);\n }\n toggleOpen() {\n this.open(!this.domElement.classList.contains('muigui-open'));\n return this;\n }\n}\n","import Controller from './Controller.js';\n\n// This feels like it should be something else like\n// gui.addDividing = new Controller()\nexport default class Label extends Controller {\n constructor(text) {\n super('muigui-label');\n this.text(text);\n }\n text(text) {\n this.domElement.textContent = text;\n return this;\n }\n}","function noop() {\n}\n\nexport function computeRelativePosition(elem, event, start) {\n const rect = elem.getBoundingClientRect();\n const x = event.clientX - rect.left;\n const y = event.clientY - rect.top;\n const nx = x / rect.width;\n const ny = y / rect.height;\n start = start || [x, y];\n const dx = x - start[0];\n const dy = y - start[1];\n const ndx = dx / rect.width;\n const ndy = dy / rect.width;\n return {x, y, nx, ny, dx, dy, ndx, ndy};\n}\n\nexport function addTouchEvents(elem, {onDown = noop, onMove = noop, onUp = noop}) {\n let start;\n const pointerMove = function (event) {\n const e = {\n type: 'move',\n ...computeRelativePosition(elem, event, start),\n };\n onMove(e);\n };\n\n const pointerUp = function (event) {\n elem.releasePointerCapture(event.pointerId);\n elem.removeEventListener('pointermove', pointerMove);\n elem.removeEventListener('pointerup', pointerUp);\n\n document.body.style.backgroundColor = '';\n\n onUp('up');\n };\n\n const pointerDown = function (event) {\n elem.addEventListener('pointermove', pointerMove);\n elem.addEventListener('pointerup', pointerUp);\n elem.setPointerCapture(event.pointerId);\n\n const rel = computeRelativePosition(elem, event);\n start = [rel.x, rel.y];\n onDown({\n type: 'down',\n ...rel,\n });\n };\n\n elem.addEventListener('pointerdown', pointerDown);\n\n return function () {\n elem.removeEventListener('pointerdown', pointerDown);\n };\n}","import { createElem, getNewId } from '../libs/elem.js';\nimport { addTouchEvents } from '../libs/touch.js';\nimport { identity } from '../libs/conversions.js';\nimport { clamp } from '../libs/utils.js';\nimport EditView from './EditView.js';\nimport {\n hexToFloatRGB,\n hexToFloatRGBA,\n hsv01ToRGBFloat,\n hsva01ToRGBAFloat,\n rgbFloatToHSV01,\n rgbaFloatToHSVA01,\n floatRGBToHex,\n floatRGBAToHex,\n rgbaFloatToHsla01,\n} from '../libs/color-utils.js';\nimport { copyExistingProperties } from '../libs/utils.js';\n\nconst svg = `\n\n \n \n \n \n \n \n \n \n\n \n \n \n\n\n \n \n \n \n \n \n \n \n \n \n \n \n \n\n\n \n \n \n \n \n \n \n \n\n`;\n\nfunction connectFillTargets(elem) {\n elem.querySelectorAll('[data-src]').forEach(srcElem => {\n const id = getNewId();\n srcElem.id = id;\n elem.querySelectorAll(`[data-target=${srcElem.dataset.src}]`).forEach(targetElem => {\n targetElem.setAttribute('fill', `url(#${id})`);\n });\n });\n return elem;\n}\n\n// Was originally going to make alpha an option. Issue is\n// hard coded conversions?\nexport default class ColorChooserView extends EditView {\n #to;\n #from;\n #satLevelElem;\n #circleElem;\n #hueUIElem;\n #hueElem;\n #hueCursorElem;\n #alphaUIElem;\n #alphaElem;\n #alphaCursorElem;\n #hsva;\n #skipHueUpdate;\n #skipSatLevelUpdate;\n #skipAlphaUpdate;\n #options = {\n converters: identity,\n alpha: false,\n };\n #convertInternalToHex;\n #convertHexToInternal;\n\n constructor(setter, options) {\n super(createElem('div', {\n innerHTML: svg,\n className: 'muigui-no-scroll',\n }));\n this.#satLevelElem = this.domElement.children[0];\n this.#hueUIElem = this.domElement.children[1];\n this.#alphaUIElem = this.domElement.children[2];\n connectFillTargets(this.#satLevelElem);\n connectFillTargets(this.#hueUIElem);\n connectFillTargets(this.#alphaUIElem);\n this.#circleElem = this.$('.muigui-color-chooser-circle');\n this.#hueElem = this.$('[data-src=muigui-color-chooser-hue]');\n this.#hueCursorElem = this.$('.muigui-color-chooser-hue-cursor');\n this.#alphaElem = this.$('[data-src=muigui-color-chooser-alpha]');\n this.#alphaCursorElem = this.$('.muigui-color-chooser-alpha-cursor');\n\n const handleSatLevelChange = (e) => {\n const s = clamp(e.nx, 0, 1);\n const v = clamp(e.ny, 0, 1);\n this.#hsva[1] = s;\n this.#hsva[2] = (1 - v);\n this.#skipHueUpdate = true;\n this.#skipAlphaUpdate = true;\n const [valid, newV] = this.#from(this.#convertInternalToHex(this.#hsva));\n if (valid) {\n setter.setValue(newV);\n }\n };\n\n const handleHueChange = (e) => {\n const h = clamp(e.nx, 0, 1);\n this.#hsva[0] = h;\n this.#skipSatLevelUpdate = true;\n this.#skipAlphaUpdate = true;\n const [valid, newV] = this.#from(this.#convertInternalToHex(this.#hsva));\n if (valid) {\n setter.setValue(newV);\n }\n };\n\n const handleAlphaChange = (e) => {\n const a = clamp(e.nx, 0, 1);\n this.#hsva[3] = a;\n this.#skipHueUpdate = true;\n this.#skipSatLevelUpdate = true;\n const [valid, newV] = this.#from(this.#convertInternalToHex(this.#hsva));\n if (valid) {\n setter.setValue(newV);\n }\n };\n\n addTouchEvents(this.#satLevelElem, {\n onDown: handleSatLevelChange,\n onMove: handleSatLevelChange,\n });\n addTouchEvents(this.#hueUIElem, {\n onDown: handleHueChange,\n onMove: handleHueChange,\n });\n addTouchEvents(this.#alphaUIElem, {\n onDown: handleAlphaChange,\n onMove: handleAlphaChange,\n });\n this.setOptions(options);\n }\n updateDisplay(newV) {\n if (!this.#hsva) {\n this.#hsva = this.#convertHexToInternal(this.#to(newV));\n }\n {\n const [h, s, v, a = 1] = this.#convertHexToInternal(this.#to(newV));\n // Don't copy the hue if it was un-computable.\n if (!this.#skipHueUpdate) {\n this.#hsva[0] = s > 0.001 && v > 0.001 ? h : this.#hsva[0];\n }\n if (!this.#skipSatLevelUpdate) {\n this.#hsva[1] = s;\n this.#hsva[2] = v;\n }\n if (!this.#skipAlphaUpdate) {\n this.#hsva[3] = a;\n }\n }\n {\n const [h, s, v, a] = this.#hsva;\n const [hue, sat, lum] = rgbaFloatToHsla01(hsva01ToRGBAFloat(this.#hsva));\n\n if (!this.#skipHueUpdate) {\n this.#hueCursorElem.setAttribute('transform', `translate(${h * 64}, 0)`);\n }\n this.#hueElem.children[0].setAttribute('stop-color', `hsl(${hue * 360} 0% 100% / ${a})`);\n this.#hueElem.children[1].setAttribute('stop-color', `hsl(${hue * 360} 100% 50% / ${a})`);\n if (!this.#skipAlphaUpdate) {\n this.#alphaCursorElem.setAttribute('transform', `translate(${a * 64}, 0)`);\n }\n this.#alphaElem.children[0].setAttribute('stop-color', `hsl(${hue * 360} ${sat * 100}% ${lum * 100}% / 0)`);\n this.#alphaElem.children[1].setAttribute('stop-color', `hsl(${hue * 360} ${sat * 100}% ${lum * 100}% / 1)`);\n\n if (!this.#skipSatLevelUpdate) {\n this.#circleElem.setAttribute('cx', `${s * 64}`);\n this.#circleElem.setAttribute('cy', `${(1 - v) * 48}`);\n }\n }\n this.#skipHueUpdate = false;\n this.#skipSatLevelUpdate = false;\n this.#skipAlphaUpdate = false;\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n const {converters: {to, from}, alpha} = this.#options;\n this.#alphaUIElem.style.display = alpha ? '' : 'none';\n this.#convertInternalToHex = alpha\n ? v => floatRGBAToHex(hsva01ToRGBAFloat(v))\n : v => floatRGBToHex(hsv01ToRGBFloat(v));\n this.#convertHexToInternal = alpha\n ? v => rgbaFloatToHSVA01(hexToFloatRGBA(v))\n : v => rgbFloatToHSV01(hexToFloatRGB(v));\n this.#to = to;\n this.#from = from;\n return this;\n }\n}\n","import ElementView from '../views/ElementView.js';\nimport ValueController from './ValueController.js';\nimport { copyExistingProperties } from '../libs/utils.js';\nimport { createElem } from '../libs/elem.js';\n/*\n\nholder = new TabHolder\ntab = holder.add(new Tab(\"name\"))\ntab.add(...)\n\n\npc = new PopdownController\ntop = pc.add(new Row())\ntop.add(new Button());\nvalues = topRow.add(new Div())\nbottom = pc.add(new Row());\n\n\n\npc = new PopdownController\npc.addTop\npc.addTop\n\npc.addBottom\n\n\n*/\n\nexport default class PopDownController extends ValueController {\n #top;\n #valuesView;\n #checkboxElem;\n #bottom;\n #options = {\n open: false,\n };\n\n constructor(object, property, options = {}) {\n super(object, property, 'muigui-pop-down-controller');\n /*\n [ValueView\n [[B][values]] upper row\n [[ visual ]] lower row\n ]\n */\n this.#top = this.add(new ElementView('div', 'muigui-pop-down-top'));\n// this.#top.add(new CheckboxView(makeSetter(this.#options, 'open')));\n const checkboxElem = this.#top.addElem(createElem('input', {\n type: 'checkbox',\n onChange: () => {\n this.#options.open = checkboxElem.checked;\n this.updateDisplay();\n },\n }));\n this.#checkboxElem = checkboxElem;\n this.#valuesView = this.#top.add(new ElementView('div', 'muigui-pop-down-values'));\n this.#bottom = this.add(new ElementView('div', 'muigui-pop-down-bottom'));\n this.setOptions(options);\n }\n setKnobColor(bgCssColor/*, fgCssColor*/) {\n if (this.#checkboxElem) {\n this.#checkboxElem.style = `\n --range-color: ${bgCssColor};\n --value-bg-color: ${bgCssColor};\n `;\n }\n }\n updateDisplay() {\n super.updateDisplay();\n const {open} = this.#options;\n this.domElement.children[1].classList.toggle('muigui-open', open);\n this.domElement.children[1].classList.toggle('muigui-closed', !open);\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n super.setOptions(options);\n this.updateDisplay();\n }\n addTop(view) {\n return this.#valuesView.add(view);\n }\n addBottom(view) {\n return this.#bottom.add(view);\n }\n}","/* eslint-disable no-underscore-dangle */\nimport {\n colorFormatConverters,\n guessFormat,\n hasAlpha,\n hexToUint8RGB,\n hslToRgbUint8,\n rgbUint8ToHsl,\n uint8RGBToHex,\n} from '../libs/color-utils.js';\nimport ColorChooserView from '../views/ColorChooserView.js';\nimport TextView from '../views/TextView.js';\nimport PopDownController from './PopDownController.js';\n\nexport default class ColorChooser extends PopDownController {\n #colorView;\n #textView;\n #to;\n #setKnobHelper;\n\n constructor(object, property, options = {}) {\n super(object, property, 'muigui-color-chooser');\n const format = options.format || guessFormat(this.getValue());\n const {color, text} = colorFormatConverters[format];\n this.#to = color.to;\n this.#textView = new TextView(this, {converters: text, alpha: hasAlpha(format)});\n this.#colorView = new ColorChooserView(this, {converters: color, alpha: hasAlpha(format)});\n this.addTop(this.#textView);\n this.addBottom(this.#colorView);\n // WTF! FIX!\n this.#setKnobHelper = () => {\n if (this.#to) {\n const hex6Or8 = this.#to(this.getValue());\n const hsl = rgbUint8ToHsl(hexToUint8RGB(hex6Or8));\n hsl[2] = (hsl[2] + 50) % 100;\n const hex = uint8RGBToHex(hslToRgbUint8(hsl));\n this.setKnobColor(`${hex6Or8.substring(0, 7)}FF`, hex);\n }\n };\n this.updateDisplay();\n }\n updateDisplay() {\n super.updateDisplay();\n if (this.#setKnobHelper) {\n this.#setKnobHelper();\n }\n }\n setOptions(options) {\n super.setOptions(options);\n return this;\n }\n}\n","import { createElem } from '../libs/elem.js';\nimport View from '../views/View.js';\n\nfunction showCSS(ob) {\n if (ob.prototype.css) {\n showCSS(ob.prototype);\n }\n}\n\nexport default class Layout extends View {\n static css = 'bar';\n constructor(tag, className) {\n super(createElem(tag, {className}));\n\n showCSS(this);\n }\n}\n\n/*\nclass ValueController ?? {\n const row = this.add(new Row());\n const label = row.add(new Label());\n const div = row.add(new Div());\n const row = div.add(new Row());\n}\n*/\n\n/*\nclass MyCustomThing extends ValueController {\n constructor(object, property, options) {\n const topRow = this.add(new Row());\n const bottomRow = this.add(new Row());\n topRow.add(new NumberView());\n topRow.add(new NumberView());\n topRow.add(new NumberView());\n topRow.add(new NumberView());\n bottomRow.add(new DirectionView());\n bottomRow.add(new DirectionView());\n bottomRow.add(new DirectionView());\n bottomRow.add(new DirectionView());\n }\n}\n new Grid([\n [new\n ]\n */","import Layout from './Layout.js';\n\nexport default class Column extends Layout {\n constructor() {\n super('div', 'muigui-row');\n }\n}\n","import Layout from './Layout.js';\n\nexport default class Frame extends Layout {\n static css = 'foo';\n constructor() {\n super('div', 'muigui-frame');\n }\n static get foo() {\n return 'boo';\n }\n}\n","import Layout from './Layout.js';\n\nexport default class Grid extends Layout {\n constructor() {\n super('div', 'muigui-grid');\n }\n}\n","import Layout from './Layout.js';\n\nexport default class Row extends Layout {\n constructor() {\n super('div', 'muigui-row');\n }\n}\n","import css from './styles/muigui.css.js';\nimport {createElem} from './libs/elem.js';\nimport {createController} from './controllers/create-controller.js';\nimport {\n mapRange,\n makeRangeConverters,\n makeRangeOptions,\n makeMinMaxPair,\n} from './libs/utils.js';\nimport {\n converters\n} from './libs/conversions.js';\nimport {\n hasAlpha,\n guessFormat,\n} from './libs/color-utils.js';\nimport Canvas from './controllers/Canvas.js';\nimport Color from './controllers/Color.js';\nimport Divider from './controllers/Divider.js';\nimport Folder from './controllers/Folder.js';\nimport Label from './controllers/Label.js';\nimport Controller from './controllers/Controller.js';\nimport ColorChooser from './controllers/ColorChooser.js';\n\nimport Column from './layout/Column.js';\nimport Frame from './layout/Frame.js';\nimport Grid from './layout/Grid.js';\nimport Row from './layout/Row.js';\n\nexport {\n Column,\n Frame,\n Grid,\n Row,\n};\n\nexport class GUIFolder extends Folder {\n add(object, property, ...args) {\n const controller = object instanceof Controller\n ? object\n : createController(object, property, ...args);\n return this.addController(controller);\n }\n addCanvas(name) {\n return this.addController(new Canvas(name));\n }\n addColor(object, property, options = {}) {\n const value = object[property];\n if (hasAlpha(options.format || guessFormat(value))) {\n return this.addController(new ColorChooser(object, property, options));\n } else {\n return this.addController(new Color(object, property, options));\n }\n }\n addDivider() {\n return this.addController(new Divider());\n }\n addFolder(name) {\n return this.addController(new GUIFolder(name));\n }\n addLabel(text) {\n return this.addController(new Label(text));\n }\n}\n\nclass MuiguiElement extends HTMLElement {\n constructor() {\n super();\n this.shadow = this.attachShadow({mode: 'open'});\n }\n}\n\ncustomElements.define('muigui-element', MuiguiElement);\n\nconst baseStyleSheet = new CSSStyleSheet();\nbaseStyleSheet.replaceSync(css.default);\nconst userStyleSheet = new CSSStyleSheet();\n\nfunction makeStyleSheetUpdater(styleSheet) {\n let newCss;\n let newCssPromise;\n\n function updateStyle() {\n if (newCss && !newCssPromise) {\n const s = newCss;\n newCss = undefined;\n newCssPromise = styleSheet.replace(s).then(() => {\n newCssPromise = undefined;\n updateStyle();\n });\n }\n }\n\n return function updateStyleSheet(css) {\n newCss = css;\n updateStyle();\n };\n}\n\nconst updateBaseStyle = makeStyleSheetUpdater(baseStyleSheet);\nconst updateUserStyle = makeStyleSheetUpdater(userStyleSheet);\n\nexport class GUI extends GUIFolder {\n static converters = converters;\n static mapRange = mapRange;\n static makeRangeConverters = makeRangeConverters;\n static makeRangeOptions = makeRangeOptions;\n static makeMinMaxPair = makeMinMaxPair;\n #localStyleSheet = new CSSStyleSheet();\n\n constructor(options = {}) {\n super('Controls', 'muigui-root');\n if (options instanceof HTMLElement) {\n options = {parent: options};\n }\n const {\n autoPlace = true,\n width,\n title = 'Controls',\n } = options;\n let {\n parent,\n } = options;\n\n if (width) {\n this.domElement.style.width = /^\\d+$/.test(width) ? `${width}px` : width;\n }\n if (parent === undefined && autoPlace) {\n parent = document.body;\n this.domElement.classList.add('muigui-auto-place');\n }\n if (parent) {\n const muiguiElement = createElem('muigui-element');\n muiguiElement.shadowRoot.adoptedStyleSheets = [baseStyleSheet, userStyleSheet, this.#localStyleSheet];\n muiguiElement.shadow.appendChild(this.domElement);\n parent.appendChild(muiguiElement);\n }\n if (title) {\n this.title(title);\n }\n this.domElement.classList.add('muigui', 'muigui-colors');\n }\n setStyle(css) {\n this.#localStyleSheet.replace(css);\n }\n static setBaseStyles(css) {\n updateBaseStyle(css);\n }\n static getBaseStyleSheet() {\n return baseStyleSheet;\n }\n static setUserStyles(css) {\n updateUserStyle(css);\n }\n static getUserStyleSheet() {\n return userStyleSheet;\n }\n static setTheme(name) {\n GUI.setBaseStyles(`${css.default}\\n${css.themes[name] || ''}`);\n }\n}\n\nexport default GUI;\n","function noop() {\n}\n\nconst keyDirections = {\n ArrowLeft: [-1, 0],\n ArrowRight: [1, 0],\n ArrowUp: [0, -1],\n ArrowDown: [0, 1],\n};\n\n// This probably needs to be global\nexport function addKeyboardEvents(elem, {onDown = noop, onUp = noop}) {\n const keyDown = function (event) {\n const mult = event.shiftKey ? 10 : 1;\n const [dx, dy] = (keyDirections[event.key] || [0, 0]).map(v => v * mult);\n const fn = event.type === 'keydown' ? onDown : onUp;\n fn({\n type: event.type.substring(3),\n dx,\n dy,\n event,\n });\n };\n\n elem.addEventListener('keydown', keyDown);\n elem.addEventListener('keyup', keyDown);\n\n return function () {\n elem.removeEventListener('keydown', keyDown);\n elem.removeEventListener('keyup', keyDown);\n };\n}","export function assert(truthy, msg = '') {\n if (!truthy) {\n throw new Error(msg);\n }\n}","import { assert } from '../libs/assert.js';\n\nfunction getEllipsePointForAngle(cx, cy, rx, ry, phi, theta) {\n const m = Math.abs(rx) * Math.cos(theta);\n const n = Math.abs(ry) * Math.sin(theta);\n\n return [\n cx + Math.cos(phi) * m - Math.sin(phi) * n,\n cy + Math.sin(phi) * m + Math.cos(phi) * n,\n ];\n}\n\nfunction getEndpointParameters(cx, cy, rx, ry, phi, theta, dTheta) {\n const [x1, y1] = getEllipsePointForAngle(cx, cy, rx, ry, phi, theta);\n const [x2, y2] = getEllipsePointForAngle(cx, cy, rx, ry, phi, theta + dTheta);\n\n const fa = Math.abs(dTheta) > Math.PI ? 1 : 0;\n const fs = dTheta > 0 ? 1 : 0;\n\n return { x1, y1, x2, y2, fa, fs };\n}\n\nexport function arc(cx, cy, r, start, end) {\n assert(Math.abs(start - end) <= Math.PI * 2);\n assert(start >= -Math.PI && start <= Math.PI * 2);\n assert(start <= end);\n assert(end >= -Math.PI && end <= Math.PI * 4);\n\n const { x1, y1, x2, y2, fa, fs } = getEndpointParameters(cx, cy, r, r, 0, start, end - start);\n return Math.abs(Math.abs(start - end) - Math.PI * 2) > Number.EPSILON\n ? `M${cx} ${cy} L${x1} ${y1} A ${r} ${r} 0 ${fa} ${fs} ${x2} ${y2} L${cx} ${cy}`\n : `M${x1} ${y1} L${x1} ${y1} A ${r} ${r} 0 ${fa} ${fs} ${x2} ${y2}`;\n}\n","import { identity } from '../libs/conversions.js';\nimport { createElem } from '../libs/elem.js';\nimport { addKeyboardEvents } from '../libs/keyboard.js';\nimport { arc } from '../libs/svg.js';\nimport { addTouchEvents } from '../libs/touch.js';\nimport { createWheelHelper } from '../libs/wheel.js';\nimport { clamp, copyExistingProperties, euclideanModulo, lerp, stepify } from '../libs/utils.js';\nimport EditView from './EditView.js';\n\nconst svg = `\n\n \n \n \n \n \n \n \n\n`;\n\nconst twoPiMod = v => euclideanModulo(v + Math.PI, Math.PI * 2) - Math.PI;\n\nexport default class DirectionView extends EditView {\n #arrowElem;\n #rangeElem;\n #lastV;\n #wrap;\n #options = {\n step: 1,\n min: -180,\n max: 180,\n\n /*\n --------\n / -π/2 \\\n / | \\\n |<- -π * |\n | * 0 ->| zero is down the positive X axis\n |<- +π * |\n \\ | /\n \\ π/2 /\n --------\n */\n dirMin: -Math.PI,\n dirMax: Math.PI,\n //dirMin: Math.PI * 0.5,\n //dirMax: Math.PI * 2.5,\n //dirMin: -Math.PI * 0.75, // test 10:30 to 7:30\n //dirMax: Math.PI * 0.75,\n //dirMin: Math.PI * 0.75, // test 7:30 to 10:30\n //dirMax: -Math.PI * 0.75,\n //dirMin: -Math.PI * 0.75, // test 10:30 to 1:30\n //dirMax: -Math.PI * 0.25,\n //dirMin: Math.PI * 0.25, // test 4:30 to 7:30\n //dirMax: Math.PI * 0.75,\n //dirMin: Math.PI * 0.75, // test 4:30 to 7:30\n //dirMax: Math.PI * 0.25,\n wrap: undefined,\n converters: identity,\n };\n\n constructor(setter, options = {}) {\n const wheelHelper = createWheelHelper();\n super(createElem('div', {\n className: 'muigui-direction muigui-no-scroll',\n innerHTML: svg,\n onWheel: e => {\n e.preventDefault();\n const {min, max, step} = this.#options;\n const delta = wheelHelper(e, step);\n let tempV = this.#lastV + delta;\n if (this.#wrap) {\n tempV = euclideanModulo(tempV - min, max - min) + min;\n }\n const newV = clamp(stepify(tempV, v => v, step), min, max);\n setter.setValue(newV);\n },\n }));\n const handleTouch = (e) => {\n const {min, max, step, dirMin, dirMax} = this.#options;\n const nx = e.nx * 2 - 1;\n const ny = e.ny * 2 - 1;\n const a = Math.atan2(ny, nx);\n\n const center = (dirMin + dirMax) / 2;\n\n const centeredAngle = twoPiMod(a - center);\n const centeredStart = twoPiMod(dirMin - center);\n const diff = dirMax - dirMin;\n\n const n = clamp((centeredAngle - centeredStart) / (diff), 0, 1);\n const newV = stepify(min + (max - min) * n, v => v, step);\n setter.setValue(newV);\n };\n addTouchEvents(this.domElement, {\n onDown: handleTouch,\n onMove: handleTouch,\n });\n addKeyboardEvents(this.domElement, {\n onDown: (e) => {\n const {min, max, step} = this.#options;\n const newV = clamp(stepify(this.#lastV + e.dx * step, v => v, step), min, max);\n setter.setValue(newV);\n },\n });\n this.#arrowElem = this.$('#muigui-arrow');\n this.#rangeElem = this.$('#muigui-range');\n this.setOptions(options);\n }\n updateDisplay(v) {\n this.#lastV = v;\n const {min, max} = this.#options;\n const n = (v - min) / (max - min);\n const angle = lerp(this.#options.dirMin, this.#options.dirMax, n);\n this.#arrowElem.style.transform = `rotate(${angle}rad)`;\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n const {dirMin, dirMax, wrap} = this.#options;\n this.#wrap = wrap !== undefined\n ? wrap\n : Math.abs(dirMin - dirMax) >= Math.PI * 2 - Number.EPSILON;\n const [min, max] = dirMin < dirMax ? [dirMin, dirMax] : [dirMax , dirMin];\n this.#rangeElem.setAttribute('d', arc(0, 0, 28.87, min, max));\n }\n}\n","import { identity } from '../libs/conversions.js';\nimport DirectionView from '../views/DirectionView.js';\nimport NumberView from '../views/NumberView.js';\n// import ValueController from './ValueController.js';\nimport PopDownController from './PopDownController.js';\n\n\n// deg2rad\n// where is 0\n// range (0, 360), (-180, +180), (0,0) Really this is a range\n\nexport default class Direction extends PopDownController {\n #options;\n constructor(object, property, options) {\n super(object, property, 'muigui-direction');\nthis.#options = options; // FIX\n this.addTop(new NumberView(this,\nidentity));\n this.addBottom(new DirectionView(this, options));\n this.updateDisplay();\n }\n}\n\n","import { createElem } from '../libs/elem.js';\nimport { makeId } from '../libs/ids.js';\nimport EditView from './EditView.js';\n\nexport default class RadioGridView extends EditView {\n #values;\n\n constructor(setter, keyValues, cols = 3) {\n const values = [];\n const name = makeId();\n super(createElem('div', {}, keyValues.map(([key, value], ndx) => {\n values.push(value);\n return createElem('label', {}, [\n createElem('input', {\n type: 'radio',\n name,\n value: ndx,\n onChange: function () {\n if (this.checked) {\n setter.setFinalValue(that.#values[this.value]);\n }\n },\n }),\n createElem('button', {\n type: 'button',\n textContent: key,\n onClick: function () {\n this.previousElementSibling.click();\n },\n }),\n ]);\n })));\n // eslint-disable-next-line @typescript-eslint/no-this-alias\n const that = this;\n this.#values = values;\n this.cols(cols);\n }\n updateDisplay(v) {\n const ndx = this.#values.indexOf(v);\n for (let i = 0; i < this.domElement.children.length; ++i) {\n this.domElement.children[i].children[0].checked = i === ndx;\n }\n }\n cols(cols) {\n this.domElement.style.gridTemplateColumns = `repeat(${cols}, 1fr)`;\n }\n}\n","import RadioGridView from '../views/RadioGridView.js';\nimport ValueController from './ValueController.js';\nimport { convertToKeyValues } from '../libs/key-values.js';\n\nexport default class RadioGrid extends ValueController {\n constructor(object, property, options) {\n super(object, property, 'muigui-radio-grid');\n const valueIsNumber = typeof this.getValue() === 'number';\n const {\n keyValues: keyValuesInput,\n cols = 3,\n } = options;\n const keyValues = convertToKeyValues(keyValuesInput, valueIsNumber);\n this.add(new RadioGridView(this, keyValues, cols));\n this.updateDisplay();\n }\n}","export function onResize(elem, callback) {\n new ResizeObserver(() => {\n callback({rect: elem.getBoundingClientRect(), elem});\n }).observe(elem);\n}\n\nexport function onResizeSVGNoScale(elem, hAnchor, vAnchor, callback) {\n onResize(elem, ({rect}) => {\n const {width, height} = rect;\n elem.setAttribute('viewBox', `-${width * hAnchor} -${height * vAnchor} ${width} ${height}`);\n callback({elem, rect});\n });\n}\n\nexport function onResizeCanvas(elem, callback) {\n onResize(elem, ({rect}) => {\n const {width, height} = rect;\n elem.width = width;\n elem.height = height;\n callback({elem, rect});\n });\n}\n","import { createElem } from '../libs/elem.js';\nimport { addKeyboardEvents } from '../libs/keyboard.js';\nimport { addTouchEvents } from '../libs/touch.js';\nimport { createWheelHelper } from '../libs/wheel.js';\nimport { onResizeSVGNoScale } from '../libs/resize-helpers.js';\nimport { clamp, copyExistingProperties, stepify } from '../libs/utils.js';\nimport EditView from './EditView.js';\n\nconst svg = `\n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n`;\n\nfunction createSVGTicks(start, end, step, min, max, height) {\n const p = [];\n if (start < min) {\n start += stepify(min - start, v => v, step);\n }\n end = Math.min(end, max);\n for (let i = start; i <= end; i += step) {\n p.push(`M${i} 0 l0 ${height}`);\n }\n return p.join(' ');\n}\n\nfunction createSVGNumbers(start, end, unitSize, unit, minusSize, min, max, labelFn) {\n const texts = [];\n if (start < min) {\n start += stepify(min - start, v => v, unitSize);\n }\n end = Math.min(end, max);\n const digits = Math.max(0, -Math.log10(unit));\n const f = v => labelFn(v.toFixed(digits));\n for (let i = start; i <= end; i += unitSize) {\n texts.push(`= 0 ? i : (i - minusSize / 2) }\" y=\"0\">${f(i / unitSize * unit)}`);\n }\n return texts.join('\\n');\n}\n\nfunction computeSizeOfMinus(elem) {\n const oldHTML = elem.innerHTML;\n elem.innerHTML = '- ';\n const text = elem.querySelector('text');\n const size = text.getComputedTextLength();\n elem.innerHTML = oldHTML;\n return size;\n}\n\nexport default class SliderView extends EditView {\n #svgElem;\n #originElem;\n #ticksElem;\n #thicksElem;\n #numbersElem;\n #leftGradElem;\n #rightGradElem;\n #width;\n #height;\n #lastV;\n #minusSize;\n #options = {\n min: -100,\n max: 100,\n step: 1,\n unit: 10,\n unitSize: 10,\n ticksPerUnit: 5,\n labelFn: v => v,\n tickHeight: 1,\n limits: true,\n thicksColor: undefined,\n orientation: undefined,\n };\n\n constructor(setter, options) {\n const wheelHelper = createWheelHelper();\n super(createElem('div', {\n innerHTML: svg,\n className: 'muigui-no-v-scroll',\n onWheel: e => {\n e.preventDefault();\n const {min, max, step} = this.#options;\n const delta = wheelHelper(e, step);\n const newV = clamp(stepify(this.#lastV + delta, v => v, step), min, max);\n setter.setValue(newV);\n },\n }));\n this.#svgElem = this.$('svg');\n this.#originElem = this.$('#muigui-origin');\n this.#ticksElem = this.$('#muigui-ticks');\n this.#thicksElem = this.$('#muigui-thicks');\n this.#numbersElem = this.$('#muigui-numbers');\n this.#leftGradElem = this.$('#muigui-left-grad');\n this.#rightGradElem = this.$('#muigui-right-grad');\n this.setOptions(options);\n let startV;\n addTouchEvents(this.domElement, {\n onDown: () => {\n startV = this.#lastV;\n },\n onMove: (e) => {\n const {min, max, unitSize, unit, step} = this.#options;\n const newV = clamp(stepify(startV - e.dx / unitSize * unit, v => v, step), min, max);\n setter.setValue(newV);\n },\n });\n addKeyboardEvents(this.domElement, {\n onDown: (e) => {\n const {min, max, step} = this.#options;\n const newV = clamp(stepify(this.#lastV + e.dx * step, v => v, step), min, max);\n setter.setValue(newV);\n },\n });\n onResizeSVGNoScale(this.#svgElem, 0.5, 0, ({rect: {width}}) => {\n this.#leftGradElem.setAttribute('x', -width / 2);\n this.#rightGradElem.setAttribute('x', width / 2 - 20);\n this.#minusSize = computeSizeOfMinus(this.#numbersElem);\n this.#width = width;\n this.#updateSlider();\n });\n }\n // |--------V--------|\n // . . | . . . | . . . |\n //\n #updateSlider() {\n // There's no size if ResizeObserver has not fired yet.\n if (!this.#width || this.#lastV === undefined) {\n return;\n }\n const {\n labelFn,\n limits,\n min,\n max,\n orientation,\n tickHeight,\n ticksPerUnit,\n unit,\n unitSize,\n thicksColor,\n } = this.#options;\n const unitsAcross = Math.ceil(this.#width / unitSize);\n const center = this.#lastV;\n const centerUnitSpace = center / unit;\n const startUnitSpace = Math.round(centerUnitSpace - unitsAcross);\n const endUnitSpace = startUnitSpace + unitsAcross * 2;\n const start = startUnitSpace * unitSize;\n const end = endUnitSpace * unitSize;\n const minUnitSpace = limits ? min * unitSize / unit : start;\n const maxUnitSpace = limits ? max * unitSize / unit : end;\n const height = labelFn(1) === '' ? 10 : 5;\n if (ticksPerUnit > 1) {\n this.#ticksElem.setAttribute('d', createSVGTicks(start, end, unitSize / ticksPerUnit, minUnitSpace, maxUnitSpace, height * tickHeight));\n }\n this.#thicksElem.style.stroke = thicksColor; //setAttribute('stroke', thicksColor);\n this.#thicksElem.setAttribute('d', createSVGTicks(start, end, unitSize, minUnitSpace, maxUnitSpace, height));\n this.#numbersElem.innerHTML = createSVGNumbers(start, end, unitSize, unit, this.#minusSize, minUnitSpace, maxUnitSpace, labelFn);\n this.#originElem.setAttribute('transform', `translate(${-this.#lastV * unitSize / unit} 0)`);\n this.#svgElem.classList.toggle('muigui-slider-up', orientation === 'up');\n }\n updateDisplay(v) {\n this.#lastV = v;\n this.#updateSlider();\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n return this;\n }\n}\n","import ValueController from './ValueController.js';\nimport NumberView from '../views/NumberView.js';\nimport SliderView from '../views/SliderView.js';\n\nexport default class Slider extends ValueController {\n constructor(object, property, options = {}) {\n super(object, property, 'muigui-slider');\n this.add(new SliderView(this, options));\n this.add(new NumberView(this, options));\n this.updateDisplay();\n }\n}\n","import { createElem } from '../libs/elem.js';\nimport { addTouchEvents } from '../libs/touch.js';\nimport { onResizeSVGNoScale } from '../libs/resize-helpers.js';\nimport EditView from './EditView.js';\n\nconst svg = `\n\n \n \n \n \n \n\n`;\n\nexport default class Vec2View extends EditView {\n #svgElem;\n #arrowElem;\n #circleElem;\n #lastV = [];\n\n constructor(setter) {\n super(createElem('div', {\n innerHTML: svg,\n className: 'muigui-no-scroll',\n }));\n const onTouch = (e) => {\n const {width, height} = this.#svgElem.getBoundingClientRect();\n const nx = e.nx * 2 - 1;\n const ny = e.ny * 2 - 1;\n setter.setValue([nx * width * 0.5, ny * height * 0.5]);\n };\n addTouchEvents(this.domElement, {\n onDown: onTouch,\n onMove: onTouch,\n });\n this.#svgElem = this.$('svg');\n this.#arrowElem = this.$('#muigui-arrow');\n this.#circleElem = this.$('#muigui-circle');\n onResizeSVGNoScale(this.#svgElem, 0.5, 0.5, () => this.#updateDisplayImpl);\n }\n #updateDisplayImpl() {\n const [x, y] = this.#lastV;\n this.#arrowElem.setAttribute('d', `M0,0L${x},${y}`);\n this.#circleElem.setAttribute('transform', `translate(${x}, ${y})`);\n }\n updateDisplay(v) {\n this.#lastV[0] = v[0];\n this.#lastV[1] = v[1];\n this.#updateDisplayImpl();\n }\n}\n","import NumberView from '../views/NumberView.js';\nimport Vec2View from '../views/Vec2View.js';\nimport PopDownController from './PopDownController.js';\nimport { strToNumber } from '../libs/conversions.js';\n\n// TODO: zoom with wheel and pinch?\n// TODO: grid?\n// // options\n// scale:\n// range: number (both x and y + /)\n// range: array (min, max)\n// xRange:\n// deg/rad/turn\n\nexport default class Vec2 extends PopDownController {\n constructor(object, property) {\n super(object, property, 'muigui-vec2');\n\n const makeSetter = (ndx) => {\n return {\n setValue: (v) => {\n const newV = this.getValue();\n newV[ndx] = v;\n this.setValue(newV);\n },\n setFinalValue: (v) => {\n const newV = this.getValue();\n newV[ndx] = v;\n this.setFinalValue(newV);\n },\n };\n };\n\n this.addTop(new NumberView(makeSetter(0), {\n converters: {\n to: v => v[0],\n from: strToNumber.from,\n },\n }));\n this.addTop(new NumberView(makeSetter(1), {\n converters: {\n to: v => v[1],\n from: strToNumber.from,\n },\n }));\n this.addBottom(new Vec2View(this));\n this.updateDisplay();\n }\n}\n","import GUI from './muigui.js';\n\nimport ColorChooser from './controllers/ColorChooser.js';\nimport Direction from './controllers/Direction.js';\nimport RadioGrid from './controllers/RadioGrid.js';\nimport Range from './controllers/Range.js';\nimport Select from './controllers/Select.js';\nimport Slider from './controllers/Slider.js';\nimport TextNumber from './controllers/TextNumber.js';\nimport Vec2 from './controllers/Vec2.js';\n\nGUI.ColorChooser = ColorChooser;\nGUI.Direction = Direction;\nGUI.RadioGrid = RadioGrid;\nGUI.Range = Range;\nGUI.Select = Select;\nGUI.Slider = Slider;\nGUI.TextNumber = TextNumber;\nGUI.Vec2 = Vec2;\n\nexport default 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\ No newline at end of file diff --git a/dist/0.x/muigui.min.js b/dist/0.x/muigui.min.js new file mode 100644 index 0000000..4d5665f --- /dev/null +++ b/dist/0.x/muigui.min.js @@ -0,0 +1,2 @@ +!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):(t="undefined"!=typeof globalThis?globalThis:t||self).GUI=e()}(this,(function(){"use strict";var t={default:'\n.muigui {\n --bg-color: #ddd;\n --color: #222;\n --contrast-color: #eee;\n --value-color: #145 ;\n --value-bg-color: #eeee;\n --disabled-color: #999;\n --menu-bg-color: #f8f8f8;\n --menu-sep-color: #bbb;\n --hover-bg-color: #999;\n --focus-color: #68C;\n --range-color: #888888;\n --invalid-color: #FF0000;\n --selected-color: rgb(255, 255, 255, 0.9);\n\n --button-bg-color: var(--value-bg-color);\n\n --range-left-color: var(--value-color);\n --range-right-color: var(--value-bg-color); \n --range-right-hover-color: var(--hover-bg-color);\n\n color: var(--color);\n background-color: var(--bg-color);\n}\n\n@media (prefers-color-scheme: dark) {\n .muigui {\n --bg-color: #222222;\n --color: #dddddd;\n --contrast-color: #000;\n --value-color: #43e5f7;\n --value-bg-color: #444444;\n --disabled-color: #666666;\n --menu-bg-color: #080808;\n --menu-sep-color: #444444;\n --hover-bg-color: #666666;\n --focus-color: #88AAFF;\n --range-color: #888888;\n --invalid-color: #FF6666;\n --selected-color: rgba(255, 255, 255, 0.3);\n\n --button-bg-color: var(--value-bg-color);\n\n --range-left-color: var(--value-color);\n --range-right-color: var(--value-bg-color); \n --range-right-hover-color: var(--hover-bg-color);\n\n color: var(--color);\n background-color: var(--bg-color);\n }\n}\n\n.muigui {\n --width: 250px;\n --label-width: 45%;\n --number-width: 40%;\n\n\n --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;\n --font-size: 11px;\n --font-family-mono: Menlo, Monaco, Consolas, "Droid Sans Mono", monospace;\n --font-size-mono: 11px;\n\n --line-height: 1.7em;\n --border-radius: 0px;\n\n width: var(--width);\n font-family: var(--font-family);\n font-size: var(--font-size);\n box-sizing: border-box;\n line-height: 100%;\n}\n.muigui * {\n box-sizing: inherit;\n}\n\n.muigui-no-scroll {\n touch-action: none;\n}\n.muigui-no-h-scroll {\n touch-action: pan-y;\n}\n.muigui-no-v-scroll {\n touch-action: pan-x;\n}\n\n.muigui-invalid-value {\n background-color: red !important;\n color: white !important;\n}\n\n.muigui-grid {\n display: grid;\n}\n.muigui-rows {\n display: flex;\n flex-direction: column;\n\n min-height: 20px;\n border: 2px solid red;\n}\n.muigui-columns {\n display: flex;\n flex-direction: row;\n\n height: 20px;\n border: 2px solid green;\n}\n.muigui-rows>*,\n.muigui-columns>* {\n flex: 1 1 auto;\n align-items: stretch;\n min-height: 0;\n min-width: 0;\n}\n\n.muigui-row {\n border: 2px solid yellow;\n min-height: 10px\n}\n.muigui-column {\n border: 2px solid lightgreen;\n}\n\n/* -------- */\n\n.muigui-show { /* */ }\n.muigui-hide { \n display: none !important;\n}\n.muigui-disabled {\n pointer-events: none;\n --color: var(--disabled-color) !important;\n --value-color: var(--disabled-color) !important;\n --range-left-color: var(--disabled-color) !important;\n}\n\n.muigui canvas,\n.muigui svg {\n display: block;\n border-radius: var(--border-radius);\n}\n.muigui canvas {\n background-color: var(--value-bg-color);\n}\n\n.muigui-controller {\n min-width: 0;\n min-height: var(--line-height);\n}\n.muigui-root,\n.muigui-menu {\n display: flex;\n flex-direction: column;\n position: relative;\n user-select: none;\n height: fit-content;\n margin: 0;\n padding-bottom: 0.1em;\n border-radius: var(--border-radius);\n}\n.muigui-menu {\n border-bottom: 1px solid var(--menu-sep-color);\n}\n\n.muigui-root>button:nth-child(1),\n.muigui-menu>button:nth-child(1) {\n border-top: 1px solid var(--menu-sep-color);\n border-bottom: 1px solid var(--menu-sep-color);\n position: relative;\n text-align: left;\n color: var(--color);\n background-color: var(--menu-bg-color);\n min-height: var(--line-height);\n padding-top: 0.2em;\n padding-bottom: 0.2em;\n cursor: pointer;\n border-radius: var(--border-radius);\n}\n.muigui-root>div:nth-child(2),\n.muigui-menu>div:nth-child(2) {\n flex: 1 1 auto;\n}\n\n.muigui-controller {\n margin-left: 0.2em;\n margin-right: 0.2em;\n}\n.muigui-root.muigui-controller,\n.muigui-menu.muigui-controller {\n margin-left: 0;\n margin-right: 0;\n}\n.muigui-controller>*:nth-child(1) {\n flex: 1 0 var(--label-width);\n min-width: 0;\n white-space: pre;\n}\n.muigui-controller>label:nth-child(1) {\n place-content: center start;\n display: inline-grid;\n overflow: hidden;\n}\n.muigui-controller>*:nth-child(2) {\n flex: 1 1 75%;\n min-width: 0;\n}\n\n/* -----------------------------------------\n a label controller is [[label][value]]\n*/\n\n.muigui-label-controller {\n display: flex;\n margin: 0.4em 0 0.4em 0;\n word-wrap: initial;\n align-items: stretch;\n}\n\n.muigui-value {\n display: flex;\n align-items: stretch;\n}\n.muigui-value>* {\n flex: 1 1 auto;\n min-width: 0;\n}\n.muigui-value>*:nth-child(1) {\n flex: 1 1 calc(100% - var(--number-width));\n}\n.muigui-value>*:nth-child(2) {\n flex: 1 1 var(--number-width);\n margin-left: 0.2em;\n}\n\n/* fix! */\n.muigui-open>button>label::before,\n.muigui-closed>button>label::before {\n width: 1.25em;\n height: var(--line-height);\n display: inline-grid;\n place-content: center start;\n pointer-events: none;\n}\n.muigui-open>button>label::before {\n content: "ⓧ"; /*"▼";*/\n}\n.muigui-closed>button>label::before {\n content: "⨁"; /*"▶";*/\n}\n.muigui-open>*:nth-child(2) {\n transition: max-height 0.2s ease-out,\n opacity 0.5s ease-out;\n max-height: 100vh;\n overflow: auto;\n opacity: 1;\n}\n\n.muigui-closed>*:nth-child(2) {\n transition: max-height 0.2s ease-out,\n opacity 1s;\n max-height: 0;\n opacity: 0;\n overflow: hidden;\n}\n\n/* ---- popdown ---- */\n\n.muigui-pop-down-top {\n display: flex;\n}\n/* fix? */\n.muigui-value>*:nth-child(1).muigui-pop-down-top {\n flex: 0;\n}\n.muigui-pop-down-bottom {\n\n}\n\n.muigui-pop-down-values {\n min-width: 0;\n display: flex;\n}\n.muigui-pop-down-values>* {\n flex: 1 1 auto;\n min-width: 0;\n}\n\n.muigui-value.muigui-pop-down-controller {\n flex-direction: column;\n}\n\n.muigui-pop-down-top input[type=checkbox] {\n -webkit-appearance: none;\n appearance: none;\n width: auto;\n color: var(--value-color);\n background-color: var(--value-bg-color);\n cursor: pointer;\n\n display: grid;\n place-content: center;\n margin: 0;\n font: inherit;\n color: currentColor;\n width: 1.7em;\n height: 1.7em;\n transform: translateY(-0.075em);\n}\n\n.muigui-pop-down-top input[type=checkbox]::before {\n content: "+";\n display: grid;\n place-content: center;\n border-radius: calc(var(--border-radius) + 2px);\n border-left: 1px solid rgba(255,255,255,0.3);\n border-top: 1px solid rgba(255,255,255,0.3);\n border-bottom: 1px solid rgba(0,0,0,0.2);\n border-right: 1px solid rgba(0,0,0,0.2);\n background-color: var(--range-color);\n color: var(--value-bg-color);\n width: calc(var(--line-height) - 4px);\n height: calc(var(--line-height) - 4px);\n}\n\n.muigui-pop-down-top input[type=checkbox]:checked::before {\n content: "Ｘ";\n}\n\n\n/* ---- select ---- */\n\n.muigui select,\n.muigui option,\n.muigui input,\n.muigui button {\n color: var(--value-color);\n background-color: var(--value-bg-color);\n font-family: var(--font-family);\n font-size: var(--font-size);\n border: none;\n margin: 0;\n border-radius: var(--border-radius);\n}\n.muigui select {\n appearance: none;\n margin: 0;\n margin-left: 0; /*?*/\n overflow: hidden; /* Safari */\n}\n\n.muigui select:focus,\n.muigui input:focus,\n.muigui button:focus {\n outline: 1px solid var(--focus-color);\n}\n\n.muigui select:hover,\n.muigui option:hover,\n.muigui input:hover,\n.muigui button:hover {\n background-color: var(--hover-bg-color); \n}\n\n/* ------ [ label ] ------ */\n\n.muigui-label {\n border-top: 1px solid var(--menu-sep-color);\n border-bottom: 1px solid var(--menu-sep-color);\n padding-top: 0.4em;\n padding-bottom: 0.3em;\n place-content: center start;\n background-color: var(--menu-bg-color);\n white-space: pre;\n border-radius: var(--border-radius);\n}\n\n/* ------ [ divider] ------ */\n\n.muigui-divider {\n min-height: 6px;\n border-top: 2px solid var(--menu-sep-color);\n margin-top: 6px;\n}\n\n/* ------ [ button ] ------ */\n\n.muigui-button {\n display: grid;\n\n}\n.muigui-button button {\n border: none;\n color: var(--value-color);\n background-color: var(--button-bg-color);\n cursor: pointer;\n place-content: center center;\n}\n\n/* ------ [ color ] ------ */\n\n.muigui-color>div {\n overflow: hidden;\n position: relative;\n margin-left: 0;\n margin-right: 0; /* why? */\n max-width: var(--line-height);\n border-radius: var(--border-radius);\n}\n\n.muigui-color>div:focus-within {\n outline: 1px solid var(--focus-color);\n}\n\n.muigui-color input[type=color] {\n border: none;\n padding: 0;\n background: inherit;\n cursor: pointer;\n position: absolute;\n width: 200%;\n left: -10px;\n top: -10px;\n height: 200%;\n}\n.muigui-disabled canvas,\n.muigui-disabled svg,\n.muigui-disabled img,\n.muigui-disabled .muigui-color input[type=color] {\n opacity: 0.2;\n}\n\n/* ------ [ checkbox ] ------ */\n\n.muigui-checkbox>label:nth-child(2) {\n display: grid;\n place-content: center start;\n margin: 0;\n}\n\n.muigui-checkbox input[type=checkbox] {\n -webkit-appearance: none;\n appearance: none;\n width: auto;\n color: var(--value-color);\n background-color: var(--value-bg-color);\n cursor: pointer;\n\n display: grid;\n place-content: center;\n margin: 0;\n font: inherit;\n color: currentColor;\n width: 1.7em;\n height: 1.7em;\n transform: translateY(-0.075em);\n}\n\n.muigui-checkbox input[type=checkbox]::before {\n content: "";\n color: var(--value-color);\n display: grid;\n place-content: center;\n}\n\n.muigui-checkbox input[type=checkbox]:checked::before {\n content: "✔";\n}\n\n.muigui input[type=number]::-webkit-inner-spin-button, \n.muigui input[type=number]::-webkit-outer-spin-button { \n -webkit-appearance: none;\n appearance: none;\n margin: 0; \n}\n.muigui input[type=number] {\n -moz-appearance: textfield;\n}\n\n/* ------ [ radio grid ] ------ */\n\n.muigui-radio-grid>div {\n display: grid;\n gap: 2px;\n}\n\n.muigui-radio-grid input {\n appearance: none;\n display: none;\n}\n\n.muigui-radio-grid button {\n color: var(--color);\n width: 100%;\n text-align: left;\n}\n\n.muigui-radio-grid input:checked + button {\n color: var(--value-color);\n background-color: var(--selected-color);\n}\n\n/* ------ [ color-chooser ] ------ */\n\n.muigui-color-chooser-cursor {\n stroke-width: 1px;\n stroke: white;\n fill: none;\n}\n.muigui-color-chooser-circle {\n stroke-width: 1px;\n stroke: white;\n fill: none;\n}\n\n\n/* ------ [ vec2 ] ------ */\n\n.muigui-vec2 svg {\n background-color: var(--value-bg-color);\n}\n\n.muigui-vec2-axis {\n stroke: 1px;\n stroke: var(--focus-color);\n}\n\n.muigui-vec2-line {\n stroke-width: 1px;\n stroke: var(--value-color);\n fill: var(--value-color);\n}\n\n/* ------ [ direction ] ------ */\n\n.muigui-direction svg {\n background-color: rgba(0,0,0,0.2);\n}\n\n.muigui-direction:focus-within svg {\n outline: none;\n}\n.muigui-direction-range {\n fill: var(--value-bg-color);\n}\n.muigui-direction svg:focus {\n outline: none;\n}\n.muigui-direction svg:focus .muigui-direction-range {\n stroke-width: 0.5px;\n stroke: var(--focus-color);\n}\n\n.muigui-direction-arrow {\n fill: var(--value-color);\n}\n\n/* ------ [ slider ] ------ */\n\n.muigui-slider>div {\n display: flex;\n align-items: stretch;\n height: var(--line-height);\n}\n.muigui-slider svg {\n flex: 1 1 auto;\n}\n.muigui-slider .muigui-slider-up #muigui-orientation {\n transform: scale(1, -1) translateY(-100%);\n}\n\n.muigui-slider .muigui-slider-up #muigui-number-orientation {\n transform: scale(1,-1);\n}\n\n.muigui-ticks {\n stroke: var(--range-color);\n}\n.muigui-thicks {\n stroke: var(--color);\n stroke-width: 2px;\n}\n.muigui-svg-text {\n fill: var(--color);\n font-size: 7px;\n}\n.muigui-mark {\n fill: var(--value-color);\n}\n\n/* ------ [ range ] ------ */\n\n\n.muigui-range input[type=range] {\n -webkit-appearance: none;\n appearance: none;\n background-color: transparent;\n}\n\n.muigui-range input[type=range]::-webkit-slider-thumb {\n -webkit-appearance: none;\n appearance: none;\n border-radius: calc(var(--border-radius) + 2px);\n border-left: 1px solid rgba(255,255,255,0.3);\n border-top: 1px solid rgba(255,255,255,0.3);\n border-bottom: 1px solid rgba(0,0,0,0.2);\n border-right: 1px solid rgba(0,0,0,0.2);\n background-color: var(--range-color);\n margin-top: calc((var(--line-height) - 2px) / -2);\n width: calc(var(--line-height) - 2px);\n height: calc(var(--line-height) - 2px);\n}\n\n.muigui-range input[type=range]::-webkit-slider-runnable-track {\n -webkit-appearance: none;\n appearance: none;\n border: 1px solid var(--menu-sep-color);\n height: 2px;\n}\n\n\n/* dat.gui style - doesn\'t work on Safari iOS */\n\n/*\n.muigui-range input[type=range] {\n cursor: ew-resize;\n overflow: hidden;\n}\n\n.muigui-range input[type=range] {\n -webkit-appearance: none;\n appearance: none;\n background-color: var(--range-right-color);\n margin: 0;\n}\n.muigui-range input[type=range]:hover {\n background-color: var(--range-right-hover-color);\n}\n\n.muigui-range input[type=range]::-webkit-slider-runnable-track {\n -webkit-appearance: none;\n appearance: none;\n height: max-content;\n color: var(--range-left-color);\n margin-top: -1px;\n}\n\n.muigui-range input[type=range]::-webkit-slider-thumb {\n -webkit-appearance: none;\n appearance: none;\n width: 0px;\n height: max-content;\n box-shadow: -1000px 0 0 1000px var(--range-left-color);\n}\n*/\n\n/* FF */\n/*\n.muigui-range input[type=range]::-moz-slider-progress {\n background-color: var(--range-left-color); \n}\n.muigui-range input[type=range]::-moz-slider-thumb {\n height: max-content;\n width: 0;\n border: none;\n box-shadow: -1000px 0 0 1000px var(--range-left-color);\n box-sizing: border-box;\n}\n*/\n\n.muigui-checkered-background {\n background-color: #404040;\n background-image:\n linear-gradient(45deg, #808080 25%, transparent 25%),\n linear-gradient(-45deg, #808080 25%, transparent 25%),\n linear-gradient(45deg, transparent 75%, #808080 75%),\n linear-gradient(-45deg, transparent 75%, #808080 75%);\n background-size: 16px 16px;\n background-position: 0 0, 0 8px, 8px -8px, -8px 0px;\n}\n\n/* ---------------------------------------------------------- */\n\n/* needs to be at bottom to take precedence */\n.muigui-auto-place {\n max-height: 100%;\n position: fixed;\n top: 0;\n right: 15px;\n z-index: 100001;\n}\n\n',themes:{default:"",float:"\n :root {\n color-scheme: light dark,\n }\n\n .muigui {\n --width: 400px;\n --bg-color: initial;\n --label-width: 25%;\n --number-width: 20%;\n }\n\n input,\n .muigui-label-controller>label {\n text-shadow:\n -1px -1px 0 var(--contrast-color),\n 1px -1px 0 var(--contrast-color),\n -1px 1px 0 var(--contrast-color),\n 1px 1px 0 var(--contrast-color);\n }\n\n .muigui-controller > label:nth-child(1) {\n place-content: center end;\n margin-right: 1em;\n }\n\n .muigui-value > :nth-child(2) {\n margin-left: 1em;\n }\n\n .muigui-root>*:nth-child(1) {\n display: none;\n }\n\n .muigui-range input[type=range]::-webkit-slider-thumb {\n border-radius: 1em;\n }\n\n .muigui-range input[type=range]::-webkit-slider-runnable-track {\n -webkit-appearance: initial;\n appearance: none;\n border: 1px solid rgba(0, 0, 0, 0.25);\n height: 2px;\n }\n\n .muigui-colors {\n --value-color: var(--color );\n --value-bg-color: rgba(0, 0, 0, 0.1);\n --disabled-color: #cccccc;\n --menu-bg-color: rgba(0, 0, 0, 0.1);\n --menu-sep-color: #bbbbbb;\n --hover-bg-color: rgba(0, 0, 0, 0);\n --invalid-color: #FF0000;\n --selected-color: rgba(0, 0, 0, 0.3);\n --range-color: rgba(0, 0, 0, 0.125);\n }\n"}};function e(t,e={},n=[]){const i=document.createElement(t);return function(t,e,n){for(const[n,i]of Object.entries(e))if("function"==typeof i&&n.startsWith("on")){const e=n.substring(2).toLowerCase();t.addEventListener(e,i,{passive:!1})}else if("object"==typeof i)for(const[e,o]of Object.entries(i))t[n][e]=o;else void 0===t[n]?t.setAttribute(n,i):t[n]=i;for(const e of n)t.appendChild(e)}(i,e,n),i}let n=0;function i(t,e){const n=t.indexOf(e);return n&&t.splice(n,1),t}function o(t,e,n){return Math.max(e,Math.min(n,t))}const r="undefined"!=typeof SharedArrayBuffer?function(t){return t&&t.buffer&&(t.buffer instanceof ArrayBuffer||t.buffer instanceof SharedArrayBuffer)}:function(t){return t&&t.buffer&&t.buffer instanceof ArrayBuffer},s=(t,e,n)=>Math.round(e(t)/n)/(1/n),a=(t,e)=>(t%e+e)%e;function l(t,e){for(const n in e)n in t&&(t[n]=e[n]);return t}const u=(t,e,n,i,o)=>(t-e)*(o-i)/(n-e)+i,c=({from:t,to:e})=>({to:n=>u(n,...t,...e),from:n=>[!0,u(n,...e,...t)]}),h=({from:t,to:e,step:n})=>({min:e[0],max:e[1],...n&&{step:n},converters:c({from:t,to:e})}),d={to:t=>t,from:t=>[!0,t]};function p(t,e,n,i,o){const{converters:{from:r}=d}=o,{min:s,max:a}=o,l=o.minRange||0,u=r(l)[1],c=t.add(e,n,{...o,min:s,max:a-l}).onChange((t=>{h.setValue(Math.min(a,Math.max(t+u,e[i])))})),h=t.add(e,i,{...o,min:s+l,max:a}).onChange((t=>{c.setValue(Math.max(s,Math.min(t-u,e[n])))}));return[c,h]}class m{domElement;#t;#e=[];constructor(t){this.domElement=t,this.#t=t}addElem(t){return this.#t.appendChild(t),t}removeElem(t){return this.#t.removeChild(t),t}pushSubElem(t){this.#t.appendChild(t),this.#t=t}popSubElem(){this.#t=this.#t.parentElement}add(t){return this.#e.push(t),this.addElem(t.domElement),t}remove(t){return this.removeElem(t.domElement),i(this.#e,t),t}pushSubView(t){this.pushSubElem(t.domElement)}popSubView(){this.popSubElem()}setOptions(t){for(const e of this.#e)e.setOptions(t)}updateDisplayIfNeeded(t,e){for(const n of this.#e)n.updateDisplayIfNeeded(t,e);return this}$(t){return this.domElement.querySelector(t)}}class g extends m{#n;#i;#o;constructor(t){super(e("div",{className:"muigui-controller"})),this.#n=[],this.#i=[],t&&this.domElement.classList.add(t)}get parent(){return this.#o}setParent(t){this.#o=t,this.enable(!this.disabled())}show(t=!0){return this.domElement.classList.toggle("muigui-hide",!t),this.domElement.classList.toggle("muigui-show",t),this}hide(){return this.show(!1)}disabled(){return!!this.domElement.closest(".muigui-disabled")}enable(t=!0){return this.domElement.classList.toggle("muigui-disabled",!t),["input","button","select","textarea"].forEach((t=>{this.domElement.querySelectorAll(t).forEach((t=>{const e=!!t.closest(".muigui-disabled");t.disabled=e}))})),this}disable(t=!0){return this.enable(!t)}onChange(t){return this.removeChange(t),this.#n.push(t),this}removeChange(t){return i(this.#n,t),this}onFinishChange(t){return this.removeFinishChange(t),this.#i.push(t),this}removeFinishChange(t){return i(this.#i,t),this}#r(t,e){for(const n of t)n.call(this,e)}emitChange(t,e,n){this.#r(this.#n,t),this.#o&&(void 0===e?this.#o.emitChange(t):this.#o.emitChange({object:e,property:n,value:t,controller:this}))}emitFinalChange(t,e,n){this.#r(this.#i,t),this.#o&&(void 0===e?this.#o.emitChange(t):this.#o.emitFinalChange({object:e,property:n,value:t,controller:this}))}updateDisplay(){}getColors(){const t=t=>t.replace(/-([a-z])/g,((t,e)=>e.toUpperCase())),n=e("div");this.domElement.appendChild(n);const i=Object.fromEntries(["color","bg-color","value-color","value-bg-color","hover-bg-color","menu-bg-color","menu-sep-color","disabled-color"].map((e=>{n.style.color=`var(--${e})`;const i=getComputedStyle(n);return[t(e),i.color]})));return n.remove(),i}}class f extends g{#s;#a;#l;#u={name:""};constructor(t,n,i={}){super("muigui-button",""),this.#s=t,this.#a=n,this.#l=this.addElem(e("button",{type:"button",onClick:()=>{this.#s[this.#a](this)}})),this.setOptions({name:n,...i})}setOptions(t){l(this.#u,t);const{name:e}=this.#u;this.#l.textContent=e}}function b(t,e){if(t.length!==e.length)return!1;for(let n=0;n{t.setValue(i.checked)},onChange:()=>{t.setFinalValue(i.checked)}});super(e("label",{},[i])),this.#b=i}updateDisplay(t){this.#b.checked=t}}const w=[],y=new Set;let k,E;function $(){k=void 0,E=!0;for(const t of w)y.has(t)||t();E=!1,y.size&&(E?C():(y.forEach((t=>{i(w,t)})),y.clear())),C()}function C(){!k&&w.length&&(k=requestAnimationFrame($))}let V=0;function I(){return"muigui-"+ ++V}class M extends m{constructor(t=""){super(e("div",{className:"muigui-value"})),t&&this.domElement.classList.add(t)}}class S extends g{#v;#x;constructor(t="",n=""){super("muigui-label-controller"),this.#v=I(),this.#x=e("label",{for:this.#v}),this.domElement.appendChild(this.#x),this.pushSubView(new M(t)),this.name(n)}get id(){return this.#v}name(t){return this.#x.title===this.#x.textContent&&(this.#x.title=t),this.#x.textContent=t,this}tooltip(t){this.#x.title=t}}class D extends S{#s;#a;#w;#y;#e;#k;constructor(t,e,n=""){super(n,e),this.#s=t,this.#a=e,this.#w=this.getValue(),this.#y=!1,this.#e=[]}get initialValue(){return this.#w}get object(){return this.#s}get property(){return this.#a}add(t){return this.#e.push(t),super.add(t),this.updateDisplay(),t}#E(t,e){let n=!1;if("object"==typeof t){const e=this.#s[this.#a];if(Array.isArray(t)||r(t))for(let i=0;i=0&&w.splice(e,1)}(this.#k)),this}}class N extends D{constructor(t,e){super(t,e,"muigui-checkbox");const n=this.id;this.add(new x(this,n)),this.updateDisplay()}}const F={to:t=>t,from:t=>[!0,t]},A={to:t=>t.toString(),from:t=>{const e=parseFloat(t);return[!Number.isNaN(e),e]}},U={radToDeg:c({to:[0,180],from:[0,Math.PI]})};function L(){let t=0;return function(e,n,i=5){t-=e.deltaY*n/i;const o=Math.floor(Math.abs(t)/n)*Math.sign(t)*n;return t-=o,o}}class O extends v{#$;#C;#V;#I;#u={step:.01,converters:A,min:Number.NEGATIVE_INFINITY,max:Number.POSITIVE_INFINITY};constructor(t,n){const i=t.setValue.bind(t),r=t.setFinalValue.bind(t),a=L();super(e("input",{type:"number",onInput:()=>this.#M(i,!0),onChange:()=>this.#M(r,!1),onWheel:e=>{e.preventDefault();const{min:n,max:i,step:r}=this.#u,l=a(e,r),u=parseFloat(this.domElement.value),c=o(s(u+l,(t=>t),r),n,i);t.setValue(c)}})),this.setOptions(n)}#M(t,e){const n=parseFloat(this.domElement.value),[i,r]=this.#C(n);let 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this.open(!1)}name(t){return this.#j.textContent=t,this}title(t){return this.name(t)}toggleOpen(){return this.open(!this.domElement.classList.contains("muigui-open")),this}}class ne extends g{constructor(t){super("muigui-label"),this.text(t)}text(t){return this.domElement.textContent=t,this}}function ie(){}function oe(t,e,n){const i=t.getBoundingClientRect(),o=e.clientX-i.left,r=e.clientY-i.top,s=o/i.width,a=r/i.height,l=o-(n=n||[o,r])[0],u=r-n[1];return{x:o,y:r,nx:s,ny:a,dx:l,dy:u,ndx:l/i.width,ndy:u/i.width}}function re(t,{onDown:e=ie,onMove:n=ie,onUp:i=ie}){let o;const r=function(e){const i={type:"move",...oe(t,e,o)};n(i)},s=function(e){t.releasePointerCapture(e.pointerId),t.removeEventListener("pointermove",r),t.removeEventListener("pointerup",s),document.body.style.backgroundColor="",i("up")},a=function(n){t.addEventListener("pointermove",r),t.addEventListener("pointerup",s),t.setPointerCapture(n.pointerId);const i=oe(t,n);o=[i.x,i.y],e({type:"down",...i})};return 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i=e=>{const n=o(e.nx,0,1),i=o(e.ny,0,1);this.#K[1]=n,this.#K[2]=1-i,this.#W=!0,this.#J=!0;const[r,s]=this.#C(this.#_(this.#K));r&&t.setValue(s)},r=e=>{const n=o(e.nx,0,1);this.#K[0]=n,this.#q=!0,this.#J=!0;const[i,r]=this.#C(this.#_(this.#K));i&&t.setValue(r)},s=e=>{const n=o(e.nx,0,1);this.#K[3]=n,this.#W=!0,this.#q=!0;const[i,r]=this.#C(this.#_(this.#K));i&&t.setValue(r)};re(this.#T,{onDown:i,onMove:i}),re(this.#z,{onDown:r,onMove:r}),re(this.#G,{onDown:s,onMove:s}),this.setOptions(n)}updateDisplay(t){this.#K||(this.#K=this.#X(this.#$(t)));{const[e,n,i,o=1]=this.#X(this.#$(t));this.#W||(this.#K[0]=n>.001&&i>.001?e:this.#K[0]),this.#q||(this.#K[1]=n,this.#K[2]=i),this.#J||(this.#K[3]=o)}{const[t,e,n,i]=this.#K,[o,r,s]=wt($t(this.#K));this.#W||this.#B.setAttribute("transform",`translate(${64*t}, 0)`),this.#P.children[0].setAttribute("stop-color",`hsl(${360*o} 0% 100% / ${i})`),this.#P.children[1].setAttribute("stop-color",`hsl(${360*o} 100% 50% / ${i})`),this.#J||this.#Y.setAttribute("transform",`translate(${64*i}, 0)`),this.#R.children[0].setAttribute("stop-color",`hsl(${360*o} ${100*r}% ${100*s}% / 0)`),this.#R.children[1].setAttribute("stop-color",`hsl(${360*o} ${100*r}% ${100*s}% / 1)`),this.#q||(this.#H.setAttribute("cx",""+64*e),this.#H.setAttribute("cy",""+48*(1-n)))}this.#W=!1,this.#q=!1,this.#J=!1}setOptions(t){l(this.#u,t);const{converters:{to:e,from:n},alpha:i}=this.#u;return this.#G.style.display=i?"":"none",this.#_=i?t=>rt($t(t)):t=>it(Et(t)),this.#X=i?t=>function([t,e,n,i]){return[...Vt([t,e,n]),i]}(ot(t)):t=>Vt(nt(t)),this.#$=e,this.#C=n,this}}class le extends D{#Z;#Q;#b;#tt;#u={open:!1};constructor(t,n,i={}){super(t,n,"muigui-pop-down-controller"),this.#Z=this.add(new Jt("div","muigui-pop-down-top"));const o=this.#Z.addElem(e("input",{type:"checkbox",onChange:()=>{this.#u.open=o.checked,this.updateDisplay()}}));this.#b=o,this.#Q=this.#Z.add(new Jt("div","muigui-pop-down-values")),this.#tt=this.add(new Jt("div","muigui-pop-down-bottom")),this.setOptions(i)}setKnobColor(t){this.#b&&(this.#b.style=`\n --range-color: ${t};\n --value-bg-color: ${t};\n `)}updateDisplay(){super.updateDisplay();const{open:t}=this.#u;this.domElement.children[1].classList.toggle("muigui-open",t),this.domElement.children[1].classList.toggle("muigui-closed",!t)}setOptions(t){l(this.#u,t),super.setOptions(t),this.updateDisplay()}addTop(t){return this.#Q.add(t)}addBottom(t){return this.#tt.add(t)}}class ue extends le{#A;#S;#$;#et;constructor(t,e,n={}){super(t,e,"muigui-color-chooser");const i=n.format||St(this.getValue()),{color:o,text:r}=qt[i];this.#$=o.to,this.#S=new G(this,{converters:r,alpha:It(i)}),this.#A=new ae(this,{converters:o,alpha:It(i)}),this.addTop(this.#S),this.addBottom(this.#A),this.#et=()=>{if(this.#$){const t=this.#$(this.getValue()),e=yt(Z(t));e[2]=(e[2]+50)%100;const n=Q(vt(e));this.setKnobColor(`${t.substring(0,7)}FF`,n)}},this.updateDisplay()}updateDisplay(){super.updateDisplay(),this.#et&&this.#et()}setOptions(t){return super.setOptions(t),this}}class ce extends ee{add(t,e,...n){const i=t instanceof g?t:function(t,e,...n){const[i]=n;if(Array.isArray(i))return new z(t,e,{keyValues:i});const o=typeof t[e];switch(o){case"number":if("number"==typeof n[0]&&"number"==typeof n[1]){const i=n[0],o=n[1],r=n[2];return new B(t,e,{min:i,max:o,...r&&{step:r}})}return 0===n.length?new j(t,e,...n):new B(t,e,...n);case"boolean":return new N(t,e,...n);case"function":return new f(t,e,...n);case"string":return new R(t,e,...n);case"undefined":throw new Error(`no property named ${e}`);default:throw new Error(`unhandled type ${o} for property ${e}`)}}(t,e,...n);return this.addController(i)}addCanvas(t){return this.addController(new _t(t))}addColor(t,e,n={}){const i=t[e];return It(n.format||St(i))?this.addController(new ue(t,e,n)):this.addController(new Zt(t,e,n))}addDivider(){return this.addController(new Qt)}addFolder(t){return this.addController(new ce(t))}addLabel(t){return this.addController(new ne(t))}}class he extends HTMLElement{constructor(){super(),this.shadow=this.attachShadow({mode:"open"})}}customElements.define("muigui-element",he);const de=new CSSStyleSheet;de.replaceSync(t.default);const pe=new CSSStyleSheet;function me(t){let e,n;function i(){if(e&&!n){const o=e;e=void 0,n=t.replace(o).then((()=>{n=void 0,i()}))}}return function(t){e=t,i()}}const ge=me(de),fe=me(pe);class be extends ce{static converters=U;static mapRange=u;static makeRangeConverters=c;static makeRangeOptions=h;static makeMinMaxPair=p;#nt=new CSSStyleSheet;constructor(t={}){super("Controls","muigui-root"),t instanceof HTMLElement&&(t={parent:t});const{autoPlace:n=!0,width:i,title:o="Controls"}=t;let{parent:r}=t;if(i&&(this.domElement.style.width=/^\d+$/.test(i)?`${i}px`:i),void 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\n\n',onWheel:e=>{e.preventDefault();const{min:n,max:r,step:l}=this.#u,u=i(e,l);let c=this.#rt+u;this.#st&&(c=a(c-n,r-n)+n);const h=o(s(c,(t=>t),l),n,r);t.setValue(h)}}));const r=e=>{const{min:n,max:i,step:r,dirMin:a,dirMax:l}=this.#u,u=2*e.nx-1,c=2*e.ny-1,h=Math.atan2(c,u),d=(a+l)/2,p=o(($e(h-d)-$e(a-d))/(l-a),0,1),m=s(n+(i-n)*p,(t=>t),r);t.setValue(m)};re(this.domElement,{onDown:r,onMove:r}),we(this.domElement,{onDown:e=>{const{min:n,max:i,step:r}=this.#u,a=o(s(this.#rt+e.dx*r,(t=>t),r),n,i);t.setValue(a)}}),this.#it=this.$("#muigui-arrow"),this.#ot=this.$("#muigui-range"),this.setOptions(n)}updateDisplay(t){this.#rt=t;const{min:e,max:n}=this.#u,i=(t-e)/(n-e),o=(r=this.#u.dirMin,s=this.#u.dirMax,r+(s-r)*i);var r,s;this.#it.style.transform=`rotate(${o}rad)`}setOptions(t){l(this.#u,t);const{dirMin:e,dirMax:n,wrap:i}=this.#u;this.#st=void 0!==i?i:Math.abs(e-n)>=2*Math.PI-Number.EPSILON;const[o,r]=e(o.push(i),e("label",{},[e("input",{type:"radio",name:r,value:a,onChange:function(){this.checked&&t.setFinalValue(s.#D[this.value])}}),e("button",{type:"button",textContent:n,onClick:function(){this.previousElementSibling.click()}})]))))));const s=this;this.#D=o,this.cols(i)}updateDisplay(t){const e=this.#D.indexOf(t);for(let t=0;t{e({rect:t.getBoundingClientRect(),elem:t})})).observe(t)}function Me(t,e,n,i){Ie(t,(({rect:o})=>{const{width:r,height:s}=o;t.setAttribute("viewBox",`-${r*e} -${s*n} ${r} ${s}`),i({elem:t,rect:o})}))}function Se(t,e,n,i,o,r){const a=[];tt),n)),e=Math.min(e,o);for(let i=t;i<=e;i+=n)a.push(`M${i} 0 l0 ${r}`);return a.join(" ")}class De extends v{#at;#lt;#ut;#ct;#ht;#dt;#pt;#mt;#gt;#rt;#ft;#u={min:-100,max:100,step:1,unit:10,unitSize:10,ticksPerUnit:5,labelFn:t=>t,tickHeight:1,limits:!0,thicksColor:void 0,orientation:void 0};constructor(t,n){const i=L();let r;super(e("div",{innerHTML:'\n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \x3c!----\x3e\n \x3c!----\x3e\n \n \n \n \n\n',className:"muigui-no-v-scroll",onWheel:e=>{e.preventDefault();const{min:n,max:r,step:a}=this.#u,l=i(e,a),u=o(s(this.#rt+l,(t=>t),a),n,r);t.setValue(u)}})),this.#at=this.$("svg"),this.#lt=this.$("#muigui-origin"),this.#ut=this.$("#muigui-ticks"),this.#ct=this.$("#muigui-thicks"),this.#ht=this.$("#muigui-numbers"),this.#dt=this.$("#muigui-left-grad"),this.#pt=this.$("#muigui-right-grad"),this.setOptions(n),re(this.domElement,{onDown:()=>{r=this.#rt},onMove:e=>{const{min:n,max:i,unitSize:a,unit:l,step:u}=this.#u,c=o(s(r-e.dx/a*l,(t=>t),u),n,i);t.setValue(c)}}),we(this.domElement,{onDown:e=>{const{min:n,max:i,step:r}=this.#u,a=o(s(this.#rt+e.dx*r,(t=>t),r),n,i);t.setValue(a)}}),Me(this.#at,.5,0,(({rect:{width:t}})=>{this.#dt.setAttribute("x",-t/2),this.#pt.setAttribute("x",t/2-20),this.#ft=function(t){const e=t.innerHTML;t.innerHTML="- ";const n=t.querySelector("text").getComputedTextLength();return t.innerHTML=e,n}(this.#ht),this.#mt=t,this.#bt()}))}#bt(){if(!this.#mt||void 0===this.#rt)return;const{labelFn:t,limits:e,min:n,max:i,orientation:o,tickHeight:r,ticksPerUnit:a,unit:l,unitSize:u,thicksColor:c}=this.#u,h=Math.ceil(this.#mt/u),d=this.#rt/l,p=Math.round(d-h),m=p*u,g=(p+2*h)*u,f=e?n*u/l:m,b=e?i*u/l:g,v=""===t(1)?10:5;a>1&&this.#ut.setAttribute("d",Se(m,g,u/a,f,b,v*r)),this.#ct.style.stroke=c,this.#ct.setAttribute("d",Se(m,g,u,f,b,v)),this.#ht.innerHTML=function(t,e,n,i,o,r,a,l){const u=[];tt),n)),e=Math.min(e,a);const c=Math.max(0,-Math.log10(i));for(let r=t;r<=e;r+=n)u.push(`${h=r/n*i,l(h.toFixed(c))}`);var h;return u.join("\n")}(m,g,u,l,this.#ft,f,b,t),this.#lt.setAttribute("transform",`translate(${-this.#rt*u/l} 0)`),this.#at.classList.toggle("muigui-slider-up","up"===o)}updateDisplay(t){this.#rt=t,this.#bt()}setOptions(t){return l(this.#u,t),this}}class Ne extends v{#at;#it;#H;#rt=[];constructor(t){super(e("div",{innerHTML:'\n\n \n \n \n \n \n\n',className:"muigui-no-scroll"}));const n=e=>{const{width:n,height:i}=this.#at.getBoundingClientRect(),o=2*e.nx-1,r=2*e.ny-1;t.setValue([o*n*.5,r*i*.5])};re(this.domElement,{onDown:n,onMove:n}),this.#at=this.$("svg"),this.#it=this.$("#muigui-arrow"),this.#H=this.$("#muigui-circle"),Me(this.#at,.5,.5,(()=>this.#vt))}#vt(){const[t,e]=this.#rt;this.#it.setAttribute("d",`M0,0L${t},${e}`),this.#H.setAttribute("transform",`translate(${t}, ${e})`)}updateDisplay(t){this.#rt[0]=t[0],this.#rt[1]=t[1],this.#vt()}}return be.ColorChooser=ue,be.Direction=class extends le{#u;constructor(t,e,n){super(t,e,"muigui-direction"),this.#u=n,this.addTop(new O(this,F)),this.addBottom(new Ce(this,n)),this.updateDisplay()}},be.RadioGrid=class extends D{constructor(t,e,n){super(t,e,"muigui-radio-grid");const i="number"==typeof this.getValue(),{keyValues:o,cols:r=3}=n,s=H(o,i);this.add(new Ve(this,s,r)),this.updateDisplay()}},be.Range=B,be.Select=z,be.Slider=class extends D{constructor(t,e,n={}){super(t,e,"muigui-slider"),this.add(new De(this,n)),this.add(new O(this,n)),this.updateDisplay()}},be.TextNumber=j,be.Vec2=class extends le{constructor(t,e){super(t,e,"muigui-vec2");const n=t=>({setValue:e=>{const n=this.getValue();n[t]=e,this.setValue(n)},setFinalValue:e=>{const n=this.getValue();n[t]=e,this.setFinalValue(n)}});this.addTop(new O(n(0),{converters:{to:t=>t[0],from:A.from}})),this.addTop(new O(n(1),{converters:{to:t=>t[1],from:A.from}})),this.addBottom(new Ne(this)),this.updateDisplay()}},be})); +//# sourceMappingURL=muigui.min.js.map diff --git a/dist/0.x/muigui.min.js.map b/dist/0.x/muigui.min.js.map new file mode 100644 index 0000000..37cc366 --- /dev/null +++ b/dist/0.x/muigui.min.js.map @@ -0,0 +1 @@ +{"version":3,"file":"muigui.min.js","sources":["../../src/styles/muigui.css.js","../../src/libs/elem.js","../../src/libs/utils.js","../../../src/views/View.ts","../../src/controllers/Controller.js","../../src/controllers/Button.js","../../src/views/EditView.js","../../src/views/CheckboxView.js","../../src/libs/taskrunner.js","../../src/libs/ids.js","../../src/views/ValueView.js","../../src/controllers/LabelController.js","../../src/controllers/ValueController.js","../../src/controllers/Checkbox.js","../../src/libs/conversions.js","../../src/libs/wheel.js","../../src/views/NumberView.js","../../src/controllers/TextNumber.js","../../src/views/SelectView.js","../../src/libs/key-values.js","../../src/controllers/Select.js","../../src/views/RangeView.js","../../src/controllers/Range.js","../../src/views/TextView.js","../../src/controllers/Text.js","../../src/libs/color-utils.js","../../src/views/ElementView.js","../../src/controllers/Canvas.js","../../src/views/ColorView.js","../../src/controllers/Color.js","../../src/controllers/Divider.js","../../src/controllers/Container.js","../../src/controllers/Folder.js","../../src/controllers/Label.js","../../src/libs/touch.js","../../src/views/ColorChooserView.js","../../src/controllers/PopDownController.js","../../src/controllers/ColorChooser.js","../../src/muigui.js","../../src/controllers/create-controller.js","../../src/libs/keyboard.js","../../src/libs/assert.js","../../src/libs/svg.js","../../src/views/DirectionView.js","../../src/views/RadioGridView.js","../../src/libs/resize-helpers.js","../../src/views/SliderView.js","../../src/views/Vec2View.js","../../src/umd.js","../../src/controllers/Direction.js","../../src/controllers/RadioGrid.js","../../src/controllers/Slider.js","../../src/controllers/Vec2.js"],"sourcesContent":["export default {\n default: `\n.muigui {\n --bg-color: #ddd;\n --color: #222;\n --contrast-color: #eee;\n --value-color: #145 ;\n --value-bg-color: #eeee;\n --disabled-color: #999;\n --menu-bg-color: #f8f8f8;\n --menu-sep-color: #bbb;\n --hover-bg-color: #999;\n --focus-color: #68C;\n --range-color: #888888;\n --invalid-color: #FF0000;\n --selected-color: rgb(255, 255, 255, 0.9);\n\n --button-bg-color: var(--value-bg-color);\n\n --range-left-color: var(--value-color);\n --range-right-color: var(--value-bg-color); \n --range-right-hover-color: var(--hover-bg-color);\n\n color: var(--color);\n background-color: var(--bg-color);\n}\n\n@media (prefers-color-scheme: dark) {\n .muigui {\n --bg-color: #222222;\n --color: #dddddd;\n --contrast-color: #000;\n --value-color: #43e5f7;\n --value-bg-color: #444444;\n --disabled-color: #666666;\n --menu-bg-color: #080808;\n --menu-sep-color: #444444;\n --hover-bg-color: #666666;\n --focus-color: #88AAFF;\n --range-color: #888888;\n --invalid-color: #FF6666;\n --selected-color: rgba(255, 255, 255, 0.3);\n\n --button-bg-color: var(--value-bg-color);\n\n --range-left-color: var(--value-color);\n --range-right-color: var(--value-bg-color); \n --range-right-hover-color: var(--hover-bg-color);\n\n color: var(--color);\n background-color: var(--bg-color);\n }\n}\n\n.muigui {\n --width: 250px;\n --label-width: 45%;\n --number-width: 40%;\n\n\n --font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Arial, sans-serif;\n --font-size: 11px;\n --font-family-mono: Menlo, Monaco, Consolas, \"Droid Sans Mono\", monospace;\n --font-size-mono: 11px;\n\n --line-height: 1.7em;\n --border-radius: 0px;\n\n width: var(--width);\n font-family: var(--font-family);\n font-size: var(--font-size);\n box-sizing: border-box;\n line-height: 100%;\n}\n.muigui * {\n box-sizing: inherit;\n}\n\n.muigui-no-scroll {\n touch-action: none;\n}\n.muigui-no-h-scroll {\n touch-action: pan-y;\n}\n.muigui-no-v-scroll {\n touch-action: pan-x;\n}\n\n.muigui-invalid-value {\n background-color: red !important;\n color: white !important;\n}\n\n.muigui-grid {\n display: grid;\n}\n.muigui-rows {\n display: flex;\n flex-direction: column;\n\n min-height: 20px;\n border: 2px solid red;\n}\n.muigui-columns {\n display: flex;\n flex-direction: row;\n\n height: 20px;\n border: 2px solid green;\n}\n.muigui-rows>*,\n.muigui-columns>* {\n flex: 1 1 auto;\n align-items: stretch;\n min-height: 0;\n min-width: 0;\n}\n\n.muigui-row {\n border: 2px solid yellow;\n min-height: 10px\n}\n.muigui-column {\n border: 2px solid lightgreen;\n}\n\n/* -------- */\n\n.muigui-show { /* */ }\n.muigui-hide { \n display: none !important;\n}\n.muigui-disabled {\n pointer-events: none;\n --color: var(--disabled-color) !important;\n --value-color: var(--disabled-color) !important;\n --range-left-color: var(--disabled-color) !important;\n}\n\n.muigui canvas,\n.muigui svg {\n display: block;\n border-radius: var(--border-radius);\n}\n.muigui canvas {\n background-color: var(--value-bg-color);\n}\n\n.muigui-controller {\n min-width: 0;\n min-height: var(--line-height);\n}\n.muigui-root,\n.muigui-menu {\n display: flex;\n flex-direction: column;\n position: relative;\n user-select: none;\n height: fit-content;\n margin: 0;\n padding-bottom: 0.1em;\n border-radius: var(--border-radius);\n}\n.muigui-menu {\n border-bottom: 1px solid var(--menu-sep-color);\n}\n\n.muigui-root>button:nth-child(1),\n.muigui-menu>button:nth-child(1) {\n border-top: 1px solid var(--menu-sep-color);\n border-bottom: 1px solid var(--menu-sep-color);\n position: relative;\n text-align: left;\n color: var(--color);\n background-color: var(--menu-bg-color);\n min-height: var(--line-height);\n padding-top: 0.2em;\n padding-bottom: 0.2em;\n cursor: pointer;\n border-radius: var(--border-radius);\n}\n.muigui-root>div:nth-child(2),\n.muigui-menu>div:nth-child(2) {\n flex: 1 1 auto;\n}\n\n.muigui-controller {\n margin-left: 0.2em;\n margin-right: 0.2em;\n}\n.muigui-root.muigui-controller,\n.muigui-menu.muigui-controller {\n margin-left: 0;\n margin-right: 0;\n}\n.muigui-controller>*:nth-child(1) {\n flex: 1 0 var(--label-width);\n min-width: 0;\n white-space: pre;\n}\n.muigui-controller>label:nth-child(1) {\n place-content: center start;\n display: inline-grid;\n overflow: hidden;\n}\n.muigui-controller>*:nth-child(2) {\n flex: 1 1 75%;\n min-width: 0;\n}\n\n/* -----------------------------------------\n a label controller is [[label][value]]\n*/\n\n.muigui-label-controller {\n display: flex;\n margin: 0.4em 0 0.4em 0;\n word-wrap: initial;\n align-items: stretch;\n}\n\n.muigui-value {\n display: flex;\n align-items: stretch;\n}\n.muigui-value>* {\n flex: 1 1 auto;\n min-width: 0;\n}\n.muigui-value>*:nth-child(1) {\n flex: 1 1 calc(100% - var(--number-width));\n}\n.muigui-value>*:nth-child(2) {\n flex: 1 1 var(--number-width);\n margin-left: 0.2em;\n}\n\n/* fix! */\n.muigui-open>button>label::before,\n.muigui-closed>button>label::before {\n width: 1.25em;\n height: var(--line-height);\n display: inline-grid;\n place-content: center start;\n pointer-events: none;\n}\n.muigui-open>button>label::before {\n content: \"ⓧ\"; /*\"▼\";*/\n}\n.muigui-closed>button>label::before {\n content: \"⨁\"; /*\"▶\";*/\n}\n.muigui-open>*:nth-child(2) {\n transition: max-height 0.2s ease-out,\n opacity 0.5s ease-out;\n max-height: 100vh;\n overflow: auto;\n opacity: 1;\n}\n\n.muigui-closed>*:nth-child(2) {\n transition: max-height 0.2s ease-out,\n opacity 1s;\n max-height: 0;\n opacity: 0;\n overflow: hidden;\n}\n\n/* ---- popdown ---- */\n\n.muigui-pop-down-top {\n display: flex;\n}\n/* fix? */\n.muigui-value>*:nth-child(1).muigui-pop-down-top {\n flex: 0;\n}\n.muigui-pop-down-bottom {\n\n}\n\n.muigui-pop-down-values {\n min-width: 0;\n display: flex;\n}\n.muigui-pop-down-values>* {\n flex: 1 1 auto;\n min-width: 0;\n}\n\n.muigui-value.muigui-pop-down-controller {\n flex-direction: column;\n}\n\n.muigui-pop-down-top input[type=checkbox] {\n -webkit-appearance: none;\n appearance: none;\n width: auto;\n color: var(--value-color);\n background-color: var(--value-bg-color);\n cursor: pointer;\n\n display: grid;\n place-content: center;\n margin: 0;\n font: inherit;\n color: currentColor;\n width: 1.7em;\n height: 1.7em;\n transform: translateY(-0.075em);\n}\n\n.muigui-pop-down-top input[type=checkbox]::before {\n content: \"+\";\n display: grid;\n place-content: center;\n border-radius: calc(var(--border-radius) + 2px);\n border-left: 1px solid rgba(255,255,255,0.3);\n border-top: 1px solid rgba(255,255,255,0.3);\n border-bottom: 1px solid rgba(0,0,0,0.2);\n border-right: 1px solid rgba(0,0,0,0.2);\n background-color: var(--range-color);\n color: var(--value-bg-color);\n width: calc(var(--line-height) - 4px);\n height: calc(var(--line-height) - 4px);\n}\n\n.muigui-pop-down-top input[type=checkbox]:checked::before {\n content: \"Ｘ\";\n}\n\n\n/* ---- select ---- */\n\n.muigui select,\n.muigui option,\n.muigui input,\n.muigui button {\n color: var(--value-color);\n background-color: var(--value-bg-color);\n font-family: var(--font-family);\n font-size: var(--font-size);\n border: none;\n margin: 0;\n border-radius: var(--border-radius);\n}\n.muigui select {\n appearance: none;\n margin: 0;\n margin-left: 0; /*?*/\n overflow: hidden; /* Safari */\n}\n\n.muigui select:focus,\n.muigui input:focus,\n.muigui button:focus {\n outline: 1px solid var(--focus-color);\n}\n\n.muigui select:hover,\n.muigui option:hover,\n.muigui input:hover,\n.muigui button:hover {\n background-color: var(--hover-bg-color); \n}\n\n/* ------ [ label ] ------ */\n\n.muigui-label {\n border-top: 1px solid var(--menu-sep-color);\n border-bottom: 1px solid var(--menu-sep-color);\n padding-top: 0.4em;\n padding-bottom: 0.3em;\n place-content: center start;\n background-color: var(--menu-bg-color);\n white-space: pre;\n border-radius: var(--border-radius);\n}\n\n/* ------ [ divider] ------ */\n\n.muigui-divider {\n min-height: 6px;\n border-top: 2px solid var(--menu-sep-color);\n margin-top: 6px;\n}\n\n/* ------ [ button ] ------ */\n\n.muigui-button {\n display: grid;\n\n}\n.muigui-button button {\n border: none;\n color: var(--value-color);\n background-color: var(--button-bg-color);\n cursor: pointer;\n place-content: center center;\n}\n\n/* ------ [ color ] ------ */\n\n.muigui-color>div {\n overflow: hidden;\n position: relative;\n margin-left: 0;\n margin-right: 0; /* why? */\n max-width: var(--line-height);\n border-radius: var(--border-radius);\n}\n\n.muigui-color>div:focus-within {\n outline: 1px solid var(--focus-color);\n}\n\n.muigui-color input[type=color] {\n border: none;\n padding: 0;\n background: inherit;\n cursor: pointer;\n position: absolute;\n width: 200%;\n left: -10px;\n top: -10px;\n height: 200%;\n}\n.muigui-disabled canvas,\n.muigui-disabled svg,\n.muigui-disabled img,\n.muigui-disabled .muigui-color input[type=color] {\n opacity: 0.2;\n}\n\n/* ------ [ checkbox ] ------ */\n\n.muigui-checkbox>label:nth-child(2) {\n display: grid;\n place-content: center start;\n margin: 0;\n}\n\n.muigui-checkbox input[type=checkbox] {\n -webkit-appearance: none;\n appearance: none;\n width: auto;\n color: var(--value-color);\n background-color: var(--value-bg-color);\n cursor: pointer;\n\n display: grid;\n place-content: center;\n margin: 0;\n font: inherit;\n color: currentColor;\n width: 1.7em;\n height: 1.7em;\n transform: translateY(-0.075em);\n}\n\n.muigui-checkbox input[type=checkbox]::before {\n content: \"\";\n color: var(--value-color);\n display: grid;\n place-content: center;\n}\n\n.muigui-checkbox input[type=checkbox]:checked::before {\n content: \"✔\";\n}\n\n.muigui input[type=number]::-webkit-inner-spin-button, \n.muigui input[type=number]::-webkit-outer-spin-button { \n -webkit-appearance: none;\n appearance: none;\n margin: 0; \n}\n.muigui input[type=number] {\n -moz-appearance: textfield;\n}\n\n/* ------ [ radio grid ] ------ */\n\n.muigui-radio-grid>div {\n display: grid;\n gap: 2px;\n}\n\n.muigui-radio-grid input {\n appearance: none;\n display: none;\n}\n\n.muigui-radio-grid button {\n color: var(--color);\n width: 100%;\n text-align: left;\n}\n\n.muigui-radio-grid input:checked + button {\n color: var(--value-color);\n background-color: var(--selected-color);\n}\n\n/* ------ [ color-chooser ] ------ */\n\n.muigui-color-chooser-cursor {\n stroke-width: 1px;\n stroke: white;\n fill: none;\n}\n.muigui-color-chooser-circle {\n stroke-width: 1px;\n stroke: white;\n fill: none;\n}\n\n\n/* ------ [ vec2 ] ------ */\n\n.muigui-vec2 svg {\n background-color: var(--value-bg-color);\n}\n\n.muigui-vec2-axis {\n stroke: 1px;\n stroke: var(--focus-color);\n}\n\n.muigui-vec2-line {\n stroke-width: 1px;\n stroke: var(--value-color);\n fill: var(--value-color);\n}\n\n/* ------ [ direction ] ------ */\n\n.muigui-direction svg {\n background-color: rgba(0,0,0,0.2);\n}\n\n.muigui-direction:focus-within svg {\n outline: none;\n}\n.muigui-direction-range {\n fill: var(--value-bg-color);\n}\n.muigui-direction svg:focus {\n outline: none;\n}\n.muigui-direction svg:focus .muigui-direction-range {\n stroke-width: 0.5px;\n stroke: var(--focus-color);\n}\n\n.muigui-direction-arrow {\n fill: var(--value-color);\n}\n\n/* ------ [ slider ] ------ */\n\n.muigui-slider>div {\n display: flex;\n align-items: stretch;\n height: var(--line-height);\n}\n.muigui-slider svg {\n flex: 1 1 auto;\n}\n.muigui-slider .muigui-slider-up #muigui-orientation {\n transform: scale(1, -1) translateY(-100%);\n}\n\n.muigui-slider .muigui-slider-up #muigui-number-orientation {\n transform: scale(1,-1);\n}\n\n.muigui-ticks {\n stroke: var(--range-color);\n}\n.muigui-thicks {\n stroke: var(--color);\n stroke-width: 2px;\n}\n.muigui-svg-text {\n fill: var(--color);\n font-size: 7px;\n}\n.muigui-mark {\n fill: var(--value-color);\n}\n\n/* ------ [ range ] ------ */\n\n\n.muigui-range input[type=range] {\n -webkit-appearance: none;\n appearance: none;\n background-color: transparent;\n}\n\n.muigui-range input[type=range]::-webkit-slider-thumb {\n -webkit-appearance: none;\n appearance: none;\n border-radius: calc(var(--border-radius) + 2px);\n border-left: 1px solid rgba(255,255,255,0.3);\n border-top: 1px solid rgba(255,255,255,0.3);\n border-bottom: 1px solid rgba(0,0,0,0.2);\n border-right: 1px solid rgba(0,0,0,0.2);\n background-color: var(--range-color);\n margin-top: calc((var(--line-height) - 2px) / -2);\n width: calc(var(--line-height) - 2px);\n height: calc(var(--line-height) - 2px);\n}\n\n.muigui-range input[type=range]::-webkit-slider-runnable-track {\n -webkit-appearance: none;\n appearance: none;\n border: 1px solid var(--menu-sep-color);\n height: 2px;\n}\n\n\n/* dat.gui style - doesn't work on Safari iOS */\n\n/*\n.muigui-range input[type=range] {\n cursor: ew-resize;\n overflow: hidden;\n}\n\n.muigui-range input[type=range] {\n -webkit-appearance: none;\n appearance: none;\n background-color: var(--range-right-color);\n margin: 0;\n}\n.muigui-range input[type=range]:hover {\n background-color: var(--range-right-hover-color);\n}\n\n.muigui-range input[type=range]::-webkit-slider-runnable-track {\n -webkit-appearance: none;\n appearance: none;\n height: max-content;\n color: var(--range-left-color);\n margin-top: -1px;\n}\n\n.muigui-range input[type=range]::-webkit-slider-thumb {\n -webkit-appearance: none;\n appearance: none;\n width: 0px;\n height: max-content;\n box-shadow: -1000px 0 0 1000px var(--range-left-color);\n}\n*/\n\n/* FF */\n/*\n.muigui-range input[type=range]::-moz-slider-progress {\n background-color: var(--range-left-color); \n}\n.muigui-range input[type=range]::-moz-slider-thumb {\n height: max-content;\n width: 0;\n border: none;\n box-shadow: -1000px 0 0 1000px var(--range-left-color);\n box-sizing: border-box;\n}\n*/\n\n.muigui-checkered-background {\n background-color: #404040;\n background-image:\n linear-gradient(45deg, #808080 25%, transparent 25%),\n linear-gradient(-45deg, #808080 25%, transparent 25%),\n linear-gradient(45deg, transparent 75%, #808080 75%),\n linear-gradient(-45deg, transparent 75%, #808080 75%);\n background-size: 16px 16px;\n background-position: 0 0, 0 8px, 8px -8px, -8px 0px;\n}\n\n/* ---------------------------------------------------------- */\n\n/* needs to be at bottom to take precedence */\n.muigui-auto-place {\n max-height: 100%;\n position: fixed;\n top: 0;\n right: 15px;\n z-index: 100001;\n}\n\n`,\nthemes: {\n default: '',\n float: `\n :root {\n color-scheme: light dark,\n }\n\n .muigui {\n --width: 400px;\n --bg-color: initial;\n --label-width: 25%;\n --number-width: 20%;\n }\n\n input,\n .muigui-label-controller>label {\n text-shadow:\n -1px -1px 0 var(--contrast-color),\n 1px -1px 0 var(--contrast-color),\n -1px 1px 0 var(--contrast-color),\n 1px 1px 0 var(--contrast-color);\n }\n\n .muigui-controller > label:nth-child(1) {\n place-content: center end;\n margin-right: 1em;\n }\n\n .muigui-value > :nth-child(2) {\n margin-left: 1em;\n }\n\n .muigui-root>*:nth-child(1) {\n display: none;\n }\n\n .muigui-range input[type=range]::-webkit-slider-thumb {\n border-radius: 1em;\n }\n\n .muigui-range input[type=range]::-webkit-slider-runnable-track {\n -webkit-appearance: initial;\n appearance: none;\n border: 1px solid rgba(0, 0, 0, 0.25);\n height: 2px;\n }\n\n .muigui-colors {\n --value-color: var(--color );\n --value-bg-color: rgba(0, 0, 0, 0.1);\n --disabled-color: #cccccc;\n --menu-bg-color: rgba(0, 0, 0, 0.1);\n --menu-sep-color: #bbbbbb;\n --hover-bg-color: rgba(0, 0, 0, 0);\n --invalid-color: #FF0000;\n --selected-color: rgba(0, 0, 0, 0.3);\n --range-color: rgba(0, 0, 0, 0.125);\n }\n`,\n},\n};\n","export function setElemProps(elem, attrs, children) {\n for (const [key, value] of Object.entries(attrs)) {\n if (typeof value === 'function' && key.startsWith('on')) {\n const eventName = key.substring(2).toLowerCase();\n elem.addEventListener(eventName, value, {passive: false});\n } else if (typeof value === 'object') {\n for (const [k, v] of Object.entries(value)) {\n elem[key][k] = v;\n }\n } else if (elem[key] === undefined) {\n elem.setAttribute(key, value);\n } else {\n elem[key] = value;\n }\n }\n for (const child of children) {\n elem.appendChild(child);\n }\n return elem;\n}\n\nexport function createElem(tag, attrs = {}, children = []) {\n const elem = document.createElement(tag);\n setElemProps(elem, attrs, children);\n return elem;\n}\n\nexport function addElem(tag, parent, attrs = {}, children = []) {\n const elem = createElem(tag, attrs, children);\n parent.appendChild(elem);\n return elem;\n}\n\nlet nextId = 0;\nexport function getNewId() {\n return `muigui-id-${nextId++}`;\n}\n","export function removeArrayElem(array, value) {\n const ndx = array.indexOf(value);\n if (ndx) {\n array.splice(ndx, 1);\n }\n return array;\n}\n\n/**\n * Converts an camelCase or snake_case id to \"camel case\" or \"snake case\"\n * @param {string} id\n */\nconst underscoreRE = /_/g;\nconst upperLowerRE = /([A-Z])([a-z])/g;\nexport function idToLabel(id) {\n return id.replace(underscoreRE, ' ')\n .replace(upperLowerRE, (m, m1, m2) => `${m1.toLowerCase()} ${m2}`);\n}\n\nexport function clamp(v, min, max) {\n return Math.max(min, Math.min(max, v));\n}\n\nexport const isTypedArray = typeof SharedArrayBuffer !== 'undefined'\n ? function isArrayBufferOrSharedArrayBuffer(a) {\n return a && a.buffer && (a.buffer instanceof ArrayBuffer || a.buffer instanceof SharedArrayBuffer);\n }\n : function isArrayBuffer(a) {\n return a && a.buffer && a.buffer instanceof ArrayBuffer;\n };\n\nexport const isArrayOrTypedArray = v => Array.isArray(v) || isTypedArray(v);\n\n// Yea, I know this should be `Math.round(v / step) * step\n// but try step = 0.1, newV = 19.95\n//\n// I get\n// Math.round(19.95 / 0.1) * 0.1\n// 19.900000000000002\n// vs\n// Math.round(19.95 / 0.1) / (1 / 0.1)\n// 19.9\n//\nexport const stepify = (v, from, step) => Math.round(from(v) / step) / (1 / step);\n\nexport const euclideanModulo = (v, n) => ((v % n) + n) % n;\nexport const lerp = (a, b, t) => a + (b - a) * t;\nexport function copyExistingProperties(dst, src) {\n for (const key in src) {\n if (key in dst) {\n dst[key] = src[key];\n }\n }\n return dst;\n}\n\nexport const mapRange = (v, inMin, inMax, outMin, outMax) => (v - inMin) * (outMax - outMin) / (inMax - inMin) + outMin;\n\nexport const makeRangeConverters = ({from, to}) => {\n return {\n to: v => mapRange(v, ...from, ...to),\n from: v => [true, mapRange(v, ...to, ...from)],\n };\n};\n\nexport const makeRangeOptions = ({from, to, step}) => {\n return {\n min: to[0],\n max: to[1],\n ...(step && {step}),\n converters: makeRangeConverters({from, to}),\n };\n};\n\n// TODO: remove an use one in conversions. Move makeRangeConverters there?\nexport const identity = {\n to: v => v,\n from: v => [true, v],\n};\nexport function makeMinMaxPair(gui, properties, minPropName, maxPropName, options) {\n const { converters: { from } = identity } = options;\n const { min, max } = options;\n const guiMinRange = options.minRange || 0;\n const valueMinRange = from(guiMinRange)[1];\n const minGui = gui\n .add(properties, minPropName, {\n ...options,\n min,\n max: max - guiMinRange,\n })\n .onChange(v => {\n maxGui.setValue(Math.min(max, Math.max(v + valueMinRange, properties[maxPropName])));\n });\n const maxGui = gui\n .add(properties, maxPropName, {\n ...options,\n min: min + guiMinRange,\n max,\n })\n .onChange(v => {\n minGui.setValue(Math.max(min, Math.min(v - valueMinRange, properties[minPropName])));\n });\n return [ minGui, maxGui ];\n}\n\n","import { removeArrayElem } from '../libs/utils.js';\n\nexport default class View {\n domElement: HTMLElement;\n\n #childDestElem: HTMLElement;\n #views: View[] = [];\n\n constructor(elem: HTMLElement) {\n this.domElement = elem;\n this.#childDestElem = elem;\n }\n addElem(elem: HTMLElement) {\n this.#childDestElem.appendChild(elem);\n return elem;\n }\n removeElem(elem: HTMLElement) {\n this.#childDestElem.removeChild(elem);\n return elem;\n }\n pushSubElem(elem: HTMLElement) {\n this.#childDestElem.appendChild(elem);\n this.#childDestElem = elem;\n }\n popSubElem() {\n this.#childDestElem = this.#childDestElem.parentElement!;\n }\n add(view: View) {\n this.#views.push(view);\n this.addElem(view.domElement);\n return view;\n }\n remove(view: View) {\n this.removeElem(view.domElement);\n removeArrayElem(this.#views, view);\n return view;\n }\n pushSubView(view: View) {\n this.pushSubElem(view.domElement);\n }\n popSubView() {\n this.popSubElem();\n }\n setOptions(options: any) {\n for (const view of this.#views) {\n view.setOptions(options);\n }\n }\n updateDisplayIfNeeded(newV: any, ignoreCache?: boolean) {\n for (const view of this.#views) {\n view.updateDisplayIfNeeded(newV, ignoreCache);\n }\n return this;\n }\n $(selector: string) {\n return this.domElement.querySelector(selector);\n }\n}","import { createElem } from '../libs/elem.js';\nimport { removeArrayElem } from '../libs/utils.js';\nimport View from '../views/View.js';\n\nexport default class Controller extends View {\n #changeFns;\n #finishChangeFns;\n #parent;\n\n constructor(className) {\n super(createElem('div', {className: 'muigui-controller'}));\n this.#changeFns = [];\n this.#finishChangeFns = [];\n // we need the specialization to come last so it takes precedence.\n if (className) {\n this.domElement.classList.add(className);\n }\n }\n get parent() {\n return this.#parent;\n }\n setParent(parent) {\n this.#parent = parent;\n this.enable(!this.disabled());\n }\n show(show = true) {\n this.domElement.classList.toggle('muigui-hide', !show);\n this.domElement.classList.toggle('muigui-show', show);\n return this;\n }\n hide() {\n return this.show(false);\n }\n disabled() {\n return !!this.domElement.closest('.muigui-disabled');\n }\n\n enable(enable = true) {\n this.domElement.classList.toggle('muigui-disabled', !enable);\n\n // If disabled we need to set the attribute 'disabled=true' to all\n // input/select/button/textarea's below\n //\n // If enabled we need to set the attribute 'disabled=false' to all below\n // until we hit a disabled controller.\n //\n // ATM the problem is we can find the input/select/button/textarea elements\n // but we can't easily find which controller they belong do.\n // But we don't need to? We can just check up if it or parent has\n // '.muigui-disabled'\n ['input', 'button', 'select', 'textarea'].forEach(tag => {\n this.domElement.querySelectorAll(tag).forEach(elem => {\n const disabled = !!elem.closest('.muigui-disabled');\n elem.disabled = disabled;\n });\n });\n\n return this;\n }\n disable(disable = true) {\n return this.enable(!disable);\n }\n onChange(fn) {\n this.removeChange(fn);\n this.#changeFns.push(fn);\n return this;\n }\n removeChange(fn) {\n removeArrayElem(this.#changeFns, fn);\n return this;\n }\n onFinishChange(fn) {\n this.removeFinishChange(fn);\n this.#finishChangeFns.push(fn);\n return this;\n }\n removeFinishChange(fn) {\n removeArrayElem(this.#finishChangeFns, fn);\n return this;\n }\n #callListeners(fns, newV) {\n for (const fn of fns) {\n fn.call(this, newV);\n }\n }\n emitChange(value, object, property) {\n this.#callListeners(this.#changeFns, value);\n if (this.#parent) {\n if (object === undefined) {\n this.#parent.emitChange(value);\n } else {\n this.#parent.emitChange({\n object,\n property,\n value,\n controller: this,\n });\n }\n }\n }\n emitFinalChange(value, object, property) {\n this.#callListeners(this.#finishChangeFns, value);\n if (this.#parent) {\n if (object === undefined) {\n this.#parent.emitChange(value);\n } else {\n this.#parent.emitFinalChange({\n object,\n property,\n value,\n controller: this,\n });\n }\n }\n }\n updateDisplay() {\n // placeholder. override\n }\n getColors() {\n const toCamelCase = s => s.replace(/-([a-z])/g, (m, m1) => m1.toUpperCase());\n const keys = [\n 'color',\n 'bg-color',\n 'value-color',\n 'value-bg-color',\n 'hover-bg-color',\n 'menu-bg-color',\n 'menu-sep-color',\n 'disabled-color',\n ];\n const div = createElem('div');\n this.domElement.appendChild(div);\n const colors = Object.fromEntries(keys.map(key => {\n div.style.color = `var(--${key})`;\n const s = getComputedStyle(div);\n return [toCamelCase(key), s.color];\n }));\n div.remove();\n return colors;\n }\n}\n","import {\n createElem,\n} from '../libs/elem.js';\nimport { copyExistingProperties } from '../libs/utils.js';\nimport Controller from './Controller.js';\n\nexport default class Button extends Controller {\n #object;\n #property;\n #buttonElem;\n #options = {\n name: '',\n };\n\n constructor(object, property, options = {}) {\n super('muigui-button', '');\n this.#object = object;\n this.#property = property;\n\n this.#buttonElem = this.addElem(\n createElem('button', {\n type: 'button',\n onClick: () => {\n this.#object[this.#property](this);\n },\n }));\n this.setOptions({name: property, ...options});\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n const {name} = this.#options;\n this.#buttonElem.textContent = name;\n }\n}","import { isTypedArray } from '../libs/utils.js';\nimport View from './View.js';\n\nfunction arraysEqual(a, b) {\n if (a.length !== b.length) {\n return false;\n }\n for (let i = 0; i < a.length; ++i) {\n if (a[i] !== b[i]) {\n return false;\n }\n }\n return true;\n}\n\nfunction copyArrayElementsFromTo(src, dst) {\n dst.length = src.length;\n for (let i = 0; i < src.length; ++i) {\n dst[i] = src[i];\n }\n}\n\nexport default class EditView extends View {\n #oldV;\n #updateCheck;\n\n #checkArrayNeedsUpdate(newV) {\n // It's an array, we need to compare all elements\n // Example, vec2, [r,g,b], ...\n const needUpdate = !arraysEqual(newV, this.#oldV);\n if (needUpdate) {\n copyArrayElementsFromTo(newV, this.#oldV);\n }\n return needUpdate;\n }\n\n #checkTypedArrayNeedsUpdate() {\n let once = true;\n return function checkTypedArrayNeedsUpdateImpl(newV) {\n // It's a typedarray, we need to compare all elements\n // Example: Float32Array([r, g, b])\n let needUpdate = once;\n once = false;\n if (!needUpdate) {\n needUpdate = !arraysEqual(newV, this.#oldV);\n }\n return needUpdate;\n };\n }\n\n #checkObjectNeedsUpdate(newV) {\n let needUpdate = false;\n for (const key in newV) {\n if (newV[key] !== this.#oldV[key]) {\n needUpdate = true;\n this.#oldV[key] = newV[key];\n }\n }\n return needUpdate;\n }\n\n #checkValueNeedsUpdate(newV) {\n const needUpdate = newV !== this.#oldV;\n this.#oldV = newV;\n return needUpdate;\n }\n\n #getUpdateCheckForType(newV) {\n if (Array.isArray(newV)) {\n this.#oldV = [];\n return this.#checkArrayNeedsUpdate.bind(this);\n } else if (isTypedArray(newV)) {\n this.#oldV = new newV.constructor(newV);\n return this.#checkTypedArrayNeedsUpdate(this);\n } else if (typeof newV === 'object') {\n this.#oldV = {};\n return this.#checkObjectNeedsUpdate.bind(this);\n } else {\n return this.#checkValueNeedsUpdate.bind(this);\n }\n }\n\n // The point of this is updating DOM elements\n // is slow but if we've called `listen` then\n // every frame we're going to try to update\n // things with the current value so if nothing\n // has changed then skip it.\n updateDisplayIfNeeded(newV, ignoreCache) {\n this.#updateCheck = this.#updateCheck || this.#getUpdateCheckForType(newV);\n // Note: We call #updateCheck first because it updates\n // the cache\n if (this.#updateCheck(newV) || ignoreCache) {\n this.updateDisplay(newV);\n }\n }\n setOptions(/*options*/) {\n // override this\n return this;\n }\n}\n","import { createElem } from '../libs/elem.js';\nimport EditView from './EditView.js';\n\nexport default class CheckboxView extends EditView {\n #checkboxElem;\n constructor(setter, id) {\n const checkboxElem = createElem('input', {\n type: 'checkbox',\n id,\n onInput: () => {\n setter.setValue(checkboxElem.checked);\n },\n onChange: () => {\n setter.setFinalValue(checkboxElem.checked);\n },\n });\n super(createElem('label', {}, [checkboxElem]));\n this.#checkboxElem = checkboxElem;\n }\n updateDisplay(v) {\n this.#checkboxElem.checked = v;\n }\n}\n","import { removeArrayElem } from './utils.js';\n\nconst tasks = [];\nconst tasksToRemove = new Set();\n\nlet requestId;\nlet processing;\n\nfunction removeTasks() {\n if (!tasksToRemove.size) {\n return;\n }\n\n if (processing) {\n queueProcessing();\n return;\n }\n\n tasksToRemove.forEach(task => {\n removeArrayElem(tasks, task);\n });\n tasksToRemove.clear();\n}\n\nfunction processTasks() {\n requestId = undefined;\n processing = true;\n for (const task of tasks) {\n if (!tasksToRemove.has(task)) {\n task();\n }\n }\n processing = false;\n removeTasks();\n queueProcessing();\n}\n\nfunction queueProcessing() {\n if (!requestId && tasks.length) {\n requestId = requestAnimationFrame(processTasks);\n }\n}\n\nexport function addTask(fn) {\n tasks.push(fn);\n queueProcessing();\n}\n\nexport function removeTask(fn) {\n tasksToRemove.set(fn);\n\n const ndx = tasks.indexOf(fn);\n if (ndx >= 0) {\n tasks.splice(ndx, 1);\n }\n}","let id = 0;\n\nexport function makeId() {\n return `muigui-${++id}`;\n}\n","import { createElem } from '../libs/elem.js';\nimport View from './View.js';\n\nexport default class ValueView extends View {\n constructor(className = '') {\n super(createElem('div', {className: 'muigui-value'}));\n if (className) {\n this.domElement.classList.add(className);\n }\n }\n}","import { createElem } from '../libs/elem.js';\nimport { makeId } from '../libs/ids.js';\nimport ValueView from '../views/ValueView.js';\nimport Controller from './Controller.js';\n\nexport default class LabelController extends Controller {\n #id;\n #nameElem;\n\n constructor(className = '', name = '') {\n super('muigui-label-controller');\n this.#id = makeId();\n this.#nameElem = createElem('label', {for: this.#id});\n this.domElement.appendChild(this.#nameElem);\n this.pushSubView(new ValueView(className));\n this.name(name);\n }\n get id() {\n return this.#id;\n }\n name(name) {\n if (this.#nameElem.title === this.#nameElem.textContent) {\n this.#nameElem.title = name;\n }\n this.#nameElem.textContent = name;\n return this;\n }\n tooltip(tip) {\n this.#nameElem.title = tip;\n }\n}\n\n","import {addTask, removeTask} from '../libs/taskrunner.js';\nimport { isTypedArray } from '../libs/utils.js';\nimport LabelController from './LabelController.js';\n\nexport default class ValueController extends LabelController {\n #object;\n #property;\n #initialValue;\n #listening;\n #views;\n #updateFn;\n\n constructor(object, property, className = '') {\n super(className, property);\n this.#object = object;\n this.#property = property;\n this.#initialValue = this.getValue();\n this.#listening = false;\n this.#views = [];\n }\n get initialValue() {\n return this.#initialValue;\n }\n get object() {\n return this.#object;\n }\n get property() {\n return this.#property;\n }\n add(view) {\n this.#views.push(view);\n super.add(view);\n this.updateDisplay();\n return view;\n }\n #setValueImpl(v, ignoreCache) {\n let isDifferent = false;\n if (typeof v === 'object') {\n const dst = this.#object[this.#property];\n // don't replace objects, just their values.\n if (Array.isArray(v) || isTypedArray(v)) {\n for (let i = 0; i < v.length; ++i) {\n isDifferent ||= dst[i] !== v[i];\n dst[i] = v[i];\n }\n } else {\n for (const key of Object.keys(v)) {\n isDifferent ||= dst[key] !== v[key];\n }\n Object.assign(dst, v);\n }\n } else {\n isDifferent = this.#object[this.#property] !== v;\n this.#object[this.#property] = v;\n }\n this.updateDisplay(ignoreCache);\n if (isDifferent) {\n this.emitChange(this.getValue(), this.#object, this.#property);\n }\n return isDifferent;\n }\n setValue(v) {\n this.#setValueImpl(v);\n }\n setFinalValue(v) {\n const isDifferent = this.#setValueImpl(v, true);\n if (isDifferent) {\n this.emitFinalChange(this.getValue(), this.#object, this.#property);\n }\n return this;\n }\n updateDisplay(ignoreCache) {\n const newV = this.getValue();\n for (const view of this.#views) {\n view.updateDisplayIfNeeded(newV, ignoreCache);\n }\n return this;\n }\n setOptions(options) {\n for (const view of this.#views) {\n view.setOptions(options);\n }\n this.updateDisplay();\n return this;\n }\n getValue() {\n return this.#object[this.#property];\n }\n value(v) {\n this.setValue(v);\n return this;\n }\n reset() {\n this.setValue(this.#initialValue);\n return this;\n }\n listen(listen = true) {\n if (!this.#updateFn) {\n this.#updateFn = this.updateDisplay.bind(this);\n }\n if (listen) {\n if (!this.#listening) {\n this.#listening = true;\n addTask(this.#updateFn);\n }\n } else {\n if (this.#listening) {\n this.#listening = false;\n removeTask(this.#updateFn);\n }\n }\n return this;\n }\n}\n\n","import CheckboxView from '../views/CheckboxView.js';\nimport ValueController from './ValueController.js';\n\nexport default class Checkbox extends ValueController {\n constructor(object, property) {\n super(object, property, 'muigui-checkbox');\n const id = this.id;\n this.add(new CheckboxView(this, id));\n this.updateDisplay();\n }\n}","import {\n makeRangeConverters,\n} from './utils.js';\n\nexport const identity = {\n to: v => v,\n from: v => [true, v],\n};\n\n// from: from string to value\n// to: from value to string\nexport const strToNumber = {\n to: v => v.toString(),\n from: v => {\n const newV = parseFloat(v);\n return [!Number.isNaN(newV), newV];\n },\n};\n\nexport const converters = {\n radToDeg: makeRangeConverters({to: [0, 180], from: [0, Math.PI]}),\n};\n","export function createWheelHelper() {\n let wheelAccum = 0;\n return function (e, step, wheelScale = 5) {\n wheelAccum -= e.deltaY * step / wheelScale;\n const wheelSteps = Math.floor(Math.abs(wheelAccum) / step) * Math.sign(wheelAccum);\n const delta = wheelSteps * step;\n wheelAccum -= delta;\n return delta;\n };\n}\n","import { createElem } from '../libs/elem.js';\nimport { strToNumber } from '../libs/conversions.js';\nimport { createWheelHelper } from '../libs/wheel.js';\nimport { clamp, copyExistingProperties, stepify } from '../libs/utils.js';\nimport EditView from './EditView.js';\n\nexport default class NumberView extends EditView {\n #to;\n #from;\n #step;\n #skipUpdate;\n #options = {\n step: 0.01,\n converters: strToNumber,\n min: Number.NEGATIVE_INFINITY,\n max: Number.POSITIVE_INFINITY,\n };\n\n constructor(setter, options) {\n const setValue = setter.setValue.bind(setter);\n const setFinalValue = setter.setFinalValue.bind(setter);\n const wheelHelper = createWheelHelper();\n super(createElem('input', {\n type: 'number',\n onInput: () => this.#handleInput(setValue, true),\n onChange: () => this.#handleInput(setFinalValue, false),\n onWheel: e => {\n e.preventDefault();\n const {min, max, step} = this.#options;\n const delta = wheelHelper(e, step);\n const v = parseFloat(this.domElement.value);\n const newV = clamp(stepify(v + delta, v => v, step), min, max);\n setter.setValue(newV);\n },\n }));\n this.setOptions(options);\n }\n #handleInput(setFn, skipUpdate) {\n const v = parseFloat(this.domElement.value);\n const [valid, newV] = this.#from(v);\n let inRange;\n if (valid && !Number.isNaN(v)) {\n const {min, max} = this.#options;\n inRange = newV >= min && newV <= max;\n this.#skipUpdate = skipUpdate;\n setFn(clamp(newV, min, max));\n }\n this.domElement.classList.toggle('muigui-invalid-value', !valid || !inRange);\n }\n updateDisplay(v) {\n if (!this.#skipUpdate) {\n this.domElement.value = stepify(v, this.#to, this.#step);\n }\n this.#skipUpdate = false;\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n const {\n step,\n converters: {to, from},\n } = this.#options;\n this.#to = to;\n this.#from = from;\n this.#step = step;\n return this;\n }\n}\n","\nimport NumberView from '../views/NumberView.js';\nimport ValueController from './ValueController.js';\n\n// Wanted to name this `Number` but it conflicts with\n// JavaScript `Number`. It most likely wouldn't be\n// an issue? But users might `import {Number} ...` and\n// things would break.\nexport default class TextNumber extends ValueController {\n #textView;\n #step;\n\n constructor(object, property, options = {}) {\n super(object, property, 'muigui-checkbox');\n this.#textView = this.add(new NumberView(this, options));\n this.updateDisplay();\n }\n}","import { createElem } from '../libs/elem.js';\nimport EditView from './EditView.js';\n\nexport default class SelectView extends EditView {\n #values;\n\n constructor(setter, keyValues) {\n const values = [];\n super(createElem('select', {\n onChange: () => {\n setter.setFinalValue(this.#values[this.domElement.selectedIndex]);\n },\n }, keyValues.map(([key, value]) => {\n values.push(value);\n return createElem('option', {textContent: key});\n })));\n this.#values = values;\n }\n updateDisplay(v) {\n const ndx = this.#values.indexOf(v);\n this.domElement.selectedIndex = ndx;\n }\n}\n","\n// 4 cases\n// (a) keyValues is array of arrays, each sub array is key value\n// (b) keyValues is array and value is number then keys = array contents, value = index\n// (c) keyValues is array and value is not number, key = array contents, value = array contents\n// (d) keyValues is object then key->value\nexport function convertToKeyValues(keyValues, valueIsNumber) {\n if (Array.isArray(keyValues)) {\n if (Array.isArray(keyValues[0])) {\n // (a) keyValues is array of arrays, each sub array is key value\n return keyValues;\n } else {\n if (valueIsNumber) {\n // (b) keyValues is array and value is number then keys = array contents, value = index\n return keyValues.map((v, ndx) => [v, ndx]);\n } else {\n // (c) keyValues is array and value is not number, key = array contents, value = array contents\n return keyValues.map(v => [v, v]);\n }\n }\n } else {\n // (d)\n return [...Object.entries(keyValues)];\n }\n}\n","import SelectView from '../views/SelectView.js';\nimport ValueController from './ValueController.js';\nimport { convertToKeyValues } from '../libs/key-values.js';\n\nexport default class Select extends ValueController {\n constructor(object, property, options) {\n super(object, property, 'muigui-select');\n const valueIsNumber = typeof this.getValue() === 'number';\n const {keyValues: keyValuesInput} = options;\n const keyValues = convertToKeyValues(keyValuesInput, valueIsNumber);\n this.add(new SelectView(this, keyValues));\n this.updateDisplay();\n }\n}","import { createElem } from '../libs/elem.js';\nimport { identity } from '../libs/conversions.js';\nimport { clamp, copyExistingProperties, stepify } from '../libs/utils.js';\nimport { createWheelHelper } from '../libs/wheel.js';\nimport EditView from './EditView.js';\n\nexport default class RangeView extends EditView {\n #to;\n #from;\n #step;\n #skipUpdate;\n #options = {\n step: 0.01,\n min: 0,\n max: 1,\n converters: identity,\n };\n\n constructor(setter, options) {\n const wheelHelper = createWheelHelper();\n super(createElem('input', {\n type: 'range',\n onInput: () => {\n this.#skipUpdate = true;\n const {min, max, step} = this.#options;\n const v = parseFloat(this.domElement.value);\n const newV = clamp(stepify(v, v => v, step), min, max);\n const [valid, validV] = this.#from(newV);\n if (valid) {\n setter.setValue(validV);\n }\n },\n onChange: () => {\n this.#skipUpdate = true;\n const {min, max, step} = this.#options;\n const v = parseFloat(this.domElement.value);\n const newV = clamp(stepify(v, v => v, step), min, max);\n const [valid, validV] = this.#from(newV);\n if (valid) {\n setter.setFinalValue(validV);\n }\n },\n onWheel: e => {\n e.preventDefault();\n const [valid, v] = this.#from(parseFloat(this.domElement.value));\n if (!valid) {\n return;\n }\n const {min, max, step} = this.#options;\n const delta = wheelHelper(e, step);\n const newV = clamp(stepify(v + delta, v => v, step), min, max);\n setter.setValue(newV);\n },\n }));\n this.setOptions(options);\n }\n updateDisplay(v) {\n if (!this.#skipUpdate) {\n this.domElement.value = stepify(v, this.#to, this.#step);\n }\n this.#skipUpdate = false;\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n const {\n step,\n min,\n max,\n converters: {to, from},\n } = this.#options;\n this.#to = to;\n this.#from = from;\n this.#step = step;\n this.domElement.step = step;\n this.domElement.min = min;\n this.domElement.max = max;\n return this;\n }\n}","import ValueController from './ValueController.js';\nimport NumberView from '../views/NumberView.js';\nimport RangeView from '../views/RangeView.js';\n\nexport default class Range extends ValueController {\n constructor(object, property, options) {\n super(object, property, 'muigui-range');\n this.add(new RangeView(this, options));\n this.add(new NumberView(this, options));\n }\n}\n","import { createElem } from '../libs/elem.js';\nimport { identity } from '../libs/conversions.js';\nimport EditView from './EditView.js';\nimport { copyExistingProperties } from '../libs/utils.js';\n\nexport default class TextView extends EditView {\n #to;\n #from;\n #skipUpdate;\n #options = {\n converters: identity,\n };\n\n constructor(setter, options) {\n const setValue = setter.setValue.bind(setter);\n const setFinalValue = setter.setFinalValue.bind(setter);\n super(createElem('input', {\n type: 'text',\n onInput: () => this.#handleInput(setValue, true),\n onChange: () => this.#handleInput(setFinalValue, false),\n }));\n this.setOptions(options);\n }\n #handleInput(setFn, skipUpdate) {\n const [valid, newV] = this.#from(this.domElement.value);\n if (valid) {\n this.#skipUpdate = skipUpdate;\n setFn(newV);\n }\n this.domElement.style.color = valid ? '' : 'var(--invalid-color)';\n\n }\n updateDisplay(v) {\n if (!this.#skipUpdate) {\n this.domElement.value = this.#to(v);\n this.domElement.style.color = '';\n }\n this.#skipUpdate = false;\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n const {\n converters: {to, from},\n } = this.#options;\n this.#to = to;\n this.#from = from;\n return this;\n }\n}\n","import TextView from '../views/TextView.js';\nimport ValueController from './ValueController.js';\n\nexport default class Text extends ValueController {\n constructor(object, property) {\n super(object, property, 'muigui-checkbox');\n this.add(new TextView(this));\n this.updateDisplay();\n }\n}","const clamp = (v, min, max) => Math.max(min, Math.min(max, v));\nconst lerp = (a, b, t) => a + (b - a) * t;\nconst fract = v => v >= 0 ? v % 1 : 1 - (v % 1);\n\nconst f0 = v => +v.toFixed(0); // converts to string (eg 1.2 => \"1\"), then converts back to number (eg, \"1.200\" => 1.2)\nconst f3 = v => +v.toFixed(3); // converts to string (eg 1.2 => \"1.200\"), then converts back to number (eg, \"1.200\" => 1.2)\n\nconst hexToUint32RGB = v => (parseInt(v.substring(1, 3), 16) << 16) |\n (parseInt(v.substring(3, 5), 16) << 8 ) |\n (parseInt(v.substring(5, 7), 16) );\nconst uint32RGBToHex = v => `#${(Math.round(v)).toString(16).padStart(6, '0')}`;\nconst hexToUint32RGBA = v => (parseInt(v.substring(1, 3), 16) * 2 ** 24) +\n (parseInt(v.substring(3, 5), 16) * 2 ** 16) +\n (parseInt(v.substring(5, 7), 16) * 2 ** 8) +\n (parseInt(v.substring(7, 9), 16) );\nconst uint32RGBAToHex = v => `#${(Math.round(v)).toString(16).padStart(8, '0')}`;\n\nexport const hexToUint8RGB = v => [\n parseInt(v.substring(1, 3), 16),\n parseInt(v.substring(3, 5), 16),\n parseInt(v.substring(5, 7), 16),\n];\nexport const uint8RGBToHex = v => `#${Array.from(v).map(v => v.toString(16).padStart(2, '0')).join('')}`;\n\nexport const hexToUint8RGBA = v => [\n parseInt(v.substring(1, 3), 16),\n parseInt(v.substring(3, 5), 16),\n parseInt(v.substring(5, 7), 16),\n parseInt(v.substring(7, 9), 16),\n];\nexport const uint8RGBAToHex = v => `#${Array.from(v).map(v => v.toString(16).padStart(2, '0')).join('')}`;\n\nexport const hexToFloatRGB = v => hexToUint8RGB(v).map(v => f3(v / 255));\nexport const floatRGBToHex = v => uint8RGBToHex(Array.from(v).map(v => Math.round(clamp(v * 255, 0, 255))));\n\nexport const hexToFloatRGBA = v => hexToUint8RGBA(v).map(v => f3(v / 255));\nexport const floatRGBAToHex = v => uint8RGBAToHex(Array.from(v).map(v => Math.round(clamp(v * 255, 0, 255))));\n\nconst scaleAndClamp = v => clamp(Math.round(v * 255), 0, 255).toString(16).padStart(2, '0');\n\nconst hexToObjectRGB = v => ({\n r: parseInt(v.substring(1, 3), 16) / 255,\n g: parseInt(v.substring(3, 5), 16) / 255,\n b: parseInt(v.substring(5, 7), 16) / 255,\n});\nconst objectRGBToHex = v => `#${scaleAndClamp(v.r)}${scaleAndClamp(v.g)}${scaleAndClamp(v.b)}`;\nconst hexToObjectRGBA = v => ({\n r: parseInt(v.substring(1, 3), 16) / 255,\n g: parseInt(v.substring(3, 5), 16) / 255,\n b: parseInt(v.substring(5, 7), 16) / 255,\n a: parseInt(v.substring(7, 9), 16) / 255,\n});\nconst objectRGBAToHex = v => `#${scaleAndClamp(v.r)}${scaleAndClamp(v.g)}${scaleAndClamp(v.b)}${scaleAndClamp(v.a)}`;\n\nconst hexToCssRGB = v => `rgb(${hexToUint8RGB(v).join(', ')})`;\nconst cssRGBRegex = /^\\s*rgb\\(\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*\\)\\s*$/;\nconst cssRGBToHex = v => {\n const m = cssRGBRegex.exec(v);\n return uint8RGBToHex([m[1], m[2], m[3]].map(v => parseInt(v)));\n};\nconst hexToCssRGBA = v => `rgba(${hexToUint8RGBA(v).map((v, i) => i === 3 ? v / 255 : v).join(', ')})`;\nconst cssRGBARegex = /^\\s*rgba\\(\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+\\.\\d+|\\d+)\\s*\\)\\s*$/;\nconst cssRGBAToHex = v => {\n const m = cssRGBARegex.exec(v);\n return uint8RGBAToHex([m[1], m[2], m[3], m[4]].map((v, i) => i === 3 ? (parseFloat(v) * 255 | 0) : parseInt(v)));\n};\n\nconst hexToCssHSL = v => {\n const hsl = rgbUint8ToHsl(hexToUint8RGB(v)).map(v => f0(v));\n return `hsl(${hsl[0]}, ${hsl[1]}%, ${hsl[2]}%)`;\n};\nconst hexToCssHSLA = v => {\n const hsla = rgbaUint8ToHsla(hexToUint8RGBA(v)).map((v, i) => i === 3 ? f3(v) : f0(v));\n return `hsl(${hsla[0]} ${hsla[1]}% ${hsla[2]}% / ${hsla[3]})`;\n};\nconst cssHSLRegex = /^\\s*hsl\\(\\s*(\\d+)(?:deg|)\\s*(?:,|)\\s*(\\d+)%\\s*(?:,|)\\s*(\\d+)%\\s*\\)\\s*$/;\nconst cssHSLARegex = /^\\s*hsl\\(\\s*(\\d+)(?:deg|)\\s*(?:,|)\\s*(\\d+)%\\s*(?:,|)\\s*(\\d+)%\\s*\\/\\s*(\\d+\\.\\d+|\\d+)\\s*\\)\\s*$/;\n\nconst hex3DigitTo6Digit = v => `${v[0]}${v[0]}${v[1]}${v[1]}${v[2]}${v[2]}`;\nconst cssHSLToHex = v => {\n const m = cssHSLRegex.exec(v);\n const rgb = hslToRgbUint8([m[1], m[2], m[3]].map(v => parseFloat(v)));\n return uint8RGBToHex(rgb);\n};\nconst cssHSLAToHex = v => {\n const m = cssHSLARegex.exec(v);\n const rgba = hslaToRgbaUint8([m[1], m[2], m[3], m[4]].map(v => parseFloat(v)));\n return uint8RGBAToHex(rgba);\n};\n\nconst euclideanModulo = (v, n) => ((v % n) + n) % n;\n\nexport function hslToRgbUint8([h, s, l]) {\n h = euclideanModulo(h, 360);\n s = clamp(s / 100, 0, 1);\n l = clamp(l / 100, 0, 1);\n\n const a = s * Math.min(l, 1 - l);\n\n function f(n) {\n const k = (n + h / 30) % 12;\n return l - a * Math.max(-1, Math.min(k - 3, 9 - k, 1));\n }\n\n return [f(0), f(8), f(4)].map(v => Math.round(v * 255));\n}\n\nexport function hslaToRgbaUint8([h, s, l, a]) {\n const rgb = hslToRgbUint8([h, s, l]);\n return [...rgb, a * 255 | 0];\n}\n\nexport function rgbFloatToHsl01([r, g, b]) {\n const max = Math.max(r, g, b);\n const min = Math.min(r, g, b);\n const l = (min + max) * 0.5;\n const d = max - min;\n let h = 0;\n let s = 0;\n\n if (d !== 0) {\n s = (l === 0 || l === 1)\n ? 0\n : (max - l) / Math.min(l, 1 - l);\n\n switch (max) {\n case r: h = (g - b) / d + (g < b ? 6 : 0); break;\n case g: h = (b - r) / d + 2; break;\n case b: h = (r - g) / d + 4;\n }\n }\n\n return [h / 6, s, l];\n}\n\nexport function rgbaFloatToHsla01([r, g, b, a]) {\n const hsl = rgbFloatToHsl01([r, g, b]);\n return [...hsl, a];\n}\n\nexport const rgbUint8ToHsl = (rgb) => {\n const [h, s, l] = rgbFloatToHsl01(rgb.map(v => v / 255));\n return [h * 360, s * 100, l * 100];\n};\n\nexport const rgbaUint8ToHsla = (rgba) => {\n const [h, s, l, a] = rgbaFloatToHsla01(rgba.map(v => v / 255));\n return [h * 360, s * 100, l * 100, a];\n};\n\nexport function hsv01ToRGBFloat([hue, sat, val]) {\n sat = clamp(sat, 0, 1);\n val = clamp(val, 0, 1);\n return [hue, hue + 2 / 3, hue + 1 / 3].map(\n v => lerp(1, clamp(Math.abs(fract(v) * 6 - 3.0) - 1, 0, 1), sat) * val\n );\n}\n\nexport function hsva01ToRGBAFloat([hue, sat, val, alpha]) {\n const rgb = hsv01ToRGBFloat([hue, sat, val]);\n return [...rgb, alpha];\n}\n\nconst round3 = v => Math.round(v * 1000) / 1000;\n\nexport function rgbFloatToHSV01([r, g, b]) {\n const p = b > g\n ? [b, g, -1, 2 / 3]\n : [g, b, 0, -1 / 3];\n const q = p[0] > r\n ? [p[0], p[1], p[3], r]\n : [r, p[1], p[2], p[0]];\n const d = q[0] - Math.min(q[3], q[1]);\n return [\n Math.abs(q[2] + (q[3] - q[1]) / (6 * d + Number.EPSILON)),\n d / (q[0] + Number.EPSILON),\n q[0],\n ].map(round3);\n}\n\nexport function rgbaFloatToHSVA01([r, g, b, a]) {\n const hsv = rgbFloatToHSV01([r, g, b]);\n return [...hsv, a];\n}\n\n// window.hsv01ToRGBFloat = hsv01ToRGBFloat;\n// window.rgbFloatToHSV01 = rgbFloatToHSV01;\n\n// Yea, meh!\nexport const hasAlpha = format => format.endsWith('a') || format.startsWith('hex8');\n\nconst cssStringFormats = [\n { re: /^#(?:[0-9a-f]){6}$/i, format: 'hex6' },\n { re: /^(?:[0-9a-f]){6}$/i, format: 'hex6-no-hash' },\n { re: /^#(?:[0-9a-f]){8}$/i, format: 'hex8' },\n { re: /^(?:[0-9a-f]){8}$/i, format: 'hex8-no-hash' },\n { re: /^#(?:[0-9a-f]){3}$/i, format: 'hex3' },\n { re: /^(?:[0-9a-f]){3}$/i, format: 'hex3-no-hash' },\n { re: cssRGBRegex, format: 'css-rgb' },\n { re: cssHSLRegex, format: 'css-hsl' },\n { re: cssRGBARegex, format: 'css-rgba' },\n { re: cssHSLARegex, format: 'css-hsla' },\n];\n\nfunction guessStringColorFormat(v) {\n for (const formatInfo of cssStringFormats) {\n if (formatInfo.re.test(v)) {\n return formatInfo;\n }\n }\n return undefined;\n}\n\nexport function guessFormat(v) {\n switch (typeof v) {\n case 'number':\n console.warn('can not reliably guess format based on a number. You should pass in a format like {format: \"uint32-rgb\"} or {format: \"uint32-rgb\"}');\n return v <= 0xFFFFFF ? 'uint32-rgb' : 'uint32-rgba';\n case 'string': {\n const formatInfo = guessStringColorFormat(v.trim());\n if (formatInfo) {\n return formatInfo.format;\n }\n break;\n }\n case 'object':\n if (v instanceof Uint8Array || v instanceof Uint8ClampedArray) {\n if (v.length === 3) {\n return 'uint8-rgb';\n } else if (v.length === 4) {\n return 'uint8-rgba';\n }\n } else if (v instanceof Float32Array) {\n if (v.length === 3) {\n return 'float-rgb';\n } else if (v.length === 4) {\n return 'float-rgba';\n }\n } else if (Array.isArray(v)) {\n if (v.length === 3) {\n return 'float-rgb';\n } else if (v.length === 4) {\n return 'float-rgba';\n }\n } else {\n if ('r' in v && 'g' in v && 'b' in v) {\n if ('a' in v) {\n return 'object-rgba';\n } else {\n return 'object-rgb';\n }\n }\n }\n }\n throw new Error(`unknown color format: ${v}`);\n}\n\nfunction fixHex6(v) {\n return v.trim(v);\n //const formatInfo = guessStringColorFormat(v.trim());\n //const fix = formatInfo ? formatInfo.fix : v => v;\n //return fix(v.trim());\n}\n\nfunction fixHex8(v) {\n return v.trim(v);\n //const formatInfo = guessStringColorFormat(v.trim());\n //const fix = formatInfo ? formatInfo.fix : v => v;\n //return fix(v.trim());\n}\n\nfunction hex6ToHex3(hex6) {\n return (hex6[1] === hex6[2] &&\n hex6[3] === hex6[4] &&\n hex6[5] === hex6[6])\n ? `#${hex6[1]}${hex6[3]}${hex6[5]}`\n : hex6;\n}\n\nconst hex3RE = /^(#|)([0-9a-f]{3})$/i;\nfunction hex3ToHex6(hex3) {\n const m = hex3RE.exec(hex3);\n if (m) {\n const [, , m2] = m;\n return `#${hex3DigitTo6Digit(m2)}`;\n }\n return hex3;\n}\n\nfunction fixHex3(v) {\n return hex6ToHex3(fixHex6(v));\n}\n\nconst strToRGBObject = (s) => {\n try {\n const json = s.replace(/([a-z])/g, '\"$1\"');\n const rgb = JSON.parse(json);\n if (Number.isNaN(rgb.r) || Number.isNaN(rgb.g) || Number.isNaN(rgb.b)) {\n throw new Error('not {r, g, b}');\n }\n return [true, rgb];\n } catch (e) {\n return [false];\n }\n};\n\nconst strToRGBAObject = (s) => {\n try {\n const json = s.replace(/([a-z])/g, '\"$1\"');\n const rgba = JSON.parse(json);\n if (Number.isNaN(rgba.r) || Number.isNaN(rgba.g) || Number.isNaN(rgba.b) || Number.isNaN(rgba.a)) {\n throw new Error('not {r, g, b, a}');\n }\n return [true, rgba];\n } catch (e) {\n return [false];\n }\n};\n\nconst strToCssRGB = s => {\n const m = cssRGBRegex.exec(s);\n if (!m) {\n return [false];\n }\n const v = [m[1], m[2], m[3]].map(v => parseInt(v));\n const outOfRange = v.find(v => v > 255);\n return [!outOfRange, `rgb(${v.join(', ')})`];\n};\n\nconst strToCssRGBA = s => {\n const m = cssRGBARegex.exec(s);\n if (!m) {\n return [false];\n }\n const v = [m[1], m[2], m[3], m[4]].map((v, i) => i === 3 ? parseFloat(v) : parseInt(v));\n const outOfRange = v.find(v => v > 255);\n return [!outOfRange, `rgba(${v.join(', ')})`];\n};\n\nconst strToCssHSL = s => {\n const m = cssHSLRegex.exec(s);\n if (!m) {\n return [false];\n }\n const v = [m[1], m[2], m[3]].map(v => parseFloat(v));\n const outOfRange = v.find(v => Number.isNaN(v));\n return [!outOfRange, `hsl(${v[0]}, ${v[1]}%, ${v[2]}%)`];\n};\n\nconst strToCssHSLA = s => {\n const m = cssHSLARegex.exec(s);\n if (!m) {\n return [false];\n }\n const v = [m[1], m[2], m[3], m[4]].map(v => parseFloat(v));\n const outOfRange = v.find(v => Number.isNaN(v));\n return [!outOfRange, `hsl(${v[0]} ${v[1]}% ${v[2]}% / ${v[3]})`];\n};\n\nconst rgbObjectToStr = rgb => {\n return `{r:${f3(rgb.r)}, g:${f3(rgb.g)}, b:${f3(rgb.b)}}`;\n};\nconst rgbaObjectToStr = rgba => {\n return `{r:${f3(rgba.r)}, g:${f3(rgba.g)}, b:${f3(rgba.b)}}, a:${f3(rgba.a)}}`;\n};\n\nconst strTo3IntsRE = /^\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*$/;\nconst strTo3Ints = s => {\n const m = strTo3IntsRE.exec(s);\n if (!m) {\n return [false];\n }\n const v = [m[1], m[2], m[3]].map(v => parseInt(v));\n const outOfRange = v.find(v => v > 255);\n return [!outOfRange, v];\n};\n\nconst strTo4IntsRE = /^\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*$/;\nconst strTo4Ints = s => {\n const m = strTo4IntsRE.exec(s);\n if (!m) {\n return [false];\n }\n const v = [m[1], m[2], m[3], m[4]].map(v => parseInt(v));\n const outOfRange = v.find(v => v > 255);\n return [!outOfRange, v];\n};\n\nconst strTo3Floats = s => {\n const numbers = s.split(',').map(s => s.trim());\n const v = numbers.map(v => parseFloat(v));\n if (v.length !== 3) {\n return [false];\n }\n // Note: using isNaN not Number.isNaN\n const badNdx = numbers.findIndex(v => isNaN(v));\n return [badNdx < 0, v.map(v => f3(v))];\n};\n\nconst strTo4Floats = s => {\n const numbers = s.split(',').map(s => s.trim());\n const v = numbers.map(v => parseFloat(v));\n if (v.length !== 4) {\n return [false];\n }\n // Note: using isNaN not Number.isNaN\n const badNdx = numbers.findIndex(v => isNaN(v));\n return [badNdx < 0, v.map(v => f3(v))];\n};\n\nconst strToUint32RGBRegex = /^\\s*(?:0x){0,1}([0-9a-z]{1,6})\\s*$/i;\nconst strToUint32RGB = s => {\n const m = strToUint32RGBRegex.exec(s);\n if (!m) {\n return [false];\n }\n return [true, parseInt(m[1], 16)];\n};\n\nconst strToUint32RGBARegex = /^\\s*(?:0x){0,1}([0-9a-z]{1,8})\\s*$/i;\nconst strToUint32RGBA = s => {\n const m = strToUint32RGBARegex.exec(s);\n if (!m) {\n return [false];\n }\n return [true, parseInt(m[1], 16)];\n};\n\nconst hex6RE = /^\\s*#[a-f0-9]{6}\\s*$|^\\s*#[a-f0-9]{3}\\s*$/i;\nconst hexNoHash6RE = /^\\s*[a-f0-9]{6}\\s*$/i;\nconst hex8RE = /^\\s*#[a-f0-9]{8}\\s*$/i;\nconst hexNoHash8RE = /^\\s*[a-f0-9]{8}\\s*$/i;\n\n// For each format converter\n//\n// fromHex/toHex convert from/to '#RRGGBB'\n//\n// fromHex converts from the string '#RRBBGG' to the format\n// (eg: for uint32-rgb, '#123456' becomes 0x123456)\n//\n// toHex converts from the format to '#RRGGBB'\n// (eg: for uint8-rgb, [16, 33, 50] becomes '#102132')\n//\n//\n// fromStr/toStr convert from/to what's in the input[type=text] element\n//\n// toStr converts from the format to its string representation\n// (eg, for object-rgb, {r: 1, g: 0.5, b:0} becomes \"{r: 1, g: 0.5, b:0}\")\n// ^object ^string\n//\n// fromStr converts its string representation to its format\n// (eg, for object-rgb) \"{r: 1, g: 0.5, b:0}\" becomes {r: 1, g: 0.5, b:0})\n// ^string ^object\n// fromString returns an array which is [valid, v]\n// where valid is true if the string was a valid and v is the converted\n// format if v is true.\n//\n// Note: toStr should convert to \"ideal\" form (whatever that is).\n// (eg, for css-rgb\n// \"{ r: 0.10000, g: 001, b: 0}\" becomes \"{r: 0.1, g: 1, b: 0}\"\n// notice that css-rgb is a string to a string\n// )\nexport const colorFormatConverters = {\n 'hex6': {\n color: {\n from: v => [true, v],\n to: fixHex6,\n },\n text: {\n from: v => [hex6RE.test(v), v.trim()],\n to: v => v,\n },\n },\n 'hex8': {\n color: {\n from: v => [true, v],\n to: fixHex8,\n },\n text: {\n from: v => [hex8RE.test(v), v.trim()],\n to: v => v,\n },\n },\n 'hex3': {\n color: {\n from: v => [true, fixHex3(v)],\n to: hex3ToHex6,\n },\n text: {\n from: v => [hex6RE.test(v), hex6ToHex3(v.trim())],\n to: v => v,\n },\n },\n 'hex6-no-hash': {\n color: {\n from: v => [true, v.substring(1)],\n to: v => `#${fixHex6(v)}`,\n },\n text: {\n from: v => [hexNoHash6RE.test(v), v.trim()],\n to: v => v,\n },\n },\n 'hex8-no-hash': {\n color: {\n from: v => [true, v.substring(1)],\n to: v => `#${fixHex8(v)}`,\n },\n text: {\n from: v => [hexNoHash8RE.test(v), v.trim()],\n to: v => v,\n },\n },\n 'hex3-no-hash': {\n color: {\n from: v => [true, fixHex3(v).substring(1)],\n to: hex3ToHex6,\n },\n text: {\n from: v => [hexNoHash6RE.test(v), hex6ToHex3(v.trim())],\n to: v => v,\n },\n },\n 'uint32-rgb': {\n color: {\n from: v => [true, hexToUint32RGB(v)],\n to: uint32RGBToHex,\n },\n text: {\n from: v => strToUint32RGB(v),\n to: v => `0x${v.toString(16).padStart(6, '0')}`,\n },\n },\n 'uint32-rgba': {\n color: {\n from: v => [true, hexToUint32RGBA(v)],\n to: uint32RGBAToHex,\n },\n text: {\n from: v => strToUint32RGBA(v),\n to: v => `0x${v.toString(16).padStart(8, '0')}`,\n },\n },\n 'uint8-rgb': {\n color: {\n from: v => [true, hexToUint8RGB(v)],\n to: uint8RGBToHex,\n },\n text: {\n from: strTo3Ints,\n to: v => v.join(', '),\n },\n },\n 'uint8-rgba': {\n color: {\n from: v => [true, hexToUint8RGBA(v)],\n to: uint8RGBAToHex,\n },\n text: {\n from: strTo4Ints,\n to: v => v.join(', '),\n },\n },\n 'float-rgb': {\n color: {\n from: v => [true, hexToFloatRGB(v)],\n to: floatRGBToHex,\n },\n text: {\n from: strTo3Floats,\n // need Array.from because map of Float32Array makes a Float32Array\n to: v => Array.from(v).map(v => f3(v)).join(', '),\n },\n },\n 'float-rgba': {\n color: {\n from: v => [true, hexToFloatRGBA(v)],\n to: floatRGBAToHex,\n },\n text: {\n from: strTo4Floats,\n // need Array.from because map of Float32Array makes a Float32Array\n to: v => Array.from(v).map(v => f3(v)).join(', '),\n },\n },\n 'object-rgb': {\n color: {\n from: v => [true, hexToObjectRGB(v)],\n to: objectRGBToHex,\n },\n text: {\n from: strToRGBObject,\n to: rgbObjectToStr,\n },\n },\n 'object-rgba': {\n color: {\n from: v => [true, hexToObjectRGBA(v)],\n to: objectRGBAToHex,\n },\n text: {\n from: strToRGBAObject,\n to: rgbaObjectToStr,\n },\n },\n 'css-rgb': {\n color: {\n from: v => [true, hexToCssRGB(v)],\n to: cssRGBToHex,\n },\n text: {\n from: strToCssRGB,\n to: v => strToCssRGB(v)[1],\n },\n },\n 'css-rgba': {\n color: {\n from: v => [true, hexToCssRGBA(v)],\n to: cssRGBAToHex,\n },\n text: {\n from: strToCssRGBA,\n to: v => strToCssRGBA(v)[1],\n },\n },\n 'css-hsl': {\n color: {\n from: v => [true, hexToCssHSL(v)],\n to: cssHSLToHex,\n },\n text: {\n from: strToCssHSL,\n to: v => strToCssHSL(v)[1],\n },\n },\n 'css-hsla': {\n color: {\n from: v => [true, hexToCssHSLA(v)],\n to: cssHSLAToHex,\n },\n text: {\n from: strToCssHSLA,\n to: v => strToCssHSLA(v)[1],\n },\n },\n};","import { createElem } from '../libs/elem.js';\nimport View from './View.js';\n\nexport default class ElementView extends View {\n constructor(tag, className) {\n super(createElem(tag, {className}));\n }\n}","import ElementView from '../views/ElementView.js';\nimport LabelController from './LabelController.js';\n\n// TODO: remove this? Should just be user side\nexport default class Canvas extends LabelController {\n #canvasElem;\n\n constructor() {\n super('muigui-canvas');\n this.#canvasElem = this.add(\n new ElementView('canvas', 'muigui-canvas'),\n ).domElement;\n }\n get canvas() {\n return this.#canvasElem;\n }\n}","import { createElem } from '../libs/elem.js';\nimport { identity } from '../libs/conversions.js';\nimport EditView from './EditView.js';\nimport { copyExistingProperties } from '../libs/utils.js';\n\nexport default class ColorView extends EditView {\n #to;\n #from;\n #colorElem;\n #skipUpdate;\n #options = {\n converters: identity,\n };\n\n constructor(setter, options) {\n const colorElem = createElem('input', {\n type: 'color',\n onInput: () => {\n const [valid, newV] = this.#from(colorElem.value);\n if (valid) {\n this.#skipUpdate = true;\n setter.setValue(newV);\n }\n },\n onChange: () => {\n const [valid, newV] = this.#from(colorElem.value);\n if (valid) {\n this.#skipUpdate = true;\n setter.setFinalValue(newV);\n }\n },\n });\n super(createElem('div', {}, [colorElem]));\n this.setOptions(options);\n this.#colorElem = colorElem;\n }\n updateDisplay(v) {\n if (!this.#skipUpdate) {\n this.#colorElem.value = this.#to(v);\n }\n this.#skipUpdate = false;\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n const {converters: {to, from}} = this.#options;\n this.#to = to;\n this.#from = from;\n return this;\n }\n}\n","import {\n colorFormatConverters,\n guessFormat,\n} from '../libs/color-utils.js';\nimport ValueController from './ValueController.js';\nimport TextView from '../views/TextView.js';\nimport ColorView from '../views/ColorView.js';\n\nexport default class Color extends ValueController {\n #colorView;\n #textView;\n\n constructor(object, property, options = {}) {\n super(object, property, 'muigui-color');\n const format = options.format || guessFormat(this.getValue());\n const {color, text} = colorFormatConverters[format];\n this.#colorView = this.add(new ColorView(this, {converters: color}));\n this.#textView = this.add(new TextView(this, {converters: text}));\n this.updateDisplay();\n }\n setOptions(options) {\n const {format} = options;\n if (format) {\n const {color, text} = colorFormatConverters[format];\n this.#colorView.setOptions({converters: color});\n this.#textView.setOptions({converters: text});\n }\n super.setOptions(options);\n return this;\n }\n}","import Controller from './Controller.js';\n\n// This feels like it should be something else like\n// gui.addController({className: 'muigui-divider')};\nexport default class Divider extends Controller {\n constructor() {\n super('muigui-divider');\n }\n}","import Controller from './Controller.js';\n\nexport default class Container extends Controller {\n #controllers;\n #childDestController;\n\n constructor(className) {\n super(className);\n this.#controllers = [];\n this.#childDestController = this;\n }\n get children() {\n return this.#controllers; // should we return a copy?\n }\n get controllers() {\n return this.#controllers.filter(c => !(c instanceof Container));\n }\n get folders() {\n return this.#controllers.filter(c => c instanceof Container);\n }\n reset(recursive = true) {\n for (const controller of this.#controllers) {\n if (!(controller instanceof Container) || recursive) {\n controller.reset(recursive);\n }\n }\n return this;\n }\n updateDisplay() {\n for (const controller of this.#controllers) {\n controller.updateDisplay();\n }\n return this;\n }\n remove(controller) {\n const ndx = this.#controllers.indexOf(controller);\n if (ndx >= 0) {\n const c = this.#controllers.splice(ndx, 1);\n const c0 = c[0];\n const elem = c0.domElement;\n elem.remove();\n c0.setParent(null);\n }\n return this;\n }\n #addControllerImpl(controller) {\n this.domElement.appendChild(controller.domElement);\n this.#controllers.push(controller);\n controller.setParent(this);\n return controller;\n }\n addController(controller) {\n return this.#childDestController.#addControllerImpl(controller);\n }\n pushContainer(container) {\n this.addController(container);\n this.#childDestController = container;\n return container;\n }\n popContainer() {\n this.#childDestController = this.#childDestController.parent;\n return this;\n }\n}\n","import { createElem } from '../libs/elem.js';\nimport Container from './Container.js';\n\nexport default class Folder extends Container {\n #labelElem;\n\n constructor(name = 'Controls', className = 'muigui-menu') {\n super(className);\n this.#labelElem = createElem('label');\n this.addElem(createElem('button', {\n type: 'button',\n onClick: () => this.toggleOpen(),\n }, [this.#labelElem]));\n this.pushContainer(new Container());\n this.name(name);\n this.open();\n }\n open(open = true) {\n this.domElement.classList.toggle('muigui-closed', !open);\n this.domElement.classList.toggle('muigui-open', open);\n return this;\n }\n close() {\n return this.open(false);\n }\n name(name) {\n this.#labelElem.textContent = name;\n return this;\n }\n title(title) {\n return this.name(title);\n }\n toggleOpen() {\n this.open(!this.domElement.classList.contains('muigui-open'));\n return this;\n }\n}\n","import Controller from './Controller.js';\n\n// This feels like it should be something else like\n// gui.addDividing = new Controller()\nexport default class Label extends Controller {\n constructor(text) {\n super('muigui-label');\n this.text(text);\n }\n text(text) {\n this.domElement.textContent = text;\n return this;\n }\n}","function noop() {\n}\n\nexport function computeRelativePosition(elem, event, start) {\n const rect = elem.getBoundingClientRect();\n const x = event.clientX - rect.left;\n const y = event.clientY - rect.top;\n const nx = x / rect.width;\n const ny = y / rect.height;\n start = start || [x, y];\n const dx = x - start[0];\n const dy = y - start[1];\n const ndx = dx / rect.width;\n const ndy = dy / rect.width;\n return {x, y, nx, ny, dx, dy, ndx, ndy};\n}\n\nexport function addTouchEvents(elem, {onDown = noop, onMove = noop, onUp = noop}) {\n let start;\n const pointerMove = function (event) {\n const e = {\n type: 'move',\n ...computeRelativePosition(elem, event, start),\n };\n onMove(e);\n };\n\n const pointerUp = function (event) {\n elem.releasePointerCapture(event.pointerId);\n elem.removeEventListener('pointermove', pointerMove);\n elem.removeEventListener('pointerup', pointerUp);\n\n document.body.style.backgroundColor = '';\n\n onUp('up');\n };\n\n const pointerDown = function (event) {\n elem.addEventListener('pointermove', pointerMove);\n elem.addEventListener('pointerup', pointerUp);\n elem.setPointerCapture(event.pointerId);\n\n const rel = computeRelativePosition(elem, event);\n start = [rel.x, rel.y];\n onDown({\n type: 'down',\n ...rel,\n });\n };\n\n elem.addEventListener('pointerdown', pointerDown);\n\n return function () {\n elem.removeEventListener('pointerdown', pointerDown);\n };\n}","import { createElem, getNewId } from '../libs/elem.js';\nimport { addTouchEvents } from '../libs/touch.js';\nimport { identity } from '../libs/conversions.js';\nimport { clamp } from '../libs/utils.js';\nimport EditView from './EditView.js';\nimport {\n hexToFloatRGB,\n hexToFloatRGBA,\n hsv01ToRGBFloat,\n hsva01ToRGBAFloat,\n rgbFloatToHSV01,\n rgbaFloatToHSVA01,\n floatRGBToHex,\n floatRGBAToHex,\n rgbaFloatToHsla01,\n} from '../libs/color-utils.js';\nimport { copyExistingProperties } from '../libs/utils.js';\n\nconst svg = `\n\n \n \n \n \n \n \n \n \n\n \n \n \n\n\n \n \n \n \n \n \n \n \n \n \n \n \n \n\n\n \n \n \n \n \n \n \n \n\n`;\n\nfunction connectFillTargets(elem) {\n elem.querySelectorAll('[data-src]').forEach(srcElem => {\n const id = getNewId();\n srcElem.id = id;\n elem.querySelectorAll(`[data-target=${srcElem.dataset.src}]`).forEach(targetElem => {\n targetElem.setAttribute('fill', `url(#${id})`);\n });\n });\n return elem;\n}\n\n// Was originally going to make alpha an option. Issue is\n// hard coded conversions?\nexport default class ColorChooserView extends EditView {\n #to;\n #from;\n #satLevelElem;\n #circleElem;\n #hueUIElem;\n #hueElem;\n #hueCursorElem;\n #alphaUIElem;\n #alphaElem;\n #alphaCursorElem;\n #hsva;\n #skipHueUpdate;\n #skipSatLevelUpdate;\n #skipAlphaUpdate;\n #options = {\n converters: identity,\n alpha: false,\n };\n #convertInternalToHex;\n #convertHexToInternal;\n\n constructor(setter, options) {\n super(createElem('div', {\n innerHTML: svg,\n className: 'muigui-no-scroll',\n }));\n this.#satLevelElem = this.domElement.children[0];\n this.#hueUIElem = this.domElement.children[1];\n this.#alphaUIElem = this.domElement.children[2];\n connectFillTargets(this.#satLevelElem);\n connectFillTargets(this.#hueUIElem);\n connectFillTargets(this.#alphaUIElem);\n this.#circleElem = this.$('.muigui-color-chooser-circle');\n this.#hueElem = this.$('[data-src=muigui-color-chooser-hue]');\n this.#hueCursorElem = this.$('.muigui-color-chooser-hue-cursor');\n this.#alphaElem = this.$('[data-src=muigui-color-chooser-alpha]');\n this.#alphaCursorElem = this.$('.muigui-color-chooser-alpha-cursor');\n\n const handleSatLevelChange = (e) => {\n const s = clamp(e.nx, 0, 1);\n const v = clamp(e.ny, 0, 1);\n this.#hsva[1] = s;\n this.#hsva[2] = (1 - v);\n this.#skipHueUpdate = true;\n this.#skipAlphaUpdate = true;\n const [valid, newV] = this.#from(this.#convertInternalToHex(this.#hsva));\n if (valid) {\n setter.setValue(newV);\n }\n };\n\n const handleHueChange = (e) => {\n const h = clamp(e.nx, 0, 1);\n this.#hsva[0] = h;\n this.#skipSatLevelUpdate = true;\n this.#skipAlphaUpdate = true;\n const [valid, newV] = this.#from(this.#convertInternalToHex(this.#hsva));\n if (valid) {\n setter.setValue(newV);\n }\n };\n\n const handleAlphaChange = (e) => {\n const a = clamp(e.nx, 0, 1);\n this.#hsva[3] = a;\n this.#skipHueUpdate = true;\n this.#skipSatLevelUpdate = true;\n const [valid, newV] = this.#from(this.#convertInternalToHex(this.#hsva));\n if (valid) {\n setter.setValue(newV);\n }\n };\n\n addTouchEvents(this.#satLevelElem, {\n onDown: handleSatLevelChange,\n onMove: handleSatLevelChange,\n });\n addTouchEvents(this.#hueUIElem, {\n onDown: handleHueChange,\n onMove: handleHueChange,\n });\n addTouchEvents(this.#alphaUIElem, {\n onDown: handleAlphaChange,\n onMove: handleAlphaChange,\n });\n this.setOptions(options);\n }\n updateDisplay(newV) {\n if (!this.#hsva) {\n this.#hsva = this.#convertHexToInternal(this.#to(newV));\n }\n {\n const [h, s, v, a = 1] = this.#convertHexToInternal(this.#to(newV));\n // Don't copy the hue if it was un-computable.\n if (!this.#skipHueUpdate) {\n this.#hsva[0] = s > 0.001 && v > 0.001 ? h : this.#hsva[0];\n }\n if (!this.#skipSatLevelUpdate) {\n this.#hsva[1] = s;\n this.#hsva[2] = v;\n }\n if (!this.#skipAlphaUpdate) {\n this.#hsva[3] = a;\n }\n }\n {\n const [h, s, v, a] = this.#hsva;\n const [hue, sat, lum] = rgbaFloatToHsla01(hsva01ToRGBAFloat(this.#hsva));\n\n if (!this.#skipHueUpdate) {\n this.#hueCursorElem.setAttribute('transform', `translate(${h * 64}, 0)`);\n }\n this.#hueElem.children[0].setAttribute('stop-color', `hsl(${hue * 360} 0% 100% / ${a})`);\n this.#hueElem.children[1].setAttribute('stop-color', `hsl(${hue * 360} 100% 50% / ${a})`);\n if (!this.#skipAlphaUpdate) {\n this.#alphaCursorElem.setAttribute('transform', `translate(${a * 64}, 0)`);\n }\n this.#alphaElem.children[0].setAttribute('stop-color', `hsl(${hue * 360} ${sat * 100}% ${lum * 100}% / 0)`);\n this.#alphaElem.children[1].setAttribute('stop-color', `hsl(${hue * 360} ${sat * 100}% ${lum * 100}% / 1)`);\n\n if (!this.#skipSatLevelUpdate) {\n this.#circleElem.setAttribute('cx', `${s * 64}`);\n this.#circleElem.setAttribute('cy', `${(1 - v) * 48}`);\n }\n }\n this.#skipHueUpdate = false;\n this.#skipSatLevelUpdate = false;\n this.#skipAlphaUpdate = false;\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n const {converters: {to, from}, alpha} = this.#options;\n this.#alphaUIElem.style.display = alpha ? '' : 'none';\n this.#convertInternalToHex = alpha\n ? v => floatRGBAToHex(hsva01ToRGBAFloat(v))\n : v => floatRGBToHex(hsv01ToRGBFloat(v));\n this.#convertHexToInternal = alpha\n ? v => rgbaFloatToHSVA01(hexToFloatRGBA(v))\n : v => rgbFloatToHSV01(hexToFloatRGB(v));\n this.#to = to;\n this.#from = from;\n return this;\n }\n}\n","import ElementView from '../views/ElementView.js';\nimport ValueController from './ValueController.js';\nimport { copyExistingProperties } from '../libs/utils.js';\nimport { createElem } from '../libs/elem.js';\n/*\n\nholder = new TabHolder\ntab = holder.add(new Tab(\"name\"))\ntab.add(...)\n\n\npc = new PopdownController\ntop = pc.add(new Row())\ntop.add(new Button());\nvalues = topRow.add(new Div())\nbottom = pc.add(new Row());\n\n\n\npc = new PopdownController\npc.addTop\npc.addTop\n\npc.addBottom\n\n\n*/\n\nexport default class PopDownController extends ValueController {\n #top;\n #valuesView;\n #checkboxElem;\n #bottom;\n #options = {\n open: false,\n };\n\n constructor(object, property, options = {}) {\n super(object, property, 'muigui-pop-down-controller');\n /*\n [ValueView\n [[B][values]] upper row\n [[ visual ]] lower row\n ]\n */\n this.#top = this.add(new ElementView('div', 'muigui-pop-down-top'));\n// this.#top.add(new CheckboxView(makeSetter(this.#options, 'open')));\n const checkboxElem = this.#top.addElem(createElem('input', {\n type: 'checkbox',\n onChange: () => {\n this.#options.open = checkboxElem.checked;\n this.updateDisplay();\n },\n }));\n this.#checkboxElem = checkboxElem;\n this.#valuesView = this.#top.add(new ElementView('div', 'muigui-pop-down-values'));\n this.#bottom = this.add(new ElementView('div', 'muigui-pop-down-bottom'));\n this.setOptions(options);\n }\n setKnobColor(bgCssColor/*, fgCssColor*/) {\n if (this.#checkboxElem) {\n this.#checkboxElem.style = `\n --range-color: ${bgCssColor};\n --value-bg-color: ${bgCssColor};\n `;\n }\n }\n updateDisplay() {\n super.updateDisplay();\n const {open} = this.#options;\n this.domElement.children[1].classList.toggle('muigui-open', open);\n this.domElement.children[1].classList.toggle('muigui-closed', !open);\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n super.setOptions(options);\n this.updateDisplay();\n }\n addTop(view) {\n return this.#valuesView.add(view);\n }\n addBottom(view) {\n return this.#bottom.add(view);\n }\n}","/* eslint-disable no-underscore-dangle */\nimport {\n colorFormatConverters,\n guessFormat,\n hasAlpha,\n hexToUint8RGB,\n hslToRgbUint8,\n rgbUint8ToHsl,\n uint8RGBToHex,\n} from '../libs/color-utils.js';\nimport ColorChooserView from '../views/ColorChooserView.js';\nimport TextView from '../views/TextView.js';\nimport PopDownController from './PopDownController.js';\n\nexport default class ColorChooser extends PopDownController {\n #colorView;\n #textView;\n #to;\n #setKnobHelper;\n\n constructor(object, property, options = {}) {\n super(object, property, 'muigui-color-chooser');\n const format = options.format || guessFormat(this.getValue());\n const {color, text} = colorFormatConverters[format];\n this.#to = color.to;\n this.#textView = new TextView(this, {converters: text, alpha: hasAlpha(format)});\n this.#colorView = new ColorChooserView(this, {converters: color, alpha: hasAlpha(format)});\n this.addTop(this.#textView);\n this.addBottom(this.#colorView);\n // WTF! FIX!\n this.#setKnobHelper = () => {\n if (this.#to) {\n const hex6Or8 = this.#to(this.getValue());\n const hsl = rgbUint8ToHsl(hexToUint8RGB(hex6Or8));\n hsl[2] = (hsl[2] + 50) % 100;\n const hex = uint8RGBToHex(hslToRgbUint8(hsl));\n this.setKnobColor(`${hex6Or8.substring(0, 7)}FF`, hex);\n }\n };\n this.updateDisplay();\n }\n updateDisplay() {\n super.updateDisplay();\n if (this.#setKnobHelper) {\n this.#setKnobHelper();\n }\n }\n setOptions(options) {\n super.setOptions(options);\n return this;\n }\n}\n","import css from './styles/muigui.css.js';\nimport {createElem} from './libs/elem.js';\nimport {createController} from './controllers/create-controller.js';\nimport {\n mapRange,\n makeRangeConverters,\n makeRangeOptions,\n makeMinMaxPair,\n} from './libs/utils.js';\nimport {\n converters\n} from './libs/conversions.js';\nimport {\n hasAlpha,\n guessFormat,\n} from './libs/color-utils.js';\nimport Canvas from './controllers/Canvas.js';\nimport Color from './controllers/Color.js';\nimport Divider from './controllers/Divider.js';\nimport Folder from './controllers/Folder.js';\nimport Label from './controllers/Label.js';\nimport Controller from './controllers/Controller.js';\nimport ColorChooser from './controllers/ColorChooser.js';\n\nimport Column from './layout/Column.js';\nimport Frame from './layout/Frame.js';\nimport Grid from './layout/Grid.js';\nimport Row from './layout/Row.js';\n\nexport {\n Column,\n Frame,\n Grid,\n Row,\n};\n\nexport class GUIFolder extends Folder {\n add(object, property, ...args) {\n const controller = object instanceof Controller\n ? object\n : createController(object, property, ...args);\n return this.addController(controller);\n }\n addCanvas(name) {\n return this.addController(new Canvas(name));\n }\n addColor(object, property, options = {}) {\n const value = object[property];\n if (hasAlpha(options.format || guessFormat(value))) {\n return this.addController(new ColorChooser(object, property, options));\n } else {\n return this.addController(new Color(object, property, options));\n }\n }\n addDivider() {\n return this.addController(new Divider());\n }\n addFolder(name) {\n return this.addController(new GUIFolder(name));\n }\n addLabel(text) {\n return this.addController(new Label(text));\n }\n}\n\nclass MuiguiElement extends HTMLElement {\n constructor() {\n super();\n this.shadow = this.attachShadow({mode: 'open'});\n }\n}\n\ncustomElements.define('muigui-element', MuiguiElement);\n\nconst baseStyleSheet = new CSSStyleSheet();\nbaseStyleSheet.replaceSync(css.default);\nconst userStyleSheet = new CSSStyleSheet();\n\nfunction makeStyleSheetUpdater(styleSheet) {\n let newCss;\n let newCssPromise;\n\n function updateStyle() {\n if (newCss && !newCssPromise) {\n const s = newCss;\n newCss = undefined;\n newCssPromise = styleSheet.replace(s).then(() => {\n newCssPromise = undefined;\n updateStyle();\n });\n }\n }\n\n return function updateStyleSheet(css) {\n newCss = css;\n updateStyle();\n };\n}\n\nconst updateBaseStyle = makeStyleSheetUpdater(baseStyleSheet);\nconst updateUserStyle = makeStyleSheetUpdater(userStyleSheet);\n\nexport class GUI extends GUIFolder {\n static converters = converters;\n static mapRange = mapRange;\n static makeRangeConverters = makeRangeConverters;\n static makeRangeOptions = makeRangeOptions;\n static makeMinMaxPair = makeMinMaxPair;\n #localStyleSheet = new CSSStyleSheet();\n\n constructor(options = {}) {\n super('Controls', 'muigui-root');\n if (options instanceof HTMLElement) {\n options = {parent: options};\n }\n const {\n autoPlace = true,\n width,\n title = 'Controls',\n } = options;\n let {\n parent,\n } = options;\n\n if (width) {\n this.domElement.style.width = /^\\d+$/.test(width) ? `${width}px` : width;\n }\n if (parent === undefined && autoPlace) {\n parent = document.body;\n this.domElement.classList.add('muigui-auto-place');\n }\n if (parent) {\n const muiguiElement = createElem('muigui-element');\n muiguiElement.shadowRoot.adoptedStyleSheets = [baseStyleSheet, userStyleSheet, this.#localStyleSheet];\n muiguiElement.shadow.appendChild(this.domElement);\n parent.appendChild(muiguiElement);\n }\n if (title) {\n this.title(title);\n }\n this.domElement.classList.add('muigui', 'muigui-colors');\n }\n setStyle(css) {\n this.#localStyleSheet.replace(css);\n }\n static setBaseStyles(css) {\n updateBaseStyle(css);\n }\n static getBaseStyleSheet() {\n return baseStyleSheet;\n }\n static setUserStyles(css) {\n updateUserStyle(css);\n }\n static getUserStyleSheet() {\n return userStyleSheet;\n }\n static setTheme(name) {\n GUI.setBaseStyles(`${css.default}\\n${css.themes[name] || ''}`);\n }\n}\n\nexport default GUI;\n","import Button from './Button.js';\nimport Checkbox from './Checkbox.js';\nimport TextNumber from './TextNumber.js';\nimport Select from './Select.js';\nimport Range from './Range.js';\nimport Text from './Text.js';\n\n// const isConversion = o => typeof o.to === 'function' && typeof o.from === 'function';\n\n/**\n * possible inputs\n * add(o, p, min: number, max: number)\n * add(o, p, min: number, max: number, step: number)\n * add(o, p, array: [value])\n * add(o, p, array: [[key, value]])\n *\n * @param {*} object\n * @param {string} property\n * @param {...any} args\n * @returns {Controller}\n */\nexport function createController(object, property, ...args) {\n const [arg1] = args;\n if (Array.isArray(arg1)) {\n return new Select(object, property, {keyValues: arg1});\n }\n\n const t = typeof object[property];\n switch (t) {\n case 'number':\n if (typeof args[0] === 'number' && typeof args[1] === 'number') {\n const min = args[0];\n const max = args[1];\n const step = args[2];\n return new Range(object, property, {min, max, ...(step && {step})});\n }\n return args.length === 0\n ? new TextNumber(object, property, ...args)\n : new Range(object, property, ...args);\n case 'boolean':\n return new Checkbox(object, property, ...args);\n case 'function':\n return new Button(object, property, ...args);\n case 'string':\n return new Text(object, property, ...args);\n case 'undefined':\n throw new Error(`no property named ${property}`);\n default:\n throw new Error(`unhandled type ${t} for property ${property}`);\n }\n}","function noop() {\n}\n\nconst keyDirections = {\n ArrowLeft: [-1, 0],\n ArrowRight: [1, 0],\n ArrowUp: [0, -1],\n ArrowDown: [0, 1],\n};\n\n// This probably needs to be global\nexport function addKeyboardEvents(elem, {onDown = noop, onUp = noop}) {\n const keyDown = function (event) {\n const mult = event.shiftKey ? 10 : 1;\n const [dx, dy] = (keyDirections[event.key] || [0, 0]).map(v => v * mult);\n const fn = event.type === 'keydown' ? onDown : onUp;\n fn({\n type: event.type.substring(3),\n dx,\n dy,\n event,\n });\n };\n\n elem.addEventListener('keydown', keyDown);\n elem.addEventListener('keyup', keyDown);\n\n return function () {\n elem.removeEventListener('keydown', keyDown);\n elem.removeEventListener('keyup', keyDown);\n };\n}","export function assert(truthy, msg = '') {\n if (!truthy) {\n throw new Error(msg);\n }\n}","import { assert } from '../libs/assert.js';\n\nfunction getEllipsePointForAngle(cx, cy, rx, ry, phi, theta) {\n const m = Math.abs(rx) * Math.cos(theta);\n const n = Math.abs(ry) * Math.sin(theta);\n\n return [\n cx + Math.cos(phi) * m - Math.sin(phi) * n,\n cy + Math.sin(phi) * m + Math.cos(phi) * n,\n ];\n}\n\nfunction getEndpointParameters(cx, cy, rx, ry, phi, theta, dTheta) {\n const [x1, y1] = getEllipsePointForAngle(cx, cy, rx, ry, phi, theta);\n const [x2, y2] = getEllipsePointForAngle(cx, cy, rx, ry, phi, theta + dTheta);\n\n const fa = Math.abs(dTheta) > Math.PI ? 1 : 0;\n const fs = dTheta > 0 ? 1 : 0;\n\n return { x1, y1, x2, y2, fa, fs };\n}\n\nexport function arc(cx, cy, r, start, end) {\n assert(Math.abs(start - end) <= Math.PI * 2);\n assert(start >= -Math.PI && start <= Math.PI * 2);\n assert(start <= end);\n assert(end >= -Math.PI && end <= Math.PI * 4);\n\n const { x1, y1, x2, y2, fa, fs } = getEndpointParameters(cx, cy, r, r, 0, start, end - start);\n return Math.abs(Math.abs(start - end) - Math.PI * 2) > Number.EPSILON\n ? `M${cx} ${cy} L${x1} ${y1} A ${r} ${r} 0 ${fa} ${fs} ${x2} ${y2} L${cx} ${cy}`\n : `M${x1} ${y1} L${x1} ${y1} A ${r} ${r} 0 ${fa} ${fs} ${x2} ${y2}`;\n}\n","import { identity } from '../libs/conversions.js';\nimport { createElem } from '../libs/elem.js';\nimport { addKeyboardEvents } from '../libs/keyboard.js';\nimport { arc } from '../libs/svg.js';\nimport { addTouchEvents } from '../libs/touch.js';\nimport { createWheelHelper } from '../libs/wheel.js';\nimport { clamp, copyExistingProperties, euclideanModulo, lerp, stepify } from '../libs/utils.js';\nimport EditView from './EditView.js';\n\nconst svg = `\n\n \n \n \n \n \n \n \n\n`;\n\nconst twoPiMod = v => euclideanModulo(v + Math.PI, Math.PI * 2) - Math.PI;\n\nexport default class DirectionView extends EditView {\n #arrowElem;\n #rangeElem;\n #lastV;\n #wrap;\n #options = {\n step: 1,\n min: -180,\n max: 180,\n\n /*\n --------\n / -π/2 \\\n / | \\\n |<- -π * |\n | * 0 ->| zero is down the positive X axis\n |<- +π * |\n \\ | /\n \\ π/2 /\n --------\n */\n dirMin: -Math.PI,\n dirMax: Math.PI,\n //dirMin: Math.PI * 0.5,\n //dirMax: Math.PI * 2.5,\n //dirMin: -Math.PI * 0.75, // test 10:30 to 7:30\n //dirMax: Math.PI * 0.75,\n //dirMin: Math.PI * 0.75, // test 7:30 to 10:30\n //dirMax: -Math.PI * 0.75,\n //dirMin: -Math.PI * 0.75, // test 10:30 to 1:30\n //dirMax: -Math.PI * 0.25,\n //dirMin: Math.PI * 0.25, // test 4:30 to 7:30\n //dirMax: Math.PI * 0.75,\n //dirMin: Math.PI * 0.75, // test 4:30 to 7:30\n //dirMax: Math.PI * 0.25,\n wrap: undefined,\n converters: identity,\n };\n\n constructor(setter, options = {}) {\n const wheelHelper = createWheelHelper();\n super(createElem('div', {\n className: 'muigui-direction muigui-no-scroll',\n innerHTML: svg,\n onWheel: e => {\n e.preventDefault();\n const {min, max, step} = this.#options;\n const delta = wheelHelper(e, step);\n let tempV = this.#lastV + delta;\n if (this.#wrap) {\n tempV = euclideanModulo(tempV - min, max - min) + min;\n }\n const newV = clamp(stepify(tempV, v => v, step), min, max);\n setter.setValue(newV);\n },\n }));\n const handleTouch = (e) => {\n const {min, max, step, dirMin, dirMax} = this.#options;\n const nx = e.nx * 2 - 1;\n const ny = e.ny * 2 - 1;\n const a = Math.atan2(ny, nx);\n\n const center = (dirMin + dirMax) / 2;\n\n const centeredAngle = twoPiMod(a - center);\n const centeredStart = twoPiMod(dirMin - center);\n const diff = dirMax - dirMin;\n\n const n = clamp((centeredAngle - centeredStart) / (diff), 0, 1);\n const newV = stepify(min + (max - min) * n, v => v, step);\n setter.setValue(newV);\n };\n addTouchEvents(this.domElement, {\n onDown: handleTouch,\n onMove: handleTouch,\n });\n addKeyboardEvents(this.domElement, {\n onDown: (e) => {\n const {min, max, step} = this.#options;\n const newV = clamp(stepify(this.#lastV + e.dx * step, v => v, step), min, max);\n setter.setValue(newV);\n },\n });\n this.#arrowElem = this.$('#muigui-arrow');\n this.#rangeElem = this.$('#muigui-range');\n this.setOptions(options);\n }\n updateDisplay(v) {\n this.#lastV = v;\n const {min, max} = this.#options;\n const n = (v - min) / (max - min);\n const angle = lerp(this.#options.dirMin, this.#options.dirMax, n);\n this.#arrowElem.style.transform = `rotate(${angle}rad)`;\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n const {dirMin, dirMax, wrap} = this.#options;\n this.#wrap = wrap !== undefined\n ? wrap\n : Math.abs(dirMin - dirMax) >= Math.PI * 2 - Number.EPSILON;\n const [min, max] = dirMin < dirMax ? [dirMin, dirMax] : [dirMax , dirMin];\n this.#rangeElem.setAttribute('d', arc(0, 0, 28.87, min, max));\n }\n}\n","import { createElem } from '../libs/elem.js';\nimport { makeId } from '../libs/ids.js';\nimport EditView from './EditView.js';\n\nexport default class RadioGridView extends EditView {\n #values;\n\n constructor(setter, keyValues, cols = 3) {\n const values = [];\n const name = makeId();\n super(createElem('div', {}, keyValues.map(([key, value], ndx) => {\n values.push(value);\n return createElem('label', {}, [\n createElem('input', {\n type: 'radio',\n name,\n value: ndx,\n onChange: function () {\n if (this.checked) {\n setter.setFinalValue(that.#values[this.value]);\n }\n },\n }),\n createElem('button', {\n type: 'button',\n textContent: key,\n onClick: function () {\n this.previousElementSibling.click();\n },\n }),\n ]);\n })));\n // eslint-disable-next-line @typescript-eslint/no-this-alias\n const that = this;\n this.#values = values;\n this.cols(cols);\n }\n updateDisplay(v) {\n const ndx = this.#values.indexOf(v);\n for (let i = 0; i < this.domElement.children.length; ++i) {\n this.domElement.children[i].children[0].checked = i === ndx;\n }\n }\n cols(cols) {\n this.domElement.style.gridTemplateColumns = `repeat(${cols}, 1fr)`;\n }\n}\n","export function onResize(elem, callback) {\n new ResizeObserver(() => {\n callback({rect: elem.getBoundingClientRect(), elem});\n }).observe(elem);\n}\n\nexport function onResizeSVGNoScale(elem, hAnchor, vAnchor, callback) {\n onResize(elem, ({rect}) => {\n const {width, height} = rect;\n elem.setAttribute('viewBox', `-${width * hAnchor} -${height * vAnchor} ${width} ${height}`);\n callback({elem, rect});\n });\n}\n\nexport function onResizeCanvas(elem, callback) {\n onResize(elem, ({rect}) => {\n const {width, height} = rect;\n elem.width = width;\n elem.height = height;\n callback({elem, rect});\n });\n}\n","import { createElem } from '../libs/elem.js';\nimport { addKeyboardEvents } from '../libs/keyboard.js';\nimport { addTouchEvents } from '../libs/touch.js';\nimport { createWheelHelper } from '../libs/wheel.js';\nimport { onResizeSVGNoScale } from '../libs/resize-helpers.js';\nimport { clamp, copyExistingProperties, stepify } from '../libs/utils.js';\nimport EditView from './EditView.js';\n\nconst svg = `\n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n`;\n\nfunction createSVGTicks(start, end, step, min, max, height) {\n const p = [];\n if (start < min) {\n start += stepify(min - start, v => v, step);\n }\n end = Math.min(end, max);\n for (let i = start; i <= end; i += step) {\n p.push(`M${i} 0 l0 ${height}`);\n }\n return p.join(' ');\n}\n\nfunction createSVGNumbers(start, end, unitSize, unit, minusSize, min, max, labelFn) {\n const texts = [];\n if (start < min) {\n start += stepify(min - start, v => v, unitSize);\n }\n end = Math.min(end, max);\n const digits = Math.max(0, -Math.log10(unit));\n const f = v => labelFn(v.toFixed(digits));\n for (let i = start; i <= end; i += unitSize) {\n texts.push(`= 0 ? i : (i - minusSize / 2) }\" y=\"0\">${f(i / unitSize * unit)}`);\n }\n return texts.join('\\n');\n}\n\nfunction computeSizeOfMinus(elem) {\n const oldHTML = elem.innerHTML;\n elem.innerHTML = '- ';\n const text = elem.querySelector('text');\n const size = text.getComputedTextLength();\n elem.innerHTML = oldHTML;\n return size;\n}\n\nexport default class SliderView extends EditView {\n #svgElem;\n #originElem;\n #ticksElem;\n #thicksElem;\n #numbersElem;\n #leftGradElem;\n #rightGradElem;\n #width;\n #height;\n #lastV;\n #minusSize;\n #options = {\n min: -100,\n max: 100,\n step: 1,\n unit: 10,\n unitSize: 10,\n ticksPerUnit: 5,\n labelFn: v => v,\n tickHeight: 1,\n limits: true,\n thicksColor: undefined,\n orientation: undefined,\n };\n\n constructor(setter, options) {\n const wheelHelper = createWheelHelper();\n super(createElem('div', {\n innerHTML: svg,\n className: 'muigui-no-v-scroll',\n onWheel: e => {\n e.preventDefault();\n const {min, max, step} = this.#options;\n const delta = wheelHelper(e, step);\n const newV = clamp(stepify(this.#lastV + delta, v => v, step), min, max);\n setter.setValue(newV);\n },\n }));\n this.#svgElem = this.$('svg');\n this.#originElem = this.$('#muigui-origin');\n this.#ticksElem = this.$('#muigui-ticks');\n this.#thicksElem = this.$('#muigui-thicks');\n this.#numbersElem = this.$('#muigui-numbers');\n this.#leftGradElem = this.$('#muigui-left-grad');\n this.#rightGradElem = this.$('#muigui-right-grad');\n this.setOptions(options);\n let startV;\n addTouchEvents(this.domElement, {\n onDown: () => {\n startV = this.#lastV;\n },\n onMove: (e) => {\n const {min, max, unitSize, unit, step} = this.#options;\n const newV = clamp(stepify(startV - e.dx / unitSize * unit, v => v, step), min, max);\n setter.setValue(newV);\n },\n });\n addKeyboardEvents(this.domElement, {\n onDown: (e) => {\n const {min, max, step} = this.#options;\n const newV = clamp(stepify(this.#lastV + e.dx * step, v => v, step), min, max);\n setter.setValue(newV);\n },\n });\n onResizeSVGNoScale(this.#svgElem, 0.5, 0, ({rect: {width}}) => {\n this.#leftGradElem.setAttribute('x', -width / 2);\n this.#rightGradElem.setAttribute('x', width / 2 - 20);\n this.#minusSize = computeSizeOfMinus(this.#numbersElem);\n this.#width = width;\n this.#updateSlider();\n });\n }\n // |--------V--------|\n // . . | . . . | . . . |\n //\n #updateSlider() {\n // There's no size if ResizeObserver has not fired yet.\n if (!this.#width || this.#lastV === undefined) {\n return;\n }\n const {\n labelFn,\n limits,\n min,\n max,\n orientation,\n tickHeight,\n ticksPerUnit,\n unit,\n unitSize,\n thicksColor,\n } = this.#options;\n const unitsAcross = Math.ceil(this.#width / unitSize);\n const center = this.#lastV;\n const centerUnitSpace = center / unit;\n const startUnitSpace = Math.round(centerUnitSpace - unitsAcross);\n const endUnitSpace = startUnitSpace + unitsAcross * 2;\n const start = startUnitSpace * unitSize;\n const end = endUnitSpace * unitSize;\n const minUnitSpace = limits ? min * unitSize / unit : start;\n const maxUnitSpace = limits ? max * unitSize / unit : end;\n const height = labelFn(1) === '' ? 10 : 5;\n if (ticksPerUnit > 1) {\n this.#ticksElem.setAttribute('d', createSVGTicks(start, end, unitSize / ticksPerUnit, minUnitSpace, maxUnitSpace, height * tickHeight));\n }\n this.#thicksElem.style.stroke = thicksColor; //setAttribute('stroke', thicksColor);\n this.#thicksElem.setAttribute('d', createSVGTicks(start, end, unitSize, minUnitSpace, maxUnitSpace, height));\n this.#numbersElem.innerHTML = createSVGNumbers(start, end, unitSize, unit, this.#minusSize, minUnitSpace, maxUnitSpace, labelFn);\n this.#originElem.setAttribute('transform', `translate(${-this.#lastV * unitSize / unit} 0)`);\n this.#svgElem.classList.toggle('muigui-slider-up', orientation === 'up');\n }\n updateDisplay(v) {\n this.#lastV = v;\n this.#updateSlider();\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n return this;\n }\n}\n","import { createElem } from '../libs/elem.js';\nimport { addTouchEvents } from '../libs/touch.js';\nimport { onResizeSVGNoScale } from '../libs/resize-helpers.js';\nimport EditView from './EditView.js';\n\nconst svg = `\n\n \n \n \n \n \n\n`;\n\nexport default class Vec2View extends EditView {\n #svgElem;\n #arrowElem;\n #circleElem;\n #lastV = [];\n\n constructor(setter) {\n super(createElem('div', {\n innerHTML: svg,\n className: 'muigui-no-scroll',\n }));\n const onTouch = (e) => {\n const {width, height} = this.#svgElem.getBoundingClientRect();\n const nx = e.nx * 2 - 1;\n const ny = e.ny * 2 - 1;\n setter.setValue([nx * width * 0.5, ny * height * 0.5]);\n };\n addTouchEvents(this.domElement, {\n onDown: onTouch,\n onMove: onTouch,\n });\n this.#svgElem = this.$('svg');\n this.#arrowElem = this.$('#muigui-arrow');\n this.#circleElem = this.$('#muigui-circle');\n onResizeSVGNoScale(this.#svgElem, 0.5, 0.5, () => this.#updateDisplayImpl);\n }\n #updateDisplayImpl() {\n const [x, y] = this.#lastV;\n this.#arrowElem.setAttribute('d', `M0,0L${x},${y}`);\n this.#circleElem.setAttribute('transform', `translate(${x}, ${y})`);\n }\n updateDisplay(v) {\n this.#lastV[0] = v[0];\n this.#lastV[1] = v[1];\n this.#updateDisplayImpl();\n }\n}\n","import GUI from './muigui.js';\n\nimport ColorChooser from './controllers/ColorChooser.js';\nimport Direction from './controllers/Direction.js';\nimport RadioGrid from './controllers/RadioGrid.js';\nimport Range from './controllers/Range.js';\nimport Select from './controllers/Select.js';\nimport Slider from './controllers/Slider.js';\nimport TextNumber from './controllers/TextNumber.js';\nimport Vec2 from './controllers/Vec2.js';\n\nGUI.ColorChooser = ColorChooser;\nGUI.Direction = Direction;\nGUI.RadioGrid = RadioGrid;\nGUI.Range = Range;\nGUI.Select = Select;\nGUI.Slider = Slider;\nGUI.TextNumber = TextNumber;\nGUI.Vec2 = Vec2;\n\nexport default GUI;","import { identity } from '../libs/conversions.js';\nimport DirectionView from '../views/DirectionView.js';\nimport NumberView from '../views/NumberView.js';\n// import ValueController from './ValueController.js';\nimport PopDownController from './PopDownController.js';\n\n\n// deg2rad\n// where is 0\n// range (0, 360), (-180, +180), (0,0) Really this is a range\n\nexport default class Direction extends PopDownController {\n #options;\n constructor(object, property, options) {\n super(object, property, 'muigui-direction');\nthis.#options = options; // FIX\n this.addTop(new NumberView(this,\nidentity));\n this.addBottom(new DirectionView(this, options));\n this.updateDisplay();\n }\n}\n\n","import RadioGridView from '../views/RadioGridView.js';\nimport ValueController from './ValueController.js';\nimport { convertToKeyValues } from '../libs/key-values.js';\n\nexport default class RadioGrid extends ValueController {\n constructor(object, property, options) {\n super(object, property, 'muigui-radio-grid');\n const valueIsNumber = typeof this.getValue() === 'number';\n const {\n keyValues: keyValuesInput,\n cols = 3,\n } = options;\n const keyValues = convertToKeyValues(keyValuesInput, valueIsNumber);\n this.add(new RadioGridView(this, keyValues, cols));\n this.updateDisplay();\n }\n}","import ValueController from './ValueController.js';\nimport NumberView from '../views/NumberView.js';\nimport SliderView from '../views/SliderView.js';\n\nexport default class Slider extends ValueController {\n constructor(object, property, options = {}) {\n super(object, property, 'muigui-slider');\n this.add(new SliderView(this, options));\n this.add(new NumberView(this, options));\n this.updateDisplay();\n }\n}\n","import NumberView from '../views/NumberView.js';\nimport Vec2View from '../views/Vec2View.js';\nimport PopDownController from './PopDownController.js';\nimport { strToNumber } from '../libs/conversions.js';\n\n// TODO: zoom with wheel and pinch?\n// TODO: grid?\n// // options\n// scale:\n// range: number (both x and y + /)\n// range: array (min, max)\n// xRange:\n// deg/rad/turn\n\nexport default class Vec2 extends PopDownController {\n constructor(object, property) {\n super(object, property, 'muigui-vec2');\n\n const makeSetter = (ndx) => {\n return {\n setValue: (v) => {\n const newV = this.getValue();\n newV[ndx] = v;\n this.setValue(newV);\n },\n setFinalValue: (v) => {\n const newV = this.getValue();\n newV[ndx] = v;\n this.setFinalValue(newV);\n },\n };\n };\n\n this.addTop(new NumberView(makeSetter(0), {\n converters: {\n to: v => v[0],\n from: strToNumber.from,\n },\n }));\n this.addTop(new NumberView(makeSetter(1), {\n converters: {\n to: v => v[1],\n from: strToNumber.from,\n },\n }));\n this.addBottom(new Vec2View(this));\n this.updateDisplay();\n 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\ No newline at end of file diff --git a/dist/0.x/muigui.module.js b/dist/0.x/muigui.module.js new file mode 100644 index 0000000..db65852 --- /dev/null +++ b/dist/0.x/muigui.module.js @@ -0,0 +1,3818 @@ +/* muigui@0.0.12, license MIT */ +var css = { + default: ` +.muigui { + --bg-color: #ddd; + --color: #222; + --contrast-color: #eee; + --value-color: #145 ; + --value-bg-color: #eeee; + --disabled-color: #999; + --menu-bg-color: #f8f8f8; + --menu-sep-color: #bbb; + --hover-bg-color: #999; + --focus-color: #68C; + --range-color: #888888; + --invalid-color: #FF0000; + --selected-color: rgb(255, 255, 255, 0.9); + + --button-bg-color: var(--value-bg-color); + + --range-left-color: var(--value-color); + --range-right-color: var(--value-bg-color); + --range-right-hover-color: var(--hover-bg-color); + + color: var(--color); + background-color: var(--bg-color); +} + +@media (prefers-color-scheme: dark) { + .muigui { + --bg-color: #222222; + --color: #dddddd; + --contrast-color: #000; + --value-color: #43e5f7; + --value-bg-color: #444444; + --disabled-color: #666666; + --menu-bg-color: #080808; + --menu-sep-color: #444444; + --hover-bg-color: #666666; + --focus-color: #88AAFF; + --range-color: #888888; + --invalid-color: #FF6666; + --selected-color: rgba(255, 255, 255, 0.3); + + --button-bg-color: var(--value-bg-color); + + --range-left-color: var(--value-color); + --range-right-color: var(--value-bg-color); + --range-right-hover-color: var(--hover-bg-color); + + color: var(--color); + background-color: var(--bg-color); + } +} + +.muigui { + --width: 250px; + --label-width: 45%; + --number-width: 40%; + + + --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif; + --font-size: 11px; + --font-family-mono: Menlo, Monaco, Consolas, "Droid Sans Mono", monospace; + --font-size-mono: 11px; + + --line-height: 1.7em; + --border-radius: 0px; + + width: var(--width); + font-family: var(--font-family); + font-size: var(--font-size); + box-sizing: border-box; + line-height: 100%; +} +.muigui * { + box-sizing: inherit; +} + +.muigui-no-scroll { + touch-action: none; +} +.muigui-no-h-scroll { + touch-action: pan-y; +} +.muigui-no-v-scroll { + touch-action: pan-x; +} + +.muigui-invalid-value { + background-color: red !important; + color: white !important; +} + +.muigui-grid { + display: grid; +} +.muigui-rows { + display: flex; + flex-direction: column; + + min-height: 20px; + border: 2px solid red; +} +.muigui-columns { + display: flex; + flex-direction: row; + + height: 20px; + border: 2px solid green; +} +.muigui-rows>*, +.muigui-columns>* { + flex: 1 1 auto; + align-items: stretch; + min-height: 0; + min-width: 0; +} + +.muigui-row { + border: 2px solid yellow; + min-height: 10px +} +.muigui-column { + border: 2px solid lightgreen; +} + +/* -------- */ + +.muigui-show { /* */ } +.muigui-hide { + display: none !important; +} +.muigui-disabled { + pointer-events: none; + --color: var(--disabled-color) !important; + --value-color: var(--disabled-color) !important; + --range-left-color: var(--disabled-color) !important; +} + +.muigui canvas, +.muigui svg { + display: block; + border-radius: var(--border-radius); +} +.muigui canvas { + background-color: var(--value-bg-color); +} + +.muigui-controller { + min-width: 0; + min-height: var(--line-height); +} +.muigui-root, +.muigui-menu { + display: flex; + flex-direction: column; + position: relative; + user-select: none; + height: fit-content; + margin: 0; + padding-bottom: 0.1em; + border-radius: var(--border-radius); +} +.muigui-menu { + border-bottom: 1px solid var(--menu-sep-color); +} + +.muigui-root>button:nth-child(1), +.muigui-menu>button:nth-child(1) { + border-top: 1px solid var(--menu-sep-color); + border-bottom: 1px solid var(--menu-sep-color); + position: relative; + text-align: left; + color: var(--color); + background-color: var(--menu-bg-color); + min-height: var(--line-height); + padding-top: 0.2em; + padding-bottom: 0.2em; + cursor: pointer; + border-radius: var(--border-radius); +} +.muigui-root>div:nth-child(2), +.muigui-menu>div:nth-child(2) { + flex: 1 1 auto; +} + +.muigui-controller { + margin-left: 0.2em; + margin-right: 0.2em; +} +.muigui-root.muigui-controller, +.muigui-menu.muigui-controller { + margin-left: 0; + margin-right: 0; +} +.muigui-controller>*:nth-child(1) { + flex: 1 0 var(--label-width); + min-width: 0; + white-space: pre; +} +.muigui-controller>label:nth-child(1) { + place-content: center start; + display: inline-grid; + overflow: hidden; +} +.muigui-controller>*:nth-child(2) { + flex: 1 1 75%; + min-width: 0; +} + +/* ----------------------------------------- + a label controller is [[label][value]] +*/ + +.muigui-label-controller { + display: flex; + margin: 0.4em 0 0.4em 0; + word-wrap: initial; + align-items: stretch; +} + +.muigui-value { + display: flex; + align-items: stretch; +} +.muigui-value>* { + flex: 1 1 auto; + min-width: 0; +} +.muigui-value>*:nth-child(1) { + flex: 1 1 calc(100% - var(--number-width)); +} +.muigui-value>*:nth-child(2) { + flex: 1 1 var(--number-width); + margin-left: 0.2em; +} + +/* fix! */ +.muigui-open>button>label::before, +.muigui-closed>button>label::before { + width: 1.25em; + height: var(--line-height); + display: inline-grid; + place-content: center start; + pointer-events: none; +} +.muigui-open>button>label::before { + content: "ⓧ"; /*"▼";*/ +} +.muigui-closed>button>label::before { + content: "⨁"; /*"▶";*/ +} +.muigui-open>*:nth-child(2) { + transition: max-height 0.2s ease-out, + opacity 0.5s ease-out; + max-height: 100vh; + overflow: auto; + opacity: 1; +} + +.muigui-closed>*:nth-child(2) { + transition: max-height 0.2s ease-out, + opacity 1s; + max-height: 0; + opacity: 0; + overflow: hidden; +} + +/* ---- popdown ---- */ + +.muigui-pop-down-top { + display: flex; +} +/* fix? */ +.muigui-value>*:nth-child(1).muigui-pop-down-top { + flex: 0; +} +.muigui-pop-down-bottom { + +} + +.muigui-pop-down-values { + min-width: 0; + display: flex; +} +.muigui-pop-down-values>* { + flex: 1 1 auto; + min-width: 0; +} + +.muigui-value.muigui-pop-down-controller { + flex-direction: column; +} + +.muigui-pop-down-top input[type=checkbox] { + -webkit-appearance: none; + appearance: none; + width: auto; + color: var(--value-color); + background-color: var(--value-bg-color); + cursor: pointer; + + display: grid; + place-content: center; + margin: 0; + font: inherit; + color: currentColor; + width: 1.7em; + height: 1.7em; + transform: translateY(-0.075em); +} + +.muigui-pop-down-top input[type=checkbox]::before { + content: "+"; + display: grid; + place-content: center; + border-radius: calc(var(--border-radius) + 2px); + border-left: 1px solid rgba(255,255,255,0.3); + border-top: 1px solid rgba(255,255,255,0.3); + border-bottom: 1px solid rgba(0,0,0,0.2); + border-right: 1px solid rgba(0,0,0,0.2); + background-color: var(--range-color); + color: var(--value-bg-color); + width: calc(var(--line-height) - 4px); + height: calc(var(--line-height) - 4px); +} + +.muigui-pop-down-top input[type=checkbox]:checked::before { + content: "Ｘ"; +} + + +/* ---- select ---- */ + +.muigui select, +.muigui option, +.muigui input, +.muigui button { + color: var(--value-color); + background-color: var(--value-bg-color); + font-family: var(--font-family); + font-size: var(--font-size); + border: none; + margin: 0; + border-radius: var(--border-radius); +} +.muigui select { + appearance: none; + margin: 0; + margin-left: 0; /*?*/ + overflow: hidden; /* Safari */ +} + +.muigui select:focus, +.muigui input:focus, +.muigui button:focus { + outline: 1px solid var(--focus-color); +} + +.muigui select:hover, +.muigui option:hover, +.muigui input:hover, +.muigui button:hover { + background-color: var(--hover-bg-color); +} + +/* ------ [ label ] ------ */ + +.muigui-label { + border-top: 1px solid var(--menu-sep-color); + border-bottom: 1px solid var(--menu-sep-color); + padding-top: 0.4em; + padding-bottom: 0.3em; + place-content: center start; + background-color: var(--menu-bg-color); + white-space: pre; + border-radius: var(--border-radius); +} + +/* ------ [ divider] ------ */ + +.muigui-divider { + min-height: 6px; + border-top: 2px solid var(--menu-sep-color); + margin-top: 6px; +} + +/* ------ [ button ] ------ */ + +.muigui-button { + display: grid; + +} +.muigui-button button { + border: none; + color: var(--value-color); + background-color: var(--button-bg-color); + cursor: pointer; + place-content: center center; +} + +/* ------ [ color ] ------ */ + +.muigui-color>div { + overflow: hidden; + position: relative; + margin-left: 0; + margin-right: 0; /* why? */ + max-width: var(--line-height); + border-radius: var(--border-radius); +} + +.muigui-color>div:focus-within { + outline: 1px solid var(--focus-color); +} + +.muigui-color input[type=color] { + border: none; + padding: 0; + background: inherit; + cursor: pointer; + position: absolute; + width: 200%; + left: -10px; + top: -10px; + height: 200%; +} +.muigui-disabled canvas, +.muigui-disabled svg, +.muigui-disabled img, +.muigui-disabled .muigui-color input[type=color] { + opacity: 0.2; +} + +/* ------ [ checkbox ] ------ */ + +.muigui-checkbox>label:nth-child(2) { + display: grid; + place-content: center start; + margin: 0; +} + +.muigui-checkbox input[type=checkbox] { + -webkit-appearance: none; + appearance: none; + width: auto; + color: var(--value-color); + background-color: var(--value-bg-color); + cursor: pointer; + + display: grid; + place-content: center; + margin: 0; + font: inherit; + color: currentColor; + width: 1.7em; + height: 1.7em; + transform: translateY(-0.075em); +} + +.muigui-checkbox input[type=checkbox]::before { + content: ""; + color: var(--value-color); + display: grid; + place-content: center; +} + +.muigui-checkbox input[type=checkbox]:checked::before { + content: "✔"; +} + +.muigui input[type=number]::-webkit-inner-spin-button, +.muigui input[type=number]::-webkit-outer-spin-button { + -webkit-appearance: none; + appearance: none; + margin: 0; +} +.muigui input[type=number] { + -moz-appearance: textfield; +} + +/* ------ [ radio grid ] ------ */ + +.muigui-radio-grid>div { + display: grid; + gap: 2px; +} + +.muigui-radio-grid input { + appearance: none; + display: none; +} + +.muigui-radio-grid button { + color: var(--color); + width: 100%; + text-align: left; +} + +.muigui-radio-grid input:checked + button { + color: var(--value-color); + background-color: var(--selected-color); +} + +/* ------ [ color-chooser ] ------ */ + +.muigui-color-chooser-cursor { + stroke-width: 1px; + stroke: white; + fill: none; +} +.muigui-color-chooser-circle { + stroke-width: 1px; + stroke: white; + fill: none; +} + + +/* ------ [ vec2 ] ------ */ + +.muigui-vec2 svg { + background-color: var(--value-bg-color); +} + +.muigui-vec2-axis { + stroke: 1px; + stroke: var(--focus-color); +} + +.muigui-vec2-line { + stroke-width: 1px; + stroke: var(--value-color); + fill: var(--value-color); +} + +/* ------ [ direction ] ------ */ + +.muigui-direction svg { + background-color: rgba(0,0,0,0.2); +} + +.muigui-direction:focus-within svg { + outline: none; +} +.muigui-direction-range { + fill: var(--value-bg-color); +} +.muigui-direction svg:focus { + outline: none; +} +.muigui-direction svg:focus .muigui-direction-range { + stroke-width: 0.5px; + stroke: var(--focus-color); +} + +.muigui-direction-arrow { + fill: var(--value-color); +} + +/* ------ [ slider ] ------ */ + +.muigui-slider>div { + display: flex; + align-items: stretch; + height: var(--line-height); +} +.muigui-slider svg { + flex: 1 1 auto; +} +.muigui-slider .muigui-slider-up #muigui-orientation { + transform: scale(1, -1) translateY(-100%); +} + +.muigui-slider .muigui-slider-up #muigui-number-orientation { + transform: scale(1,-1); +} + +.muigui-ticks { + stroke: var(--range-color); +} +.muigui-thicks { + stroke: var(--color); + stroke-width: 2px; +} +.muigui-svg-text { + fill: var(--color); + font-size: 7px; +} +.muigui-mark { + fill: var(--value-color); +} + +/* ------ [ range ] ------ */ + + +.muigui-range input[type=range] { + -webkit-appearance: none; + appearance: none; + background-color: transparent; +} + +.muigui-range input[type=range]::-webkit-slider-thumb { + -webkit-appearance: none; + appearance: none; + border-radius: calc(var(--border-radius) + 2px); + border-left: 1px solid rgba(255,255,255,0.3); + border-top: 1px solid rgba(255,255,255,0.3); + border-bottom: 1px solid rgba(0,0,0,0.2); + border-right: 1px solid rgba(0,0,0,0.2); + background-color: var(--range-color); + margin-top: calc((var(--line-height) - 2px) / -2); + width: calc(var(--line-height) - 2px); + height: calc(var(--line-height) - 2px); +} + +.muigui-range input[type=range]::-webkit-slider-runnable-track { + -webkit-appearance: none; + appearance: none; + border: 1px solid var(--menu-sep-color); + height: 2px; +} + + +/* dat.gui style - doesn't work on Safari iOS */ + +/* +.muigui-range input[type=range] { + cursor: ew-resize; + overflow: hidden; +} + +.muigui-range input[type=range] { + -webkit-appearance: none; + appearance: none; + background-color: var(--range-right-color); + margin: 0; +} +.muigui-range input[type=range]:hover { + background-color: var(--range-right-hover-color); +} + +.muigui-range input[type=range]::-webkit-slider-runnable-track { + -webkit-appearance: none; + appearance: none; + height: max-content; + color: var(--range-left-color); + margin-top: -1px; +} + +.muigui-range input[type=range]::-webkit-slider-thumb { + -webkit-appearance: none; + appearance: none; + width: 0px; + height: max-content; + box-shadow: -1000px 0 0 1000px var(--range-left-color); +} +*/ + +/* FF */ +/* +.muigui-range input[type=range]::-moz-slider-progress { + background-color: var(--range-left-color); +} +.muigui-range input[type=range]::-moz-slider-thumb { + height: max-content; + width: 0; + border: none; + box-shadow: -1000px 0 0 1000px var(--range-left-color); + box-sizing: border-box; +} +*/ + +.muigui-checkered-background { + background-color: #404040; + background-image: + linear-gradient(45deg, #808080 25%, transparent 25%), + linear-gradient(-45deg, #808080 25%, transparent 25%), + linear-gradient(45deg, transparent 75%, #808080 75%), + linear-gradient(-45deg, transparent 75%, #808080 75%); + background-size: 16px 16px; + background-position: 0 0, 0 8px, 8px -8px, -8px 0px; +} + +/* ---------------------------------------------------------- */ + +/* needs to be at bottom to take precedence */ +.muigui-auto-place { + max-height: 100%; + position: fixed; + top: 0; + right: 15px; + z-index: 100001; +} + +`, +themes: { + default: '', + float: ` + :root { + color-scheme: light dark, + } + + .muigui { + --width: 400px; + --bg-color: initial; + --label-width: 25%; + --number-width: 20%; + } + + input, + .muigui-label-controller>label { + text-shadow: + -1px -1px 0 var(--contrast-color), + 1px -1px 0 var(--contrast-color), + -1px 1px 0 var(--contrast-color), + 1px 1px 0 var(--contrast-color); + } + + .muigui-controller > label:nth-child(1) { + place-content: center end; + margin-right: 1em; + } + + .muigui-value > :nth-child(2) { + margin-left: 1em; + } + + .muigui-root>*:nth-child(1) { + display: none; + } + + .muigui-range input[type=range]::-webkit-slider-thumb { + border-radius: 1em; + } + + .muigui-range input[type=range]::-webkit-slider-runnable-track { + -webkit-appearance: initial; + appearance: none; + border: 1px solid rgba(0, 0, 0, 0.25); + height: 2px; + } + + .muigui-colors { + --value-color: var(--color ); + --value-bg-color: rgba(0, 0, 0, 0.1); + --disabled-color: #cccccc; + --menu-bg-color: rgba(0, 0, 0, 0.1); + --menu-sep-color: #bbbbbb; + --hover-bg-color: rgba(0, 0, 0, 0); + --invalid-color: #FF0000; + --selected-color: rgba(0, 0, 0, 0.3); + --range-color: rgba(0, 0, 0, 0.125); + } +`, +}, +}; + +function setElemProps(elem, attrs, children) { + for (const [key, value] of Object.entries(attrs)) { + if (typeof value === 'function' && key.startsWith('on')) { + const eventName = key.substring(2).toLowerCase(); + elem.addEventListener(eventName, value, {passive: false}); + } else if (typeof value === 'object') { + for (const [k, v] of Object.entries(value)) { + elem[key][k] = v; + } + } else if (elem[key] === undefined) { + elem.setAttribute(key, value); + } else { + elem[key] = value; + } + } + for (const child of children) { + elem.appendChild(child); + } + return elem; +} + +function createElem(tag, attrs = {}, children = []) { + const elem = document.createElement(tag); + setElemProps(elem, attrs, children); + return elem; +} + +function addElem(tag, parent, attrs = {}, children = []) { + const elem = createElem(tag, attrs, children); + parent.appendChild(elem); + return elem; +} + +let nextId = 0; +function getNewId() { + return `muigui-id-${nextId++}`; +} + +function removeArrayElem(array, value) { + const ndx = array.indexOf(value); + if (ndx) { + array.splice(ndx, 1); + } + return array; +} + +/** + * Converts an camelCase or snake_case id to "camel case" or "snake case" + * @param {string} id + */ +const underscoreRE = /_/g; +const upperLowerRE = /([A-Z])([a-z])/g; +function idToLabel(id) { + return id.replace(underscoreRE, ' ') + .replace(upperLowerRE, (m, m1, m2) => `${m1.toLowerCase()} ${m2}`); +} + +function clamp$1(v, min, max) { + return Math.max(min, Math.min(max, v)); +} + +const isTypedArray = typeof SharedArrayBuffer !== 'undefined' + ? function isArrayBufferOrSharedArrayBuffer(a) { + return a && a.buffer && (a.buffer instanceof ArrayBuffer || a.buffer instanceof SharedArrayBuffer); + } + : function isArrayBuffer(a) { + return a && a.buffer && a.buffer instanceof ArrayBuffer; + }; + +const isArrayOrTypedArray = v => Array.isArray(v) || isTypedArray(v); + +// Yea, I know this should be `Math.round(v / step) * step +// but try step = 0.1, newV = 19.95 +// +// I get +// Math.round(19.95 / 0.1) * 0.1 +// 19.900000000000002 +// vs +// Math.round(19.95 / 0.1) / (1 / 0.1) +// 19.9 +// +const stepify = (v, from, step) => Math.round(from(v) / step) / (1 / step); + +const euclideanModulo$1 = (v, n) => ((v % n) + n) % n; +const lerp$1 = (a, b, t) => a + (b - a) * t; +function copyExistingProperties(dst, src) { + for (const key in src) { + if (key in dst) { + dst[key] = src[key]; + } + } + return dst; +} + +const mapRange = (v, inMin, inMax, outMin, outMax) => (v - inMin) * (outMax - outMin) / (inMax - inMin) + outMin; + +const makeRangeConverters = ({from, to}) => { + return { + to: v => mapRange(v, ...from, ...to), + from: v => [true, mapRange(v, ...to, ...from)], + }; +}; + +const makeRangeOptions = ({from, to, step}) => { + return { + min: to[0], + max: to[1], + ...(step && {step}), + converters: makeRangeConverters({from, to}), + }; +}; + +// TODO: remove an use one in conversions. Move makeRangeConverters there? +const identity$1 = { + to: v => v, + from: v => [true, v], +}; +function makeMinMaxPair(gui, properties, minPropName, maxPropName, options) { + const { converters: { from } = identity$1 } = options; + const { min, max } = options; + const guiMinRange = options.minRange || 0; + const valueMinRange = from(guiMinRange)[1]; + const minGui = gui + .add(properties, minPropName, { + ...options, + min, + max: max - guiMinRange, + }) + .onChange(v => { + maxGui.setValue(Math.min(max, Math.max(v + valueMinRange, properties[maxPropName]))); + }); + const maxGui = gui + .add(properties, maxPropName, { + ...options, + min: min + guiMinRange, + max, + }) + .onChange(v => { + minGui.setValue(Math.max(min, Math.min(v - valueMinRange, properties[minPropName]))); + }); + return [ minGui, maxGui ]; +} + +class View { + domElement; + #childDestElem; + #views = []; + constructor(elem) { + this.domElement = elem; + this.#childDestElem = elem; + } + addElem(elem) { + this.#childDestElem.appendChild(elem); + return elem; + } + removeElem(elem) { + this.#childDestElem.removeChild(elem); + return elem; + } + pushSubElem(elem) { + this.#childDestElem.appendChild(elem); + this.#childDestElem = elem; + } + popSubElem() { + this.#childDestElem = this.#childDestElem.parentElement; + } + add(view) { + this.#views.push(view); + this.addElem(view.domElement); + return view; + } + remove(view) { + this.removeElem(view.domElement); + removeArrayElem(this.#views, view); + return view; + } + pushSubView(view) { + this.pushSubElem(view.domElement); + } + popSubView() { + this.popSubElem(); + } + setOptions(options) { + for (const view of this.#views) { + view.setOptions(options); + } + } + updateDisplayIfNeeded(newV, ignoreCache) { + for (const view of this.#views) { + view.updateDisplayIfNeeded(newV, ignoreCache); + } + return this; + } + $(selector) { + return this.domElement.querySelector(selector); + } +} + +class Controller extends View { + #changeFns; + #finishChangeFns; + #parent; + + constructor(className) { + super(createElem('div', {className: 'muigui-controller'})); + this.#changeFns = []; + this.#finishChangeFns = []; + // we need the specialization to come last so it takes precedence. + if (className) { + this.domElement.classList.add(className); + } + } + get parent() { + return this.#parent; + } + setParent(parent) { + this.#parent = parent; + this.enable(!this.disabled()); + } + show(show = true) { + this.domElement.classList.toggle('muigui-hide', !show); + this.domElement.classList.toggle('muigui-show', show); + return this; + } + hide() { + return this.show(false); + } + disabled() { + return !!this.domElement.closest('.muigui-disabled'); + } + + enable(enable = true) { + this.domElement.classList.toggle('muigui-disabled', !enable); + + // If disabled we need to set the attribute 'disabled=true' to all + // input/select/button/textarea's below + // + // If enabled we need to set the attribute 'disabled=false' to all below + // until we hit a disabled controller. + // + // ATM the problem is we can find the input/select/button/textarea elements + // but we can't easily find which controller they belong do. + // But we don't need to? We can just check up if it or parent has + // '.muigui-disabled' + ['input', 'button', 'select', 'textarea'].forEach(tag => { + this.domElement.querySelectorAll(tag).forEach(elem => { + const disabled = !!elem.closest('.muigui-disabled'); + elem.disabled = disabled; + }); + }); + + return this; + } + disable(disable = true) { + return this.enable(!disable); + } + onChange(fn) { + this.removeChange(fn); + this.#changeFns.push(fn); + return this; + } + removeChange(fn) { + removeArrayElem(this.#changeFns, fn); + return this; + } + onFinishChange(fn) { + this.removeFinishChange(fn); + this.#finishChangeFns.push(fn); + return this; + } + removeFinishChange(fn) { + removeArrayElem(this.#finishChangeFns, fn); + return this; + } + #callListeners(fns, newV) { + for (const fn of fns) { + fn.call(this, newV); + } + } + emitChange(value, object, property) { + this.#callListeners(this.#changeFns, value); + if (this.#parent) { + if (object === undefined) { + this.#parent.emitChange(value); + } else { + this.#parent.emitChange({ + object, + property, + value, + controller: this, + }); + } + } + } + emitFinalChange(value, object, property) { + this.#callListeners(this.#finishChangeFns, value); + if (this.#parent) { + if (object === undefined) { + this.#parent.emitChange(value); + } else { + this.#parent.emitFinalChange({ + object, + property, + value, + controller: this, + }); + } + } + } + updateDisplay() { + // placeholder. override + } + getColors() { + const toCamelCase = s => s.replace(/-([a-z])/g, (m, m1) => m1.toUpperCase()); + const keys = [ + 'color', + 'bg-color', + 'value-color', + 'value-bg-color', + 'hover-bg-color', + 'menu-bg-color', + 'menu-sep-color', + 'disabled-color', + ]; + const div = createElem('div'); + this.domElement.appendChild(div); + const colors = Object.fromEntries(keys.map(key => { + div.style.color = `var(--${key})`; + const s = getComputedStyle(div); + return [toCamelCase(key), s.color]; + })); + div.remove(); + return colors; + } +} + +class Button extends Controller { + #object; + #property; + #buttonElem; + #options = { + name: '', + }; + + constructor(object, property, options = {}) { + super('muigui-button', ''); + this.#object = object; + this.#property = property; + + this.#buttonElem = this.addElem( + createElem('button', { + type: 'button', + onClick: () => { + this.#object[this.#property](this); + }, + })); + this.setOptions({name: property, ...options}); + } + setOptions(options) { + copyExistingProperties(this.#options, options); + const {name} = this.#options; + this.#buttonElem.textContent = name; + } +} + +function arraysEqual(a, b) { + if (a.length !== b.length) { + return false; + } + for (let i = 0; i < a.length; ++i) { + if (a[i] !== b[i]) { + return false; + } + } + return true; +} + +function copyArrayElementsFromTo(src, dst) { + dst.length = src.length; + for (let i = 0; i < src.length; ++i) { + dst[i] = src[i]; + } +} + +class EditView extends View { + #oldV; + #updateCheck; + + #checkArrayNeedsUpdate(newV) { + // It's an array, we need to compare all elements + // Example, vec2, [r,g,b], ... + const needUpdate = !arraysEqual(newV, this.#oldV); + if (needUpdate) { + copyArrayElementsFromTo(newV, this.#oldV); + } + return needUpdate; + } + + #checkTypedArrayNeedsUpdate() { + let once = true; + return function checkTypedArrayNeedsUpdateImpl(newV) { + // It's a typedarray, we need to compare all elements + // Example: Float32Array([r, g, b]) + let needUpdate = once; + once = false; + if (!needUpdate) { + needUpdate = !arraysEqual(newV, this.#oldV); + } + return needUpdate; + }; + } + + #checkObjectNeedsUpdate(newV) { + let needUpdate = false; + for (const key in newV) { + if (newV[key] !== this.#oldV[key]) { + needUpdate = true; + this.#oldV[key] = newV[key]; + } + } + return needUpdate; + } + + #checkValueNeedsUpdate(newV) { + const needUpdate = newV !== this.#oldV; + this.#oldV = newV; + return needUpdate; + } + + #getUpdateCheckForType(newV) { + if (Array.isArray(newV)) { + this.#oldV = []; + return this.#checkArrayNeedsUpdate.bind(this); + } else if (isTypedArray(newV)) { + this.#oldV = new newV.constructor(newV); + return this.#checkTypedArrayNeedsUpdate(this); + } else if (typeof newV === 'object') { + this.#oldV = {}; + return this.#checkObjectNeedsUpdate.bind(this); + } else { + return this.#checkValueNeedsUpdate.bind(this); + } + } + + // The point of this is updating DOM elements + // is slow but if we've called `listen` then + // every frame we're going to try to update + // things with the current value so if nothing + // has changed then skip it. + updateDisplayIfNeeded(newV, ignoreCache) { + this.#updateCheck = this.#updateCheck || this.#getUpdateCheckForType(newV); + // Note: We call #updateCheck first because it updates + // the cache + if (this.#updateCheck(newV) || ignoreCache) { + this.updateDisplay(newV); + } + } + setOptions(/*options*/) { + // override this + return this; + } +} + +class CheckboxView extends EditView { + #checkboxElem; + constructor(setter, id) { + const checkboxElem = createElem('input', { + type: 'checkbox', + id, + onInput: () => { + setter.setValue(checkboxElem.checked); + }, + onChange: () => { + setter.setFinalValue(checkboxElem.checked); + }, + }); + super(createElem('label', {}, [checkboxElem])); + this.#checkboxElem = checkboxElem; + } + updateDisplay(v) { + this.#checkboxElem.checked = v; + } +} + +const tasks = []; +const tasksToRemove = new Set(); + +let requestId; +let processing; + +function removeTasks() { + if (!tasksToRemove.size) { + return; + } + + if (processing) { + queueProcessing(); + return; + } + + tasksToRemove.forEach(task => { + removeArrayElem(tasks, task); + }); + tasksToRemove.clear(); +} + +function processTasks() { + requestId = undefined; + processing = true; + for (const task of tasks) { + if (!tasksToRemove.has(task)) { + task(); + } + } + processing = false; + removeTasks(); + queueProcessing(); +} + +function queueProcessing() { + if (!requestId && tasks.length) { + requestId = requestAnimationFrame(processTasks); + } +} + +function addTask(fn) { + tasks.push(fn); + queueProcessing(); +} + +function removeTask(fn) { + tasksToRemove.set(fn); + + const ndx = tasks.indexOf(fn); + if (ndx >= 0) { + tasks.splice(ndx, 1); + } +} + +let id = 0; + +function makeId() { + return `muigui-${++id}`; +} + +class ValueView extends View { + constructor(className = '') { + super(createElem('div', {className: 'muigui-value'})); + if (className) { + this.domElement.classList.add(className); + } + } +} + +class LabelController extends Controller { + #id; + #nameElem; + + constructor(className = '', name = '') { + super('muigui-label-controller'); + this.#id = makeId(); + this.#nameElem = createElem('label', {for: this.#id}); + this.domElement.appendChild(this.#nameElem); + this.pushSubView(new ValueView(className)); + this.name(name); + } + get id() { + return this.#id; + } + name(name) { + if (this.#nameElem.title === this.#nameElem.textContent) { + this.#nameElem.title = name; + } + this.#nameElem.textContent = name; + return this; + } + tooltip(tip) { + this.#nameElem.title = tip; + } +} + +class ValueController extends LabelController { + #object; + #property; + #initialValue; + #listening; + #views; + #updateFn; + + constructor(object, property, className = '') { + super(className, property); + this.#object = object; + this.#property = property; + this.#initialValue = this.getValue(); + this.#listening = false; + this.#views = []; + } + get initialValue() { + return this.#initialValue; + } + get object() { + return this.#object; + } + get property() { + return this.#property; + } + add(view) { + this.#views.push(view); + super.add(view); + this.updateDisplay(); + return view; + } + #setValueImpl(v, ignoreCache) { + let isDifferent = false; + if (typeof v === 'object') { + const dst = this.#object[this.#property]; + // don't replace objects, just their values. + if (Array.isArray(v) || isTypedArray(v)) { + for (let i = 0; i < v.length; ++i) { + isDifferent ||= dst[i] !== v[i]; + dst[i] = v[i]; + } + } else { + for (const key of Object.keys(v)) { + isDifferent ||= dst[key] !== v[key]; + } + Object.assign(dst, v); + } + } else { + isDifferent = this.#object[this.#property] !== v; + this.#object[this.#property] = v; + } + this.updateDisplay(ignoreCache); + if (isDifferent) { + this.emitChange(this.getValue(), this.#object, this.#property); + } + return isDifferent; + } + setValue(v) { + this.#setValueImpl(v); + } + setFinalValue(v) { + const isDifferent = this.#setValueImpl(v, true); + if (isDifferent) { + this.emitFinalChange(this.getValue(), this.#object, this.#property); + } + return this; + } + updateDisplay(ignoreCache) { + const newV = this.getValue(); + for (const view of this.#views) { + view.updateDisplayIfNeeded(newV, ignoreCache); + } + return this; + } + setOptions(options) { + for (const view of this.#views) { + view.setOptions(options); + } + this.updateDisplay(); + return this; + } + getValue() { + return this.#object[this.#property]; + } + value(v) { + this.setValue(v); + return this; + } + reset() { + this.setValue(this.#initialValue); + return this; + } + listen(listen = true) { + if (!this.#updateFn) { + this.#updateFn = this.updateDisplay.bind(this); + } + if (listen) { + if (!this.#listening) { + this.#listening = true; + addTask(this.#updateFn); + } + } else { + if (this.#listening) { + this.#listening = false; + removeTask(this.#updateFn); + } + } + return this; + } +} + +class Checkbox extends ValueController { + constructor(object, property) { + super(object, property, 'muigui-checkbox'); + const id = this.id; + this.add(new CheckboxView(this, id)); + this.updateDisplay(); + } +} + +const identity = { + to: v => v, + from: v => [true, v], +}; + +// from: from string to value +// to: from value to string +const strToNumber = { + to: v => v.toString(), + from: v => { + const newV = parseFloat(v); + return [!Number.isNaN(newV), newV]; + }, +}; + +const converters = { + radToDeg: makeRangeConverters({to: [0, 180], from: [0, Math.PI]}), +}; + +function createWheelHelper() { + let wheelAccum = 0; + return function (e, step, wheelScale = 5) { + wheelAccum -= e.deltaY * step / wheelScale; + const wheelSteps = Math.floor(Math.abs(wheelAccum) / step) * Math.sign(wheelAccum); + const delta = wheelSteps * step; + wheelAccum -= delta; + return delta; + }; +} + +class NumberView extends EditView { + #to; + #from; + #step; + #skipUpdate; + #options = { + step: 0.01, + converters: strToNumber, + min: Number.NEGATIVE_INFINITY, + max: Number.POSITIVE_INFINITY, + }; + + constructor(setter, options) { + const setValue = setter.setValue.bind(setter); + const setFinalValue = setter.setFinalValue.bind(setter); + const wheelHelper = createWheelHelper(); + super(createElem('input', { + type: 'number', + onInput: () => this.#handleInput(setValue, true), + onChange: () => this.#handleInput(setFinalValue, false), + onWheel: e => { + e.preventDefault(); + const {min, max, step} = this.#options; + const delta = wheelHelper(e, step); + const v = parseFloat(this.domElement.value); + const newV = clamp$1(stepify(v + delta, v => v, step), min, max); + setter.setValue(newV); + }, + })); + this.setOptions(options); + } + #handleInput(setFn, skipUpdate) { + const v = parseFloat(this.domElement.value); + const [valid, newV] = this.#from(v); + let inRange; + if (valid && !Number.isNaN(v)) { + const {min, max} = this.#options; + inRange = newV >= min && newV <= max; + this.#skipUpdate = skipUpdate; + setFn(clamp$1(newV, min, max)); + } + this.domElement.classList.toggle('muigui-invalid-value', !valid || !inRange); + } + updateDisplay(v) { + if (!this.#skipUpdate) { + this.domElement.value = stepify(v, this.#to, this.#step); + } + this.#skipUpdate = false; + } + setOptions(options) { + copyExistingProperties(this.#options, options); + const { + step, + converters: {to, from}, + } = this.#options; + this.#to = to; + this.#from = from; + this.#step = step; + return this; + } +} + +// Wanted to name this `Number` but it conflicts with +// JavaScript `Number`. It most likely wouldn't be +// an issue? But users might `import {Number} ...` and +// things would break. +class TextNumber extends ValueController { + #textView; + #step; + + constructor(object, property, options = {}) { + super(object, property, 'muigui-checkbox'); + this.#textView = this.add(new NumberView(this, options)); + this.updateDisplay(); + } +} + +class SelectView extends EditView { + #values; + + constructor(setter, keyValues) { + const values = []; + super(createElem('select', { + onChange: () => { + setter.setFinalValue(this.#values[this.domElement.selectedIndex]); + }, + }, keyValues.map(([key, value]) => { + values.push(value); + return createElem('option', {textContent: key}); + }))); + this.#values = values; + } + updateDisplay(v) { + const ndx = this.#values.indexOf(v); + this.domElement.selectedIndex = ndx; + } +} + +// 4 cases +// (a) keyValues is array of arrays, each sub array is key value +// (b) keyValues is array and value is number then keys = array contents, value = index +// (c) keyValues is array and value is not number, key = array contents, value = array contents +// (d) keyValues is object then key->value +function convertToKeyValues(keyValues, valueIsNumber) { + if (Array.isArray(keyValues)) { + if (Array.isArray(keyValues[0])) { + // (a) keyValues is array of arrays, each sub array is key value + return keyValues; + } else { + if (valueIsNumber) { + // (b) keyValues is array and value is number then keys = array contents, value = index + return keyValues.map((v, ndx) => [v, ndx]); + } else { + // (c) keyValues is array and value is not number, key = array contents, value = array contents + return keyValues.map(v => [v, v]); + } + } + } else { + // (d) + return [...Object.entries(keyValues)]; + } +} + +class Select extends ValueController { + constructor(object, property, options) { + super(object, property, 'muigui-select'); + const valueIsNumber = typeof this.getValue() === 'number'; + const {keyValues: keyValuesInput} = options; + const keyValues = convertToKeyValues(keyValuesInput, valueIsNumber); + this.add(new SelectView(this, keyValues)); + this.updateDisplay(); + } +} + +class RangeView extends EditView { + #to; + #from; + #step; + #skipUpdate; + #options = { + step: 0.01, + min: 0, + max: 1, + converters: identity, + }; + + constructor(setter, options) { + const wheelHelper = createWheelHelper(); + super(createElem('input', { + type: 'range', + onInput: () => { + this.#skipUpdate = true; + const {min, max, step} = this.#options; + const v = parseFloat(this.domElement.value); + const newV = clamp$1(stepify(v, v => v, step), min, max); + const [valid, validV] = this.#from(newV); + if (valid) { + setter.setValue(validV); + } + }, + onChange: () => { + this.#skipUpdate = true; + const {min, max, step} = this.#options; + const v = parseFloat(this.domElement.value); + const newV = clamp$1(stepify(v, v => v, step), min, max); + const [valid, validV] = this.#from(newV); + if (valid) { + setter.setFinalValue(validV); + } + }, + onWheel: e => { + e.preventDefault(); + const [valid, v] = this.#from(parseFloat(this.domElement.value)); + if (!valid) { + return; + } + const {min, max, step} = this.#options; + const delta = wheelHelper(e, step); + const newV = clamp$1(stepify(v + delta, v => v, step), min, max); + setter.setValue(newV); + }, + })); + this.setOptions(options); + } + updateDisplay(v) { + if (!this.#skipUpdate) { + this.domElement.value = stepify(v, this.#to, this.#step); + } + this.#skipUpdate = false; + } + setOptions(options) { + copyExistingProperties(this.#options, options); + const { + step, + min, + max, + converters: {to, from}, + } = this.#options; + this.#to = to; + this.#from = from; + this.#step = step; + this.domElement.step = step; + this.domElement.min = min; + this.domElement.max = max; + return this; + } +} + +class Range extends ValueController { + constructor(object, property, options) { + super(object, property, 'muigui-range'); + this.add(new RangeView(this, options)); + this.add(new NumberView(this, options)); + } +} + +class TextView extends EditView { + #to; + #from; + #skipUpdate; + #options = { + converters: identity, + }; + + constructor(setter, options) { + const setValue = setter.setValue.bind(setter); + const setFinalValue = setter.setFinalValue.bind(setter); + super(createElem('input', { + type: 'text', + onInput: () => this.#handleInput(setValue, true), + onChange: () => this.#handleInput(setFinalValue, false), + })); + this.setOptions(options); + } + #handleInput(setFn, skipUpdate) { + const [valid, newV] = this.#from(this.domElement.value); + if (valid) { + this.#skipUpdate = skipUpdate; + setFn(newV); + } + this.domElement.style.color = valid ? '' : 'var(--invalid-color)'; + + } + updateDisplay(v) { + if (!this.#skipUpdate) { + this.domElement.value = this.#to(v); + this.domElement.style.color = ''; + } + this.#skipUpdate = false; + } + setOptions(options) { + copyExistingProperties(this.#options, options); + const { + converters: {to, from}, + } = this.#options; + this.#to = to; + this.#from = from; + return this; + } +} + +class Text extends ValueController { + constructor(object, property) { + super(object, property, 'muigui-checkbox'); + this.add(new TextView(this)); + this.updateDisplay(); + } +} + +// const isConversion = o => typeof o.to === 'function' && typeof o.from === 'function'; + +/** + * possible inputs + * add(o, p, min: number, max: number) + * add(o, p, min: number, max: number, step: number) + * add(o, p, array: [value]) + * add(o, p, array: [[key, value]]) + * + * @param {*} object + * @param {string} property + * @param {...any} args + * @returns {Controller} + */ +function createController(object, property, ...args) { + const [arg1] = args; + if (Array.isArray(arg1)) { + return new Select(object, property, {keyValues: arg1}); + } + + const t = typeof object[property]; + switch (t) { + case 'number': + if (typeof args[0] === 'number' && typeof args[1] === 'number') { + const min = args[0]; + const max = args[1]; + const step = args[2]; + return new Range(object, property, {min, max, ...(step && {step})}); + } + return args.length === 0 + ? new TextNumber(object, property, ...args) + : new Range(object, property, ...args); + case 'boolean': + return new Checkbox(object, property, ...args); + case 'function': + return new Button(object, property, ...args); + case 'string': + return new Text(object, property, ...args); + case 'undefined': + throw new Error(`no property named ${property}`); + default: + throw new Error(`unhandled type ${t} for property ${property}`); + } +} + +const clamp = (v, min, max) => Math.max(min, Math.min(max, v)); +const lerp = (a, b, t) => a + (b - a) * t; +const fract = v => v >= 0 ? v % 1 : 1 - (v % 1); + +const f0 = v => +v.toFixed(0); // converts to string (eg 1.2 => "1"), then converts back to number (eg, "1.200" => 1.2) +const f3 = v => +v.toFixed(3); // converts to string (eg 1.2 => "1.200"), then converts back to number (eg, "1.200" => 1.2) + +const hexToUint32RGB = v => (parseInt(v.substring(1, 3), 16) << 16) | + (parseInt(v.substring(3, 5), 16) << 8 ) | + (parseInt(v.substring(5, 7), 16) ); +const uint32RGBToHex = v => `#${(Math.round(v)).toString(16).padStart(6, '0')}`; +const hexToUint32RGBA = v => (parseInt(v.substring(1, 3), 16) * 2 ** 24) + + (parseInt(v.substring(3, 5), 16) * 2 ** 16) + + (parseInt(v.substring(5, 7), 16) * 2 ** 8) + + (parseInt(v.substring(7, 9), 16) ); +const uint32RGBAToHex = v => `#${(Math.round(v)).toString(16).padStart(8, '0')}`; + +const hexToUint8RGB = v => [ + parseInt(v.substring(1, 3), 16), + parseInt(v.substring(3, 5), 16), + parseInt(v.substring(5, 7), 16), +]; +const uint8RGBToHex = v => `#${Array.from(v).map(v => v.toString(16).padStart(2, '0')).join('')}`; + +const hexToUint8RGBA = v => [ + parseInt(v.substring(1, 3), 16), + parseInt(v.substring(3, 5), 16), + parseInt(v.substring(5, 7), 16), + parseInt(v.substring(7, 9), 16), +]; +const uint8RGBAToHex = v => `#${Array.from(v).map(v => v.toString(16).padStart(2, '0')).join('')}`; + +const hexToFloatRGB = v => hexToUint8RGB(v).map(v => f3(v / 255)); +const floatRGBToHex = v => uint8RGBToHex(Array.from(v).map(v => Math.round(clamp(v * 255, 0, 255)))); + +const hexToFloatRGBA = v => hexToUint8RGBA(v).map(v => f3(v / 255)); +const floatRGBAToHex = v => uint8RGBAToHex(Array.from(v).map(v => Math.round(clamp(v * 255, 0, 255)))); + +const scaleAndClamp = v => clamp(Math.round(v * 255), 0, 255).toString(16).padStart(2, '0'); + +const hexToObjectRGB = v => ({ + r: parseInt(v.substring(1, 3), 16) / 255, + g: parseInt(v.substring(3, 5), 16) / 255, + b: parseInt(v.substring(5, 7), 16) / 255, +}); +const objectRGBToHex = v => `#${scaleAndClamp(v.r)}${scaleAndClamp(v.g)}${scaleAndClamp(v.b)}`; +const hexToObjectRGBA = v => ({ + r: parseInt(v.substring(1, 3), 16) / 255, + g: parseInt(v.substring(3, 5), 16) / 255, + b: parseInt(v.substring(5, 7), 16) / 255, + a: parseInt(v.substring(7, 9), 16) / 255, +}); +const objectRGBAToHex = v => `#${scaleAndClamp(v.r)}${scaleAndClamp(v.g)}${scaleAndClamp(v.b)}${scaleAndClamp(v.a)}`; + +const hexToCssRGB = v => `rgb(${hexToUint8RGB(v).join(', ')})`; +const cssRGBRegex = /^\s*rgb\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)\s*$/; +const cssRGBToHex = v => { + const m = cssRGBRegex.exec(v); + return uint8RGBToHex([m[1], m[2], m[3]].map(v => parseInt(v))); +}; +const hexToCssRGBA = v => `rgba(${hexToUint8RGBA(v).map((v, i) => i === 3 ? v / 255 : v).join(', ')})`; +const cssRGBARegex = /^\s*rgba\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+\.\d+|\d+)\s*\)\s*$/; +const cssRGBAToHex = v => { + const m = cssRGBARegex.exec(v); + return uint8RGBAToHex([m[1], m[2], m[3], m[4]].map((v, i) => i === 3 ? (parseFloat(v) * 255 | 0) : parseInt(v))); +}; + +const hexToCssHSL = v => { + const hsl = rgbUint8ToHsl(hexToUint8RGB(v)).map(v => f0(v)); + return `hsl(${hsl[0]}, ${hsl[1]}%, ${hsl[2]}%)`; +}; +const hexToCssHSLA = v => { + const hsla = rgbaUint8ToHsla(hexToUint8RGBA(v)).map((v, i) => i === 3 ? f3(v) : f0(v)); + return `hsl(${hsla[0]} ${hsla[1]}% ${hsla[2]}% / ${hsla[3]})`; +}; +const cssHSLRegex = /^\s*hsl\(\s*(\d+)(?:deg|)\s*(?:,|)\s*(\d+)%\s*(?:,|)\s*(\d+)%\s*\)\s*$/; +const cssHSLARegex = /^\s*hsl\(\s*(\d+)(?:deg|)\s*(?:,|)\s*(\d+)%\s*(?:,|)\s*(\d+)%\s*\/\s*(\d+\.\d+|\d+)\s*\)\s*$/; + +const hex3DigitTo6Digit = v => `${v[0]}${v[0]}${v[1]}${v[1]}${v[2]}${v[2]}`; +const cssHSLToHex = v => { + const m = cssHSLRegex.exec(v); + const rgb = hslToRgbUint8([m[1], m[2], m[3]].map(v => parseFloat(v))); + return uint8RGBToHex(rgb); +}; +const cssHSLAToHex = v => { + const m = cssHSLARegex.exec(v); + const rgba = hslaToRgbaUint8([m[1], m[2], m[3], m[4]].map(v => parseFloat(v))); + return uint8RGBAToHex(rgba); +}; + +const euclideanModulo = (v, n) => ((v % n) + n) % n; + +function hslToRgbUint8([h, s, l]) { + h = euclideanModulo(h, 360); + s = clamp(s / 100, 0, 1); + l = clamp(l / 100, 0, 1); + + const a = s * Math.min(l, 1 - l); + + function f(n) { + const k = (n + h / 30) % 12; + return l - a * Math.max(-1, Math.min(k - 3, 9 - k, 1)); + } + + return [f(0), f(8), f(4)].map(v => Math.round(v * 255)); +} + +function hslaToRgbaUint8([h, s, l, a]) { + const rgb = hslToRgbUint8([h, s, l]); + return [...rgb, a * 255 | 0]; +} + +function rgbFloatToHsl01([r, g, b]) { + const max = Math.max(r, g, b); + const min = Math.min(r, g, b); + const l = (min + max) * 0.5; + const d = max - min; + let h = 0; + let s = 0; + + if (d !== 0) { + s = (l === 0 || l === 1) + ? 0 + : (max - l) / Math.min(l, 1 - l); + + switch (max) { + case r: h = (g - b) / d + (g < b ? 6 : 0); break; + case g: h = (b - r) / d + 2; break; + case b: h = (r - g) / d + 4; + } + } + + return [h / 6, s, l]; +} + +function rgbaFloatToHsla01([r, g, b, a]) { + const hsl = rgbFloatToHsl01([r, g, b]); + return [...hsl, a]; +} + +const rgbUint8ToHsl = (rgb) => { + const [h, s, l] = rgbFloatToHsl01(rgb.map(v => v / 255)); + return [h * 360, s * 100, l * 100]; +}; + +const rgbaUint8ToHsla = (rgba) => { + const [h, s, l, a] = rgbaFloatToHsla01(rgba.map(v => v / 255)); + return [h * 360, s * 100, l * 100, a]; +}; + +function hsv01ToRGBFloat([hue, sat, val]) { + sat = clamp(sat, 0, 1); + val = clamp(val, 0, 1); + return [hue, hue + 2 / 3, hue + 1 / 3].map( + v => lerp(1, clamp(Math.abs(fract(v) * 6 - 3.0) - 1, 0, 1), sat) * val + ); +} + +function hsva01ToRGBAFloat([hue, sat, val, alpha]) { + const rgb = hsv01ToRGBFloat([hue, sat, val]); + return [...rgb, alpha]; +} + +const round3 = v => Math.round(v * 1000) / 1000; + +function rgbFloatToHSV01([r, g, b]) { + const p = b > g + ? [b, g, -1, 2 / 3] + : [g, b, 0, -1 / 3]; + const q = p[0] > r + ? [p[0], p[1], p[3], r] + : [r, p[1], p[2], p[0]]; + const d = q[0] - Math.min(q[3], q[1]); + return [ + Math.abs(q[2] + (q[3] - q[1]) / (6 * d + Number.EPSILON)), + d / (q[0] + Number.EPSILON), + q[0], + ].map(round3); +} + +function rgbaFloatToHSVA01([r, g, b, a]) { + const hsv = rgbFloatToHSV01([r, g, b]); + return [...hsv, a]; +} + +// window.hsv01ToRGBFloat = hsv01ToRGBFloat; +// window.rgbFloatToHSV01 = rgbFloatToHSV01; + +// Yea, meh! +const hasAlpha = format => format.endsWith('a') || format.startsWith('hex8'); + +const cssStringFormats = [ + { re: /^#(?:[0-9a-f]){6}$/i, format: 'hex6' }, + { re: /^(?:[0-9a-f]){6}$/i, format: 'hex6-no-hash' }, + { re: /^#(?:[0-9a-f]){8}$/i, format: 'hex8' }, + { re: /^(?:[0-9a-f]){8}$/i, format: 'hex8-no-hash' }, + { re: /^#(?:[0-9a-f]){3}$/i, format: 'hex3' }, + { re: /^(?:[0-9a-f]){3}$/i, format: 'hex3-no-hash' }, + { re: cssRGBRegex, format: 'css-rgb' }, + { re: cssHSLRegex, format: 'css-hsl' }, + { re: cssRGBARegex, format: 'css-rgba' }, + { re: cssHSLARegex, format: 'css-hsla' }, +]; + +function guessStringColorFormat(v) { + for (const formatInfo of cssStringFormats) { + if (formatInfo.re.test(v)) { + return formatInfo; + } + } + return undefined; +} + +function guessFormat(v) { + switch (typeof v) { + case 'number': + console.warn('can not reliably guess format based on a number. You should pass in a format like {format: "uint32-rgb"} or {format: "uint32-rgb"}'); + return v <= 0xFFFFFF ? 'uint32-rgb' : 'uint32-rgba'; + case 'string': { + const formatInfo = guessStringColorFormat(v.trim()); + if (formatInfo) { + return formatInfo.format; + } + break; + } + case 'object': + if (v instanceof Uint8Array || v instanceof Uint8ClampedArray) { + if (v.length === 3) { + return 'uint8-rgb'; + } else if (v.length === 4) { + return 'uint8-rgba'; + } + } else if (v instanceof Float32Array) { + if (v.length === 3) { + return 'float-rgb'; + } else if (v.length === 4) { + return 'float-rgba'; + } + } else if (Array.isArray(v)) { + if (v.length === 3) { + return 'float-rgb'; + } else if (v.length === 4) { + return 'float-rgba'; + } + } else { + if ('r' in v && 'g' in v && 'b' in v) { + if ('a' in v) { + return 'object-rgba'; + } else { + return 'object-rgb'; + } + } + } + } + throw new Error(`unknown color format: ${v}`); +} + +function fixHex6(v) { + return v.trim(v); + //const formatInfo = guessStringColorFormat(v.trim()); + //const fix = formatInfo ? formatInfo.fix : v => v; + //return fix(v.trim()); +} + +function fixHex8(v) { + return v.trim(v); + //const formatInfo = guessStringColorFormat(v.trim()); + //const fix = formatInfo ? formatInfo.fix : v => v; + //return fix(v.trim()); +} + +function hex6ToHex3(hex6) { + return (hex6[1] === hex6[2] && + hex6[3] === hex6[4] && + hex6[5] === hex6[6]) + ? `#${hex6[1]}${hex6[3]}${hex6[5]}` + : hex6; +} + +const hex3RE = /^(#|)([0-9a-f]{3})$/i; +function hex3ToHex6(hex3) { + const m = hex3RE.exec(hex3); + if (m) { + const [, , m2] = m; + return `#${hex3DigitTo6Digit(m2)}`; + } + return hex3; +} + +function fixHex3(v) { + return hex6ToHex3(fixHex6(v)); +} + +const strToRGBObject = (s) => { + try { + const json = s.replace(/([a-z])/g, '"$1"'); + const rgb = JSON.parse(json); + if (Number.isNaN(rgb.r) || Number.isNaN(rgb.g) || Number.isNaN(rgb.b)) { + throw new Error('not {r, g, b}'); + } + return [true, rgb]; + } catch (e) { + return [false]; + } +}; + +const strToRGBAObject = (s) => { + try { + const json = s.replace(/([a-z])/g, '"$1"'); + const rgba = JSON.parse(json); + if (Number.isNaN(rgba.r) || Number.isNaN(rgba.g) || Number.isNaN(rgba.b) || Number.isNaN(rgba.a)) { + throw new Error('not {r, g, b, a}'); + } + return [true, rgba]; + } catch (e) { + return [false]; + } +}; + +const strToCssRGB = s => { + const m = cssRGBRegex.exec(s); + if (!m) { + return [false]; + } + const v = [m[1], m[2], m[3]].map(v => parseInt(v)); + const outOfRange = v.find(v => v > 255); + return [!outOfRange, `rgb(${v.join(', ')})`]; +}; + +const strToCssRGBA = s => { + const m = cssRGBARegex.exec(s); + if (!m) { + return [false]; + } + const v = [m[1], m[2], m[3], m[4]].map((v, i) => i === 3 ? parseFloat(v) : parseInt(v)); + const outOfRange = v.find(v => v > 255); + return [!outOfRange, `rgba(${v.join(', ')})`]; +}; + +const strToCssHSL = s => { + const m = cssHSLRegex.exec(s); + if (!m) { + return [false]; + } + const v = [m[1], m[2], m[3]].map(v => parseFloat(v)); + const outOfRange = v.find(v => Number.isNaN(v)); + return [!outOfRange, `hsl(${v[0]}, ${v[1]}%, ${v[2]}%)`]; +}; + +const strToCssHSLA = s => { + const m = cssHSLARegex.exec(s); + if (!m) { + return [false]; + } + const v = [m[1], m[2], m[3], m[4]].map(v => parseFloat(v)); + const outOfRange = v.find(v => Number.isNaN(v)); + return [!outOfRange, `hsl(${v[0]} ${v[1]}% ${v[2]}% / ${v[3]})`]; +}; + +const rgbObjectToStr = rgb => { + return `{r:${f3(rgb.r)}, g:${f3(rgb.g)}, b:${f3(rgb.b)}}`; +}; +const rgbaObjectToStr = rgba => { + return `{r:${f3(rgba.r)}, g:${f3(rgba.g)}, b:${f3(rgba.b)}}, a:${f3(rgba.a)}}`; +}; + +const strTo3IntsRE = /^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*$/; +const strTo3Ints = s => { + const m = strTo3IntsRE.exec(s); + if (!m) { + return [false]; + } + const v = [m[1], m[2], m[3]].map(v => parseInt(v)); + const outOfRange = v.find(v => v > 255); + return [!outOfRange, v]; +}; + +const strTo4IntsRE = /^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*$/; +const strTo4Ints = s => { + const m = strTo4IntsRE.exec(s); + if (!m) { + return [false]; + } + const v = [m[1], m[2], m[3], m[4]].map(v => parseInt(v)); + const outOfRange = v.find(v => v > 255); + return [!outOfRange, v]; +}; + +const strTo3Floats = s => { + const numbers = s.split(',').map(s => s.trim()); + const v = numbers.map(v => parseFloat(v)); + if (v.length !== 3) { + return [false]; + } + // Note: using isNaN not Number.isNaN + const badNdx = numbers.findIndex(v => isNaN(v)); + return [badNdx < 0, v.map(v => f3(v))]; +}; + +const strTo4Floats = s => { + const numbers = s.split(',').map(s => s.trim()); + const v = numbers.map(v => parseFloat(v)); + if (v.length !== 4) { + return [false]; + } + // Note: using isNaN not Number.isNaN + const badNdx = numbers.findIndex(v => isNaN(v)); + return [badNdx < 0, v.map(v => f3(v))]; +}; + +const strToUint32RGBRegex = /^\s*(?:0x){0,1}([0-9a-z]{1,6})\s*$/i; +const strToUint32RGB = s => { + const m = strToUint32RGBRegex.exec(s); + if (!m) { + return [false]; + } + return [true, parseInt(m[1], 16)]; +}; + +const strToUint32RGBARegex = /^\s*(?:0x){0,1}([0-9a-z]{1,8})\s*$/i; +const strToUint32RGBA = s => { + const m = strToUint32RGBARegex.exec(s); + if (!m) { + return [false]; + } + return [true, parseInt(m[1], 16)]; +}; + +const hex6RE = /^\s*#[a-f0-9]{6}\s*$|^\s*#[a-f0-9]{3}\s*$/i; +const hexNoHash6RE = /^\s*[a-f0-9]{6}\s*$/i; +const hex8RE = /^\s*#[a-f0-9]{8}\s*$/i; +const hexNoHash8RE = /^\s*[a-f0-9]{8}\s*$/i; + +// For each format converter +// +// fromHex/toHex convert from/to '#RRGGBB' +// +// fromHex converts from the string '#RRBBGG' to the format +// (eg: for uint32-rgb, '#123456' becomes 0x123456) +// +// toHex converts from the format to '#RRGGBB' +// (eg: for uint8-rgb, [16, 33, 50] becomes '#102132') +// +// +// fromStr/toStr convert from/to what's in the input[type=text] element +// +// toStr converts from the format to its string representation +// (eg, for object-rgb, {r: 1, g: 0.5, b:0} becomes "{r: 1, g: 0.5, b:0}") +// ^object ^string +// +// fromStr converts its string representation to its format +// (eg, for object-rgb) "{r: 1, g: 0.5, b:0}" becomes {r: 1, g: 0.5, b:0}) +// ^string ^object +// fromString returns an array which is [valid, v] +// where valid is true if the string was a valid and v is the converted +// format if v is true. +// +// Note: toStr should convert to "ideal" form (whatever that is). +// (eg, for css-rgb +// "{ r: 0.10000, g: 001, b: 0}" becomes "{r: 0.1, g: 1, b: 0}" +// notice that css-rgb is a string to a string +// ) +const colorFormatConverters = { + 'hex6': { + color: { + from: v => [true, v], + to: fixHex6, + }, + text: { + from: v => [hex6RE.test(v), v.trim()], + to: v => v, + }, + }, + 'hex8': { + color: { + from: v => [true, v], + to: fixHex8, + }, + text: { + from: v => [hex8RE.test(v), v.trim()], + to: v => v, + }, + }, + 'hex3': { + color: { + from: v => [true, fixHex3(v)], + to: hex3ToHex6, + }, + text: { + from: v => [hex6RE.test(v), hex6ToHex3(v.trim())], + to: v => v, + }, + }, + 'hex6-no-hash': { + color: { + from: v => [true, v.substring(1)], + to: v => `#${fixHex6(v)}`, + }, + text: { + from: v => [hexNoHash6RE.test(v), v.trim()], + to: v => v, + }, + }, + 'hex8-no-hash': { + color: { + from: v => [true, v.substring(1)], + to: v => `#${fixHex8(v)}`, + }, + text: { + from: v => [hexNoHash8RE.test(v), v.trim()], + to: v => v, + }, + }, + 'hex3-no-hash': { + color: { + from: v => [true, fixHex3(v).substring(1)], + to: hex3ToHex6, + }, + text: { + from: v => [hexNoHash6RE.test(v), hex6ToHex3(v.trim())], + to: v => v, + }, + }, + 'uint32-rgb': { + color: { + from: v => [true, hexToUint32RGB(v)], + to: uint32RGBToHex, + }, + text: { + from: v => strToUint32RGB(v), + to: v => `0x${v.toString(16).padStart(6, '0')}`, + }, + }, + 'uint32-rgba': { + color: { + from: v => [true, hexToUint32RGBA(v)], + to: uint32RGBAToHex, + }, + text: { + from: v => strToUint32RGBA(v), + to: v => `0x${v.toString(16).padStart(8, '0')}`, + }, + }, + 'uint8-rgb': { + color: { + from: v => [true, hexToUint8RGB(v)], + to: uint8RGBToHex, + }, + text: { + from: strTo3Ints, + to: v => v.join(', '), + }, + }, + 'uint8-rgba': { + color: { + from: v => [true, hexToUint8RGBA(v)], + to: uint8RGBAToHex, + }, + text: { + from: strTo4Ints, + to: v => v.join(', '), + }, + }, + 'float-rgb': { + color: { + from: v => [true, hexToFloatRGB(v)], + to: floatRGBToHex, + }, + text: { + from: strTo3Floats, + // need Array.from because map of Float32Array makes a Float32Array + to: v => Array.from(v).map(v => f3(v)).join(', '), + }, + }, + 'float-rgba': { + color: { + from: v => [true, hexToFloatRGBA(v)], + to: floatRGBAToHex, + }, + text: { + from: strTo4Floats, + // need Array.from because map of Float32Array makes a Float32Array + to: v => Array.from(v).map(v => f3(v)).join(', '), + }, + }, + 'object-rgb': { + color: { + from: v => [true, hexToObjectRGB(v)], + to: objectRGBToHex, + }, + text: { + from: strToRGBObject, + to: rgbObjectToStr, + }, + }, + 'object-rgba': { + color: { + from: v => [true, hexToObjectRGBA(v)], + to: objectRGBAToHex, + }, + text: { + from: strToRGBAObject, + to: rgbaObjectToStr, + }, + }, + 'css-rgb': { + color: { + from: v => [true, hexToCssRGB(v)], + to: cssRGBToHex, + }, + text: { + from: strToCssRGB, + to: v => strToCssRGB(v)[1], + }, + }, + 'css-rgba': { + color: { + from: v => [true, hexToCssRGBA(v)], + to: cssRGBAToHex, + }, + text: { + from: strToCssRGBA, + to: v => strToCssRGBA(v)[1], + }, + }, + 'css-hsl': { + color: { + from: v => [true, hexToCssHSL(v)], + to: cssHSLToHex, + }, + text: { + from: strToCssHSL, + to: v => strToCssHSL(v)[1], + }, + }, + 'css-hsla': { + color: { + from: v => [true, hexToCssHSLA(v)], + to: cssHSLAToHex, + }, + text: { + from: strToCssHSLA, + to: v => strToCssHSLA(v)[1], + }, + }, +}; + +class ElementView extends View { + constructor(tag, className) { + super(createElem(tag, {className})); + } +} + +// TODO: remove this? Should just be user side +class Canvas extends LabelController { + #canvasElem; + + constructor() { + super('muigui-canvas'); + this.#canvasElem = this.add( + new ElementView('canvas', 'muigui-canvas'), + ).domElement; + } + get canvas() { + return this.#canvasElem; + } +} + +class ColorView extends EditView { + #to; + #from; + #colorElem; + #skipUpdate; + #options = { + converters: identity, + }; + + constructor(setter, options) { + const colorElem = createElem('input', { + type: 'color', + onInput: () => { + const [valid, newV] = this.#from(colorElem.value); + if (valid) { + this.#skipUpdate = true; + setter.setValue(newV); + } + }, + onChange: () => { + const [valid, newV] = this.#from(colorElem.value); + if (valid) { + this.#skipUpdate = true; + setter.setFinalValue(newV); + } + }, + }); + super(createElem('div', {}, [colorElem])); + this.setOptions(options); + this.#colorElem = colorElem; + } + updateDisplay(v) { + if (!this.#skipUpdate) { + this.#colorElem.value = this.#to(v); + } + this.#skipUpdate = false; + } + setOptions(options) { + copyExistingProperties(this.#options, options); + const {converters: {to, from}} = this.#options; + this.#to = to; + this.#from = from; + return this; + } +} + +class Color extends ValueController { + #colorView; + #textView; + + constructor(object, property, options = {}) { + super(object, property, 'muigui-color'); + const format = options.format || guessFormat(this.getValue()); + const {color, text} = colorFormatConverters[format]; + this.#colorView = this.add(new ColorView(this, {converters: color})); + this.#textView = this.add(new TextView(this, {converters: text})); + this.updateDisplay(); + } + setOptions(options) { + const {format} = options; + if (format) { + const {color, text} = colorFormatConverters[format]; + this.#colorView.setOptions({converters: color}); + this.#textView.setOptions({converters: text}); + } + super.setOptions(options); + return this; + } +} + +// This feels like it should be something else like +// gui.addController({className: 'muigui-divider')}; +class Divider extends Controller { + constructor() { + super('muigui-divider'); + } +} + +class Container extends Controller { + #controllers; + #childDestController; + + constructor(className) { + super(className); + this.#controllers = []; + this.#childDestController = this; + } + get children() { + return this.#controllers; // should we return a copy? + } + get controllers() { + return this.#controllers.filter(c => !(c instanceof Container)); + } + get folders() { + return this.#controllers.filter(c => c instanceof Container); + } + reset(recursive = true) { + for (const controller of this.#controllers) { + if (!(controller instanceof Container) || recursive) { + controller.reset(recursive); + } + } + return this; + } + updateDisplay() { + for (const controller of this.#controllers) { + controller.updateDisplay(); + } + return this; + } + remove(controller) { + const ndx = this.#controllers.indexOf(controller); + if (ndx >= 0) { + const c = this.#controllers.splice(ndx, 1); + const c0 = c[0]; + const elem = c0.domElement; + elem.remove(); + c0.setParent(null); + } + return this; + } + #addControllerImpl(controller) { + this.domElement.appendChild(controller.domElement); + this.#controllers.push(controller); + controller.setParent(this); + return controller; + } + addController(controller) { + return this.#childDestController.#addControllerImpl(controller); + } + pushContainer(container) { + this.addController(container); + this.#childDestController = container; + return container; + } + popContainer() { + this.#childDestController = this.#childDestController.parent; + return this; + } +} + +class Folder extends Container { + #labelElem; + + constructor(name = 'Controls', className = 'muigui-menu') { + super(className); + this.#labelElem = createElem('label'); + this.addElem(createElem('button', { + type: 'button', + onClick: () => this.toggleOpen(), + }, [this.#labelElem])); + this.pushContainer(new Container()); + this.name(name); + this.open(); + } + open(open = true) { + this.domElement.classList.toggle('muigui-closed', !open); + this.domElement.classList.toggle('muigui-open', open); + return this; + } + close() { + return this.open(false); + } + name(name) { + this.#labelElem.textContent = name; + return this; + } + title(title) { + return this.name(title); + } + toggleOpen() { + this.open(!this.domElement.classList.contains('muigui-open')); + return this; + } +} + +// This feels like it should be something else like +// gui.addDividing = new Controller() +class Label extends Controller { + constructor(text) { + super('muigui-label'); + this.text(text); + } + text(text) { + this.domElement.textContent = text; + return this; + } +} + +function noop$1() { +} + +function computeRelativePosition(elem, event, start) { + const rect = elem.getBoundingClientRect(); + const x = event.clientX - rect.left; + const y = event.clientY - rect.top; + const nx = x / rect.width; + const ny = y / rect.height; + start = start || [x, y]; + const dx = x - start[0]; + const dy = y - start[1]; + const ndx = dx / rect.width; + const ndy = dy / rect.width; + return {x, y, nx, ny, dx, dy, ndx, ndy}; +} + +function addTouchEvents(elem, {onDown = noop$1, onMove = noop$1, onUp = noop$1}) { + let start; + const pointerMove = function (event) { + const e = { + type: 'move', + ...computeRelativePosition(elem, event, start), + }; + onMove(e); + }; + + const pointerUp = function (event) { + elem.releasePointerCapture(event.pointerId); + elem.removeEventListener('pointermove', pointerMove); + elem.removeEventListener('pointerup', pointerUp); + + document.body.style.backgroundColor = ''; + + onUp('up'); + }; + + const pointerDown = function (event) { + elem.addEventListener('pointermove', pointerMove); + elem.addEventListener('pointerup', pointerUp); + elem.setPointerCapture(event.pointerId); + + const rel = computeRelativePosition(elem, event); + start = [rel.x, rel.y]; + onDown({ + type: 'down', + ...rel, + }); + }; + + elem.addEventListener('pointerdown', pointerDown); + + return function () { + elem.removeEventListener('pointerdown', pointerDown); + }; +} + +const svg$3 = ` + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +`; + +function connectFillTargets(elem) { + elem.querySelectorAll('[data-src]').forEach(srcElem => { + const id = getNewId(); + srcElem.id = id; + elem.querySelectorAll(`[data-target=${srcElem.dataset.src}]`).forEach(targetElem => { + targetElem.setAttribute('fill', `url(#${id})`); + }); + }); + return elem; +} + +// Was originally going to make alpha an option. Issue is +// hard coded conversions? +class ColorChooserView extends EditView { + #to; + #from; + #satLevelElem; + #circleElem; + #hueUIElem; + #hueElem; + #hueCursorElem; + #alphaUIElem; + #alphaElem; + #alphaCursorElem; + #hsva; + #skipHueUpdate; + #skipSatLevelUpdate; + #skipAlphaUpdate; + #options = { + converters: identity, + alpha: false, + }; + #convertInternalToHex; + #convertHexToInternal; + + constructor(setter, options) { + super(createElem('div', { + innerHTML: svg$3, + className: 'muigui-no-scroll', + })); + this.#satLevelElem = this.domElement.children[0]; + this.#hueUIElem = this.domElement.children[1]; + this.#alphaUIElem = this.domElement.children[2]; + connectFillTargets(this.#satLevelElem); + connectFillTargets(this.#hueUIElem); + connectFillTargets(this.#alphaUIElem); + this.#circleElem = this.$('.muigui-color-chooser-circle'); + this.#hueElem = this.$('[data-src=muigui-color-chooser-hue]'); + this.#hueCursorElem = this.$('.muigui-color-chooser-hue-cursor'); + this.#alphaElem = this.$('[data-src=muigui-color-chooser-alpha]'); + this.#alphaCursorElem = this.$('.muigui-color-chooser-alpha-cursor'); + + const handleSatLevelChange = (e) => { + const s = clamp$1(e.nx, 0, 1); + const v = clamp$1(e.ny, 0, 1); + this.#hsva[1] = s; + this.#hsva[2] = (1 - v); + this.#skipHueUpdate = true; + this.#skipAlphaUpdate = true; + const [valid, newV] = this.#from(this.#convertInternalToHex(this.#hsva)); + if (valid) { + setter.setValue(newV); + } + }; + + const handleHueChange = (e) => { + const h = clamp$1(e.nx, 0, 1); + this.#hsva[0] = h; + this.#skipSatLevelUpdate = true; + this.#skipAlphaUpdate = true; + const [valid, newV] = this.#from(this.#convertInternalToHex(this.#hsva)); + if (valid) { + setter.setValue(newV); + } + }; + + const handleAlphaChange = (e) => { + const a = clamp$1(e.nx, 0, 1); + this.#hsva[3] = a; + this.#skipHueUpdate = true; + this.#skipSatLevelUpdate = true; + const [valid, newV] = this.#from(this.#convertInternalToHex(this.#hsva)); + if (valid) { + setter.setValue(newV); + } + }; + + addTouchEvents(this.#satLevelElem, { + onDown: handleSatLevelChange, + onMove: handleSatLevelChange, + }); + addTouchEvents(this.#hueUIElem, { + onDown: handleHueChange, + onMove: handleHueChange, + }); + addTouchEvents(this.#alphaUIElem, { + onDown: handleAlphaChange, + onMove: handleAlphaChange, + }); + this.setOptions(options); + } + updateDisplay(newV) { + if (!this.#hsva) { + this.#hsva = this.#convertHexToInternal(this.#to(newV)); + } + { + const [h, s, v, a = 1] = this.#convertHexToInternal(this.#to(newV)); + // Don't copy the hue if it was un-computable. + if (!this.#skipHueUpdate) { + this.#hsva[0] = s > 0.001 && v > 0.001 ? h : this.#hsva[0]; + } + if (!this.#skipSatLevelUpdate) { + this.#hsva[1] = s; + this.#hsva[2] = v; + } + if (!this.#skipAlphaUpdate) { + this.#hsva[3] = a; + } + } + { + const [h, s, v, a] = this.#hsva; + const [hue, sat, lum] = rgbaFloatToHsla01(hsva01ToRGBAFloat(this.#hsva)); + + if (!this.#skipHueUpdate) { + this.#hueCursorElem.setAttribute('transform', `translate(${h * 64}, 0)`); + } + this.#hueElem.children[0].setAttribute('stop-color', `hsl(${hue * 360} 0% 100% / ${a})`); + this.#hueElem.children[1].setAttribute('stop-color', `hsl(${hue * 360} 100% 50% / ${a})`); + if (!this.#skipAlphaUpdate) { + this.#alphaCursorElem.setAttribute('transform', `translate(${a * 64}, 0)`); + } + this.#alphaElem.children[0].setAttribute('stop-color', `hsl(${hue * 360} ${sat * 100}% ${lum * 100}% / 0)`); + this.#alphaElem.children[1].setAttribute('stop-color', `hsl(${hue * 360} ${sat * 100}% ${lum * 100}% / 1)`); + + if (!this.#skipSatLevelUpdate) { + this.#circleElem.setAttribute('cx', `${s * 64}`); + this.#circleElem.setAttribute('cy', `${(1 - v) * 48}`); + } + } + this.#skipHueUpdate = false; + this.#skipSatLevelUpdate = false; + this.#skipAlphaUpdate = false; + } + setOptions(options) { + copyExistingProperties(this.#options, options); + const {converters: {to, from}, alpha} = this.#options; + this.#alphaUIElem.style.display = alpha ? '' : 'none'; + this.#convertInternalToHex = alpha + ? v => floatRGBAToHex(hsva01ToRGBAFloat(v)) + : v => floatRGBToHex(hsv01ToRGBFloat(v)); + this.#convertHexToInternal = alpha + ? v => rgbaFloatToHSVA01(hexToFloatRGBA(v)) + : v => rgbFloatToHSV01(hexToFloatRGB(v)); + this.#to = to; + this.#from = from; + return this; + } +} + +/* + +holder = new TabHolder +tab = holder.add(new Tab("name")) +tab.add(...) + + +pc = new PopdownController +top = pc.add(new Row()) +top.add(new Button()); +values = topRow.add(new Div()) +bottom = pc.add(new Row()); + + + +pc = new PopdownController +pc.addTop +pc.addTop + +pc.addBottom + + +*/ + +class PopDownController extends ValueController { + #top; + #valuesView; + #checkboxElem; + #bottom; + #options = { + open: false, + }; + + constructor(object, property, options = {}) { + super(object, property, 'muigui-pop-down-controller'); + /* + [ValueView + [[B][values]] upper row + [[ visual ]] lower row + ] + */ + this.#top = this.add(new ElementView('div', 'muigui-pop-down-top')); +// this.#top.add(new CheckboxView(makeSetter(this.#options, 'open'))); + const checkboxElem = this.#top.addElem(createElem('input', { + type: 'checkbox', + onChange: () => { + this.#options.open = checkboxElem.checked; + this.updateDisplay(); + }, + })); + this.#checkboxElem = checkboxElem; + this.#valuesView = this.#top.add(new ElementView('div', 'muigui-pop-down-values')); + this.#bottom = this.add(new ElementView('div', 'muigui-pop-down-bottom')); + this.setOptions(options); + } + setKnobColor(bgCssColor/*, fgCssColor*/) { + if (this.#checkboxElem) { + this.#checkboxElem.style = ` + --range-color: ${bgCssColor}; + --value-bg-color: ${bgCssColor}; + `; + } + } + updateDisplay() { + super.updateDisplay(); + const {open} = this.#options; + this.domElement.children[1].classList.toggle('muigui-open', open); + this.domElement.children[1].classList.toggle('muigui-closed', !open); + } + setOptions(options) { + copyExistingProperties(this.#options, options); + super.setOptions(options); + this.updateDisplay(); + } + addTop(view) { + return this.#valuesView.add(view); + } + addBottom(view) { + return this.#bottom.add(view); + } +} + +/* eslint-disable no-underscore-dangle */ + +class ColorChooser extends PopDownController { + #colorView; + #textView; + #to; + #setKnobHelper; + + constructor(object, property, options = {}) { + super(object, property, 'muigui-color-chooser'); + const format = options.format || guessFormat(this.getValue()); + const {color, text} = colorFormatConverters[format]; + this.#to = color.to; + this.#textView = new TextView(this, {converters: text, alpha: hasAlpha(format)}); + this.#colorView = new ColorChooserView(this, {converters: color, alpha: hasAlpha(format)}); + this.addTop(this.#textView); + this.addBottom(this.#colorView); + // WTF! FIX! + this.#setKnobHelper = () => { + if (this.#to) { + const hex6Or8 = this.#to(this.getValue()); + const hsl = rgbUint8ToHsl(hexToUint8RGB(hex6Or8)); + hsl[2] = (hsl[2] + 50) % 100; + const hex = uint8RGBToHex(hslToRgbUint8(hsl)); + this.setKnobColor(`${hex6Or8.substring(0, 7)}FF`, hex); + } + }; + this.updateDisplay(); + } + updateDisplay() { + super.updateDisplay(); + if (this.#setKnobHelper) { + this.#setKnobHelper(); + } + } + setOptions(options) { + super.setOptions(options); + return this; + } +} + +function showCSS(ob) { + if (ob.prototype.css) { + showCSS(ob.prototype); + } +} + +class Layout extends View { + static css = 'bar'; + constructor(tag, className) { + super(createElem(tag, {className})); + + showCSS(this); + } +} + +/* +class ValueController ?? { + const row = this.add(new Row()); + const label = row.add(new Label()); + const div = row.add(new Div()); + const row = div.add(new Row()); +} +*/ + +/* +class MyCustomThing extends ValueController { + constructor(object, property, options) { + const topRow = this.add(new Row()); + const bottomRow = this.add(new Row()); + topRow.add(new NumberView()); + topRow.add(new NumberView()); + topRow.add(new NumberView()); + topRow.add(new NumberView()); + bottomRow.add(new DirectionView()); + bottomRow.add(new DirectionView()); + bottomRow.add(new DirectionView()); + bottomRow.add(new DirectionView()); + } +} + new Grid([ + [new + ] + */ + +class Column extends Layout { + constructor() { + super('div', 'muigui-row'); + } +} + +class Frame extends Layout { + static css = 'foo'; + constructor() { + super('div', 'muigui-frame'); + } + static get foo() { + return 'boo'; + } +} + +class Grid extends Layout { + constructor() { + super('div', 'muigui-grid'); + } +} + +class Row extends Layout { + constructor() { + super('div', 'muigui-row'); + } +} + +class GUIFolder extends Folder { + add(object, property, ...args) { + const controller = object instanceof Controller + ? object + : createController(object, property, ...args); + return this.addController(controller); + } + addCanvas(name) { + return this.addController(new Canvas(name)); + } + addColor(object, property, options = {}) { + const value = object[property]; + if (hasAlpha(options.format || guessFormat(value))) { + return this.addController(new ColorChooser(object, property, options)); + } else { + return this.addController(new Color(object, property, options)); + } + } + addDivider() { + return this.addController(new Divider()); + } + addFolder(name) { + return this.addController(new GUIFolder(name)); + } + addLabel(text) { + return this.addController(new Label(text)); + } +} + +class MuiguiElement extends HTMLElement { + constructor() { + super(); + this.shadow = this.attachShadow({mode: 'open'}); + } +} + +customElements.define('muigui-element', MuiguiElement); + +const baseStyleSheet = new CSSStyleSheet(); +baseStyleSheet.replaceSync(css.default); +const userStyleSheet = new CSSStyleSheet(); + +function makeStyleSheetUpdater(styleSheet) { + let newCss; + let newCssPromise; + + function updateStyle() { + if (newCss && !newCssPromise) { + const s = newCss; + newCss = undefined; + newCssPromise = styleSheet.replace(s).then(() => { + newCssPromise = undefined; + updateStyle(); + }); + } + } + + return function updateStyleSheet(css) { + newCss = css; + updateStyle(); + }; +} + +const updateBaseStyle = makeStyleSheetUpdater(baseStyleSheet); +const updateUserStyle = makeStyleSheetUpdater(userStyleSheet); + +class GUI extends GUIFolder { + static converters = converters; + static mapRange = mapRange; + static makeRangeConverters = makeRangeConverters; + static makeRangeOptions = makeRangeOptions; + static makeMinMaxPair = makeMinMaxPair; + #localStyleSheet = new CSSStyleSheet(); + + constructor(options = {}) { + super('Controls', 'muigui-root'); + if (options instanceof HTMLElement) { + options = {parent: options}; + } + const { + autoPlace = true, + width, + title = 'Controls', + } = options; + let { + parent, + } = options; + + if (width) { + this.domElement.style.width = /^\d+$/.test(width) ? `${width}px` : width; + } + if (parent === undefined && autoPlace) { + parent = document.body; + this.domElement.classList.add('muigui-auto-place'); + } + if (parent) { + const muiguiElement = createElem('muigui-element'); + muiguiElement.shadowRoot.adoptedStyleSheets = [baseStyleSheet, userStyleSheet, this.#localStyleSheet]; + muiguiElement.shadow.appendChild(this.domElement); + parent.appendChild(muiguiElement); + } + if (title) { + this.title(title); + } + this.domElement.classList.add('muigui', 'muigui-colors'); + } + setStyle(css) { + this.#localStyleSheet.replace(css); + } + static setBaseStyles(css) { + updateBaseStyle(css); + } + static getBaseStyleSheet() { + return baseStyleSheet; + } + static setUserStyles(css) { + updateUserStyle(css); + } + static getUserStyleSheet() { + return userStyleSheet; + } + static setTheme(name) { + GUI.setBaseStyles(`${css.default}\n${css.themes[name] || ''}`); + } +} + +function noop() { +} + +const keyDirections = { + ArrowLeft: [-1, 0], + ArrowRight: [1, 0], + ArrowUp: [0, -1], + ArrowDown: [0, 1], +}; + +// This probably needs to be global +function addKeyboardEvents(elem, {onDown = noop, onUp = noop}) { + const keyDown = function (event) { + const mult = event.shiftKey ? 10 : 1; + const [dx, dy] = (keyDirections[event.key] || [0, 0]).map(v => v * mult); + const fn = event.type === 'keydown' ? onDown : onUp; + fn({ + type: event.type.substring(3), + dx, + dy, + event, + }); + }; + + elem.addEventListener('keydown', keyDown); + elem.addEventListener('keyup', keyDown); + + return function () { + elem.removeEventListener('keydown', keyDown); + elem.removeEventListener('keyup', keyDown); + }; +} + +function assert(truthy, msg = '') { + if (!truthy) { + throw new Error(msg); + } +} + +function getEllipsePointForAngle(cx, cy, rx, ry, phi, theta) { + const m = Math.abs(rx) * Math.cos(theta); + const n = Math.abs(ry) * Math.sin(theta); + + return [ + cx + Math.cos(phi) * m - Math.sin(phi) * n, + cy + Math.sin(phi) * m + Math.cos(phi) * n, + ]; +} + +function getEndpointParameters(cx, cy, rx, ry, phi, theta, dTheta) { + const [x1, y1] = getEllipsePointForAngle(cx, cy, rx, ry, phi, theta); + const [x2, y2] = getEllipsePointForAngle(cx, cy, rx, ry, phi, theta + dTheta); + + const fa = Math.abs(dTheta) > Math.PI ? 1 : 0; + const fs = dTheta > 0 ? 1 : 0; + + return { x1, y1, x2, y2, fa, fs }; +} + +function arc(cx, cy, r, start, end) { + assert(Math.abs(start - end) <= Math.PI * 2); + assert(start >= -Math.PI && start <= Math.PI * 2); + assert(start <= end); + assert(end >= -Math.PI && end <= Math.PI * 4); + + const { x1, y1, x2, y2, fa, fs } = getEndpointParameters(cx, cy, r, r, 0, start, end - start); + return Math.abs(Math.abs(start - end) - Math.PI * 2) > Number.EPSILON + ? `M${cx} ${cy} L${x1} ${y1} A ${r} ${r} 0 ${fa} ${fs} ${x2} ${y2} L${cx} ${cy}` + : `M${x1} ${y1} L${x1} ${y1} A ${r} ${r} 0 ${fa} ${fs} ${x2} ${y2}`; +} + +const svg$2 = ` + + + + + + + + + +`; + +const twoPiMod = v => euclideanModulo$1(v + Math.PI, Math.PI * 2) - Math.PI; + +class DirectionView extends EditView { + #arrowElem; + #rangeElem; + #lastV; + #wrap; + #options = { + step: 1, + min: -180, + max: 180, + + /* + -------- + / -π/2 \ + / | \ + |<- -π * | + | * 0 ->| zero is down the positive X axis + |<- +π * | + \ | / + \ π/2 / + -------- + */ + dirMin: -Math.PI, + dirMax: Math.PI, + //dirMin: Math.PI * 0.5, + //dirMax: Math.PI * 2.5, + //dirMin: -Math.PI * 0.75, // test 10:30 to 7:30 + //dirMax: Math.PI * 0.75, + //dirMin: Math.PI * 0.75, // test 7:30 to 10:30 + //dirMax: -Math.PI * 0.75, + //dirMin: -Math.PI * 0.75, // test 10:30 to 1:30 + //dirMax: -Math.PI * 0.25, + //dirMin: Math.PI * 0.25, // test 4:30 to 7:30 + //dirMax: Math.PI * 0.75, + //dirMin: Math.PI * 0.75, // test 4:30 to 7:30 + //dirMax: Math.PI * 0.25, + wrap: undefined, + converters: identity, + }; + + constructor(setter, options = {}) { + const wheelHelper = createWheelHelper(); + super(createElem('div', { + className: 'muigui-direction muigui-no-scroll', + innerHTML: svg$2, + onWheel: e => { + e.preventDefault(); + const {min, max, step} = this.#options; + const delta = wheelHelper(e, step); + let tempV = this.#lastV + delta; + if (this.#wrap) { + tempV = euclideanModulo$1(tempV - min, max - min) + min; + } + const newV = clamp$1(stepify(tempV, v => v, step), min, max); + setter.setValue(newV); + }, + })); + const handleTouch = (e) => { + const {min, max, step, dirMin, dirMax} = this.#options; + const nx = e.nx * 2 - 1; + const ny = e.ny * 2 - 1; + const a = Math.atan2(ny, nx); + + const center = (dirMin + dirMax) / 2; + + const centeredAngle = twoPiMod(a - center); + const centeredStart = twoPiMod(dirMin - center); + const diff = dirMax - dirMin; + + const n = clamp$1((centeredAngle - centeredStart) / (diff), 0, 1); + const newV = stepify(min + (max - min) * n, v => v, step); + setter.setValue(newV); + }; + addTouchEvents(this.domElement, { + onDown: handleTouch, + onMove: handleTouch, + }); + addKeyboardEvents(this.domElement, { + onDown: (e) => { + const {min, max, step} = this.#options; + const newV = clamp$1(stepify(this.#lastV + e.dx * step, v => v, step), min, max); + setter.setValue(newV); + }, + }); + this.#arrowElem = this.$('#muigui-arrow'); + this.#rangeElem = this.$('#muigui-range'); + this.setOptions(options); + } + updateDisplay(v) { + this.#lastV = v; + const {min, max} = this.#options; + const n = (v - min) / (max - min); + const angle = lerp$1(this.#options.dirMin, this.#options.dirMax, n); + this.#arrowElem.style.transform = `rotate(${angle}rad)`; + } + setOptions(options) { + copyExistingProperties(this.#options, options); + const {dirMin, dirMax, wrap} = this.#options; + this.#wrap = wrap !== undefined + ? wrap + : Math.abs(dirMin - dirMax) >= Math.PI * 2 - Number.EPSILON; + const [min, max] = dirMin < dirMax ? [dirMin, dirMax] : [dirMax , dirMin]; + this.#rangeElem.setAttribute('d', arc(0, 0, 28.87, min, max)); + } +} + +// deg2rad +// where is 0 +// range (0, 360), (-180, +180), (0,0) Really this is a range + +class Direction extends PopDownController { + #options; + constructor(object, property, options) { + super(object, property, 'muigui-direction'); +this.#options = options; // FIX + this.addTop(new NumberView(this, +identity)); + this.addBottom(new DirectionView(this, options)); + this.updateDisplay(); + } +} + +class RadioGridView extends EditView { + #values; + + constructor(setter, keyValues, cols = 3) { + const values = []; + const name = makeId(); + super(createElem('div', {}, keyValues.map(([key, value], ndx) => { + values.push(value); + return createElem('label', {}, [ + createElem('input', { + type: 'radio', + name, + value: ndx, + onChange: function () { + if (this.checked) { + setter.setFinalValue(that.#values[this.value]); + } + }, + }), + createElem('button', { + type: 'button', + textContent: key, + onClick: function () { + this.previousElementSibling.click(); + }, + }), + ]); + }))); + // eslint-disable-next-line @typescript-eslint/no-this-alias + const that = this; + this.#values = values; + this.cols(cols); + } + updateDisplay(v) { + const ndx = this.#values.indexOf(v); + for (let i = 0; i < this.domElement.children.length; ++i) { + this.domElement.children[i].children[0].checked = i === ndx; + } + } + cols(cols) { + this.domElement.style.gridTemplateColumns = `repeat(${cols}, 1fr)`; + } +} + +class RadioGrid extends ValueController { + constructor(object, property, options) { + super(object, property, 'muigui-radio-grid'); + const valueIsNumber = typeof this.getValue() === 'number'; + const { + keyValues: keyValuesInput, + cols = 3, + } = options; + const keyValues = convertToKeyValues(keyValuesInput, valueIsNumber); + this.add(new RadioGridView(this, keyValues, cols)); + this.updateDisplay(); + } +} + +function onResize(elem, callback) { + new ResizeObserver(() => { + callback({rect: elem.getBoundingClientRect(), elem}); + }).observe(elem); +} + +function onResizeSVGNoScale(elem, hAnchor, vAnchor, callback) { + onResize(elem, ({rect}) => { + const {width, height} = rect; + elem.setAttribute('viewBox', `-${width * hAnchor} -${height * vAnchor} ${width} ${height}`); + callback({elem, rect}); + }); +} + +function onResizeCanvas(elem, callback) { + onResize(elem, ({rect}) => { + const {width, height} = rect; + elem.width = width; + elem.height = height; + callback({elem, rect}); + }); +} + +const svg$1 = ` + + + + + + + + + + + + + + + + + + + + + + + + + + + + +`; + +function createSVGTicks(start, end, step, min, max, height) { + const p = []; + if (start < min) { + start += stepify(min - start, v => v, step); + } + end = Math.min(end, max); + for (let i = start; i <= end; i += step) { + p.push(`M${i} 0 l0 ${height}`); + } + return p.join(' '); +} + +function createSVGNumbers(start, end, unitSize, unit, minusSize, min, max, labelFn) { + const texts = []; + if (start < min) { + start += stepify(min - start, v => v, unitSize); + } + end = Math.min(end, max); + const digits = Math.max(0, -Math.log10(unit)); + const f = v => labelFn(v.toFixed(digits)); + for (let i = start; i <= end; i += unitSize) { + texts.push(`${f(i / unitSize * unit)}`); + } + return texts.join('\n'); +} + +function computeSizeOfMinus(elem) { + const oldHTML = elem.innerHTML; + elem.innerHTML = '- '; + const text = elem.querySelector('text'); + const size = text.getComputedTextLength(); + elem.innerHTML = oldHTML; + return size; +} + +class SliderView extends EditView { + #svgElem; + #originElem; + #ticksElem; + #thicksElem; + #numbersElem; + #leftGradElem; + #rightGradElem; + #width; + #height; + #lastV; + #minusSize; + #options = { + min: -100, + max: 100, + step: 1, + unit: 10, + unitSize: 10, + ticksPerUnit: 5, + labelFn: v => v, + tickHeight: 1, + limits: true, + thicksColor: undefined, + orientation: undefined, + }; + + constructor(setter, options) { + const wheelHelper = createWheelHelper(); + super(createElem('div', { + innerHTML: svg$1, + className: 'muigui-no-v-scroll', + onWheel: e => { + e.preventDefault(); + const {min, max, step} = this.#options; + const delta = wheelHelper(e, step); + const newV = clamp$1(stepify(this.#lastV + delta, v => v, step), min, max); + setter.setValue(newV); + }, + })); + this.#svgElem = this.$('svg'); + this.#originElem = this.$('#muigui-origin'); + this.#ticksElem = this.$('#muigui-ticks'); + this.#thicksElem = this.$('#muigui-thicks'); + this.#numbersElem = this.$('#muigui-numbers'); + this.#leftGradElem = this.$('#muigui-left-grad'); + this.#rightGradElem = this.$('#muigui-right-grad'); + this.setOptions(options); + let startV; + addTouchEvents(this.domElement, { + onDown: () => { + startV = this.#lastV; + }, + onMove: (e) => { + const {min, max, unitSize, unit, step} = this.#options; + const newV = clamp$1(stepify(startV - e.dx / unitSize * unit, v => v, step), min, max); + setter.setValue(newV); + }, + }); + addKeyboardEvents(this.domElement, { + onDown: (e) => { + const {min, max, step} = this.#options; + const newV = clamp$1(stepify(this.#lastV + e.dx * step, v => v, step), min, max); + setter.setValue(newV); + }, + }); + onResizeSVGNoScale(this.#svgElem, 0.5, 0, ({rect: {width}}) => { + this.#leftGradElem.setAttribute('x', -width / 2); + this.#rightGradElem.setAttribute('x', width / 2 - 20); + this.#minusSize = computeSizeOfMinus(this.#numbersElem); + this.#width = width; + this.#updateSlider(); + }); + } + // |--------V--------| + // . . | . . . | . . . | + // + #updateSlider() { + // There's no size if ResizeObserver has not fired yet. + if (!this.#width || this.#lastV === undefined) { + return; + } + const { + labelFn, + limits, + min, + max, + orientation, + tickHeight, + ticksPerUnit, + unit, + unitSize, + thicksColor, + } = this.#options; + const unitsAcross = Math.ceil(this.#width / unitSize); + const center = this.#lastV; + const centerUnitSpace = center / unit; + const startUnitSpace = Math.round(centerUnitSpace - unitsAcross); + const endUnitSpace = startUnitSpace + unitsAcross * 2; + const start = startUnitSpace * unitSize; + const end = endUnitSpace * unitSize; + const minUnitSpace = limits ? min * unitSize / unit : start; + const maxUnitSpace = limits ? max * unitSize / unit : end; + const height = labelFn(1) === '' ? 10 : 5; + if (ticksPerUnit > 1) { + this.#ticksElem.setAttribute('d', createSVGTicks(start, end, unitSize / ticksPerUnit, minUnitSpace, maxUnitSpace, height * tickHeight)); + } + this.#thicksElem.style.stroke = thicksColor; //setAttribute('stroke', thicksColor); + this.#thicksElem.setAttribute('d', createSVGTicks(start, end, unitSize, minUnitSpace, maxUnitSpace, height)); + this.#numbersElem.innerHTML = createSVGNumbers(start, end, unitSize, unit, this.#minusSize, minUnitSpace, maxUnitSpace, labelFn); + this.#originElem.setAttribute('transform', `translate(${-this.#lastV * unitSize / unit} 0)`); + this.#svgElem.classList.toggle('muigui-slider-up', orientation === 'up'); + } + updateDisplay(v) { + this.#lastV = v; + this.#updateSlider(); + } + setOptions(options) { + copyExistingProperties(this.#options, options); + return this; + } +} + +class Slider extends ValueController { + constructor(object, property, options = {}) { + super(object, property, 'muigui-slider'); + this.add(new SliderView(this, options)); + this.add(new NumberView(this, options)); + this.updateDisplay(); + } +} + +const svg = ` + + + + + + + +`; + +class Vec2View extends EditView { + #svgElem; + #arrowElem; + #circleElem; + #lastV = []; + + constructor(setter) { + super(createElem('div', { + innerHTML: svg, + className: 'muigui-no-scroll', + })); + const onTouch = (e) => { + const {width, height} = this.#svgElem.getBoundingClientRect(); + const nx = e.nx * 2 - 1; + const ny = e.ny * 2 - 1; + setter.setValue([nx * width * 0.5, ny * height * 0.5]); + }; + addTouchEvents(this.domElement, { + onDown: onTouch, + onMove: onTouch, + }); + this.#svgElem = this.$('svg'); + this.#arrowElem = this.$('#muigui-arrow'); + this.#circleElem = this.$('#muigui-circle'); + onResizeSVGNoScale(this.#svgElem, 0.5, 0.5, () => this.#updateDisplayImpl); + } + #updateDisplayImpl() { + const [x, y] = this.#lastV; + this.#arrowElem.setAttribute('d', `M0,0L${x},${y}`); + this.#circleElem.setAttribute('transform', `translate(${x}, ${y})`); + } + updateDisplay(v) { + this.#lastV[0] = v[0]; + this.#lastV[1] = v[1]; + this.#updateDisplayImpl(); + } +} + +// TODO: zoom with wheel and pinch? +// TODO: grid? +// // options +// scale: +// range: number (both x and y + /) +// range: array (min, max) +// xRange: +// deg/rad/turn + +class Vec2 extends PopDownController { + constructor(object, property) { + super(object, property, 'muigui-vec2'); + + const makeSetter = (ndx) => { + return { + setValue: (v) => { + const newV = this.getValue(); + newV[ndx] = v; + this.setValue(newV); + }, + setFinalValue: (v) => { + const newV = this.getValue(); + newV[ndx] = v; + this.setFinalValue(newV); + }, + }; + }; + + this.addTop(new NumberView(makeSetter(0), { + converters: { + to: v => v[0], + from: strToNumber.from, + }, + })); + this.addTop(new NumberView(makeSetter(1), { + converters: { + to: v => v[1], + from: strToNumber.from, + }, + })); + this.addBottom(new Vec2View(this)); + this.updateDisplay(); + } +} + +export { ColorChooser, Direction, RadioGrid, Range, Select, Slider, TextNumber, Vec2, GUI as default }; +//# sourceMappingURL=muigui.module.js.map diff --git a/dist/0.x/muigui.module.js.map b/dist/0.x/muigui.module.js.map new file mode 100644 index 0000000..339fac6 --- /dev/null +++ b/dist/0.x/muigui.module.js.map @@ -0,0 +1 @@ +{"version":3,"file":"muigui.module.js","sources":["../../src/styles/muigui.css.js","../../src/libs/elem.js","../../src/libs/utils.js","../../../src/views/View.ts","../../src/controllers/Controller.js","../../src/controllers/Button.js","../../src/views/EditView.js","../../src/views/CheckboxView.js","../../src/libs/taskrunner.js","../../src/libs/ids.js","../../src/views/ValueView.js","../../src/controllers/LabelController.js","../../src/controllers/ValueController.js","../../src/controllers/Checkbox.js","../../src/libs/conversions.js","../../src/libs/wheel.js","../../src/views/NumberView.js","../../src/controllers/TextNumber.js","../../src/views/SelectView.js","../../src/libs/key-values.js","../../src/controllers/Select.js","../../src/views/RangeView.js","../../src/controllers/Range.js","../../src/views/TextView.js","../../src/controllers/Text.js","../../src/controllers/create-controller.js","../../src/libs/color-utils.js","../../src/views/ElementView.js","../../src/controllers/Canvas.js","../../src/views/ColorView.js","../../src/controllers/Color.js","../../src/controllers/Divider.js","../../src/controllers/Container.js","../../src/controllers/Folder.js","../../src/controllers/Label.js","../../src/libs/touch.js","../../src/views/ColorChooserView.js","../../src/controllers/PopDownController.js","../../src/controllers/ColorChooser.js","../../src/layout/Layout.js","../../src/layout/Column.js","../../src/layout/Frame.js","../../src/layout/Grid.js","../../src/layout/Row.js","../../src/muigui.js","../../src/libs/keyboard.js","../../src/libs/assert.js","../../src/libs/svg.js","../../src/views/DirectionView.js","../../src/controllers/Direction.js","../../src/views/RadioGridView.js","../../src/controllers/RadioGrid.js","../../src/libs/resize-helpers.js","../../src/views/SliderView.js","../../src/controllers/Slider.js","../../src/views/Vec2View.js","../../src/controllers/Vec2.js"],"sourcesContent":["export default {\n default: `\n.muigui {\n --bg-color: #ddd;\n --color: #222;\n --contrast-color: #eee;\n --value-color: #145 ;\n --value-bg-color: #eeee;\n --disabled-color: #999;\n --menu-bg-color: #f8f8f8;\n --menu-sep-color: #bbb;\n --hover-bg-color: #999;\n --focus-color: #68C;\n --range-color: #888888;\n --invalid-color: #FF0000;\n --selected-color: rgb(255, 255, 255, 0.9);\n\n --button-bg-color: var(--value-bg-color);\n\n --range-left-color: var(--value-color);\n --range-right-color: var(--value-bg-color); \n --range-right-hover-color: var(--hover-bg-color);\n\n color: var(--color);\n background-color: var(--bg-color);\n}\n\n@media (prefers-color-scheme: dark) {\n .muigui {\n --bg-color: #222222;\n --color: #dddddd;\n --contrast-color: #000;\n --value-color: #43e5f7;\n --value-bg-color: #444444;\n --disabled-color: #666666;\n --menu-bg-color: #080808;\n --menu-sep-color: #444444;\n --hover-bg-color: #666666;\n --focus-color: #88AAFF;\n --range-color: #888888;\n --invalid-color: #FF6666;\n --selected-color: rgba(255, 255, 255, 0.3);\n\n --button-bg-color: var(--value-bg-color);\n\n --range-left-color: var(--value-color);\n --range-right-color: var(--value-bg-color); \n --range-right-hover-color: var(--hover-bg-color);\n\n color: var(--color);\n background-color: var(--bg-color);\n }\n}\n\n.muigui {\n --width: 250px;\n --label-width: 45%;\n --number-width: 40%;\n\n\n --font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Arial, sans-serif;\n --font-size: 11px;\n --font-family-mono: Menlo, Monaco, Consolas, \"Droid Sans Mono\", monospace;\n --font-size-mono: 11px;\n\n --line-height: 1.7em;\n --border-radius: 0px;\n\n width: var(--width);\n font-family: var(--font-family);\n font-size: var(--font-size);\n box-sizing: border-box;\n line-height: 100%;\n}\n.muigui * {\n box-sizing: inherit;\n}\n\n.muigui-no-scroll {\n touch-action: none;\n}\n.muigui-no-h-scroll {\n touch-action: pan-y;\n}\n.muigui-no-v-scroll {\n touch-action: pan-x;\n}\n\n.muigui-invalid-value {\n background-color: red !important;\n color: white !important;\n}\n\n.muigui-grid {\n display: grid;\n}\n.muigui-rows {\n display: flex;\n flex-direction: column;\n\n min-height: 20px;\n border: 2px solid red;\n}\n.muigui-columns {\n display: flex;\n flex-direction: row;\n\n height: 20px;\n border: 2px solid green;\n}\n.muigui-rows>*,\n.muigui-columns>* {\n flex: 1 1 auto;\n align-items: stretch;\n min-height: 0;\n min-width: 0;\n}\n\n.muigui-row {\n border: 2px solid yellow;\n min-height: 10px\n}\n.muigui-column {\n border: 2px solid lightgreen;\n}\n\n/* -------- */\n\n.muigui-show { /* */ }\n.muigui-hide { \n display: none !important;\n}\n.muigui-disabled {\n pointer-events: none;\n --color: var(--disabled-color) !important;\n --value-color: var(--disabled-color) !important;\n --range-left-color: var(--disabled-color) !important;\n}\n\n.muigui canvas,\n.muigui svg {\n display: block;\n border-radius: var(--border-radius);\n}\n.muigui canvas {\n background-color: var(--value-bg-color);\n}\n\n.muigui-controller {\n min-width: 0;\n min-height: var(--line-height);\n}\n.muigui-root,\n.muigui-menu {\n display: flex;\n flex-direction: column;\n position: relative;\n user-select: none;\n height: fit-content;\n margin: 0;\n padding-bottom: 0.1em;\n border-radius: var(--border-radius);\n}\n.muigui-menu {\n border-bottom: 1px solid var(--menu-sep-color);\n}\n\n.muigui-root>button:nth-child(1),\n.muigui-menu>button:nth-child(1) {\n border-top: 1px solid var(--menu-sep-color);\n border-bottom: 1px solid var(--menu-sep-color);\n position: relative;\n text-align: left;\n color: var(--color);\n background-color: var(--menu-bg-color);\n min-height: var(--line-height);\n padding-top: 0.2em;\n padding-bottom: 0.2em;\n cursor: pointer;\n border-radius: var(--border-radius);\n}\n.muigui-root>div:nth-child(2),\n.muigui-menu>div:nth-child(2) {\n flex: 1 1 auto;\n}\n\n.muigui-controller {\n margin-left: 0.2em;\n margin-right: 0.2em;\n}\n.muigui-root.muigui-controller,\n.muigui-menu.muigui-controller {\n margin-left: 0;\n margin-right: 0;\n}\n.muigui-controller>*:nth-child(1) {\n flex: 1 0 var(--label-width);\n min-width: 0;\n white-space: pre;\n}\n.muigui-controller>label:nth-child(1) {\n place-content: center start;\n display: inline-grid;\n overflow: hidden;\n}\n.muigui-controller>*:nth-child(2) {\n flex: 1 1 75%;\n min-width: 0;\n}\n\n/* -----------------------------------------\n a label controller is [[label][value]]\n*/\n\n.muigui-label-controller {\n display: flex;\n margin: 0.4em 0 0.4em 0;\n word-wrap: initial;\n align-items: stretch;\n}\n\n.muigui-value {\n display: flex;\n align-items: stretch;\n}\n.muigui-value>* {\n flex: 1 1 auto;\n min-width: 0;\n}\n.muigui-value>*:nth-child(1) {\n flex: 1 1 calc(100% - var(--number-width));\n}\n.muigui-value>*:nth-child(2) {\n flex: 1 1 var(--number-width);\n margin-left: 0.2em;\n}\n\n/* fix! */\n.muigui-open>button>label::before,\n.muigui-closed>button>label::before {\n width: 1.25em;\n height: var(--line-height);\n display: inline-grid;\n place-content: center start;\n pointer-events: none;\n}\n.muigui-open>button>label::before {\n content: \"ⓧ\"; /*\"▼\";*/\n}\n.muigui-closed>button>label::before {\n content: \"⨁\"; /*\"▶\";*/\n}\n.muigui-open>*:nth-child(2) {\n transition: max-height 0.2s ease-out,\n opacity 0.5s ease-out;\n max-height: 100vh;\n overflow: auto;\n opacity: 1;\n}\n\n.muigui-closed>*:nth-child(2) {\n transition: max-height 0.2s ease-out,\n opacity 1s;\n max-height: 0;\n opacity: 0;\n overflow: hidden;\n}\n\n/* ---- popdown ---- */\n\n.muigui-pop-down-top {\n display: flex;\n}\n/* fix? */\n.muigui-value>*:nth-child(1).muigui-pop-down-top {\n flex: 0;\n}\n.muigui-pop-down-bottom {\n\n}\n\n.muigui-pop-down-values {\n min-width: 0;\n display: flex;\n}\n.muigui-pop-down-values>* {\n flex: 1 1 auto;\n min-width: 0;\n}\n\n.muigui-value.muigui-pop-down-controller {\n flex-direction: column;\n}\n\n.muigui-pop-down-top input[type=checkbox] {\n -webkit-appearance: none;\n appearance: none;\n width: auto;\n color: var(--value-color);\n background-color: var(--value-bg-color);\n cursor: pointer;\n\n display: grid;\n place-content: center;\n margin: 0;\n font: inherit;\n color: currentColor;\n width: 1.7em;\n height: 1.7em;\n transform: translateY(-0.075em);\n}\n\n.muigui-pop-down-top input[type=checkbox]::before {\n content: \"+\";\n display: grid;\n place-content: center;\n border-radius: calc(var(--border-radius) + 2px);\n border-left: 1px solid rgba(255,255,255,0.3);\n border-top: 1px solid rgba(255,255,255,0.3);\n border-bottom: 1px solid rgba(0,0,0,0.2);\n border-right: 1px solid rgba(0,0,0,0.2);\n background-color: var(--range-color);\n color: var(--value-bg-color);\n width: calc(var(--line-height) - 4px);\n height: calc(var(--line-height) - 4px);\n}\n\n.muigui-pop-down-top input[type=checkbox]:checked::before {\n content: \"Ｘ\";\n}\n\n\n/* ---- select ---- */\n\n.muigui select,\n.muigui option,\n.muigui input,\n.muigui button {\n color: var(--value-color);\n background-color: var(--value-bg-color);\n font-family: var(--font-family);\n font-size: var(--font-size);\n border: none;\n margin: 0;\n border-radius: var(--border-radius);\n}\n.muigui select {\n appearance: none;\n margin: 0;\n margin-left: 0; /*?*/\n overflow: hidden; /* Safari */\n}\n\n.muigui select:focus,\n.muigui input:focus,\n.muigui button:focus {\n outline: 1px solid var(--focus-color);\n}\n\n.muigui select:hover,\n.muigui option:hover,\n.muigui input:hover,\n.muigui button:hover {\n background-color: var(--hover-bg-color); \n}\n\n/* ------ [ label ] ------ */\n\n.muigui-label {\n border-top: 1px solid var(--menu-sep-color);\n border-bottom: 1px solid var(--menu-sep-color);\n padding-top: 0.4em;\n padding-bottom: 0.3em;\n place-content: center start;\n background-color: var(--menu-bg-color);\n white-space: pre;\n border-radius: var(--border-radius);\n}\n\n/* ------ [ divider] ------ */\n\n.muigui-divider {\n min-height: 6px;\n border-top: 2px solid var(--menu-sep-color);\n margin-top: 6px;\n}\n\n/* ------ [ button ] ------ */\n\n.muigui-button {\n display: grid;\n\n}\n.muigui-button button {\n border: none;\n color: var(--value-color);\n background-color: var(--button-bg-color);\n cursor: pointer;\n place-content: center center;\n}\n\n/* ------ [ color ] ------ */\n\n.muigui-color>div {\n overflow: hidden;\n position: relative;\n margin-left: 0;\n margin-right: 0; /* why? */\n max-width: var(--line-height);\n border-radius: var(--border-radius);\n}\n\n.muigui-color>div:focus-within {\n outline: 1px solid var(--focus-color);\n}\n\n.muigui-color input[type=color] {\n border: none;\n padding: 0;\n background: inherit;\n cursor: pointer;\n position: absolute;\n width: 200%;\n left: -10px;\n top: -10px;\n height: 200%;\n}\n.muigui-disabled canvas,\n.muigui-disabled svg,\n.muigui-disabled img,\n.muigui-disabled .muigui-color input[type=color] {\n opacity: 0.2;\n}\n\n/* ------ [ checkbox ] ------ */\n\n.muigui-checkbox>label:nth-child(2) {\n display: grid;\n place-content: center start;\n margin: 0;\n}\n\n.muigui-checkbox input[type=checkbox] {\n -webkit-appearance: none;\n appearance: none;\n width: auto;\n color: var(--value-color);\n background-color: var(--value-bg-color);\n cursor: pointer;\n\n display: grid;\n place-content: center;\n margin: 0;\n font: inherit;\n color: currentColor;\n width: 1.7em;\n height: 1.7em;\n transform: translateY(-0.075em);\n}\n\n.muigui-checkbox input[type=checkbox]::before {\n content: \"\";\n color: var(--value-color);\n display: grid;\n place-content: center;\n}\n\n.muigui-checkbox input[type=checkbox]:checked::before {\n content: \"✔\";\n}\n\n.muigui input[type=number]::-webkit-inner-spin-button, \n.muigui input[type=number]::-webkit-outer-spin-button { \n -webkit-appearance: none;\n appearance: none;\n margin: 0; \n}\n.muigui input[type=number] {\n -moz-appearance: textfield;\n}\n\n/* ------ [ radio grid ] ------ */\n\n.muigui-radio-grid>div {\n display: grid;\n gap: 2px;\n}\n\n.muigui-radio-grid input {\n appearance: none;\n display: none;\n}\n\n.muigui-radio-grid button {\n color: var(--color);\n width: 100%;\n text-align: left;\n}\n\n.muigui-radio-grid input:checked + button {\n color: var(--value-color);\n background-color: var(--selected-color);\n}\n\n/* ------ [ color-chooser ] ------ */\n\n.muigui-color-chooser-cursor {\n stroke-width: 1px;\n stroke: white;\n fill: none;\n}\n.muigui-color-chooser-circle {\n stroke-width: 1px;\n stroke: white;\n fill: none;\n}\n\n\n/* ------ [ vec2 ] ------ */\n\n.muigui-vec2 svg {\n background-color: var(--value-bg-color);\n}\n\n.muigui-vec2-axis {\n stroke: 1px;\n stroke: var(--focus-color);\n}\n\n.muigui-vec2-line {\n stroke-width: 1px;\n stroke: var(--value-color);\n fill: var(--value-color);\n}\n\n/* ------ [ direction ] ------ */\n\n.muigui-direction svg {\n background-color: rgba(0,0,0,0.2);\n}\n\n.muigui-direction:focus-within svg {\n outline: none;\n}\n.muigui-direction-range {\n fill: var(--value-bg-color);\n}\n.muigui-direction svg:focus {\n outline: none;\n}\n.muigui-direction svg:focus .muigui-direction-range {\n stroke-width: 0.5px;\n stroke: var(--focus-color);\n}\n\n.muigui-direction-arrow {\n fill: var(--value-color);\n}\n\n/* ------ [ slider ] ------ */\n\n.muigui-slider>div {\n display: flex;\n align-items: stretch;\n height: var(--line-height);\n}\n.muigui-slider svg {\n flex: 1 1 auto;\n}\n.muigui-slider .muigui-slider-up #muigui-orientation {\n transform: scale(1, -1) translateY(-100%);\n}\n\n.muigui-slider .muigui-slider-up #muigui-number-orientation {\n transform: scale(1,-1);\n}\n\n.muigui-ticks {\n stroke: var(--range-color);\n}\n.muigui-thicks {\n stroke: var(--color);\n stroke-width: 2px;\n}\n.muigui-svg-text {\n fill: var(--color);\n font-size: 7px;\n}\n.muigui-mark {\n fill: var(--value-color);\n}\n\n/* ------ [ range ] ------ */\n\n\n.muigui-range input[type=range] {\n -webkit-appearance: none;\n appearance: none;\n background-color: transparent;\n}\n\n.muigui-range input[type=range]::-webkit-slider-thumb {\n -webkit-appearance: none;\n appearance: none;\n border-radius: calc(var(--border-radius) + 2px);\n border-left: 1px solid rgba(255,255,255,0.3);\n border-top: 1px solid rgba(255,255,255,0.3);\n border-bottom: 1px solid rgba(0,0,0,0.2);\n border-right: 1px solid rgba(0,0,0,0.2);\n background-color: var(--range-color);\n margin-top: calc((var(--line-height) - 2px) / -2);\n width: calc(var(--line-height) - 2px);\n height: calc(var(--line-height) - 2px);\n}\n\n.muigui-range input[type=range]::-webkit-slider-runnable-track {\n -webkit-appearance: none;\n appearance: none;\n border: 1px solid var(--menu-sep-color);\n height: 2px;\n}\n\n\n/* dat.gui style - doesn't work on Safari iOS */\n\n/*\n.muigui-range input[type=range] {\n cursor: ew-resize;\n overflow: hidden;\n}\n\n.muigui-range input[type=range] {\n -webkit-appearance: none;\n appearance: none;\n background-color: var(--range-right-color);\n margin: 0;\n}\n.muigui-range input[type=range]:hover {\n background-color: var(--range-right-hover-color);\n}\n\n.muigui-range input[type=range]::-webkit-slider-runnable-track {\n -webkit-appearance: none;\n appearance: none;\n height: max-content;\n color: var(--range-left-color);\n margin-top: -1px;\n}\n\n.muigui-range input[type=range]::-webkit-slider-thumb {\n -webkit-appearance: none;\n appearance: none;\n width: 0px;\n height: max-content;\n box-shadow: -1000px 0 0 1000px var(--range-left-color);\n}\n*/\n\n/* FF */\n/*\n.muigui-range input[type=range]::-moz-slider-progress {\n background-color: var(--range-left-color); \n}\n.muigui-range input[type=range]::-moz-slider-thumb {\n height: max-content;\n width: 0;\n border: none;\n box-shadow: -1000px 0 0 1000px var(--range-left-color);\n box-sizing: border-box;\n}\n*/\n\n.muigui-checkered-background {\n background-color: #404040;\n background-image:\n linear-gradient(45deg, #808080 25%, transparent 25%),\n linear-gradient(-45deg, #808080 25%, transparent 25%),\n linear-gradient(45deg, transparent 75%, #808080 75%),\n linear-gradient(-45deg, transparent 75%, #808080 75%);\n background-size: 16px 16px;\n background-position: 0 0, 0 8px, 8px -8px, -8px 0px;\n}\n\n/* ---------------------------------------------------------- */\n\n/* needs to be at bottom to take precedence */\n.muigui-auto-place {\n max-height: 100%;\n position: fixed;\n top: 0;\n right: 15px;\n z-index: 100001;\n}\n\n`,\nthemes: {\n default: '',\n float: `\n :root {\n color-scheme: light dark,\n }\n\n .muigui {\n --width: 400px;\n --bg-color: initial;\n --label-width: 25%;\n --number-width: 20%;\n }\n\n input,\n .muigui-label-controller>label {\n text-shadow:\n -1px -1px 0 var(--contrast-color),\n 1px -1px 0 var(--contrast-color),\n -1px 1px 0 var(--contrast-color),\n 1px 1px 0 var(--contrast-color);\n }\n\n .muigui-controller > label:nth-child(1) {\n place-content: center end;\n margin-right: 1em;\n }\n\n .muigui-value > :nth-child(2) {\n margin-left: 1em;\n }\n\n .muigui-root>*:nth-child(1) {\n display: none;\n }\n\n .muigui-range input[type=range]::-webkit-slider-thumb {\n border-radius: 1em;\n }\n\n .muigui-range input[type=range]::-webkit-slider-runnable-track {\n -webkit-appearance: initial;\n appearance: none;\n border: 1px solid rgba(0, 0, 0, 0.25);\n height: 2px;\n }\n\n .muigui-colors {\n --value-color: var(--color );\n --value-bg-color: rgba(0, 0, 0, 0.1);\n --disabled-color: #cccccc;\n --menu-bg-color: rgba(0, 0, 0, 0.1);\n --menu-sep-color: #bbbbbb;\n --hover-bg-color: rgba(0, 0, 0, 0);\n --invalid-color: #FF0000;\n --selected-color: rgba(0, 0, 0, 0.3);\n --range-color: rgba(0, 0, 0, 0.125);\n }\n`,\n},\n};\n","export function setElemProps(elem, attrs, children) {\n for (const [key, value] of Object.entries(attrs)) {\n if (typeof value === 'function' && key.startsWith('on')) {\n const eventName = key.substring(2).toLowerCase();\n elem.addEventListener(eventName, value, {passive: false});\n } else if (typeof value === 'object') {\n for (const [k, v] of Object.entries(value)) {\n elem[key][k] = v;\n }\n } else if (elem[key] === undefined) {\n elem.setAttribute(key, value);\n } else {\n elem[key] = value;\n }\n }\n for (const child of children) {\n elem.appendChild(child);\n }\n return elem;\n}\n\nexport function createElem(tag, attrs = {}, children = []) {\n const elem = document.createElement(tag);\n setElemProps(elem, attrs, children);\n return elem;\n}\n\nexport function addElem(tag, parent, attrs = {}, children = []) {\n const elem = createElem(tag, attrs, children);\n parent.appendChild(elem);\n return elem;\n}\n\nlet nextId = 0;\nexport function getNewId() {\n return `muigui-id-${nextId++}`;\n}\n","export function removeArrayElem(array, value) {\n const ndx = array.indexOf(value);\n if (ndx) {\n array.splice(ndx, 1);\n }\n return array;\n}\n\n/**\n * Converts an camelCase or snake_case id to \"camel case\" or \"snake case\"\n * @param {string} id\n */\nconst underscoreRE = /_/g;\nconst upperLowerRE = /([A-Z])([a-z])/g;\nexport function idToLabel(id) {\n return id.replace(underscoreRE, ' ')\n .replace(upperLowerRE, (m, m1, m2) => `${m1.toLowerCase()} ${m2}`);\n}\n\nexport function clamp(v, min, max) {\n return Math.max(min, Math.min(max, v));\n}\n\nexport const isTypedArray = typeof SharedArrayBuffer !== 'undefined'\n ? function isArrayBufferOrSharedArrayBuffer(a) {\n return a && a.buffer && (a.buffer instanceof ArrayBuffer || a.buffer instanceof SharedArrayBuffer);\n }\n : function isArrayBuffer(a) {\n return a && a.buffer && a.buffer instanceof ArrayBuffer;\n };\n\nexport const isArrayOrTypedArray = v => Array.isArray(v) || isTypedArray(v);\n\n// Yea, I know this should be `Math.round(v / step) * step\n// but try step = 0.1, newV = 19.95\n//\n// I get\n// Math.round(19.95 / 0.1) * 0.1\n// 19.900000000000002\n// vs\n// Math.round(19.95 / 0.1) / (1 / 0.1)\n// 19.9\n//\nexport const stepify = (v, from, step) => Math.round(from(v) / step) / (1 / step);\n\nexport const euclideanModulo = (v, n) => ((v % n) + n) % n;\nexport const lerp = (a, b, t) => a + (b - a) * t;\nexport function copyExistingProperties(dst, src) {\n for (const key in src) {\n if (key in dst) {\n dst[key] = src[key];\n }\n }\n return dst;\n}\n\nexport const mapRange = (v, inMin, inMax, outMin, outMax) => (v - inMin) * (outMax - outMin) / (inMax - inMin) + outMin;\n\nexport const makeRangeConverters = ({from, to}) => {\n return {\n to: v => mapRange(v, ...from, ...to),\n from: v => [true, mapRange(v, ...to, ...from)],\n };\n};\n\nexport const makeRangeOptions = ({from, to, step}) => {\n return {\n min: to[0],\n max: to[1],\n ...(step && {step}),\n converters: makeRangeConverters({from, to}),\n };\n};\n\n// TODO: remove an use one in conversions. Move makeRangeConverters there?\nexport const identity = {\n to: v => v,\n from: v => [true, v],\n};\nexport function makeMinMaxPair(gui, properties, minPropName, maxPropName, options) {\n const { converters: { from } = identity } = options;\n const { min, max } = options;\n const guiMinRange = options.minRange || 0;\n const valueMinRange = from(guiMinRange)[1];\n const minGui = gui\n .add(properties, minPropName, {\n ...options,\n min,\n max: max - guiMinRange,\n })\n .onChange(v => {\n maxGui.setValue(Math.min(max, Math.max(v + valueMinRange, properties[maxPropName])));\n });\n const maxGui = gui\n .add(properties, maxPropName, {\n ...options,\n min: min + guiMinRange,\n max,\n })\n .onChange(v => {\n minGui.setValue(Math.max(min, Math.min(v - valueMinRange, properties[minPropName])));\n });\n return [ minGui, maxGui ];\n}\n\n","import { removeArrayElem } from '../libs/utils.js';\n\nexport default class View {\n domElement: HTMLElement;\n\n #childDestElem: HTMLElement;\n #views: View[] = [];\n\n constructor(elem: HTMLElement) {\n this.domElement = elem;\n this.#childDestElem = elem;\n }\n addElem(elem: HTMLElement) {\n this.#childDestElem.appendChild(elem);\n return elem;\n }\n removeElem(elem: HTMLElement) {\n this.#childDestElem.removeChild(elem);\n return elem;\n }\n pushSubElem(elem: HTMLElement) {\n this.#childDestElem.appendChild(elem);\n this.#childDestElem = elem;\n }\n popSubElem() {\n this.#childDestElem = this.#childDestElem.parentElement!;\n }\n add(view: View) {\n this.#views.push(view);\n this.addElem(view.domElement);\n return view;\n }\n remove(view: View) {\n this.removeElem(view.domElement);\n removeArrayElem(this.#views, view);\n return view;\n }\n pushSubView(view: View) {\n this.pushSubElem(view.domElement);\n }\n popSubView() {\n this.popSubElem();\n }\n setOptions(options: any) {\n for (const view of this.#views) {\n view.setOptions(options);\n }\n }\n updateDisplayIfNeeded(newV: any, ignoreCache?: boolean) {\n for (const view of this.#views) {\n view.updateDisplayIfNeeded(newV, ignoreCache);\n }\n return this;\n }\n $(selector: string) {\n return this.domElement.querySelector(selector);\n }\n}","import { createElem } from '../libs/elem.js';\nimport { removeArrayElem } from '../libs/utils.js';\nimport View from '../views/View.js';\n\nexport default class Controller extends View {\n #changeFns;\n #finishChangeFns;\n #parent;\n\n constructor(className) {\n super(createElem('div', {className: 'muigui-controller'}));\n this.#changeFns = [];\n this.#finishChangeFns = [];\n // we need the specialization to come last so it takes precedence.\n if (className) {\n this.domElement.classList.add(className);\n }\n }\n get parent() {\n return this.#parent;\n }\n setParent(parent) {\n this.#parent = parent;\n this.enable(!this.disabled());\n }\n show(show = true) {\n this.domElement.classList.toggle('muigui-hide', !show);\n this.domElement.classList.toggle('muigui-show', show);\n return this;\n }\n hide() {\n return this.show(false);\n }\n disabled() {\n return !!this.domElement.closest('.muigui-disabled');\n }\n\n enable(enable = true) {\n this.domElement.classList.toggle('muigui-disabled', !enable);\n\n // If disabled we need to set the attribute 'disabled=true' to all\n // input/select/button/textarea's below\n //\n // If enabled we need to set the attribute 'disabled=false' to all below\n // until we hit a disabled controller.\n //\n // ATM the problem is we can find the input/select/button/textarea elements\n // but we can't easily find which controller they belong do.\n // But we don't need to? We can just check up if it or parent has\n // '.muigui-disabled'\n ['input', 'button', 'select', 'textarea'].forEach(tag => {\n this.domElement.querySelectorAll(tag).forEach(elem => {\n const disabled = !!elem.closest('.muigui-disabled');\n elem.disabled = disabled;\n });\n });\n\n return this;\n }\n disable(disable = true) {\n return this.enable(!disable);\n }\n onChange(fn) {\n this.removeChange(fn);\n this.#changeFns.push(fn);\n return this;\n }\n removeChange(fn) {\n removeArrayElem(this.#changeFns, fn);\n return this;\n }\n onFinishChange(fn) {\n this.removeFinishChange(fn);\n this.#finishChangeFns.push(fn);\n return this;\n }\n removeFinishChange(fn) {\n removeArrayElem(this.#finishChangeFns, fn);\n return this;\n }\n #callListeners(fns, newV) {\n for (const fn of fns) {\n fn.call(this, newV);\n }\n }\n emitChange(value, object, property) {\n this.#callListeners(this.#changeFns, value);\n if (this.#parent) {\n if (object === undefined) {\n this.#parent.emitChange(value);\n } else {\n this.#parent.emitChange({\n object,\n property,\n value,\n controller: this,\n });\n }\n }\n }\n emitFinalChange(value, object, property) {\n this.#callListeners(this.#finishChangeFns, value);\n if (this.#parent) {\n if (object === undefined) {\n this.#parent.emitChange(value);\n } else {\n this.#parent.emitFinalChange({\n object,\n property,\n value,\n controller: this,\n });\n }\n }\n }\n updateDisplay() {\n // placeholder. override\n }\n getColors() {\n const toCamelCase = s => s.replace(/-([a-z])/g, (m, m1) => m1.toUpperCase());\n const keys = [\n 'color',\n 'bg-color',\n 'value-color',\n 'value-bg-color',\n 'hover-bg-color',\n 'menu-bg-color',\n 'menu-sep-color',\n 'disabled-color',\n ];\n const div = createElem('div');\n this.domElement.appendChild(div);\n const colors = Object.fromEntries(keys.map(key => {\n div.style.color = `var(--${key})`;\n const s = getComputedStyle(div);\n return [toCamelCase(key), s.color];\n }));\n div.remove();\n return colors;\n }\n}\n","import {\n createElem,\n} from '../libs/elem.js';\nimport { copyExistingProperties } from '../libs/utils.js';\nimport Controller from './Controller.js';\n\nexport default class Button extends Controller {\n #object;\n #property;\n #buttonElem;\n #options = {\n name: '',\n };\n\n constructor(object, property, options = {}) {\n super('muigui-button', '');\n this.#object = object;\n this.#property = property;\n\n this.#buttonElem = this.addElem(\n createElem('button', {\n type: 'button',\n onClick: () => {\n this.#object[this.#property](this);\n },\n }));\n this.setOptions({name: property, ...options});\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n const {name} = this.#options;\n this.#buttonElem.textContent = name;\n }\n}","import { isTypedArray } from '../libs/utils.js';\nimport View from './View.js';\n\nfunction arraysEqual(a, b) {\n if (a.length !== b.length) {\n return false;\n }\n for (let i = 0; i < a.length; ++i) {\n if (a[i] !== b[i]) {\n return false;\n }\n }\n return true;\n}\n\nfunction copyArrayElementsFromTo(src, dst) {\n dst.length = src.length;\n for (let i = 0; i < src.length; ++i) {\n dst[i] = src[i];\n }\n}\n\nexport default class EditView extends View {\n #oldV;\n #updateCheck;\n\n #checkArrayNeedsUpdate(newV) {\n // It's an array, we need to compare all elements\n // Example, vec2, [r,g,b], ...\n const needUpdate = !arraysEqual(newV, this.#oldV);\n if (needUpdate) {\n copyArrayElementsFromTo(newV, this.#oldV);\n }\n return needUpdate;\n }\n\n #checkTypedArrayNeedsUpdate() {\n let once = true;\n return function checkTypedArrayNeedsUpdateImpl(newV) {\n // It's a typedarray, we need to compare all elements\n // Example: Float32Array([r, g, b])\n let needUpdate = once;\n once = false;\n if (!needUpdate) {\n needUpdate = !arraysEqual(newV, this.#oldV);\n }\n return needUpdate;\n };\n }\n\n #checkObjectNeedsUpdate(newV) {\n let needUpdate = false;\n for (const key in newV) {\n if (newV[key] !== this.#oldV[key]) {\n needUpdate = true;\n this.#oldV[key] = newV[key];\n }\n }\n return needUpdate;\n }\n\n #checkValueNeedsUpdate(newV) {\n const needUpdate = newV !== this.#oldV;\n this.#oldV = newV;\n return needUpdate;\n }\n\n #getUpdateCheckForType(newV) {\n if (Array.isArray(newV)) {\n this.#oldV = [];\n return this.#checkArrayNeedsUpdate.bind(this);\n } else if (isTypedArray(newV)) {\n this.#oldV = new newV.constructor(newV);\n return this.#checkTypedArrayNeedsUpdate(this);\n } else if (typeof newV === 'object') {\n this.#oldV = {};\n return this.#checkObjectNeedsUpdate.bind(this);\n } else {\n return this.#checkValueNeedsUpdate.bind(this);\n }\n }\n\n // The point of this is updating DOM elements\n // is slow but if we've called `listen` then\n // every frame we're going to try to update\n // things with the current value so if nothing\n // has changed then skip it.\n updateDisplayIfNeeded(newV, ignoreCache) {\n this.#updateCheck = this.#updateCheck || this.#getUpdateCheckForType(newV);\n // Note: We call #updateCheck first because it updates\n // the cache\n if (this.#updateCheck(newV) || ignoreCache) {\n this.updateDisplay(newV);\n }\n }\n setOptions(/*options*/) {\n // override this\n return this;\n }\n}\n","import { createElem } from '../libs/elem.js';\nimport EditView from './EditView.js';\n\nexport default class CheckboxView extends EditView {\n #checkboxElem;\n constructor(setter, id) {\n const checkboxElem = createElem('input', {\n type: 'checkbox',\n id,\n onInput: () => {\n setter.setValue(checkboxElem.checked);\n },\n onChange: () => {\n setter.setFinalValue(checkboxElem.checked);\n },\n });\n super(createElem('label', {}, [checkboxElem]));\n this.#checkboxElem = checkboxElem;\n }\n updateDisplay(v) {\n this.#checkboxElem.checked = v;\n }\n}\n","import { removeArrayElem } from './utils.js';\n\nconst tasks = [];\nconst tasksToRemove = new Set();\n\nlet requestId;\nlet processing;\n\nfunction removeTasks() {\n if (!tasksToRemove.size) {\n return;\n }\n\n if (processing) {\n queueProcessing();\n return;\n }\n\n tasksToRemove.forEach(task => {\n removeArrayElem(tasks, task);\n });\n tasksToRemove.clear();\n}\n\nfunction processTasks() {\n requestId = undefined;\n processing = true;\n for (const task of tasks) {\n if (!tasksToRemove.has(task)) {\n task();\n }\n }\n processing = false;\n removeTasks();\n queueProcessing();\n}\n\nfunction queueProcessing() {\n if (!requestId && tasks.length) {\n requestId = requestAnimationFrame(processTasks);\n }\n}\n\nexport function addTask(fn) {\n tasks.push(fn);\n queueProcessing();\n}\n\nexport function removeTask(fn) {\n tasksToRemove.set(fn);\n\n const ndx = tasks.indexOf(fn);\n if (ndx >= 0) {\n tasks.splice(ndx, 1);\n }\n}","let id = 0;\n\nexport function makeId() {\n return `muigui-${++id}`;\n}\n","import { createElem } from '../libs/elem.js';\nimport View from './View.js';\n\nexport default class ValueView extends View {\n constructor(className = '') {\n super(createElem('div', {className: 'muigui-value'}));\n if (className) {\n this.domElement.classList.add(className);\n }\n }\n}","import { createElem } from '../libs/elem.js';\nimport { makeId } from '../libs/ids.js';\nimport ValueView from '../views/ValueView.js';\nimport Controller from './Controller.js';\n\nexport default class LabelController extends Controller {\n #id;\n #nameElem;\n\n constructor(className = '', name = '') {\n super('muigui-label-controller');\n this.#id = makeId();\n this.#nameElem = createElem('label', {for: this.#id});\n this.domElement.appendChild(this.#nameElem);\n this.pushSubView(new ValueView(className));\n this.name(name);\n }\n get id() {\n return this.#id;\n }\n name(name) {\n if (this.#nameElem.title === this.#nameElem.textContent) {\n this.#nameElem.title = name;\n }\n this.#nameElem.textContent = name;\n return this;\n }\n tooltip(tip) {\n this.#nameElem.title = tip;\n }\n}\n\n","import {addTask, removeTask} from '../libs/taskrunner.js';\nimport { isTypedArray } from '../libs/utils.js';\nimport LabelController from './LabelController.js';\n\nexport default class ValueController extends LabelController {\n #object;\n #property;\n #initialValue;\n #listening;\n #views;\n #updateFn;\n\n constructor(object, property, className = '') {\n super(className, property);\n this.#object = object;\n this.#property = property;\n this.#initialValue = this.getValue();\n this.#listening = false;\n this.#views = [];\n }\n get initialValue() {\n return this.#initialValue;\n }\n get object() {\n return this.#object;\n }\n get property() {\n return this.#property;\n }\n add(view) {\n this.#views.push(view);\n super.add(view);\n this.updateDisplay();\n return view;\n }\n #setValueImpl(v, ignoreCache) {\n let isDifferent = false;\n if (typeof v === 'object') {\n const dst = this.#object[this.#property];\n // don't replace objects, just their values.\n if (Array.isArray(v) || isTypedArray(v)) {\n for (let i = 0; i < v.length; ++i) {\n isDifferent ||= dst[i] !== v[i];\n dst[i] = v[i];\n }\n } else {\n for (const key of Object.keys(v)) {\n isDifferent ||= dst[key] !== v[key];\n }\n Object.assign(dst, v);\n }\n } else {\n isDifferent = this.#object[this.#property] !== v;\n this.#object[this.#property] = v;\n }\n this.updateDisplay(ignoreCache);\n if (isDifferent) {\n this.emitChange(this.getValue(), this.#object, this.#property);\n }\n return isDifferent;\n }\n setValue(v) {\n this.#setValueImpl(v);\n }\n setFinalValue(v) {\n const isDifferent = this.#setValueImpl(v, true);\n if (isDifferent) {\n this.emitFinalChange(this.getValue(), this.#object, this.#property);\n }\n return this;\n }\n updateDisplay(ignoreCache) {\n const newV = this.getValue();\n for (const view of this.#views) {\n view.updateDisplayIfNeeded(newV, ignoreCache);\n }\n return this;\n }\n setOptions(options) {\n for (const view of this.#views) {\n view.setOptions(options);\n }\n this.updateDisplay();\n return this;\n }\n getValue() {\n return this.#object[this.#property];\n }\n value(v) {\n this.setValue(v);\n return this;\n }\n reset() {\n this.setValue(this.#initialValue);\n return this;\n }\n listen(listen = true) {\n if (!this.#updateFn) {\n this.#updateFn = this.updateDisplay.bind(this);\n }\n if (listen) {\n if (!this.#listening) {\n this.#listening = true;\n addTask(this.#updateFn);\n }\n } else {\n if (this.#listening) {\n this.#listening = false;\n removeTask(this.#updateFn);\n }\n }\n return this;\n }\n}\n\n","import CheckboxView from '../views/CheckboxView.js';\nimport ValueController from './ValueController.js';\n\nexport default class Checkbox extends ValueController {\n constructor(object, property) {\n super(object, property, 'muigui-checkbox');\n const id = this.id;\n this.add(new CheckboxView(this, id));\n this.updateDisplay();\n }\n}","import {\n makeRangeConverters,\n} from './utils.js';\n\nexport const identity = {\n to: v => v,\n from: v => [true, v],\n};\n\n// from: from string to value\n// to: from value to string\nexport const strToNumber = {\n to: v => v.toString(),\n from: v => {\n const newV = parseFloat(v);\n return [!Number.isNaN(newV), newV];\n },\n};\n\nexport const converters = {\n radToDeg: makeRangeConverters({to: [0, 180], from: [0, Math.PI]}),\n};\n","export function createWheelHelper() {\n let wheelAccum = 0;\n return function (e, step, wheelScale = 5) {\n wheelAccum -= e.deltaY * step / wheelScale;\n const wheelSteps = Math.floor(Math.abs(wheelAccum) / step) * Math.sign(wheelAccum);\n const delta = wheelSteps * step;\n wheelAccum -= delta;\n return delta;\n };\n}\n","import { createElem } from '../libs/elem.js';\nimport { strToNumber } from '../libs/conversions.js';\nimport { createWheelHelper } from '../libs/wheel.js';\nimport { clamp, copyExistingProperties, stepify } from '../libs/utils.js';\nimport EditView from './EditView.js';\n\nexport default class NumberView extends EditView {\n #to;\n #from;\n #step;\n #skipUpdate;\n #options = {\n step: 0.01,\n converters: strToNumber,\n min: Number.NEGATIVE_INFINITY,\n max: Number.POSITIVE_INFINITY,\n };\n\n constructor(setter, options) {\n const setValue = setter.setValue.bind(setter);\n const setFinalValue = setter.setFinalValue.bind(setter);\n const wheelHelper = createWheelHelper();\n super(createElem('input', {\n type: 'number',\n onInput: () => this.#handleInput(setValue, true),\n onChange: () => this.#handleInput(setFinalValue, false),\n onWheel: e => {\n e.preventDefault();\n const {min, max, step} = this.#options;\n const delta = wheelHelper(e, step);\n const v = parseFloat(this.domElement.value);\n const newV = clamp(stepify(v + delta, v => v, step), min, max);\n setter.setValue(newV);\n },\n }));\n this.setOptions(options);\n }\n #handleInput(setFn, skipUpdate) {\n const v = parseFloat(this.domElement.value);\n const [valid, newV] = this.#from(v);\n let inRange;\n if (valid && !Number.isNaN(v)) {\n const {min, max} = this.#options;\n inRange = newV >= min && newV <= max;\n this.#skipUpdate = skipUpdate;\n setFn(clamp(newV, min, max));\n }\n this.domElement.classList.toggle('muigui-invalid-value', !valid || !inRange);\n }\n updateDisplay(v) {\n if (!this.#skipUpdate) {\n this.domElement.value = stepify(v, this.#to, this.#step);\n }\n this.#skipUpdate = false;\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n const {\n step,\n converters: {to, from},\n } = this.#options;\n this.#to = to;\n this.#from = from;\n this.#step = step;\n return this;\n }\n}\n","\nimport NumberView from '../views/NumberView.js';\nimport ValueController from './ValueController.js';\n\n// Wanted to name this `Number` but it conflicts with\n// JavaScript `Number`. It most likely wouldn't be\n// an issue? But users might `import {Number} ...` and\n// things would break.\nexport default class TextNumber extends ValueController {\n #textView;\n #step;\n\n constructor(object, property, options = {}) {\n super(object, property, 'muigui-checkbox');\n this.#textView = this.add(new NumberView(this, options));\n this.updateDisplay();\n }\n}","import { createElem } from '../libs/elem.js';\nimport EditView from './EditView.js';\n\nexport default class SelectView extends EditView {\n #values;\n\n constructor(setter, keyValues) {\n const values = [];\n super(createElem('select', {\n onChange: () => {\n setter.setFinalValue(this.#values[this.domElement.selectedIndex]);\n },\n }, keyValues.map(([key, value]) => {\n values.push(value);\n return createElem('option', {textContent: key});\n })));\n this.#values = values;\n }\n updateDisplay(v) {\n const ndx = this.#values.indexOf(v);\n this.domElement.selectedIndex = ndx;\n }\n}\n","\n// 4 cases\n// (a) keyValues is array of arrays, each sub array is key value\n// (b) keyValues is array and value is number then keys = array contents, value = index\n// (c) keyValues is array and value is not number, key = array contents, value = array contents\n// (d) keyValues is object then key->value\nexport function convertToKeyValues(keyValues, valueIsNumber) {\n if (Array.isArray(keyValues)) {\n if (Array.isArray(keyValues[0])) {\n // (a) keyValues is array of arrays, each sub array is key value\n return keyValues;\n } else {\n if (valueIsNumber) {\n // (b) keyValues is array and value is number then keys = array contents, value = index\n return keyValues.map((v, ndx) => [v, ndx]);\n } else {\n // (c) keyValues is array and value is not number, key = array contents, value = array contents\n return keyValues.map(v => [v, v]);\n }\n }\n } else {\n // (d)\n return [...Object.entries(keyValues)];\n }\n}\n","import SelectView from '../views/SelectView.js';\nimport ValueController from './ValueController.js';\nimport { convertToKeyValues } from '../libs/key-values.js';\n\nexport default class Select extends ValueController {\n constructor(object, property, options) {\n super(object, property, 'muigui-select');\n const valueIsNumber = typeof this.getValue() === 'number';\n const {keyValues: keyValuesInput} = options;\n const keyValues = convertToKeyValues(keyValuesInput, valueIsNumber);\n this.add(new SelectView(this, keyValues));\n this.updateDisplay();\n }\n}","import { createElem } from '../libs/elem.js';\nimport { identity } from '../libs/conversions.js';\nimport { clamp, copyExistingProperties, stepify } from '../libs/utils.js';\nimport { createWheelHelper } from '../libs/wheel.js';\nimport EditView from './EditView.js';\n\nexport default class RangeView extends EditView {\n #to;\n #from;\n #step;\n #skipUpdate;\n #options = {\n step: 0.01,\n min: 0,\n max: 1,\n converters: identity,\n };\n\n constructor(setter, options) {\n const wheelHelper = createWheelHelper();\n super(createElem('input', {\n type: 'range',\n onInput: () => {\n this.#skipUpdate = true;\n const {min, max, step} = this.#options;\n const v = parseFloat(this.domElement.value);\n const newV = clamp(stepify(v, v => v, step), min, max);\n const [valid, validV] = this.#from(newV);\n if (valid) {\n setter.setValue(validV);\n }\n },\n onChange: () => {\n this.#skipUpdate = true;\n const {min, max, step} = this.#options;\n const v = parseFloat(this.domElement.value);\n const newV = clamp(stepify(v, v => v, step), min, max);\n const [valid, validV] = this.#from(newV);\n if (valid) {\n setter.setFinalValue(validV);\n }\n },\n onWheel: e => {\n e.preventDefault();\n const [valid, v] = this.#from(parseFloat(this.domElement.value));\n if (!valid) {\n return;\n }\n const {min, max, step} = this.#options;\n const delta = wheelHelper(e, step);\n const newV = clamp(stepify(v + delta, v => v, step), min, max);\n setter.setValue(newV);\n },\n }));\n this.setOptions(options);\n }\n updateDisplay(v) {\n if (!this.#skipUpdate) {\n this.domElement.value = stepify(v, this.#to, this.#step);\n }\n this.#skipUpdate = false;\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n const {\n step,\n min,\n max,\n converters: {to, from},\n } = this.#options;\n this.#to = to;\n this.#from = from;\n this.#step = step;\n this.domElement.step = step;\n this.domElement.min = min;\n this.domElement.max = max;\n return this;\n }\n}","import ValueController from './ValueController.js';\nimport NumberView from '../views/NumberView.js';\nimport RangeView from '../views/RangeView.js';\n\nexport default class Range extends ValueController {\n constructor(object, property, options) {\n super(object, property, 'muigui-range');\n this.add(new RangeView(this, options));\n this.add(new NumberView(this, options));\n }\n}\n","import { createElem } from '../libs/elem.js';\nimport { identity } from '../libs/conversions.js';\nimport EditView from './EditView.js';\nimport { copyExistingProperties } from '../libs/utils.js';\n\nexport default class TextView extends EditView {\n #to;\n #from;\n #skipUpdate;\n #options = {\n converters: identity,\n };\n\n constructor(setter, options) {\n const setValue = setter.setValue.bind(setter);\n const setFinalValue = setter.setFinalValue.bind(setter);\n super(createElem('input', {\n type: 'text',\n onInput: () => this.#handleInput(setValue, true),\n onChange: () => this.#handleInput(setFinalValue, false),\n }));\n this.setOptions(options);\n }\n #handleInput(setFn, skipUpdate) {\n const [valid, newV] = this.#from(this.domElement.value);\n if (valid) {\n this.#skipUpdate = skipUpdate;\n setFn(newV);\n }\n this.domElement.style.color = valid ? '' : 'var(--invalid-color)';\n\n }\n updateDisplay(v) {\n if (!this.#skipUpdate) {\n this.domElement.value = this.#to(v);\n this.domElement.style.color = '';\n }\n this.#skipUpdate = false;\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n const {\n converters: {to, from},\n } = this.#options;\n this.#to = to;\n this.#from = from;\n return this;\n }\n}\n","import TextView from '../views/TextView.js';\nimport ValueController from './ValueController.js';\n\nexport default class Text extends ValueController {\n constructor(object, property) {\n super(object, property, 'muigui-checkbox');\n this.add(new TextView(this));\n this.updateDisplay();\n }\n}","import Button from './Button.js';\nimport Checkbox from './Checkbox.js';\nimport TextNumber from './TextNumber.js';\nimport Select from './Select.js';\nimport Range from './Range.js';\nimport Text from './Text.js';\n\n// const isConversion = o => typeof o.to === 'function' && typeof o.from === 'function';\n\n/**\n * possible inputs\n * add(o, p, min: number, max: number)\n * add(o, p, min: number, max: number, step: number)\n * add(o, p, array: [value])\n * add(o, p, array: [[key, value]])\n *\n * @param {*} object\n * @param {string} property\n * @param {...any} args\n * @returns {Controller}\n */\nexport function createController(object, property, ...args) {\n const [arg1] = args;\n if (Array.isArray(arg1)) {\n return new Select(object, property, {keyValues: arg1});\n }\n\n const t = typeof object[property];\n switch (t) {\n case 'number':\n if (typeof args[0] === 'number' && typeof args[1] === 'number') {\n const min = args[0];\n const max = args[1];\n const step = args[2];\n return new Range(object, property, {min, max, ...(step && {step})});\n }\n return args.length === 0\n ? new TextNumber(object, property, ...args)\n : new Range(object, property, ...args);\n case 'boolean':\n return new Checkbox(object, property, ...args);\n case 'function':\n return new Button(object, property, ...args);\n case 'string':\n return new Text(object, property, ...args);\n case 'undefined':\n throw new Error(`no property named ${property}`);\n default:\n throw new Error(`unhandled type ${t} for property ${property}`);\n }\n}","const clamp = (v, min, max) => Math.max(min, Math.min(max, v));\nconst lerp = (a, b, t) => a + (b - a) * t;\nconst fract = v => v >= 0 ? v % 1 : 1 - (v % 1);\n\nconst f0 = v => +v.toFixed(0); // converts to string (eg 1.2 => \"1\"), then converts back to number (eg, \"1.200\" => 1.2)\nconst f3 = v => +v.toFixed(3); // converts to string (eg 1.2 => \"1.200\"), then converts back to number (eg, \"1.200\" => 1.2)\n\nconst hexToUint32RGB = v => (parseInt(v.substring(1, 3), 16) << 16) |\n (parseInt(v.substring(3, 5), 16) << 8 ) |\n (parseInt(v.substring(5, 7), 16) );\nconst uint32RGBToHex = v => `#${(Math.round(v)).toString(16).padStart(6, '0')}`;\nconst hexToUint32RGBA = v => (parseInt(v.substring(1, 3), 16) * 2 ** 24) +\n (parseInt(v.substring(3, 5), 16) * 2 ** 16) +\n (parseInt(v.substring(5, 7), 16) * 2 ** 8) +\n (parseInt(v.substring(7, 9), 16) );\nconst uint32RGBAToHex = v => `#${(Math.round(v)).toString(16).padStart(8, '0')}`;\n\nexport const hexToUint8RGB = v => [\n parseInt(v.substring(1, 3), 16),\n parseInt(v.substring(3, 5), 16),\n parseInt(v.substring(5, 7), 16),\n];\nexport const uint8RGBToHex = v => `#${Array.from(v).map(v => v.toString(16).padStart(2, '0')).join('')}`;\n\nexport const hexToUint8RGBA = v => [\n parseInt(v.substring(1, 3), 16),\n parseInt(v.substring(3, 5), 16),\n parseInt(v.substring(5, 7), 16),\n parseInt(v.substring(7, 9), 16),\n];\nexport const uint8RGBAToHex = v => `#${Array.from(v).map(v => v.toString(16).padStart(2, '0')).join('')}`;\n\nexport const hexToFloatRGB = v => hexToUint8RGB(v).map(v => f3(v / 255));\nexport const floatRGBToHex = v => uint8RGBToHex(Array.from(v).map(v => Math.round(clamp(v * 255, 0, 255))));\n\nexport const hexToFloatRGBA = v => hexToUint8RGBA(v).map(v => f3(v / 255));\nexport const floatRGBAToHex = v => uint8RGBAToHex(Array.from(v).map(v => Math.round(clamp(v * 255, 0, 255))));\n\nconst scaleAndClamp = v => clamp(Math.round(v * 255), 0, 255).toString(16).padStart(2, '0');\n\nconst hexToObjectRGB = v => ({\n r: parseInt(v.substring(1, 3), 16) / 255,\n g: parseInt(v.substring(3, 5), 16) / 255,\n b: parseInt(v.substring(5, 7), 16) / 255,\n});\nconst objectRGBToHex = v => `#${scaleAndClamp(v.r)}${scaleAndClamp(v.g)}${scaleAndClamp(v.b)}`;\nconst hexToObjectRGBA = v => ({\n r: parseInt(v.substring(1, 3), 16) / 255,\n g: parseInt(v.substring(3, 5), 16) / 255,\n b: parseInt(v.substring(5, 7), 16) / 255,\n a: parseInt(v.substring(7, 9), 16) / 255,\n});\nconst objectRGBAToHex = v => `#${scaleAndClamp(v.r)}${scaleAndClamp(v.g)}${scaleAndClamp(v.b)}${scaleAndClamp(v.a)}`;\n\nconst hexToCssRGB = v => `rgb(${hexToUint8RGB(v).join(', ')})`;\nconst cssRGBRegex = /^\\s*rgb\\(\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*\\)\\s*$/;\nconst cssRGBToHex = v => {\n const m = cssRGBRegex.exec(v);\n return uint8RGBToHex([m[1], m[2], m[3]].map(v => parseInt(v)));\n};\nconst hexToCssRGBA = v => `rgba(${hexToUint8RGBA(v).map((v, i) => i === 3 ? v / 255 : v).join(', ')})`;\nconst cssRGBARegex = /^\\s*rgba\\(\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+\\.\\d+|\\d+)\\s*\\)\\s*$/;\nconst cssRGBAToHex = v => {\n const m = cssRGBARegex.exec(v);\n return uint8RGBAToHex([m[1], m[2], m[3], m[4]].map((v, i) => i === 3 ? (parseFloat(v) * 255 | 0) : parseInt(v)));\n};\n\nconst hexToCssHSL = v => {\n const hsl = rgbUint8ToHsl(hexToUint8RGB(v)).map(v => f0(v));\n return `hsl(${hsl[0]}, ${hsl[1]}%, ${hsl[2]}%)`;\n};\nconst hexToCssHSLA = v => {\n const hsla = rgbaUint8ToHsla(hexToUint8RGBA(v)).map((v, i) => i === 3 ? f3(v) : f0(v));\n return `hsl(${hsla[0]} ${hsla[1]}% ${hsla[2]}% / ${hsla[3]})`;\n};\nconst cssHSLRegex = /^\\s*hsl\\(\\s*(\\d+)(?:deg|)\\s*(?:,|)\\s*(\\d+)%\\s*(?:,|)\\s*(\\d+)%\\s*\\)\\s*$/;\nconst cssHSLARegex = /^\\s*hsl\\(\\s*(\\d+)(?:deg|)\\s*(?:,|)\\s*(\\d+)%\\s*(?:,|)\\s*(\\d+)%\\s*\\/\\s*(\\d+\\.\\d+|\\d+)\\s*\\)\\s*$/;\n\nconst hex3DigitTo6Digit = v => `${v[0]}${v[0]}${v[1]}${v[1]}${v[2]}${v[2]}`;\nconst cssHSLToHex = v => {\n const m = cssHSLRegex.exec(v);\n const rgb = hslToRgbUint8([m[1], m[2], m[3]].map(v => parseFloat(v)));\n return uint8RGBToHex(rgb);\n};\nconst cssHSLAToHex = v => {\n const m = cssHSLARegex.exec(v);\n const rgba = hslaToRgbaUint8([m[1], m[2], m[3], m[4]].map(v => parseFloat(v)));\n return uint8RGBAToHex(rgba);\n};\n\nconst euclideanModulo = (v, n) => ((v % n) + n) % n;\n\nexport function hslToRgbUint8([h, s, l]) {\n h = euclideanModulo(h, 360);\n s = clamp(s / 100, 0, 1);\n l = clamp(l / 100, 0, 1);\n\n const a = s * Math.min(l, 1 - l);\n\n function f(n) {\n const k = (n + h / 30) % 12;\n return l - a * Math.max(-1, Math.min(k - 3, 9 - k, 1));\n }\n\n return [f(0), f(8), f(4)].map(v => Math.round(v * 255));\n}\n\nexport function hslaToRgbaUint8([h, s, l, a]) {\n const rgb = hslToRgbUint8([h, s, l]);\n return [...rgb, a * 255 | 0];\n}\n\nexport function rgbFloatToHsl01([r, g, b]) {\n const max = Math.max(r, g, b);\n const min = Math.min(r, g, b);\n const l = (min + max) * 0.5;\n const d = max - min;\n let h = 0;\n let s = 0;\n\n if (d !== 0) {\n s = (l === 0 || l === 1)\n ? 0\n : (max - l) / Math.min(l, 1 - l);\n\n switch (max) {\n case r: h = (g - b) / d + (g < b ? 6 : 0); break;\n case g: h = (b - r) / d + 2; break;\n case b: h = (r - g) / d + 4;\n }\n }\n\n return [h / 6, s, l];\n}\n\nexport function rgbaFloatToHsla01([r, g, b, a]) {\n const hsl = rgbFloatToHsl01([r, g, b]);\n return [...hsl, a];\n}\n\nexport const rgbUint8ToHsl = (rgb) => {\n const [h, s, l] = rgbFloatToHsl01(rgb.map(v => v / 255));\n return [h * 360, s * 100, l * 100];\n};\n\nexport const rgbaUint8ToHsla = (rgba) => {\n const [h, s, l, a] = rgbaFloatToHsla01(rgba.map(v => v / 255));\n return [h * 360, s * 100, l * 100, a];\n};\n\nexport function hsv01ToRGBFloat([hue, sat, val]) {\n sat = clamp(sat, 0, 1);\n val = clamp(val, 0, 1);\n return [hue, hue + 2 / 3, hue + 1 / 3].map(\n v => lerp(1, clamp(Math.abs(fract(v) * 6 - 3.0) - 1, 0, 1), sat) * val\n );\n}\n\nexport function hsva01ToRGBAFloat([hue, sat, val, alpha]) {\n const rgb = hsv01ToRGBFloat([hue, sat, val]);\n return [...rgb, alpha];\n}\n\nconst round3 = v => Math.round(v * 1000) / 1000;\n\nexport function rgbFloatToHSV01([r, g, b]) {\n const p = b > g\n ? [b, g, -1, 2 / 3]\n : [g, b, 0, -1 / 3];\n const q = p[0] > r\n ? [p[0], p[1], p[3], r]\n : [r, p[1], p[2], p[0]];\n const d = q[0] - Math.min(q[3], q[1]);\n return [\n Math.abs(q[2] + (q[3] - q[1]) / (6 * d + Number.EPSILON)),\n d / (q[0] + Number.EPSILON),\n q[0],\n ].map(round3);\n}\n\nexport function rgbaFloatToHSVA01([r, g, b, a]) {\n const hsv = rgbFloatToHSV01([r, g, b]);\n return [...hsv, a];\n}\n\n// window.hsv01ToRGBFloat = hsv01ToRGBFloat;\n// window.rgbFloatToHSV01 = rgbFloatToHSV01;\n\n// Yea, meh!\nexport const hasAlpha = format => format.endsWith('a') || format.startsWith('hex8');\n\nconst cssStringFormats = [\n { re: /^#(?:[0-9a-f]){6}$/i, format: 'hex6' },\n { re: /^(?:[0-9a-f]){6}$/i, format: 'hex6-no-hash' },\n { re: /^#(?:[0-9a-f]){8}$/i, format: 'hex8' },\n { re: /^(?:[0-9a-f]){8}$/i, format: 'hex8-no-hash' },\n { re: /^#(?:[0-9a-f]){3}$/i, format: 'hex3' },\n { re: /^(?:[0-9a-f]){3}$/i, format: 'hex3-no-hash' },\n { re: cssRGBRegex, format: 'css-rgb' },\n { re: cssHSLRegex, format: 'css-hsl' },\n { re: cssRGBARegex, format: 'css-rgba' },\n { re: cssHSLARegex, format: 'css-hsla' },\n];\n\nfunction guessStringColorFormat(v) {\n for (const formatInfo of cssStringFormats) {\n if (formatInfo.re.test(v)) {\n return formatInfo;\n }\n }\n return undefined;\n}\n\nexport function guessFormat(v) {\n switch (typeof v) {\n case 'number':\n console.warn('can not reliably guess format based on a number. You should pass in a format like {format: \"uint32-rgb\"} or {format: \"uint32-rgb\"}');\n return v <= 0xFFFFFF ? 'uint32-rgb' : 'uint32-rgba';\n case 'string': {\n const formatInfo = guessStringColorFormat(v.trim());\n if (formatInfo) {\n return formatInfo.format;\n }\n break;\n }\n case 'object':\n if (v instanceof Uint8Array || v instanceof Uint8ClampedArray) {\n if (v.length === 3) {\n return 'uint8-rgb';\n } else if (v.length === 4) {\n return 'uint8-rgba';\n }\n } else if (v instanceof Float32Array) {\n if (v.length === 3) {\n return 'float-rgb';\n } else if (v.length === 4) {\n return 'float-rgba';\n }\n } else if (Array.isArray(v)) {\n if (v.length === 3) {\n return 'float-rgb';\n } else if (v.length === 4) {\n return 'float-rgba';\n }\n } else {\n if ('r' in v && 'g' in v && 'b' in v) {\n if ('a' in v) {\n return 'object-rgba';\n } else {\n return 'object-rgb';\n }\n }\n }\n }\n throw new Error(`unknown color format: ${v}`);\n}\n\nfunction fixHex6(v) {\n return v.trim(v);\n //const formatInfo = guessStringColorFormat(v.trim());\n //const fix = formatInfo ? formatInfo.fix : v => v;\n //return fix(v.trim());\n}\n\nfunction fixHex8(v) {\n return v.trim(v);\n //const formatInfo = guessStringColorFormat(v.trim());\n //const fix = formatInfo ? formatInfo.fix : v => v;\n //return fix(v.trim());\n}\n\nfunction hex6ToHex3(hex6) {\n return (hex6[1] === hex6[2] &&\n hex6[3] === hex6[4] &&\n hex6[5] === hex6[6])\n ? `#${hex6[1]}${hex6[3]}${hex6[5]}`\n : hex6;\n}\n\nconst hex3RE = /^(#|)([0-9a-f]{3})$/i;\nfunction hex3ToHex6(hex3) {\n const m = hex3RE.exec(hex3);\n if (m) {\n const [, , m2] = m;\n return `#${hex3DigitTo6Digit(m2)}`;\n }\n return hex3;\n}\n\nfunction fixHex3(v) {\n return hex6ToHex3(fixHex6(v));\n}\n\nconst strToRGBObject = (s) => {\n try {\n const json = s.replace(/([a-z])/g, '\"$1\"');\n const rgb = JSON.parse(json);\n if (Number.isNaN(rgb.r) || Number.isNaN(rgb.g) || Number.isNaN(rgb.b)) {\n throw new Error('not {r, g, b}');\n }\n return [true, rgb];\n } catch (e) {\n return [false];\n }\n};\n\nconst strToRGBAObject = (s) => {\n try {\n const json = s.replace(/([a-z])/g, '\"$1\"');\n const rgba = JSON.parse(json);\n if (Number.isNaN(rgba.r) || Number.isNaN(rgba.g) || Number.isNaN(rgba.b) || Number.isNaN(rgba.a)) {\n throw new Error('not {r, g, b, a}');\n }\n return [true, rgba];\n } catch (e) {\n return [false];\n }\n};\n\nconst strToCssRGB = s => {\n const m = cssRGBRegex.exec(s);\n if (!m) {\n return [false];\n }\n const v = [m[1], m[2], m[3]].map(v => parseInt(v));\n const outOfRange = v.find(v => v > 255);\n return [!outOfRange, `rgb(${v.join(', ')})`];\n};\n\nconst strToCssRGBA = s => {\n const m = cssRGBARegex.exec(s);\n if (!m) {\n return [false];\n }\n const v = [m[1], m[2], m[3], m[4]].map((v, i) => i === 3 ? parseFloat(v) : parseInt(v));\n const outOfRange = v.find(v => v > 255);\n return [!outOfRange, `rgba(${v.join(', ')})`];\n};\n\nconst strToCssHSL = s => {\n const m = cssHSLRegex.exec(s);\n if (!m) {\n return [false];\n }\n const v = [m[1], m[2], m[3]].map(v => parseFloat(v));\n const outOfRange = v.find(v => Number.isNaN(v));\n return [!outOfRange, `hsl(${v[0]}, ${v[1]}%, ${v[2]}%)`];\n};\n\nconst strToCssHSLA = s => {\n const m = cssHSLARegex.exec(s);\n if (!m) {\n return [false];\n }\n const v = [m[1], m[2], m[3], m[4]].map(v => parseFloat(v));\n const outOfRange = v.find(v => Number.isNaN(v));\n return [!outOfRange, `hsl(${v[0]} ${v[1]}% ${v[2]}% / ${v[3]})`];\n};\n\nconst rgbObjectToStr = rgb => {\n return `{r:${f3(rgb.r)}, g:${f3(rgb.g)}, b:${f3(rgb.b)}}`;\n};\nconst rgbaObjectToStr = rgba => {\n return `{r:${f3(rgba.r)}, g:${f3(rgba.g)}, b:${f3(rgba.b)}}, a:${f3(rgba.a)}}`;\n};\n\nconst strTo3IntsRE = /^\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*$/;\nconst strTo3Ints = s => {\n const m = strTo3IntsRE.exec(s);\n if (!m) {\n return [false];\n }\n const v = [m[1], m[2], m[3]].map(v => parseInt(v));\n const outOfRange = v.find(v => v > 255);\n return [!outOfRange, v];\n};\n\nconst strTo4IntsRE = /^\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*$/;\nconst strTo4Ints = s => {\n const m = strTo4IntsRE.exec(s);\n if (!m) {\n return [false];\n }\n const v = [m[1], m[2], m[3], m[4]].map(v => parseInt(v));\n const outOfRange = v.find(v => v > 255);\n return [!outOfRange, v];\n};\n\nconst strTo3Floats = s => {\n const numbers = s.split(',').map(s => s.trim());\n const v = numbers.map(v => parseFloat(v));\n if (v.length !== 3) {\n return [false];\n }\n // Note: using isNaN not Number.isNaN\n const badNdx = numbers.findIndex(v => isNaN(v));\n return [badNdx < 0, v.map(v => f3(v))];\n};\n\nconst strTo4Floats = s => {\n const numbers = s.split(',').map(s => s.trim());\n const v = numbers.map(v => parseFloat(v));\n if (v.length !== 4) {\n return [false];\n }\n // Note: using isNaN not Number.isNaN\n const badNdx = numbers.findIndex(v => isNaN(v));\n return [badNdx < 0, v.map(v => f3(v))];\n};\n\nconst strToUint32RGBRegex = /^\\s*(?:0x){0,1}([0-9a-z]{1,6})\\s*$/i;\nconst strToUint32RGB = s => {\n const m = strToUint32RGBRegex.exec(s);\n if (!m) {\n return [false];\n }\n return [true, parseInt(m[1], 16)];\n};\n\nconst strToUint32RGBARegex = /^\\s*(?:0x){0,1}([0-9a-z]{1,8})\\s*$/i;\nconst strToUint32RGBA = s => {\n const m = strToUint32RGBARegex.exec(s);\n if (!m) {\n return [false];\n }\n return [true, parseInt(m[1], 16)];\n};\n\nconst hex6RE = /^\\s*#[a-f0-9]{6}\\s*$|^\\s*#[a-f0-9]{3}\\s*$/i;\nconst hexNoHash6RE = /^\\s*[a-f0-9]{6}\\s*$/i;\nconst hex8RE = /^\\s*#[a-f0-9]{8}\\s*$/i;\nconst hexNoHash8RE = /^\\s*[a-f0-9]{8}\\s*$/i;\n\n// For each format converter\n//\n// fromHex/toHex convert from/to '#RRGGBB'\n//\n// fromHex converts from the string '#RRBBGG' to the format\n// (eg: for uint32-rgb, '#123456' becomes 0x123456)\n//\n// toHex converts from the format to '#RRGGBB'\n// (eg: for uint8-rgb, [16, 33, 50] becomes '#102132')\n//\n//\n// fromStr/toStr convert from/to what's in the input[type=text] element\n//\n// toStr converts from the format to its string representation\n// (eg, for object-rgb, {r: 1, g: 0.5, b:0} becomes \"{r: 1, g: 0.5, b:0}\")\n// ^object ^string\n//\n// fromStr converts its string representation to its format\n// (eg, for object-rgb) \"{r: 1, g: 0.5, b:0}\" becomes {r: 1, g: 0.5, b:0})\n// ^string ^object\n// fromString returns an array which is [valid, v]\n// where valid is true if the string was a valid and v is the converted\n// format if v is true.\n//\n// Note: toStr should convert to \"ideal\" form (whatever that is).\n// (eg, for css-rgb\n// \"{ r: 0.10000, g: 001, b: 0}\" becomes \"{r: 0.1, g: 1, b: 0}\"\n// notice that css-rgb is a string to a string\n// )\nexport const colorFormatConverters = {\n 'hex6': {\n color: {\n from: v => [true, v],\n to: fixHex6,\n },\n text: {\n from: v => [hex6RE.test(v), v.trim()],\n to: v => v,\n },\n },\n 'hex8': {\n color: {\n from: v => [true, v],\n to: fixHex8,\n },\n text: {\n from: v => [hex8RE.test(v), v.trim()],\n to: v => v,\n },\n },\n 'hex3': {\n color: {\n from: v => [true, fixHex3(v)],\n to: hex3ToHex6,\n },\n text: {\n from: v => [hex6RE.test(v), hex6ToHex3(v.trim())],\n to: v => v,\n },\n },\n 'hex6-no-hash': {\n color: {\n from: v => [true, v.substring(1)],\n to: v => `#${fixHex6(v)}`,\n },\n text: {\n from: v => [hexNoHash6RE.test(v), v.trim()],\n to: v => v,\n },\n },\n 'hex8-no-hash': {\n color: {\n from: v => [true, v.substring(1)],\n to: v => `#${fixHex8(v)}`,\n },\n text: {\n from: v => [hexNoHash8RE.test(v), v.trim()],\n to: v => v,\n },\n },\n 'hex3-no-hash': {\n color: {\n from: v => [true, fixHex3(v).substring(1)],\n to: hex3ToHex6,\n },\n text: {\n from: v => [hexNoHash6RE.test(v), hex6ToHex3(v.trim())],\n to: v => v,\n },\n },\n 'uint32-rgb': {\n color: {\n from: v => [true, hexToUint32RGB(v)],\n to: uint32RGBToHex,\n },\n text: {\n from: v => strToUint32RGB(v),\n to: v => `0x${v.toString(16).padStart(6, '0')}`,\n },\n },\n 'uint32-rgba': {\n color: {\n from: v => [true, hexToUint32RGBA(v)],\n to: uint32RGBAToHex,\n },\n text: {\n from: v => strToUint32RGBA(v),\n to: v => `0x${v.toString(16).padStart(8, '0')}`,\n },\n },\n 'uint8-rgb': {\n color: {\n from: v => [true, hexToUint8RGB(v)],\n to: uint8RGBToHex,\n },\n text: {\n from: strTo3Ints,\n to: v => v.join(', '),\n },\n },\n 'uint8-rgba': {\n color: {\n from: v => [true, hexToUint8RGBA(v)],\n to: uint8RGBAToHex,\n },\n text: {\n from: strTo4Ints,\n to: v => v.join(', '),\n },\n },\n 'float-rgb': {\n color: {\n from: v => [true, hexToFloatRGB(v)],\n to: floatRGBToHex,\n },\n text: {\n from: strTo3Floats,\n // need Array.from because map of Float32Array makes a Float32Array\n to: v => Array.from(v).map(v => f3(v)).join(', '),\n },\n },\n 'float-rgba': {\n color: {\n from: v => [true, hexToFloatRGBA(v)],\n to: floatRGBAToHex,\n },\n text: {\n from: strTo4Floats,\n // need Array.from because map of Float32Array makes a Float32Array\n to: v => Array.from(v).map(v => f3(v)).join(', '),\n },\n },\n 'object-rgb': {\n color: {\n from: v => [true, hexToObjectRGB(v)],\n to: objectRGBToHex,\n },\n text: {\n from: strToRGBObject,\n to: rgbObjectToStr,\n },\n },\n 'object-rgba': {\n color: {\n from: v => [true, hexToObjectRGBA(v)],\n to: objectRGBAToHex,\n },\n text: {\n from: strToRGBAObject,\n to: rgbaObjectToStr,\n },\n },\n 'css-rgb': {\n color: {\n from: v => [true, hexToCssRGB(v)],\n to: cssRGBToHex,\n },\n text: {\n from: strToCssRGB,\n to: v => strToCssRGB(v)[1],\n },\n },\n 'css-rgba': {\n color: {\n from: v => [true, hexToCssRGBA(v)],\n to: cssRGBAToHex,\n },\n text: {\n from: strToCssRGBA,\n to: v => strToCssRGBA(v)[1],\n },\n },\n 'css-hsl': {\n color: {\n from: v => [true, hexToCssHSL(v)],\n to: cssHSLToHex,\n },\n text: {\n from: strToCssHSL,\n to: v => strToCssHSL(v)[1],\n },\n },\n 'css-hsla': {\n color: {\n from: v => [true, hexToCssHSLA(v)],\n to: cssHSLAToHex,\n },\n text: {\n from: strToCssHSLA,\n to: v => strToCssHSLA(v)[1],\n },\n },\n};","import { createElem } from '../libs/elem.js';\nimport View from './View.js';\n\nexport default class ElementView extends View {\n constructor(tag, className) {\n super(createElem(tag, {className}));\n }\n}","import ElementView from '../views/ElementView.js';\nimport LabelController from './LabelController.js';\n\n// TODO: remove this? Should just be user side\nexport default class Canvas extends LabelController {\n #canvasElem;\n\n constructor() {\n super('muigui-canvas');\n this.#canvasElem = this.add(\n new ElementView('canvas', 'muigui-canvas'),\n ).domElement;\n }\n get canvas() {\n return this.#canvasElem;\n }\n}","import { createElem } from '../libs/elem.js';\nimport { identity } from '../libs/conversions.js';\nimport EditView from './EditView.js';\nimport { copyExistingProperties } from '../libs/utils.js';\n\nexport default class ColorView extends EditView {\n #to;\n #from;\n #colorElem;\n #skipUpdate;\n #options = {\n converters: identity,\n };\n\n constructor(setter, options) {\n const colorElem = createElem('input', {\n type: 'color',\n onInput: () => {\n const [valid, newV] = this.#from(colorElem.value);\n if (valid) {\n this.#skipUpdate = true;\n setter.setValue(newV);\n }\n },\n onChange: () => {\n const [valid, newV] = this.#from(colorElem.value);\n if (valid) {\n this.#skipUpdate = true;\n setter.setFinalValue(newV);\n }\n },\n });\n super(createElem('div', {}, [colorElem]));\n this.setOptions(options);\n this.#colorElem = colorElem;\n }\n updateDisplay(v) {\n if (!this.#skipUpdate) {\n this.#colorElem.value = this.#to(v);\n }\n this.#skipUpdate = false;\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n const {converters: {to, from}} = this.#options;\n this.#to = to;\n this.#from = from;\n return this;\n }\n}\n","import {\n colorFormatConverters,\n guessFormat,\n} from '../libs/color-utils.js';\nimport ValueController from './ValueController.js';\nimport TextView from '../views/TextView.js';\nimport ColorView from '../views/ColorView.js';\n\nexport default class Color extends ValueController {\n #colorView;\n #textView;\n\n constructor(object, property, options = {}) {\n super(object, property, 'muigui-color');\n const format = options.format || guessFormat(this.getValue());\n const {color, text} = colorFormatConverters[format];\n this.#colorView = this.add(new ColorView(this, {converters: color}));\n this.#textView = this.add(new TextView(this, {converters: text}));\n this.updateDisplay();\n }\n setOptions(options) {\n const {format} = options;\n if (format) {\n const {color, text} = colorFormatConverters[format];\n this.#colorView.setOptions({converters: color});\n this.#textView.setOptions({converters: text});\n }\n super.setOptions(options);\n return this;\n }\n}","import Controller from './Controller.js';\n\n// This feels like it should be something else like\n// gui.addController({className: 'muigui-divider')};\nexport default class Divider extends Controller {\n constructor() {\n super('muigui-divider');\n }\n}","import Controller from './Controller.js';\n\nexport default class Container extends Controller {\n #controllers;\n #childDestController;\n\n constructor(className) {\n super(className);\n this.#controllers = [];\n this.#childDestController = this;\n }\n get children() {\n return this.#controllers; // should we return a copy?\n }\n get controllers() {\n return this.#controllers.filter(c => !(c instanceof Container));\n }\n get folders() {\n return this.#controllers.filter(c => c instanceof Container);\n }\n reset(recursive = true) {\n for (const controller of this.#controllers) {\n if (!(controller instanceof Container) || recursive) {\n controller.reset(recursive);\n }\n }\n return this;\n }\n updateDisplay() {\n for (const controller of this.#controllers) {\n controller.updateDisplay();\n }\n return this;\n }\n remove(controller) {\n const ndx = this.#controllers.indexOf(controller);\n if (ndx >= 0) {\n const c = this.#controllers.splice(ndx, 1);\n const c0 = c[0];\n const elem = c0.domElement;\n elem.remove();\n c0.setParent(null);\n }\n return this;\n }\n #addControllerImpl(controller) {\n this.domElement.appendChild(controller.domElement);\n this.#controllers.push(controller);\n controller.setParent(this);\n return controller;\n }\n addController(controller) {\n return this.#childDestController.#addControllerImpl(controller);\n }\n pushContainer(container) {\n this.addController(container);\n this.#childDestController = container;\n return container;\n }\n popContainer() {\n this.#childDestController = this.#childDestController.parent;\n return this;\n }\n}\n","import { createElem } from '../libs/elem.js';\nimport Container from './Container.js';\n\nexport default class Folder extends Container {\n #labelElem;\n\n constructor(name = 'Controls', className = 'muigui-menu') {\n super(className);\n this.#labelElem = createElem('label');\n this.addElem(createElem('button', {\n type: 'button',\n onClick: () => this.toggleOpen(),\n }, [this.#labelElem]));\n this.pushContainer(new Container());\n this.name(name);\n this.open();\n }\n open(open = true) {\n this.domElement.classList.toggle('muigui-closed', !open);\n this.domElement.classList.toggle('muigui-open', open);\n return this;\n }\n close() {\n return this.open(false);\n }\n name(name) {\n this.#labelElem.textContent = name;\n return this;\n }\n title(title) {\n return this.name(title);\n }\n toggleOpen() {\n this.open(!this.domElement.classList.contains('muigui-open'));\n return this;\n }\n}\n","import Controller from './Controller.js';\n\n// This feels like it should be something else like\n// gui.addDividing = new Controller()\nexport default class Label extends Controller {\n constructor(text) {\n super('muigui-label');\n this.text(text);\n }\n text(text) {\n this.domElement.textContent = text;\n return this;\n }\n}","function noop() {\n}\n\nexport function computeRelativePosition(elem, event, start) {\n const rect = elem.getBoundingClientRect();\n const x = event.clientX - rect.left;\n const y = event.clientY - rect.top;\n const nx = x / rect.width;\n const ny = y / rect.height;\n start = start || [x, y];\n const dx = x - start[0];\n const dy = y - start[1];\n const ndx = dx / rect.width;\n const ndy = dy / rect.width;\n return {x, y, nx, ny, dx, dy, ndx, ndy};\n}\n\nexport function addTouchEvents(elem, {onDown = noop, onMove = noop, onUp = noop}) {\n let start;\n const pointerMove = function (event) {\n const e = {\n type: 'move',\n ...computeRelativePosition(elem, event, start),\n };\n onMove(e);\n };\n\n const pointerUp = function (event) {\n elem.releasePointerCapture(event.pointerId);\n elem.removeEventListener('pointermove', pointerMove);\n elem.removeEventListener('pointerup', pointerUp);\n\n document.body.style.backgroundColor = '';\n\n onUp('up');\n };\n\n const pointerDown = function (event) {\n elem.addEventListener('pointermove', pointerMove);\n elem.addEventListener('pointerup', pointerUp);\n elem.setPointerCapture(event.pointerId);\n\n const rel = computeRelativePosition(elem, event);\n start = [rel.x, rel.y];\n onDown({\n type: 'down',\n ...rel,\n });\n };\n\n elem.addEventListener('pointerdown', pointerDown);\n\n return function () {\n elem.removeEventListener('pointerdown', pointerDown);\n };\n}","import { createElem, getNewId } from '../libs/elem.js';\nimport { addTouchEvents } from '../libs/touch.js';\nimport { identity } from '../libs/conversions.js';\nimport { clamp } from '../libs/utils.js';\nimport EditView from './EditView.js';\nimport {\n hexToFloatRGB,\n hexToFloatRGBA,\n hsv01ToRGBFloat,\n hsva01ToRGBAFloat,\n rgbFloatToHSV01,\n rgbaFloatToHSVA01,\n floatRGBToHex,\n floatRGBAToHex,\n rgbaFloatToHsla01,\n} from '../libs/color-utils.js';\nimport { copyExistingProperties } from '../libs/utils.js';\n\nconst svg = `\n\n \n \n \n \n \n \n \n \n\n \n \n \n\n\n \n \n \n \n \n \n \n \n \n \n \n \n \n\n\n \n \n \n \n \n \n \n \n\n`;\n\nfunction connectFillTargets(elem) {\n elem.querySelectorAll('[data-src]').forEach(srcElem => {\n const id = getNewId();\n srcElem.id = id;\n elem.querySelectorAll(`[data-target=${srcElem.dataset.src}]`).forEach(targetElem => {\n targetElem.setAttribute('fill', `url(#${id})`);\n });\n });\n return elem;\n}\n\n// Was originally going to make alpha an option. Issue is\n// hard coded conversions?\nexport default class ColorChooserView extends EditView {\n #to;\n #from;\n #satLevelElem;\n #circleElem;\n #hueUIElem;\n #hueElem;\n #hueCursorElem;\n #alphaUIElem;\n #alphaElem;\n #alphaCursorElem;\n #hsva;\n #skipHueUpdate;\n #skipSatLevelUpdate;\n #skipAlphaUpdate;\n #options = {\n converters: identity,\n alpha: false,\n };\n #convertInternalToHex;\n #convertHexToInternal;\n\n constructor(setter, options) {\n super(createElem('div', {\n innerHTML: svg,\n className: 'muigui-no-scroll',\n }));\n this.#satLevelElem = this.domElement.children[0];\n this.#hueUIElem = this.domElement.children[1];\n this.#alphaUIElem = this.domElement.children[2];\n connectFillTargets(this.#satLevelElem);\n connectFillTargets(this.#hueUIElem);\n connectFillTargets(this.#alphaUIElem);\n this.#circleElem = this.$('.muigui-color-chooser-circle');\n this.#hueElem = this.$('[data-src=muigui-color-chooser-hue]');\n this.#hueCursorElem = this.$('.muigui-color-chooser-hue-cursor');\n this.#alphaElem = this.$('[data-src=muigui-color-chooser-alpha]');\n this.#alphaCursorElem = this.$('.muigui-color-chooser-alpha-cursor');\n\n const handleSatLevelChange = (e) => {\n const s = clamp(e.nx, 0, 1);\n const v = clamp(e.ny, 0, 1);\n this.#hsva[1] = s;\n this.#hsva[2] = (1 - v);\n this.#skipHueUpdate = true;\n this.#skipAlphaUpdate = true;\n const [valid, newV] = this.#from(this.#convertInternalToHex(this.#hsva));\n if (valid) {\n setter.setValue(newV);\n }\n };\n\n const handleHueChange = (e) => {\n const h = clamp(e.nx, 0, 1);\n this.#hsva[0] = h;\n this.#skipSatLevelUpdate = true;\n this.#skipAlphaUpdate = true;\n const [valid, newV] = this.#from(this.#convertInternalToHex(this.#hsva));\n if (valid) {\n setter.setValue(newV);\n }\n };\n\n const handleAlphaChange = (e) => {\n const a = clamp(e.nx, 0, 1);\n this.#hsva[3] = a;\n this.#skipHueUpdate = true;\n this.#skipSatLevelUpdate = true;\n const [valid, newV] = this.#from(this.#convertInternalToHex(this.#hsva));\n if (valid) {\n setter.setValue(newV);\n }\n };\n\n addTouchEvents(this.#satLevelElem, {\n onDown: handleSatLevelChange,\n onMove: handleSatLevelChange,\n });\n addTouchEvents(this.#hueUIElem, {\n onDown: handleHueChange,\n onMove: handleHueChange,\n });\n addTouchEvents(this.#alphaUIElem, {\n onDown: handleAlphaChange,\n onMove: handleAlphaChange,\n });\n this.setOptions(options);\n }\n updateDisplay(newV) {\n if (!this.#hsva) {\n this.#hsva = this.#convertHexToInternal(this.#to(newV));\n }\n {\n const [h, s, v, a = 1] = this.#convertHexToInternal(this.#to(newV));\n // Don't copy the hue if it was un-computable.\n if (!this.#skipHueUpdate) {\n this.#hsva[0] = s > 0.001 && v > 0.001 ? h : this.#hsva[0];\n }\n if (!this.#skipSatLevelUpdate) {\n this.#hsva[1] = s;\n this.#hsva[2] = v;\n }\n if (!this.#skipAlphaUpdate) {\n this.#hsva[3] = a;\n }\n }\n {\n const [h, s, v, a] = this.#hsva;\n const [hue, sat, lum] = rgbaFloatToHsla01(hsva01ToRGBAFloat(this.#hsva));\n\n if (!this.#skipHueUpdate) {\n this.#hueCursorElem.setAttribute('transform', `translate(${h * 64}, 0)`);\n }\n this.#hueElem.children[0].setAttribute('stop-color', `hsl(${hue * 360} 0% 100% / ${a})`);\n this.#hueElem.children[1].setAttribute('stop-color', `hsl(${hue * 360} 100% 50% / ${a})`);\n if (!this.#skipAlphaUpdate) {\n this.#alphaCursorElem.setAttribute('transform', `translate(${a * 64}, 0)`);\n }\n this.#alphaElem.children[0].setAttribute('stop-color', `hsl(${hue * 360} ${sat * 100}% ${lum * 100}% / 0)`);\n this.#alphaElem.children[1].setAttribute('stop-color', `hsl(${hue * 360} ${sat * 100}% ${lum * 100}% / 1)`);\n\n if (!this.#skipSatLevelUpdate) {\n this.#circleElem.setAttribute('cx', `${s * 64}`);\n this.#circleElem.setAttribute('cy', `${(1 - v) * 48}`);\n }\n }\n this.#skipHueUpdate = false;\n this.#skipSatLevelUpdate = false;\n this.#skipAlphaUpdate = false;\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n const {converters: {to, from}, alpha} = this.#options;\n this.#alphaUIElem.style.display = alpha ? '' : 'none';\n this.#convertInternalToHex = alpha\n ? v => floatRGBAToHex(hsva01ToRGBAFloat(v))\n : v => floatRGBToHex(hsv01ToRGBFloat(v));\n this.#convertHexToInternal = alpha\n ? v => rgbaFloatToHSVA01(hexToFloatRGBA(v))\n : v => rgbFloatToHSV01(hexToFloatRGB(v));\n this.#to = to;\n this.#from = from;\n return this;\n }\n}\n","import ElementView from '../views/ElementView.js';\nimport ValueController from './ValueController.js';\nimport { copyExistingProperties } from '../libs/utils.js';\nimport { createElem } from '../libs/elem.js';\n/*\n\nholder = new TabHolder\ntab = holder.add(new Tab(\"name\"))\ntab.add(...)\n\n\npc = new PopdownController\ntop = pc.add(new Row())\ntop.add(new Button());\nvalues = topRow.add(new Div())\nbottom = pc.add(new Row());\n\n\n\npc = new PopdownController\npc.addTop\npc.addTop\n\npc.addBottom\n\n\n*/\n\nexport default class PopDownController extends ValueController {\n #top;\n #valuesView;\n #checkboxElem;\n #bottom;\n #options = {\n open: false,\n };\n\n constructor(object, property, options = {}) {\n super(object, property, 'muigui-pop-down-controller');\n /*\n [ValueView\n [[B][values]] upper row\n [[ visual ]] lower row\n ]\n */\n this.#top = this.add(new ElementView('div', 'muigui-pop-down-top'));\n// this.#top.add(new CheckboxView(makeSetter(this.#options, 'open')));\n const checkboxElem = this.#top.addElem(createElem('input', {\n type: 'checkbox',\n onChange: () => {\n this.#options.open = checkboxElem.checked;\n this.updateDisplay();\n },\n }));\n this.#checkboxElem = checkboxElem;\n this.#valuesView = this.#top.add(new ElementView('div', 'muigui-pop-down-values'));\n this.#bottom = this.add(new ElementView('div', 'muigui-pop-down-bottom'));\n this.setOptions(options);\n }\n setKnobColor(bgCssColor/*, fgCssColor*/) {\n if (this.#checkboxElem) {\n this.#checkboxElem.style = `\n --range-color: ${bgCssColor};\n --value-bg-color: ${bgCssColor};\n `;\n }\n }\n updateDisplay() {\n super.updateDisplay();\n const {open} = this.#options;\n this.domElement.children[1].classList.toggle('muigui-open', open);\n this.domElement.children[1].classList.toggle('muigui-closed', !open);\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n super.setOptions(options);\n this.updateDisplay();\n }\n addTop(view) {\n return this.#valuesView.add(view);\n }\n addBottom(view) {\n return this.#bottom.add(view);\n }\n}","/* eslint-disable no-underscore-dangle */\nimport {\n colorFormatConverters,\n guessFormat,\n hasAlpha,\n hexToUint8RGB,\n hslToRgbUint8,\n rgbUint8ToHsl,\n uint8RGBToHex,\n} from '../libs/color-utils.js';\nimport ColorChooserView from '../views/ColorChooserView.js';\nimport TextView from '../views/TextView.js';\nimport PopDownController from './PopDownController.js';\n\nexport default class ColorChooser extends PopDownController {\n #colorView;\n #textView;\n #to;\n #setKnobHelper;\n\n constructor(object, property, options = {}) {\n super(object, property, 'muigui-color-chooser');\n const format = options.format || guessFormat(this.getValue());\n const {color, text} = colorFormatConverters[format];\n this.#to = color.to;\n this.#textView = new TextView(this, {converters: text, alpha: hasAlpha(format)});\n this.#colorView = new ColorChooserView(this, {converters: color, alpha: hasAlpha(format)});\n this.addTop(this.#textView);\n this.addBottom(this.#colorView);\n // WTF! FIX!\n this.#setKnobHelper = () => {\n if (this.#to) {\n const hex6Or8 = this.#to(this.getValue());\n const hsl = rgbUint8ToHsl(hexToUint8RGB(hex6Or8));\n hsl[2] = (hsl[2] + 50) % 100;\n const hex = uint8RGBToHex(hslToRgbUint8(hsl));\n this.setKnobColor(`${hex6Or8.substring(0, 7)}FF`, hex);\n }\n };\n this.updateDisplay();\n }\n updateDisplay() {\n super.updateDisplay();\n if (this.#setKnobHelper) {\n this.#setKnobHelper();\n }\n }\n setOptions(options) {\n super.setOptions(options);\n return this;\n }\n}\n","import { createElem } from '../libs/elem.js';\nimport View from '../views/View.js';\n\nfunction showCSS(ob) {\n if (ob.prototype.css) {\n showCSS(ob.prototype);\n }\n}\n\nexport default class Layout extends View {\n static css = 'bar';\n constructor(tag, className) {\n super(createElem(tag, {className}));\n\n showCSS(this);\n }\n}\n\n/*\nclass ValueController ?? {\n const row = this.add(new Row());\n const label = row.add(new Label());\n const div = row.add(new Div());\n const row = div.add(new Row());\n}\n*/\n\n/*\nclass MyCustomThing extends ValueController {\n constructor(object, property, options) {\n const topRow = this.add(new Row());\n const bottomRow = this.add(new Row());\n topRow.add(new NumberView());\n topRow.add(new NumberView());\n topRow.add(new NumberView());\n topRow.add(new NumberView());\n bottomRow.add(new DirectionView());\n bottomRow.add(new DirectionView());\n bottomRow.add(new DirectionView());\n bottomRow.add(new DirectionView());\n }\n}\n new Grid([\n [new\n ]\n */","import Layout from './Layout.js';\n\nexport default class Column extends Layout {\n constructor() {\n super('div', 'muigui-row');\n }\n}\n","import Layout from './Layout.js';\n\nexport default class Frame extends Layout {\n static css = 'foo';\n constructor() {\n super('div', 'muigui-frame');\n }\n static get foo() {\n return 'boo';\n }\n}\n","import Layout from './Layout.js';\n\nexport default class Grid extends Layout {\n constructor() {\n super('div', 'muigui-grid');\n }\n}\n","import Layout from './Layout.js';\n\nexport default class Row extends Layout {\n constructor() {\n super('div', 'muigui-row');\n }\n}\n","import css from './styles/muigui.css.js';\nimport {createElem} from './libs/elem.js';\nimport {createController} from './controllers/create-controller.js';\nimport {\n mapRange,\n makeRangeConverters,\n makeRangeOptions,\n makeMinMaxPair,\n} from './libs/utils.js';\nimport {\n converters\n} from './libs/conversions.js';\nimport {\n hasAlpha,\n guessFormat,\n} from './libs/color-utils.js';\nimport Canvas from './controllers/Canvas.js';\nimport Color from './controllers/Color.js';\nimport Divider from './controllers/Divider.js';\nimport Folder from './controllers/Folder.js';\nimport Label from './controllers/Label.js';\nimport Controller from './controllers/Controller.js';\nimport ColorChooser from './controllers/ColorChooser.js';\n\nimport Column from './layout/Column.js';\nimport Frame from './layout/Frame.js';\nimport Grid from './layout/Grid.js';\nimport Row from './layout/Row.js';\n\nexport {\n Column,\n Frame,\n Grid,\n Row,\n};\n\nexport class GUIFolder extends Folder {\n add(object, property, ...args) {\n const controller = object instanceof Controller\n ? object\n : createController(object, property, ...args);\n return this.addController(controller);\n }\n addCanvas(name) {\n return this.addController(new Canvas(name));\n }\n addColor(object, property, options = {}) {\n const value = object[property];\n if (hasAlpha(options.format || guessFormat(value))) {\n return this.addController(new ColorChooser(object, property, options));\n } else {\n return this.addController(new Color(object, property, options));\n }\n }\n addDivider() {\n return this.addController(new Divider());\n }\n addFolder(name) {\n return this.addController(new GUIFolder(name));\n }\n addLabel(text) {\n return this.addController(new Label(text));\n }\n}\n\nclass MuiguiElement extends HTMLElement {\n constructor() {\n super();\n this.shadow = this.attachShadow({mode: 'open'});\n }\n}\n\ncustomElements.define('muigui-element', MuiguiElement);\n\nconst baseStyleSheet = new CSSStyleSheet();\nbaseStyleSheet.replaceSync(css.default);\nconst userStyleSheet = new CSSStyleSheet();\n\nfunction makeStyleSheetUpdater(styleSheet) {\n let newCss;\n let newCssPromise;\n\n function updateStyle() {\n if (newCss && !newCssPromise) {\n const s = newCss;\n newCss = undefined;\n newCssPromise = styleSheet.replace(s).then(() => {\n newCssPromise = undefined;\n updateStyle();\n });\n }\n }\n\n return function updateStyleSheet(css) {\n newCss = css;\n updateStyle();\n };\n}\n\nconst updateBaseStyle = makeStyleSheetUpdater(baseStyleSheet);\nconst updateUserStyle = makeStyleSheetUpdater(userStyleSheet);\n\nexport class GUI extends GUIFolder {\n static converters = converters;\n static mapRange = mapRange;\n static makeRangeConverters = makeRangeConverters;\n static makeRangeOptions = makeRangeOptions;\n static makeMinMaxPair = makeMinMaxPair;\n #localStyleSheet = new CSSStyleSheet();\n\n constructor(options = {}) {\n super('Controls', 'muigui-root');\n if (options instanceof HTMLElement) {\n options = {parent: options};\n }\n const {\n autoPlace = true,\n width,\n title = 'Controls',\n } = options;\n let {\n parent,\n } = options;\n\n if (width) {\n this.domElement.style.width = /^\\d+$/.test(width) ? `${width}px` : width;\n }\n if (parent === undefined && autoPlace) {\n parent = document.body;\n this.domElement.classList.add('muigui-auto-place');\n }\n if (parent) {\n const muiguiElement = createElem('muigui-element');\n muiguiElement.shadowRoot.adoptedStyleSheets = [baseStyleSheet, userStyleSheet, this.#localStyleSheet];\n muiguiElement.shadow.appendChild(this.domElement);\n parent.appendChild(muiguiElement);\n }\n if (title) {\n this.title(title);\n }\n this.domElement.classList.add('muigui', 'muigui-colors');\n }\n setStyle(css) {\n this.#localStyleSheet.replace(css);\n }\n static setBaseStyles(css) {\n updateBaseStyle(css);\n }\n static getBaseStyleSheet() {\n return baseStyleSheet;\n }\n static setUserStyles(css) {\n updateUserStyle(css);\n }\n static getUserStyleSheet() {\n return userStyleSheet;\n }\n static setTheme(name) {\n GUI.setBaseStyles(`${css.default}\\n${css.themes[name] || ''}`);\n }\n}\n\nexport default GUI;\n","function noop() {\n}\n\nconst keyDirections = {\n ArrowLeft: [-1, 0],\n ArrowRight: [1, 0],\n ArrowUp: [0, -1],\n ArrowDown: [0, 1],\n};\n\n// This probably needs to be global\nexport function addKeyboardEvents(elem, {onDown = noop, onUp = noop}) {\n const keyDown = function (event) {\n const mult = event.shiftKey ? 10 : 1;\n const [dx, dy] = (keyDirections[event.key] || [0, 0]).map(v => v * mult);\n const fn = event.type === 'keydown' ? onDown : onUp;\n fn({\n type: event.type.substring(3),\n dx,\n dy,\n event,\n });\n };\n\n elem.addEventListener('keydown', keyDown);\n elem.addEventListener('keyup', keyDown);\n\n return function () {\n elem.removeEventListener('keydown', keyDown);\n elem.removeEventListener('keyup', keyDown);\n };\n}","export function assert(truthy, msg = '') {\n if (!truthy) {\n throw new Error(msg);\n }\n}","import { assert } from '../libs/assert.js';\n\nfunction getEllipsePointForAngle(cx, cy, rx, ry, phi, theta) {\n const m = Math.abs(rx) * Math.cos(theta);\n const n = Math.abs(ry) * Math.sin(theta);\n\n return [\n cx + Math.cos(phi) * m - Math.sin(phi) * n,\n cy + Math.sin(phi) * m + Math.cos(phi) * n,\n ];\n}\n\nfunction getEndpointParameters(cx, cy, rx, ry, phi, theta, dTheta) {\n const [x1, y1] = getEllipsePointForAngle(cx, cy, rx, ry, phi, theta);\n const [x2, y2] = getEllipsePointForAngle(cx, cy, rx, ry, phi, theta + dTheta);\n\n const fa = Math.abs(dTheta) > Math.PI ? 1 : 0;\n const fs = dTheta > 0 ? 1 : 0;\n\n return { x1, y1, x2, y2, fa, fs };\n}\n\nexport function arc(cx, cy, r, start, end) {\n assert(Math.abs(start - end) <= Math.PI * 2);\n assert(start >= -Math.PI && start <= Math.PI * 2);\n assert(start <= end);\n assert(end >= -Math.PI && end <= Math.PI * 4);\n\n const { x1, y1, x2, y2, fa, fs } = getEndpointParameters(cx, cy, r, r, 0, start, end - start);\n return Math.abs(Math.abs(start - end) - Math.PI * 2) > Number.EPSILON\n ? `M${cx} ${cy} L${x1} ${y1} A ${r} ${r} 0 ${fa} ${fs} ${x2} ${y2} L${cx} ${cy}`\n : `M${x1} ${y1} L${x1} ${y1} A ${r} ${r} 0 ${fa} ${fs} ${x2} ${y2}`;\n}\n","import { identity } from '../libs/conversions.js';\nimport { createElem } from '../libs/elem.js';\nimport { addKeyboardEvents } from '../libs/keyboard.js';\nimport { arc } from '../libs/svg.js';\nimport { addTouchEvents } from '../libs/touch.js';\nimport { createWheelHelper } from '../libs/wheel.js';\nimport { clamp, copyExistingProperties, euclideanModulo, lerp, stepify } from '../libs/utils.js';\nimport EditView from './EditView.js';\n\nconst svg = `\n\n \n \n \n \n \n \n \n\n`;\n\nconst twoPiMod = v => euclideanModulo(v + Math.PI, Math.PI * 2) - Math.PI;\n\nexport default class DirectionView extends EditView {\n #arrowElem;\n #rangeElem;\n #lastV;\n #wrap;\n #options = {\n step: 1,\n min: -180,\n max: 180,\n\n /*\n --------\n / -π/2 \\\n / | \\\n |<- -π * |\n | * 0 ->| zero is down the positive X axis\n |<- +π * |\n \\ | /\n \\ π/2 /\n --------\n */\n dirMin: -Math.PI,\n dirMax: Math.PI,\n //dirMin: Math.PI * 0.5,\n //dirMax: Math.PI * 2.5,\n //dirMin: -Math.PI * 0.75, // test 10:30 to 7:30\n //dirMax: Math.PI * 0.75,\n //dirMin: Math.PI * 0.75, // test 7:30 to 10:30\n //dirMax: -Math.PI * 0.75,\n //dirMin: -Math.PI * 0.75, // test 10:30 to 1:30\n //dirMax: -Math.PI * 0.25,\n //dirMin: Math.PI * 0.25, // test 4:30 to 7:30\n //dirMax: Math.PI * 0.75,\n //dirMin: Math.PI * 0.75, // test 4:30 to 7:30\n //dirMax: Math.PI * 0.25,\n wrap: undefined,\n converters: identity,\n };\n\n constructor(setter, options = {}) {\n const wheelHelper = createWheelHelper();\n super(createElem('div', {\n className: 'muigui-direction muigui-no-scroll',\n innerHTML: svg,\n onWheel: e => {\n e.preventDefault();\n const {min, max, step} = this.#options;\n const delta = wheelHelper(e, step);\n let tempV = this.#lastV + delta;\n if (this.#wrap) {\n tempV = euclideanModulo(tempV - min, max - min) + min;\n }\n const newV = clamp(stepify(tempV, v => v, step), min, max);\n setter.setValue(newV);\n },\n }));\n const handleTouch = (e) => {\n const {min, max, step, dirMin, dirMax} = this.#options;\n const nx = e.nx * 2 - 1;\n const ny = e.ny * 2 - 1;\n const a = Math.atan2(ny, nx);\n\n const center = (dirMin + dirMax) / 2;\n\n const centeredAngle = twoPiMod(a - center);\n const centeredStart = twoPiMod(dirMin - center);\n const diff = dirMax - dirMin;\n\n const n = clamp((centeredAngle - centeredStart) / (diff), 0, 1);\n const newV = stepify(min + (max - min) * n, v => v, step);\n setter.setValue(newV);\n };\n addTouchEvents(this.domElement, {\n onDown: handleTouch,\n onMove: handleTouch,\n });\n addKeyboardEvents(this.domElement, {\n onDown: (e) => {\n const {min, max, step} = this.#options;\n const newV = clamp(stepify(this.#lastV + e.dx * step, v => v, step), min, max);\n setter.setValue(newV);\n },\n });\n this.#arrowElem = this.$('#muigui-arrow');\n this.#rangeElem = this.$('#muigui-range');\n this.setOptions(options);\n }\n updateDisplay(v) {\n this.#lastV = v;\n const {min, max} = this.#options;\n const n = (v - min) / (max - min);\n const angle = lerp(this.#options.dirMin, this.#options.dirMax, n);\n this.#arrowElem.style.transform = `rotate(${angle}rad)`;\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n const {dirMin, dirMax, wrap} = this.#options;\n this.#wrap = wrap !== undefined\n ? wrap\n : Math.abs(dirMin - dirMax) >= Math.PI * 2 - Number.EPSILON;\n const [min, max] = dirMin < dirMax ? [dirMin, dirMax] : [dirMax , dirMin];\n this.#rangeElem.setAttribute('d', arc(0, 0, 28.87, min, max));\n }\n}\n","import { identity } from '../libs/conversions.js';\nimport DirectionView from '../views/DirectionView.js';\nimport NumberView from '../views/NumberView.js';\n// import ValueController from './ValueController.js';\nimport PopDownController from './PopDownController.js';\n\n\n// deg2rad\n// where is 0\n// range (0, 360), (-180, +180), (0,0) Really this is a range\n\nexport default class Direction extends PopDownController {\n #options;\n constructor(object, property, options) {\n super(object, property, 'muigui-direction');\nthis.#options = options; // FIX\n this.addTop(new NumberView(this,\nidentity));\n this.addBottom(new DirectionView(this, options));\n this.updateDisplay();\n }\n}\n\n","import { createElem } from '../libs/elem.js';\nimport { makeId } from '../libs/ids.js';\nimport EditView from './EditView.js';\n\nexport default class RadioGridView extends EditView {\n #values;\n\n constructor(setter, keyValues, cols = 3) {\n const values = [];\n const name = makeId();\n super(createElem('div', {}, keyValues.map(([key, value], ndx) => {\n values.push(value);\n return createElem('label', {}, [\n createElem('input', {\n type: 'radio',\n name,\n value: ndx,\n onChange: function () {\n if (this.checked) {\n setter.setFinalValue(that.#values[this.value]);\n }\n },\n }),\n createElem('button', {\n type: 'button',\n textContent: key,\n onClick: function () {\n this.previousElementSibling.click();\n },\n }),\n ]);\n })));\n // eslint-disable-next-line @typescript-eslint/no-this-alias\n const that = this;\n this.#values = values;\n this.cols(cols);\n }\n updateDisplay(v) {\n const ndx = this.#values.indexOf(v);\n for (let i = 0; i < this.domElement.children.length; ++i) {\n this.domElement.children[i].children[0].checked = i === ndx;\n }\n }\n cols(cols) {\n this.domElement.style.gridTemplateColumns = `repeat(${cols}, 1fr)`;\n }\n}\n","import RadioGridView from '../views/RadioGridView.js';\nimport ValueController from './ValueController.js';\nimport { convertToKeyValues } from '../libs/key-values.js';\n\nexport default class RadioGrid extends ValueController {\n constructor(object, property, options) {\n super(object, property, 'muigui-radio-grid');\n const valueIsNumber = typeof this.getValue() === 'number';\n const {\n keyValues: keyValuesInput,\n cols = 3,\n } = options;\n const keyValues = convertToKeyValues(keyValuesInput, valueIsNumber);\n this.add(new RadioGridView(this, keyValues, cols));\n this.updateDisplay();\n }\n}","export function onResize(elem, callback) {\n new ResizeObserver(() => {\n callback({rect: elem.getBoundingClientRect(), elem});\n }).observe(elem);\n}\n\nexport function onResizeSVGNoScale(elem, hAnchor, vAnchor, callback) {\n onResize(elem, ({rect}) => {\n const {width, height} = rect;\n elem.setAttribute('viewBox', `-${width * hAnchor} -${height * vAnchor} ${width} ${height}`);\n callback({elem, rect});\n });\n}\n\nexport function onResizeCanvas(elem, callback) {\n onResize(elem, ({rect}) => {\n const {width, height} = rect;\n elem.width = width;\n elem.height = height;\n callback({elem, rect});\n });\n}\n","import { createElem } from '../libs/elem.js';\nimport { addKeyboardEvents } from '../libs/keyboard.js';\nimport { addTouchEvents } from '../libs/touch.js';\nimport { createWheelHelper } from '../libs/wheel.js';\nimport { onResizeSVGNoScale } from '../libs/resize-helpers.js';\nimport { clamp, copyExistingProperties, stepify } from '../libs/utils.js';\nimport EditView from './EditView.js';\n\nconst svg = `\n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n`;\n\nfunction createSVGTicks(start, end, step, min, max, height) {\n const p = [];\n if (start < min) {\n start += stepify(min - start, v => v, step);\n }\n end = Math.min(end, max);\n for (let i = start; i <= end; i += step) {\n p.push(`M${i} 0 l0 ${height}`);\n }\n return p.join(' ');\n}\n\nfunction createSVGNumbers(start, end, unitSize, unit, minusSize, min, max, labelFn) {\n const texts = [];\n if (start < min) {\n start += stepify(min - start, v => v, unitSize);\n }\n end = Math.min(end, max);\n const digits = Math.max(0, -Math.log10(unit));\n const f = v => labelFn(v.toFixed(digits));\n for (let i = start; i <= end; i += unitSize) {\n texts.push(`= 0 ? i : (i - minusSize / 2) }\" y=\"0\">${f(i / unitSize * unit)}`);\n }\n return texts.join('\\n');\n}\n\nfunction computeSizeOfMinus(elem) {\n const oldHTML = elem.innerHTML;\n elem.innerHTML = '- ';\n const text = elem.querySelector('text');\n const size = text.getComputedTextLength();\n elem.innerHTML = oldHTML;\n return size;\n}\n\nexport default class SliderView extends EditView {\n #svgElem;\n #originElem;\n #ticksElem;\n #thicksElem;\n #numbersElem;\n #leftGradElem;\n #rightGradElem;\n #width;\n #height;\n #lastV;\n #minusSize;\n #options = {\n min: -100,\n max: 100,\n step: 1,\n unit: 10,\n unitSize: 10,\n ticksPerUnit: 5,\n labelFn: v => v,\n tickHeight: 1,\n limits: true,\n thicksColor: undefined,\n orientation: undefined,\n };\n\n constructor(setter, options) {\n const wheelHelper = createWheelHelper();\n super(createElem('div', {\n innerHTML: svg,\n className: 'muigui-no-v-scroll',\n onWheel: e => {\n e.preventDefault();\n const {min, max, step} = this.#options;\n const delta = wheelHelper(e, step);\n const newV = clamp(stepify(this.#lastV + delta, v => v, step), min, max);\n setter.setValue(newV);\n },\n }));\n this.#svgElem = this.$('svg');\n this.#originElem = this.$('#muigui-origin');\n this.#ticksElem = this.$('#muigui-ticks');\n this.#thicksElem = this.$('#muigui-thicks');\n this.#numbersElem = this.$('#muigui-numbers');\n this.#leftGradElem = this.$('#muigui-left-grad');\n this.#rightGradElem = this.$('#muigui-right-grad');\n this.setOptions(options);\n let startV;\n addTouchEvents(this.domElement, {\n onDown: () => {\n startV = this.#lastV;\n },\n onMove: (e) => {\n const {min, max, unitSize, unit, step} = this.#options;\n const newV = clamp(stepify(startV - e.dx / unitSize * unit, v => v, step), min, max);\n setter.setValue(newV);\n },\n });\n addKeyboardEvents(this.domElement, {\n onDown: (e) => {\n const {min, max, step} = this.#options;\n const newV = clamp(stepify(this.#lastV + e.dx * step, v => v, step), min, max);\n setter.setValue(newV);\n },\n });\n onResizeSVGNoScale(this.#svgElem, 0.5, 0, ({rect: {width}}) => {\n this.#leftGradElem.setAttribute('x', -width / 2);\n this.#rightGradElem.setAttribute('x', width / 2 - 20);\n this.#minusSize = computeSizeOfMinus(this.#numbersElem);\n this.#width = width;\n this.#updateSlider();\n });\n }\n // |--------V--------|\n // . . | . . . | . . . |\n //\n #updateSlider() {\n // There's no size if ResizeObserver has not fired yet.\n if (!this.#width || this.#lastV === undefined) {\n return;\n }\n const {\n labelFn,\n limits,\n min,\n max,\n orientation,\n tickHeight,\n ticksPerUnit,\n unit,\n unitSize,\n thicksColor,\n } = this.#options;\n const unitsAcross = Math.ceil(this.#width / unitSize);\n const center = this.#lastV;\n const centerUnitSpace = center / unit;\n const startUnitSpace = Math.round(centerUnitSpace - unitsAcross);\n const endUnitSpace = startUnitSpace + unitsAcross * 2;\n const start = startUnitSpace * unitSize;\n const end = endUnitSpace * unitSize;\n const minUnitSpace = limits ? min * unitSize / unit : start;\n const maxUnitSpace = limits ? max * unitSize / unit : end;\n const height = labelFn(1) === '' ? 10 : 5;\n if (ticksPerUnit > 1) {\n this.#ticksElem.setAttribute('d', createSVGTicks(start, end, unitSize / ticksPerUnit, minUnitSpace, maxUnitSpace, height * tickHeight));\n }\n this.#thicksElem.style.stroke = thicksColor; //setAttribute('stroke', thicksColor);\n this.#thicksElem.setAttribute('d', createSVGTicks(start, end, unitSize, minUnitSpace, maxUnitSpace, height));\n this.#numbersElem.innerHTML = createSVGNumbers(start, end, unitSize, unit, this.#minusSize, minUnitSpace, maxUnitSpace, labelFn);\n this.#originElem.setAttribute('transform', `translate(${-this.#lastV * unitSize / unit} 0)`);\n this.#svgElem.classList.toggle('muigui-slider-up', orientation === 'up');\n }\n updateDisplay(v) {\n this.#lastV = v;\n this.#updateSlider();\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n return this;\n }\n}\n","import ValueController from './ValueController.js';\nimport NumberView from '../views/NumberView.js';\nimport SliderView from '../views/SliderView.js';\n\nexport default class Slider extends ValueController {\n constructor(object, property, options = {}) {\n super(object, property, 'muigui-slider');\n this.add(new SliderView(this, options));\n this.add(new NumberView(this, options));\n this.updateDisplay();\n }\n}\n","import { createElem } from '../libs/elem.js';\nimport { addTouchEvents } from '../libs/touch.js';\nimport { onResizeSVGNoScale } from '../libs/resize-helpers.js';\nimport EditView from './EditView.js';\n\nconst svg = `\n\n \n \n \n \n \n\n`;\n\nexport default class Vec2View extends EditView {\n #svgElem;\n #arrowElem;\n #circleElem;\n #lastV = [];\n\n constructor(setter) {\n super(createElem('div', {\n innerHTML: svg,\n className: 'muigui-no-scroll',\n }));\n const onTouch = (e) => {\n const {width, height} = this.#svgElem.getBoundingClientRect();\n const nx = e.nx * 2 - 1;\n const ny = e.ny * 2 - 1;\n setter.setValue([nx * width * 0.5, ny * height * 0.5]);\n };\n addTouchEvents(this.domElement, {\n onDown: onTouch,\n onMove: onTouch,\n });\n this.#svgElem = this.$('svg');\n this.#arrowElem = this.$('#muigui-arrow');\n this.#circleElem = this.$('#muigui-circle');\n onResizeSVGNoScale(this.#svgElem, 0.5, 0.5, () => this.#updateDisplayImpl);\n }\n #updateDisplayImpl() {\n const [x, y] = this.#lastV;\n this.#arrowElem.setAttribute('d', `M0,0L${x},${y}`);\n this.#circleElem.setAttribute('transform', `translate(${x}, ${y})`);\n }\n updateDisplay(v) {\n this.#lastV[0] = v[0];\n this.#lastV[1] = v[1];\n this.#updateDisplayImpl();\n }\n}\n","import NumberView from '../views/NumberView.js';\nimport Vec2View from '../views/Vec2View.js';\nimport PopDownController from './PopDownController.js';\nimport { strToNumber } from '../libs/conversions.js';\n\n// TODO: zoom with wheel and pinch?\n// TODO: grid?\n// // options\n// scale:\n// range: number (both x and y + /)\n// range: array (min, max)\n// xRange:\n// deg/rad/turn\n\nexport default class Vec2 extends PopDownController {\n constructor(object, property) {\n super(object, property, 'muigui-vec2');\n\n const makeSetter = (ndx) => {\n return {\n setValue: (v) => {\n const newV = this.getValue();\n newV[ndx] = v;\n this.setValue(newV);\n },\n setFinalValue: (v) => {\n const newV = this.getValue();\n newV[ndx] = v;\n this.setFinalValue(newV);\n },\n };\n };\n\n this.addTop(new NumberView(makeSetter(0), {\n converters: {\n to: v => v[0],\n from: strToNumber.from,\n },\n }));\n this.addTop(new NumberView(makeSetter(1), {\n converters: {\n to: v => v[1],\n from: strToNumber.from,\n },\n }));\n this.addBottom(new Vec2View(this));\n this.updateDisplay();\n 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\ No newline at end of file diff --git a/dist/0.x/muigui.module.min.js b/dist/0.x/muigui.module.min.js new file mode 100644 index 0000000..6716365 --- /dev/null +++ b/dist/0.x/muigui.module.min.js @@ -0,0 +1,2 @@ +var t={default:'\n.muigui {\n --bg-color: #ddd;\n --color: #222;\n --contrast-color: #eee;\n --value-color: #145 ;\n --value-bg-color: #eeee;\n --disabled-color: #999;\n --menu-bg-color: #f8f8f8;\n --menu-sep-color: #bbb;\n --hover-bg-color: #999;\n --focus-color: #68C;\n --range-color: #888888;\n --invalid-color: #FF0000;\n --selected-color: rgb(255, 255, 255, 0.9);\n\n --button-bg-color: var(--value-bg-color);\n\n --range-left-color: var(--value-color);\n --range-right-color: var(--value-bg-color); \n --range-right-hover-color: var(--hover-bg-color);\n\n color: var(--color);\n background-color: var(--bg-color);\n}\n\n@media (prefers-color-scheme: dark) {\n .muigui {\n --bg-color: #222222;\n --color: #dddddd;\n --contrast-color: #000;\n --value-color: #43e5f7;\n --value-bg-color: #444444;\n --disabled-color: #666666;\n --menu-bg-color: #080808;\n --menu-sep-color: #444444;\n --hover-bg-color: #666666;\n --focus-color: #88AAFF;\n --range-color: #888888;\n --invalid-color: #FF6666;\n --selected-color: rgba(255, 255, 255, 0.3);\n\n --button-bg-color: var(--value-bg-color);\n\n --range-left-color: var(--value-color);\n --range-right-color: var(--value-bg-color); \n --range-right-hover-color: var(--hover-bg-color);\n\n color: var(--color);\n background-color: var(--bg-color);\n }\n}\n\n.muigui {\n --width: 250px;\n --label-width: 45%;\n --number-width: 40%;\n\n\n --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;\n --font-size: 11px;\n --font-family-mono: Menlo, Monaco, Consolas, "Droid Sans Mono", monospace;\n --font-size-mono: 11px;\n\n --line-height: 1.7em;\n --border-radius: 0px;\n\n width: var(--width);\n font-family: var(--font-family);\n font-size: var(--font-size);\n box-sizing: border-box;\n line-height: 100%;\n}\n.muigui * {\n box-sizing: inherit;\n}\n\n.muigui-no-scroll {\n touch-action: none;\n}\n.muigui-no-h-scroll {\n touch-action: pan-y;\n}\n.muigui-no-v-scroll {\n touch-action: pan-x;\n}\n\n.muigui-invalid-value {\n background-color: red !important;\n color: white !important;\n}\n\n.muigui-grid {\n display: grid;\n}\n.muigui-rows {\n display: flex;\n flex-direction: column;\n\n min-height: 20px;\n border: 2px solid red;\n}\n.muigui-columns {\n display: flex;\n flex-direction: row;\n\n height: 20px;\n border: 2px solid green;\n}\n.muigui-rows>*,\n.muigui-columns>* {\n flex: 1 1 auto;\n align-items: stretch;\n min-height: 0;\n min-width: 0;\n}\n\n.muigui-row {\n border: 2px solid yellow;\n min-height: 10px\n}\n.muigui-column {\n border: 2px solid lightgreen;\n}\n\n/* -------- */\n\n.muigui-show { /* */ }\n.muigui-hide { \n display: none !important;\n}\n.muigui-disabled {\n pointer-events: none;\n --color: var(--disabled-color) !important;\n --value-color: 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var(--number-width));\n}\n.muigui-value>*:nth-child(2) {\n flex: 1 1 var(--number-width);\n margin-left: 0.2em;\n}\n\n/* fix! */\n.muigui-open>button>label::before,\n.muigui-closed>button>label::before {\n width: 1.25em;\n height: var(--line-height);\n display: inline-grid;\n place-content: center start;\n pointer-events: none;\n}\n.muigui-open>button>label::before {\n content: "ⓧ"; /*"▼";*/\n}\n.muigui-closed>button>label::before {\n content: "⨁"; /*"▶";*/\n}\n.muigui-open>*:nth-child(2) {\n transition: max-height 0.2s ease-out,\n opacity 0.5s ease-out;\n max-height: 100vh;\n overflow: auto;\n opacity: 1;\n}\n\n.muigui-closed>*:nth-child(2) {\n transition: max-height 0.2s ease-out,\n opacity 1s;\n max-height: 0;\n opacity: 0;\n overflow: hidden;\n}\n\n/* ---- popdown ---- */\n\n.muigui-pop-down-top {\n display: flex;\n}\n/* fix? */\n.muigui-value>*:nth-child(1).muigui-pop-down-top {\n flex: 0;\n}\n.muigui-pop-down-bottom {\n\n}\n\n.muigui-pop-down-values {\n min-width: 0;\n display: flex;\n}\n.muigui-pop-down-values>* {\n flex: 1 1 auto;\n min-width: 0;\n}\n\n.muigui-value.muigui-pop-down-controller {\n flex-direction: column;\n}\n\n.muigui-pop-down-top input[type=checkbox] {\n -webkit-appearance: none;\n appearance: none;\n width: auto;\n color: var(--value-color);\n background-color: var(--value-bg-color);\n cursor: pointer;\n\n display: grid;\n place-content: center;\n margin: 0;\n font: inherit;\n color: currentColor;\n width: 1.7em;\n height: 1.7em;\n transform: translateY(-0.075em);\n}\n\n.muigui-pop-down-top input[type=checkbox]::before {\n content: "+";\n display: grid;\n place-content: center;\n border-radius: calc(var(--border-radius) + 2px);\n border-left: 1px solid rgba(255,255,255,0.3);\n border-top: 1px solid rgba(255,255,255,0.3);\n border-bottom: 1px solid rgba(0,0,0,0.2);\n border-right: 1px solid rgba(0,0,0,0.2);\n background-color: var(--range-color);\n color: var(--value-bg-color);\n width: calc(var(--line-height) - 4px);\n height: calc(var(--line-height) - 4px);\n}\n\n.muigui-pop-down-top input[type=checkbox]:checked::before {\n content: "Ｘ";\n}\n\n\n/* ---- select ---- */\n\n.muigui select,\n.muigui option,\n.muigui input,\n.muigui button {\n color: var(--value-color);\n background-color: var(--value-bg-color);\n font-family: var(--font-family);\n font-size: var(--font-size);\n border: none;\n margin: 0;\n border-radius: var(--border-radius);\n}\n.muigui select {\n appearance: none;\n margin: 0;\n margin-left: 0; /*?*/\n overflow: hidden; /* Safari */\n}\n\n.muigui select:focus,\n.muigui input:focus,\n.muigui button:focus {\n outline: 1px solid var(--focus-color);\n}\n\n.muigui select:hover,\n.muigui option:hover,\n.muigui input:hover,\n.muigui button:hover {\n background-color: var(--hover-bg-color); \n}\n\n/* ------ [ label ] ------ */\n\n.muigui-label {\n border-top: 1px solid var(--menu-sep-color);\n border-bottom: 1px solid var(--menu-sep-color);\n padding-top: 0.4em;\n padding-bottom: 0.3em;\n place-content: center start;\n background-color: var(--menu-bg-color);\n white-space: pre;\n border-radius: var(--border-radius);\n}\n\n/* ------ [ divider] ------ */\n\n.muigui-divider {\n min-height: 6px;\n border-top: 2px solid var(--menu-sep-color);\n margin-top: 6px;\n}\n\n/* ------ [ button ] ------ */\n\n.muigui-button {\n display: grid;\n\n}\n.muigui-button button {\n border: none;\n color: var(--value-color);\n background-color: var(--button-bg-color);\n cursor: pointer;\n place-content: center center;\n}\n\n/* ------ [ color ] ------ */\n\n.muigui-color>div {\n overflow: hidden;\n position: relative;\n margin-left: 0;\n margin-right: 0; /* why? */\n max-width: var(--line-height);\n border-radius: var(--border-radius);\n}\n\n.muigui-color>div:focus-within {\n outline: 1px solid var(--focus-color);\n}\n\n.muigui-color input[type=color] {\n border: none;\n padding: 0;\n background: inherit;\n cursor: pointer;\n position: absolute;\n width: 200%;\n left: -10px;\n top: -10px;\n height: 200%;\n}\n.muigui-disabled canvas,\n.muigui-disabled svg,\n.muigui-disabled img,\n.muigui-disabled .muigui-color input[type=color] {\n opacity: 0.2;\n}\n\n/* ------ [ checkbox ] ------ */\n\n.muigui-checkbox>label:nth-child(2) {\n display: grid;\n place-content: center start;\n margin: 0;\n}\n\n.muigui-checkbox input[type=checkbox] {\n -webkit-appearance: none;\n appearance: none;\n width: auto;\n color: var(--value-color);\n background-color: var(--value-bg-color);\n cursor: pointer;\n\n display: grid;\n place-content: center;\n margin: 0;\n font: inherit;\n color: currentColor;\n width: 1.7em;\n height: 1.7em;\n transform: translateY(-0.075em);\n}\n\n.muigui-checkbox input[type=checkbox]::before {\n content: "";\n color: var(--value-color);\n display: grid;\n place-content: center;\n}\n\n.muigui-checkbox input[type=checkbox]:checked::before {\n content: "✔";\n}\n\n.muigui input[type=number]::-webkit-inner-spin-button, \n.muigui input[type=number]::-webkit-outer-spin-button { \n -webkit-appearance: none;\n appearance: none;\n margin: 0; \n}\n.muigui input[type=number] {\n -moz-appearance: textfield;\n}\n\n/* ------ [ radio grid ] ------ */\n\n.muigui-radio-grid>div {\n display: grid;\n gap: 2px;\n}\n\n.muigui-radio-grid input {\n appearance: none;\n display: none;\n}\n\n.muigui-radio-grid button {\n color: var(--color);\n width: 100%;\n text-align: left;\n}\n\n.muigui-radio-grid input:checked + button {\n color: var(--value-color);\n background-color: var(--selected-color);\n}\n\n/* ------ [ color-chooser ] ------ */\n\n.muigui-color-chooser-cursor {\n stroke-width: 1px;\n stroke: white;\n fill: none;\n}\n.muigui-color-chooser-circle {\n stroke-width: 1px;\n stroke: white;\n fill: none;\n}\n\n\n/* ------ [ vec2 ] ------ */\n\n.muigui-vec2 svg {\n background-color: var(--value-bg-color);\n}\n\n.muigui-vec2-axis {\n stroke: 1px;\n stroke: var(--focus-color);\n}\n\n.muigui-vec2-line {\n stroke-width: 1px;\n stroke: var(--value-color);\n fill: var(--value-color);\n}\n\n/* ------ [ direction ] ------ */\n\n.muigui-direction svg {\n background-color: rgba(0,0,0,0.2);\n}\n\n.muigui-direction:focus-within svg {\n outline: none;\n}\n.muigui-direction-range {\n fill: var(--value-bg-color);\n}\n.muigui-direction svg:focus {\n outline: none;\n}\n.muigui-direction svg:focus .muigui-direction-range {\n stroke-width: 0.5px;\n stroke: var(--focus-color);\n}\n\n.muigui-direction-arrow {\n fill: var(--value-color);\n}\n\n/* ------ [ slider ] ------ */\n\n.muigui-slider>div {\n display: flex;\n align-items: stretch;\n height: var(--line-height);\n}\n.muigui-slider svg {\n flex: 1 1 auto;\n}\n.muigui-slider .muigui-slider-up #muigui-orientation {\n transform: scale(1, -1) translateY(-100%);\n}\n\n.muigui-slider .muigui-slider-up #muigui-number-orientation {\n transform: scale(1,-1);\n}\n\n.muigui-ticks {\n stroke: var(--range-color);\n}\n.muigui-thicks {\n stroke: var(--color);\n stroke-width: 2px;\n}\n.muigui-svg-text {\n fill: var(--color);\n font-size: 7px;\n}\n.muigui-mark {\n fill: var(--value-color);\n}\n\n/* ------ [ range ] ------ */\n\n\n.muigui-range input[type=range] {\n -webkit-appearance: none;\n appearance: none;\n background-color: transparent;\n}\n\n.muigui-range input[type=range]::-webkit-slider-thumb {\n -webkit-appearance: none;\n appearance: none;\n border-radius: calc(var(--border-radius) + 2px);\n border-left: 1px solid rgba(255,255,255,0.3);\n border-top: 1px solid rgba(255,255,255,0.3);\n border-bottom: 1px solid rgba(0,0,0,0.2);\n border-right: 1px solid rgba(0,0,0,0.2);\n background-color: var(--range-color);\n margin-top: calc((var(--line-height) - 2px) / -2);\n width: calc(var(--line-height) - 2px);\n height: calc(var(--line-height) - 2px);\n}\n\n.muigui-range input[type=range]::-webkit-slider-runnable-track {\n -webkit-appearance: none;\n appearance: none;\n border: 1px solid var(--menu-sep-color);\n height: 2px;\n}\n\n\n/* dat.gui style - doesn\'t work on Safari iOS */\n\n/*\n.muigui-range input[type=range] {\n cursor: ew-resize;\n overflow: hidden;\n}\n\n.muigui-range input[type=range] {\n -webkit-appearance: none;\n appearance: none;\n background-color: var(--range-right-color);\n margin: 0;\n}\n.muigui-range input[type=range]:hover {\n background-color: var(--range-right-hover-color);\n}\n\n.muigui-range input[type=range]::-webkit-slider-runnable-track {\n -webkit-appearance: none;\n appearance: none;\n height: max-content;\n color: var(--range-left-color);\n margin-top: -1px;\n}\n\n.muigui-range input[type=range]::-webkit-slider-thumb {\n -webkit-appearance: none;\n appearance: none;\n width: 0px;\n height: max-content;\n box-shadow: -1000px 0 0 1000px var(--range-left-color);\n}\n*/\n\n/* FF */\n/*\n.muigui-range input[type=range]::-moz-slider-progress {\n background-color: var(--range-left-color); \n}\n.muigui-range input[type=range]::-moz-slider-thumb {\n height: max-content;\n width: 0;\n border: none;\n box-shadow: -1000px 0 0 1000px var(--range-left-color);\n box-sizing: border-box;\n}\n*/\n\n.muigui-checkered-background {\n background-color: #404040;\n background-image:\n linear-gradient(45deg, #808080 25%, transparent 25%),\n linear-gradient(-45deg, #808080 25%, transparent 25%),\n linear-gradient(45deg, transparent 75%, #808080 75%),\n linear-gradient(-45deg, transparent 75%, #808080 75%);\n background-size: 16px 16px;\n background-position: 0 0, 0 8px, 8px -8px, -8px 0px;\n}\n\n/* ---------------------------------------------------------- */\n\n/* needs to be at bottom to take precedence */\n.muigui-auto-place {\n max-height: 100%;\n position: fixed;\n top: 0;\n right: 15px;\n z-index: 100001;\n}\n\n',themes:{default:"",float:"\n :root {\n color-scheme: light dark,\n }\n\n .muigui {\n --width: 400px;\n --bg-color: initial;\n --label-width: 25%;\n --number-width: 20%;\n }\n\n input,\n .muigui-label-controller>label {\n text-shadow:\n -1px -1px 0 var(--contrast-color),\n 1px -1px 0 var(--contrast-color),\n -1px 1px 0 var(--contrast-color),\n 1px 1px 0 var(--contrast-color);\n }\n\n .muigui-controller > label:nth-child(1) {\n place-content: center end;\n margin-right: 1em;\n }\n\n .muigui-value > :nth-child(2) {\n margin-left: 1em;\n }\n\n .muigui-root>*:nth-child(1) {\n display: none;\n }\n\n .muigui-range input[type=range]::-webkit-slider-thumb {\n border-radius: 1em;\n }\n\n .muigui-range input[type=range]::-webkit-slider-runnable-track {\n -webkit-appearance: initial;\n appearance: none;\n border: 1px solid rgba(0, 0, 0, 0.25);\n height: 2px;\n }\n\n .muigui-colors {\n --value-color: var(--color );\n --value-bg-color: rgba(0, 0, 0, 0.1);\n --disabled-color: #cccccc;\n --menu-bg-color: rgba(0, 0, 0, 0.1);\n --menu-sep-color: #bbbbbb;\n --hover-bg-color: rgba(0, 0, 0, 0);\n --invalid-color: #FF0000;\n --selected-color: rgba(0, 0, 0, 0.3);\n --range-color: rgba(0, 0, 0, 0.125);\n }\n"}};function e(t,e={},n=[]){const i=document.createElement(t);return function(t,e,n){for(const[n,i]of Object.entries(e))if("function"==typeof i&&n.startsWith("on")){const e=n.substring(2).toLowerCase();t.addEventListener(e,i,{passive:!1})}else if("object"==typeof i)for(const[e,o]of Object.entries(i))t[n][e]=o;else void 0===t[n]?t.setAttribute(n,i):t[n]=i;for(const e of n)t.appendChild(e)}(i,e,n),i}let n=0;function i(t,e){const n=t.indexOf(e);return n&&t.splice(n,1),t}function o(t,e,n){return Math.max(e,Math.min(n,t))}const r="undefined"!=typeof SharedArrayBuffer?function(t){return t&&t.buffer&&(t.buffer instanceof ArrayBuffer||t.buffer instanceof SharedArrayBuffer)}:function(t){return t&&t.buffer&&t.buffer instanceof ArrayBuffer},s=(t,e,n)=>Math.round(e(t)/n)/(1/n),a=(t,e)=>(t%e+e)%e;function l(t,e){for(const n in e)n in t&&(t[n]=e[n]);return t}const u=(t,e,n,i,o)=>(t-e)*(o-i)/(n-e)+i,c=({from:t,to:e})=>({to:n=>u(n,...t,...e),from:n=>[!0,u(n,...e,...t)]}),h=({from:t,to:e,step:n})=>({min:e[0],max:e[1],...n&&{step:n},converters:c({from:t,to:e})}),d={to:t=>t,from:t=>[!0,t]};function p(t,e,n,i,o){const{converters:{from:r}=d}=o,{min:s,max:a}=o,l=o.minRange||0,u=r(l)[1],c=t.add(e,n,{...o,min:s,max:a-l}).onChange((t=>{h.setValue(Math.min(a,Math.max(t+u,e[i])))})),h=t.add(e,i,{...o,min:s+l,max:a}).onChange((t=>{c.setValue(Math.max(s,Math.min(t-u,e[n])))}));return[c,h]}class m{domElement;#t;#e=[];constructor(t){this.domElement=t,this.#t=t}addElem(t){return this.#t.appendChild(t),t}removeElem(t){return this.#t.removeChild(t),t}pushSubElem(t){this.#t.appendChild(t),this.#t=t}popSubElem(){this.#t=this.#t.parentElement}add(t){return this.#e.push(t),this.addElem(t.domElement),t}remove(t){return this.removeElem(t.domElement),i(this.#e,t),t}pushSubView(t){this.pushSubElem(t.domElement)}popSubView(){this.popSubElem()}setOptions(t){for(const e of this.#e)e.setOptions(t)}updateDisplayIfNeeded(t,e){for(const n of this.#e)n.updateDisplayIfNeeded(t,e);return this}$(t){return this.domElement.querySelector(t)}}class g extends m{#n;#i;#o;constructor(t){super(e("div",{className:"muigui-controller"})),this.#n=[],this.#i=[],t&&this.domElement.classList.add(t)}get parent(){return this.#o}setParent(t){this.#o=t,this.enable(!this.disabled())}show(t=!0){return this.domElement.classList.toggle("muigui-hide",!t),this.domElement.classList.toggle("muigui-show",t),this}hide(){return this.show(!1)}disabled(){return!!this.domElement.closest(".muigui-disabled")}enable(t=!0){return this.domElement.classList.toggle("muigui-disabled",!t),["input","button","select","textarea"].forEach((t=>{this.domElement.querySelectorAll(t).forEach((t=>{const e=!!t.closest(".muigui-disabled");t.disabled=e}))})),this}disable(t=!0){return this.enable(!t)}onChange(t){return this.removeChange(t),this.#n.push(t),this}removeChange(t){return i(this.#n,t),this}onFinishChange(t){return this.removeFinishChange(t),this.#i.push(t),this}removeFinishChange(t){return i(this.#i,t),this}#r(t,e){for(const n of t)n.call(this,e)}emitChange(t,e,n){this.#r(this.#n,t),this.#o&&(void 0===e?this.#o.emitChange(t):this.#o.emitChange({object:e,property:n,value:t,controller:this}))}emitFinalChange(t,e,n){this.#r(this.#i,t),this.#o&&(void 0===e?this.#o.emitChange(t):this.#o.emitFinalChange({object:e,property:n,value:t,controller:this}))}updateDisplay(){}getColors(){const t=t=>t.replace(/-([a-z])/g,((t,e)=>e.toUpperCase())),n=e("div");this.domElement.appendChild(n);const i=Object.fromEntries(["color","bg-color","value-color","value-bg-color","hover-bg-color","menu-bg-color","menu-sep-color","disabled-color"].map((e=>{n.style.color=`var(--${e})`;const i=getComputedStyle(n);return[t(e),i.color]})));return n.remove(),i}}class f extends g{#s;#a;#l;#u={name:""};constructor(t,n,i={}){super("muigui-button",""),this.#s=t,this.#a=n,this.#l=this.addElem(e("button",{type:"button",onClick:()=>{this.#s[this.#a](this)}})),this.setOptions({name:n,...i})}setOptions(t){l(this.#u,t);const{name:e}=this.#u;this.#l.textContent=e}}function b(t,e){if(t.length!==e.length)return!1;for(let n=0;n{t.setValue(i.checked)},onChange:()=>{t.setFinalValue(i.checked)}});super(e("label",{},[i])),this.#b=i}updateDisplay(t){this.#b.checked=t}}const w=[],y=new Set;let k,E;function $(){k=void 0,E=!0;for(const t of w)y.has(t)||t();E=!1,y.size&&(E?C():(y.forEach((t=>{i(w,t)})),y.clear())),C()}function C(){!k&&w.length&&(k=requestAnimationFrame($))}let V=0;function I(){return"muigui-"+ ++V}class M extends m{constructor(t=""){super(e("div",{className:"muigui-value"})),t&&this.domElement.classList.add(t)}}class S extends g{#v;#x;constructor(t="",n=""){super("muigui-label-controller"),this.#v=I(),this.#x=e("label",{for:this.#v}),this.domElement.appendChild(this.#x),this.pushSubView(new M(t)),this.name(n)}get id(){return this.#v}name(t){return this.#x.title===this.#x.textContent&&(this.#x.title=t),this.#x.textContent=t,this}tooltip(t){this.#x.title=t}}class D extends S{#s;#a;#w;#y;#e;#k;constructor(t,e,n=""){super(n,e),this.#s=t,this.#a=e,this.#w=this.getValue(),this.#y=!1,this.#e=[]}get initialValue(){return this.#w}get object(){return this.#s}get property(){return this.#a}add(t){return this.#e.push(t),super.add(t),this.updateDisplay(),t}#E(t,e){let n=!1;if("object"==typeof t){const e=this.#s[this.#a];if(Array.isArray(t)||r(t))for(let i=0;i=0&&w.splice(e,1)}(this.#k)),this}}class N extends D{constructor(t,e){super(t,e,"muigui-checkbox");const n=this.id;this.add(new x(this,n)),this.updateDisplay()}}const F={to:t=>t,from:t=>[!0,t]},A={to:t=>t.toString(),from:t=>{const e=parseFloat(t);return[!Number.isNaN(e),e]}},U={radToDeg:c({to:[0,180],from:[0,Math.PI]})};function L(){let t=0;return function(e,n,i=5){t-=e.deltaY*n/i;const o=Math.floor(Math.abs(t)/n)*Math.sign(t)*n;return t-=o,o}}class O extends v{#$;#C;#V;#I;#u={step:.01,converters:A,min:Number.NEGATIVE_INFINITY,max:Number.POSITIVE_INFINITY};constructor(t,n){const i=t.setValue.bind(t),r=t.setFinalValue.bind(t),a=L();super(e("input",{type:"number",onInput:()=>this.#M(i,!0),onChange:()=>this.#M(r,!1),onWheel:e=>{e.preventDefault();const{min:n,max:i,step:r}=this.#u,l=a(e,r),u=parseFloat(this.domElement.value),c=o(s(u+l,(t=>t),r),n,i);t.setValue(c)}})),this.setOptions(n)}#M(t,e){const n=parseFloat(this.domElement.value),[i,r]=this.#C(n);let s;if(i&&!Number.isNaN(n)){const{min:n,max:i}=this.#u;s=r>=n&&r<=i,this.#I=e,t(o(r,n,i))}this.domElement.classList.toggle("muigui-invalid-value",!i||!s)}updateDisplay(t){this.#I||(this.domElement.value=s(t,this.#$,this.#V)),this.#I=!1}setOptions(t){l(this.#u,t);const{step:e,converters:{to:n,from:i}}=this.#u;return this.#$=n,this.#C=i,this.#V=e,this}}class j extends D{#S;#V;constructor(t,e,n={}){super(t,e,"muigui-checkbox"),this.#S=this.add(new O(this,n)),this.updateDisplay()}}class T extends v{#D;constructor(t,n){const i=[];super(e("select",{onChange:()=>{t.setFinalValue(this.#D[this.domElement.selectedIndex])}},n.map((([t,n])=>(i.push(n),e("option",{textContent:t})))))),this.#D=i}updateDisplay(t){const e=this.#D.indexOf(t);this.domElement.selectedIndex=e}}function H(t,e){return Array.isArray(t)?Array.isArray(t[0])?t:e?t.map(((t,e)=>[t,e])):t.map((t=>[t,t])):[...Object.entries(t)]}class z extends D{constructor(t,e,n){super(t,e,"muigui-select");const i="number"==typeof this.getValue(),{keyValues:o}=n,r=H(o,i);this.add(new T(this,r)),this.updateDisplay()}}class P extends v{#$;#C;#V;#I;#u={step:.01,min:0,max:1,converters:F};constructor(t,n){const i=L();super(e("input",{type:"range",onInput:()=>{this.#I=!0;const{min:e,max:n,step:i}=this.#u,r=parseFloat(this.domElement.value),a=o(s(r,(t=>t),i),e,n),[l,u]=this.#C(a);l&&t.setValue(u)},onChange:()=>{this.#I=!0;const{min:e,max:n,step:i}=this.#u,r=parseFloat(this.domElement.value),a=o(s(r,(t=>t),i),e,n),[l,u]=this.#C(a);l&&t.setFinalValue(u)},onWheel:e=>{e.preventDefault();const[n,r]=this.#C(parseFloat(this.domElement.value));if(!n)return;const{min:a,max:l,step:u}=this.#u,c=i(e,u),h=o(s(r+c,(t=>t),u),a,l);t.setValue(h)}})),this.setOptions(n)}updateDisplay(t){this.#I||(this.domElement.value=s(t,this.#$,this.#V)),this.#I=!1}setOptions(t){l(this.#u,t);const{step:e,min:n,max:i,converters:{to:o,from:r}}=this.#u;return this.#$=o,this.#C=r,this.#V=e,this.domElement.step=e,this.domElement.min=n,this.domElement.max=i,this}}class B extends D{constructor(t,e,n){super(t,e,"muigui-range"),this.add(new P(this,n)),this.add(new O(this,n))}}class G extends v{#$;#C;#I;#u={converters:F};constructor(t,n){const i=t.setValue.bind(t),o=t.setFinalValue.bind(t);super(e("input",{type:"text",onInput:()=>this.#M(i,!0),onChange:()=>this.#M(o,!1)})),this.setOptions(n)}#M(t,e){const[n,i]=this.#C(this.domElement.value);n&&(this.#I=e,t(i)),this.domElement.style.color=n?"":"var(--invalid-color)"}updateDisplay(t){this.#I||(this.domElement.value=this.#$(t),this.domElement.style.color=""),this.#I=!1}setOptions(t){l(this.#u,t);const{converters:{to:e,from:n}}=this.#u;return this.#$=e,this.#C=n,this}}class R extends D{constructor(t,e){super(t,e,"muigui-checkbox"),this.add(new G(this)),this.updateDisplay()}}const 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t.addEventListener("pointerdown",a),function(){t.removeEventListener("pointerdown",a)}}function se(t){return t.querySelectorAll("[data-src]").forEach((e=>{const i="muigui-id-"+n++;e.id=i,t.querySelectorAll(`[data-target=${e.dataset.src}]`).forEach((t=>{t.setAttribute("fill",`url(#${i})`)}))})),t}class ae extends v{#$;#C;#T;#H;#z;#P;#B;#G;#R;#Y;#K;#W;#q;#J;#u={converters:F,alpha:!1};#_;#X;constructor(t,n){super(e("div",{innerHTML:'\n\n \n \n \n \n \n \n \n \n\n \n \n \n\n\n \n \n \n \n \n \n \n \n \n \n \n \n \n\n\n \n \n \n \n \n \n \n \n\n',className:"muigui-no-scroll"})),this.#T=this.domElement.children[0],this.#z=this.domElement.children[1],this.#G=this.domElement.children[2],se(this.#T),se(this.#z),se(this.#G),this.#H=this.$(".muigui-color-chooser-circle"),this.#P=this.$("[data-src=muigui-color-chooser-hue]"),this.#B=this.$(".muigui-color-chooser-hue-cursor"),this.#R=this.$("[data-src=muigui-color-chooser-alpha]"),this.#Y=this.$(".muigui-color-chooser-alpha-cursor");const i=e=>{const n=o(e.nx,0,1),i=o(e.ny,0,1);this.#K[1]=n,this.#K[2]=1-i,this.#W=!0,this.#J=!0;const[r,s]=this.#C(this.#_(this.#K));r&&t.setValue(s)},r=e=>{const n=o(e.nx,0,1);this.#K[0]=n,this.#q=!0,this.#J=!0;const[i,r]=this.#C(this.#_(this.#K));i&&t.setValue(r)},s=e=>{const n=o(e.nx,0,1);this.#K[3]=n,this.#W=!0,this.#q=!0;const[i,r]=this.#C(this.#_(this.#K));i&&t.setValue(r)};re(this.#T,{onDown:i,onMove:i}),re(this.#z,{onDown:r,onMove:r}),re(this.#G,{onDown:s,onMove:s}),this.setOptions(n)}updateDisplay(t){this.#K||(this.#K=this.#X(this.#$(t)));{const[e,n,i,o=1]=this.#X(this.#$(t));this.#W||(this.#K[0]=n>.001&&i>.001?e:this.#K[0]),this.#q||(this.#K[1]=n,this.#K[2]=i),this.#J||(this.#K[3]=o)}{const[t,e,n,i]=this.#K,[o,r,s]=wt($t(this.#K));this.#W||this.#B.setAttribute("transform",`translate(${64*t}, 0)`),this.#P.children[0].setAttribute("stop-color",`hsl(${360*o} 0% 100% / ${i})`),this.#P.children[1].setAttribute("stop-color",`hsl(${360*o} 100% 50% / ${i})`),this.#J||this.#Y.setAttribute("transform",`translate(${64*i}, 0)`),this.#R.children[0].setAttribute("stop-color",`hsl(${360*o} ${100*r}% ${100*s}% / 0)`),this.#R.children[1].setAttribute("stop-color",`hsl(${360*o} ${100*r}% ${100*s}% / 1)`),this.#q||(this.#H.setAttribute("cx",""+64*e),this.#H.setAttribute("cy",""+48*(1-n)))}this.#W=!1,this.#q=!1,this.#J=!1}setOptions(t){l(this.#u,t);const{converters:{to:e,from:n},alpha:i}=this.#u;return this.#G.style.display=i?"":"none",this.#_=i?t=>rt($t(t)):t=>it(Et(t)),this.#X=i?t=>function([t,e,n,i]){return[...Vt([t,e,n]),i]}(ot(t)):t=>Vt(nt(t)),this.#$=e,this.#C=n,this}}class le extends D{#Z;#Q;#b;#tt;#u={open:!1};constructor(t,n,i={}){super(t,n,"muigui-pop-down-controller"),this.#Z=this.add(new Jt("div","muigui-pop-down-top"));const o=this.#Z.addElem(e("input",{type:"checkbox",onChange:()=>{this.#u.open=o.checked,this.updateDisplay()}}));this.#b=o,this.#Q=this.#Z.add(new Jt("div","muigui-pop-down-values")),this.#tt=this.add(new Jt("div","muigui-pop-down-bottom")),this.setOptions(i)}setKnobColor(t){this.#b&&(this.#b.style=`\n --range-color: ${t};\n --value-bg-color: ${t};\n `)}updateDisplay(){super.updateDisplay();const{open:t}=this.#u;this.domElement.children[1].classList.toggle("muigui-open",t),this.domElement.children[1].classList.toggle("muigui-closed",!t)}setOptions(t){l(this.#u,t),super.setOptions(t),this.updateDisplay()}addTop(t){return this.#Q.add(t)}addBottom(t){return this.#tt.add(t)}}class ue extends le{#A;#S;#$;#et;constructor(t,e,n={}){super(t,e,"muigui-color-chooser");const i=n.format||St(this.getValue()),{color:o,text:r}=qt[i];this.#$=o.to,this.#S=new G(this,{converters:r,alpha:It(i)}),this.#A=new ae(this,{converters:o,alpha:It(i)}),this.addTop(this.#S),this.addBottom(this.#A),this.#et=()=>{if(this.#$){const t=this.#$(this.getValue()),e=yt(Z(t));e[2]=(e[2]+50)%100;const n=Q(vt(e));this.setKnobColor(`${t.substring(0,7)}FF`,n)}},this.updateDisplay()}updateDisplay(){super.updateDisplay(),this.#et&&this.#et()}setOptions(t){return super.setOptions(t),this}}class ce extends ee{add(t,e,...n){const i=t instanceof g?t:function(t,e,...n){const[i]=n;if(Array.isArray(i))return new z(t,e,{keyValues:i});const o=typeof t[e];switch(o){case"number":if("number"==typeof n[0]&&"number"==typeof n[1]){const i=n[0],o=n[1],r=n[2];return new B(t,e,{min:i,max:o,...r&&{step:r}})}return 0===n.length?new j(t,e,...n):new B(t,e,...n);case"boolean":return new N(t,e,...n);case"function":return new f(t,e,...n);case"string":return new R(t,e,...n);case"undefined":throw new Error(`no property named ${e}`);default:throw new Error(`unhandled type ${o} for property ${e}`)}}(t,e,...n);return this.addController(i)}addCanvas(t){return this.addController(new _t(t))}addColor(t,e,n={}){const i=t[e];return It(n.format||St(i))?this.addController(new ue(t,e,n)):this.addController(new Zt(t,e,n))}addDivider(){return this.addController(new Qt)}addFolder(t){return this.addController(new ce(t))}addLabel(t){return this.addController(new ne(t))}}class he extends HTMLElement{constructor(){super(),this.shadow=this.attachShadow({mode:"open"})}}customElements.define("muigui-element",he);const de=new CSSStyleSheet;de.replaceSync(t.default);const pe=new CSSStyleSheet;function me(t){let e,n;function i(){if(e&&!n){const o=e;e=void 0,n=t.replace(o).then((()=>{n=void 0,i()}))}}return function(t){e=t,i()}}const ge=me(de),fe=me(pe);class be extends ce{static converters=U;static mapRange=u;static makeRangeConverters=c;static makeRangeOptions=h;static makeMinMaxPair=p;#nt=new CSSStyleSheet;constructor(t={}){super("Controls","muigui-root"),t instanceof HTMLElement&&(t={parent:t});const{autoPlace:n=!0,width:i,title:o="Controls"}=t;let{parent:r}=t;if(i&&(this.domElement.style.width=/^\d+$/.test(i)?`${i}px`:i),void 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\n\n',onWheel:e=>{e.preventDefault();const{min:n,max:r,step:l}=this.#u,u=i(e,l);let c=this.#rt+u;this.#st&&(c=a(c-n,r-n)+n);const h=o(s(c,(t=>t),l),n,r);t.setValue(h)}}));const r=e=>{const{min:n,max:i,step:r,dirMin:a,dirMax:l}=this.#u,u=2*e.nx-1,c=2*e.ny-1,h=Math.atan2(c,u),d=(a+l)/2,p=o(($e(h-d)-$e(a-d))/(l-a),0,1),m=s(n+(i-n)*p,(t=>t),r);t.setValue(m)};re(this.domElement,{onDown:r,onMove:r}),we(this.domElement,{onDown:e=>{const{min:n,max:i,step:r}=this.#u,a=o(s(this.#rt+e.dx*r,(t=>t),r),n,i);t.setValue(a)}}),this.#it=this.$("#muigui-arrow"),this.#ot=this.$("#muigui-range"),this.setOptions(n)}updateDisplay(t){this.#rt=t;const{min:e,max:n}=this.#u,i=(t-e)/(n-e),o=(r=this.#u.dirMin,s=this.#u.dirMax,r+(s-r)*i);var r,s;this.#it.style.transform=`rotate(${o}rad)`}setOptions(t){l(this.#u,t);const{dirMin:e,dirMax:n,wrap:i}=this.#u;this.#st=void 0!==i?i:Math.abs(e-n)>=2*Math.PI-Number.EPSILON;const[o,r]=e(o.push(i),e("label",{},[e("input",{type:"radio",name:r,value:a,onChange:function(){this.checked&&t.setFinalValue(s.#D[this.value])}}),e("button",{type:"button",textContent:n,onClick:function(){this.previousElementSibling.click()}})]))))));const s=this;this.#D=o,this.cols(i)}updateDisplay(t){const e=this.#D.indexOf(t);for(let t=0;t{e({rect:t.getBoundingClientRect(),elem:t})})).observe(t)}function De(t,e,n,i){Se(t,(({rect:o})=>{const{width:r,height:s}=o;t.setAttribute("viewBox",`-${r*e} -${s*n} ${r} ${s}`),i({elem:t,rect:o})}))}function Ne(t,e,n,i,o,r){const a=[];tt),n)),e=Math.min(e,o);for(let i=t;i<=e;i+=n)a.push(`M${i} 0 l0 ${r}`);return a.join(" ")}class Fe extends v{#at;#lt;#ut;#ct;#ht;#dt;#pt;#mt;#gt;#rt;#ft;#u={min:-100,max:100,step:1,unit:10,unitSize:10,ticksPerUnit:5,labelFn:t=>t,tickHeight:1,limits:!0,thicksColor:void 0,orientation:void 0};constructor(t,n){const i=L();let r;super(e("div",{innerHTML:'\n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \x3c!----\x3e\n \x3c!----\x3e\n \n \n \n \n\n',className:"muigui-no-v-scroll",onWheel:e=>{e.preventDefault();const{min:n,max:r,step:a}=this.#u,l=i(e,a),u=o(s(this.#rt+l,(t=>t),a),n,r);t.setValue(u)}})),this.#at=this.$("svg"),this.#lt=this.$("#muigui-origin"),this.#ut=this.$("#muigui-ticks"),this.#ct=this.$("#muigui-thicks"),this.#ht=this.$("#muigui-numbers"),this.#dt=this.$("#muigui-left-grad"),this.#pt=this.$("#muigui-right-grad"),this.setOptions(n),re(this.domElement,{onDown:()=>{r=this.#rt},onMove:e=>{const{min:n,max:i,unitSize:a,unit:l,step:u}=this.#u,c=o(s(r-e.dx/a*l,(t=>t),u),n,i);t.setValue(c)}}),we(this.domElement,{onDown:e=>{const{min:n,max:i,step:r}=this.#u,a=o(s(this.#rt+e.dx*r,(t=>t),r),n,i);t.setValue(a)}}),De(this.#at,.5,0,(({rect:{width:t}})=>{this.#dt.setAttribute("x",-t/2),this.#pt.setAttribute("x",t/2-20),this.#ft=function(t){const e=t.innerHTML;t.innerHTML="- ";const n=t.querySelector("text").getComputedTextLength();return t.innerHTML=e,n}(this.#ht),this.#mt=t,this.#bt()}))}#bt(){if(!this.#mt||void 0===this.#rt)return;const{labelFn:t,limits:e,min:n,max:i,orientation:o,tickHeight:r,ticksPerUnit:a,unit:l,unitSize:u,thicksColor:c}=this.#u,h=Math.ceil(this.#mt/u),d=this.#rt/l,p=Math.round(d-h),m=p*u,g=(p+2*h)*u,f=e?n*u/l:m,b=e?i*u/l:g,v=""===t(1)?10:5;a>1&&this.#ut.setAttribute("d",Ne(m,g,u/a,f,b,v*r)),this.#ct.style.stroke=c,this.#ct.setAttribute("d",Ne(m,g,u,f,b,v)),this.#ht.innerHTML=function(t,e,n,i,o,r,a,l){const u=[];tt),n)),e=Math.min(e,a);const c=Math.max(0,-Math.log10(i));for(let r=t;r<=e;r+=n)u.push(`${h=r/n*i,l(h.toFixed(c))}`);var h;return u.join("\n")}(m,g,u,l,this.#ft,f,b,t),this.#lt.setAttribute("transform",`translate(${-this.#rt*u/l} 0)`),this.#at.classList.toggle("muigui-slider-up","up"===o)}updateDisplay(t){this.#rt=t,this.#bt()}setOptions(t){return l(this.#u,t),this}}class Ae extends D{constructor(t,e,n={}){super(t,e,"muigui-slider"),this.add(new Fe(this,n)),this.add(new O(this,n)),this.updateDisplay()}}class Ue extends v{#at;#it;#H;#rt=[];constructor(t){super(e("div",{innerHTML:'\n\n \n \n \n \n \n\n',className:"muigui-no-scroll"}));const n=e=>{const{width:n,height:i}=this.#at.getBoundingClientRect(),o=2*e.nx-1,r=2*e.ny-1;t.setValue([o*n*.5,r*i*.5])};re(this.domElement,{onDown:n,onMove:n}),this.#at=this.$("svg"),this.#it=this.$("#muigui-arrow"),this.#H=this.$("#muigui-circle"),De(this.#at,.5,.5,(()=>this.#vt))}#vt(){const[t,e]=this.#rt;this.#it.setAttribute("d",`M0,0L${t},${e}`),this.#H.setAttribute("transform",`translate(${t}, ${e})`)}updateDisplay(t){this.#rt[0]=t[0],this.#rt[1]=t[1],this.#vt()}}class Le extends le{constructor(t,e){super(t,e,"muigui-vec2");const n=t=>({setValue:e=>{const n=this.getValue();n[t]=e,this.setValue(n)},setFinalValue:e=>{const n=this.getValue();n[t]=e,this.setFinalValue(n)}});this.addTop(new O(n(0),{converters:{to:t=>t[0],from:A.from}})),this.addTop(new O(n(1),{converters:{to:t=>t[1],from:A.from}})),this.addBottom(new Ue(this)),this.updateDisplay()}}export{ue as ColorChooser,Ve as Direction,Me as RadioGrid,B as Range,z as Select,Ae as Slider,j as TextNumber,Le as Vec2,be as default}; +//# sourceMappingURL=muigui.module.min.js.map diff --git a/dist/0.x/muigui.module.min.js.map b/dist/0.x/muigui.module.min.js.map new file mode 100644 index 0000000..3feaea2 --- /dev/null +++ b/dist/0.x/muigui.module.min.js.map @@ -0,0 +1 @@ +{"version":3,"file":"muigui.module.min.js","sources":["../../src/styles/muigui.css.js","../../src/libs/elem.js","../../src/libs/utils.js","../../../src/views/View.ts","../../src/controllers/Controller.js","../../src/controllers/Button.js","../../src/views/EditView.js","../../src/views/CheckboxView.js","../../src/libs/taskrunner.js","../../src/libs/ids.js","../../src/views/ValueView.js","../../src/controllers/LabelController.js","../../src/controllers/ValueController.js","../../src/controllers/Checkbox.js","../../src/libs/conversions.js","../../src/libs/wheel.js","../../src/views/NumberView.js","../../src/controllers/TextNumber.js","../../src/views/SelectView.js","../../src/libs/key-values.js","../../src/controllers/Select.js","../../src/views/RangeView.js","../../src/controllers/Range.js","../../src/views/TextView.js","../../src/controllers/Text.js","../../src/libs/color-utils.js","../../src/views/ElementView.js","../../src/controllers/Canvas.js","../../src/views/ColorView.js","../../src/controllers/Color.js","../../src/controllers/Divider.js","../../src/controllers/Container.js","../../src/controllers/Folder.js","../../src/controllers/Label.js","../../src/libs/touch.js","../../src/views/ColorChooserView.js","../../src/controllers/PopDownController.js","../../src/controllers/ColorChooser.js","../../src/muigui.js","../../src/controllers/create-controller.js","../../src/libs/keyboard.js","../../src/libs/assert.js","../../src/libs/svg.js","../../src/views/DirectionView.js","../../src/controllers/Direction.js","../../src/views/RadioGridView.js","../../src/controllers/RadioGrid.js","../../src/libs/resize-helpers.js","../../src/views/SliderView.js","../../src/controllers/Slider.js","../../src/views/Vec2View.js","../../src/controllers/Vec2.js"],"sourcesContent":["export default {\n default: `\n.muigui {\n --bg-color: #ddd;\n --color: #222;\n --contrast-color: #eee;\n --value-color: #145 ;\n --value-bg-color: #eeee;\n --disabled-color: #999;\n --menu-bg-color: #f8f8f8;\n --menu-sep-color: #bbb;\n --hover-bg-color: #999;\n --focus-color: #68C;\n --range-color: #888888;\n --invalid-color: #FF0000;\n --selected-color: rgb(255, 255, 255, 0.9);\n\n --button-bg-color: var(--value-bg-color);\n\n --range-left-color: var(--value-color);\n --range-right-color: var(--value-bg-color); \n --range-right-hover-color: var(--hover-bg-color);\n\n color: var(--color);\n background-color: var(--bg-color);\n}\n\n@media (prefers-color-scheme: dark) {\n .muigui {\n --bg-color: #222222;\n --color: #dddddd;\n --contrast-color: #000;\n --value-color: #43e5f7;\n --value-bg-color: #444444;\n --disabled-color: #666666;\n --menu-bg-color: #080808;\n --menu-sep-color: #444444;\n --hover-bg-color: #666666;\n --focus-color: #88AAFF;\n --range-color: #888888;\n --invalid-color: #FF6666;\n --selected-color: rgba(255, 255, 255, 0.3);\n\n --button-bg-color: var(--value-bg-color);\n\n --range-left-color: var(--value-color);\n --range-right-color: var(--value-bg-color); \n --range-right-hover-color: var(--hover-bg-color);\n\n color: var(--color);\n background-color: var(--bg-color);\n }\n}\n\n.muigui {\n --width: 250px;\n --label-width: 45%;\n --number-width: 40%;\n\n\n --font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Arial, sans-serif;\n --font-size: 11px;\n --font-family-mono: Menlo, Monaco, Consolas, \"Droid Sans Mono\", monospace;\n --font-size-mono: 11px;\n\n --line-height: 1.7em;\n --border-radius: 0px;\n\n width: var(--width);\n font-family: var(--font-family);\n font-size: var(--font-size);\n box-sizing: border-box;\n line-height: 100%;\n}\n.muigui * {\n box-sizing: inherit;\n}\n\n.muigui-no-scroll {\n touch-action: none;\n}\n.muigui-no-h-scroll {\n touch-action: pan-y;\n}\n.muigui-no-v-scroll {\n touch-action: pan-x;\n}\n\n.muigui-invalid-value {\n background-color: red !important;\n color: white !important;\n}\n\n.muigui-grid {\n display: grid;\n}\n.muigui-rows {\n display: flex;\n flex-direction: column;\n\n min-height: 20px;\n border: 2px solid red;\n}\n.muigui-columns {\n display: flex;\n flex-direction: row;\n\n height: 20px;\n border: 2px solid green;\n}\n.muigui-rows>*,\n.muigui-columns>* {\n flex: 1 1 auto;\n align-items: stretch;\n min-height: 0;\n min-width: 0;\n}\n\n.muigui-row {\n border: 2px solid yellow;\n min-height: 10px\n}\n.muigui-column {\n border: 2px solid lightgreen;\n}\n\n/* -------- */\n\n.muigui-show { /* */ }\n.muigui-hide { \n display: none !important;\n}\n.muigui-disabled {\n pointer-events: none;\n --color: var(--disabled-color) !important;\n --value-color: var(--disabled-color) !important;\n --range-left-color: var(--disabled-color) !important;\n}\n\n.muigui canvas,\n.muigui svg {\n display: block;\n border-radius: var(--border-radius);\n}\n.muigui canvas {\n background-color: var(--value-bg-color);\n}\n\n.muigui-controller {\n min-width: 0;\n min-height: var(--line-height);\n}\n.muigui-root,\n.muigui-menu {\n display: flex;\n flex-direction: column;\n position: relative;\n user-select: none;\n height: fit-content;\n margin: 0;\n padding-bottom: 0.1em;\n border-radius: var(--border-radius);\n}\n.muigui-menu {\n border-bottom: 1px solid var(--menu-sep-color);\n}\n\n.muigui-root>button:nth-child(1),\n.muigui-menu>button:nth-child(1) {\n border-top: 1px solid var(--menu-sep-color);\n border-bottom: 1px solid var(--menu-sep-color);\n position: relative;\n text-align: left;\n color: var(--color);\n background-color: var(--menu-bg-color);\n min-height: var(--line-height);\n padding-top: 0.2em;\n padding-bottom: 0.2em;\n cursor: pointer;\n border-radius: var(--border-radius);\n}\n.muigui-root>div:nth-child(2),\n.muigui-menu>div:nth-child(2) {\n flex: 1 1 auto;\n}\n\n.muigui-controller {\n margin-left: 0.2em;\n margin-right: 0.2em;\n}\n.muigui-root.muigui-controller,\n.muigui-menu.muigui-controller {\n margin-left: 0;\n margin-right: 0;\n}\n.muigui-controller>*:nth-child(1) {\n flex: 1 0 var(--label-width);\n min-width: 0;\n white-space: pre;\n}\n.muigui-controller>label:nth-child(1) {\n place-content: center start;\n display: inline-grid;\n overflow: hidden;\n}\n.muigui-controller>*:nth-child(2) {\n flex: 1 1 75%;\n min-width: 0;\n}\n\n/* -----------------------------------------\n a label controller is [[label][value]]\n*/\n\n.muigui-label-controller {\n display: flex;\n margin: 0.4em 0 0.4em 0;\n word-wrap: initial;\n align-items: stretch;\n}\n\n.muigui-value {\n display: flex;\n align-items: stretch;\n}\n.muigui-value>* {\n flex: 1 1 auto;\n min-width: 0;\n}\n.muigui-value>*:nth-child(1) {\n flex: 1 1 calc(100% - var(--number-width));\n}\n.muigui-value>*:nth-child(2) {\n flex: 1 1 var(--number-width);\n margin-left: 0.2em;\n}\n\n/* fix! */\n.muigui-open>button>label::before,\n.muigui-closed>button>label::before {\n width: 1.25em;\n height: var(--line-height);\n display: inline-grid;\n place-content: center start;\n pointer-events: none;\n}\n.muigui-open>button>label::before {\n content: \"ⓧ\"; /*\"▼\";*/\n}\n.muigui-closed>button>label::before {\n content: \"⨁\"; /*\"▶\";*/\n}\n.muigui-open>*:nth-child(2) {\n transition: max-height 0.2s ease-out,\n opacity 0.5s ease-out;\n max-height: 100vh;\n overflow: auto;\n opacity: 1;\n}\n\n.muigui-closed>*:nth-child(2) {\n transition: max-height 0.2s ease-out,\n opacity 1s;\n max-height: 0;\n opacity: 0;\n overflow: hidden;\n}\n\n/* ---- popdown ---- */\n\n.muigui-pop-down-top {\n display: flex;\n}\n/* fix? */\n.muigui-value>*:nth-child(1).muigui-pop-down-top {\n flex: 0;\n}\n.muigui-pop-down-bottom {\n\n}\n\n.muigui-pop-down-values {\n min-width: 0;\n display: flex;\n}\n.muigui-pop-down-values>* {\n flex: 1 1 auto;\n min-width: 0;\n}\n\n.muigui-value.muigui-pop-down-controller {\n flex-direction: column;\n}\n\n.muigui-pop-down-top input[type=checkbox] {\n -webkit-appearance: none;\n appearance: none;\n width: auto;\n color: var(--value-color);\n background-color: var(--value-bg-color);\n cursor: pointer;\n\n display: grid;\n place-content: center;\n margin: 0;\n font: inherit;\n color: currentColor;\n width: 1.7em;\n height: 1.7em;\n transform: translateY(-0.075em);\n}\n\n.muigui-pop-down-top input[type=checkbox]::before {\n content: \"+\";\n display: grid;\n place-content: center;\n border-radius: calc(var(--border-radius) + 2px);\n border-left: 1px solid rgba(255,255,255,0.3);\n border-top: 1px solid rgba(255,255,255,0.3);\n border-bottom: 1px solid rgba(0,0,0,0.2);\n border-right: 1px solid rgba(0,0,0,0.2);\n background-color: var(--range-color);\n color: var(--value-bg-color);\n width: calc(var(--line-height) - 4px);\n height: calc(var(--line-height) - 4px);\n}\n\n.muigui-pop-down-top input[type=checkbox]:checked::before {\n content: \"Ｘ\";\n}\n\n\n/* ---- select ---- */\n\n.muigui select,\n.muigui option,\n.muigui input,\n.muigui button {\n color: var(--value-color);\n background-color: var(--value-bg-color);\n font-family: var(--font-family);\n font-size: var(--font-size);\n border: none;\n margin: 0;\n border-radius: var(--border-radius);\n}\n.muigui select {\n appearance: none;\n margin: 0;\n margin-left: 0; /*?*/\n overflow: hidden; /* Safari */\n}\n\n.muigui select:focus,\n.muigui input:focus,\n.muigui button:focus {\n outline: 1px solid var(--focus-color);\n}\n\n.muigui select:hover,\n.muigui option:hover,\n.muigui input:hover,\n.muigui button:hover {\n background-color: var(--hover-bg-color); \n}\n\n/* ------ [ label ] ------ */\n\n.muigui-label {\n border-top: 1px solid var(--menu-sep-color);\n border-bottom: 1px solid var(--menu-sep-color);\n padding-top: 0.4em;\n padding-bottom: 0.3em;\n place-content: center start;\n background-color: var(--menu-bg-color);\n white-space: pre;\n border-radius: var(--border-radius);\n}\n\n/* ------ [ divider] ------ */\n\n.muigui-divider {\n min-height: 6px;\n border-top: 2px solid var(--menu-sep-color);\n margin-top: 6px;\n}\n\n/* ------ [ button ] ------ */\n\n.muigui-button {\n display: grid;\n\n}\n.muigui-button button {\n border: none;\n color: var(--value-color);\n background-color: var(--button-bg-color);\n cursor: pointer;\n place-content: center center;\n}\n\n/* ------ [ color ] ------ */\n\n.muigui-color>div {\n overflow: hidden;\n position: relative;\n margin-left: 0;\n margin-right: 0; /* why? */\n max-width: var(--line-height);\n border-radius: var(--border-radius);\n}\n\n.muigui-color>div:focus-within {\n outline: 1px solid var(--focus-color);\n}\n\n.muigui-color input[type=color] {\n border: none;\n padding: 0;\n background: inherit;\n cursor: pointer;\n position: absolute;\n width: 200%;\n left: -10px;\n top: -10px;\n height: 200%;\n}\n.muigui-disabled canvas,\n.muigui-disabled svg,\n.muigui-disabled img,\n.muigui-disabled .muigui-color input[type=color] {\n opacity: 0.2;\n}\n\n/* ------ [ checkbox ] ------ */\n\n.muigui-checkbox>label:nth-child(2) {\n display: grid;\n place-content: center start;\n margin: 0;\n}\n\n.muigui-checkbox input[type=checkbox] {\n -webkit-appearance: none;\n appearance: none;\n width: auto;\n color: var(--value-color);\n background-color: var(--value-bg-color);\n cursor: pointer;\n\n display: grid;\n place-content: center;\n margin: 0;\n font: inherit;\n color: currentColor;\n width: 1.7em;\n height: 1.7em;\n transform: translateY(-0.075em);\n}\n\n.muigui-checkbox input[type=checkbox]::before {\n content: \"\";\n color: var(--value-color);\n display: grid;\n place-content: center;\n}\n\n.muigui-checkbox input[type=checkbox]:checked::before {\n content: \"✔\";\n}\n\n.muigui input[type=number]::-webkit-inner-spin-button, \n.muigui input[type=number]::-webkit-outer-spin-button { \n -webkit-appearance: none;\n appearance: none;\n margin: 0; \n}\n.muigui input[type=number] {\n -moz-appearance: textfield;\n}\n\n/* ------ [ radio grid ] ------ */\n\n.muigui-radio-grid>div {\n display: grid;\n gap: 2px;\n}\n\n.muigui-radio-grid input {\n appearance: none;\n display: none;\n}\n\n.muigui-radio-grid button {\n color: var(--color);\n width: 100%;\n text-align: left;\n}\n\n.muigui-radio-grid input:checked + button {\n color: var(--value-color);\n background-color: var(--selected-color);\n}\n\n/* ------ [ color-chooser ] ------ */\n\n.muigui-color-chooser-cursor {\n stroke-width: 1px;\n stroke: white;\n fill: none;\n}\n.muigui-color-chooser-circle {\n stroke-width: 1px;\n stroke: white;\n fill: none;\n}\n\n\n/* ------ [ vec2 ] ------ */\n\n.muigui-vec2 svg {\n background-color: var(--value-bg-color);\n}\n\n.muigui-vec2-axis {\n stroke: 1px;\n stroke: var(--focus-color);\n}\n\n.muigui-vec2-line {\n stroke-width: 1px;\n stroke: var(--value-color);\n fill: var(--value-color);\n}\n\n/* ------ [ direction ] ------ */\n\n.muigui-direction svg {\n background-color: rgba(0,0,0,0.2);\n}\n\n.muigui-direction:focus-within svg {\n outline: none;\n}\n.muigui-direction-range {\n fill: var(--value-bg-color);\n}\n.muigui-direction svg:focus {\n outline: none;\n}\n.muigui-direction svg:focus .muigui-direction-range {\n stroke-width: 0.5px;\n stroke: var(--focus-color);\n}\n\n.muigui-direction-arrow {\n fill: var(--value-color);\n}\n\n/* ------ [ slider ] ------ */\n\n.muigui-slider>div {\n display: flex;\n align-items: stretch;\n height: var(--line-height);\n}\n.muigui-slider svg {\n flex: 1 1 auto;\n}\n.muigui-slider .muigui-slider-up #muigui-orientation {\n transform: scale(1, -1) translateY(-100%);\n}\n\n.muigui-slider .muigui-slider-up #muigui-number-orientation {\n transform: scale(1,-1);\n}\n\n.muigui-ticks {\n stroke: var(--range-color);\n}\n.muigui-thicks {\n stroke: var(--color);\n stroke-width: 2px;\n}\n.muigui-svg-text {\n fill: var(--color);\n font-size: 7px;\n}\n.muigui-mark {\n fill: var(--value-color);\n}\n\n/* ------ [ range ] ------ */\n\n\n.muigui-range input[type=range] {\n -webkit-appearance: none;\n appearance: none;\n background-color: transparent;\n}\n\n.muigui-range input[type=range]::-webkit-slider-thumb {\n -webkit-appearance: none;\n appearance: none;\n border-radius: calc(var(--border-radius) + 2px);\n border-left: 1px solid rgba(255,255,255,0.3);\n border-top: 1px solid rgba(255,255,255,0.3);\n border-bottom: 1px solid rgba(0,0,0,0.2);\n border-right: 1px solid rgba(0,0,0,0.2);\n background-color: var(--range-color);\n margin-top: calc((var(--line-height) - 2px) / -2);\n width: calc(var(--line-height) - 2px);\n height: calc(var(--line-height) - 2px);\n}\n\n.muigui-range input[type=range]::-webkit-slider-runnable-track {\n -webkit-appearance: none;\n appearance: none;\n border: 1px solid var(--menu-sep-color);\n height: 2px;\n}\n\n\n/* dat.gui style - doesn't work on Safari iOS */\n\n/*\n.muigui-range input[type=range] {\n cursor: ew-resize;\n overflow: hidden;\n}\n\n.muigui-range input[type=range] {\n -webkit-appearance: none;\n appearance: none;\n background-color: var(--range-right-color);\n margin: 0;\n}\n.muigui-range input[type=range]:hover {\n background-color: var(--range-right-hover-color);\n}\n\n.muigui-range input[type=range]::-webkit-slider-runnable-track {\n -webkit-appearance: none;\n appearance: none;\n height: max-content;\n color: var(--range-left-color);\n margin-top: -1px;\n}\n\n.muigui-range input[type=range]::-webkit-slider-thumb {\n -webkit-appearance: none;\n appearance: none;\n width: 0px;\n height: max-content;\n box-shadow: -1000px 0 0 1000px var(--range-left-color);\n}\n*/\n\n/* FF */\n/*\n.muigui-range input[type=range]::-moz-slider-progress {\n background-color: var(--range-left-color); \n}\n.muigui-range input[type=range]::-moz-slider-thumb {\n height: max-content;\n width: 0;\n border: none;\n box-shadow: -1000px 0 0 1000px var(--range-left-color);\n box-sizing: border-box;\n}\n*/\n\n.muigui-checkered-background {\n background-color: #404040;\n background-image:\n linear-gradient(45deg, #808080 25%, transparent 25%),\n linear-gradient(-45deg, #808080 25%, transparent 25%),\n linear-gradient(45deg, transparent 75%, #808080 75%),\n linear-gradient(-45deg, transparent 75%, #808080 75%);\n background-size: 16px 16px;\n background-position: 0 0, 0 8px, 8px -8px, -8px 0px;\n}\n\n/* ---------------------------------------------------------- */\n\n/* needs to be at bottom to take precedence */\n.muigui-auto-place {\n max-height: 100%;\n position: fixed;\n top: 0;\n right: 15px;\n z-index: 100001;\n}\n\n`,\nthemes: {\n default: '',\n float: `\n :root {\n color-scheme: light dark,\n }\n\n .muigui {\n --width: 400px;\n --bg-color: initial;\n --label-width: 25%;\n --number-width: 20%;\n }\n\n input,\n .muigui-label-controller>label {\n text-shadow:\n -1px -1px 0 var(--contrast-color),\n 1px -1px 0 var(--contrast-color),\n -1px 1px 0 var(--contrast-color),\n 1px 1px 0 var(--contrast-color);\n }\n\n .muigui-controller > label:nth-child(1) {\n place-content: center end;\n margin-right: 1em;\n }\n\n .muigui-value > :nth-child(2) {\n margin-left: 1em;\n }\n\n .muigui-root>*:nth-child(1) {\n display: none;\n }\n\n .muigui-range input[type=range]::-webkit-slider-thumb {\n border-radius: 1em;\n }\n\n .muigui-range input[type=range]::-webkit-slider-runnable-track {\n -webkit-appearance: initial;\n appearance: none;\n border: 1px solid rgba(0, 0, 0, 0.25);\n height: 2px;\n }\n\n .muigui-colors {\n --value-color: var(--color );\n --value-bg-color: rgba(0, 0, 0, 0.1);\n --disabled-color: #cccccc;\n --menu-bg-color: rgba(0, 0, 0, 0.1);\n --menu-sep-color: #bbbbbb;\n --hover-bg-color: rgba(0, 0, 0, 0);\n --invalid-color: #FF0000;\n --selected-color: rgba(0, 0, 0, 0.3);\n --range-color: rgba(0, 0, 0, 0.125);\n }\n`,\n},\n};\n","export function setElemProps(elem, attrs, children) {\n for (const [key, value] of Object.entries(attrs)) {\n if (typeof value === 'function' && key.startsWith('on')) {\n const eventName = key.substring(2).toLowerCase();\n elem.addEventListener(eventName, value, {passive: false});\n } else if (typeof value === 'object') {\n for (const [k, v] of Object.entries(value)) {\n elem[key][k] = v;\n }\n } else if (elem[key] === undefined) {\n elem.setAttribute(key, value);\n } else {\n elem[key] = value;\n }\n }\n for (const child of children) {\n elem.appendChild(child);\n }\n return elem;\n}\n\nexport function createElem(tag, attrs = {}, children = []) {\n const elem = document.createElement(tag);\n setElemProps(elem, attrs, children);\n return elem;\n}\n\nexport function addElem(tag, parent, attrs = {}, children = []) {\n const elem = createElem(tag, attrs, children);\n parent.appendChild(elem);\n return elem;\n}\n\nlet nextId = 0;\nexport function getNewId() {\n return `muigui-id-${nextId++}`;\n}\n","export function removeArrayElem(array, value) {\n const ndx = array.indexOf(value);\n if (ndx) {\n array.splice(ndx, 1);\n }\n return array;\n}\n\n/**\n * Converts an camelCase or snake_case id to \"camel case\" or \"snake case\"\n * @param {string} id\n */\nconst underscoreRE = /_/g;\nconst upperLowerRE = /([A-Z])([a-z])/g;\nexport function idToLabel(id) {\n return id.replace(underscoreRE, ' ')\n .replace(upperLowerRE, (m, m1, m2) => `${m1.toLowerCase()} ${m2}`);\n}\n\nexport function clamp(v, min, max) {\n return Math.max(min, Math.min(max, v));\n}\n\nexport const isTypedArray = typeof SharedArrayBuffer !== 'undefined'\n ? function isArrayBufferOrSharedArrayBuffer(a) {\n return a && a.buffer && (a.buffer instanceof ArrayBuffer || a.buffer instanceof SharedArrayBuffer);\n }\n : function isArrayBuffer(a) {\n return a && a.buffer && a.buffer instanceof ArrayBuffer;\n };\n\nexport const isArrayOrTypedArray = v => Array.isArray(v) || isTypedArray(v);\n\n// Yea, I know this should be `Math.round(v / step) * step\n// but try step = 0.1, newV = 19.95\n//\n// I get\n// Math.round(19.95 / 0.1) * 0.1\n// 19.900000000000002\n// vs\n// Math.round(19.95 / 0.1) / (1 / 0.1)\n// 19.9\n//\nexport const stepify = (v, from, step) => Math.round(from(v) / step) / (1 / step);\n\nexport const euclideanModulo = (v, n) => ((v % n) + n) % n;\nexport const lerp = (a, b, t) => a + (b - a) * t;\nexport function copyExistingProperties(dst, src) {\n for (const key in src) {\n if (key in dst) {\n dst[key] = src[key];\n }\n }\n return dst;\n}\n\nexport const mapRange = (v, inMin, inMax, outMin, outMax) => (v - inMin) * (outMax - outMin) / (inMax - inMin) + outMin;\n\nexport const makeRangeConverters = ({from, to}) => {\n return {\n to: v => mapRange(v, ...from, ...to),\n from: v => [true, mapRange(v, ...to, ...from)],\n };\n};\n\nexport const makeRangeOptions = ({from, to, step}) => {\n return {\n min: to[0],\n max: to[1],\n ...(step && {step}),\n converters: makeRangeConverters({from, to}),\n };\n};\n\n// TODO: remove an use one in conversions. Move makeRangeConverters there?\nexport const identity = {\n to: v => v,\n from: v => [true, v],\n};\nexport function makeMinMaxPair(gui, properties, minPropName, maxPropName, options) {\n const { converters: { from } = identity } = options;\n const { min, max } = options;\n const guiMinRange = options.minRange || 0;\n const valueMinRange = from(guiMinRange)[1];\n const minGui = gui\n .add(properties, minPropName, {\n ...options,\n min,\n max: max - guiMinRange,\n })\n .onChange(v => {\n maxGui.setValue(Math.min(max, Math.max(v + valueMinRange, properties[maxPropName])));\n });\n const maxGui = gui\n .add(properties, maxPropName, {\n ...options,\n min: min + guiMinRange,\n max,\n })\n .onChange(v => {\n minGui.setValue(Math.max(min, Math.min(v - valueMinRange, properties[minPropName])));\n });\n return [ minGui, maxGui ];\n}\n\n","import { removeArrayElem } from '../libs/utils.js';\n\nexport default class View {\n domElement: HTMLElement;\n\n #childDestElem: HTMLElement;\n #views: View[] = [];\n\n constructor(elem: HTMLElement) {\n this.domElement = elem;\n this.#childDestElem = elem;\n }\n addElem(elem: HTMLElement) {\n this.#childDestElem.appendChild(elem);\n return elem;\n }\n removeElem(elem: HTMLElement) {\n this.#childDestElem.removeChild(elem);\n return elem;\n }\n pushSubElem(elem: HTMLElement) {\n this.#childDestElem.appendChild(elem);\n this.#childDestElem = elem;\n }\n popSubElem() {\n this.#childDestElem = this.#childDestElem.parentElement!;\n }\n add(view: View) {\n this.#views.push(view);\n this.addElem(view.domElement);\n return view;\n }\n remove(view: View) {\n this.removeElem(view.domElement);\n removeArrayElem(this.#views, view);\n return view;\n }\n pushSubView(view: View) {\n this.pushSubElem(view.domElement);\n }\n popSubView() {\n this.popSubElem();\n }\n setOptions(options: any) {\n for (const view of this.#views) {\n view.setOptions(options);\n }\n }\n updateDisplayIfNeeded(newV: any, ignoreCache?: boolean) {\n for (const view of this.#views) {\n view.updateDisplayIfNeeded(newV, ignoreCache);\n }\n return this;\n }\n $(selector: string) {\n return this.domElement.querySelector(selector);\n }\n}","import { createElem } from '../libs/elem.js';\nimport { removeArrayElem } from '../libs/utils.js';\nimport View from '../views/View.js';\n\nexport default class Controller extends View {\n #changeFns;\n #finishChangeFns;\n #parent;\n\n constructor(className) {\n super(createElem('div', {className: 'muigui-controller'}));\n this.#changeFns = [];\n this.#finishChangeFns = [];\n // we need the specialization to come last so it takes precedence.\n if (className) {\n this.domElement.classList.add(className);\n }\n }\n get parent() {\n return this.#parent;\n }\n setParent(parent) {\n this.#parent = parent;\n this.enable(!this.disabled());\n }\n show(show = true) {\n this.domElement.classList.toggle('muigui-hide', !show);\n this.domElement.classList.toggle('muigui-show', show);\n return this;\n }\n hide() {\n return this.show(false);\n }\n disabled() {\n return !!this.domElement.closest('.muigui-disabled');\n }\n\n enable(enable = true) {\n this.domElement.classList.toggle('muigui-disabled', !enable);\n\n // If disabled we need to set the attribute 'disabled=true' to all\n // input/select/button/textarea's below\n //\n // If enabled we need to set the attribute 'disabled=false' to all below\n // until we hit a disabled controller.\n //\n // ATM the problem is we can find the input/select/button/textarea elements\n // but we can't easily find which controller they belong do.\n // But we don't need to? We can just check up if it or parent has\n // '.muigui-disabled'\n ['input', 'button', 'select', 'textarea'].forEach(tag => {\n this.domElement.querySelectorAll(tag).forEach(elem => {\n const disabled = !!elem.closest('.muigui-disabled');\n elem.disabled = disabled;\n });\n });\n\n return this;\n }\n disable(disable = true) {\n return this.enable(!disable);\n }\n onChange(fn) {\n this.removeChange(fn);\n this.#changeFns.push(fn);\n return this;\n }\n removeChange(fn) {\n removeArrayElem(this.#changeFns, fn);\n return this;\n }\n onFinishChange(fn) {\n this.removeFinishChange(fn);\n this.#finishChangeFns.push(fn);\n return this;\n }\n removeFinishChange(fn) {\n removeArrayElem(this.#finishChangeFns, fn);\n return this;\n }\n #callListeners(fns, newV) {\n for (const fn of fns) {\n fn.call(this, newV);\n }\n }\n emitChange(value, object, property) {\n this.#callListeners(this.#changeFns, value);\n if (this.#parent) {\n if (object === undefined) {\n this.#parent.emitChange(value);\n } else {\n this.#parent.emitChange({\n object,\n property,\n value,\n controller: this,\n });\n }\n }\n }\n emitFinalChange(value, object, property) {\n this.#callListeners(this.#finishChangeFns, value);\n if (this.#parent) {\n if (object === undefined) {\n this.#parent.emitChange(value);\n } else {\n this.#parent.emitFinalChange({\n object,\n property,\n value,\n controller: this,\n });\n }\n }\n }\n updateDisplay() {\n // placeholder. override\n }\n getColors() {\n const toCamelCase = s => s.replace(/-([a-z])/g, (m, m1) => m1.toUpperCase());\n const keys = [\n 'color',\n 'bg-color',\n 'value-color',\n 'value-bg-color',\n 'hover-bg-color',\n 'menu-bg-color',\n 'menu-sep-color',\n 'disabled-color',\n ];\n const div = createElem('div');\n this.domElement.appendChild(div);\n const colors = Object.fromEntries(keys.map(key => {\n div.style.color = `var(--${key})`;\n const s = getComputedStyle(div);\n return [toCamelCase(key), s.color];\n }));\n div.remove();\n return colors;\n }\n}\n","import {\n createElem,\n} from '../libs/elem.js';\nimport { copyExistingProperties } from '../libs/utils.js';\nimport Controller from './Controller.js';\n\nexport default class Button extends Controller {\n #object;\n #property;\n #buttonElem;\n #options = {\n name: '',\n };\n\n constructor(object, property, options = {}) {\n super('muigui-button', '');\n this.#object = object;\n this.#property = property;\n\n this.#buttonElem = this.addElem(\n createElem('button', {\n type: 'button',\n onClick: () => {\n this.#object[this.#property](this);\n },\n }));\n this.setOptions({name: property, ...options});\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n const {name} = this.#options;\n this.#buttonElem.textContent = name;\n }\n}","import { isTypedArray } from '../libs/utils.js';\nimport View from './View.js';\n\nfunction arraysEqual(a, b) {\n if (a.length !== b.length) {\n return false;\n }\n for (let i = 0; i < a.length; ++i) {\n if (a[i] !== b[i]) {\n return false;\n }\n }\n return true;\n}\n\nfunction copyArrayElementsFromTo(src, dst) {\n dst.length = src.length;\n for (let i = 0; i < src.length; ++i) {\n dst[i] = src[i];\n }\n}\n\nexport default class EditView extends View {\n #oldV;\n #updateCheck;\n\n #checkArrayNeedsUpdate(newV) {\n // It's an array, we need to compare all elements\n // Example, vec2, [r,g,b], ...\n const needUpdate = !arraysEqual(newV, this.#oldV);\n if (needUpdate) {\n copyArrayElementsFromTo(newV, this.#oldV);\n }\n return needUpdate;\n }\n\n #checkTypedArrayNeedsUpdate() {\n let once = true;\n return function checkTypedArrayNeedsUpdateImpl(newV) {\n // It's a typedarray, we need to compare all elements\n // Example: Float32Array([r, g, b])\n let needUpdate = once;\n once = false;\n if (!needUpdate) {\n needUpdate = !arraysEqual(newV, this.#oldV);\n }\n return needUpdate;\n };\n }\n\n #checkObjectNeedsUpdate(newV) {\n let needUpdate = false;\n for (const key in newV) {\n if (newV[key] !== this.#oldV[key]) {\n needUpdate = true;\n this.#oldV[key] = newV[key];\n }\n }\n return needUpdate;\n }\n\n #checkValueNeedsUpdate(newV) {\n const needUpdate = newV !== this.#oldV;\n this.#oldV = newV;\n return needUpdate;\n }\n\n #getUpdateCheckForType(newV) {\n if (Array.isArray(newV)) {\n this.#oldV = [];\n return this.#checkArrayNeedsUpdate.bind(this);\n } else if (isTypedArray(newV)) {\n this.#oldV = new newV.constructor(newV);\n return this.#checkTypedArrayNeedsUpdate(this);\n } else if (typeof newV === 'object') {\n this.#oldV = {};\n return this.#checkObjectNeedsUpdate.bind(this);\n } else {\n return this.#checkValueNeedsUpdate.bind(this);\n }\n }\n\n // The point of this is updating DOM elements\n // is slow but if we've called `listen` then\n // every frame we're going to try to update\n // things with the current value so if nothing\n // has changed then skip it.\n updateDisplayIfNeeded(newV, ignoreCache) {\n this.#updateCheck = this.#updateCheck || this.#getUpdateCheckForType(newV);\n // Note: We call #updateCheck first because it updates\n // the cache\n if (this.#updateCheck(newV) || ignoreCache) {\n this.updateDisplay(newV);\n }\n }\n setOptions(/*options*/) {\n // override this\n return this;\n }\n}\n","import { createElem } from '../libs/elem.js';\nimport EditView from './EditView.js';\n\nexport default class CheckboxView extends EditView {\n #checkboxElem;\n constructor(setter, id) {\n const checkboxElem = createElem('input', {\n type: 'checkbox',\n id,\n onInput: () => {\n setter.setValue(checkboxElem.checked);\n },\n onChange: () => {\n setter.setFinalValue(checkboxElem.checked);\n },\n });\n super(createElem('label', {}, [checkboxElem]));\n this.#checkboxElem = checkboxElem;\n }\n updateDisplay(v) {\n this.#checkboxElem.checked = v;\n }\n}\n","import { removeArrayElem } from './utils.js';\n\nconst tasks = [];\nconst tasksToRemove = new Set();\n\nlet requestId;\nlet processing;\n\nfunction removeTasks() {\n if (!tasksToRemove.size) {\n return;\n }\n\n if (processing) {\n queueProcessing();\n return;\n }\n\n tasksToRemove.forEach(task => {\n removeArrayElem(tasks, task);\n });\n tasksToRemove.clear();\n}\n\nfunction processTasks() {\n requestId = undefined;\n processing = true;\n for (const task of tasks) {\n if (!tasksToRemove.has(task)) {\n task();\n }\n }\n processing = false;\n removeTasks();\n queueProcessing();\n}\n\nfunction queueProcessing() {\n if (!requestId && tasks.length) {\n requestId = requestAnimationFrame(processTasks);\n }\n}\n\nexport function addTask(fn) {\n tasks.push(fn);\n queueProcessing();\n}\n\nexport function removeTask(fn) {\n tasksToRemove.set(fn);\n\n const ndx = tasks.indexOf(fn);\n if (ndx >= 0) {\n tasks.splice(ndx, 1);\n }\n}","let id = 0;\n\nexport function makeId() {\n return `muigui-${++id}`;\n}\n","import { createElem } from '../libs/elem.js';\nimport View from './View.js';\n\nexport default class ValueView extends View {\n constructor(className = '') {\n super(createElem('div', {className: 'muigui-value'}));\n if (className) {\n this.domElement.classList.add(className);\n }\n }\n}","import { createElem } from '../libs/elem.js';\nimport { makeId } from '../libs/ids.js';\nimport ValueView from '../views/ValueView.js';\nimport Controller from './Controller.js';\n\nexport default class LabelController extends Controller {\n #id;\n #nameElem;\n\n constructor(className = '', name = '') {\n super('muigui-label-controller');\n this.#id = makeId();\n this.#nameElem = createElem('label', {for: this.#id});\n this.domElement.appendChild(this.#nameElem);\n this.pushSubView(new ValueView(className));\n this.name(name);\n }\n get id() {\n return this.#id;\n }\n name(name) {\n if (this.#nameElem.title === this.#nameElem.textContent) {\n this.#nameElem.title = name;\n }\n this.#nameElem.textContent = name;\n return this;\n }\n tooltip(tip) {\n this.#nameElem.title = tip;\n }\n}\n\n","import {addTask, removeTask} from '../libs/taskrunner.js';\nimport { isTypedArray } from '../libs/utils.js';\nimport LabelController from './LabelController.js';\n\nexport default class ValueController extends LabelController {\n #object;\n #property;\n #initialValue;\n #listening;\n #views;\n #updateFn;\n\n constructor(object, property, className = '') {\n super(className, property);\n this.#object = object;\n this.#property = property;\n this.#initialValue = this.getValue();\n this.#listening = false;\n this.#views = [];\n }\n get initialValue() {\n return this.#initialValue;\n }\n get object() {\n return this.#object;\n }\n get property() {\n return this.#property;\n }\n add(view) {\n this.#views.push(view);\n super.add(view);\n this.updateDisplay();\n return view;\n }\n #setValueImpl(v, ignoreCache) {\n let isDifferent = false;\n if (typeof v === 'object') {\n const dst = this.#object[this.#property];\n // don't replace objects, just their values.\n if (Array.isArray(v) || isTypedArray(v)) {\n for (let i = 0; i < v.length; ++i) {\n isDifferent ||= dst[i] !== v[i];\n dst[i] = v[i];\n }\n } else {\n for (const key of Object.keys(v)) {\n isDifferent ||= dst[key] !== v[key];\n }\n Object.assign(dst, v);\n }\n } else {\n isDifferent = this.#object[this.#property] !== v;\n this.#object[this.#property] = v;\n }\n this.updateDisplay(ignoreCache);\n if (isDifferent) {\n this.emitChange(this.getValue(), this.#object, this.#property);\n }\n return isDifferent;\n }\n setValue(v) {\n this.#setValueImpl(v);\n }\n setFinalValue(v) {\n const isDifferent = this.#setValueImpl(v, true);\n if (isDifferent) {\n this.emitFinalChange(this.getValue(), this.#object, this.#property);\n }\n return this;\n }\n updateDisplay(ignoreCache) {\n const newV = this.getValue();\n for (const view of this.#views) {\n view.updateDisplayIfNeeded(newV, ignoreCache);\n }\n return this;\n }\n setOptions(options) {\n for (const view of this.#views) {\n view.setOptions(options);\n }\n this.updateDisplay();\n return this;\n }\n getValue() {\n return this.#object[this.#property];\n }\n value(v) {\n this.setValue(v);\n return this;\n }\n reset() {\n this.setValue(this.#initialValue);\n return this;\n }\n listen(listen = true) {\n if (!this.#updateFn) {\n this.#updateFn = this.updateDisplay.bind(this);\n }\n if (listen) {\n if (!this.#listening) {\n this.#listening = true;\n addTask(this.#updateFn);\n }\n } else {\n if (this.#listening) {\n this.#listening = false;\n removeTask(this.#updateFn);\n }\n }\n return this;\n }\n}\n\n","import CheckboxView from '../views/CheckboxView.js';\nimport ValueController from './ValueController.js';\n\nexport default class Checkbox extends ValueController {\n constructor(object, property) {\n super(object, property, 'muigui-checkbox');\n const id = this.id;\n this.add(new CheckboxView(this, id));\n this.updateDisplay();\n }\n}","import {\n makeRangeConverters,\n} from './utils.js';\n\nexport const identity = {\n to: v => v,\n from: v => [true, v],\n};\n\n// from: from string to value\n// to: from value to string\nexport const strToNumber = {\n to: v => v.toString(),\n from: v => {\n const newV = parseFloat(v);\n return [!Number.isNaN(newV), newV];\n },\n};\n\nexport const converters = {\n radToDeg: makeRangeConverters({to: [0, 180], from: [0, Math.PI]}),\n};\n","export function createWheelHelper() {\n let wheelAccum = 0;\n return function (e, step, wheelScale = 5) {\n wheelAccum -= e.deltaY * step / wheelScale;\n const wheelSteps = Math.floor(Math.abs(wheelAccum) / step) * Math.sign(wheelAccum);\n const delta = wheelSteps * step;\n wheelAccum -= delta;\n return delta;\n };\n}\n","import { createElem } from '../libs/elem.js';\nimport { strToNumber } from '../libs/conversions.js';\nimport { createWheelHelper } from '../libs/wheel.js';\nimport { clamp, copyExistingProperties, stepify } from '../libs/utils.js';\nimport EditView from './EditView.js';\n\nexport default class NumberView extends EditView {\n #to;\n #from;\n #step;\n #skipUpdate;\n #options = {\n step: 0.01,\n converters: strToNumber,\n min: Number.NEGATIVE_INFINITY,\n max: Number.POSITIVE_INFINITY,\n };\n\n constructor(setter, options) {\n const setValue = setter.setValue.bind(setter);\n const setFinalValue = setter.setFinalValue.bind(setter);\n const wheelHelper = createWheelHelper();\n super(createElem('input', {\n type: 'number',\n onInput: () => this.#handleInput(setValue, true),\n onChange: () => this.#handleInput(setFinalValue, false),\n onWheel: e => {\n e.preventDefault();\n const {min, max, step} = this.#options;\n const delta = wheelHelper(e, step);\n const v = parseFloat(this.domElement.value);\n const newV = clamp(stepify(v + delta, v => v, step), min, max);\n setter.setValue(newV);\n },\n }));\n this.setOptions(options);\n }\n #handleInput(setFn, skipUpdate) {\n const v = parseFloat(this.domElement.value);\n const [valid, newV] = this.#from(v);\n let inRange;\n if (valid && !Number.isNaN(v)) {\n const {min, max} = this.#options;\n inRange = newV >= min && newV <= max;\n this.#skipUpdate = skipUpdate;\n setFn(clamp(newV, min, max));\n }\n this.domElement.classList.toggle('muigui-invalid-value', !valid || !inRange);\n }\n updateDisplay(v) {\n if (!this.#skipUpdate) {\n this.domElement.value = stepify(v, this.#to, this.#step);\n }\n this.#skipUpdate = false;\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n const {\n step,\n converters: {to, from},\n } = this.#options;\n this.#to = to;\n this.#from = from;\n this.#step = step;\n return this;\n }\n}\n","\nimport NumberView from '../views/NumberView.js';\nimport ValueController from './ValueController.js';\n\n// Wanted to name this `Number` but it conflicts with\n// JavaScript `Number`. It most likely wouldn't be\n// an issue? But users might `import {Number} ...` and\n// things would break.\nexport default class TextNumber extends ValueController {\n #textView;\n #step;\n\n constructor(object, property, options = {}) {\n super(object, property, 'muigui-checkbox');\n this.#textView = this.add(new NumberView(this, options));\n this.updateDisplay();\n }\n}","import { createElem } from '../libs/elem.js';\nimport EditView from './EditView.js';\n\nexport default class SelectView extends EditView {\n #values;\n\n constructor(setter, keyValues) {\n const values = [];\n super(createElem('select', {\n onChange: () => {\n setter.setFinalValue(this.#values[this.domElement.selectedIndex]);\n },\n }, keyValues.map(([key, value]) => {\n values.push(value);\n return createElem('option', {textContent: key});\n })));\n this.#values = values;\n }\n updateDisplay(v) {\n const ndx = this.#values.indexOf(v);\n this.domElement.selectedIndex = ndx;\n }\n}\n","\n// 4 cases\n// (a) keyValues is array of arrays, each sub array is key value\n// (b) keyValues is array and value is number then keys = array contents, value = index\n// (c) keyValues is array and value is not number, key = array contents, value = array contents\n// (d) keyValues is object then key->value\nexport function convertToKeyValues(keyValues, valueIsNumber) {\n if (Array.isArray(keyValues)) {\n if (Array.isArray(keyValues[0])) {\n // (a) keyValues is array of arrays, each sub array is key value\n return keyValues;\n } else {\n if (valueIsNumber) {\n // (b) keyValues is array and value is number then keys = array contents, value = index\n return keyValues.map((v, ndx) => [v, ndx]);\n } else {\n // (c) keyValues is array and value is not number, key = array contents, value = array contents\n return keyValues.map(v => [v, v]);\n }\n }\n } else {\n // (d)\n return [...Object.entries(keyValues)];\n }\n}\n","import SelectView from '../views/SelectView.js';\nimport ValueController from './ValueController.js';\nimport { convertToKeyValues } from '../libs/key-values.js';\n\nexport default class Select extends ValueController {\n constructor(object, property, options) {\n super(object, property, 'muigui-select');\n const valueIsNumber = typeof this.getValue() === 'number';\n const {keyValues: keyValuesInput} = options;\n const keyValues = convertToKeyValues(keyValuesInput, valueIsNumber);\n this.add(new SelectView(this, keyValues));\n this.updateDisplay();\n }\n}","import { createElem } from '../libs/elem.js';\nimport { identity } from '../libs/conversions.js';\nimport { clamp, copyExistingProperties, stepify } from '../libs/utils.js';\nimport { createWheelHelper } from '../libs/wheel.js';\nimport EditView from './EditView.js';\n\nexport default class RangeView extends EditView {\n #to;\n #from;\n #step;\n #skipUpdate;\n #options = {\n step: 0.01,\n min: 0,\n max: 1,\n converters: identity,\n };\n\n constructor(setter, options) {\n const wheelHelper = createWheelHelper();\n super(createElem('input', {\n type: 'range',\n onInput: () => {\n this.#skipUpdate = true;\n const {min, max, step} = this.#options;\n const v = parseFloat(this.domElement.value);\n const newV = clamp(stepify(v, v => v, step), min, max);\n const [valid, validV] = this.#from(newV);\n if (valid) {\n setter.setValue(validV);\n }\n },\n onChange: () => {\n this.#skipUpdate = true;\n const {min, max, step} = this.#options;\n const v = parseFloat(this.domElement.value);\n const newV = clamp(stepify(v, v => v, step), min, max);\n const [valid, validV] = this.#from(newV);\n if (valid) {\n setter.setFinalValue(validV);\n }\n },\n onWheel: e => {\n e.preventDefault();\n const [valid, v] = this.#from(parseFloat(this.domElement.value));\n if (!valid) {\n return;\n }\n const {min, max, step} = this.#options;\n const delta = wheelHelper(e, step);\n const newV = clamp(stepify(v + delta, v => v, step), min, max);\n setter.setValue(newV);\n },\n }));\n this.setOptions(options);\n }\n updateDisplay(v) {\n if (!this.#skipUpdate) {\n this.domElement.value = stepify(v, this.#to, this.#step);\n }\n this.#skipUpdate = false;\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n const {\n step,\n min,\n max,\n converters: {to, from},\n } = this.#options;\n this.#to = to;\n this.#from = from;\n this.#step = step;\n this.domElement.step = step;\n this.domElement.min = min;\n this.domElement.max = max;\n return this;\n }\n}","import ValueController from './ValueController.js';\nimport NumberView from '../views/NumberView.js';\nimport RangeView from '../views/RangeView.js';\n\nexport default class Range extends ValueController {\n constructor(object, property, options) {\n super(object, property, 'muigui-range');\n this.add(new RangeView(this, options));\n this.add(new NumberView(this, options));\n }\n}\n","import { createElem } from '../libs/elem.js';\nimport { identity } from '../libs/conversions.js';\nimport EditView from './EditView.js';\nimport { copyExistingProperties } from '../libs/utils.js';\n\nexport default class TextView extends EditView {\n #to;\n #from;\n #skipUpdate;\n #options = {\n converters: identity,\n };\n\n constructor(setter, options) {\n const setValue = setter.setValue.bind(setter);\n const setFinalValue = setter.setFinalValue.bind(setter);\n super(createElem('input', {\n type: 'text',\n onInput: () => this.#handleInput(setValue, true),\n onChange: () => this.#handleInput(setFinalValue, false),\n }));\n this.setOptions(options);\n }\n #handleInput(setFn, skipUpdate) {\n const [valid, newV] = this.#from(this.domElement.value);\n if (valid) {\n this.#skipUpdate = skipUpdate;\n setFn(newV);\n }\n this.domElement.style.color = valid ? '' : 'var(--invalid-color)';\n\n }\n updateDisplay(v) {\n if (!this.#skipUpdate) {\n this.domElement.value = this.#to(v);\n this.domElement.style.color = '';\n }\n this.#skipUpdate = false;\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n const {\n converters: {to, from},\n } = this.#options;\n this.#to = to;\n this.#from = from;\n return this;\n }\n}\n","import TextView from '../views/TextView.js';\nimport ValueController from './ValueController.js';\n\nexport default class Text extends ValueController {\n constructor(object, property) {\n super(object, property, 'muigui-checkbox');\n this.add(new TextView(this));\n this.updateDisplay();\n }\n}","const clamp = (v, min, max) => Math.max(min, Math.min(max, v));\nconst lerp = (a, b, t) => a + (b - a) * t;\nconst fract = v => v >= 0 ? v % 1 : 1 - (v % 1);\n\nconst f0 = v => +v.toFixed(0); // converts to string (eg 1.2 => \"1\"), then converts back to number (eg, \"1.200\" => 1.2)\nconst f3 = v => +v.toFixed(3); // converts to string (eg 1.2 => \"1.200\"), then converts back to number (eg, \"1.200\" => 1.2)\n\nconst hexToUint32RGB = v => (parseInt(v.substring(1, 3), 16) << 16) |\n (parseInt(v.substring(3, 5), 16) << 8 ) |\n (parseInt(v.substring(5, 7), 16) );\nconst uint32RGBToHex = v => `#${(Math.round(v)).toString(16).padStart(6, '0')}`;\nconst hexToUint32RGBA = v => (parseInt(v.substring(1, 3), 16) * 2 ** 24) +\n (parseInt(v.substring(3, 5), 16) * 2 ** 16) +\n (parseInt(v.substring(5, 7), 16) * 2 ** 8) +\n (parseInt(v.substring(7, 9), 16) );\nconst uint32RGBAToHex = v => `#${(Math.round(v)).toString(16).padStart(8, '0')}`;\n\nexport const hexToUint8RGB = v => [\n parseInt(v.substring(1, 3), 16),\n parseInt(v.substring(3, 5), 16),\n parseInt(v.substring(5, 7), 16),\n];\nexport const uint8RGBToHex = v => `#${Array.from(v).map(v => v.toString(16).padStart(2, '0')).join('')}`;\n\nexport const hexToUint8RGBA = v => [\n parseInt(v.substring(1, 3), 16),\n parseInt(v.substring(3, 5), 16),\n parseInt(v.substring(5, 7), 16),\n parseInt(v.substring(7, 9), 16),\n];\nexport const uint8RGBAToHex = v => `#${Array.from(v).map(v => v.toString(16).padStart(2, '0')).join('')}`;\n\nexport const hexToFloatRGB = v => hexToUint8RGB(v).map(v => f3(v / 255));\nexport const floatRGBToHex = v => uint8RGBToHex(Array.from(v).map(v => Math.round(clamp(v * 255, 0, 255))));\n\nexport const hexToFloatRGBA = v => hexToUint8RGBA(v).map(v => f3(v / 255));\nexport const floatRGBAToHex = v => uint8RGBAToHex(Array.from(v).map(v => Math.round(clamp(v * 255, 0, 255))));\n\nconst scaleAndClamp = v => clamp(Math.round(v * 255), 0, 255).toString(16).padStart(2, '0');\n\nconst hexToObjectRGB = v => ({\n r: parseInt(v.substring(1, 3), 16) / 255,\n g: parseInt(v.substring(3, 5), 16) / 255,\n b: parseInt(v.substring(5, 7), 16) / 255,\n});\nconst objectRGBToHex = v => `#${scaleAndClamp(v.r)}${scaleAndClamp(v.g)}${scaleAndClamp(v.b)}`;\nconst hexToObjectRGBA = v => ({\n r: parseInt(v.substring(1, 3), 16) / 255,\n g: parseInt(v.substring(3, 5), 16) / 255,\n b: parseInt(v.substring(5, 7), 16) / 255,\n a: parseInt(v.substring(7, 9), 16) / 255,\n});\nconst objectRGBAToHex = v => `#${scaleAndClamp(v.r)}${scaleAndClamp(v.g)}${scaleAndClamp(v.b)}${scaleAndClamp(v.a)}`;\n\nconst hexToCssRGB = v => `rgb(${hexToUint8RGB(v).join(', ')})`;\nconst cssRGBRegex = /^\\s*rgb\\(\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*\\)\\s*$/;\nconst cssRGBToHex = v => {\n const m = cssRGBRegex.exec(v);\n return uint8RGBToHex([m[1], m[2], m[3]].map(v => parseInt(v)));\n};\nconst hexToCssRGBA = v => `rgba(${hexToUint8RGBA(v).map((v, i) => i === 3 ? v / 255 : v).join(', ')})`;\nconst cssRGBARegex = /^\\s*rgba\\(\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+\\.\\d+|\\d+)\\s*\\)\\s*$/;\nconst cssRGBAToHex = v => {\n const m = cssRGBARegex.exec(v);\n return uint8RGBAToHex([m[1], m[2], m[3], m[4]].map((v, i) => i === 3 ? (parseFloat(v) * 255 | 0) : parseInt(v)));\n};\n\nconst hexToCssHSL = v => {\n const hsl = rgbUint8ToHsl(hexToUint8RGB(v)).map(v => f0(v));\n return `hsl(${hsl[0]}, ${hsl[1]}%, ${hsl[2]}%)`;\n};\nconst hexToCssHSLA = v => {\n const hsla = rgbaUint8ToHsla(hexToUint8RGBA(v)).map((v, i) => i === 3 ? f3(v) : f0(v));\n return `hsl(${hsla[0]} ${hsla[1]}% ${hsla[2]}% / ${hsla[3]})`;\n};\nconst cssHSLRegex = /^\\s*hsl\\(\\s*(\\d+)(?:deg|)\\s*(?:,|)\\s*(\\d+)%\\s*(?:,|)\\s*(\\d+)%\\s*\\)\\s*$/;\nconst cssHSLARegex = /^\\s*hsl\\(\\s*(\\d+)(?:deg|)\\s*(?:,|)\\s*(\\d+)%\\s*(?:,|)\\s*(\\d+)%\\s*\\/\\s*(\\d+\\.\\d+|\\d+)\\s*\\)\\s*$/;\n\nconst hex3DigitTo6Digit = v => `${v[0]}${v[0]}${v[1]}${v[1]}${v[2]}${v[2]}`;\nconst cssHSLToHex = v => {\n const m = cssHSLRegex.exec(v);\n const rgb = hslToRgbUint8([m[1], m[2], m[3]].map(v => parseFloat(v)));\n return uint8RGBToHex(rgb);\n};\nconst cssHSLAToHex = v => {\n const m = cssHSLARegex.exec(v);\n const rgba = hslaToRgbaUint8([m[1], m[2], m[3], m[4]].map(v => parseFloat(v)));\n return uint8RGBAToHex(rgba);\n};\n\nconst euclideanModulo = (v, n) => ((v % n) + n) % n;\n\nexport function hslToRgbUint8([h, s, l]) {\n h = euclideanModulo(h, 360);\n s = clamp(s / 100, 0, 1);\n l = clamp(l / 100, 0, 1);\n\n const a = s * Math.min(l, 1 - l);\n\n function f(n) {\n const k = (n + h / 30) % 12;\n return l - a * Math.max(-1, Math.min(k - 3, 9 - k, 1));\n }\n\n return [f(0), f(8), f(4)].map(v => Math.round(v * 255));\n}\n\nexport function hslaToRgbaUint8([h, s, l, a]) {\n const rgb = hslToRgbUint8([h, s, l]);\n return [...rgb, a * 255 | 0];\n}\n\nexport function rgbFloatToHsl01([r, g, b]) {\n const max = Math.max(r, g, b);\n const min = Math.min(r, g, b);\n const l = (min + max) * 0.5;\n const d = max - min;\n let h = 0;\n let s = 0;\n\n if (d !== 0) {\n s = (l === 0 || l === 1)\n ? 0\n : (max - l) / Math.min(l, 1 - l);\n\n switch (max) {\n case r: h = (g - b) / d + (g < b ? 6 : 0); break;\n case g: h = (b - r) / d + 2; break;\n case b: h = (r - g) / d + 4;\n }\n }\n\n return [h / 6, s, l];\n}\n\nexport function rgbaFloatToHsla01([r, g, b, a]) {\n const hsl = rgbFloatToHsl01([r, g, b]);\n return [...hsl, a];\n}\n\nexport const rgbUint8ToHsl = (rgb) => {\n const [h, s, l] = rgbFloatToHsl01(rgb.map(v => v / 255));\n return [h * 360, s * 100, l * 100];\n};\n\nexport const rgbaUint8ToHsla = (rgba) => {\n const [h, s, l, a] = rgbaFloatToHsla01(rgba.map(v => v / 255));\n return [h * 360, s * 100, l * 100, a];\n};\n\nexport function hsv01ToRGBFloat([hue, sat, val]) {\n sat = clamp(sat, 0, 1);\n val = clamp(val, 0, 1);\n return [hue, hue + 2 / 3, hue + 1 / 3].map(\n v => lerp(1, clamp(Math.abs(fract(v) * 6 - 3.0) - 1, 0, 1), sat) * val\n );\n}\n\nexport function hsva01ToRGBAFloat([hue, sat, val, alpha]) {\n const rgb = hsv01ToRGBFloat([hue, sat, val]);\n return [...rgb, alpha];\n}\n\nconst round3 = v => Math.round(v * 1000) / 1000;\n\nexport function rgbFloatToHSV01([r, g, b]) {\n const p = b > g\n ? [b, g, -1, 2 / 3]\n : [g, b, 0, -1 / 3];\n const q = p[0] > r\n ? [p[0], p[1], p[3], r]\n : [r, p[1], p[2], p[0]];\n const d = q[0] - Math.min(q[3], q[1]);\n return [\n Math.abs(q[2] + (q[3] - q[1]) / (6 * d + Number.EPSILON)),\n d / (q[0] + Number.EPSILON),\n q[0],\n ].map(round3);\n}\n\nexport function rgbaFloatToHSVA01([r, g, b, a]) {\n const hsv = rgbFloatToHSV01([r, g, b]);\n return [...hsv, a];\n}\n\n// window.hsv01ToRGBFloat = hsv01ToRGBFloat;\n// window.rgbFloatToHSV01 = rgbFloatToHSV01;\n\n// Yea, meh!\nexport const hasAlpha = format => format.endsWith('a') || format.startsWith('hex8');\n\nconst cssStringFormats = [\n { re: /^#(?:[0-9a-f]){6}$/i, format: 'hex6' },\n { re: /^(?:[0-9a-f]){6}$/i, format: 'hex6-no-hash' },\n { re: /^#(?:[0-9a-f]){8}$/i, format: 'hex8' },\n { re: /^(?:[0-9a-f]){8}$/i, format: 'hex8-no-hash' },\n { re: /^#(?:[0-9a-f]){3}$/i, format: 'hex3' },\n { re: /^(?:[0-9a-f]){3}$/i, format: 'hex3-no-hash' },\n { re: cssRGBRegex, format: 'css-rgb' },\n { re: cssHSLRegex, format: 'css-hsl' },\n { re: cssRGBARegex, format: 'css-rgba' },\n { re: cssHSLARegex, format: 'css-hsla' },\n];\n\nfunction guessStringColorFormat(v) {\n for (const formatInfo of cssStringFormats) {\n if (formatInfo.re.test(v)) {\n return formatInfo;\n }\n }\n return undefined;\n}\n\nexport function guessFormat(v) {\n switch (typeof v) {\n case 'number':\n console.warn('can not reliably guess format based on a number. You should pass in a format like {format: \"uint32-rgb\"} or {format: \"uint32-rgb\"}');\n return v <= 0xFFFFFF ? 'uint32-rgb' : 'uint32-rgba';\n case 'string': {\n const formatInfo = guessStringColorFormat(v.trim());\n if (formatInfo) {\n return formatInfo.format;\n }\n break;\n }\n case 'object':\n if (v instanceof Uint8Array || v instanceof Uint8ClampedArray) {\n if (v.length === 3) {\n return 'uint8-rgb';\n } else if (v.length === 4) {\n return 'uint8-rgba';\n }\n } else if (v instanceof Float32Array) {\n if (v.length === 3) {\n return 'float-rgb';\n } else if (v.length === 4) {\n return 'float-rgba';\n }\n } else if (Array.isArray(v)) {\n if (v.length === 3) {\n return 'float-rgb';\n } else if (v.length === 4) {\n return 'float-rgba';\n }\n } else {\n if ('r' in v && 'g' in v && 'b' in v) {\n if ('a' in v) {\n return 'object-rgba';\n } else {\n return 'object-rgb';\n }\n }\n }\n }\n throw new Error(`unknown color format: ${v}`);\n}\n\nfunction fixHex6(v) {\n return v.trim(v);\n //const formatInfo = guessStringColorFormat(v.trim());\n //const fix = formatInfo ? formatInfo.fix : v => v;\n //return fix(v.trim());\n}\n\nfunction fixHex8(v) {\n return v.trim(v);\n //const formatInfo = guessStringColorFormat(v.trim());\n //const fix = formatInfo ? formatInfo.fix : v => v;\n //return fix(v.trim());\n}\n\nfunction hex6ToHex3(hex6) {\n return (hex6[1] === hex6[2] &&\n hex6[3] === hex6[4] &&\n hex6[5] === hex6[6])\n ? `#${hex6[1]}${hex6[3]}${hex6[5]}`\n : hex6;\n}\n\nconst hex3RE = /^(#|)([0-9a-f]{3})$/i;\nfunction hex3ToHex6(hex3) {\n const m = hex3RE.exec(hex3);\n if (m) {\n const [, , m2] = m;\n return `#${hex3DigitTo6Digit(m2)}`;\n }\n return hex3;\n}\n\nfunction fixHex3(v) {\n return hex6ToHex3(fixHex6(v));\n}\n\nconst strToRGBObject = (s) => {\n try {\n const json = s.replace(/([a-z])/g, '\"$1\"');\n const rgb = JSON.parse(json);\n if (Number.isNaN(rgb.r) || Number.isNaN(rgb.g) || Number.isNaN(rgb.b)) {\n throw new Error('not {r, g, b}');\n }\n return [true, rgb];\n } catch (e) {\n return [false];\n }\n};\n\nconst strToRGBAObject = (s) => {\n try {\n const json = s.replace(/([a-z])/g, '\"$1\"');\n const rgba = JSON.parse(json);\n if (Number.isNaN(rgba.r) || Number.isNaN(rgba.g) || Number.isNaN(rgba.b) || Number.isNaN(rgba.a)) {\n throw new Error('not {r, g, b, a}');\n }\n return [true, rgba];\n } catch (e) {\n return [false];\n }\n};\n\nconst strToCssRGB = s => {\n const m = cssRGBRegex.exec(s);\n if (!m) {\n return [false];\n }\n const v = [m[1], m[2], m[3]].map(v => parseInt(v));\n const outOfRange = v.find(v => v > 255);\n return [!outOfRange, `rgb(${v.join(', ')})`];\n};\n\nconst strToCssRGBA = s => {\n const m = cssRGBARegex.exec(s);\n if (!m) {\n return [false];\n }\n const v = [m[1], m[2], m[3], m[4]].map((v, i) => i === 3 ? parseFloat(v) : parseInt(v));\n const outOfRange = v.find(v => v > 255);\n return [!outOfRange, `rgba(${v.join(', ')})`];\n};\n\nconst strToCssHSL = s => {\n const m = cssHSLRegex.exec(s);\n if (!m) {\n return [false];\n }\n const v = [m[1], m[2], m[3]].map(v => parseFloat(v));\n const outOfRange = v.find(v => Number.isNaN(v));\n return [!outOfRange, `hsl(${v[0]}, ${v[1]}%, ${v[2]}%)`];\n};\n\nconst strToCssHSLA = s => {\n const m = cssHSLARegex.exec(s);\n if (!m) {\n return [false];\n }\n const v = [m[1], m[2], m[3], m[4]].map(v => parseFloat(v));\n const outOfRange = v.find(v => Number.isNaN(v));\n return [!outOfRange, `hsl(${v[0]} ${v[1]}% ${v[2]}% / ${v[3]})`];\n};\n\nconst rgbObjectToStr = rgb => {\n return `{r:${f3(rgb.r)}, g:${f3(rgb.g)}, b:${f3(rgb.b)}}`;\n};\nconst rgbaObjectToStr = rgba => {\n return `{r:${f3(rgba.r)}, g:${f3(rgba.g)}, b:${f3(rgba.b)}}, a:${f3(rgba.a)}}`;\n};\n\nconst strTo3IntsRE = /^\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*$/;\nconst strTo3Ints = s => {\n const m = strTo3IntsRE.exec(s);\n if (!m) {\n return [false];\n }\n const v = [m[1], m[2], m[3]].map(v => parseInt(v));\n const outOfRange = v.find(v => v > 255);\n return [!outOfRange, v];\n};\n\nconst strTo4IntsRE = /^\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*$/;\nconst strTo4Ints = s => {\n const m = strTo4IntsRE.exec(s);\n if (!m) {\n return [false];\n }\n const v = [m[1], m[2], m[3], m[4]].map(v => parseInt(v));\n const outOfRange = v.find(v => v > 255);\n return [!outOfRange, v];\n};\n\nconst strTo3Floats = s => {\n const numbers = s.split(',').map(s => s.trim());\n const v = numbers.map(v => parseFloat(v));\n if (v.length !== 3) {\n return [false];\n }\n // Note: using isNaN not Number.isNaN\n const badNdx = numbers.findIndex(v => isNaN(v));\n return [badNdx < 0, v.map(v => f3(v))];\n};\n\nconst strTo4Floats = s => {\n const numbers = s.split(',').map(s => s.trim());\n const v = numbers.map(v => parseFloat(v));\n if (v.length !== 4) {\n return [false];\n }\n // Note: using isNaN not Number.isNaN\n const badNdx = numbers.findIndex(v => isNaN(v));\n return [badNdx < 0, v.map(v => f3(v))];\n};\n\nconst strToUint32RGBRegex = /^\\s*(?:0x){0,1}([0-9a-z]{1,6})\\s*$/i;\nconst strToUint32RGB = s => {\n const m = strToUint32RGBRegex.exec(s);\n if (!m) {\n return [false];\n }\n return [true, parseInt(m[1], 16)];\n};\n\nconst strToUint32RGBARegex = /^\\s*(?:0x){0,1}([0-9a-z]{1,8})\\s*$/i;\nconst strToUint32RGBA = s => {\n const m = strToUint32RGBARegex.exec(s);\n if (!m) {\n return [false];\n }\n return [true, parseInt(m[1], 16)];\n};\n\nconst hex6RE = /^\\s*#[a-f0-9]{6}\\s*$|^\\s*#[a-f0-9]{3}\\s*$/i;\nconst hexNoHash6RE = /^\\s*[a-f0-9]{6}\\s*$/i;\nconst hex8RE = /^\\s*#[a-f0-9]{8}\\s*$/i;\nconst hexNoHash8RE = /^\\s*[a-f0-9]{8}\\s*$/i;\n\n// For each format converter\n//\n// fromHex/toHex convert from/to '#RRGGBB'\n//\n// fromHex converts from the string '#RRBBGG' to the format\n// (eg: for uint32-rgb, '#123456' becomes 0x123456)\n//\n// toHex converts from the format to '#RRGGBB'\n// (eg: for uint8-rgb, [16, 33, 50] becomes '#102132')\n//\n//\n// fromStr/toStr convert from/to what's in the input[type=text] element\n//\n// toStr converts from the format to its string representation\n// (eg, for object-rgb, {r: 1, g: 0.5, b:0} becomes \"{r: 1, g: 0.5, b:0}\")\n// ^object ^string\n//\n// fromStr converts its string representation to its format\n// (eg, for object-rgb) \"{r: 1, g: 0.5, b:0}\" becomes {r: 1, g: 0.5, b:0})\n// ^string ^object\n// fromString returns an array which is [valid, v]\n// where valid is true if the string was a valid and v is the converted\n// format if v is true.\n//\n// Note: toStr should convert to \"ideal\" form (whatever that is).\n// (eg, for css-rgb\n// \"{ r: 0.10000, g: 001, b: 0}\" becomes \"{r: 0.1, g: 1, b: 0}\"\n// notice that css-rgb is a string to a string\n// )\nexport const colorFormatConverters = {\n 'hex6': {\n color: {\n from: v => [true, v],\n to: fixHex6,\n },\n text: {\n from: v => [hex6RE.test(v), v.trim()],\n to: v => v,\n },\n },\n 'hex8': {\n color: {\n from: v => [true, v],\n to: fixHex8,\n },\n text: {\n from: v => [hex8RE.test(v), v.trim()],\n to: v => v,\n },\n },\n 'hex3': {\n color: {\n from: v => [true, fixHex3(v)],\n to: hex3ToHex6,\n },\n text: {\n from: v => [hex6RE.test(v), hex6ToHex3(v.trim())],\n to: v => v,\n },\n },\n 'hex6-no-hash': {\n color: {\n from: v => [true, v.substring(1)],\n to: v => `#${fixHex6(v)}`,\n },\n text: {\n from: v => [hexNoHash6RE.test(v), v.trim()],\n to: v => v,\n },\n },\n 'hex8-no-hash': {\n color: {\n from: v => [true, v.substring(1)],\n to: v => `#${fixHex8(v)}`,\n },\n text: {\n from: v => [hexNoHash8RE.test(v), v.trim()],\n to: v => v,\n },\n },\n 'hex3-no-hash': {\n color: {\n from: v => [true, fixHex3(v).substring(1)],\n to: hex3ToHex6,\n },\n text: {\n from: v => [hexNoHash6RE.test(v), hex6ToHex3(v.trim())],\n to: v => v,\n },\n },\n 'uint32-rgb': {\n color: {\n from: v => [true, hexToUint32RGB(v)],\n to: uint32RGBToHex,\n },\n text: {\n from: v => strToUint32RGB(v),\n to: v => `0x${v.toString(16).padStart(6, '0')}`,\n },\n },\n 'uint32-rgba': {\n color: {\n from: v => [true, hexToUint32RGBA(v)],\n to: uint32RGBAToHex,\n },\n text: {\n from: v => strToUint32RGBA(v),\n to: v => `0x${v.toString(16).padStart(8, '0')}`,\n },\n },\n 'uint8-rgb': {\n color: {\n from: v => [true, hexToUint8RGB(v)],\n to: uint8RGBToHex,\n },\n text: {\n from: strTo3Ints,\n to: v => v.join(', '),\n },\n },\n 'uint8-rgba': {\n color: {\n from: v => [true, hexToUint8RGBA(v)],\n to: uint8RGBAToHex,\n },\n text: {\n from: strTo4Ints,\n to: v => v.join(', '),\n },\n },\n 'float-rgb': {\n color: {\n from: v => [true, hexToFloatRGB(v)],\n to: floatRGBToHex,\n },\n text: {\n from: strTo3Floats,\n // need Array.from because map of Float32Array makes a Float32Array\n to: v => Array.from(v).map(v => f3(v)).join(', '),\n },\n },\n 'float-rgba': {\n color: {\n from: v => [true, hexToFloatRGBA(v)],\n to: floatRGBAToHex,\n },\n text: {\n from: strTo4Floats,\n // need Array.from because map of Float32Array makes a Float32Array\n to: v => Array.from(v).map(v => f3(v)).join(', '),\n },\n },\n 'object-rgb': {\n color: {\n from: v => [true, hexToObjectRGB(v)],\n to: objectRGBToHex,\n },\n text: {\n from: strToRGBObject,\n to: rgbObjectToStr,\n },\n },\n 'object-rgba': {\n color: {\n from: v => [true, hexToObjectRGBA(v)],\n to: objectRGBAToHex,\n },\n text: {\n from: strToRGBAObject,\n to: rgbaObjectToStr,\n },\n },\n 'css-rgb': {\n color: {\n from: v => [true, hexToCssRGB(v)],\n to: cssRGBToHex,\n },\n text: {\n from: strToCssRGB,\n to: v => strToCssRGB(v)[1],\n },\n },\n 'css-rgba': {\n color: {\n from: v => [true, hexToCssRGBA(v)],\n to: cssRGBAToHex,\n },\n text: {\n from: strToCssRGBA,\n to: v => strToCssRGBA(v)[1],\n },\n },\n 'css-hsl': {\n color: {\n from: v => [true, hexToCssHSL(v)],\n to: cssHSLToHex,\n },\n text: {\n from: strToCssHSL,\n to: v => strToCssHSL(v)[1],\n },\n },\n 'css-hsla': {\n color: {\n from: v => [true, hexToCssHSLA(v)],\n to: cssHSLAToHex,\n },\n text: {\n from: strToCssHSLA,\n to: v => strToCssHSLA(v)[1],\n },\n },\n};","import { createElem } from '../libs/elem.js';\nimport View from './View.js';\n\nexport default class ElementView extends View {\n constructor(tag, className) {\n super(createElem(tag, {className}));\n }\n}","import ElementView from '../views/ElementView.js';\nimport LabelController from './LabelController.js';\n\n// TODO: remove this? Should just be user side\nexport default class Canvas extends LabelController {\n #canvasElem;\n\n constructor() {\n super('muigui-canvas');\n this.#canvasElem = this.add(\n new ElementView('canvas', 'muigui-canvas'),\n ).domElement;\n }\n get canvas() {\n return this.#canvasElem;\n }\n}","import { createElem } from '../libs/elem.js';\nimport { identity } from '../libs/conversions.js';\nimport EditView from './EditView.js';\nimport { copyExistingProperties } from '../libs/utils.js';\n\nexport default class ColorView extends EditView {\n #to;\n #from;\n #colorElem;\n #skipUpdate;\n #options = {\n converters: identity,\n };\n\n constructor(setter, options) {\n const colorElem = createElem('input', {\n type: 'color',\n onInput: () => {\n const [valid, newV] = this.#from(colorElem.value);\n if (valid) {\n this.#skipUpdate = true;\n setter.setValue(newV);\n }\n },\n onChange: () => {\n const [valid, newV] = this.#from(colorElem.value);\n if (valid) {\n this.#skipUpdate = true;\n setter.setFinalValue(newV);\n }\n },\n });\n super(createElem('div', {}, [colorElem]));\n this.setOptions(options);\n this.#colorElem = colorElem;\n }\n updateDisplay(v) {\n if (!this.#skipUpdate) {\n this.#colorElem.value = this.#to(v);\n }\n this.#skipUpdate = false;\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n const {converters: {to, from}} = this.#options;\n this.#to = to;\n this.#from = from;\n return this;\n }\n}\n","import {\n colorFormatConverters,\n guessFormat,\n} from '../libs/color-utils.js';\nimport ValueController from './ValueController.js';\nimport TextView from '../views/TextView.js';\nimport ColorView from '../views/ColorView.js';\n\nexport default class Color extends ValueController {\n #colorView;\n #textView;\n\n constructor(object, property, options = {}) {\n super(object, property, 'muigui-color');\n const format = options.format || guessFormat(this.getValue());\n const {color, text} = colorFormatConverters[format];\n this.#colorView = this.add(new ColorView(this, {converters: color}));\n this.#textView = this.add(new TextView(this, {converters: text}));\n this.updateDisplay();\n }\n setOptions(options) {\n const {format} = options;\n if (format) {\n const {color, text} = colorFormatConverters[format];\n this.#colorView.setOptions({converters: color});\n this.#textView.setOptions({converters: text});\n }\n super.setOptions(options);\n return this;\n }\n}","import Controller from './Controller.js';\n\n// This feels like it should be something else like\n// gui.addController({className: 'muigui-divider')};\nexport default class Divider extends Controller {\n constructor() {\n super('muigui-divider');\n }\n}","import Controller from './Controller.js';\n\nexport default class Container extends Controller {\n #controllers;\n #childDestController;\n\n constructor(className) {\n super(className);\n this.#controllers = [];\n this.#childDestController = this;\n }\n get children() {\n return this.#controllers; // should we return a copy?\n }\n get controllers() {\n return this.#controllers.filter(c => !(c instanceof Container));\n }\n get folders() {\n return this.#controllers.filter(c => c instanceof Container);\n }\n reset(recursive = true) {\n for (const controller of this.#controllers) {\n if (!(controller instanceof Container) || recursive) {\n controller.reset(recursive);\n }\n }\n return this;\n }\n updateDisplay() {\n for (const controller of this.#controllers) {\n controller.updateDisplay();\n }\n return this;\n }\n remove(controller) {\n const ndx = this.#controllers.indexOf(controller);\n if (ndx >= 0) {\n const c = this.#controllers.splice(ndx, 1);\n const c0 = c[0];\n const elem = c0.domElement;\n elem.remove();\n c0.setParent(null);\n }\n return this;\n }\n #addControllerImpl(controller) {\n this.domElement.appendChild(controller.domElement);\n this.#controllers.push(controller);\n controller.setParent(this);\n return controller;\n }\n addController(controller) {\n return this.#childDestController.#addControllerImpl(controller);\n }\n pushContainer(container) {\n this.addController(container);\n this.#childDestController = container;\n return container;\n }\n popContainer() {\n this.#childDestController = this.#childDestController.parent;\n return this;\n }\n}\n","import { createElem } from '../libs/elem.js';\nimport Container from './Container.js';\n\nexport default class Folder extends Container {\n #labelElem;\n\n constructor(name = 'Controls', className = 'muigui-menu') {\n super(className);\n this.#labelElem = createElem('label');\n this.addElem(createElem('button', {\n type: 'button',\n onClick: () => this.toggleOpen(),\n }, [this.#labelElem]));\n this.pushContainer(new Container());\n this.name(name);\n this.open();\n }\n open(open = true) {\n this.domElement.classList.toggle('muigui-closed', !open);\n this.domElement.classList.toggle('muigui-open', open);\n return this;\n }\n close() {\n return this.open(false);\n }\n name(name) {\n this.#labelElem.textContent = name;\n return this;\n }\n title(title) {\n return this.name(title);\n }\n toggleOpen() {\n this.open(!this.domElement.classList.contains('muigui-open'));\n return this;\n }\n}\n","import Controller from './Controller.js';\n\n// This feels like it should be something else like\n// gui.addDividing = new Controller()\nexport default class Label extends Controller {\n constructor(text) {\n super('muigui-label');\n this.text(text);\n }\n text(text) {\n this.domElement.textContent = text;\n return this;\n }\n}","function noop() {\n}\n\nexport function computeRelativePosition(elem, event, start) {\n const rect = elem.getBoundingClientRect();\n const x = event.clientX - rect.left;\n const y = event.clientY - rect.top;\n const nx = x / rect.width;\n const ny = y / rect.height;\n start = start || [x, y];\n const dx = x - start[0];\n const dy = y - start[1];\n const ndx = dx / rect.width;\n const ndy = dy / rect.width;\n return {x, y, nx, ny, dx, dy, ndx, ndy};\n}\n\nexport function addTouchEvents(elem, {onDown = noop, onMove = noop, onUp = noop}) {\n let start;\n const pointerMove = function (event) {\n const e = {\n type: 'move',\n ...computeRelativePosition(elem, event, start),\n };\n onMove(e);\n };\n\n const pointerUp = function (event) {\n elem.releasePointerCapture(event.pointerId);\n elem.removeEventListener('pointermove', pointerMove);\n elem.removeEventListener('pointerup', pointerUp);\n\n document.body.style.backgroundColor = '';\n\n onUp('up');\n };\n\n const pointerDown = function (event) {\n elem.addEventListener('pointermove', pointerMove);\n elem.addEventListener('pointerup', pointerUp);\n elem.setPointerCapture(event.pointerId);\n\n const rel = computeRelativePosition(elem, event);\n start = [rel.x, rel.y];\n onDown({\n type: 'down',\n ...rel,\n });\n };\n\n elem.addEventListener('pointerdown', pointerDown);\n\n return function () {\n elem.removeEventListener('pointerdown', pointerDown);\n };\n}","import { createElem, getNewId } from '../libs/elem.js';\nimport { addTouchEvents } from '../libs/touch.js';\nimport { identity } from '../libs/conversions.js';\nimport { clamp } from '../libs/utils.js';\nimport EditView from './EditView.js';\nimport {\n hexToFloatRGB,\n hexToFloatRGBA,\n hsv01ToRGBFloat,\n hsva01ToRGBAFloat,\n rgbFloatToHSV01,\n rgbaFloatToHSVA01,\n floatRGBToHex,\n floatRGBAToHex,\n rgbaFloatToHsla01,\n} from '../libs/color-utils.js';\nimport { copyExistingProperties } from '../libs/utils.js';\n\nconst svg = `\n\n \n \n \n \n \n \n \n \n\n \n \n \n\n\n \n \n \n \n \n \n \n \n \n \n \n \n \n\n\n \n \n \n \n \n \n \n \n\n`;\n\nfunction connectFillTargets(elem) {\n elem.querySelectorAll('[data-src]').forEach(srcElem => {\n const id = getNewId();\n srcElem.id = id;\n elem.querySelectorAll(`[data-target=${srcElem.dataset.src}]`).forEach(targetElem => {\n targetElem.setAttribute('fill', `url(#${id})`);\n });\n });\n return elem;\n}\n\n// Was originally going to make alpha an option. Issue is\n// hard coded conversions?\nexport default class ColorChooserView extends EditView {\n #to;\n #from;\n #satLevelElem;\n #circleElem;\n #hueUIElem;\n #hueElem;\n #hueCursorElem;\n #alphaUIElem;\n #alphaElem;\n #alphaCursorElem;\n #hsva;\n #skipHueUpdate;\n #skipSatLevelUpdate;\n #skipAlphaUpdate;\n #options = {\n converters: identity,\n alpha: false,\n };\n #convertInternalToHex;\n #convertHexToInternal;\n\n constructor(setter, options) {\n super(createElem('div', {\n innerHTML: svg,\n className: 'muigui-no-scroll',\n }));\n this.#satLevelElem = this.domElement.children[0];\n this.#hueUIElem = this.domElement.children[1];\n this.#alphaUIElem = this.domElement.children[2];\n connectFillTargets(this.#satLevelElem);\n connectFillTargets(this.#hueUIElem);\n connectFillTargets(this.#alphaUIElem);\n this.#circleElem = this.$('.muigui-color-chooser-circle');\n this.#hueElem = this.$('[data-src=muigui-color-chooser-hue]');\n this.#hueCursorElem = this.$('.muigui-color-chooser-hue-cursor');\n this.#alphaElem = this.$('[data-src=muigui-color-chooser-alpha]');\n this.#alphaCursorElem = this.$('.muigui-color-chooser-alpha-cursor');\n\n const handleSatLevelChange = (e) => {\n const s = clamp(e.nx, 0, 1);\n const v = clamp(e.ny, 0, 1);\n this.#hsva[1] = s;\n this.#hsva[2] = (1 - v);\n this.#skipHueUpdate = true;\n this.#skipAlphaUpdate = true;\n const [valid, newV] = this.#from(this.#convertInternalToHex(this.#hsva));\n if (valid) {\n setter.setValue(newV);\n }\n };\n\n const handleHueChange = (e) => {\n const h = clamp(e.nx, 0, 1);\n this.#hsva[0] = h;\n this.#skipSatLevelUpdate = true;\n this.#skipAlphaUpdate = true;\n const [valid, newV] = this.#from(this.#convertInternalToHex(this.#hsva));\n if (valid) {\n setter.setValue(newV);\n }\n };\n\n const handleAlphaChange = (e) => {\n const a = clamp(e.nx, 0, 1);\n this.#hsva[3] = a;\n this.#skipHueUpdate = true;\n this.#skipSatLevelUpdate = true;\n const [valid, newV] = this.#from(this.#convertInternalToHex(this.#hsva));\n if (valid) {\n setter.setValue(newV);\n }\n };\n\n addTouchEvents(this.#satLevelElem, {\n onDown: handleSatLevelChange,\n onMove: handleSatLevelChange,\n });\n addTouchEvents(this.#hueUIElem, {\n onDown: handleHueChange,\n onMove: handleHueChange,\n });\n addTouchEvents(this.#alphaUIElem, {\n onDown: handleAlphaChange,\n onMove: handleAlphaChange,\n });\n this.setOptions(options);\n }\n updateDisplay(newV) {\n if (!this.#hsva) {\n this.#hsva = this.#convertHexToInternal(this.#to(newV));\n }\n {\n const [h, s, v, a = 1] = this.#convertHexToInternal(this.#to(newV));\n // Don't copy the hue if it was un-computable.\n if (!this.#skipHueUpdate) {\n this.#hsva[0] = s > 0.001 && v > 0.001 ? h : this.#hsva[0];\n }\n if (!this.#skipSatLevelUpdate) {\n this.#hsva[1] = s;\n this.#hsva[2] = v;\n }\n if (!this.#skipAlphaUpdate) {\n this.#hsva[3] = a;\n }\n }\n {\n const [h, s, v, a] = this.#hsva;\n const [hue, sat, lum] = rgbaFloatToHsla01(hsva01ToRGBAFloat(this.#hsva));\n\n if (!this.#skipHueUpdate) {\n this.#hueCursorElem.setAttribute('transform', `translate(${h * 64}, 0)`);\n }\n this.#hueElem.children[0].setAttribute('stop-color', `hsl(${hue * 360} 0% 100% / ${a})`);\n this.#hueElem.children[1].setAttribute('stop-color', `hsl(${hue * 360} 100% 50% / ${a})`);\n if (!this.#skipAlphaUpdate) {\n this.#alphaCursorElem.setAttribute('transform', `translate(${a * 64}, 0)`);\n }\n this.#alphaElem.children[0].setAttribute('stop-color', `hsl(${hue * 360} ${sat * 100}% ${lum * 100}% / 0)`);\n this.#alphaElem.children[1].setAttribute('stop-color', `hsl(${hue * 360} ${sat * 100}% ${lum * 100}% / 1)`);\n\n if (!this.#skipSatLevelUpdate) {\n this.#circleElem.setAttribute('cx', `${s * 64}`);\n this.#circleElem.setAttribute('cy', `${(1 - v) * 48}`);\n }\n }\n this.#skipHueUpdate = false;\n this.#skipSatLevelUpdate = false;\n this.#skipAlphaUpdate = false;\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n const {converters: {to, from}, alpha} = this.#options;\n this.#alphaUIElem.style.display = alpha ? '' : 'none';\n this.#convertInternalToHex = alpha\n ? v => floatRGBAToHex(hsva01ToRGBAFloat(v))\n : v => floatRGBToHex(hsv01ToRGBFloat(v));\n this.#convertHexToInternal = alpha\n ? v => rgbaFloatToHSVA01(hexToFloatRGBA(v))\n : v => rgbFloatToHSV01(hexToFloatRGB(v));\n this.#to = to;\n this.#from = from;\n return this;\n }\n}\n","import ElementView from '../views/ElementView.js';\nimport ValueController from './ValueController.js';\nimport { copyExistingProperties } from '../libs/utils.js';\nimport { createElem } from '../libs/elem.js';\n/*\n\nholder = new TabHolder\ntab = holder.add(new Tab(\"name\"))\ntab.add(...)\n\n\npc = new PopdownController\ntop = pc.add(new Row())\ntop.add(new Button());\nvalues = topRow.add(new Div())\nbottom = pc.add(new Row());\n\n\n\npc = new PopdownController\npc.addTop\npc.addTop\n\npc.addBottom\n\n\n*/\n\nexport default class PopDownController extends ValueController {\n #top;\n #valuesView;\n #checkboxElem;\n #bottom;\n #options = {\n open: false,\n };\n\n constructor(object, property, options = {}) {\n super(object, property, 'muigui-pop-down-controller');\n /*\n [ValueView\n [[B][values]] upper row\n [[ visual ]] lower row\n ]\n */\n this.#top = this.add(new ElementView('div', 'muigui-pop-down-top'));\n// this.#top.add(new CheckboxView(makeSetter(this.#options, 'open')));\n const checkboxElem = this.#top.addElem(createElem('input', {\n type: 'checkbox',\n onChange: () => {\n this.#options.open = checkboxElem.checked;\n this.updateDisplay();\n },\n }));\n this.#checkboxElem = checkboxElem;\n this.#valuesView = this.#top.add(new ElementView('div', 'muigui-pop-down-values'));\n this.#bottom = this.add(new ElementView('div', 'muigui-pop-down-bottom'));\n this.setOptions(options);\n }\n setKnobColor(bgCssColor/*, fgCssColor*/) {\n if (this.#checkboxElem) {\n this.#checkboxElem.style = `\n --range-color: ${bgCssColor};\n --value-bg-color: ${bgCssColor};\n `;\n }\n }\n updateDisplay() {\n super.updateDisplay();\n const {open} = this.#options;\n this.domElement.children[1].classList.toggle('muigui-open', open);\n this.domElement.children[1].classList.toggle('muigui-closed', !open);\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n super.setOptions(options);\n this.updateDisplay();\n }\n addTop(view) {\n return this.#valuesView.add(view);\n }\n addBottom(view) {\n return this.#bottom.add(view);\n }\n}","/* eslint-disable no-underscore-dangle */\nimport {\n colorFormatConverters,\n guessFormat,\n hasAlpha,\n hexToUint8RGB,\n hslToRgbUint8,\n rgbUint8ToHsl,\n uint8RGBToHex,\n} from '../libs/color-utils.js';\nimport ColorChooserView from '../views/ColorChooserView.js';\nimport TextView from '../views/TextView.js';\nimport PopDownController from './PopDownController.js';\n\nexport default class ColorChooser extends PopDownController {\n #colorView;\n #textView;\n #to;\n #setKnobHelper;\n\n constructor(object, property, options = {}) {\n super(object, property, 'muigui-color-chooser');\n const format = options.format || guessFormat(this.getValue());\n const {color, text} = colorFormatConverters[format];\n this.#to = color.to;\n this.#textView = new TextView(this, {converters: text, alpha: hasAlpha(format)});\n this.#colorView = new ColorChooserView(this, {converters: color, alpha: hasAlpha(format)});\n this.addTop(this.#textView);\n this.addBottom(this.#colorView);\n // WTF! FIX!\n this.#setKnobHelper = () => {\n if (this.#to) {\n const hex6Or8 = this.#to(this.getValue());\n const hsl = rgbUint8ToHsl(hexToUint8RGB(hex6Or8));\n hsl[2] = (hsl[2] + 50) % 100;\n const hex = uint8RGBToHex(hslToRgbUint8(hsl));\n this.setKnobColor(`${hex6Or8.substring(0, 7)}FF`, hex);\n }\n };\n this.updateDisplay();\n }\n updateDisplay() {\n super.updateDisplay();\n if (this.#setKnobHelper) {\n this.#setKnobHelper();\n }\n }\n setOptions(options) {\n super.setOptions(options);\n return this;\n }\n}\n","import css from './styles/muigui.css.js';\nimport {createElem} from './libs/elem.js';\nimport {createController} from './controllers/create-controller.js';\nimport {\n mapRange,\n makeRangeConverters,\n makeRangeOptions,\n makeMinMaxPair,\n} from './libs/utils.js';\nimport {\n converters\n} from './libs/conversions.js';\nimport {\n hasAlpha,\n guessFormat,\n} from './libs/color-utils.js';\nimport Canvas from './controllers/Canvas.js';\nimport Color from './controllers/Color.js';\nimport Divider from './controllers/Divider.js';\nimport Folder from './controllers/Folder.js';\nimport Label from './controllers/Label.js';\nimport Controller from './controllers/Controller.js';\nimport ColorChooser from './controllers/ColorChooser.js';\n\nimport Column from './layout/Column.js';\nimport Frame from './layout/Frame.js';\nimport Grid from './layout/Grid.js';\nimport Row from './layout/Row.js';\n\nexport {\n Column,\n Frame,\n Grid,\n Row,\n};\n\nexport class GUIFolder extends Folder {\n add(object, property, ...args) {\n const controller = object instanceof Controller\n ? object\n : createController(object, property, ...args);\n return this.addController(controller);\n }\n addCanvas(name) {\n return this.addController(new Canvas(name));\n }\n addColor(object, property, options = {}) {\n const value = object[property];\n if (hasAlpha(options.format || guessFormat(value))) {\n return this.addController(new ColorChooser(object, property, options));\n } else {\n return this.addController(new Color(object, property, options));\n }\n }\n addDivider() {\n return this.addController(new Divider());\n }\n addFolder(name) {\n return this.addController(new GUIFolder(name));\n }\n addLabel(text) {\n return this.addController(new Label(text));\n }\n}\n\nclass MuiguiElement extends HTMLElement {\n constructor() {\n super();\n this.shadow = this.attachShadow({mode: 'open'});\n }\n}\n\ncustomElements.define('muigui-element', MuiguiElement);\n\nconst baseStyleSheet = new CSSStyleSheet();\nbaseStyleSheet.replaceSync(css.default);\nconst userStyleSheet = new CSSStyleSheet();\n\nfunction makeStyleSheetUpdater(styleSheet) {\n let newCss;\n let newCssPromise;\n\n function updateStyle() {\n if (newCss && !newCssPromise) {\n const s = newCss;\n newCss = undefined;\n newCssPromise = styleSheet.replace(s).then(() => {\n newCssPromise = undefined;\n updateStyle();\n });\n }\n }\n\n return function updateStyleSheet(css) {\n newCss = css;\n updateStyle();\n };\n}\n\nconst updateBaseStyle = makeStyleSheetUpdater(baseStyleSheet);\nconst updateUserStyle = makeStyleSheetUpdater(userStyleSheet);\n\nexport class GUI extends GUIFolder {\n static converters = converters;\n static mapRange = mapRange;\n static makeRangeConverters = makeRangeConverters;\n static makeRangeOptions = makeRangeOptions;\n static makeMinMaxPair = makeMinMaxPair;\n #localStyleSheet = new CSSStyleSheet();\n\n constructor(options = {}) {\n super('Controls', 'muigui-root');\n if (options instanceof HTMLElement) {\n options = {parent: options};\n }\n const {\n autoPlace = true,\n width,\n title = 'Controls',\n } = options;\n let {\n parent,\n } = options;\n\n if (width) {\n this.domElement.style.width = /^\\d+$/.test(width) ? `${width}px` : width;\n }\n if (parent === undefined && autoPlace) {\n parent = document.body;\n this.domElement.classList.add('muigui-auto-place');\n }\n if (parent) {\n const muiguiElement = createElem('muigui-element');\n muiguiElement.shadowRoot.adoptedStyleSheets = [baseStyleSheet, userStyleSheet, this.#localStyleSheet];\n muiguiElement.shadow.appendChild(this.domElement);\n parent.appendChild(muiguiElement);\n }\n if (title) {\n this.title(title);\n }\n this.domElement.classList.add('muigui', 'muigui-colors');\n }\n setStyle(css) {\n this.#localStyleSheet.replace(css);\n }\n static setBaseStyles(css) {\n updateBaseStyle(css);\n }\n static getBaseStyleSheet() {\n return baseStyleSheet;\n }\n static setUserStyles(css) {\n updateUserStyle(css);\n }\n static getUserStyleSheet() {\n return userStyleSheet;\n }\n static setTheme(name) {\n GUI.setBaseStyles(`${css.default}\\n${css.themes[name] || ''}`);\n }\n}\n\nexport default GUI;\n","import Button from './Button.js';\nimport Checkbox from './Checkbox.js';\nimport TextNumber from './TextNumber.js';\nimport Select from './Select.js';\nimport Range from './Range.js';\nimport Text from './Text.js';\n\n// const isConversion = o => typeof o.to === 'function' && typeof o.from === 'function';\n\n/**\n * possible inputs\n * add(o, p, min: number, max: number)\n * add(o, p, min: number, max: number, step: number)\n * add(o, p, array: [value])\n * add(o, p, array: [[key, value]])\n *\n * @param {*} object\n * @param {string} property\n * @param {...any} args\n * @returns {Controller}\n */\nexport function createController(object, property, ...args) {\n const [arg1] = args;\n if (Array.isArray(arg1)) {\n return new Select(object, property, {keyValues: arg1});\n }\n\n const t = typeof object[property];\n switch (t) {\n case 'number':\n if (typeof args[0] === 'number' && typeof args[1] === 'number') {\n const min = args[0];\n const max = args[1];\n const step = args[2];\n return new Range(object, property, {min, max, ...(step && {step})});\n }\n return args.length === 0\n ? new TextNumber(object, property, ...args)\n : new Range(object, property, ...args);\n case 'boolean':\n return new Checkbox(object, property, ...args);\n case 'function':\n return new Button(object, property, ...args);\n case 'string':\n return new Text(object, property, ...args);\n case 'undefined':\n throw new Error(`no property named ${property}`);\n default:\n throw new Error(`unhandled type ${t} for property ${property}`);\n }\n}","function noop() {\n}\n\nconst keyDirections = {\n ArrowLeft: [-1, 0],\n ArrowRight: [1, 0],\n ArrowUp: [0, -1],\n ArrowDown: [0, 1],\n};\n\n// This probably needs to be global\nexport function addKeyboardEvents(elem, {onDown = noop, onUp = noop}) {\n const keyDown = function (event) {\n const mult = event.shiftKey ? 10 : 1;\n const [dx, dy] = (keyDirections[event.key] || [0, 0]).map(v => v * mult);\n const fn = event.type === 'keydown' ? onDown : onUp;\n fn({\n type: event.type.substring(3),\n dx,\n dy,\n event,\n });\n };\n\n elem.addEventListener('keydown', keyDown);\n elem.addEventListener('keyup', keyDown);\n\n return function () {\n elem.removeEventListener('keydown', keyDown);\n elem.removeEventListener('keyup', keyDown);\n };\n}","export function assert(truthy, msg = '') {\n if (!truthy) {\n throw new Error(msg);\n }\n}","import { assert } from '../libs/assert.js';\n\nfunction getEllipsePointForAngle(cx, cy, rx, ry, phi, theta) {\n const m = Math.abs(rx) * Math.cos(theta);\n const n = Math.abs(ry) * Math.sin(theta);\n\n return [\n cx + Math.cos(phi) * m - Math.sin(phi) * n,\n cy + Math.sin(phi) * m + Math.cos(phi) * n,\n ];\n}\n\nfunction getEndpointParameters(cx, cy, rx, ry, phi, theta, dTheta) {\n const [x1, y1] = getEllipsePointForAngle(cx, cy, rx, ry, phi, theta);\n const [x2, y2] = getEllipsePointForAngle(cx, cy, rx, ry, phi, theta + dTheta);\n\n const fa = Math.abs(dTheta) > Math.PI ? 1 : 0;\n const fs = dTheta > 0 ? 1 : 0;\n\n return { x1, y1, x2, y2, fa, fs };\n}\n\nexport function arc(cx, cy, r, start, end) {\n assert(Math.abs(start - end) <= Math.PI * 2);\n assert(start >= -Math.PI && start <= Math.PI * 2);\n assert(start <= end);\n assert(end >= -Math.PI && end <= Math.PI * 4);\n\n const { x1, y1, x2, y2, fa, fs } = getEndpointParameters(cx, cy, r, r, 0, start, end - start);\n return Math.abs(Math.abs(start - end) - Math.PI * 2) > Number.EPSILON\n ? `M${cx} ${cy} L${x1} ${y1} A ${r} ${r} 0 ${fa} ${fs} ${x2} ${y2} L${cx} ${cy}`\n : `M${x1} ${y1} L${x1} ${y1} A ${r} ${r} 0 ${fa} ${fs} ${x2} ${y2}`;\n}\n","import { identity } from '../libs/conversions.js';\nimport { createElem } from '../libs/elem.js';\nimport { addKeyboardEvents } from '../libs/keyboard.js';\nimport { arc } from '../libs/svg.js';\nimport { addTouchEvents } from '../libs/touch.js';\nimport { createWheelHelper } from '../libs/wheel.js';\nimport { clamp, copyExistingProperties, euclideanModulo, lerp, stepify } from '../libs/utils.js';\nimport EditView from './EditView.js';\n\nconst svg = `\n\n \n \n \n \n \n \n \n\n`;\n\nconst twoPiMod = v => euclideanModulo(v + Math.PI, Math.PI * 2) - Math.PI;\n\nexport default class DirectionView extends EditView {\n #arrowElem;\n #rangeElem;\n #lastV;\n #wrap;\n #options = {\n step: 1,\n min: -180,\n max: 180,\n\n /*\n --------\n / -π/2 \\\n / | \\\n |<- -π * |\n | * 0 ->| zero is down the positive X axis\n |<- +π * |\n \\ | /\n \\ π/2 /\n --------\n */\n dirMin: -Math.PI,\n dirMax: Math.PI,\n //dirMin: Math.PI * 0.5,\n //dirMax: Math.PI * 2.5,\n //dirMin: -Math.PI * 0.75, // test 10:30 to 7:30\n //dirMax: Math.PI * 0.75,\n //dirMin: Math.PI * 0.75, // test 7:30 to 10:30\n //dirMax: -Math.PI * 0.75,\n //dirMin: -Math.PI * 0.75, // test 10:30 to 1:30\n //dirMax: -Math.PI * 0.25,\n //dirMin: Math.PI * 0.25, // test 4:30 to 7:30\n //dirMax: Math.PI * 0.75,\n //dirMin: Math.PI * 0.75, // test 4:30 to 7:30\n //dirMax: Math.PI * 0.25,\n wrap: undefined,\n converters: identity,\n };\n\n constructor(setter, options = {}) {\n const wheelHelper = createWheelHelper();\n super(createElem('div', {\n className: 'muigui-direction muigui-no-scroll',\n innerHTML: svg,\n onWheel: e => {\n e.preventDefault();\n const {min, max, step} = this.#options;\n const delta = wheelHelper(e, step);\n let tempV = this.#lastV + delta;\n if (this.#wrap) {\n tempV = euclideanModulo(tempV - min, max - min) + min;\n }\n const newV = clamp(stepify(tempV, v => v, step), min, max);\n setter.setValue(newV);\n },\n }));\n const handleTouch = (e) => {\n const {min, max, step, dirMin, dirMax} = this.#options;\n const nx = e.nx * 2 - 1;\n const ny = e.ny * 2 - 1;\n const a = Math.atan2(ny, nx);\n\n const center = (dirMin + dirMax) / 2;\n\n const centeredAngle = twoPiMod(a - center);\n const centeredStart = twoPiMod(dirMin - center);\n const diff = dirMax - dirMin;\n\n const n = clamp((centeredAngle - centeredStart) / (diff), 0, 1);\n const newV = stepify(min + (max - min) * n, v => v, step);\n setter.setValue(newV);\n };\n addTouchEvents(this.domElement, {\n onDown: handleTouch,\n onMove: handleTouch,\n });\n addKeyboardEvents(this.domElement, {\n onDown: (e) => {\n const {min, max, step} = this.#options;\n const newV = clamp(stepify(this.#lastV + e.dx * step, v => v, step), min, max);\n setter.setValue(newV);\n },\n });\n this.#arrowElem = this.$('#muigui-arrow');\n this.#rangeElem = this.$('#muigui-range');\n this.setOptions(options);\n }\n updateDisplay(v) {\n this.#lastV = v;\n const {min, max} = this.#options;\n const n = (v - min) / (max - min);\n const angle = lerp(this.#options.dirMin, this.#options.dirMax, n);\n this.#arrowElem.style.transform = `rotate(${angle}rad)`;\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n const {dirMin, dirMax, wrap} = this.#options;\n this.#wrap = wrap !== undefined\n ? wrap\n : Math.abs(dirMin - dirMax) >= Math.PI * 2 - Number.EPSILON;\n const [min, max] = dirMin < dirMax ? [dirMin, dirMax] : [dirMax , dirMin];\n this.#rangeElem.setAttribute('d', arc(0, 0, 28.87, min, max));\n }\n}\n","import { identity } from '../libs/conversions.js';\nimport DirectionView from '../views/DirectionView.js';\nimport NumberView from '../views/NumberView.js';\n// import ValueController from './ValueController.js';\nimport PopDownController from './PopDownController.js';\n\n\n// deg2rad\n// where is 0\n// range (0, 360), (-180, +180), (0,0) Really this is a range\n\nexport default class Direction extends PopDownController {\n #options;\n constructor(object, property, options) {\n super(object, property, 'muigui-direction');\nthis.#options = options; // FIX\n this.addTop(new NumberView(this,\nidentity));\n this.addBottom(new DirectionView(this, options));\n this.updateDisplay();\n }\n}\n\n","import { createElem } from '../libs/elem.js';\nimport { makeId } from '../libs/ids.js';\nimport EditView from './EditView.js';\n\nexport default class RadioGridView extends EditView {\n #values;\n\n constructor(setter, keyValues, cols = 3) {\n const values = [];\n const name = makeId();\n super(createElem('div', {}, keyValues.map(([key, value], ndx) => {\n values.push(value);\n return createElem('label', {}, [\n createElem('input', {\n type: 'radio',\n name,\n value: ndx,\n onChange: function () {\n if (this.checked) {\n setter.setFinalValue(that.#values[this.value]);\n }\n },\n }),\n createElem('button', {\n type: 'button',\n textContent: key,\n onClick: function () {\n this.previousElementSibling.click();\n },\n }),\n ]);\n })));\n // eslint-disable-next-line @typescript-eslint/no-this-alias\n const that = this;\n this.#values = values;\n this.cols(cols);\n }\n updateDisplay(v) {\n const ndx = this.#values.indexOf(v);\n for (let i = 0; i < this.domElement.children.length; ++i) {\n this.domElement.children[i].children[0].checked = i === ndx;\n }\n }\n cols(cols) {\n this.domElement.style.gridTemplateColumns = `repeat(${cols}, 1fr)`;\n }\n}\n","import RadioGridView from '../views/RadioGridView.js';\nimport ValueController from './ValueController.js';\nimport { convertToKeyValues } from '../libs/key-values.js';\n\nexport default class RadioGrid extends ValueController {\n constructor(object, property, options) {\n super(object, property, 'muigui-radio-grid');\n const valueIsNumber = typeof this.getValue() === 'number';\n const {\n keyValues: keyValuesInput,\n cols = 3,\n } = options;\n const keyValues = convertToKeyValues(keyValuesInput, valueIsNumber);\n this.add(new RadioGridView(this, keyValues, cols));\n this.updateDisplay();\n }\n}","export function onResize(elem, callback) {\n new ResizeObserver(() => {\n callback({rect: elem.getBoundingClientRect(), elem});\n }).observe(elem);\n}\n\nexport function onResizeSVGNoScale(elem, hAnchor, vAnchor, callback) {\n onResize(elem, ({rect}) => {\n const {width, height} = rect;\n elem.setAttribute('viewBox', `-${width * hAnchor} -${height * vAnchor} ${width} ${height}`);\n callback({elem, rect});\n });\n}\n\nexport function onResizeCanvas(elem, callback) {\n onResize(elem, ({rect}) => {\n const {width, height} = rect;\n elem.width = width;\n elem.height = height;\n callback({elem, rect});\n });\n}\n","import { createElem } from '../libs/elem.js';\nimport { addKeyboardEvents } from '../libs/keyboard.js';\nimport { addTouchEvents } from '../libs/touch.js';\nimport { createWheelHelper } from '../libs/wheel.js';\nimport { onResizeSVGNoScale } from '../libs/resize-helpers.js';\nimport { clamp, copyExistingProperties, stepify } from '../libs/utils.js';\nimport EditView from './EditView.js';\n\nconst svg = `\n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n\n`;\n\nfunction createSVGTicks(start, end, step, min, max, height) {\n const p = [];\n if (start < min) {\n start += stepify(min - start, v => v, step);\n }\n end = Math.min(end, max);\n for (let i = start; i <= end; i += step) {\n p.push(`M${i} 0 l0 ${height}`);\n }\n return p.join(' ');\n}\n\nfunction createSVGNumbers(start, end, unitSize, unit, minusSize, min, max, labelFn) {\n const texts = [];\n if (start < min) {\n start += stepify(min - start, v => v, unitSize);\n }\n end = Math.min(end, max);\n const digits = Math.max(0, -Math.log10(unit));\n const f = v => labelFn(v.toFixed(digits));\n for (let i = start; i <= end; i += unitSize) {\n texts.push(`= 0 ? i : (i - minusSize / 2) }\" y=\"0\">${f(i / unitSize * unit)}`);\n }\n return texts.join('\\n');\n}\n\nfunction computeSizeOfMinus(elem) {\n const oldHTML = elem.innerHTML;\n elem.innerHTML = '- ';\n const text = elem.querySelector('text');\n const size = text.getComputedTextLength();\n elem.innerHTML = oldHTML;\n return size;\n}\n\nexport default class SliderView extends EditView {\n #svgElem;\n #originElem;\n #ticksElem;\n #thicksElem;\n #numbersElem;\n #leftGradElem;\n #rightGradElem;\n #width;\n #height;\n #lastV;\n #minusSize;\n #options = {\n min: -100,\n max: 100,\n step: 1,\n unit: 10,\n unitSize: 10,\n ticksPerUnit: 5,\n labelFn: v => v,\n tickHeight: 1,\n limits: true,\n thicksColor: undefined,\n orientation: undefined,\n };\n\n constructor(setter, options) {\n const wheelHelper = createWheelHelper();\n super(createElem('div', {\n innerHTML: svg,\n className: 'muigui-no-v-scroll',\n onWheel: e => {\n e.preventDefault();\n const {min, max, step} = this.#options;\n const delta = wheelHelper(e, step);\n const newV = clamp(stepify(this.#lastV + delta, v => v, step), min, max);\n setter.setValue(newV);\n },\n }));\n this.#svgElem = this.$('svg');\n this.#originElem = this.$('#muigui-origin');\n this.#ticksElem = this.$('#muigui-ticks');\n this.#thicksElem = this.$('#muigui-thicks');\n this.#numbersElem = this.$('#muigui-numbers');\n this.#leftGradElem = this.$('#muigui-left-grad');\n this.#rightGradElem = this.$('#muigui-right-grad');\n this.setOptions(options);\n let startV;\n addTouchEvents(this.domElement, {\n onDown: () => {\n startV = this.#lastV;\n },\n onMove: (e) => {\n const {min, max, unitSize, unit, step} = this.#options;\n const newV = clamp(stepify(startV - e.dx / unitSize * unit, v => v, step), min, max);\n setter.setValue(newV);\n },\n });\n addKeyboardEvents(this.domElement, {\n onDown: (e) => {\n const {min, max, step} = this.#options;\n const newV = clamp(stepify(this.#lastV + e.dx * step, v => v, step), min, max);\n setter.setValue(newV);\n },\n });\n onResizeSVGNoScale(this.#svgElem, 0.5, 0, ({rect: {width}}) => {\n this.#leftGradElem.setAttribute('x', -width / 2);\n this.#rightGradElem.setAttribute('x', width / 2 - 20);\n this.#minusSize = computeSizeOfMinus(this.#numbersElem);\n this.#width = width;\n this.#updateSlider();\n });\n }\n // |--------V--------|\n // . . | . . . | . . . |\n //\n #updateSlider() {\n // There's no size if ResizeObserver has not fired yet.\n if (!this.#width || this.#lastV === undefined) {\n return;\n }\n const {\n labelFn,\n limits,\n min,\n max,\n orientation,\n tickHeight,\n ticksPerUnit,\n unit,\n unitSize,\n thicksColor,\n } = this.#options;\n const unitsAcross = Math.ceil(this.#width / unitSize);\n const center = this.#lastV;\n const centerUnitSpace = center / unit;\n const startUnitSpace = Math.round(centerUnitSpace - unitsAcross);\n const endUnitSpace = startUnitSpace + unitsAcross * 2;\n const start = startUnitSpace * unitSize;\n const end = endUnitSpace * unitSize;\n const minUnitSpace = limits ? min * unitSize / unit : start;\n const maxUnitSpace = limits ? max * unitSize / unit : end;\n const height = labelFn(1) === '' ? 10 : 5;\n if (ticksPerUnit > 1) {\n this.#ticksElem.setAttribute('d', createSVGTicks(start, end, unitSize / ticksPerUnit, minUnitSpace, maxUnitSpace, height * tickHeight));\n }\n this.#thicksElem.style.stroke = thicksColor; //setAttribute('stroke', thicksColor);\n this.#thicksElem.setAttribute('d', createSVGTicks(start, end, unitSize, minUnitSpace, maxUnitSpace, height));\n this.#numbersElem.innerHTML = createSVGNumbers(start, end, unitSize, unit, this.#minusSize, minUnitSpace, maxUnitSpace, labelFn);\n this.#originElem.setAttribute('transform', `translate(${-this.#lastV * unitSize / unit} 0)`);\n this.#svgElem.classList.toggle('muigui-slider-up', orientation === 'up');\n }\n updateDisplay(v) {\n this.#lastV = v;\n this.#updateSlider();\n }\n setOptions(options) {\n copyExistingProperties(this.#options, options);\n return this;\n }\n}\n","import ValueController from './ValueController.js';\nimport NumberView from '../views/NumberView.js';\nimport SliderView from '../views/SliderView.js';\n\nexport default class Slider extends ValueController {\n constructor(object, property, options = {}) {\n super(object, property, 'muigui-slider');\n this.add(new SliderView(this, options));\n this.add(new NumberView(this, options));\n this.updateDisplay();\n }\n}\n","import { createElem } from '../libs/elem.js';\nimport { addTouchEvents } from '../libs/touch.js';\nimport { onResizeSVGNoScale } from '../libs/resize-helpers.js';\nimport EditView from './EditView.js';\n\nconst svg = `\n\n \n \n \n \n \n\n`;\n\nexport default class Vec2View extends EditView {\n #svgElem;\n #arrowElem;\n #circleElem;\n #lastV = [];\n\n constructor(setter) {\n super(createElem('div', {\n innerHTML: svg,\n className: 'muigui-no-scroll',\n }));\n const onTouch = (e) => {\n const {width, height} = this.#svgElem.getBoundingClientRect();\n const nx = e.nx * 2 - 1;\n const ny = e.ny * 2 - 1;\n setter.setValue([nx * width * 0.5, ny * height * 0.5]);\n };\n addTouchEvents(this.domElement, {\n onDown: onTouch,\n onMove: onTouch,\n });\n this.#svgElem = this.$('svg');\n this.#arrowElem = this.$('#muigui-arrow');\n this.#circleElem = this.$('#muigui-circle');\n onResizeSVGNoScale(this.#svgElem, 0.5, 0.5, () => this.#updateDisplayImpl);\n }\n #updateDisplayImpl() {\n const [x, y] = this.#lastV;\n this.#arrowElem.setAttribute('d', `M0,0L${x},${y}`);\n this.#circleElem.setAttribute('transform', `translate(${x}, ${y})`);\n }\n updateDisplay(v) {\n this.#lastV[0] = v[0];\n this.#lastV[1] = v[1];\n this.#updateDisplayImpl();\n }\n}\n","import NumberView from '../views/NumberView.js';\nimport Vec2View from '../views/Vec2View.js';\nimport PopDownController from './PopDownController.js';\nimport { strToNumber } from '../libs/conversions.js';\n\n// TODO: zoom with wheel and pinch?\n// TODO: grid?\n// // options\n// scale:\n// range: number (both x and y + /)\n// range: array (min, max)\n// xRange:\n// deg/rad/turn\n\nexport default class Vec2 extends PopDownController {\n constructor(object, property) {\n super(object, property, 'muigui-vec2');\n\n const makeSetter = (ndx) => {\n return {\n setValue: (v) => {\n const newV = this.getValue();\n newV[ndx] = v;\n this.setValue(newV);\n },\n setFinalValue: (v) => {\n const newV = this.getValue();\n newV[ndx] = v;\n this.setFinalValue(newV);\n },\n };\n };\n\n this.addTop(new NumberView(makeSetter(0), {\n converters: {\n to: v => v[0],\n from: strToNumber.from,\n },\n }));\n this.addTop(new NumberView(makeSetter(1), {\n converters: {\n to: v => v[1],\n from: strToNumber.from,\n },\n }));\n this.addBottom(new Vec2View(this));\n this.updateDisplay();\n 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\ No newline at end of file diff --git a/dist/0.x/styles/muigui.css.d.ts b/dist/0.x/styles/muigui.css.d.ts new file mode 100644 index 0000000..8ba9894 --- /dev/null +++ b/dist/0.x/styles/muigui.css.d.ts @@ -0,0 +1,10 @@ +declare namespace _default { + let _default: string; + export { _default as default }; + export namespace themes { + let _default_1: string; + export { _default_1 as default }; + export let float: string; + } +} +export default _default; diff --git a/dist/0.x/views/CheckboxView.d.ts b/dist/0.x/views/CheckboxView.d.ts new file mode 100644 index 0000000..c59b489 --- /dev/null +++ b/dist/0.x/views/CheckboxView.d.ts @@ -0,0 +1,6 @@ +export default class CheckboxView extends EditView { + constructor(setter: any, id: any); + updateDisplay(v: any): void; + #private; +} +import EditView from './EditView.js'; diff --git a/dist/0.x/views/ColorChooserView.d.ts b/dist/0.x/views/ColorChooserView.d.ts new file mode 100644 index 0000000..3d3e6bf --- /dev/null +++ b/dist/0.x/views/ColorChooserView.d.ts @@ -0,0 +1,7 @@ +export default class ColorChooserView extends EditView { + constructor(setter: any, options: any); + updateDisplay(newV: any): void; + setOptions(options: any): this; + #private; +} +import EditView from './EditView.js'; diff --git a/dist/0.x/views/ColorView.d.ts b/dist/0.x/views/ColorView.d.ts new file mode 100644 index 0000000..c720fce --- /dev/null +++ b/dist/0.x/views/ColorView.d.ts @@ -0,0 +1,7 @@ +export default class ColorView extends EditView { + constructor(setter: any, options: any); + updateDisplay(v: any): void; + setOptions(options: any): this; + #private; +} +import EditView from './EditView.js'; diff --git a/dist/0.x/views/DirectionView.d.ts b/dist/0.x/views/DirectionView.d.ts new file mode 100644 index 0000000..02b64d8 --- /dev/null +++ b/dist/0.x/views/DirectionView.d.ts @@ -0,0 +1,7 @@ +export default class DirectionView extends EditView { + constructor(setter: any, options?: {}); + updateDisplay(v: any): void; + setOptions(options: any): void; + #private; +} +import EditView from './EditView.js'; diff --git a/dist/0.x/views/EditView.d.ts b/dist/0.x/views/EditView.d.ts new file mode 100644 index 0000000..a9b29b2 --- /dev/null +++ b/dist/0.x/views/EditView.d.ts @@ -0,0 +1,6 @@ +export default class EditView extends View { + updateDisplayIfNeeded(newV: any, ignoreCache: any): void; + setOptions(): this; + #private; +} +import View from './View.js'; diff --git a/dist/0.x/views/ElementView.d.ts b/dist/0.x/views/ElementView.d.ts new file mode 100644 index 0000000..8c9129b --- /dev/null +++ b/dist/0.x/views/ElementView.d.ts @@ -0,0 +1,4 @@ +export default class ElementView extends View { + constructor(tag: any, className: any); +} +import View from './View.js'; diff --git a/dist/0.x/views/NumberView.d.ts b/dist/0.x/views/NumberView.d.ts new file mode 100644 index 0000000..60ab85f --- /dev/null +++ b/dist/0.x/views/NumberView.d.ts @@ -0,0 +1,7 @@ +export default class NumberView extends EditView { + constructor(setter: any, options: any); + updateDisplay(v: any): void; + setOptions(options: any): this; + #private; +} +import EditView from './EditView.js'; diff --git a/dist/0.x/views/RadioGridView.d.ts b/dist/0.x/views/RadioGridView.d.ts new file mode 100644 index 0000000..22fa167 --- /dev/null +++ b/dist/0.x/views/RadioGridView.d.ts @@ -0,0 +1,7 @@ +export default class RadioGridView extends EditView { + constructor(setter: any, keyValues: any, cols?: number); + updateDisplay(v: any): void; + cols(cols: any): void; + #private; +} +import EditView from './EditView.js'; diff --git a/dist/0.x/views/RangeView.d.ts b/dist/0.x/views/RangeView.d.ts new file mode 100644 index 0000000..5f0a8fe --- /dev/null +++ b/dist/0.x/views/RangeView.d.ts @@ -0,0 +1,7 @@ +export default class RangeView extends EditView { + constructor(setter: any, options: any); + updateDisplay(v: any): void; + setOptions(options: any): this; + #private; +} +import EditView from './EditView.js'; diff --git a/dist/0.x/views/SelectView.d.ts b/dist/0.x/views/SelectView.d.ts new file mode 100644 index 0000000..a285fa0 --- /dev/null +++ b/dist/0.x/views/SelectView.d.ts @@ -0,0 +1,6 @@ +export default class SelectView extends EditView { + constructor(setter: any, keyValues: any); + updateDisplay(v: any): void; + #private; +} +import EditView from './EditView.js'; diff --git a/dist/0.x/views/SliderView.d.ts b/dist/0.x/views/SliderView.d.ts new file mode 100644 index 0000000..548e030 --- /dev/null +++ b/dist/0.x/views/SliderView.d.ts @@ -0,0 +1,7 @@ +export default class SliderView extends EditView { + constructor(setter: any, options: any); + updateDisplay(v: any): void; + setOptions(options: any): this; + #private; +} +import EditView from './EditView.js'; diff --git a/dist/0.x/views/TextView.d.ts b/dist/0.x/views/TextView.d.ts new file mode 100644 index 0000000..1e16541 --- /dev/null +++ b/dist/0.x/views/TextView.d.ts @@ -0,0 +1,7 @@ +export default class TextView extends EditView { + constructor(setter: any, options: any); + updateDisplay(v: any): void; + setOptions(options: any): this; + #private; +} +import EditView from './EditView.js'; diff --git a/dist/0.x/views/ValueView.d.ts b/dist/0.x/views/ValueView.d.ts new file mode 100644 index 0000000..bb0bcf1 --- /dev/null +++ b/dist/0.x/views/ValueView.d.ts @@ -0,0 +1,4 @@ +export default class ValueView extends View { + constructor(className?: string); +} +import View from './View.js'; diff --git a/dist/0.x/views/Vec2View.d.ts b/dist/0.x/views/Vec2View.d.ts new file mode 100644 index 0000000..03df976 --- /dev/null +++ b/dist/0.x/views/Vec2View.d.ts @@ -0,0 +1,6 @@ +export default class Vec2View extends EditView { + constructor(setter: any); + updateDisplay(v: any): void; + #private; +} +import EditView from './EditView.js'; diff --git a/dist/0.x/views/View.d.ts b/dist/0.x/views/View.d.ts new file mode 100644 index 0000000..058dcb3 --- /dev/null +++ b/dist/0.x/views/View.d.ts @@ -0,0 +1,16 @@ +export default class View { + #private; + domElement: HTMLElement; + constructor(elem: HTMLElement); + addElem(elem: HTMLElement): HTMLElement; + removeElem(elem: HTMLElement): HTMLElement; + pushSubElem(elem: HTMLElement): void; + popSubElem(): void; + add(view: View): View; + remove(view: View): View; + pushSubView(view: View): void; + popSubView(): void; + setOptions(options: any): void; + updateDisplayIfNeeded(newV: any, ignoreCache?: boolean): this; + $(selector: string): Element | null; +} diff --git a/examples/3rdParty/threejs/build/three.module.js b/examples/3rdParty/threejs/build/three.module.js new file mode 100644 index 0000000..4630d4a --- /dev/null +++ b/examples/3rdParty/threejs/build/three.module.js @@ -0,0 +1,49023 @@ +/** + * @license + * Copyright 2010-2022 Three.js Authors + * SPDX-License-Identifier: MIT + */ +const REVISION = '142'; +const MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2, ROTATE: 0, DOLLY: 1, PAN: 2 }; +const TOUCH = { ROTATE: 0, PAN: 1, DOLLY_PAN: 2, DOLLY_ROTATE: 3 }; +const CullFaceNone = 0; +const CullFaceBack = 1; +const CullFaceFront = 2; +const CullFaceFrontBack = 3; +const BasicShadowMap = 0; +const PCFShadowMap = 1; +const PCFSoftShadowMap = 2; +const VSMShadowMap = 3; +const FrontSide = 0; +const BackSide = 1; +const DoubleSide = 2; +const FlatShading = 1; +const SmoothShading = 2; +const NoBlending = 0; +const NormalBlending = 1; +const AdditiveBlending = 2; +const SubtractiveBlending = 3; +const MultiplyBlending = 4; +const CustomBlending = 5; +const AddEquation = 100; +const SubtractEquation = 101; +const ReverseSubtractEquation = 102; +const MinEquation = 103; +const MaxEquation = 104; +const ZeroFactor = 200; +const OneFactor = 201; +const SrcColorFactor = 202; +const OneMinusSrcColorFactor = 203; +const SrcAlphaFactor = 204; +const OneMinusSrcAlphaFactor = 205; +const DstAlphaFactor = 206; +const OneMinusDstAlphaFactor = 207; +const DstColorFactor = 208; +const OneMinusDstColorFactor = 209; +const SrcAlphaSaturateFactor = 210; +const NeverDepth = 0; +const AlwaysDepth = 1; +const LessDepth = 2; +const LessEqualDepth = 3; +const EqualDepth = 4; +const GreaterEqualDepth = 5; +const GreaterDepth = 6; +const NotEqualDepth = 7; +const MultiplyOperation = 0; +const MixOperation = 1; +const AddOperation = 2; +const NoToneMapping = 0; +const LinearToneMapping = 1; +const ReinhardToneMapping = 2; +const CineonToneMapping = 3; +const ACESFilmicToneMapping = 4; +const CustomToneMapping = 5; + +const UVMapping = 300; +const CubeReflectionMapping = 301; +const CubeRefractionMapping = 302; +const EquirectangularReflectionMapping = 303; +const EquirectangularRefractionMapping = 304; +const CubeUVReflectionMapping = 306; +const RepeatWrapping = 1000; +const ClampToEdgeWrapping = 1001; +const MirroredRepeatWrapping = 1002; +const NearestFilter = 1003; +const NearestMipmapNearestFilter = 1004; +const NearestMipMapNearestFilter = 1004; +const NearestMipmapLinearFilter = 1005; +const NearestMipMapLinearFilter = 1005; +const LinearFilter = 1006; +const LinearMipmapNearestFilter = 1007; +const LinearMipMapNearestFilter = 1007; +const LinearMipmapLinearFilter = 1008; +const LinearMipMapLinearFilter = 1008; +const UnsignedByteType = 1009; +const ByteType = 1010; +const ShortType = 1011; +const UnsignedShortType = 1012; +const IntType = 1013; +const UnsignedIntType = 1014; +const FloatType = 1015; +const HalfFloatType = 1016; +const UnsignedShort4444Type = 1017; +const UnsignedShort5551Type = 1018; +const UnsignedInt248Type = 1020; +const AlphaFormat = 1021; +const RGBFormat = 1022; +const RGBAFormat = 1023; +const LuminanceFormat = 1024; +const LuminanceAlphaFormat = 1025; +const DepthFormat = 1026; +const DepthStencilFormat = 1027; +const RedFormat = 1028; +const RedIntegerFormat = 1029; +const RGFormat = 1030; +const RGIntegerFormat = 1031; +const RGBAIntegerFormat = 1033; + +const RGB_S3TC_DXT1_Format = 33776; +const RGBA_S3TC_DXT1_Format = 33777; +const RGBA_S3TC_DXT3_Format = 33778; +const RGBA_S3TC_DXT5_Format = 33779; +const RGB_PVRTC_4BPPV1_Format = 35840; +const RGB_PVRTC_2BPPV1_Format = 35841; +const RGBA_PVRTC_4BPPV1_Format = 35842; +const RGBA_PVRTC_2BPPV1_Format = 35843; +const RGB_ETC1_Format = 36196; +const RGB_ETC2_Format = 37492; +const RGBA_ETC2_EAC_Format = 37496; +const RGBA_ASTC_4x4_Format = 37808; +const RGBA_ASTC_5x4_Format = 37809; +const RGBA_ASTC_5x5_Format = 37810; +const RGBA_ASTC_6x5_Format = 37811; +const RGBA_ASTC_6x6_Format = 37812; +const RGBA_ASTC_8x5_Format = 37813; +const RGBA_ASTC_8x6_Format = 37814; +const RGBA_ASTC_8x8_Format = 37815; +const RGBA_ASTC_10x5_Format = 37816; +const RGBA_ASTC_10x6_Format = 37817; +const RGBA_ASTC_10x8_Format = 37818; +const RGBA_ASTC_10x10_Format = 37819; +const RGBA_ASTC_12x10_Format = 37820; +const RGBA_ASTC_12x12_Format = 37821; +const RGBA_BPTC_Format = 36492; +const LoopOnce = 2200; +const LoopRepeat = 2201; +const LoopPingPong = 2202; +const InterpolateDiscrete = 2300; +const InterpolateLinear = 2301; +const InterpolateSmooth = 2302; +const ZeroCurvatureEnding = 2400; +const ZeroSlopeEnding = 2401; +const WrapAroundEnding = 2402; +const NormalAnimationBlendMode = 2500; +const AdditiveAnimationBlendMode = 2501; +const TrianglesDrawMode = 0; +const TriangleStripDrawMode = 1; +const TriangleFanDrawMode = 2; +const LinearEncoding = 3000; +const sRGBEncoding = 3001; +const BasicDepthPacking = 3200; +const RGBADepthPacking = 3201; +const TangentSpaceNormalMap = 0; +const ObjectSpaceNormalMap = 1; + +// Color space string identifiers, matching CSS Color Module Level 4 and WebGPU names where available. +const NoColorSpace = ''; +const SRGBColorSpace = 'srgb'; +const LinearSRGBColorSpace = 'srgb-linear'; + +const ZeroStencilOp = 0; +const KeepStencilOp = 7680; +const ReplaceStencilOp = 7681; +const IncrementStencilOp = 7682; +const DecrementStencilOp = 7683; +const IncrementWrapStencilOp = 34055; +const DecrementWrapStencilOp = 34056; +const InvertStencilOp = 5386; + +const NeverStencilFunc = 512; +const LessStencilFunc = 513; +const EqualStencilFunc = 514; +const LessEqualStencilFunc = 515; +const GreaterStencilFunc = 516; +const NotEqualStencilFunc = 517; +const GreaterEqualStencilFunc = 518; +const AlwaysStencilFunc = 519; + +const StaticDrawUsage = 35044; +const DynamicDrawUsage = 35048; +const StreamDrawUsage = 35040; +const StaticReadUsage = 35045; +const DynamicReadUsage = 35049; +const StreamReadUsage = 35041; +const StaticCopyUsage = 35046; +const DynamicCopyUsage = 35050; +const StreamCopyUsage = 35042; + +const GLSL1 = '100'; +const GLSL3 = '300 es'; + +const _SRGBAFormat = 1035; // fallback for WebGL 1 + +/** + * https://github.com/mrdoob/eventdispatcher.js/ + */ + +class EventDispatcher { + + addEventListener( type, listener ) { + + if ( this._listeners === undefined ) this._listeners = {}; + + const listeners = this._listeners; + + if ( listeners[ type ] === undefined ) { + + listeners[ type ] = []; + + } + + if ( listeners[ type ].indexOf( listener ) === - 1 ) { + + listeners[ type ].push( listener ); + + } + + } + + hasEventListener( type, listener ) { + + if ( this._listeners === undefined ) return false; + + const listeners = this._listeners; + + return listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== - 1; + + } + + removeEventListener( type, listener ) { + + if ( this._listeners === undefined ) return; + + const listeners = this._listeners; + const listenerArray = listeners[ type ]; + + if ( listenerArray !== undefined ) { + + const index = listenerArray.indexOf( listener ); + + if ( index !== - 1 ) { + + listenerArray.splice( index, 1 ); + + } + + } + + } + + dispatchEvent( event ) { + + if ( this._listeners === undefined ) return; + + const listeners = this._listeners; + const listenerArray = listeners[ event.type ]; + + if ( listenerArray !== undefined ) { + + event.target = this; + + // Make a copy, in case listeners are removed while iterating. + const array = listenerArray.slice( 0 ); + + for ( let i = 0, l = array.length; i < l; i ++ ) { + + array[ i ].call( this, event ); + + } + + event.target = null; + + } + + } + +} + +const _lut = [ '00', '01', '02', '03', '04', '05', '06', '07', '08', '09', '0a', '0b', '0c', '0d', '0e', '0f', '10', '11', '12', '13', '14', '15', '16', '17', '18', '19', '1a', '1b', '1c', '1d', '1e', '1f', '20', '21', '22', '23', '24', '25', '26', '27', '28', '29', '2a', '2b', '2c', '2d', '2e', '2f', '30', '31', '32', '33', '34', '35', '36', '37', '38', '39', '3a', '3b', '3c', '3d', '3e', '3f', '40', '41', '42', '43', '44', '45', '46', '47', '48', '49', '4a', '4b', '4c', '4d', '4e', '4f', '50', '51', '52', '53', '54', '55', '56', '57', '58', '59', '5a', '5b', '5c', '5d', '5e', '5f', '60', '61', '62', '63', '64', '65', '66', '67', '68', '69', '6a', '6b', '6c', '6d', '6e', '6f', '70', '71', '72', '73', '74', '75', '76', '77', '78', '79', '7a', '7b', '7c', '7d', '7e', '7f', '80', '81', '82', '83', '84', '85', '86', '87', '88', '89', '8a', '8b', '8c', '8d', '8e', '8f', '90', '91', '92', '93', '94', '95', '96', '97', '98', '99', '9a', '9b', '9c', '9d', '9e', '9f', 'a0', 'a1', 'a2', 'a3', 'a4', 'a5', 'a6', 'a7', 'a8', 'a9', 'aa', 'ab', 'ac', 'ad', 'ae', 'af', 'b0', 'b1', 'b2', 'b3', 'b4', 'b5', 'b6', 'b7', 'b8', 'b9', 'ba', 'bb', 'bc', 'bd', 'be', 'bf', 'c0', 'c1', 'c2', 'c3', 'c4', 'c5', 'c6', 'c7', 'c8', 'c9', 'ca', 'cb', 'cc', 'cd', 'ce', 'cf', 'd0', 'd1', 'd2', 'd3', 'd4', 'd5', 'd6', 'd7', 'd8', 'd9', 'da', 'db', 'dc', 'dd', 'de', 'df', 'e0', 'e1', 'e2', 'e3', 'e4', 'e5', 'e6', 'e7', 'e8', 'e9', 'ea', 'eb', 'ec', 'ed', 'ee', 'ef', 'f0', 'f1', 'f2', 'f3', 'f4', 'f5', 'f6', 'f7', 'f8', 'f9', 'fa', 'fb', 'fc', 'fd', 'fe', 'ff' ]; + +let _seed = 1234567; + + +const DEG2RAD = Math.PI / 180; +const RAD2DEG = 180 / Math.PI; + +// http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript/21963136#21963136 +function generateUUID() { + + const d0 = Math.random() * 0xffffffff | 0; + const d1 = Math.random() * 0xffffffff | 0; + const d2 = Math.random() * 0xffffffff | 0; + const d3 = Math.random() * 0xffffffff | 0; + const uuid = _lut[ d0 & 0xff ] + _lut[ d0 >> 8 & 0xff ] + _lut[ d0 >> 16 & 0xff ] + _lut[ d0 >> 24 & 0xff ] + '-' + + _lut[ d1 & 0xff ] + _lut[ d1 >> 8 & 0xff ] + '-' + _lut[ d1 >> 16 & 0x0f | 0x40 ] + _lut[ d1 >> 24 & 0xff ] + '-' + + _lut[ d2 & 0x3f | 0x80 ] + _lut[ d2 >> 8 & 0xff ] + '-' + _lut[ d2 >> 16 & 0xff ] + _lut[ d2 >> 24 & 0xff ] + + _lut[ d3 & 0xff ] + _lut[ d3 >> 8 & 0xff ] + _lut[ d3 >> 16 & 0xff ] + _lut[ d3 >> 24 & 0xff ]; + + // .toLowerCase() here flattens concatenated strings to save heap memory space. + return uuid.toLowerCase(); + +} + +function clamp( value, min, max ) { + + return Math.max( min, Math.min( max, value ) ); + +} + +// compute euclidean modulo of m % n +// https://en.wikipedia.org/wiki/Modulo_operation +function euclideanModulo( n, m ) { + + return ( ( n % m ) + m ) % m; + +} + +// Linear mapping from range to range +function mapLinear( x, a1, a2, b1, b2 ) { + + return b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 ); + +} + +// https://www.gamedev.net/tutorials/programming/general-and-gameplay-programming/inverse-lerp-a-super-useful-yet-often-overlooked-function-r5230/ +function inverseLerp( x, y, value ) { + + if ( x !== y ) { + + return ( value - x ) / ( y - x ); + + } else { + + return 0; + + } + +} + +// https://en.wikipedia.org/wiki/Linear_interpolation +function lerp( x, y, t ) { + + return ( 1 - t ) * x + t * y; + +} + +// http://www.rorydriscoll.com/2016/03/07/frame-rate-independent-damping-using-lerp/ +function damp( x, y, lambda, dt ) { + + return lerp( x, y, 1 - Math.exp( - lambda * dt ) ); + +} + +// https://www.desmos.com/calculator/vcsjnyz7x4 +function pingpong( x, length = 1 ) { + + return length - Math.abs( euclideanModulo( x, length * 2 ) - length ); + +} + +// http://en.wikipedia.org/wiki/Smoothstep +function smoothstep( x, min, max ) { + + if ( x <= min ) return 0; + if ( x >= max ) return 1; + + x = ( x - min ) / ( max - min ); + + return x * x * ( 3 - 2 * x ); + +} + +function smootherstep( x, min, max ) { + + if ( x <= min ) return 0; + if ( x >= max ) return 1; + + x = ( x - min ) / ( max - min ); + + return x * x * x * ( x * ( x * 6 - 15 ) + 10 ); + +} + +// Random integer from interval +function randInt( low, high ) { + + return low + Math.floor( Math.random() * ( high - low + 1 ) ); + +} + +// Random float from interval +function randFloat( low, high ) { + + return low + Math.random() * ( high - low ); + +} + +// Random float from <-range/2, range/2> interval +function randFloatSpread( range ) { + + return range * ( 0.5 - Math.random() ); + +} + +// Deterministic pseudo-random float in the interval [ 0, 1 ] +function seededRandom( s ) { + + if ( s !== undefined ) _seed = s; + + // Mulberry32 generator + + let t = _seed += 0x6D2B79F5; + + t = Math.imul( t ^ t >>> 15, t | 1 ); + + t ^= t + Math.imul( t ^ t >>> 7, t | 61 ); + + return ( ( t ^ t >>> 14 ) >>> 0 ) / 4294967296; + +} + +function degToRad( degrees ) { + + return degrees * DEG2RAD; + +} + +function radToDeg( radians ) { + + return radians * RAD2DEG; + +} + +function isPowerOfTwo( value ) { + + return ( value & ( value - 1 ) ) === 0 && value !== 0; + +} + +function ceilPowerOfTwo( value ) { + + return Math.pow( 2, Math.ceil( Math.log( value ) / Math.LN2 ) ); + +} + +function floorPowerOfTwo( value ) { + + return Math.pow( 2, Math.floor( Math.log( value ) / Math.LN2 ) ); + +} + +function setQuaternionFromProperEuler( q, a, b, c, order ) { + + // Intrinsic Proper Euler Angles - see https://en.wikipedia.org/wiki/Euler_angles + + // rotations are applied to the axes in the order specified by 'order' + // rotation by angle 'a' is applied first, then by angle 'b', then by angle 'c' + // angles are in radians + + const cos = Math.cos; + const sin = Math.sin; + + const c2 = cos( b / 2 ); + const s2 = sin( b / 2 ); + + const c13 = cos( ( a + c ) / 2 ); + const s13 = sin( ( a + c ) / 2 ); + + const c1_3 = cos( ( a - c ) / 2 ); + const s1_3 = sin( ( a - c ) / 2 ); + + const c3_1 = cos( ( c - a ) / 2 ); + const s3_1 = sin( ( c - a ) / 2 ); + + switch ( order ) { + + case 'XYX': + q.set( c2 * s13, s2 * c1_3, s2 * s1_3, c2 * c13 ); + break; + + case 'YZY': + q.set( s2 * s1_3, c2 * s13, s2 * c1_3, c2 * c13 ); + break; + + case 'ZXZ': + q.set( s2 * c1_3, s2 * s1_3, c2 * s13, c2 * c13 ); + break; + + case 'XZX': + q.set( c2 * s13, s2 * s3_1, s2 * c3_1, c2 * c13 ); + break; + + case 'YXY': + q.set( s2 * c3_1, c2 * s13, s2 * s3_1, c2 * c13 ); + break; + + case 'ZYZ': + q.set( s2 * s3_1, s2 * c3_1, c2 * s13, c2 * c13 ); + break; + + default: + console.warn( 'THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: ' + order ); + + } + +} + +function denormalize$1( value, array ) { + + switch ( array.constructor ) { + + case Float32Array: + + return value; + + case Uint16Array: + + return value / 65535.0; + + case Uint8Array: + + return value / 255.0; + + case Int16Array: + + return Math.max( value / 32767.0, - 1.0 ); + + case Int8Array: + + return Math.max( value / 127.0, - 1.0 ); + + default: + + throw new Error( 'Invalid component type.' ); + + } + +} + +function normalize( value, array ) { + + switch ( array.constructor ) { + + case Float32Array: + + return value; + + case Uint16Array: + + return Math.round( value * 65535.0 ); + + case Uint8Array: + + return Math.round( value * 255.0 ); + + case Int16Array: + + return Math.round( value * 32767.0 ); + + case Int8Array: + + return Math.round( value * 127.0 ); + + default: + + throw new Error( 'Invalid component type.' ); + + } + +} + +var MathUtils = /*#__PURE__*/Object.freeze({ + __proto__: null, + DEG2RAD: DEG2RAD, + RAD2DEG: RAD2DEG, + generateUUID: generateUUID, + clamp: clamp, + euclideanModulo: euclideanModulo, + mapLinear: mapLinear, + inverseLerp: inverseLerp, + lerp: lerp, + damp: damp, + pingpong: pingpong, + smoothstep: smoothstep, + smootherstep: smootherstep, + randInt: randInt, + randFloat: randFloat, + randFloatSpread: randFloatSpread, + seededRandom: seededRandom, + degToRad: degToRad, + radToDeg: radToDeg, + isPowerOfTwo: isPowerOfTwo, + ceilPowerOfTwo: ceilPowerOfTwo, + floorPowerOfTwo: floorPowerOfTwo, + setQuaternionFromProperEuler: setQuaternionFromProperEuler, + normalize: normalize, + denormalize: denormalize$1 +}); + +class Vector2 { + + constructor( x = 0, y = 0 ) { + + Vector2.prototype.isVector2 = true; + + this.x = x; + this.y = y; + + } + + get width() { + + return this.x; + + } + + set width( value ) { + + this.x = value; + + } + + get height() { + + return this.y; + + } + + set height( value ) { + + this.y = value; + + } + + set( x, y ) { + + this.x = x; + this.y = y; + + return this; + + } + + setScalar( scalar ) { + + this.x = scalar; + this.y = scalar; + + return this; + + } + + setX( x ) { + + this.x = x; + + return this; + + } + + setY( y ) { + + this.y = y; + + return this; + + } + + setComponent( index, value ) { + + switch ( index ) { + + case 0: this.x = value; break; + case 1: this.y = value; break; + default: throw new Error( 'index is out of range: ' + index ); + + } + + return this; + + } + + getComponent( index ) { + + switch ( index ) { + + case 0: return this.x; + case 1: return this.y; + default: throw new Error( 'index is out of range: ' + index ); + + } + + } + + clone() { + + return new this.constructor( this.x, this.y ); + + } + + copy( v ) { + + this.x = v.x; + this.y = v.y; + + return this; + + } + + add( v, w ) { + + if ( w !== undefined ) { + + console.warn( 'THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' ); + return this.addVectors( v, w ); + + } + + this.x += v.x; + this.y += v.y; + + return this; + + } + + addScalar( s ) { + + this.x += s; + this.y += s; + + return this; + + } + + addVectors( a, b ) { + + this.x = a.x + b.x; + this.y = a.y + b.y; + + return this; + + } + + addScaledVector( v, s ) { + + this.x += v.x * s; + this.y += v.y * s; + + return this; + + } + + sub( v, w ) { + + if ( w !== undefined ) { + + console.warn( 'THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' ); + return this.subVectors( v, w ); + + } + + this.x -= v.x; + this.y -= v.y; + + return this; + + } + + subScalar( s ) { + + this.x -= s; + this.y -= s; + + return this; + + } + + subVectors( a, b ) { + + this.x = a.x - b.x; + this.y = a.y - b.y; + + return this; + + } + + multiply( v ) { + + this.x *= v.x; + this.y *= v.y; + + return this; + + } + + multiplyScalar( scalar ) { + + this.x *= scalar; + this.y *= scalar; + + return this; + + } + + divide( v ) { + + this.x /= v.x; + this.y /= v.y; + + return this; + + } + + divideScalar( scalar ) { + + return this.multiplyScalar( 1 / scalar ); + + } + + applyMatrix3( m ) { + + const x = this.x, y = this.y; + const e = m.elements; + + this.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ]; + this.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ]; + + return this; + + } + + min( v ) { + + this.x = Math.min( this.x, v.x ); + this.y = Math.min( this.y, v.y ); + + return this; + + } + + max( v ) { + + this.x = Math.max( this.x, v.x ); + this.y = Math.max( this.y, v.y ); + + return this; + + } + + clamp( min, max ) { + + // assumes min < max, componentwise + + this.x = Math.max( min.x, Math.min( max.x, this.x ) ); + this.y = Math.max( min.y, Math.min( max.y, this.y ) ); + + return this; + + } + + clampScalar( minVal, maxVal ) { + + this.x = Math.max( minVal, Math.min( maxVal, this.x ) ); + this.y = Math.max( minVal, Math.min( maxVal, this.y ) ); + + return this; + + } + + clampLength( min, max ) { + + const length = this.length(); + + return this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) ); + + } + + floor() { + + this.x = Math.floor( this.x ); + this.y = Math.floor( this.y ); + + return this; + + } + + ceil() { + + this.x = Math.ceil( this.x ); + this.y = Math.ceil( this.y ); + + return this; + + } + + round() { + + this.x = Math.round( this.x ); + this.y = Math.round( this.y ); + + return this; + + } + + roundToZero() { + + this.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x ); + this.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y ); + + return this; + + } + + negate() { + + this.x = - this.x; + this.y = - this.y; + + return this; + + } + + dot( v ) { + + return this.x * v.x + this.y * v.y; + + } + + cross( v ) { + + return this.x * v.y - this.y * v.x; + + } + + lengthSq() { + + return this.x * this.x + this.y * this.y; + + } + + length() { + + return Math.sqrt( this.x * this.x + this.y * this.y ); + + } + + manhattanLength() { + + return Math.abs( this.x ) + Math.abs( this.y ); + + } + + normalize() { + + return this.divideScalar( this.length() || 1 ); + + } + + angle() { + + // computes the angle in radians with respect to the positive x-axis + + const angle = Math.atan2( - this.y, - this.x ) + Math.PI; + + return angle; + + } + + distanceTo( v ) { + + return Math.sqrt( this.distanceToSquared( v ) ); + + } + + distanceToSquared( v ) { + + const dx = this.x - v.x, dy = this.y - v.y; + return dx * dx + dy * dy; + + } + + manhattanDistanceTo( v ) { + + return Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ); + + } + + setLength( length ) { + + return this.normalize().multiplyScalar( length ); + + } + + lerp( v, alpha ) { + + this.x += ( v.x - this.x ) * alpha; + this.y += ( v.y - this.y ) * alpha; + + return this; + + } + + lerpVectors( v1, v2, alpha ) { + + this.x = v1.x + ( v2.x - v1.x ) * alpha; + this.y = v1.y + ( v2.y - v1.y ) * alpha; + + return this; + + } + + equals( v ) { + + return ( ( v.x === this.x ) && ( v.y === this.y ) ); + + } + + fromArray( array, offset = 0 ) { + + this.x = array[ offset ]; + this.y = array[ offset + 1 ]; + + return this; + + } + + toArray( array = [], offset = 0 ) { + + array[ offset ] = this.x; + array[ offset + 1 ] = this.y; + + return array; + + } + + fromBufferAttribute( attribute, index, offset ) { + + if ( offset !== undefined ) { + + console.warn( 'THREE.Vector2: offset has been removed from .fromBufferAttribute().' ); + + } + + this.x = attribute.getX( index ); + this.y = attribute.getY( index ); + + return this; + + } + + rotateAround( center, angle ) { + + const c = Math.cos( angle ), s = Math.sin( angle ); + + const x = this.x - center.x; + const y = this.y - center.y; + + this.x = x * c - y * s + center.x; + this.y = x * s + y * c + center.y; + + return this; + + } + + random() { + + this.x = Math.random(); + this.y = Math.random(); + + return this; + + } + + *[ Symbol.iterator ]() { + + yield this.x; + yield this.y; + + } + +} + +class Matrix3 { + + constructor() { + + Matrix3.prototype.isMatrix3 = true; + + this.elements = [ + + 1, 0, 0, + 0, 1, 0, + 0, 0, 1 + + ]; + + if ( arguments.length > 0 ) { + + console.error( 'THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.' ); + + } + + } + + set( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) { + + const te = this.elements; + + te[ 0 ] = n11; te[ 1 ] = n21; te[ 2 ] = n31; + te[ 3 ] = n12; te[ 4 ] = n22; te[ 5 ] = n32; + te[ 6 ] = n13; te[ 7 ] = n23; te[ 8 ] = n33; + + return this; + + } + + identity() { + + this.set( + + 1, 0, 0, + 0, 1, 0, + 0, 0, 1 + + ); + + return this; + + } + + copy( m ) { + + const te = this.elements; + const me = m.elements; + + te[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ]; + te[ 3 ] = me[ 3 ]; te[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ]; + te[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ]; te[ 8 ] = me[ 8 ]; + + return this; + + } + + extractBasis( xAxis, yAxis, zAxis ) { + + xAxis.setFromMatrix3Column( this, 0 ); + yAxis.setFromMatrix3Column( this, 1 ); + zAxis.setFromMatrix3Column( this, 2 ); + + return this; + + } + + setFromMatrix4( m ) { + + const me = m.elements; + + this.set( + + me[ 0 ], me[ 4 ], me[ 8 ], + me[ 1 ], me[ 5 ], me[ 9 ], + me[ 2 ], me[ 6 ], me[ 10 ] + + ); + + return this; + + } + + multiply( m ) { + + return this.multiplyMatrices( this, m ); + + } + + premultiply( m ) { + + return this.multiplyMatrices( m, this ); + + } + + multiplyMatrices( a, b ) { + + const ae = a.elements; + const be = b.elements; + const te = this.elements; + + const a11 = ae[ 0 ], a12 = ae[ 3 ], a13 = ae[ 6 ]; + const a21 = ae[ 1 ], a22 = ae[ 4 ], a23 = ae[ 7 ]; + const a31 = ae[ 2 ], a32 = ae[ 5 ], a33 = ae[ 8 ]; + + const b11 = be[ 0 ], b12 = be[ 3 ], b13 = be[ 6 ]; + const b21 = be[ 1 ], b22 = be[ 4 ], b23 = be[ 7 ]; + const b31 = be[ 2 ], b32 = be[ 5 ], b33 = be[ 8 ]; + + te[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31; + te[ 3 ] = a11 * b12 + a12 * b22 + a13 * b32; + te[ 6 ] = a11 * b13 + a12 * b23 + a13 * b33; + + te[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31; + te[ 4 ] = a21 * b12 + a22 * b22 + a23 * b32; + te[ 7 ] = a21 * b13 + a22 * b23 + a23 * b33; + + te[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31; + te[ 5 ] = a31 * b12 + a32 * b22 + a33 * b32; + te[ 8 ] = a31 * b13 + a32 * b23 + a33 * b33; + + return this; + + } + + multiplyScalar( s ) { + + const te = this.elements; + + te[ 0 ] *= s; te[ 3 ] *= s; te[ 6 ] *= s; + te[ 1 ] *= s; te[ 4 ] *= s; te[ 7 ] *= s; + te[ 2 ] *= s; te[ 5 ] *= s; te[ 8 ] *= s; + + return this; + + } + + determinant() { + + const te = this.elements; + + const a = te[ 0 ], b = te[ 1 ], c = te[ 2 ], + d = te[ 3 ], e = te[ 4 ], f = te[ 5 ], + g = te[ 6 ], h = te[ 7 ], i = te[ 8 ]; + + return a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g; + + } + + invert() { + + const te = this.elements, + + n11 = te[ 0 ], n21 = te[ 1 ], n31 = te[ 2 ], + n12 = te[ 3 ], n22 = te[ 4 ], n32 = te[ 5 ], + n13 = te[ 6 ], n23 = te[ 7 ], n33 = te[ 8 ], + + t11 = n33 * n22 - n32 * n23, + t12 = n32 * n13 - n33 * n12, + t13 = n23 * n12 - n22 * n13, + + det = n11 * t11 + n21 * t12 + n31 * t13; + + if ( det === 0 ) return this.set( 0, 0, 0, 0, 0, 0, 0, 0, 0 ); + + const detInv = 1 / det; + + te[ 0 ] = t11 * detInv; + te[ 1 ] = ( n31 * n23 - n33 * n21 ) * detInv; + te[ 2 ] = ( n32 * n21 - n31 * n22 ) * detInv; + + te[ 3 ] = t12 * detInv; + te[ 4 ] = ( n33 * n11 - n31 * n13 ) * detInv; + te[ 5 ] = ( n31 * n12 - n32 * n11 ) * detInv; + + te[ 6 ] = t13 * detInv; + te[ 7 ] = ( n21 * n13 - n23 * n11 ) * detInv; + te[ 8 ] = ( n22 * n11 - n21 * n12 ) * detInv; + + return this; + + } + + transpose() { + + let tmp; + const m = this.elements; + + tmp = m[ 1 ]; m[ 1 ] = m[ 3 ]; m[ 3 ] = tmp; + tmp = m[ 2 ]; m[ 2 ] = m[ 6 ]; m[ 6 ] = tmp; + tmp = m[ 5 ]; m[ 5 ] = m[ 7 ]; m[ 7 ] = tmp; + + return this; + + } + + getNormalMatrix( matrix4 ) { + + return this.setFromMatrix4( matrix4 ).invert().transpose(); + + } + + transposeIntoArray( r ) { + + const m = this.elements; + + r[ 0 ] = m[ 0 ]; + r[ 1 ] = m[ 3 ]; + r[ 2 ] = m[ 6 ]; + r[ 3 ] = m[ 1 ]; + r[ 4 ] = m[ 4 ]; + r[ 5 ] = m[ 7 ]; + r[ 6 ] = m[ 2 ]; + r[ 7 ] = m[ 5 ]; + r[ 8 ] = m[ 8 ]; + + return this; + + } + + setUvTransform( tx, ty, sx, sy, rotation, cx, cy ) { + + const c = Math.cos( rotation ); + const s = Math.sin( rotation ); + + this.set( + sx * c, sx * s, - sx * ( c * cx + s * cy ) + cx + tx, + - sy * s, sy * c, - sy * ( - s * cx + c * cy ) + cy + ty, + 0, 0, 1 + ); + + return this; + + } + + scale( sx, sy ) { + + const te = this.elements; + + te[ 0 ] *= sx; te[ 3 ] *= sx; te[ 6 ] *= sx; + te[ 1 ] *= sy; te[ 4 ] *= sy; te[ 7 ] *= sy; + + return this; + + } + + rotate( theta ) { + + const c = Math.cos( theta ); + const s = Math.sin( theta ); + + const te = this.elements; + + const a11 = te[ 0 ], a12 = te[ 3 ], a13 = te[ 6 ]; + const a21 = te[ 1 ], a22 = te[ 4 ], a23 = te[ 7 ]; + + te[ 0 ] = c * a11 + s * a21; + te[ 3 ] = c * a12 + s * a22; + te[ 6 ] = c * a13 + s * a23; + + te[ 1 ] = - s * a11 + c * a21; + te[ 4 ] = - s * a12 + c * a22; + te[ 7 ] = - s * a13 + c * a23; + + return this; + + } + + translate( tx, ty ) { + + const te = this.elements; + + te[ 0 ] += tx * te[ 2 ]; te[ 3 ] += tx * te[ 5 ]; te[ 6 ] += tx * te[ 8 ]; + te[ 1 ] += ty * te[ 2 ]; te[ 4 ] += ty * te[ 5 ]; te[ 7 ] += ty * te[ 8 ]; + + return this; + + } + + equals( matrix ) { + + const te = this.elements; + const me = matrix.elements; + + for ( let i = 0; i < 9; i ++ ) { + + if ( te[ i ] !== me[ i ] ) return false; + + } + + return true; + + } + + fromArray( array, offset = 0 ) { + + for ( let i = 0; i < 9; i ++ ) { + + this.elements[ i ] = array[ i + offset ]; + + } + + return this; + + } + + toArray( array = [], offset = 0 ) { + + const te = this.elements; + + array[ offset ] = te[ 0 ]; + array[ offset + 1 ] = te[ 1 ]; + array[ offset + 2 ] = te[ 2 ]; + + array[ offset + 3 ] = te[ 3 ]; + array[ offset + 4 ] = te[ 4 ]; + array[ offset + 5 ] = te[ 5 ]; + + array[ offset + 6 ] = te[ 6 ]; + array[ offset + 7 ] = te[ 7 ]; + array[ offset + 8 ] = te[ 8 ]; + + return array; + + } + + clone() { + + return new this.constructor().fromArray( this.elements ); + + } + +} + +function arrayNeedsUint32( array ) { + + // assumes larger values usually on last + + for ( let i = array.length - 1; i >= 0; -- i ) { + + if ( array[ i ] > 65535 ) return true; + + } + + return false; + +} + +const TYPED_ARRAYS = { + Int8Array: Int8Array, + Uint8Array: Uint8Array, + Uint8ClampedArray: Uint8ClampedArray, + Int16Array: Int16Array, + Uint16Array: Uint16Array, + Int32Array: Int32Array, + Uint32Array: Uint32Array, + Float32Array: Float32Array, + Float64Array: Float64Array +}; + +function getTypedArray( type, buffer ) { + + return new TYPED_ARRAYS[ type ]( buffer ); + +} + +function createElementNS( name ) { + + return document.createElementNS( 'http://www.w3.org/1999/xhtml', name ); + +} + +function SRGBToLinear( c ) { + + return ( c < 0.04045 ) ? c * 0.0773993808 : Math.pow( c * 0.9478672986 + 0.0521327014, 2.4 ); + +} + +function LinearToSRGB( c ) { + + return ( c < 0.0031308 ) ? c * 12.92 : 1.055 * ( Math.pow( c, 0.41666 ) ) - 0.055; + +} + +// JavaScript RGB-to-RGB transforms, defined as +// FN[InputColorSpace][OutputColorSpace] callback functions. +const FN = { + [ SRGBColorSpace ]: { [ LinearSRGBColorSpace ]: SRGBToLinear }, + [ LinearSRGBColorSpace ]: { [ SRGBColorSpace ]: LinearToSRGB }, +}; + +const ColorManagement = { + + legacyMode: true, + + get workingColorSpace() { + + return LinearSRGBColorSpace; + + }, + + set workingColorSpace( colorSpace ) { + + console.warn( 'THREE.ColorManagement: .workingColorSpace is readonly.' ); + + }, + + convert: function ( color, sourceColorSpace, targetColorSpace ) { + + if ( this.legacyMode || sourceColorSpace === targetColorSpace || ! sourceColorSpace || ! targetColorSpace ) { + + return color; + + } + + if ( FN[ sourceColorSpace ] && FN[ sourceColorSpace ][ targetColorSpace ] !== undefined ) { + + const fn = FN[ sourceColorSpace ][ targetColorSpace ]; + + color.r = fn( color.r ); + color.g = fn( color.g ); + color.b = fn( color.b ); + + return color; + + } + + throw new Error( 'Unsupported color space conversion.' ); + + }, + + fromWorkingColorSpace: function ( color, targetColorSpace ) { + + return this.convert( color, this.workingColorSpace, targetColorSpace ); + + }, + + toWorkingColorSpace: function ( color, sourceColorSpace ) { + + return this.convert( color, sourceColorSpace, this.workingColorSpace ); + + }, + +}; + +const _colorKeywords = { 'aliceblue': 0xF0F8FF, 'antiquewhite': 0xFAEBD7, 'aqua': 0x00FFFF, 'aquamarine': 0x7FFFD4, 'azure': 0xF0FFFF, + 'beige': 0xF5F5DC, 'bisque': 0xFFE4C4, 'black': 0x000000, 'blanchedalmond': 0xFFEBCD, 'blue': 0x0000FF, 'blueviolet': 0x8A2BE2, + 'brown': 0xA52A2A, 'burlywood': 0xDEB887, 'cadetblue': 0x5F9EA0, 'chartreuse': 0x7FFF00, 'chocolate': 0xD2691E, 'coral': 0xFF7F50, + 'cornflowerblue': 0x6495ED, 'cornsilk': 0xFFF8DC, 'crimson': 0xDC143C, 'cyan': 0x00FFFF, 'darkblue': 0x00008B, 'darkcyan': 0x008B8B, + 'darkgoldenrod': 0xB8860B, 'darkgray': 0xA9A9A9, 'darkgreen': 0x006400, 'darkgrey': 0xA9A9A9, 'darkkhaki': 0xBDB76B, 'darkmagenta': 0x8B008B, + 'darkolivegreen': 0x556B2F, 'darkorange': 0xFF8C00, 'darkorchid': 0x9932CC, 'darkred': 0x8B0000, 'darksalmon': 0xE9967A, 'darkseagreen': 0x8FBC8F, + 'darkslateblue': 0x483D8B, 'darkslategray': 0x2F4F4F, 'darkslategrey': 0x2F4F4F, 'darkturquoise': 0x00CED1, 'darkviolet': 0x9400D3, + 'deeppink': 0xFF1493, 'deepskyblue': 0x00BFFF, 'dimgray': 0x696969, 'dimgrey': 0x696969, 'dodgerblue': 0x1E90FF, 'firebrick': 0xB22222, + 'floralwhite': 0xFFFAF0, 'forestgreen': 0x228B22, 'fuchsia': 0xFF00FF, 'gainsboro': 0xDCDCDC, 'ghostwhite': 0xF8F8FF, 'gold': 0xFFD700, + 'goldenrod': 0xDAA520, 'gray': 0x808080, 'green': 0x008000, 'greenyellow': 0xADFF2F, 'grey': 0x808080, 'honeydew': 0xF0FFF0, 'hotpink': 0xFF69B4, + 'indianred': 0xCD5C5C, 'indigo': 0x4B0082, 'ivory': 0xFFFFF0, 'khaki': 0xF0E68C, 'lavender': 0xE6E6FA, 'lavenderblush': 0xFFF0F5, 'lawngreen': 0x7CFC00, + 'lemonchiffon': 0xFFFACD, 'lightblue': 0xADD8E6, 'lightcoral': 0xF08080, 'lightcyan': 0xE0FFFF, 'lightgoldenrodyellow': 0xFAFAD2, 'lightgray': 0xD3D3D3, + 'lightgreen': 0x90EE90, 'lightgrey': 0xD3D3D3, 'lightpink': 0xFFB6C1, 'lightsalmon': 0xFFA07A, 'lightseagreen': 0x20B2AA, 'lightskyblue': 0x87CEFA, + 'lightslategray': 0x778899, 'lightslategrey': 0x778899, 'lightsteelblue': 0xB0C4DE, 'lightyellow': 0xFFFFE0, 'lime': 0x00FF00, 'limegreen': 0x32CD32, + 'linen': 0xFAF0E6, 'magenta': 0xFF00FF, 'maroon': 0x800000, 'mediumaquamarine': 0x66CDAA, 'mediumblue': 0x0000CD, 'mediumorchid': 0xBA55D3, + 'mediumpurple': 0x9370DB, 'mediumseagreen': 0x3CB371, 'mediumslateblue': 0x7B68EE, 'mediumspringgreen': 0x00FA9A, 'mediumturquoise': 0x48D1CC, + 'mediumvioletred': 0xC71585, 'midnightblue': 0x191970, 'mintcream': 0xF5FFFA, 'mistyrose': 0xFFE4E1, 'moccasin': 0xFFE4B5, 'navajowhite': 0xFFDEAD, + 'navy': 0x000080, 'oldlace': 0xFDF5E6, 'olive': 0x808000, 'olivedrab': 0x6B8E23, 'orange': 0xFFA500, 'orangered': 0xFF4500, 'orchid': 0xDA70D6, + 'palegoldenrod': 0xEEE8AA, 'palegreen': 0x98FB98, 'paleturquoise': 0xAFEEEE, 'palevioletred': 0xDB7093, 'papayawhip': 0xFFEFD5, 'peachpuff': 0xFFDAB9, + 'peru': 0xCD853F, 'pink': 0xFFC0CB, 'plum': 0xDDA0DD, 'powderblue': 0xB0E0E6, 'purple': 0x800080, 'rebeccapurple': 0x663399, 'red': 0xFF0000, 'rosybrown': 0xBC8F8F, + 'royalblue': 0x4169E1, 'saddlebrown': 0x8B4513, 'salmon': 0xFA8072, 'sandybrown': 0xF4A460, 'seagreen': 0x2E8B57, 'seashell': 0xFFF5EE, + 'sienna': 0xA0522D, 'silver': 0xC0C0C0, 'skyblue': 0x87CEEB, 'slateblue': 0x6A5ACD, 'slategray': 0x708090, 'slategrey': 0x708090, 'snow': 0xFFFAFA, + 'springgreen': 0x00FF7F, 'steelblue': 0x4682B4, 'tan': 0xD2B48C, 'teal': 0x008080, 'thistle': 0xD8BFD8, 'tomato': 0xFF6347, 'turquoise': 0x40E0D0, + 'violet': 0xEE82EE, 'wheat': 0xF5DEB3, 'white': 0xFFFFFF, 'whitesmoke': 0xF5F5F5, 'yellow': 0xFFFF00, 'yellowgreen': 0x9ACD32 }; + +const _rgb = { r: 0, g: 0, b: 0 }; +const _hslA = { h: 0, s: 0, l: 0 }; +const _hslB = { h: 0, s: 0, l: 0 }; + +function hue2rgb( p, q, t ) { + + if ( t < 0 ) t += 1; + if ( t > 1 ) t -= 1; + if ( t < 1 / 6 ) return p + ( q - p ) * 6 * t; + if ( t < 1 / 2 ) return q; + if ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t ); + return p; + +} + +function toComponents( source, target ) { + + target.r = source.r; + target.g = source.g; + target.b = source.b; + + return target; + +} + +class Color { + + constructor( r, g, b ) { + + this.isColor = true; + + this.r = 1; + this.g = 1; + this.b = 1; + + if ( g === undefined && b === undefined ) { + + // r is THREE.Color, hex or string + return this.set( r ); + + } + + return this.setRGB( r, g, b ); + + } + + set( value ) { + + if ( value && value.isColor ) { + + this.copy( value ); + + } else if ( typeof value === 'number' ) { + + this.setHex( value ); + + } else if ( typeof value === 'string' ) { + + this.setStyle( value ); + + } + + return this; + + } + + setScalar( scalar ) { + + this.r = scalar; + this.g = scalar; + this.b = scalar; + + return this; + + } + + setHex( hex, colorSpace = SRGBColorSpace ) { + + hex = Math.floor( hex ); + + this.r = ( hex >> 16 & 255 ) / 255; + this.g = ( hex >> 8 & 255 ) / 255; + this.b = ( hex & 255 ) / 255; + + ColorManagement.toWorkingColorSpace( this, colorSpace ); + + return this; + + } + + setRGB( r, g, b, colorSpace = LinearSRGBColorSpace ) { + + this.r = r; + this.g = g; + this.b = b; + + ColorManagement.toWorkingColorSpace( this, colorSpace ); + + return this; + + } + + setHSL( h, s, l, colorSpace = LinearSRGBColorSpace ) { + + // h,s,l ranges are in 0.0 - 1.0 + h = euclideanModulo( h, 1 ); + s = clamp( s, 0, 1 ); + l = clamp( l, 0, 1 ); + + if ( s === 0 ) { + + this.r = this.g = this.b = l; + + } else { + + const p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s ); + const q = ( 2 * l ) - p; + + this.r = hue2rgb( q, p, h + 1 / 3 ); + this.g = hue2rgb( q, p, h ); + this.b = hue2rgb( q, p, h - 1 / 3 ); + + } + + ColorManagement.toWorkingColorSpace( this, colorSpace ); + + return this; + + } + + setStyle( style, colorSpace = SRGBColorSpace ) { + + function handleAlpha( string ) { + + if ( string === undefined ) return; + + if ( parseFloat( string ) < 1 ) { + + console.warn( 'THREE.Color: Alpha component of ' + style + ' will be ignored.' ); + + } + + } + + + let m; + + if ( m = /^((?:rgb|hsl)a?)\(([^\)]*)\)/.exec( style ) ) { + + // rgb / hsl + + let color; + const name = m[ 1 ]; + const components = m[ 2 ]; + + switch ( name ) { + + case 'rgb': + case 'rgba': + + if ( color = /^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec( components ) ) { + + // rgb(255,0,0) rgba(255,0,0,0.5) + this.r = Math.min( 255, parseInt( color[ 1 ], 10 ) ) / 255; + this.g = Math.min( 255, parseInt( color[ 2 ], 10 ) ) / 255; + this.b = Math.min( 255, parseInt( color[ 3 ], 10 ) ) / 255; + + ColorManagement.toWorkingColorSpace( this, colorSpace ); + + handleAlpha( color[ 4 ] ); + + return this; + + } + + if ( color = /^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec( components ) ) { + + // rgb(100%,0%,0%) rgba(100%,0%,0%,0.5) + this.r = Math.min( 100, parseInt( color[ 1 ], 10 ) ) / 100; + this.g = Math.min( 100, parseInt( color[ 2 ], 10 ) ) / 100; + this.b = Math.min( 100, parseInt( color[ 3 ], 10 ) ) / 100; + + ColorManagement.toWorkingColorSpace( this, colorSpace ); + + handleAlpha( color[ 4 ] ); + + return this; + + } + + break; + + case 'hsl': + case 'hsla': + + if ( color = /^\s*(\d*\.?\d+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec( components ) ) { + + // hsl(120,50%,50%) hsla(120,50%,50%,0.5) + const h = parseFloat( color[ 1 ] ) / 360; + const s = parseInt( color[ 2 ], 10 ) / 100; + const l = parseInt( color[ 3 ], 10 ) / 100; + + handleAlpha( color[ 4 ] ); + + return this.setHSL( h, s, l, colorSpace ); + + } + + break; + + } + + } else if ( m = /^\#([A-Fa-f\d]+)$/.exec( style ) ) { + + // hex color + + const hex = m[ 1 ]; + const size = hex.length; + + if ( size === 3 ) { + + // #ff0 + this.r = parseInt( hex.charAt( 0 ) + hex.charAt( 0 ), 16 ) / 255; + this.g = parseInt( hex.charAt( 1 ) + hex.charAt( 1 ), 16 ) / 255; + this.b = parseInt( hex.charAt( 2 ) + hex.charAt( 2 ), 16 ) / 255; + + ColorManagement.toWorkingColorSpace( this, colorSpace ); + + return this; + + } else if ( size === 6 ) { + + // #ff0000 + this.r = parseInt( hex.charAt( 0 ) + hex.charAt( 1 ), 16 ) / 255; + this.g = parseInt( hex.charAt( 2 ) + hex.charAt( 3 ), 16 ) / 255; + this.b = parseInt( hex.charAt( 4 ) + hex.charAt( 5 ), 16 ) / 255; + + ColorManagement.toWorkingColorSpace( this, colorSpace ); + + return this; + + } + + } + + if ( style && style.length > 0 ) { + + return this.setColorName( style, colorSpace ); + + } + + return this; + + } + + setColorName( style, colorSpace = SRGBColorSpace ) { + + // color keywords + const hex = _colorKeywords[ style.toLowerCase() ]; + + if ( hex !== undefined ) { + + // red + this.setHex( hex, colorSpace ); + + } else { + + // unknown color + console.warn( 'THREE.Color: Unknown color ' + style ); + + } + + return this; + + } + + clone() { + + return new this.constructor( this.r, this.g, this.b ); + + } + + copy( color ) { + + this.r = color.r; + this.g = color.g; + this.b = color.b; + + return this; + + } + + copySRGBToLinear( color ) { + + this.r = SRGBToLinear( color.r ); + this.g = SRGBToLinear( color.g ); + this.b = SRGBToLinear( color.b ); + + return this; + + } + + copyLinearToSRGB( color ) { + + this.r = LinearToSRGB( color.r ); + this.g = LinearToSRGB( color.g ); + this.b = LinearToSRGB( color.b ); + + return this; + + } + + convertSRGBToLinear() { + + this.copySRGBToLinear( this ); + + return this; + + } + + convertLinearToSRGB() { + + this.copyLinearToSRGB( this ); + + return this; + + } + + getHex( colorSpace = SRGBColorSpace ) { + + ColorManagement.fromWorkingColorSpace( toComponents( this, _rgb ), colorSpace ); + + return clamp( _rgb.r * 255, 0, 255 ) << 16 ^ clamp( _rgb.g * 255, 0, 255 ) << 8 ^ clamp( _rgb.b * 255, 0, 255 ) << 0; + + } + + getHexString( colorSpace = SRGBColorSpace ) { + + return ( '000000' + this.getHex( colorSpace ).toString( 16 ) ).slice( - 6 ); + + } + + getHSL( target, colorSpace = LinearSRGBColorSpace ) { + + // h,s,l ranges are in 0.0 - 1.0 + + ColorManagement.fromWorkingColorSpace( toComponents( this, _rgb ), colorSpace ); + + const r = _rgb.r, g = _rgb.g, b = _rgb.b; + + const max = Math.max( r, g, b ); + const min = Math.min( r, g, b ); + + let hue, saturation; + const lightness = ( min + max ) / 2.0; + + if ( min === max ) { + + hue = 0; + saturation = 0; + + } else { + + const delta = max - min; + + saturation = lightness <= 0.5 ? delta / ( max + min ) : delta / ( 2 - max - min ); + + switch ( max ) { + + case r: hue = ( g - b ) / delta + ( g < b ? 6 : 0 ); break; + case g: hue = ( b - r ) / delta + 2; break; + case b: hue = ( r - g ) / delta + 4; break; + + } + + hue /= 6; + + } + + target.h = hue; + target.s = saturation; + target.l = lightness; + + return target; + + } + + getRGB( target, colorSpace = LinearSRGBColorSpace ) { + + ColorManagement.fromWorkingColorSpace( toComponents( this, _rgb ), colorSpace ); + + target.r = _rgb.r; + target.g = _rgb.g; + target.b = _rgb.b; + + return target; + + } + + getStyle( colorSpace = SRGBColorSpace ) { + + ColorManagement.fromWorkingColorSpace( toComponents( this, _rgb ), colorSpace ); + + if ( colorSpace !== SRGBColorSpace ) { + + // Requires CSS Color Module Level 4 (https://www.w3.org/TR/css-color-4/). + return `color(${ colorSpace } ${ _rgb.r } ${ _rgb.g } ${ _rgb.b })`; + + } + + return `rgb(${( _rgb.r * 255 ) | 0},${( _rgb.g * 255 ) | 0},${( _rgb.b * 255 ) | 0})`; + + } + + offsetHSL( h, s, l ) { + + this.getHSL( _hslA ); + + _hslA.h += h; _hslA.s += s; _hslA.l += l; + + this.setHSL( _hslA.h, _hslA.s, _hslA.l ); + + return this; + + } + + add( color ) { + + this.r += color.r; + this.g += color.g; + this.b += color.b; + + return this; + + } + + addColors( color1, color2 ) { + + this.r = color1.r + color2.r; + this.g = color1.g + color2.g; + this.b = color1.b + color2.b; + + return this; + + } + + addScalar( s ) { + + this.r += s; + this.g += s; + this.b += s; + + return this; + + } + + sub( color ) { + + this.r = Math.max( 0, this.r - color.r ); + this.g = Math.max( 0, this.g - color.g ); + this.b = Math.max( 0, this.b - color.b ); + + return this; + + } + + multiply( color ) { + + this.r *= color.r; + this.g *= color.g; + this.b *= color.b; + + return this; + + } + + multiplyScalar( s ) { + + this.r *= s; + this.g *= s; + this.b *= s; + + return this; + + } + + lerp( color, alpha ) { + + this.r += ( color.r - this.r ) * alpha; + this.g += ( color.g - this.g ) * alpha; + this.b += ( color.b - this.b ) * alpha; + + return this; + + } + + lerpColors( color1, color2, alpha ) { + + this.r = color1.r + ( color2.r - color1.r ) * alpha; + this.g = color1.g + ( color2.g - color1.g ) * alpha; + this.b = color1.b + ( color2.b - color1.b ) * alpha; + + return this; + + } + + lerpHSL( color, alpha ) { + + this.getHSL( _hslA ); + color.getHSL( _hslB ); + + const h = lerp( _hslA.h, _hslB.h, alpha ); + const s = lerp( _hslA.s, _hslB.s, alpha ); + const l = lerp( _hslA.l, _hslB.l, alpha ); + + this.setHSL( h, s, l ); + + return this; + + } + + equals( c ) { + + return ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b ); + + } + + fromArray( array, offset = 0 ) { + + this.r = array[ offset ]; + this.g = array[ offset + 1 ]; + this.b = array[ offset + 2 ]; + + return this; + + } + + toArray( array = [], offset = 0 ) { + + array[ offset ] = this.r; + array[ offset + 1 ] = this.g; + array[ offset + 2 ] = this.b; + + return array; + + } + + fromBufferAttribute( attribute, index ) { + + this.r = attribute.getX( index ); + this.g = attribute.getY( index ); + this.b = attribute.getZ( index ); + + if ( attribute.normalized === true ) { + + // assuming Uint8Array + + this.r /= 255; + this.g /= 255; + this.b /= 255; + + } + + return this; + + } + + toJSON() { + + return this.getHex(); + + } + + *[ Symbol.iterator ]() { + + yield this.r; + yield this.g; + yield this.b; + + } + +} + +Color.NAMES = _colorKeywords; + +let _canvas; + +class ImageUtils { + + static getDataURL( image ) { + + if ( /^data:/i.test( image.src ) ) { + + return image.src; + + } + + if ( typeof HTMLCanvasElement == 'undefined' ) { + + return image.src; + + } + + let canvas; + + if ( image instanceof HTMLCanvasElement ) { + + canvas = image; + + } else { + + if ( _canvas === undefined ) _canvas = createElementNS( 'canvas' ); + + _canvas.width = image.width; + _canvas.height = image.height; + + const context = _canvas.getContext( '2d' ); + + if ( image instanceof ImageData ) { + + context.putImageData( image, 0, 0 ); + + } else { + + context.drawImage( image, 0, 0, image.width, image.height ); + + } + + canvas = _canvas; + + } + + if ( canvas.width > 2048 || canvas.height > 2048 ) { + + console.warn( 'THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons', image ); + + return canvas.toDataURL( 'image/jpeg', 0.6 ); + + } else { + + return canvas.toDataURL( 'image/png' ); + + } + + } + + static sRGBToLinear( image ) { + + if ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) || + ( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) || + ( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ) { + + const canvas = createElementNS( 'canvas' ); + + canvas.width = image.width; + canvas.height = image.height; + + const context = canvas.getContext( '2d' ); + context.drawImage( image, 0, 0, image.width, image.height ); + + const imageData = context.getImageData( 0, 0, image.width, image.height ); + const data = imageData.data; + + for ( let i = 0; i < data.length; i ++ ) { + + data[ i ] = SRGBToLinear( data[ i ] / 255 ) * 255; + + } + + context.putImageData( imageData, 0, 0 ); + + return canvas; + + } else if ( image.data ) { + + const data = image.data.slice( 0 ); + + for ( let i = 0; i < data.length; i ++ ) { + + if ( data instanceof Uint8Array || data instanceof Uint8ClampedArray ) { + + data[ i ] = Math.floor( SRGBToLinear( data[ i ] / 255 ) * 255 ); + + } else { + + // assuming float + + data[ i ] = SRGBToLinear( data[ i ] ); + + } + + } + + return { + data: data, + width: image.width, + height: image.height + }; + + } else { + + console.warn( 'THREE.ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied.' ); + return image; + + } + + } + +} + +class Source { + + constructor( data = null ) { + + this.isSource = true; + + this.uuid = generateUUID(); + + this.data = data; + + this.version = 0; + + } + + set needsUpdate( value ) { + + if ( value === true ) this.version ++; + + } + + toJSON( meta ) { + + const isRootObject = ( meta === undefined || typeof meta === 'string' ); + + if ( ! isRootObject && meta.images[ this.uuid ] !== undefined ) { + + return meta.images[ this.uuid ]; + + } + + const output = { + uuid: this.uuid, + url: '' + }; + + const data = this.data; + + if ( data !== null ) { + + let url; + + if ( Array.isArray( data ) ) { + + // cube texture + + url = []; + + for ( let i = 0, l = data.length; i < l; i ++ ) { + + if ( data[ i ].isDataTexture ) { + + url.push( serializeImage( data[ i ].image ) ); + + } else { + + url.push( serializeImage( data[ i ] ) ); + + } + + } + + } else { + + // texture + + url = serializeImage( data ); + + } + + output.url = url; + + } + + if ( ! isRootObject ) { + + meta.images[ this.uuid ] = output; + + } + + return output; + + } + +} + +function serializeImage( image ) { + + if ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) || + ( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) || + ( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ) { + + // default images + + return ImageUtils.getDataURL( image ); + + } else { + + if ( image.data ) { + + // images of DataTexture + + return { + data: Array.from( image.data ), + width: image.width, + height: image.height, + type: image.data.constructor.name + }; + + } else { + + console.warn( 'THREE.Texture: Unable to serialize Texture.' ); + return {}; + + } + + } + +} + +let textureId = 0; + +class Texture extends EventDispatcher { + + constructor( image = Texture.DEFAULT_IMAGE, mapping = Texture.DEFAULT_MAPPING, wrapS = ClampToEdgeWrapping, wrapT = ClampToEdgeWrapping, magFilter = LinearFilter, minFilter = LinearMipmapLinearFilter, format = RGBAFormat, type = UnsignedByteType, anisotropy = 1, encoding = LinearEncoding ) { + + super(); + + this.isTexture = true; + + Object.defineProperty( this, 'id', { value: textureId ++ } ); + + this.uuid = generateUUID(); + + this.name = ''; + + this.source = new Source( image ); + this.mipmaps = []; + + this.mapping = mapping; + + this.wrapS = wrapS; + this.wrapT = wrapT; + + this.magFilter = magFilter; + this.minFilter = minFilter; + + this.anisotropy = anisotropy; + + this.format = format; + this.internalFormat = null; + this.type = type; + + this.offset = new Vector2( 0, 0 ); + this.repeat = new Vector2( 1, 1 ); + this.center = new Vector2( 0, 0 ); + this.rotation = 0; + + this.matrixAutoUpdate = true; + this.matrix = new Matrix3(); + + this.generateMipmaps = true; + this.premultiplyAlpha = false; + this.flipY = true; + this.unpackAlignment = 4; // valid values: 1, 2, 4, 8 (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml) + + // Values of encoding !== THREE.LinearEncoding only supported on map, envMap and emissiveMap. + // + // Also changing the encoding after already used by a Material will not automatically make the Material + // update. You need to explicitly call Material.needsUpdate to trigger it to recompile. + this.encoding = encoding; + + this.userData = {}; + + this.version = 0; + this.onUpdate = null; + + this.isRenderTargetTexture = false; // indicates whether a texture belongs to a render target or not + this.needsPMREMUpdate = false; // indicates whether this texture should be processed by PMREMGenerator or not (only relevant for render target textures) + + } + + get image() { + + return this.source.data; + + } + + set image( value ) { + + this.source.data = value; + + } + + updateMatrix() { + + this.matrix.setUvTransform( this.offset.x, this.offset.y, this.repeat.x, this.repeat.y, this.rotation, this.center.x, this.center.y ); + + } + + clone() { + + return new this.constructor().copy( this ); + + } + + copy( source ) { + + this.name = source.name; + + this.source = source.source; + this.mipmaps = source.mipmaps.slice( 0 ); + + this.mapping = source.mapping; + + this.wrapS = source.wrapS; + this.wrapT = source.wrapT; + + this.magFilter = source.magFilter; + this.minFilter = source.minFilter; + + this.anisotropy = source.anisotropy; + + this.format = source.format; + this.internalFormat = source.internalFormat; + this.type = source.type; + + this.offset.copy( source.offset ); + this.repeat.copy( source.repeat ); + this.center.copy( source.center ); + this.rotation = source.rotation; + + this.matrixAutoUpdate = source.matrixAutoUpdate; + this.matrix.copy( source.matrix ); + + this.generateMipmaps = source.generateMipmaps; + this.premultiplyAlpha = source.premultiplyAlpha; + this.flipY = source.flipY; + this.unpackAlignment = source.unpackAlignment; + this.encoding = source.encoding; + + this.userData = JSON.parse( JSON.stringify( source.userData ) ); + + this.needsUpdate = true; + + return this; + + } + + toJSON( meta ) { + + const isRootObject = ( meta === undefined || typeof meta === 'string' ); + + if ( ! isRootObject && meta.textures[ this.uuid ] !== undefined ) { + + return meta.textures[ this.uuid ]; + + } + + const output = { + + metadata: { + version: 4.5, + type: 'Texture', + generator: 'Texture.toJSON' + }, + + uuid: this.uuid, + name: this.name, + + image: this.source.toJSON( meta ).uuid, + + mapping: this.mapping, + + repeat: [ this.repeat.x, this.repeat.y ], + offset: [ this.offset.x, this.offset.y ], + center: [ this.center.x, this.center.y ], + rotation: this.rotation, + + wrap: [ this.wrapS, this.wrapT ], + + format: this.format, + type: this.type, + encoding: this.encoding, + + minFilter: this.minFilter, + magFilter: this.magFilter, + anisotropy: this.anisotropy, + + flipY: this.flipY, + + premultiplyAlpha: this.premultiplyAlpha, + unpackAlignment: this.unpackAlignment + + }; + + if ( JSON.stringify( this.userData ) !== '{}' ) output.userData = this.userData; + + if ( ! isRootObject ) { + + meta.textures[ this.uuid ] = output; + + } + + return output; + + } + + dispose() { + + this.dispatchEvent( { type: 'dispose' } ); + + } + + transformUv( uv ) { + + if ( this.mapping !== UVMapping ) return uv; + + uv.applyMatrix3( this.matrix ); + + if ( uv.x < 0 || uv.x > 1 ) { + + switch ( this.wrapS ) { + + case RepeatWrapping: + + uv.x = uv.x - Math.floor( uv.x ); + break; + + case ClampToEdgeWrapping: + + uv.x = uv.x < 0 ? 0 : 1; + break; + + case MirroredRepeatWrapping: + + if ( Math.abs( Math.floor( uv.x ) % 2 ) === 1 ) { + + uv.x = Math.ceil( uv.x ) - uv.x; + + } else { + + uv.x = uv.x - Math.floor( uv.x ); + + } + + break; + + } + + } + + if ( uv.y < 0 || uv.y > 1 ) { + + switch ( this.wrapT ) { + + case RepeatWrapping: + + uv.y = uv.y - Math.floor( uv.y ); + break; + + case ClampToEdgeWrapping: + + uv.y = uv.y < 0 ? 0 : 1; + break; + + case MirroredRepeatWrapping: + + if ( Math.abs( Math.floor( uv.y ) % 2 ) === 1 ) { + + uv.y = Math.ceil( uv.y ) - uv.y; + + } else { + + uv.y = uv.y - Math.floor( uv.y ); + + } + + break; + + } + + } + + if ( this.flipY ) { + + uv.y = 1 - uv.y; + + } + + return uv; + + } + + set needsUpdate( value ) { + + if ( value === true ) { + + this.version ++; + this.source.needsUpdate = true; + + } + + } + +} + +Texture.DEFAULT_IMAGE = null; +Texture.DEFAULT_MAPPING = UVMapping; + +class Vector4 { + + constructor( x = 0, y = 0, z = 0, w = 1 ) { + + Vector4.prototype.isVector4 = true; + + this.x = x; + this.y = y; + this.z = z; + this.w = w; + + } + + get width() { + + return this.z; + + } + + set width( value ) { + + this.z = value; + + } + + get height() { + + return this.w; + + } + + set height( value ) { + + this.w = value; + + } + + set( x, y, z, w ) { + + this.x = x; + this.y = y; + this.z = z; + this.w = w; + + return this; + + } + + setScalar( scalar ) { + + this.x = scalar; + this.y = scalar; + this.z = scalar; + this.w = scalar; + + return this; + + } + + setX( x ) { + + this.x = x; + + return this; + + } + + setY( y ) { + + this.y = y; + + return this; + + } + + setZ( z ) { + + this.z = z; + + return this; + + } + + setW( w ) { + + this.w = w; + + return this; + + } + + setComponent( index, value ) { + + switch ( index ) { + + case 0: this.x = value; break; + case 1: this.y = value; break; + case 2: this.z = value; break; + case 3: this.w = value; break; + default: throw new Error( 'index is out of range: ' + index ); + + } + + return this; + + } + + getComponent( index ) { + + switch ( index ) { + + case 0: return this.x; + case 1: return this.y; + case 2: return this.z; + case 3: return this.w; + default: throw new Error( 'index is out of range: ' + index ); + + } + + } + + clone() { + + return new this.constructor( this.x, this.y, this.z, this.w ); + + } + + copy( v ) { + + this.x = v.x; + this.y = v.y; + this.z = v.z; + this.w = ( v.w !== undefined ) ? v.w : 1; + + return this; + + } + + add( v, w ) { + + if ( w !== undefined ) { + + console.warn( 'THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' ); + return this.addVectors( v, w ); + + } + + this.x += v.x; + this.y += v.y; + this.z += v.z; + this.w += v.w; + + return this; + + } + + addScalar( s ) { + + this.x += s; + this.y += s; + this.z += s; + this.w += s; + + return this; + + } + + addVectors( a, b ) { + + this.x = a.x + b.x; + this.y = a.y + b.y; + this.z = a.z + b.z; + this.w = a.w + b.w; + + return this; + + } + + addScaledVector( v, s ) { + + this.x += v.x * s; + this.y += v.y * s; + this.z += v.z * s; + this.w += v.w * s; + + return this; + + } + + sub( v, w ) { + + if ( w !== undefined ) { + + console.warn( 'THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' ); + return this.subVectors( v, w ); + + } + + this.x -= v.x; + this.y -= v.y; + this.z -= v.z; + this.w -= v.w; + + return this; + + } + + subScalar( s ) { + + this.x -= s; + this.y -= s; + this.z -= s; + this.w -= s; + + return this; + + } + + subVectors( a, b ) { + + this.x = a.x - b.x; + this.y = a.y - b.y; + this.z = a.z - b.z; + this.w = a.w - b.w; + + return this; + + } + + multiply( v ) { + + this.x *= v.x; + this.y *= v.y; + this.z *= v.z; + this.w *= v.w; + + return this; + + } + + multiplyScalar( scalar ) { + + this.x *= scalar; + this.y *= scalar; + this.z *= scalar; + this.w *= scalar; + + return this; + + } + + applyMatrix4( m ) { + + const x = this.x, y = this.y, z = this.z, w = this.w; + const e = m.elements; + + this.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] * w; + this.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] * w; + this.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] * w; + this.w = e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] * w; + + return this; + + } + + divideScalar( scalar ) { + + return this.multiplyScalar( 1 / scalar ); + + } + + setAxisAngleFromQuaternion( q ) { + + // http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm + + // q is assumed to be normalized + + this.w = 2 * Math.acos( q.w ); + + const s = Math.sqrt( 1 - q.w * q.w ); + + if ( s < 0.0001 ) { + + this.x = 1; + this.y = 0; + this.z = 0; + + } else { + + this.x = q.x / s; + this.y = q.y / s; + this.z = q.z / s; + + } + + return this; + + } + + setAxisAngleFromRotationMatrix( m ) { + + // http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm + + // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) + + let angle, x, y, z; // variables for result + const epsilon = 0.01, // margin to allow for rounding errors + epsilon2 = 0.1, // margin to distinguish between 0 and 180 degrees + + te = m.elements, + + m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ], + m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ], + m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ]; + + if ( ( Math.abs( m12 - m21 ) < epsilon ) && + ( Math.abs( m13 - m31 ) < epsilon ) && + ( Math.abs( m23 - m32 ) < epsilon ) ) { + + // singularity found + // first check for identity matrix which must have +1 for all terms + // in leading diagonal and zero in other terms + + if ( ( Math.abs( m12 + m21 ) < epsilon2 ) && + ( Math.abs( m13 + m31 ) < epsilon2 ) && + ( Math.abs( m23 + m32 ) < epsilon2 ) && + ( Math.abs( m11 + m22 + m33 - 3 ) < epsilon2 ) ) { + + // this singularity is identity matrix so angle = 0 + + this.set( 1, 0, 0, 0 ); + + return this; // zero angle, arbitrary axis + + } + + // otherwise this singularity is angle = 180 + + angle = Math.PI; + + const xx = ( m11 + 1 ) / 2; + const yy = ( m22 + 1 ) / 2; + const zz = ( m33 + 1 ) / 2; + const xy = ( m12 + m21 ) / 4; + const xz = ( m13 + m31 ) / 4; + const yz = ( m23 + m32 ) / 4; + + if ( ( xx > yy ) && ( xx > zz ) ) { + + // m11 is the largest diagonal term + + if ( xx < epsilon ) { + + x = 0; + y = 0.707106781; + z = 0.707106781; + + } else { + + x = Math.sqrt( xx ); + y = xy / x; + z = xz / x; + + } + + } else if ( yy > zz ) { + + // m22 is the largest diagonal term + + if ( yy < epsilon ) { + + x = 0.707106781; + y = 0; + z = 0.707106781; + + } else { + + y = Math.sqrt( yy ); + x = xy / y; + z = yz / y; + + } + + } else { + + // m33 is the largest diagonal term so base result on this + + if ( zz < epsilon ) { + + x = 0.707106781; + y = 0.707106781; + z = 0; + + } else { + + z = Math.sqrt( zz ); + x = xz / z; + y = yz / z; + + } + + } + + this.set( x, y, z, angle ); + + return this; // return 180 deg rotation + + } + + // as we have reached here there are no singularities so we can handle normally + + let s = Math.sqrt( ( m32 - m23 ) * ( m32 - m23 ) + + ( m13 - m31 ) * ( m13 - m31 ) + + ( m21 - m12 ) * ( m21 - m12 ) ); // used to normalize + + if ( Math.abs( s ) < 0.001 ) s = 1; + + // prevent divide by zero, should not happen if matrix is orthogonal and should be + // caught by singularity test above, but I've left it in just in case + + this.x = ( m32 - m23 ) / s; + this.y = ( m13 - m31 ) / s; + this.z = ( m21 - m12 ) / s; + this.w = Math.acos( ( m11 + m22 + m33 - 1 ) / 2 ); + + return this; + + } + + min( v ) { + + this.x = Math.min( this.x, v.x ); + this.y = Math.min( this.y, v.y ); + this.z = Math.min( this.z, v.z ); + this.w = Math.min( this.w, v.w ); + + return this; + + } + + max( v ) { + + this.x = Math.max( this.x, v.x ); + this.y = Math.max( this.y, v.y ); + this.z = Math.max( this.z, v.z ); + this.w = Math.max( this.w, v.w ); + + return this; + + } + + clamp( min, max ) { + + // assumes min < max, componentwise + + this.x = Math.max( min.x, Math.min( max.x, this.x ) ); + this.y = Math.max( min.y, Math.min( max.y, this.y ) ); + this.z = Math.max( min.z, Math.min( max.z, this.z ) ); + this.w = Math.max( min.w, Math.min( max.w, this.w ) ); + + return this; + + } + + clampScalar( minVal, maxVal ) { + + this.x = Math.max( minVal, Math.min( maxVal, this.x ) ); + this.y = Math.max( minVal, Math.min( maxVal, this.y ) ); + this.z = Math.max( minVal, Math.min( maxVal, this.z ) ); + this.w = Math.max( minVal, Math.min( maxVal, this.w ) ); + + return this; + + } + + clampLength( min, max ) { + + const length = this.length(); + + return this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) ); + + } + + floor() { + + this.x = Math.floor( this.x ); + this.y = Math.floor( this.y ); + this.z = Math.floor( this.z ); + this.w = Math.floor( this.w ); + + return this; + + } + + ceil() { + + this.x = Math.ceil( this.x ); + this.y = Math.ceil( this.y ); + this.z = Math.ceil( this.z ); + this.w = Math.ceil( this.w ); + + return this; + + } + + round() { + + this.x = Math.round( this.x ); + this.y = Math.round( this.y ); + this.z = Math.round( this.z ); + this.w = Math.round( this.w ); + + return this; + + } + + roundToZero() { + + this.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x ); + this.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y ); + this.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z ); + this.w = ( this.w < 0 ) ? Math.ceil( this.w ) : Math.floor( this.w ); + + return this; + + } + + negate() { + + this.x = - this.x; + this.y = - this.y; + this.z = - this.z; + this.w = - this.w; + + return this; + + } + + dot( v ) { + + return this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w; + + } + + lengthSq() { + + return this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w; + + } + + length() { + + return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w ); + + } + + manhattanLength() { + + return Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ) + Math.abs( this.w ); + + } + + normalize() { + + return this.divideScalar( this.length() || 1 ); + + } + + setLength( length ) { + + return this.normalize().multiplyScalar( length ); + + } + + lerp( v, alpha ) { + + this.x += ( v.x - this.x ) * alpha; + this.y += ( v.y - this.y ) * alpha; + this.z += ( v.z - this.z ) * alpha; + this.w += ( v.w - this.w ) * alpha; + + return this; + + } + + lerpVectors( v1, v2, alpha ) { + + this.x = v1.x + ( v2.x - v1.x ) * alpha; + this.y = v1.y + ( v2.y - v1.y ) * alpha; + this.z = v1.z + ( v2.z - v1.z ) * alpha; + this.w = v1.w + ( v2.w - v1.w ) * alpha; + + return this; + + } + + equals( v ) { + + return ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) ); + + } + + fromArray( array, offset = 0 ) { + + this.x = array[ offset ]; + this.y = array[ offset + 1 ]; + this.z = array[ offset + 2 ]; + this.w = array[ offset + 3 ]; + + return this; + + } + + toArray( array = [], offset = 0 ) { + + array[ offset ] = this.x; + array[ offset + 1 ] = this.y; + array[ offset + 2 ] = this.z; + array[ offset + 3 ] = this.w; + + return array; + + } + + fromBufferAttribute( attribute, index, offset ) { + + if ( offset !== undefined ) { + + console.warn( 'THREE.Vector4: offset has been removed from .fromBufferAttribute().' ); + + } + + this.x = attribute.getX( index ); + this.y = attribute.getY( index ); + this.z = attribute.getZ( index ); + this.w = attribute.getW( index ); + + return this; + + } + + random() { + + this.x = Math.random(); + this.y = Math.random(); + this.z = Math.random(); + this.w = Math.random(); + + return this; + + } + + *[ Symbol.iterator ]() { + + yield this.x; + yield this.y; + yield this.z; + yield this.w; + + } + +} + +/* + In options, we can specify: + * Texture parameters for an auto-generated target texture + * depthBuffer/stencilBuffer: Booleans to indicate if we should generate these buffers +*/ +class WebGLRenderTarget extends EventDispatcher { + + constructor( width, height, options = {} ) { + + super(); + + this.isWebGLRenderTarget = true; + + this.width = width; + this.height = height; + this.depth = 1; + + this.scissor = new Vector4( 0, 0, width, height ); + this.scissorTest = false; + + this.viewport = new Vector4( 0, 0, width, height ); + + const image = { width: width, height: height, depth: 1 }; + + this.texture = new Texture( image, options.mapping, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding ); + this.texture.isRenderTargetTexture = true; + + this.texture.flipY = false; + this.texture.generateMipmaps = options.generateMipmaps !== undefined ? options.generateMipmaps : false; + this.texture.internalFormat = options.internalFormat !== undefined ? options.internalFormat : null; + this.texture.minFilter = options.minFilter !== undefined ? options.minFilter : LinearFilter; + + this.depthBuffer = options.depthBuffer !== undefined ? options.depthBuffer : true; + this.stencilBuffer = options.stencilBuffer !== undefined ? options.stencilBuffer : false; + + this.depthTexture = options.depthTexture !== undefined ? options.depthTexture : null; + + this.samples = options.samples !== undefined ? options.samples : 0; + + } + + setSize( width, height, depth = 1 ) { + + if ( this.width !== width || this.height !== height || this.depth !== depth ) { + + this.width = width; + this.height = height; + this.depth = depth; + + this.texture.image.width = width; + this.texture.image.height = height; + this.texture.image.depth = depth; + + this.dispose(); + + } + + this.viewport.set( 0, 0, width, height ); + this.scissor.set( 0, 0, width, height ); + + } + + clone() { + + return new this.constructor().copy( this ); + + } + + copy( source ) { + + this.width = source.width; + this.height = source.height; + this.depth = source.depth; + + this.viewport.copy( source.viewport ); + + this.texture = source.texture.clone(); + this.texture.isRenderTargetTexture = true; + + // ensure image object is not shared, see #20328 + + const image = Object.assign( {}, source.texture.image ); + this.texture.source = new Source( image ); + + this.depthBuffer = source.depthBuffer; + this.stencilBuffer = source.stencilBuffer; + + if ( source.depthTexture !== null ) this.depthTexture = source.depthTexture.clone(); + + this.samples = source.samples; + + return this; + + } + + dispose() { + + this.dispatchEvent( { type: 'dispose' } ); + + } + +} + +class DataArrayTexture extends Texture { + + constructor( data = null, width = 1, height = 1, depth = 1 ) { + + super( null ); + + this.isDataArrayTexture = true; + + this.image = { data, width, height, depth }; + + this.magFilter = NearestFilter; + this.minFilter = NearestFilter; + + this.wrapR = ClampToEdgeWrapping; + + this.generateMipmaps = false; + this.flipY = false; + this.unpackAlignment = 1; + + } + +} + +class WebGLArrayRenderTarget extends WebGLRenderTarget { + + constructor( width, height, depth ) { + + super( width, height ); + + this.isWebGLArrayRenderTarget = true; + + this.depth = depth; + + this.texture = new DataArrayTexture( null, width, height, depth ); + + this.texture.isRenderTargetTexture = true; + + } + +} + +class Data3DTexture extends Texture { + + constructor( data = null, width = 1, height = 1, depth = 1 ) { + + // We're going to add .setXXX() methods for setting properties later. + // Users can still set in DataTexture3D directly. + // + // const texture = new THREE.DataTexture3D( data, width, height, depth ); + // texture.anisotropy = 16; + // + // See #14839 + + super( null ); + + this.isData3DTexture = true; + + this.image = { data, width, height, depth }; + + this.magFilter = NearestFilter; + this.minFilter = NearestFilter; + + this.wrapR = ClampToEdgeWrapping; + + this.generateMipmaps = false; + this.flipY = false; + this.unpackAlignment = 1; + + } + +} + +class WebGL3DRenderTarget extends WebGLRenderTarget { + + constructor( width, height, depth ) { + + super( width, height ); + + this.isWebGL3DRenderTarget = true; + + this.depth = depth; + + this.texture = new Data3DTexture( null, width, height, depth ); + + this.texture.isRenderTargetTexture = true; + + } + +} + +class WebGLMultipleRenderTargets extends WebGLRenderTarget { + + constructor( width, height, count, options = {} ) { + + super( width, height, options ); + + this.isWebGLMultipleRenderTargets = true; + + const texture = this.texture; + + this.texture = []; + + for ( let i = 0; i < count; i ++ ) { + + this.texture[ i ] = texture.clone(); + this.texture[ i ].isRenderTargetTexture = true; + + } + + } + + setSize( width, height, depth = 1 ) { + + if ( this.width !== width || this.height !== height || this.depth !== depth ) { + + this.width = width; + this.height = height; + this.depth = depth; + + for ( let i = 0, il = this.texture.length; i < il; i ++ ) { + + this.texture[ i ].image.width = width; + this.texture[ i ].image.height = height; + this.texture[ i ].image.depth = depth; + + } + + this.dispose(); + + } + + this.viewport.set( 0, 0, width, height ); + this.scissor.set( 0, 0, width, height ); + + return this; + + } + + copy( source ) { + + this.dispose(); + + this.width = source.width; + this.height = source.height; + this.depth = source.depth; + + this.viewport.set( 0, 0, this.width, this.height ); + this.scissor.set( 0, 0, this.width, this.height ); + + this.depthBuffer = source.depthBuffer; + this.stencilBuffer = source.stencilBuffer; + + if ( source.depthTexture !== null ) this.depthTexture = source.depthTexture.clone(); + + this.texture.length = 0; + + for ( let i = 0, il = source.texture.length; i < il; i ++ ) { + + this.texture[ i ] = source.texture[ i ].clone(); + this.texture[ i ].isRenderTargetTexture = true; + + } + + return this; + + } + +} + +class Quaternion { + + constructor( x = 0, y = 0, z = 0, w = 1 ) { + + this.isQuaternion = true; + + this._x = x; + this._y = y; + this._z = z; + this._w = w; + + } + + static slerp( qa, qb, qm, t ) { + + console.warn( 'THREE.Quaternion: Static .slerp() has been deprecated. Use qm.slerpQuaternions( qa, qb, t ) instead.' ); + return qm.slerpQuaternions( qa, qb, t ); + + } + + static slerpFlat( dst, dstOffset, src0, srcOffset0, src1, srcOffset1, t ) { + + // fuzz-free, array-based Quaternion SLERP operation + + let x0 = src0[ srcOffset0 + 0 ], + y0 = src0[ srcOffset0 + 1 ], + z0 = src0[ srcOffset0 + 2 ], + w0 = src0[ srcOffset0 + 3 ]; + + const x1 = src1[ srcOffset1 + 0 ], + y1 = src1[ srcOffset1 + 1 ], + z1 = src1[ srcOffset1 + 2 ], + w1 = src1[ srcOffset1 + 3 ]; + + if ( t === 0 ) { + + dst[ dstOffset + 0 ] = x0; + dst[ dstOffset + 1 ] = y0; + dst[ dstOffset + 2 ] = z0; + dst[ dstOffset + 3 ] = w0; + return; + + } + + if ( t === 1 ) { + + dst[ dstOffset + 0 ] = x1; + dst[ dstOffset + 1 ] = y1; + dst[ dstOffset + 2 ] = z1; + dst[ dstOffset + 3 ] = w1; + return; + + } + + if ( w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1 ) { + + let s = 1 - t; + const cos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1, + dir = ( cos >= 0 ? 1 : - 1 ), + sqrSin = 1 - cos * cos; + + // Skip the Slerp for tiny steps to avoid numeric problems: + if ( sqrSin > Number.EPSILON ) { + + const sin = Math.sqrt( sqrSin ), + len = Math.atan2( sin, cos * dir ); + + s = Math.sin( s * len ) / sin; + t = Math.sin( t * len ) / sin; + + } + + const tDir = t * dir; + + x0 = x0 * s + x1 * tDir; + y0 = y0 * s + y1 * tDir; + z0 = z0 * s + z1 * tDir; + w0 = w0 * s + w1 * tDir; + + // Normalize in case we just did a lerp: + if ( s === 1 - t ) { + + const f = 1 / Math.sqrt( x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0 ); + + x0 *= f; + y0 *= f; + z0 *= f; + w0 *= f; + + } + + } + + dst[ dstOffset ] = x0; + dst[ dstOffset + 1 ] = y0; + dst[ dstOffset + 2 ] = z0; + dst[ dstOffset + 3 ] = w0; + + } + + static multiplyQuaternionsFlat( dst, dstOffset, src0, srcOffset0, src1, srcOffset1 ) { + + const x0 = src0[ srcOffset0 ]; + const y0 = src0[ srcOffset0 + 1 ]; + const z0 = src0[ srcOffset0 + 2 ]; + const w0 = src0[ srcOffset0 + 3 ]; + + const x1 = src1[ srcOffset1 ]; + const y1 = src1[ srcOffset1 + 1 ]; + const z1 = src1[ srcOffset1 + 2 ]; + const w1 = src1[ srcOffset1 + 3 ]; + + dst[ dstOffset ] = x0 * w1 + w0 * x1 + y0 * z1 - z0 * y1; + dst[ dstOffset + 1 ] = y0 * w1 + w0 * y1 + z0 * x1 - x0 * z1; + dst[ dstOffset + 2 ] = z0 * w1 + w0 * z1 + x0 * y1 - y0 * x1; + dst[ dstOffset + 3 ] = w0 * w1 - x0 * x1 - y0 * y1 - z0 * z1; + + return dst; + + } + + get x() { + + return this._x; + + } + + set x( value ) { + + this._x = value; + this._onChangeCallback(); + + } + + get y() { + + return this._y; + + } + + set y( value ) { + + this._y = value; + this._onChangeCallback(); + + } + + get z() { + + return this._z; + + } + + set z( value ) { + + this._z = value; + this._onChangeCallback(); + + } + + get w() { + + return this._w; + + } + + set w( value ) { + + this._w = value; + this._onChangeCallback(); + + } + + set( x, y, z, w ) { + + this._x = x; + this._y = y; + this._z = z; + this._w = w; + + this._onChangeCallback(); + + return this; + + } + + clone() { + + return new this.constructor( this._x, this._y, this._z, this._w ); + + } + + copy( quaternion ) { + + this._x = quaternion.x; + this._y = quaternion.y; + this._z = quaternion.z; + this._w = quaternion.w; + + this._onChangeCallback(); + + return this; + + } + + setFromEuler( euler, update ) { + + if ( ! ( euler && euler.isEuler ) ) { + + throw new Error( 'THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.' ); + + } + + const x = euler._x, y = euler._y, z = euler._z, order = euler._order; + + // http://www.mathworks.com/matlabcentral/fileexchange/ + // 20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/ + // content/SpinCalc.m + + const cos = Math.cos; + const sin = Math.sin; + + const c1 = cos( x / 2 ); + const c2 = cos( y / 2 ); + const c3 = cos( z / 2 ); + + const s1 = sin( x / 2 ); + const s2 = sin( y / 2 ); + const s3 = sin( z / 2 ); + + switch ( order ) { + + case 'XYZ': + this._x = s1 * c2 * c3 + c1 * s2 * s3; + this._y = c1 * s2 * c3 - s1 * c2 * s3; + this._z = c1 * c2 * s3 + s1 * s2 * c3; + this._w = c1 * c2 * c3 - s1 * s2 * s3; + break; + + case 'YXZ': + this._x = s1 * c2 * c3 + c1 * s2 * s3; + this._y = c1 * s2 * c3 - s1 * c2 * s3; + this._z = c1 * c2 * s3 - s1 * s2 * c3; + this._w = c1 * c2 * c3 + s1 * s2 * s3; + break; + + case 'ZXY': + this._x = s1 * c2 * c3 - c1 * s2 * s3; + this._y = c1 * s2 * c3 + s1 * c2 * s3; + this._z = c1 * c2 * s3 + s1 * s2 * c3; + this._w = c1 * c2 * c3 - s1 * s2 * s3; + break; + + case 'ZYX': + this._x = s1 * c2 * c3 - c1 * s2 * s3; + this._y = c1 * s2 * c3 + s1 * c2 * s3; + this._z = c1 * c2 * s3 - s1 * s2 * c3; + this._w = c1 * c2 * c3 + s1 * s2 * s3; + break; + + case 'YZX': + this._x = s1 * c2 * c3 + c1 * s2 * s3; + this._y = c1 * s2 * c3 + s1 * c2 * s3; + this._z = c1 * c2 * s3 - s1 * s2 * c3; + this._w = c1 * c2 * c3 - s1 * s2 * s3; + break; + + case 'XZY': + this._x = s1 * c2 * c3 - c1 * s2 * s3; + this._y = c1 * s2 * c3 - s1 * c2 * s3; + this._z = c1 * c2 * s3 + s1 * s2 * c3; + this._w = c1 * c2 * c3 + s1 * s2 * s3; + break; + + default: + console.warn( 'THREE.Quaternion: .setFromEuler() encountered an unknown order: ' + order ); + + } + + if ( update !== false ) this._onChangeCallback(); + + return this; + + } + + setFromAxisAngle( axis, angle ) { + + // http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm + + // assumes axis is normalized + + const halfAngle = angle / 2, s = Math.sin( halfAngle ); + + this._x = axis.x * s; + this._y = axis.y * s; + this._z = axis.z * s; + this._w = Math.cos( halfAngle ); + + this._onChangeCallback(); + + return this; + + } + + setFromRotationMatrix( m ) { + + // http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm + + // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) + + const te = m.elements, + + m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ], + m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ], + m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ], + + trace = m11 + m22 + m33; + + if ( trace > 0 ) { + + const s = 0.5 / Math.sqrt( trace + 1.0 ); + + this._w = 0.25 / s; + this._x = ( m32 - m23 ) * s; + this._y = ( m13 - m31 ) * s; + this._z = ( m21 - m12 ) * s; + + } else if ( m11 > m22 && m11 > m33 ) { + + const s = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 ); + + this._w = ( m32 - m23 ) / s; + this._x = 0.25 * s; + this._y = ( m12 + m21 ) / s; + this._z = ( m13 + m31 ) / s; + + } else if ( m22 > m33 ) { + + const s = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 ); + + this._w = ( m13 - m31 ) / s; + this._x = ( m12 + m21 ) / s; + this._y = 0.25 * s; + this._z = ( m23 + m32 ) / s; + + } else { + + const s = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 ); + + this._w = ( m21 - m12 ) / s; + this._x = ( m13 + m31 ) / s; + this._y = ( m23 + m32 ) / s; + this._z = 0.25 * s; + + } + + this._onChangeCallback(); + + return this; + + } + + setFromUnitVectors( vFrom, vTo ) { + + // assumes direction vectors vFrom and vTo are normalized + + let r = vFrom.dot( vTo ) + 1; + + if ( r < Number.EPSILON ) { + + // vFrom and vTo point in opposite directions + + r = 0; + + if ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) { + + this._x = - vFrom.y; + this._y = vFrom.x; + this._z = 0; + this._w = r; + + } else { + + this._x = 0; + this._y = - vFrom.z; + this._z = vFrom.y; + this._w = r; + + } + + } else { + + // crossVectors( vFrom, vTo ); // inlined to avoid cyclic dependency on Vector3 + + this._x = vFrom.y * vTo.z - vFrom.z * vTo.y; + this._y = vFrom.z * vTo.x - vFrom.x * vTo.z; + this._z = vFrom.x * vTo.y - vFrom.y * vTo.x; + this._w = r; + + } + + return this.normalize(); + + } + + angleTo( q ) { + + return 2 * Math.acos( Math.abs( clamp( this.dot( q ), - 1, 1 ) ) ); + + } + + rotateTowards( q, step ) { + + const angle = this.angleTo( q ); + + if ( angle === 0 ) return this; + + const t = Math.min( 1, step / angle ); + + this.slerp( q, t ); + + return this; + + } + + identity() { + + return this.set( 0, 0, 0, 1 ); + + } + + invert() { + + // quaternion is assumed to have unit length + + return this.conjugate(); + + } + + conjugate() { + + this._x *= - 1; + this._y *= - 1; + this._z *= - 1; + + this._onChangeCallback(); + + return this; + + } + + dot( v ) { + + return this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w; + + } + + lengthSq() { + + return this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w; + + } + + length() { + + return Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w ); + + } + + normalize() { + + let l = this.length(); + + if ( l === 0 ) { + + this._x = 0; + this._y = 0; + this._z = 0; + this._w = 1; + + } else { + + l = 1 / l; + + this._x = this._x * l; + this._y = this._y * l; + this._z = this._z * l; + this._w = this._w * l; + + } + + this._onChangeCallback(); + + return this; + + } + + multiply( q, p ) { + + if ( p !== undefined ) { + + console.warn( 'THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead.' ); + return this.multiplyQuaternions( q, p ); + + } + + return this.multiplyQuaternions( this, q ); + + } + + premultiply( q ) { + + return this.multiplyQuaternions( q, this ); + + } + + multiplyQuaternions( a, b ) { + + // from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm + + const qax = a._x, qay = a._y, qaz = a._z, qaw = a._w; + const qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w; + + this._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby; + this._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz; + this._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx; + this._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz; + + this._onChangeCallback(); + + return this; + + } + + slerp( qb, t ) { + + if ( t === 0 ) return this; + if ( t === 1 ) return this.copy( qb ); + + const x = this._x, y = this._y, z = this._z, w = this._w; + + // http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/ + + let cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z; + + if ( cosHalfTheta < 0 ) { + + this._w = - qb._w; + this._x = - qb._x; + this._y = - qb._y; + this._z = - qb._z; + + cosHalfTheta = - cosHalfTheta; + + } else { + + this.copy( qb ); + + } + + if ( cosHalfTheta >= 1.0 ) { + + this._w = w; + this._x = x; + this._y = y; + this._z = z; + + return this; + + } + + const sqrSinHalfTheta = 1.0 - cosHalfTheta * cosHalfTheta; + + if ( sqrSinHalfTheta <= Number.EPSILON ) { + + const s = 1 - t; + this._w = s * w + t * this._w; + this._x = s * x + t * this._x; + this._y = s * y + t * this._y; + this._z = s * z + t * this._z; + + this.normalize(); + this._onChangeCallback(); + + return this; + + } + + const sinHalfTheta = Math.sqrt( sqrSinHalfTheta ); + const halfTheta = Math.atan2( sinHalfTheta, cosHalfTheta ); + const ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta, + ratioB = Math.sin( t * halfTheta ) / sinHalfTheta; + + this._w = ( w * ratioA + this._w * ratioB ); + this._x = ( x * ratioA + this._x * ratioB ); + this._y = ( y * ratioA + this._y * ratioB ); + this._z = ( z * ratioA + this._z * ratioB ); + + this._onChangeCallback(); + + return this; + + } + + slerpQuaternions( qa, qb, t ) { + + return this.copy( qa ).slerp( qb, t ); + + } + + random() { + + // Derived from http://planning.cs.uiuc.edu/node198.html + // Note, this source uses w, x, y, z ordering, + // so we swap the order below. + + const u1 = Math.random(); + const sqrt1u1 = Math.sqrt( 1 - u1 ); + const sqrtu1 = Math.sqrt( u1 ); + + const u2 = 2 * Math.PI * Math.random(); + + const u3 = 2 * Math.PI * Math.random(); + + return this.set( + sqrt1u1 * Math.cos( u2 ), + sqrtu1 * Math.sin( u3 ), + sqrtu1 * Math.cos( u3 ), + sqrt1u1 * Math.sin( u2 ), + ); + + } + + equals( quaternion ) { + + return ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w ); + + } + + fromArray( array, offset = 0 ) { + + this._x = array[ offset ]; + this._y = array[ offset + 1 ]; + this._z = array[ offset + 2 ]; + this._w = array[ offset + 3 ]; + + this._onChangeCallback(); + + return this; + + } + + toArray( array = [], offset = 0 ) { + + array[ offset ] = this._x; + array[ offset + 1 ] = this._y; + array[ offset + 2 ] = this._z; + array[ offset + 3 ] = this._w; + + return array; + + } + + fromBufferAttribute( attribute, index ) { + + this._x = attribute.getX( index ); + this._y = attribute.getY( index ); + this._z = attribute.getZ( index ); + this._w = attribute.getW( index ); + + return this; + + } + + _onChange( callback ) { + + this._onChangeCallback = callback; + + return this; + + } + + _onChangeCallback() {} + + *[ Symbol.iterator ]() { + + yield this._x; + yield this._y; + yield this._z; + yield this._w; + + } + +} + +class Vector3 { + + constructor( x = 0, y = 0, z = 0 ) { + + Vector3.prototype.isVector3 = true; + + this.x = x; + this.y = y; + this.z = z; + + } + + set( x, y, z ) { + + if ( z === undefined ) z = this.z; // sprite.scale.set(x,y) + + this.x = x; + this.y = y; + this.z = z; + + return this; + + } + + setScalar( scalar ) { + + this.x = scalar; + this.y = scalar; + this.z = scalar; + + return this; + + } + + setX( x ) { + + this.x = x; + + return this; + + } + + setY( y ) { + + this.y = y; + + return this; + + } + + setZ( z ) { + + this.z = z; + + return this; + + } + + setComponent( index, value ) { + + switch ( index ) { + + case 0: this.x = value; break; + case 1: this.y = value; break; + case 2: this.z = value; break; + default: throw new Error( 'index is out of range: ' + index ); + + } + + return this; + + } + + getComponent( index ) { + + switch ( index ) { + + case 0: return this.x; + case 1: return this.y; + case 2: return this.z; + default: throw new Error( 'index is out of range: ' + index ); + + } + + } + + clone() { + + return new this.constructor( this.x, this.y, this.z ); + + } + + copy( v ) { + + this.x = v.x; + this.y = v.y; + this.z = v.z; + + return this; + + } + + add( v, w ) { + + if ( w !== undefined ) { + + console.warn( 'THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead.' ); + return this.addVectors( v, w ); + + } + + this.x += v.x; + this.y += v.y; + this.z += v.z; + + return this; + + } + + addScalar( s ) { + + this.x += s; + this.y += s; + this.z += s; + + return this; + + } + + addVectors( a, b ) { + + this.x = a.x + b.x; + this.y = a.y + b.y; + this.z = a.z + b.z; + + return this; + + } + + addScaledVector( v, s ) { + + this.x += v.x * s; + this.y += v.y * s; + this.z += v.z * s; + + return this; + + } + + sub( v, w ) { + + if ( w !== undefined ) { + + console.warn( 'THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.' ); + return this.subVectors( v, w ); + + } + + this.x -= v.x; + this.y -= v.y; + this.z -= v.z; + + return this; + + } + + subScalar( s ) { + + this.x -= s; + this.y -= s; + this.z -= s; + + return this; + + } + + subVectors( a, b ) { + + this.x = a.x - b.x; + this.y = a.y - b.y; + this.z = a.z - b.z; + + return this; + + } + + multiply( v, w ) { + + if ( w !== undefined ) { + + console.warn( 'THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead.' ); + return this.multiplyVectors( v, w ); + + } + + this.x *= v.x; + this.y *= v.y; + this.z *= v.z; + + return this; + + } + + multiplyScalar( scalar ) { + + this.x *= scalar; + this.y *= scalar; + this.z *= scalar; + + return this; + + } + + multiplyVectors( a, b ) { + + this.x = a.x * b.x; + this.y = a.y * b.y; + this.z = a.z * b.z; + + return this; + + } + + applyEuler( euler ) { + + if ( ! ( euler && euler.isEuler ) ) { + + console.error( 'THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.' ); + + } + + return this.applyQuaternion( _quaternion$4.setFromEuler( euler ) ); + + } + + applyAxisAngle( axis, angle ) { + + return this.applyQuaternion( _quaternion$4.setFromAxisAngle( axis, angle ) ); + + } + + applyMatrix3( m ) { + + const x = this.x, y = this.y, z = this.z; + const e = m.elements; + + this.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ] * z; + this.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ] * z; + this.z = e[ 2 ] * x + e[ 5 ] * y + e[ 8 ] * z; + + return this; + + } + + applyNormalMatrix( m ) { + + return this.applyMatrix3( m ).normalize(); + + } + + applyMatrix4( m ) { + + const x = this.x, y = this.y, z = this.z; + const e = m.elements; + + const w = 1 / ( e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] ); + + this.x = ( e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] ) * w; + this.y = ( e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] ) * w; + this.z = ( e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] ) * w; + + return this; + + } + + applyQuaternion( q ) { + + const x = this.x, y = this.y, z = this.z; + const qx = q.x, qy = q.y, qz = q.z, qw = q.w; + + // calculate quat * vector + + const ix = qw * x + qy * z - qz * y; + const iy = qw * y + qz * x - qx * z; + const iz = qw * z + qx * y - qy * x; + const iw = - qx * x - qy * y - qz * z; + + // calculate result * inverse quat + + this.x = ix * qw + iw * - qx + iy * - qz - iz * - qy; + this.y = iy * qw + iw * - qy + iz * - qx - ix * - qz; + this.z = iz * qw + iw * - qz + ix * - qy - iy * - qx; + + return this; + + } + + project( camera ) { + + return this.applyMatrix4( camera.matrixWorldInverse ).applyMatrix4( camera.projectionMatrix ); + + } + + unproject( camera ) { + + return this.applyMatrix4( camera.projectionMatrixInverse ).applyMatrix4( camera.matrixWorld ); + + } + + transformDirection( m ) { + + // input: THREE.Matrix4 affine matrix + // vector interpreted as a direction + + const x = this.x, y = this.y, z = this.z; + const e = m.elements; + + this.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z; + this.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z; + this.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z; + + return this.normalize(); + + } + + divide( v ) { + + this.x /= v.x; + this.y /= v.y; + this.z /= v.z; + + return this; + + } + + divideScalar( scalar ) { + + return this.multiplyScalar( 1 / scalar ); + + } + + min( v ) { + + this.x = Math.min( this.x, v.x ); + this.y = Math.min( this.y, v.y ); + this.z = Math.min( this.z, v.z ); + + return this; + + } + + max( v ) { + + this.x = Math.max( this.x, v.x ); + this.y = Math.max( this.y, v.y ); + this.z = Math.max( this.z, v.z ); + + return this; + + } + + clamp( min, max ) { + + // assumes min < max, componentwise + + this.x = Math.max( min.x, Math.min( max.x, this.x ) ); + this.y = Math.max( min.y, Math.min( max.y, this.y ) ); + this.z = Math.max( min.z, Math.min( max.z, this.z ) ); + + return this; + + } + + clampScalar( minVal, maxVal ) { + + this.x = Math.max( minVal, Math.min( maxVal, this.x ) ); + this.y = Math.max( minVal, Math.min( maxVal, this.y ) ); + this.z = Math.max( minVal, Math.min( maxVal, this.z ) ); + + return this; + + } + + clampLength( min, max ) { + + const length = this.length(); + + return this.divideScalar( length || 1 ).multiplyScalar( Math.max( min, Math.min( max, length ) ) ); + + } + + floor() { + + this.x = Math.floor( this.x ); + this.y = Math.floor( this.y ); + this.z = Math.floor( this.z ); + + return this; + + } + + ceil() { + + this.x = Math.ceil( this.x ); + this.y = Math.ceil( this.y ); + this.z = Math.ceil( this.z ); + + return this; + + } + + round() { + + this.x = Math.round( this.x ); + this.y = Math.round( this.y ); + this.z = Math.round( this.z ); + + return this; + + } + + roundToZero() { + + this.x = ( this.x < 0 ) ? Math.ceil( this.x ) : Math.floor( this.x ); + this.y = ( this.y < 0 ) ? Math.ceil( this.y ) : Math.floor( this.y ); + this.z = ( this.z < 0 ) ? Math.ceil( this.z ) : Math.floor( this.z ); + + return this; + + } + + negate() { + + this.x = - this.x; + this.y = - this.y; + this.z = - this.z; + + return this; + + } + + dot( v ) { + + return this.x * v.x + this.y * v.y + this.z * v.z; + + } + + // TODO lengthSquared? + + lengthSq() { + + return this.x * this.x + this.y * this.y + this.z * this.z; + + } + + length() { + + return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z ); + + } + + manhattanLength() { + + return Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ); + + } + + normalize() { + + return this.divideScalar( this.length() || 1 ); + + } + + setLength( length ) { + + return this.normalize().multiplyScalar( length ); + + } + + lerp( v, alpha ) { + + this.x += ( v.x - this.x ) * alpha; + this.y += ( v.y - this.y ) * alpha; + this.z += ( v.z - this.z ) * alpha; + + return this; + + } + + lerpVectors( v1, v2, alpha ) { + + this.x = v1.x + ( v2.x - v1.x ) * alpha; + this.y = v1.y + ( v2.y - v1.y ) * alpha; + this.z = v1.z + ( v2.z - v1.z ) * alpha; + + return this; + + } + + cross( v, w ) { + + if ( w !== undefined ) { + + console.warn( 'THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead.' ); + return this.crossVectors( v, w ); + + } + + return this.crossVectors( this, v ); + + } + + crossVectors( a, b ) { + + const ax = a.x, ay = a.y, az = a.z; + const bx = b.x, by = b.y, bz = b.z; + + this.x = ay * bz - az * by; + this.y = az * bx - ax * bz; + this.z = ax * by - ay * bx; + + return this; + + } + + projectOnVector( v ) { + + const denominator = v.lengthSq(); + + if ( denominator === 0 ) return this.set( 0, 0, 0 ); + + const scalar = v.dot( this ) / denominator; + + return this.copy( v ).multiplyScalar( scalar ); + + } + + projectOnPlane( planeNormal ) { + + _vector$c.copy( this ).projectOnVector( planeNormal ); + + return this.sub( _vector$c ); + + } + + reflect( normal ) { + + // reflect incident vector off plane orthogonal to normal + // normal is assumed to have unit length + + return this.sub( _vector$c.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) ); + + } + + angleTo( v ) { + + const denominator = Math.sqrt( this.lengthSq() * v.lengthSq() ); + + if ( denominator === 0 ) return Math.PI / 2; + + const theta = this.dot( v ) / denominator; + + // clamp, to handle numerical problems + + return Math.acos( clamp( theta, - 1, 1 ) ); + + } + + distanceTo( v ) { + + return Math.sqrt( this.distanceToSquared( v ) ); + + } + + distanceToSquared( v ) { + + const dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z; + + return dx * dx + dy * dy + dz * dz; + + } + + manhattanDistanceTo( v ) { + + return Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ) + Math.abs( this.z - v.z ); + + } + + setFromSpherical( s ) { + + return this.setFromSphericalCoords( s.radius, s.phi, s.theta ); + + } + + setFromSphericalCoords( radius, phi, theta ) { + + const sinPhiRadius = Math.sin( phi ) * radius; + + this.x = sinPhiRadius * Math.sin( theta ); + this.y = Math.cos( phi ) * radius; + this.z = sinPhiRadius * Math.cos( theta ); + + return this; + + } + + setFromCylindrical( c ) { + + return this.setFromCylindricalCoords( c.radius, c.theta, c.y ); + + } + + setFromCylindricalCoords( radius, theta, y ) { + + this.x = radius * Math.sin( theta ); + this.y = y; + this.z = radius * Math.cos( theta ); + + return this; + + } + + setFromMatrixPosition( m ) { + + const e = m.elements; + + this.x = e[ 12 ]; + this.y = e[ 13 ]; + this.z = e[ 14 ]; + + return this; + + } + + setFromMatrixScale( m ) { + + const sx = this.setFromMatrixColumn( m, 0 ).length(); + const sy = this.setFromMatrixColumn( m, 1 ).length(); + const sz = this.setFromMatrixColumn( m, 2 ).length(); + + this.x = sx; + this.y = sy; + this.z = sz; + + return this; + + } + + setFromMatrixColumn( m, index ) { + + return this.fromArray( m.elements, index * 4 ); + + } + + setFromMatrix3Column( m, index ) { + + return this.fromArray( m.elements, index * 3 ); + + } + + setFromEuler( e ) { + + this.x = e._x; + this.y = e._y; + this.z = e._z; + + return this; + + } + + equals( v ) { + + return ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) ); + + } + + fromArray( array, offset = 0 ) { + + this.x = array[ offset ]; + this.y = array[ offset + 1 ]; + this.z = array[ offset + 2 ]; + + return this; + + } + + toArray( array = [], offset = 0 ) { + + array[ offset ] = this.x; + array[ offset + 1 ] = this.y; + array[ offset + 2 ] = this.z; + + return array; + + } + + fromBufferAttribute( attribute, index, offset ) { + + if ( offset !== undefined ) { + + console.warn( 'THREE.Vector3: offset has been removed from .fromBufferAttribute().' ); + + } + + this.x = attribute.getX( index ); + this.y = attribute.getY( index ); + this.z = attribute.getZ( index ); + + return this; + + } + + random() { + + this.x = Math.random(); + this.y = Math.random(); + this.z = Math.random(); + + return this; + + } + + randomDirection() { + + // Derived from https://mathworld.wolfram.com/SpherePointPicking.html + + const u = ( Math.random() - 0.5 ) * 2; + const t = Math.random() * Math.PI * 2; + const f = Math.sqrt( 1 - u ** 2 ); + + this.x = f * Math.cos( t ); + this.y = f * Math.sin( t ); + this.z = u; + + return this; + + } + + *[ Symbol.iterator ]() { + + yield this.x; + yield this.y; + yield this.z; + + } + +} + +const _vector$c = /*@__PURE__*/ new Vector3(); +const _quaternion$4 = /*@__PURE__*/ new Quaternion(); + +class Box3 { + + constructor( min = new Vector3( + Infinity, + Infinity, + Infinity ), max = new Vector3( - Infinity, - Infinity, - Infinity ) ) { + + this.isBox3 = true; + + this.min = min; + this.max = max; + + } + + set( min, max ) { + + this.min.copy( min ); + this.max.copy( max ); + + return this; + + } + + setFromArray( array ) { + + let minX = + Infinity; + let minY = + Infinity; + let minZ = + Infinity; + + let maxX = - Infinity; + let maxY = - Infinity; + let maxZ = - Infinity; + + for ( let i = 0, l = array.length; i < l; i += 3 ) { + + const x = array[ i ]; + const y = array[ i + 1 ]; + const z = array[ i + 2 ]; + + if ( x < minX ) minX = x; + if ( y < minY ) minY = y; + if ( z < minZ ) minZ = z; + + if ( x > maxX ) maxX = x; + if ( y > maxY ) maxY = y; + if ( z > maxZ ) maxZ = z; + + } + + this.min.set( minX, minY, minZ ); + this.max.set( maxX, maxY, maxZ ); + + return this; + + } + + setFromBufferAttribute( attribute ) { + + let minX = + Infinity; + let minY = + Infinity; + let minZ = + Infinity; + + let maxX = - Infinity; + let maxY = - Infinity; + let maxZ = - Infinity; + + for ( let i = 0, l = attribute.count; i < l; i ++ ) { + + const x = attribute.getX( i ); + const y = attribute.getY( i ); + const z = attribute.getZ( i ); + + if ( x < minX ) minX = x; + if ( y < minY ) minY = y; + if ( z < minZ ) minZ = z; + + if ( x > maxX ) maxX = x; + if ( y > maxY ) maxY = y; + if ( z > maxZ ) maxZ = z; + + } + + this.min.set( minX, minY, minZ ); + this.max.set( maxX, maxY, maxZ ); + + return this; + + } + + setFromPoints( points ) { + + this.makeEmpty(); + + for ( let i = 0, il = points.length; i < il; i ++ ) { + + this.expandByPoint( points[ i ] ); + + } + + return this; + + } + + setFromCenterAndSize( center, size ) { + + const halfSize = _vector$b.copy( size ).multiplyScalar( 0.5 ); + + this.min.copy( center ).sub( halfSize ); + this.max.copy( center ).add( halfSize ); + + return this; + + } + + setFromObject( object, precise = false ) { + + this.makeEmpty(); + + return this.expandByObject( object, precise ); + + } + + clone() { + + return new this.constructor().copy( this ); + + } + + copy( box ) { + + this.min.copy( box.min ); + this.max.copy( box.max ); + + return this; + + } + + makeEmpty() { + + this.min.x = this.min.y = this.min.z = + Infinity; + this.max.x = this.max.y = this.max.z = - Infinity; + + return this; + + } + + isEmpty() { + + // this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes + + return ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ) || ( this.max.z < this.min.z ); + + } + + getCenter( target ) { + + return this.isEmpty() ? target.set( 0, 0, 0 ) : target.addVectors( this.min, this.max ).multiplyScalar( 0.5 ); + + } + + getSize( target ) { + + return this.isEmpty() ? target.set( 0, 0, 0 ) : target.subVectors( this.max, this.min ); + + } + + expandByPoint( point ) { + + this.min.min( point ); + this.max.max( point ); + + return this; + + } + + expandByVector( vector ) { + + this.min.sub( vector ); + this.max.add( vector ); + + return this; + + } + + expandByScalar( scalar ) { + + this.min.addScalar( - scalar ); + this.max.addScalar( scalar ); + + return this; + + } + + expandByObject( object, precise = false ) { + + // Computes the world-axis-aligned bounding box of an object (including its children), + // accounting for both the object's, and children's, world transforms + + object.updateWorldMatrix( false, false ); + + const geometry = object.geometry; + + if ( geometry !== undefined ) { + + if ( precise && geometry.attributes != undefined && geometry.attributes.position !== undefined ) { + + const position = geometry.attributes.position; + for ( let i = 0, l = position.count; i < l; i ++ ) { + + _vector$b.fromBufferAttribute( position, i ).applyMatrix4( object.matrixWorld ); + this.expandByPoint( _vector$b ); + + } + + } else { + + if ( geometry.boundingBox === null ) { + + geometry.computeBoundingBox(); + + } + + _box$3.copy( geometry.boundingBox ); + _box$3.applyMatrix4( object.matrixWorld ); + + this.union( _box$3 ); + + } + + } + + const children = object.children; + + for ( let i = 0, l = children.length; i < l; i ++ ) { + + this.expandByObject( children[ i ], precise ); + + } + + return this; + + } + + containsPoint( point ) { + + return point.x < this.min.x || point.x > this.max.x || + point.y < this.min.y || point.y > this.max.y || + point.z < this.min.z || point.z > this.max.z ? false : true; + + } + + containsBox( box ) { + + return this.min.x <= box.min.x && box.max.x <= this.max.x && + this.min.y <= box.min.y && box.max.y <= this.max.y && + this.min.z <= box.min.z && box.max.z <= this.max.z; + + } + + getParameter( point, target ) { + + // This can potentially have a divide by zero if the box + // has a size dimension of 0. + + return target.set( + ( point.x - this.min.x ) / ( this.max.x - this.min.x ), + ( point.y - this.min.y ) / ( this.max.y - this.min.y ), + ( point.z - this.min.z ) / ( this.max.z - this.min.z ) + ); + + } + + intersectsBox( box ) { + + // using 6 splitting planes to rule out intersections. + return box.max.x < this.min.x || box.min.x > this.max.x || + box.max.y < this.min.y || box.min.y > this.max.y || + box.max.z < this.min.z || box.min.z > this.max.z ? false : true; + + } + + intersectsSphere( sphere ) { + + // Find the point on the AABB closest to the sphere center. + this.clampPoint( sphere.center, _vector$b ); + + // If that point is inside the sphere, the AABB and sphere intersect. + return _vector$b.distanceToSquared( sphere.center ) <= ( sphere.radius * sphere.radius ); + + } + + intersectsPlane( plane ) { + + // We compute the minimum and maximum dot product values. If those values + // are on the same side (back or front) of the plane, then there is no intersection. + + let min, max; + + if ( plane.normal.x > 0 ) { + + min = plane.normal.x * this.min.x; + max = plane.normal.x * this.max.x; + + } else { + + min = plane.normal.x * this.max.x; + max = plane.normal.x * this.min.x; + + } + + if ( plane.normal.y > 0 ) { + + min += plane.normal.y * this.min.y; + max += plane.normal.y * this.max.y; + + } else { + + min += plane.normal.y * this.max.y; + max += plane.normal.y * this.min.y; + + } + + if ( plane.normal.z > 0 ) { + + min += plane.normal.z * this.min.z; + max += plane.normal.z * this.max.z; + + } else { + + min += plane.normal.z * this.max.z; + max += plane.normal.z * this.min.z; + + } + + return ( min <= - plane.constant && max >= - plane.constant ); + + } + + intersectsTriangle( triangle ) { + + if ( this.isEmpty() ) { + + return false; + + } + + // compute box center and extents + this.getCenter( _center ); + _extents.subVectors( this.max, _center ); + + // translate triangle to aabb origin + _v0$2.subVectors( triangle.a, _center ); + _v1$7.subVectors( triangle.b, _center ); + _v2$3.subVectors( triangle.c, _center ); + + // compute edge vectors for triangle + _f0.subVectors( _v1$7, _v0$2 ); + _f1.subVectors( _v2$3, _v1$7 ); + _f2.subVectors( _v0$2, _v2$3 ); + + // test against axes that are given by cross product combinations of the edges of the triangle and the edges of the aabb + // make an axis testing of each of the 3 sides of the aabb against each of the 3 sides of the triangle = 9 axis of separation + // axis_ij = u_i x f_j (u0, u1, u2 = face normals of aabb = x,y,z axes vectors since aabb is axis aligned) + let axes = [ + 0, - _f0.z, _f0.y, 0, - _f1.z, _f1.y, 0, - _f2.z, _f2.y, + _f0.z, 0, - _f0.x, _f1.z, 0, - _f1.x, _f2.z, 0, - _f2.x, + - _f0.y, _f0.x, 0, - _f1.y, _f1.x, 0, - _f2.y, _f2.x, 0 + ]; + if ( ! satForAxes( axes, _v0$2, _v1$7, _v2$3, _extents ) ) { + + return false; + + } + + // test 3 face normals from the aabb + axes = [ 1, 0, 0, 0, 1, 0, 0, 0, 1 ]; + if ( ! satForAxes( axes, _v0$2, _v1$7, _v2$3, _extents ) ) { + + return false; + + } + + // finally testing the face normal of the triangle + // use already existing triangle edge vectors here + _triangleNormal.crossVectors( _f0, _f1 ); + axes = [ _triangleNormal.x, _triangleNormal.y, _triangleNormal.z ]; + + return satForAxes( axes, _v0$2, _v1$7, _v2$3, _extents ); + + } + + clampPoint( point, target ) { + + return target.copy( point ).clamp( this.min, this.max ); + + } + + distanceToPoint( point ) { + + const clampedPoint = _vector$b.copy( point ).clamp( this.min, this.max ); + + return clampedPoint.sub( point ).length(); + + } + + getBoundingSphere( target ) { + + this.getCenter( target.center ); + + target.radius = this.getSize( _vector$b ).length() * 0.5; + + return target; + + } + + intersect( box ) { + + this.min.max( box.min ); + this.max.min( box.max ); + + // ensure that if there is no overlap, the result is fully empty, not slightly empty with non-inf/+inf values that will cause subsequence intersects to erroneously return valid values. + if ( this.isEmpty() ) this.makeEmpty(); + + return this; + + } + + union( box ) { + + this.min.min( box.min ); + this.max.max( box.max ); + + return this; + + } + + applyMatrix4( matrix ) { + + // transform of empty box is an empty box. + if ( this.isEmpty() ) return this; + + // NOTE: I am using a binary pattern to specify all 2^3 combinations below + _points[ 0 ].set( this.min.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 000 + _points[ 1 ].set( this.min.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 001 + _points[ 2 ].set( this.min.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 010 + _points[ 3 ].set( this.min.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 011 + _points[ 4 ].set( this.max.x, this.min.y, this.min.z ).applyMatrix4( matrix ); // 100 + _points[ 5 ].set( this.max.x, this.min.y, this.max.z ).applyMatrix4( matrix ); // 101 + _points[ 6 ].set( this.max.x, this.max.y, this.min.z ).applyMatrix4( matrix ); // 110 + _points[ 7 ].set( this.max.x, this.max.y, this.max.z ).applyMatrix4( matrix ); // 111 + + this.setFromPoints( _points ); + + return this; + + } + + translate( offset ) { + + this.min.add( offset ); + this.max.add( offset ); + + return this; + + } + + equals( box ) { + + return box.min.equals( this.min ) && box.max.equals( this.max ); + + } + +} + +const _points = [ + /*@__PURE__*/ new Vector3(), + /*@__PURE__*/ new Vector3(), + /*@__PURE__*/ new Vector3(), + /*@__PURE__*/ new Vector3(), + /*@__PURE__*/ new Vector3(), + /*@__PURE__*/ new Vector3(), + /*@__PURE__*/ new Vector3(), + /*@__PURE__*/ new Vector3() +]; + +const _vector$b = /*@__PURE__*/ new Vector3(); + +const _box$3 = /*@__PURE__*/ new Box3(); + +// triangle centered vertices + +const _v0$2 = /*@__PURE__*/ new Vector3(); +const _v1$7 = /*@__PURE__*/ new Vector3(); +const _v2$3 = /*@__PURE__*/ new Vector3(); + +// triangle edge vectors + +const _f0 = /*@__PURE__*/ new Vector3(); +const _f1 = /*@__PURE__*/ new Vector3(); +const _f2 = /*@__PURE__*/ new Vector3(); + +const _center = /*@__PURE__*/ new Vector3(); +const _extents = /*@__PURE__*/ new Vector3(); +const _triangleNormal = /*@__PURE__*/ new Vector3(); +const _testAxis = /*@__PURE__*/ new Vector3(); + +function satForAxes( axes, v0, v1, v2, extents ) { + + for ( let i = 0, j = axes.length - 3; i <= j; i += 3 ) { + + _testAxis.fromArray( axes, i ); + // project the aabb onto the separating axis + const r = extents.x * Math.abs( _testAxis.x ) + extents.y * Math.abs( _testAxis.y ) + extents.z * Math.abs( _testAxis.z ); + // project all 3 vertices of the triangle onto the separating axis + const p0 = v0.dot( _testAxis ); + const p1 = v1.dot( _testAxis ); + const p2 = v2.dot( _testAxis ); + // actual test, basically see if either of the most extreme of the triangle points intersects r + if ( Math.max( - Math.max( p0, p1, p2 ), Math.min( p0, p1, p2 ) ) > r ) { + + // points of the projected triangle are outside the projected half-length of the aabb + // the axis is separating and we can exit + return false; + + } + + } + + return true; + +} + +const _box$2 = /*@__PURE__*/ new Box3(); +const _v1$6 = /*@__PURE__*/ new Vector3(); +const _toFarthestPoint = /*@__PURE__*/ new Vector3(); +const _toPoint = /*@__PURE__*/ new Vector3(); + +class Sphere { + + constructor( center = new Vector3(), radius = - 1 ) { + + this.center = center; + this.radius = radius; + + } + + set( center, radius ) { + + this.center.copy( center ); + this.radius = radius; + + return this; + + } + + setFromPoints( points, optionalCenter ) { + + const center = this.center; + + if ( optionalCenter !== undefined ) { + + center.copy( optionalCenter ); + + } else { + + _box$2.setFromPoints( points ).getCenter( center ); + + } + + let maxRadiusSq = 0; + + for ( let i = 0, il = points.length; i < il; i ++ ) { + + maxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( points[ i ] ) ); + + } + + this.radius = Math.sqrt( maxRadiusSq ); + + return this; + + } + + copy( sphere ) { + + this.center.copy( sphere.center ); + this.radius = sphere.radius; + + return this; + + } + + isEmpty() { + + return ( this.radius < 0 ); + + } + + makeEmpty() { + + this.center.set( 0, 0, 0 ); + this.radius = - 1; + + return this; + + } + + containsPoint( point ) { + + return ( point.distanceToSquared( this.center ) <= ( this.radius * this.radius ) ); + + } + + distanceToPoint( point ) { + + return ( point.distanceTo( this.center ) - this.radius ); + + } + + intersectsSphere( sphere ) { + + const radiusSum = this.radius + sphere.radius; + + return sphere.center.distanceToSquared( this.center ) <= ( radiusSum * radiusSum ); + + } + + intersectsBox( box ) { + + return box.intersectsSphere( this ); + + } + + intersectsPlane( plane ) { + + return Math.abs( plane.distanceToPoint( this.center ) ) <= this.radius; + + } + + clampPoint( point, target ) { + + const deltaLengthSq = this.center.distanceToSquared( point ); + + target.copy( point ); + + if ( deltaLengthSq > ( this.radius * this.radius ) ) { + + target.sub( this.center ).normalize(); + target.multiplyScalar( this.radius ).add( this.center ); + + } + + return target; + + } + + getBoundingBox( target ) { + + if ( this.isEmpty() ) { + + // Empty sphere produces empty bounding box + target.makeEmpty(); + return target; + + } + + target.set( this.center, this.center ); + target.expandByScalar( this.radius ); + + return target; + + } + + applyMatrix4( matrix ) { + + this.center.applyMatrix4( matrix ); + this.radius = this.radius * matrix.getMaxScaleOnAxis(); + + return this; + + } + + translate( offset ) { + + this.center.add( offset ); + + return this; + + } + + expandByPoint( point ) { + + // from https://github.com/juj/MathGeoLib/blob/2940b99b99cfe575dd45103ef20f4019dee15b54/src/Geometry/Sphere.cpp#L649-L671 + + _toPoint.subVectors( point, this.center ); + + const lengthSq = _toPoint.lengthSq(); + + if ( lengthSq > ( this.radius * this.radius ) ) { + + const length = Math.sqrt( lengthSq ); + const missingRadiusHalf = ( length - this.radius ) * 0.5; + + // Nudge this sphere towards the target point. Add half the missing distance to radius, + // and the other half to position. This gives a tighter enclosure, instead of if + // the whole missing distance were just added to radius. + + this.center.add( _toPoint.multiplyScalar( missingRadiusHalf / length ) ); + this.radius += missingRadiusHalf; + + } + + return this; + + } + + union( sphere ) { + + // from https://github.com/juj/MathGeoLib/blob/2940b99b99cfe575dd45103ef20f4019dee15b54/src/Geometry/Sphere.cpp#L759-L769 + + // To enclose another sphere into this sphere, we only need to enclose two points: + // 1) Enclose the farthest point on the other sphere into this sphere. + // 2) Enclose the opposite point of the farthest point into this sphere. + + if ( this.center.equals( sphere.center ) === true ) { + + _toFarthestPoint.set( 0, 0, 1 ).multiplyScalar( sphere.radius ); + + + } else { + + _toFarthestPoint.subVectors( sphere.center, this.center ).normalize().multiplyScalar( sphere.radius ); + + } + + this.expandByPoint( _v1$6.copy( sphere.center ).add( _toFarthestPoint ) ); + this.expandByPoint( _v1$6.copy( sphere.center ).sub( _toFarthestPoint ) ); + + return this; + + } + + equals( sphere ) { + + return sphere.center.equals( this.center ) && ( sphere.radius === this.radius ); + + } + + clone() { + + return new this.constructor().copy( this ); + + } + +} + +const _vector$a = /*@__PURE__*/ new Vector3(); +const _segCenter = /*@__PURE__*/ new Vector3(); +const _segDir = /*@__PURE__*/ new Vector3(); +const _diff = /*@__PURE__*/ new Vector3(); + +const _edge1 = /*@__PURE__*/ new Vector3(); +const _edge2 = /*@__PURE__*/ new Vector3(); +const _normal$1 = /*@__PURE__*/ new Vector3(); + +class Ray { + + constructor( origin = new Vector3(), direction = new Vector3( 0, 0, - 1 ) ) { + + this.origin = origin; + this.direction = direction; + + } + + set( origin, direction ) { + + this.origin.copy( origin ); + this.direction.copy( direction ); + + return this; + + } + + copy( ray ) { + + this.origin.copy( ray.origin ); + this.direction.copy( ray.direction ); + + return this; + + } + + at( t, target ) { + + return target.copy( this.direction ).multiplyScalar( t ).add( this.origin ); + + } + + lookAt( v ) { + + this.direction.copy( v ).sub( this.origin ).normalize(); + + return this; + + } + + recast( t ) { + + this.origin.copy( this.at( t, _vector$a ) ); + + return this; + + } + + closestPointToPoint( point, target ) { + + target.subVectors( point, this.origin ); + + const directionDistance = target.dot( this.direction ); + + if ( directionDistance < 0 ) { + + return target.copy( this.origin ); + + } + + return target.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin ); + + } + + distanceToPoint( point ) { + + return Math.sqrt( this.distanceSqToPoint( point ) ); + + } + + distanceSqToPoint( point ) { + + const directionDistance = _vector$a.subVectors( point, this.origin ).dot( this.direction ); + + // point behind the ray + + if ( directionDistance < 0 ) { + + return this.origin.distanceToSquared( point ); + + } + + _vector$a.copy( this.direction ).multiplyScalar( directionDistance ).add( this.origin ); + + return _vector$a.distanceToSquared( point ); + + } + + distanceSqToSegment( v0, v1, optionalPointOnRay, optionalPointOnSegment ) { + + // from https://github.com/pmjoniak/GeometricTools/blob/master/GTEngine/Include/Mathematics/GteDistRaySegment.h + // It returns the min distance between the ray and the segment + // defined by v0 and v1 + // It can also set two optional targets : + // - The closest point on the ray + // - The closest point on the segment + + _segCenter.copy( v0 ).add( v1 ).multiplyScalar( 0.5 ); + _segDir.copy( v1 ).sub( v0 ).normalize(); + _diff.copy( this.origin ).sub( _segCenter ); + + const segExtent = v0.distanceTo( v1 ) * 0.5; + const a01 = - this.direction.dot( _segDir ); + const b0 = _diff.dot( this.direction ); + const b1 = - _diff.dot( _segDir ); + const c = _diff.lengthSq(); + const det = Math.abs( 1 - a01 * a01 ); + let s0, s1, sqrDist, extDet; + + if ( det > 0 ) { + + // The ray and segment are not parallel. + + s0 = a01 * b1 - b0; + s1 = a01 * b0 - b1; + extDet = segExtent * det; + + if ( s0 >= 0 ) { + + if ( s1 >= - extDet ) { + + if ( s1 <= extDet ) { + + // region 0 + // Minimum at interior points of ray and segment. + + const invDet = 1 / det; + s0 *= invDet; + s1 *= invDet; + sqrDist = s0 * ( s0 + a01 * s1 + 2 * b0 ) + s1 * ( a01 * s0 + s1 + 2 * b1 ) + c; + + } else { + + // region 1 + + s1 = segExtent; + s0 = Math.max( 0, - ( a01 * s1 + b0 ) ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + + } + + } else { + + // region 5 + + s1 = - segExtent; + s0 = Math.max( 0, - ( a01 * s1 + b0 ) ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + + } + + } else { + + if ( s1 <= - extDet ) { + + // region 4 + + s0 = Math.max( 0, - ( - a01 * segExtent + b0 ) ); + s1 = ( s0 > 0 ) ? - segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + + } else if ( s1 <= extDet ) { + + // region 3 + + s0 = 0; + s1 = Math.min( Math.max( - segExtent, - b1 ), segExtent ); + sqrDist = s1 * ( s1 + 2 * b1 ) + c; + + } else { + + // region 2 + + s0 = Math.max( 0, - ( a01 * segExtent + b0 ) ); + s1 = ( s0 > 0 ) ? segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + + } + + } + + } else { + + // Ray and segment are parallel. + + s1 = ( a01 > 0 ) ? - segExtent : segExtent; + s0 = Math.max( 0, - ( a01 * s1 + b0 ) ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + + } + + if ( optionalPointOnRay ) { + + optionalPointOnRay.copy( this.direction ).multiplyScalar( s0 ).add( this.origin ); + + } + + if ( optionalPointOnSegment ) { + + optionalPointOnSegment.copy( _segDir ).multiplyScalar( s1 ).add( _segCenter ); + + } + + return sqrDist; + + } + + intersectSphere( sphere, target ) { + + _vector$a.subVectors( sphere.center, this.origin ); + const tca = _vector$a.dot( this.direction ); + const d2 = _vector$a.dot( _vector$a ) - tca * tca; + const radius2 = sphere.radius * sphere.radius; + + if ( d2 > radius2 ) return null; + + const thc = Math.sqrt( radius2 - d2 ); + + // t0 = first intersect point - entrance on front of sphere + const t0 = tca - thc; + + // t1 = second intersect point - exit point on back of sphere + const t1 = tca + thc; + + // test to see if both t0 and t1 are behind the ray - if so, return null + if ( t0 < 0 && t1 < 0 ) return null; + + // test to see if t0 is behind the ray: + // if it is, the ray is inside the sphere, so return the second exit point scaled by t1, + // in order to always return an intersect point that is in front of the ray. + if ( t0 < 0 ) return this.at( t1, target ); + + // else t0 is in front of the ray, so return the first collision point scaled by t0 + return this.at( t0, target ); + + } + + intersectsSphere( sphere ) { + + return this.distanceSqToPoint( sphere.center ) <= ( sphere.radius * sphere.radius ); + + } + + distanceToPlane( plane ) { + + const denominator = plane.normal.dot( this.direction ); + + if ( denominator === 0 ) { + + // line is coplanar, return origin + if ( plane.distanceToPoint( this.origin ) === 0 ) { + + return 0; + + } + + // Null is preferable to undefined since undefined means.... it is undefined + + return null; + + } + + const t = - ( this.origin.dot( plane.normal ) + plane.constant ) / denominator; + + // Return if the ray never intersects the plane + + return t >= 0 ? t : null; + + } + + intersectPlane( plane, target ) { + + const t = this.distanceToPlane( plane ); + + if ( t === null ) { + + return null; + + } + + return this.at( t, target ); + + } + + intersectsPlane( plane ) { + + // check if the ray lies on the plane first + + const distToPoint = plane.distanceToPoint( this.origin ); + + if ( distToPoint === 0 ) { + + return true; + + } + + const denominator = plane.normal.dot( this.direction ); + + if ( denominator * distToPoint < 0 ) { + + return true; + + } + + // ray origin is behind the plane (and is pointing behind it) + + return false; + + } + + intersectBox( box, target ) { + + let tmin, tmax, tymin, tymax, tzmin, tzmax; + + const invdirx = 1 / this.direction.x, + invdiry = 1 / this.direction.y, + invdirz = 1 / this.direction.z; + + const origin = this.origin; + + if ( invdirx >= 0 ) { + + tmin = ( box.min.x - origin.x ) * invdirx; + tmax = ( box.max.x - origin.x ) * invdirx; + + } else { + + tmin = ( box.max.x - origin.x ) * invdirx; + tmax = ( box.min.x - origin.x ) * invdirx; + + } + + if ( invdiry >= 0 ) { + + tymin = ( box.min.y - origin.y ) * invdiry; + tymax = ( box.max.y - origin.y ) * invdiry; + + } else { + + tymin = ( box.max.y - origin.y ) * invdiry; + tymax = ( box.min.y - origin.y ) * invdiry; + + } + + if ( ( tmin > tymax ) || ( tymin > tmax ) ) return null; + + // These lines also handle the case where tmin or tmax is NaN + // (result of 0 * Infinity). x !== x returns true if x is NaN + + if ( tymin > tmin || tmin !== tmin ) tmin = tymin; + + if ( tymax < tmax || tmax !== tmax ) tmax = tymax; + + if ( invdirz >= 0 ) { + + tzmin = ( box.min.z - origin.z ) * invdirz; + tzmax = ( box.max.z - origin.z ) * invdirz; + + } else { + + tzmin = ( box.max.z - origin.z ) * invdirz; + tzmax = ( box.min.z - origin.z ) * invdirz; + + } + + if ( ( tmin > tzmax ) || ( tzmin > tmax ) ) return null; + + if ( tzmin > tmin || tmin !== tmin ) tmin = tzmin; + + if ( tzmax < tmax || tmax !== tmax ) tmax = tzmax; + + //return point closest to the ray (positive side) + + if ( tmax < 0 ) return null; + + return this.at( tmin >= 0 ? tmin : tmax, target ); + + } + + intersectsBox( box ) { + + return this.intersectBox( box, _vector$a ) !== null; + + } + + intersectTriangle( a, b, c, backfaceCulling, target ) { + + // Compute the offset origin, edges, and normal. + + // from https://github.com/pmjoniak/GeometricTools/blob/master/GTEngine/Include/Mathematics/GteIntrRay3Triangle3.h + + _edge1.subVectors( b, a ); + _edge2.subVectors( c, a ); + _normal$1.crossVectors( _edge1, _edge2 ); + + // Solve Q + t*D = b1*E1 + b2*E2 (Q = kDiff, D = ray direction, + // E1 = kEdge1, E2 = kEdge2, N = Cross(E1,E2)) by + // |Dot(D,N)|*b1 = sign(Dot(D,N))*Dot(D,Cross(Q,E2)) + // |Dot(D,N)|*b2 = sign(Dot(D,N))*Dot(D,Cross(E1,Q)) + // |Dot(D,N)|*t = -sign(Dot(D,N))*Dot(Q,N) + let DdN = this.direction.dot( _normal$1 ); + let sign; + + if ( DdN > 0 ) { + + if ( backfaceCulling ) return null; + sign = 1; + + } else if ( DdN < 0 ) { + + sign = - 1; + DdN = - DdN; + + } else { + + return null; + + } + + _diff.subVectors( this.origin, a ); + const DdQxE2 = sign * this.direction.dot( _edge2.crossVectors( _diff, _edge2 ) ); + + // b1 < 0, no intersection + if ( DdQxE2 < 0 ) { + + return null; + + } + + const DdE1xQ = sign * this.direction.dot( _edge1.cross( _diff ) ); + + // b2 < 0, no intersection + if ( DdE1xQ < 0 ) { + + return null; + + } + + // b1+b2 > 1, no intersection + if ( DdQxE2 + DdE1xQ > DdN ) { + + return null; + + } + + // Line intersects triangle, check if ray does. + const QdN = - sign * _diff.dot( _normal$1 ); + + // t < 0, no intersection + if ( QdN < 0 ) { + + return null; + + } + + // Ray intersects triangle. + return this.at( QdN / DdN, target ); + + } + + applyMatrix4( matrix4 ) { + + this.origin.applyMatrix4( matrix4 ); + this.direction.transformDirection( matrix4 ); + + return this; + + } + + equals( ray ) { + + return ray.origin.equals( this.origin ) && ray.direction.equals( this.direction ); + + } + + clone() { + + return new this.constructor().copy( this ); + + } + +} + +class Matrix4 { + + constructor() { + + Matrix4.prototype.isMatrix4 = true; + + this.elements = [ + + 1, 0, 0, 0, + 0, 1, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 + + ]; + + if ( arguments.length > 0 ) { + + console.error( 'THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.' ); + + } + + } + + set( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) { + + const te = this.elements; + + te[ 0 ] = n11; te[ 4 ] = n12; te[ 8 ] = n13; te[ 12 ] = n14; + te[ 1 ] = n21; te[ 5 ] = n22; te[ 9 ] = n23; te[ 13 ] = n24; + te[ 2 ] = n31; te[ 6 ] = n32; te[ 10 ] = n33; te[ 14 ] = n34; + te[ 3 ] = n41; te[ 7 ] = n42; te[ 11 ] = n43; te[ 15 ] = n44; + + return this; + + } + + identity() { + + this.set( + + 1, 0, 0, 0, + 0, 1, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 + + ); + + return this; + + } + + clone() { + + return new Matrix4().fromArray( this.elements ); + + } + + copy( m ) { + + const te = this.elements; + const me = m.elements; + + te[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ]; te[ 3 ] = me[ 3 ]; + te[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ]; te[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ]; + te[ 8 ] = me[ 8 ]; te[ 9 ] = me[ 9 ]; te[ 10 ] = me[ 10 ]; te[ 11 ] = me[ 11 ]; + te[ 12 ] = me[ 12 ]; te[ 13 ] = me[ 13 ]; te[ 14 ] = me[ 14 ]; te[ 15 ] = me[ 15 ]; + + return this; + + } + + copyPosition( m ) { + + const te = this.elements, me = m.elements; + + te[ 12 ] = me[ 12 ]; + te[ 13 ] = me[ 13 ]; + te[ 14 ] = me[ 14 ]; + + return this; + + } + + setFromMatrix3( m ) { + + const me = m.elements; + + this.set( + + me[ 0 ], me[ 3 ], me[ 6 ], 0, + me[ 1 ], me[ 4 ], me[ 7 ], 0, + me[ 2 ], me[ 5 ], me[ 8 ], 0, + 0, 0, 0, 1 + + ); + + return this; + + } + + extractBasis( xAxis, yAxis, zAxis ) { + + xAxis.setFromMatrixColumn( this, 0 ); + yAxis.setFromMatrixColumn( this, 1 ); + zAxis.setFromMatrixColumn( this, 2 ); + + return this; + + } + + makeBasis( xAxis, yAxis, zAxis ) { + + this.set( + xAxis.x, yAxis.x, zAxis.x, 0, + xAxis.y, yAxis.y, zAxis.y, 0, + xAxis.z, yAxis.z, zAxis.z, 0, + 0, 0, 0, 1 + ); + + return this; + + } + + extractRotation( m ) { + + // this method does not support reflection matrices + + const te = this.elements; + const me = m.elements; + + const scaleX = 1 / _v1$5.setFromMatrixColumn( m, 0 ).length(); + const scaleY = 1 / _v1$5.setFromMatrixColumn( m, 1 ).length(); + const scaleZ = 1 / _v1$5.setFromMatrixColumn( m, 2 ).length(); + + te[ 0 ] = me[ 0 ] * scaleX; + te[ 1 ] = me[ 1 ] * scaleX; + te[ 2 ] = me[ 2 ] * scaleX; + te[ 3 ] = 0; + + te[ 4 ] = me[ 4 ] * scaleY; + te[ 5 ] = me[ 5 ] * scaleY; + te[ 6 ] = me[ 6 ] * scaleY; + te[ 7 ] = 0; + + te[ 8 ] = me[ 8 ] * scaleZ; + te[ 9 ] = me[ 9 ] * scaleZ; + te[ 10 ] = me[ 10 ] * scaleZ; + te[ 11 ] = 0; + + te[ 12 ] = 0; + te[ 13 ] = 0; + te[ 14 ] = 0; + te[ 15 ] = 1; + + return this; + + } + + makeRotationFromEuler( euler ) { + + if ( ! ( euler && euler.isEuler ) ) { + + console.error( 'THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.' ); + + } + + const te = this.elements; + + const x = euler.x, y = euler.y, z = euler.z; + const a = Math.cos( x ), b = Math.sin( x ); + const c = Math.cos( y ), d = Math.sin( y ); + const e = Math.cos( z ), f = Math.sin( z ); + + if ( euler.order === 'XYZ' ) { + + const ae = a * e, af = a * f, be = b * e, bf = b * f; + + te[ 0 ] = c * e; + te[ 4 ] = - c * f; + te[ 8 ] = d; + + te[ 1 ] = af + be * d; + te[ 5 ] = ae - bf * d; + te[ 9 ] = - b * c; + + te[ 2 ] = bf - ae * d; + te[ 6 ] = be + af * d; + te[ 10 ] = a * c; + + } else if ( euler.order === 'YXZ' ) { + + const ce = c * e, cf = c * f, de = d * e, df = d * f; + + te[ 0 ] = ce + df * b; + te[ 4 ] = de * b - cf; + te[ 8 ] = a * d; + + te[ 1 ] = a * f; + te[ 5 ] = a * e; + te[ 9 ] = - b; + + te[ 2 ] = cf * b - de; + te[ 6 ] = df + ce * b; + te[ 10 ] = a * c; + + } else if ( euler.order === 'ZXY' ) { + + const ce = c * e, cf = c * f, de = d * e, df = d * f; + + te[ 0 ] = ce - df * b; + te[ 4 ] = - a * f; + te[ 8 ] = de + cf * b; + + te[ 1 ] = cf + de * b; + te[ 5 ] = a * e; + te[ 9 ] = df - ce * b; + + te[ 2 ] = - a * d; + te[ 6 ] = b; + te[ 10 ] = a * c; + + } else if ( euler.order === 'ZYX' ) { + + const ae = a * e, af = a * f, be = b * e, bf = b * f; + + te[ 0 ] = c * e; + te[ 4 ] = be * d - af; + te[ 8 ] = ae * d + bf; + + te[ 1 ] = c * f; + te[ 5 ] = bf * d + ae; + te[ 9 ] = af * d - be; + + te[ 2 ] = - d; + te[ 6 ] = b * c; + te[ 10 ] = a * c; + + } else if ( euler.order === 'YZX' ) { + + const ac = a * c, ad = a * d, bc = b * c, bd = b * d; + + te[ 0 ] = c * e; + te[ 4 ] = bd - ac * f; + te[ 8 ] = bc * f + ad; + + te[ 1 ] = f; + te[ 5 ] = a * e; + te[ 9 ] = - b * e; + + te[ 2 ] = - d * e; + te[ 6 ] = ad * f + bc; + te[ 10 ] = ac - bd * f; + + } else if ( euler.order === 'XZY' ) { + + const ac = a * c, ad = a * d, bc = b * c, bd = b * d; + + te[ 0 ] = c * e; + te[ 4 ] = - f; + te[ 8 ] = d * e; + + te[ 1 ] = ac * f + bd; + te[ 5 ] = a * e; + te[ 9 ] = ad * f - bc; + + te[ 2 ] = bc * f - ad; + te[ 6 ] = b * e; + te[ 10 ] = bd * f + ac; + + } + + // bottom row + te[ 3 ] = 0; + te[ 7 ] = 0; + te[ 11 ] = 0; + + // last column + te[ 12 ] = 0; + te[ 13 ] = 0; + te[ 14 ] = 0; + te[ 15 ] = 1; + + return this; + + } + + makeRotationFromQuaternion( q ) { + + return this.compose( _zero, q, _one ); + + } + + lookAt( eye, target, up ) { + + const te = this.elements; + + _z.subVectors( eye, target ); + + if ( _z.lengthSq() === 0 ) { + + // eye and target are in the same position + + _z.z = 1; + + } + + _z.normalize(); + _x.crossVectors( up, _z ); + + if ( _x.lengthSq() === 0 ) { + + // up and z are parallel + + if ( Math.abs( up.z ) === 1 ) { + + _z.x += 0.0001; + + } else { + + _z.z += 0.0001; + + } + + _z.normalize(); + _x.crossVectors( up, _z ); + + } + + _x.normalize(); + _y.crossVectors( _z, _x ); + + te[ 0 ] = _x.x; te[ 4 ] = _y.x; te[ 8 ] = _z.x; + te[ 1 ] = _x.y; te[ 5 ] = _y.y; te[ 9 ] = _z.y; + te[ 2 ] = _x.z; te[ 6 ] = _y.z; te[ 10 ] = _z.z; + + return this; + + } + + multiply( m, n ) { + + if ( n !== undefined ) { + + console.warn( 'THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead.' ); + return this.multiplyMatrices( m, n ); + + } + + return this.multiplyMatrices( this, m ); + + } + + premultiply( m ) { + + return this.multiplyMatrices( m, this ); + + } + + multiplyMatrices( a, b ) { + + const ae = a.elements; + const be = b.elements; + const te = this.elements; + + const a11 = ae[ 0 ], a12 = ae[ 4 ], a13 = ae[ 8 ], a14 = ae[ 12 ]; + const a21 = ae[ 1 ], a22 = ae[ 5 ], a23 = ae[ 9 ], a24 = ae[ 13 ]; + const a31 = ae[ 2 ], a32 = ae[ 6 ], a33 = ae[ 10 ], a34 = ae[ 14 ]; + const a41 = ae[ 3 ], a42 = ae[ 7 ], a43 = ae[ 11 ], a44 = ae[ 15 ]; + + const b11 = be[ 0 ], b12 = be[ 4 ], b13 = be[ 8 ], b14 = be[ 12 ]; + const b21 = be[ 1 ], b22 = be[ 5 ], b23 = be[ 9 ], b24 = be[ 13 ]; + const b31 = be[ 2 ], b32 = be[ 6 ], b33 = be[ 10 ], b34 = be[ 14 ]; + const b41 = be[ 3 ], b42 = be[ 7 ], b43 = be[ 11 ], b44 = be[ 15 ]; + + te[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41; + te[ 4 ] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42; + te[ 8 ] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43; + te[ 12 ] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44; + + te[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41; + te[ 5 ] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42; + te[ 9 ] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43; + te[ 13 ] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44; + + te[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41; + te[ 6 ] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42; + te[ 10 ] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43; + te[ 14 ] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44; + + te[ 3 ] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41; + te[ 7 ] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42; + te[ 11 ] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43; + te[ 15 ] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44; + + return this; + + } + + multiplyScalar( s ) { + + const te = this.elements; + + te[ 0 ] *= s; te[ 4 ] *= s; te[ 8 ] *= s; te[ 12 ] *= s; + te[ 1 ] *= s; te[ 5 ] *= s; te[ 9 ] *= s; te[ 13 ] *= s; + te[ 2 ] *= s; te[ 6 ] *= s; te[ 10 ] *= s; te[ 14 ] *= s; + te[ 3 ] *= s; te[ 7 ] *= s; te[ 11 ] *= s; te[ 15 ] *= s; + + return this; + + } + + determinant() { + + const te = this.elements; + + const n11 = te[ 0 ], n12 = te[ 4 ], n13 = te[ 8 ], n14 = te[ 12 ]; + const n21 = te[ 1 ], n22 = te[ 5 ], n23 = te[ 9 ], n24 = te[ 13 ]; + const n31 = te[ 2 ], n32 = te[ 6 ], n33 = te[ 10 ], n34 = te[ 14 ]; + const n41 = te[ 3 ], n42 = te[ 7 ], n43 = te[ 11 ], n44 = te[ 15 ]; + + //TODO: make this more efficient + //( based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm ) + + return ( + n41 * ( + + n14 * n23 * n32 + - n13 * n24 * n32 + - n14 * n22 * n33 + + n12 * n24 * n33 + + n13 * n22 * n34 + - n12 * n23 * n34 + ) + + n42 * ( + + n11 * n23 * n34 + - n11 * n24 * n33 + + n14 * n21 * n33 + - n13 * n21 * n34 + + n13 * n24 * n31 + - n14 * n23 * n31 + ) + + n43 * ( + + n11 * n24 * n32 + - n11 * n22 * n34 + - n14 * n21 * n32 + + n12 * n21 * n34 + + n14 * n22 * n31 + - n12 * n24 * n31 + ) + + n44 * ( + - n13 * n22 * n31 + - n11 * n23 * n32 + + n11 * n22 * n33 + + n13 * n21 * n32 + - n12 * n21 * n33 + + n12 * n23 * n31 + ) + + ); + + } + + transpose() { + + const te = this.elements; + let tmp; + + tmp = te[ 1 ]; te[ 1 ] = te[ 4 ]; te[ 4 ] = tmp; + tmp = te[ 2 ]; te[ 2 ] = te[ 8 ]; te[ 8 ] = tmp; + tmp = te[ 6 ]; te[ 6 ] = te[ 9 ]; te[ 9 ] = tmp; + + tmp = te[ 3 ]; te[ 3 ] = te[ 12 ]; te[ 12 ] = tmp; + tmp = te[ 7 ]; te[ 7 ] = te[ 13 ]; te[ 13 ] = tmp; + tmp = te[ 11 ]; te[ 11 ] = te[ 14 ]; te[ 14 ] = tmp; + + return this; + + } + + setPosition( x, y, z ) { + + const te = this.elements; + + if ( x.isVector3 ) { + + te[ 12 ] = x.x; + te[ 13 ] = x.y; + te[ 14 ] = x.z; + + } else { + + te[ 12 ] = x; + te[ 13 ] = y; + te[ 14 ] = z; + + } + + return this; + + } + + invert() { + + // based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm + const te = this.elements, + + n11 = te[ 0 ], n21 = te[ 1 ], n31 = te[ 2 ], n41 = te[ 3 ], + n12 = te[ 4 ], n22 = te[ 5 ], n32 = te[ 6 ], n42 = te[ 7 ], + n13 = te[ 8 ], n23 = te[ 9 ], n33 = te[ 10 ], n43 = te[ 11 ], + n14 = te[ 12 ], n24 = te[ 13 ], n34 = te[ 14 ], n44 = te[ 15 ], + + t11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44, + t12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44, + t13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44, + t14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34; + + const det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14; + + if ( det === 0 ) return this.set( 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ); + + const detInv = 1 / det; + + te[ 0 ] = t11 * detInv; + te[ 1 ] = ( n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44 ) * detInv; + te[ 2 ] = ( n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44 ) * detInv; + te[ 3 ] = ( n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43 ) * detInv; + + te[ 4 ] = t12 * detInv; + te[ 5 ] = ( n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44 ) * detInv; + te[ 6 ] = ( n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44 ) * detInv; + te[ 7 ] = ( n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43 ) * detInv; + + te[ 8 ] = t13 * detInv; + te[ 9 ] = ( n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44 ) * detInv; + te[ 10 ] = ( n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44 ) * detInv; + te[ 11 ] = ( n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43 ) * detInv; + + te[ 12 ] = t14 * detInv; + te[ 13 ] = ( n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34 ) * detInv; + te[ 14 ] = ( n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34 ) * detInv; + te[ 15 ] = ( n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33 ) * detInv; + + return this; + + } + + scale( v ) { + + const te = this.elements; + const x = v.x, y = v.y, z = v.z; + + te[ 0 ] *= x; te[ 4 ] *= y; te[ 8 ] *= z; + te[ 1 ] *= x; te[ 5 ] *= y; te[ 9 ] *= z; + te[ 2 ] *= x; te[ 6 ] *= y; te[ 10 ] *= z; + te[ 3 ] *= x; te[ 7 ] *= y; te[ 11 ] *= z; + + return this; + + } + + getMaxScaleOnAxis() { + + const te = this.elements; + + const scaleXSq = te[ 0 ] * te[ 0 ] + te[ 1 ] * te[ 1 ] + te[ 2 ] * te[ 2 ]; + const scaleYSq = te[ 4 ] * te[ 4 ] + te[ 5 ] * te[ 5 ] + te[ 6 ] * te[ 6 ]; + const scaleZSq = te[ 8 ] * te[ 8 ] + te[ 9 ] * te[ 9 ] + te[ 10 ] * te[ 10 ]; + + return Math.sqrt( Math.max( scaleXSq, scaleYSq, scaleZSq ) ); + + } + + makeTranslation( x, y, z ) { + + this.set( + + 1, 0, 0, x, + 0, 1, 0, y, + 0, 0, 1, z, + 0, 0, 0, 1 + + ); + + return this; + + } + + makeRotationX( theta ) { + + const c = Math.cos( theta ), s = Math.sin( theta ); + + this.set( + + 1, 0, 0, 0, + 0, c, - s, 0, + 0, s, c, 0, + 0, 0, 0, 1 + + ); + + return this; + + } + + makeRotationY( theta ) { + + const c = Math.cos( theta ), s = Math.sin( theta ); + + this.set( + + c, 0, s, 0, + 0, 1, 0, 0, + - s, 0, c, 0, + 0, 0, 0, 1 + + ); + + return this; + + } + + makeRotationZ( theta ) { + + const c = Math.cos( theta ), s = Math.sin( theta ); + + this.set( + + c, - s, 0, 0, + s, c, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 + + ); + + return this; + + } + + makeRotationAxis( axis, angle ) { + + // Based on http://www.gamedev.net/reference/articles/article1199.asp + + const c = Math.cos( angle ); + const s = Math.sin( angle ); + const t = 1 - c; + const x = axis.x, y = axis.y, z = axis.z; + const tx = t * x, ty = t * y; + + this.set( + + tx * x + c, tx * y - s * z, tx * z + s * y, 0, + tx * y + s * z, ty * y + c, ty * z - s * x, 0, + tx * z - s * y, ty * z + s * x, t * z * z + c, 0, + 0, 0, 0, 1 + + ); + + return this; + + } + + makeScale( x, y, z ) { + + this.set( + + x, 0, 0, 0, + 0, y, 0, 0, + 0, 0, z, 0, + 0, 0, 0, 1 + + ); + + return this; + + } + + makeShear( xy, xz, yx, yz, zx, zy ) { + + this.set( + + 1, yx, zx, 0, + xy, 1, zy, 0, + xz, yz, 1, 0, + 0, 0, 0, 1 + + ); + + return this; + + } + + compose( position, quaternion, scale ) { + + const te = this.elements; + + const x = quaternion._x, y = quaternion._y, z = quaternion._z, w = quaternion._w; + const x2 = x + x, y2 = y + y, z2 = z + z; + const xx = x * x2, xy = x * y2, xz = x * z2; + const yy = y * y2, yz = y * z2, zz = z * z2; + const wx = w * x2, wy = w * y2, wz = w * z2; + + const sx = scale.x, sy = scale.y, sz = scale.z; + + te[ 0 ] = ( 1 - ( yy + zz ) ) * sx; + te[ 1 ] = ( xy + wz ) * sx; + te[ 2 ] = ( xz - wy ) * sx; + te[ 3 ] = 0; + + te[ 4 ] = ( xy - wz ) * sy; + te[ 5 ] = ( 1 - ( xx + zz ) ) * sy; + te[ 6 ] = ( yz + wx ) * sy; + te[ 7 ] = 0; + + te[ 8 ] = ( xz + wy ) * sz; + te[ 9 ] = ( yz - wx ) * sz; + te[ 10 ] = ( 1 - ( xx + yy ) ) * sz; + te[ 11 ] = 0; + + te[ 12 ] = position.x; + te[ 13 ] = position.y; + te[ 14 ] = position.z; + te[ 15 ] = 1; + + return this; + + } + + decompose( position, quaternion, scale ) { + + const te = this.elements; + + let sx = _v1$5.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length(); + const sy = _v1$5.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length(); + const sz = _v1$5.set( te[ 8 ], te[ 9 ], te[ 10 ] ).length(); + + // if determine is negative, we need to invert one scale + const det = this.determinant(); + if ( det < 0 ) sx = - sx; + + position.x = te[ 12 ]; + position.y = te[ 13 ]; + position.z = te[ 14 ]; + + // scale the rotation part + _m1$2.copy( this ); + + const invSX = 1 / sx; + const invSY = 1 / sy; + const invSZ = 1 / sz; + + _m1$2.elements[ 0 ] *= invSX; + _m1$2.elements[ 1 ] *= invSX; + _m1$2.elements[ 2 ] *= invSX; + + _m1$2.elements[ 4 ] *= invSY; + _m1$2.elements[ 5 ] *= invSY; + _m1$2.elements[ 6 ] *= invSY; + + _m1$2.elements[ 8 ] *= invSZ; + _m1$2.elements[ 9 ] *= invSZ; + _m1$2.elements[ 10 ] *= invSZ; + + quaternion.setFromRotationMatrix( _m1$2 ); + + scale.x = sx; + scale.y = sy; + scale.z = sz; + + return this; + + } + + makePerspective( left, right, top, bottom, near, far ) { + + if ( far === undefined ) { + + console.warn( 'THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.' ); + + } + + const te = this.elements; + const x = 2 * near / ( right - left ); + const y = 2 * near / ( top - bottom ); + + const a = ( right + left ) / ( right - left ); + const b = ( top + bottom ) / ( top - bottom ); + const c = - ( far + near ) / ( far - near ); + const d = - 2 * far * near / ( far - near ); + + te[ 0 ] = x; te[ 4 ] = 0; te[ 8 ] = a; te[ 12 ] = 0; + te[ 1 ] = 0; te[ 5 ] = y; te[ 9 ] = b; te[ 13 ] = 0; + te[ 2 ] = 0; te[ 6 ] = 0; te[ 10 ] = c; te[ 14 ] = d; + te[ 3 ] = 0; te[ 7 ] = 0; te[ 11 ] = - 1; te[ 15 ] = 0; + + return this; + + } + + makeOrthographic( left, right, top, bottom, near, far ) { + + const te = this.elements; + const w = 1.0 / ( right - left ); + const h = 1.0 / ( top - bottom ); + const p = 1.0 / ( far - near ); + + const x = ( right + left ) * w; + const y = ( top + bottom ) * h; + const z = ( far + near ) * p; + + te[ 0 ] = 2 * w; te[ 4 ] = 0; te[ 8 ] = 0; te[ 12 ] = - x; + te[ 1 ] = 0; te[ 5 ] = 2 * h; te[ 9 ] = 0; te[ 13 ] = - y; + te[ 2 ] = 0; te[ 6 ] = 0; te[ 10 ] = - 2 * p; te[ 14 ] = - z; + te[ 3 ] = 0; te[ 7 ] = 0; te[ 11 ] = 0; te[ 15 ] = 1; + + return this; + + } + + equals( matrix ) { + + const te = this.elements; + const me = matrix.elements; + + for ( let i = 0; i < 16; i ++ ) { + + if ( te[ i ] !== me[ i ] ) return false; + + } + + return true; + + } + + fromArray( array, offset = 0 ) { + + for ( let i = 0; i < 16; i ++ ) { + + this.elements[ i ] = array[ i + offset ]; + + } + + return this; + + } + + toArray( array = [], offset = 0 ) { + + const te = this.elements; + + array[ offset ] = te[ 0 ]; + array[ offset + 1 ] = te[ 1 ]; + array[ offset + 2 ] = te[ 2 ]; + array[ offset + 3 ] = te[ 3 ]; + + array[ offset + 4 ] = te[ 4 ]; + array[ offset + 5 ] = te[ 5 ]; + array[ offset + 6 ] = te[ 6 ]; + array[ offset + 7 ] = te[ 7 ]; + + array[ offset + 8 ] = te[ 8 ]; + array[ offset + 9 ] = te[ 9 ]; + array[ offset + 10 ] = te[ 10 ]; + array[ offset + 11 ] = te[ 11 ]; + + array[ offset + 12 ] = te[ 12 ]; + array[ offset + 13 ] = te[ 13 ]; + array[ offset + 14 ] = te[ 14 ]; + array[ offset + 15 ] = te[ 15 ]; + + return array; + + } + +} + +const _v1$5 = /*@__PURE__*/ new Vector3(); +const _m1$2 = /*@__PURE__*/ new Matrix4(); +const _zero = /*@__PURE__*/ new Vector3( 0, 0, 0 ); +const _one = /*@__PURE__*/ new Vector3( 1, 1, 1 ); +const _x = /*@__PURE__*/ new Vector3(); +const _y = /*@__PURE__*/ new Vector3(); +const _z = /*@__PURE__*/ new Vector3(); + +const _matrix$1 = /*@__PURE__*/ new Matrix4(); +const _quaternion$3 = /*@__PURE__*/ new Quaternion(); + +class Euler { + + constructor( x = 0, y = 0, z = 0, order = Euler.DefaultOrder ) { + + this.isEuler = true; + + this._x = x; + this._y = y; + this._z = z; + this._order = order; + + } + + get x() { + + return this._x; + + } + + set x( value ) { + + this._x = value; + this._onChangeCallback(); + + } + + get y() { + + return this._y; + + } + + set y( value ) { + + this._y = value; + this._onChangeCallback(); + + } + + get z() { + + return this._z; + + } + + set z( value ) { + + this._z = value; + this._onChangeCallback(); + + } + + get order() { + + return this._order; + + } + + set order( value ) { + + this._order = value; + this._onChangeCallback(); + + } + + set( x, y, z, order = this._order ) { + + this._x = x; + this._y = y; + this._z = z; + this._order = order; + + this._onChangeCallback(); + + return this; + + } + + clone() { + + return new this.constructor( this._x, this._y, this._z, this._order ); + + } + + copy( euler ) { + + this._x = euler._x; + this._y = euler._y; + this._z = euler._z; + this._order = euler._order; + + this._onChangeCallback(); + + return this; + + } + + setFromRotationMatrix( m, order = this._order, update = true ) { + + // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) + + const te = m.elements; + const m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ]; + const m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ]; + const m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ]; + + switch ( order ) { + + case 'XYZ': + + this._y = Math.asin( clamp( m13, - 1, 1 ) ); + + if ( Math.abs( m13 ) < 0.9999999 ) { + + this._x = Math.atan2( - m23, m33 ); + this._z = Math.atan2( - m12, m11 ); + + } else { + + this._x = Math.atan2( m32, m22 ); + this._z = 0; + + } + + break; + + case 'YXZ': + + this._x = Math.asin( - clamp( m23, - 1, 1 ) ); + + if ( Math.abs( m23 ) < 0.9999999 ) { + + this._y = Math.atan2( m13, m33 ); + this._z = Math.atan2( m21, m22 ); + + } else { + + this._y = Math.atan2( - m31, m11 ); + this._z = 0; + + } + + break; + + case 'ZXY': + + this._x = Math.asin( clamp( m32, - 1, 1 ) ); + + if ( Math.abs( m32 ) < 0.9999999 ) { + + this._y = Math.atan2( - m31, m33 ); + this._z = Math.atan2( - m12, m22 ); + + } else { + + this._y = 0; + this._z = Math.atan2( m21, m11 ); + + } + + break; + + case 'ZYX': + + this._y = Math.asin( - clamp( m31, - 1, 1 ) ); + + if ( Math.abs( m31 ) < 0.9999999 ) { + + this._x = Math.atan2( m32, m33 ); + this._z = Math.atan2( m21, m11 ); + + } else { + + this._x = 0; + this._z = Math.atan2( - m12, m22 ); + + } + + break; + + case 'YZX': + + this._z = Math.asin( clamp( m21, - 1, 1 ) ); + + if ( Math.abs( m21 ) < 0.9999999 ) { + + this._x = Math.atan2( - m23, m22 ); + this._y = Math.atan2( - m31, m11 ); + + } else { + + this._x = 0; + this._y = Math.atan2( m13, m33 ); + + } + + break; + + case 'XZY': + + this._z = Math.asin( - clamp( m12, - 1, 1 ) ); + + if ( Math.abs( m12 ) < 0.9999999 ) { + + this._x = Math.atan2( m32, m22 ); + this._y = Math.atan2( m13, m11 ); + + } else { + + this._x = Math.atan2( - m23, m33 ); + this._y = 0; + + } + + break; + + default: + + console.warn( 'THREE.Euler: .setFromRotationMatrix() encountered an unknown order: ' + order ); + + } + + this._order = order; + + if ( update === true ) this._onChangeCallback(); + + return this; + + } + + setFromQuaternion( q, order, update ) { + + _matrix$1.makeRotationFromQuaternion( q ); + + return this.setFromRotationMatrix( _matrix$1, order, update ); + + } + + setFromVector3( v, order = this._order ) { + + return this.set( v.x, v.y, v.z, order ); + + } + + reorder( newOrder ) { + + // WARNING: this discards revolution information -bhouston + + _quaternion$3.setFromEuler( this ); + + return this.setFromQuaternion( _quaternion$3, newOrder ); + + } + + equals( euler ) { + + return ( euler._x === this._x ) && ( euler._y === this._y ) && ( euler._z === this._z ) && ( euler._order === this._order ); + + } + + fromArray( array ) { + + this._x = array[ 0 ]; + this._y = array[ 1 ]; + this._z = array[ 2 ]; + if ( array[ 3 ] !== undefined ) this._order = array[ 3 ]; + + this._onChangeCallback(); + + return this; + + } + + toArray( array = [], offset = 0 ) { + + array[ offset ] = this._x; + array[ offset + 1 ] = this._y; + array[ offset + 2 ] = this._z; + array[ offset + 3 ] = this._order; + + return array; + + } + + _onChange( callback ) { + + this._onChangeCallback = callback; + + return this; + + } + + _onChangeCallback() {} + + *[ Symbol.iterator ]() { + + yield this._x; + yield this._y; + yield this._z; + yield this._order; + + } + + // @deprecated since r138, 02cf0df1cb4575d5842fef9c85bb5a89fe020d53 + + toVector3() { + + console.error( 'THREE.Euler: .toVector3() has been removed. Use Vector3.setFromEuler() instead' ); + + } + +} + +Euler.DefaultOrder = 'XYZ'; +Euler.RotationOrders = [ 'XYZ', 'YZX', 'ZXY', 'XZY', 'YXZ', 'ZYX' ]; + +class Layers { + + constructor() { + + this.mask = 1 | 0; + + } + + set( channel ) { + + this.mask = ( 1 << channel | 0 ) >>> 0; + + } + + enable( channel ) { + + this.mask |= 1 << channel | 0; + + } + + enableAll() { + + this.mask = 0xffffffff | 0; + + } + + toggle( channel ) { + + this.mask ^= 1 << channel | 0; + + } + + disable( channel ) { + + this.mask &= ~ ( 1 << channel | 0 ); + + } + + disableAll() { + + this.mask = 0; + + } + + test( layers ) { + + return ( this.mask & layers.mask ) !== 0; + + } + + isEnabled( channel ) { + + return ( this.mask & ( 1 << channel | 0 ) ) !== 0; + + } + +} + +let _object3DId = 0; + +const _v1$4 = /*@__PURE__*/ new Vector3(); +const _q1 = /*@__PURE__*/ new Quaternion(); +const _m1$1 = /*@__PURE__*/ new Matrix4(); +const _target = /*@__PURE__*/ new Vector3(); + +const _position$3 = /*@__PURE__*/ new Vector3(); +const _scale$2 = /*@__PURE__*/ new Vector3(); +const _quaternion$2 = /*@__PURE__*/ new Quaternion(); + +const _xAxis = /*@__PURE__*/ new Vector3( 1, 0, 0 ); +const _yAxis = /*@__PURE__*/ new Vector3( 0, 1, 0 ); +const _zAxis = /*@__PURE__*/ new Vector3( 0, 0, 1 ); + +const _addedEvent = { type: 'added' }; +const _removedEvent = { type: 'removed' }; + +class Object3D extends EventDispatcher { + + constructor() { + + super(); + + this.isObject3D = true; + + Object.defineProperty( this, 'id', { value: _object3DId ++ } ); + + this.uuid = generateUUID(); + + this.name = ''; + this.type = 'Object3D'; + + this.parent = null; + this.children = []; + + this.up = Object3D.DefaultUp.clone(); + + const position = new Vector3(); + const rotation = new Euler(); + const quaternion = new Quaternion(); + const scale = new Vector3( 1, 1, 1 ); + + function onRotationChange() { + + quaternion.setFromEuler( rotation, false ); + + } + + function onQuaternionChange() { + + rotation.setFromQuaternion( quaternion, undefined, false ); + + } + + rotation._onChange( onRotationChange ); + quaternion._onChange( onQuaternionChange ); + + Object.defineProperties( this, { + position: { + configurable: true, + enumerable: true, + value: position + }, + rotation: { + configurable: true, + enumerable: true, + value: rotation + }, + quaternion: { + configurable: true, + enumerable: true, + value: quaternion + }, + scale: { + configurable: true, + enumerable: true, + value: scale + }, + modelViewMatrix: { + value: new Matrix4() + }, + normalMatrix: { + value: new Matrix3() + } + } ); + + this.matrix = new Matrix4(); + this.matrixWorld = new Matrix4(); + + this.matrixAutoUpdate = Object3D.DefaultMatrixAutoUpdate; + this.matrixWorldNeedsUpdate = false; + + this.layers = new Layers(); + this.visible = true; + + this.castShadow = false; + this.receiveShadow = false; + + this.frustumCulled = true; + this.renderOrder = 0; + + this.animations = []; + + this.userData = {}; + + } + + onBeforeRender( /* renderer, scene, camera, geometry, material, group */ ) {} + + onAfterRender( /* renderer, scene, camera, geometry, material, group */ ) {} + + applyMatrix4( matrix ) { + + if ( this.matrixAutoUpdate ) this.updateMatrix(); + + this.matrix.premultiply( matrix ); + + this.matrix.decompose( this.position, this.quaternion, this.scale ); + + } + + applyQuaternion( q ) { + + this.quaternion.premultiply( q ); + + return this; + + } + + setRotationFromAxisAngle( axis, angle ) { + + // assumes axis is normalized + + this.quaternion.setFromAxisAngle( axis, angle ); + + } + + setRotationFromEuler( euler ) { + + this.quaternion.setFromEuler( euler, true ); + + } + + setRotationFromMatrix( m ) { + + // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled) + + this.quaternion.setFromRotationMatrix( m ); + + } + + setRotationFromQuaternion( q ) { + + // assumes q is normalized + + this.quaternion.copy( q ); + + } + + rotateOnAxis( axis, angle ) { + + // rotate object on axis in object space + // axis is assumed to be normalized + + _q1.setFromAxisAngle( axis, angle ); + + this.quaternion.multiply( _q1 ); + + return this; + + } + + rotateOnWorldAxis( axis, angle ) { + + // rotate object on axis in world space + // axis is assumed to be normalized + // method assumes no rotated parent + + _q1.setFromAxisAngle( axis, angle ); + + this.quaternion.premultiply( _q1 ); + + return this; + + } + + rotateX( angle ) { + + return this.rotateOnAxis( _xAxis, angle ); + + } + + rotateY( angle ) { + + return this.rotateOnAxis( _yAxis, angle ); + + } + + rotateZ( angle ) { + + return this.rotateOnAxis( _zAxis, angle ); + + } + + translateOnAxis( axis, distance ) { + + // translate object by distance along axis in object space + // axis is assumed to be normalized + + _v1$4.copy( axis ).applyQuaternion( this.quaternion ); + + this.position.add( _v1$4.multiplyScalar( distance ) ); + + return this; + + } + + translateX( distance ) { + + return this.translateOnAxis( _xAxis, distance ); + + } + + translateY( distance ) { + + return this.translateOnAxis( _yAxis, distance ); + + } + + translateZ( distance ) { + + return this.translateOnAxis( _zAxis, distance ); + + } + + localToWorld( vector ) { + + return vector.applyMatrix4( this.matrixWorld ); + + } + + worldToLocal( vector ) { + + return vector.applyMatrix4( _m1$1.copy( this.matrixWorld ).invert() ); + + } + + lookAt( x, y, z ) { + + // This method does not support objects having non-uniformly-scaled parent(s) + + if ( x.isVector3 ) { + + _target.copy( x ); + + } else { + + _target.set( x, y, z ); + + } + + const parent = this.parent; + + this.updateWorldMatrix( true, false ); + + _position$3.setFromMatrixPosition( this.matrixWorld ); + + if ( this.isCamera || this.isLight ) { + + _m1$1.lookAt( _position$3, _target, this.up ); + + } else { + + _m1$1.lookAt( _target, _position$3, this.up ); + + } + + this.quaternion.setFromRotationMatrix( _m1$1 ); + + if ( parent ) { + + _m1$1.extractRotation( parent.matrixWorld ); + _q1.setFromRotationMatrix( _m1$1 ); + this.quaternion.premultiply( _q1.invert() ); + + } + + } + + add( object ) { + + if ( arguments.length > 1 ) { + + for ( let i = 0; i < arguments.length; i ++ ) { + + this.add( arguments[ i ] ); + + } + + return this; + + } + + if ( object === this ) { + + console.error( 'THREE.Object3D.add: object can\'t be added as a child of itself.', object ); + return this; + + } + + if ( object && object.isObject3D ) { + + if ( object.parent !== null ) { + + object.parent.remove( object ); + + } + + object.parent = this; + this.children.push( object ); + + object.dispatchEvent( _addedEvent ); + + } else { + + console.error( 'THREE.Object3D.add: object not an instance of THREE.Object3D.', object ); + + } + + return this; + + } + + remove( object ) { + + if ( arguments.length > 1 ) { + + for ( let i = 0; i < arguments.length; i ++ ) { + + this.remove( arguments[ i ] ); + + } + + return this; + + } + + const index = this.children.indexOf( object ); + + if ( index !== - 1 ) { + + object.parent = null; + this.children.splice( index, 1 ); + + object.dispatchEvent( _removedEvent ); + + } + + return this; + + } + + removeFromParent() { + + const parent = this.parent; + + if ( parent !== null ) { + + parent.remove( this ); + + } + + return this; + + } + + clear() { + + for ( let i = 0; i < this.children.length; i ++ ) { + + const object = this.children[ i ]; + + object.parent = null; + + object.dispatchEvent( _removedEvent ); + + } + + this.children.length = 0; + + return this; + + + } + + attach( object ) { + + // adds object as a child of this, while maintaining the object's world transform + + // Note: This method does not support scene graphs having non-uniformly-scaled nodes(s) + + this.updateWorldMatrix( true, false ); + + _m1$1.copy( this.matrixWorld ).invert(); + + if ( object.parent !== null ) { + + object.parent.updateWorldMatrix( true, false ); + + _m1$1.multiply( object.parent.matrixWorld ); + + } + + object.applyMatrix4( _m1$1 ); + + this.add( object ); + + object.updateWorldMatrix( false, true ); + + return this; + + } + + getObjectById( id ) { + + return this.getObjectByProperty( 'id', id ); + + } + + getObjectByName( name ) { + + return this.getObjectByProperty( 'name', name ); + + } + + getObjectByProperty( name, value ) { + + if ( this[ name ] === value ) return this; + + for ( let i = 0, l = this.children.length; i < l; i ++ ) { + + const child = this.children[ i ]; + const object = child.getObjectByProperty( name, value ); + + if ( object !== undefined ) { + + return object; + + } + + } + + return undefined; + + } + + getWorldPosition( target ) { + + this.updateWorldMatrix( true, false ); + + return target.setFromMatrixPosition( this.matrixWorld ); + + } + + getWorldQuaternion( target ) { + + this.updateWorldMatrix( true, false ); + + this.matrixWorld.decompose( _position$3, target, _scale$2 ); + + return target; + + } + + getWorldScale( target ) { + + this.updateWorldMatrix( true, false ); + + this.matrixWorld.decompose( _position$3, _quaternion$2, target ); + + return target; + + } + + getWorldDirection( target ) { + + this.updateWorldMatrix( true, false ); + + const e = this.matrixWorld.elements; + + return target.set( e[ 8 ], e[ 9 ], e[ 10 ] ).normalize(); + + } + + raycast( /* raycaster, intersects */ ) {} + + traverse( callback ) { + + callback( this ); + + const children = this.children; + + for ( let i = 0, l = children.length; i < l; i ++ ) { + + children[ i ].traverse( callback ); + + } + + } + + traverseVisible( callback ) { + + if ( this.visible === false ) return; + + callback( this ); + + const children = this.children; + + for ( let i = 0, l = children.length; i < l; i ++ ) { + + children[ i ].traverseVisible( callback ); + + } + + } + + traverseAncestors( callback ) { + + const parent = this.parent; + + if ( parent !== null ) { + + callback( parent ); + + parent.traverseAncestors( callback ); + + } + + } + + updateMatrix() { + + this.matrix.compose( this.position, this.quaternion, this.scale ); + + this.matrixWorldNeedsUpdate = true; + + } + + updateMatrixWorld( force ) { + + if ( this.matrixAutoUpdate ) this.updateMatrix(); + + if ( this.matrixWorldNeedsUpdate || force ) { + + if ( this.parent === null ) { + + this.matrixWorld.copy( this.matrix ); + + } else { + + this.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix ); + + } + + this.matrixWorldNeedsUpdate = false; + + force = true; + + } + + // update children + + const children = this.children; + + for ( let i = 0, l = children.length; i < l; i ++ ) { + + children[ i ].updateMatrixWorld( force ); + + } + + } + + updateWorldMatrix( updateParents, updateChildren ) { + + const parent = this.parent; + + if ( updateParents === true && parent !== null ) { + + parent.updateWorldMatrix( true, false ); + + } + + if ( this.matrixAutoUpdate ) this.updateMatrix(); + + if ( this.parent === null ) { + + this.matrixWorld.copy( this.matrix ); + + } else { + + this.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix ); + + } + + // update children + + if ( updateChildren === true ) { + + const children = this.children; + + for ( let i = 0, l = children.length; i < l; i ++ ) { + + children[ i ].updateWorldMatrix( false, true ); + + } + + } + + } + + toJSON( meta ) { + + // meta is a string when called from JSON.stringify + const isRootObject = ( meta === undefined || typeof meta === 'string' ); + + const output = {}; + + // meta is a hash used to collect geometries, materials. + // not providing it implies that this is the root object + // being serialized. + if ( isRootObject ) { + + // initialize meta obj + meta = { + geometries: {}, + materials: {}, + textures: {}, + images: {}, + shapes: {}, + skeletons: {}, + animations: {}, + nodes: {} + }; + + output.metadata = { + version: 4.5, + type: 'Object', + generator: 'Object3D.toJSON' + }; + + } + + // standard Object3D serialization + + const object = {}; + + object.uuid = this.uuid; + object.type = this.type; + + if ( this.name !== '' ) object.name = this.name; + if ( this.castShadow === true ) object.castShadow = true; + if ( this.receiveShadow === true ) object.receiveShadow = true; + if ( this.visible === false ) object.visible = false; + if ( this.frustumCulled === false ) object.frustumCulled = false; + if ( this.renderOrder !== 0 ) object.renderOrder = this.renderOrder; + if ( JSON.stringify( this.userData ) !== '{}' ) object.userData = this.userData; + + object.layers = this.layers.mask; + object.matrix = this.matrix.toArray(); + + if ( this.matrixAutoUpdate === false ) object.matrixAutoUpdate = false; + + // object specific properties + + if ( this.isInstancedMesh ) { + + object.type = 'InstancedMesh'; + object.count = this.count; + object.instanceMatrix = this.instanceMatrix.toJSON(); + if ( this.instanceColor !== null ) object.instanceColor = this.instanceColor.toJSON(); + + } + + // + + function serialize( library, element ) { + + if ( library[ element.uuid ] === undefined ) { + + library[ element.uuid ] = element.toJSON( meta ); + + } + + return element.uuid; + + } + + if ( this.isScene ) { + + if ( this.background ) { + + if ( this.background.isColor ) { + + object.background = this.background.toJSON(); + + } else if ( this.background.isTexture ) { + + object.background = this.background.toJSON( meta ).uuid; + + } + + } + + if ( this.environment && this.environment.isTexture ) { + + object.environment = this.environment.toJSON( meta ).uuid; + + } + + } else if ( this.isMesh || this.isLine || this.isPoints ) { + + object.geometry = serialize( meta.geometries, this.geometry ); + + const parameters = this.geometry.parameters; + + if ( parameters !== undefined && parameters.shapes !== undefined ) { + + const shapes = parameters.shapes; + + if ( Array.isArray( shapes ) ) { + + for ( let i = 0, l = shapes.length; i < l; i ++ ) { + + const shape = shapes[ i ]; + + serialize( meta.shapes, shape ); + + } + + } else { + + serialize( meta.shapes, shapes ); + + } + + } + + } + + if ( this.isSkinnedMesh ) { + + object.bindMode = this.bindMode; + object.bindMatrix = this.bindMatrix.toArray(); + + if ( this.skeleton !== undefined ) { + + serialize( meta.skeletons, this.skeleton ); + + object.skeleton = this.skeleton.uuid; + + } + + } + + if ( this.material !== undefined ) { + + if ( Array.isArray( this.material ) ) { + + const uuids = []; + + for ( let i = 0, l = this.material.length; i < l; i ++ ) { + + uuids.push( serialize( meta.materials, this.material[ i ] ) ); + + } + + object.material = uuids; + + } else { + + object.material = serialize( meta.materials, this.material ); + + } + + } + + // + + if ( this.children.length > 0 ) { + + object.children = []; + + for ( let i = 0; i < this.children.length; i ++ ) { + + object.children.push( this.children[ i ].toJSON( meta ).object ); + + } + + } + + // + + if ( this.animations.length > 0 ) { + + object.animations = []; + + for ( let i = 0; i < this.animations.length; i ++ ) { + + const animation = this.animations[ i ]; + + object.animations.push( serialize( meta.animations, animation ) ); + + } + + } + + if ( isRootObject ) { + + const geometries = extractFromCache( meta.geometries ); + const materials = extractFromCache( meta.materials ); + const textures = extractFromCache( meta.textures ); + const images = extractFromCache( meta.images ); + const shapes = extractFromCache( meta.shapes ); + const skeletons = extractFromCache( meta.skeletons ); + const animations = extractFromCache( meta.animations ); + const nodes = extractFromCache( meta.nodes ); + + if ( geometries.length > 0 ) output.geometries = geometries; + if ( materials.length > 0 ) output.materials = materials; + if ( textures.length > 0 ) output.textures = textures; + if ( images.length > 0 ) output.images = images; + if ( shapes.length > 0 ) output.shapes = shapes; + if ( skeletons.length > 0 ) output.skeletons = skeletons; + if ( animations.length > 0 ) output.animations = animations; + if ( nodes.length > 0 ) output.nodes = nodes; + + } + + output.object = object; + + return output; + + // extract data from the cache hash + // remove metadata on each item + // and return as array + function extractFromCache( cache ) { + + const values = []; + for ( const key in cache ) { + + const data = cache[ key ]; + delete data.metadata; + values.push( data ); + + } + + return values; + + } + + } + + clone( recursive ) { + + return new this.constructor().copy( this, recursive ); + + } + + copy( source, recursive = true ) { + + this.name = source.name; + + this.up.copy( source.up ); + + this.position.copy( source.position ); + this.rotation.order = source.rotation.order; + this.quaternion.copy( source.quaternion ); + this.scale.copy( source.scale ); + + this.matrix.copy( source.matrix ); + this.matrixWorld.copy( source.matrixWorld ); + + this.matrixAutoUpdate = source.matrixAutoUpdate; + this.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate; + + this.layers.mask = source.layers.mask; + this.visible = source.visible; + + this.castShadow = source.castShadow; + this.receiveShadow = source.receiveShadow; + + this.frustumCulled = source.frustumCulled; + this.renderOrder = source.renderOrder; + + this.userData = JSON.parse( JSON.stringify( source.userData ) ); + + if ( recursive === true ) { + + for ( let i = 0; i < source.children.length; i ++ ) { + + const child = source.children[ i ]; + this.add( child.clone() ); + + } + + } + + return this; + + } + +} + +Object3D.DefaultUp = /*@__PURE__*/ new Vector3( 0, 1, 0 ); +Object3D.DefaultMatrixAutoUpdate = true; + +const _v0$1 = /*@__PURE__*/ new Vector3(); +const _v1$3 = /*@__PURE__*/ new Vector3(); +const _v2$2 = /*@__PURE__*/ new Vector3(); +const _v3$1 = /*@__PURE__*/ new Vector3(); + +const _vab = /*@__PURE__*/ new Vector3(); +const _vac = /*@__PURE__*/ new Vector3(); +const _vbc = /*@__PURE__*/ new Vector3(); +const _vap = /*@__PURE__*/ new Vector3(); +const _vbp = /*@__PURE__*/ new Vector3(); +const _vcp = /*@__PURE__*/ new Vector3(); + +class Triangle { + + constructor( a = new Vector3(), b = new Vector3(), c = new Vector3() ) { + + this.a = a; + this.b = b; + this.c = c; + + } + + static getNormal( a, b, c, target ) { + + target.subVectors( c, b ); + _v0$1.subVectors( a, b ); + target.cross( _v0$1 ); + + const targetLengthSq = target.lengthSq(); + if ( targetLengthSq > 0 ) { + + return target.multiplyScalar( 1 / Math.sqrt( targetLengthSq ) ); + + } + + return target.set( 0, 0, 0 ); + + } + + // static/instance method to calculate barycentric coordinates + // based on: http://www.blackpawn.com/texts/pointinpoly/default.html + static getBarycoord( point, a, b, c, target ) { + + _v0$1.subVectors( c, a ); + _v1$3.subVectors( b, a ); + _v2$2.subVectors( point, a ); + + const dot00 = _v0$1.dot( _v0$1 ); + const dot01 = _v0$1.dot( _v1$3 ); + const dot02 = _v0$1.dot( _v2$2 ); + const dot11 = _v1$3.dot( _v1$3 ); + const dot12 = _v1$3.dot( _v2$2 ); + + const denom = ( dot00 * dot11 - dot01 * dot01 ); + + // collinear or singular triangle + if ( denom === 0 ) { + + // arbitrary location outside of triangle? + // not sure if this is the best idea, maybe should be returning undefined + return target.set( - 2, - 1, - 1 ); + + } + + const invDenom = 1 / denom; + const u = ( dot11 * dot02 - dot01 * dot12 ) * invDenom; + const v = ( dot00 * dot12 - dot01 * dot02 ) * invDenom; + + // barycentric coordinates must always sum to 1 + return target.set( 1 - u - v, v, u ); + + } + + static containsPoint( point, a, b, c ) { + + this.getBarycoord( point, a, b, c, _v3$1 ); + + return ( _v3$1.x >= 0 ) && ( _v3$1.y >= 0 ) && ( ( _v3$1.x + _v3$1.y ) <= 1 ); + + } + + static getUV( point, p1, p2, p3, uv1, uv2, uv3, target ) { + + this.getBarycoord( point, p1, p2, p3, _v3$1 ); + + target.set( 0, 0 ); + target.addScaledVector( uv1, _v3$1.x ); + target.addScaledVector( uv2, _v3$1.y ); + target.addScaledVector( uv3, _v3$1.z ); + + return target; + + } + + static isFrontFacing( a, b, c, direction ) { + + _v0$1.subVectors( c, b ); + _v1$3.subVectors( a, b ); + + // strictly front facing + return ( _v0$1.cross( _v1$3 ).dot( direction ) < 0 ) ? true : false; + + } + + set( a, b, c ) { + + this.a.copy( a ); + this.b.copy( b ); + this.c.copy( c ); + + return this; + + } + + setFromPointsAndIndices( points, i0, i1, i2 ) { + + this.a.copy( points[ i0 ] ); + this.b.copy( points[ i1 ] ); + this.c.copy( points[ i2 ] ); + + return this; + + } + + setFromAttributeAndIndices( attribute, i0, i1, i2 ) { + + this.a.fromBufferAttribute( attribute, i0 ); + this.b.fromBufferAttribute( attribute, i1 ); + this.c.fromBufferAttribute( attribute, i2 ); + + return this; + + } + + clone() { + + return new this.constructor().copy( this ); + + } + + copy( triangle ) { + + this.a.copy( triangle.a ); + this.b.copy( triangle.b ); + this.c.copy( triangle.c ); + + return this; + + } + + getArea() { + + _v0$1.subVectors( this.c, this.b ); + _v1$3.subVectors( this.a, this.b ); + + return _v0$1.cross( _v1$3 ).length() * 0.5; + + } + + getMidpoint( target ) { + + return target.addVectors( this.a, this.b ).add( this.c ).multiplyScalar( 1 / 3 ); + + } + + getNormal( target ) { + + return Triangle.getNormal( this.a, this.b, this.c, target ); + + } + + getPlane( target ) { + + return target.setFromCoplanarPoints( this.a, this.b, this.c ); + + } + + getBarycoord( point, target ) { + + return Triangle.getBarycoord( point, this.a, this.b, this.c, target ); + + } + + getUV( point, uv1, uv2, uv3, target ) { + + return Triangle.getUV( point, this.a, this.b, this.c, uv1, uv2, uv3, target ); + + } + + containsPoint( point ) { + + return Triangle.containsPoint( point, this.a, this.b, this.c ); + + } + + isFrontFacing( direction ) { + + return Triangle.isFrontFacing( this.a, this.b, this.c, direction ); + + } + + intersectsBox( box ) { + + return box.intersectsTriangle( this ); + + } + + closestPointToPoint( p, target ) { + + const a = this.a, b = this.b, c = this.c; + let v, w; + + // algorithm thanks to Real-Time Collision Detection by Christer Ericson, + // published by Morgan Kaufmann Publishers, (c) 2005 Elsevier Inc., + // under the accompanying license; see chapter 5.1.5 for detailed explanation. + // basically, we're distinguishing which of the voronoi regions of the triangle + // the point lies in with the minimum amount of redundant computation. + + _vab.subVectors( b, a ); + _vac.subVectors( c, a ); + _vap.subVectors( p, a ); + const d1 = _vab.dot( _vap ); + const d2 = _vac.dot( _vap ); + if ( d1 <= 0 && d2 <= 0 ) { + + // vertex region of A; barycentric coords (1, 0, 0) + return target.copy( a ); + + } + + _vbp.subVectors( p, b ); + const d3 = _vab.dot( _vbp ); + const d4 = _vac.dot( _vbp ); + if ( d3 >= 0 && d4 <= d3 ) { + + // vertex region of B; barycentric coords (0, 1, 0) + return target.copy( b ); + + } + + const vc = d1 * d4 - d3 * d2; + if ( vc <= 0 && d1 >= 0 && d3 <= 0 ) { + + v = d1 / ( d1 - d3 ); + // edge region of AB; barycentric coords (1-v, v, 0) + return target.copy( a ).addScaledVector( _vab, v ); + + } + + _vcp.subVectors( p, c ); + const d5 = _vab.dot( _vcp ); + const d6 = _vac.dot( _vcp ); + if ( d6 >= 0 && d5 <= d6 ) { + + // vertex region of C; barycentric coords (0, 0, 1) + return target.copy( c ); + + } + + const vb = d5 * d2 - d1 * d6; + if ( vb <= 0 && d2 >= 0 && d6 <= 0 ) { + + w = d2 / ( d2 - d6 ); + // edge region of AC; barycentric coords (1-w, 0, w) + return target.copy( a ).addScaledVector( _vac, w ); + + } + + const va = d3 * d6 - d5 * d4; + if ( va <= 0 && ( d4 - d3 ) >= 0 && ( d5 - d6 ) >= 0 ) { + + _vbc.subVectors( c, b ); + w = ( d4 - d3 ) / ( ( d4 - d3 ) + ( d5 - d6 ) ); + // edge region of BC; barycentric coords (0, 1-w, w) + return target.copy( b ).addScaledVector( _vbc, w ); // edge region of BC + + } + + // face region + const denom = 1 / ( va + vb + vc ); + // u = va * denom + v = vb * denom; + w = vc * denom; + + return target.copy( a ).addScaledVector( _vab, v ).addScaledVector( _vac, w ); + + } + + equals( triangle ) { + + return triangle.a.equals( this.a ) && triangle.b.equals( this.b ) && triangle.c.equals( this.c ); + + } + +} + +let materialId = 0; + +class Material extends EventDispatcher { + + constructor() { + + super(); + + this.isMaterial = true; + + Object.defineProperty( this, 'id', { value: materialId ++ } ); + + this.uuid = generateUUID(); + + this.name = ''; + this.type = 'Material'; + + this.blending = NormalBlending; + this.side = FrontSide; + this.vertexColors = false; + + this.opacity = 1; + this.transparent = false; + + this.blendSrc = SrcAlphaFactor; + this.blendDst = OneMinusSrcAlphaFactor; + this.blendEquation = AddEquation; + this.blendSrcAlpha = null; + this.blendDstAlpha = null; + this.blendEquationAlpha = null; + + this.depthFunc = LessEqualDepth; + this.depthTest = true; + this.depthWrite = true; + + this.stencilWriteMask = 0xff; + this.stencilFunc = AlwaysStencilFunc; + this.stencilRef = 0; + this.stencilFuncMask = 0xff; + this.stencilFail = KeepStencilOp; + this.stencilZFail = KeepStencilOp; + this.stencilZPass = KeepStencilOp; + this.stencilWrite = false; + + this.clippingPlanes = null; + this.clipIntersection = false; + this.clipShadows = false; + + this.shadowSide = null; + + this.colorWrite = true; + + this.precision = null; // override the renderer's default precision for this material + + this.polygonOffset = false; + this.polygonOffsetFactor = 0; + this.polygonOffsetUnits = 0; + + this.dithering = false; + + this.alphaToCoverage = false; + this.premultipliedAlpha = false; + + this.visible = true; + + this.toneMapped = true; + + this.userData = {}; + + this.version = 0; + + this._alphaTest = 0; + + } + + get alphaTest() { + + return this._alphaTest; + + } + + set alphaTest( value ) { + + if ( this._alphaTest > 0 !== value > 0 ) { + + this.version ++; + + } + + this._alphaTest = value; + + } + + onBuild( /* shaderobject, renderer */ ) {} + + onBeforeRender( /* renderer, scene, camera, geometry, object, group */ ) {} + + onBeforeCompile( /* shaderobject, renderer */ ) {} + + customProgramCacheKey() { + + return this.onBeforeCompile.toString(); + + } + + setValues( values ) { + + if ( values === undefined ) return; + + for ( const key in values ) { + + const newValue = values[ key ]; + + if ( newValue === undefined ) { + + console.warn( 'THREE.Material: \'' + key + '\' parameter is undefined.' ); + continue; + + } + + // for backward compatibility if shading is set in the constructor + if ( key === 'shading' ) { + + console.warn( 'THREE.' + this.type + ': .shading has been removed. Use the boolean .flatShading instead.' ); + this.flatShading = ( newValue === FlatShading ) ? true : false; + continue; + + } + + const currentValue = this[ key ]; + + if ( currentValue === undefined ) { + + console.warn( 'THREE.' + this.type + ': \'' + key + '\' is not a property of this material.' ); + continue; + + } + + if ( currentValue && currentValue.isColor ) { + + currentValue.set( newValue ); + + } else if ( ( currentValue && currentValue.isVector3 ) && ( newValue && newValue.isVector3 ) ) { + + currentValue.copy( newValue ); + + } else { + + this[ key ] = newValue; + + } + + } + + } + + toJSON( meta ) { + + const isRootObject = ( meta === undefined || typeof meta === 'string' ); + + if ( isRootObject ) { + + meta = { + textures: {}, + images: {} + }; + + } + + const data = { + metadata: { + version: 4.5, + type: 'Material', + generator: 'Material.toJSON' + } + }; + + // standard Material serialization + data.uuid = this.uuid; + data.type = this.type; + + if ( this.name !== '' ) data.name = this.name; + + if ( this.color && this.color.isColor ) data.color = this.color.getHex(); + + if ( this.roughness !== undefined ) data.roughness = this.roughness; + if ( this.metalness !== undefined ) data.metalness = this.metalness; + + if ( this.sheen !== undefined ) data.sheen = this.sheen; + if ( this.sheenColor && this.sheenColor.isColor ) data.sheenColor = this.sheenColor.getHex(); + if ( this.sheenRoughness !== undefined ) data.sheenRoughness = this.sheenRoughness; + if ( this.emissive && this.emissive.isColor ) data.emissive = this.emissive.getHex(); + if ( this.emissiveIntensity && this.emissiveIntensity !== 1 ) data.emissiveIntensity = this.emissiveIntensity; + + if ( this.specular && this.specular.isColor ) data.specular = this.specular.getHex(); + if ( this.specularIntensity !== undefined ) data.specularIntensity = this.specularIntensity; + if ( this.specularColor && this.specularColor.isColor ) data.specularColor = this.specularColor.getHex(); + if ( this.shininess !== undefined ) data.shininess = this.shininess; + if ( this.clearcoat !== undefined ) data.clearcoat = this.clearcoat; + if ( this.clearcoatRoughness !== undefined ) data.clearcoatRoughness = this.clearcoatRoughness; + + if ( this.clearcoatMap && this.clearcoatMap.isTexture ) { + + data.clearcoatMap = this.clearcoatMap.toJSON( meta ).uuid; + + } + + if ( this.clearcoatRoughnessMap && this.clearcoatRoughnessMap.isTexture ) { + + data.clearcoatRoughnessMap = this.clearcoatRoughnessMap.toJSON( meta ).uuid; + + } + + if ( this.clearcoatNormalMap && this.clearcoatNormalMap.isTexture ) { + + data.clearcoatNormalMap = this.clearcoatNormalMap.toJSON( meta ).uuid; + data.clearcoatNormalScale = this.clearcoatNormalScale.toArray(); + + } + + if ( this.iridescence !== undefined ) data.iridescence = this.iridescence; + if ( this.iridescenceIOR !== undefined ) data.iridescenceIOR = this.iridescenceIOR; + if ( this.iridescenceThicknessRange !== undefined ) data.iridescenceThicknessRange = this.iridescenceThicknessRange; + + if ( this.iridescenceMap && this.iridescenceMap.isTexture ) { + + data.iridescenceMap = this.iridescenceMap.toJSON( meta ).uuid; + + } + + if ( this.iridescenceThicknessMap && this.iridescenceThicknessMap.isTexture ) { + + data.iridescenceThicknessMap = this.iridescenceThicknessMap.toJSON( meta ).uuid; + + } + + if ( this.map && this.map.isTexture ) data.map = this.map.toJSON( meta ).uuid; + if ( this.matcap && this.matcap.isTexture ) data.matcap = this.matcap.toJSON( meta ).uuid; + if ( this.alphaMap && this.alphaMap.isTexture ) data.alphaMap = this.alphaMap.toJSON( meta ).uuid; + + if ( this.lightMap && this.lightMap.isTexture ) { + + data.lightMap = this.lightMap.toJSON( meta ).uuid; + data.lightMapIntensity = this.lightMapIntensity; + + } + + if ( this.aoMap && this.aoMap.isTexture ) { + + data.aoMap = this.aoMap.toJSON( meta ).uuid; + data.aoMapIntensity = this.aoMapIntensity; + + } + + if ( this.bumpMap && this.bumpMap.isTexture ) { + + data.bumpMap = this.bumpMap.toJSON( meta ).uuid; + data.bumpScale = this.bumpScale; + + } + + if ( this.normalMap && this.normalMap.isTexture ) { + + data.normalMap = this.normalMap.toJSON( meta ).uuid; + data.normalMapType = this.normalMapType; + data.normalScale = this.normalScale.toArray(); + + } + + if ( this.displacementMap && this.displacementMap.isTexture ) { + + data.displacementMap = this.displacementMap.toJSON( meta ).uuid; + data.displacementScale = this.displacementScale; + data.displacementBias = this.displacementBias; + + } + + if ( this.roughnessMap && this.roughnessMap.isTexture ) data.roughnessMap = this.roughnessMap.toJSON( meta ).uuid; + if ( this.metalnessMap && this.metalnessMap.isTexture ) data.metalnessMap = this.metalnessMap.toJSON( meta ).uuid; + + if ( this.emissiveMap && this.emissiveMap.isTexture ) data.emissiveMap = this.emissiveMap.toJSON( meta ).uuid; + if ( this.specularMap && this.specularMap.isTexture ) data.specularMap = this.specularMap.toJSON( meta ).uuid; + if ( this.specularIntensityMap && this.specularIntensityMap.isTexture ) data.specularIntensityMap = this.specularIntensityMap.toJSON( meta ).uuid; + if ( this.specularColorMap && this.specularColorMap.isTexture ) data.specularColorMap = this.specularColorMap.toJSON( meta ).uuid; + + if ( this.envMap && this.envMap.isTexture ) { + + data.envMap = this.envMap.toJSON( meta ).uuid; + + if ( this.combine !== undefined ) data.combine = this.combine; + + } + + if ( this.envMapIntensity !== undefined ) data.envMapIntensity = this.envMapIntensity; + if ( this.reflectivity !== undefined ) data.reflectivity = this.reflectivity; + if ( this.refractionRatio !== undefined ) data.refractionRatio = this.refractionRatio; + + if ( this.gradientMap && this.gradientMap.isTexture ) { + + data.gradientMap = this.gradientMap.toJSON( meta ).uuid; + + } + + if ( this.transmission !== undefined ) data.transmission = this.transmission; + if ( this.transmissionMap && this.transmissionMap.isTexture ) data.transmissionMap = this.transmissionMap.toJSON( meta ).uuid; + if ( this.thickness !== undefined ) data.thickness = this.thickness; + if ( this.thicknessMap && this.thicknessMap.isTexture ) data.thicknessMap = this.thicknessMap.toJSON( meta ).uuid; + if ( this.attenuationDistance !== undefined ) data.attenuationDistance = this.attenuationDistance; + if ( this.attenuationColor !== undefined ) data.attenuationColor = this.attenuationColor.getHex(); + + if ( this.size !== undefined ) data.size = this.size; + if ( this.shadowSide !== null ) data.shadowSide = this.shadowSide; + if ( this.sizeAttenuation !== undefined ) data.sizeAttenuation = this.sizeAttenuation; + + if ( this.blending !== NormalBlending ) data.blending = this.blending; + if ( this.side !== FrontSide ) data.side = this.side; + if ( this.vertexColors ) data.vertexColors = true; + + if ( this.opacity < 1 ) data.opacity = this.opacity; + if ( this.transparent === true ) data.transparent = this.transparent; + + data.depthFunc = this.depthFunc; + data.depthTest = this.depthTest; + data.depthWrite = this.depthWrite; + data.colorWrite = this.colorWrite; + + data.stencilWrite = this.stencilWrite; + data.stencilWriteMask = this.stencilWriteMask; + data.stencilFunc = this.stencilFunc; + data.stencilRef = this.stencilRef; + data.stencilFuncMask = this.stencilFuncMask; + data.stencilFail = this.stencilFail; + data.stencilZFail = this.stencilZFail; + data.stencilZPass = this.stencilZPass; + + // rotation (SpriteMaterial) + if ( this.rotation !== undefined && this.rotation !== 0 ) data.rotation = this.rotation; + + if ( this.polygonOffset === true ) data.polygonOffset = true; + if ( this.polygonOffsetFactor !== 0 ) data.polygonOffsetFactor = this.polygonOffsetFactor; + if ( this.polygonOffsetUnits !== 0 ) data.polygonOffsetUnits = this.polygonOffsetUnits; + + if ( this.linewidth !== undefined && this.linewidth !== 1 ) data.linewidth = this.linewidth; + if ( this.dashSize !== undefined ) data.dashSize = this.dashSize; + if ( this.gapSize !== undefined ) data.gapSize = this.gapSize; + if ( this.scale !== undefined ) data.scale = this.scale; + + if ( this.dithering === true ) data.dithering = true; + + if ( this.alphaTest > 0 ) data.alphaTest = this.alphaTest; + if ( this.alphaToCoverage === true ) data.alphaToCoverage = this.alphaToCoverage; + if ( this.premultipliedAlpha === true ) data.premultipliedAlpha = this.premultipliedAlpha; + + if ( this.wireframe === true ) data.wireframe = this.wireframe; + if ( this.wireframeLinewidth > 1 ) data.wireframeLinewidth = this.wireframeLinewidth; + if ( this.wireframeLinecap !== 'round' ) data.wireframeLinecap = this.wireframeLinecap; + if ( this.wireframeLinejoin !== 'round' ) data.wireframeLinejoin = this.wireframeLinejoin; + + if ( this.flatShading === true ) data.flatShading = this.flatShading; + + if ( this.visible === false ) data.visible = false; + + if ( this.toneMapped === false ) data.toneMapped = false; + + if ( this.fog === false ) data.fog = false; + + if ( JSON.stringify( this.userData ) !== '{}' ) data.userData = this.userData; + + // TODO: Copied from Object3D.toJSON + + function extractFromCache( cache ) { + + const values = []; + + for ( const key in cache ) { + + const data = cache[ key ]; + delete data.metadata; + values.push( data ); + + } + + return values; + + } + + if ( isRootObject ) { + + const textures = extractFromCache( meta.textures ); + const images = extractFromCache( meta.images ); + + if ( textures.length > 0 ) data.textures = textures; + if ( images.length > 0 ) data.images = images; + + } + + return data; + + } + + clone() { + + return new this.constructor().copy( this ); + + } + + copy( source ) { + + this.name = source.name; + + this.blending = source.blending; + this.side = source.side; + this.vertexColors = source.vertexColors; + + this.opacity = source.opacity; + this.transparent = source.transparent; + + this.blendSrc = source.blendSrc; + this.blendDst = source.blendDst; + this.blendEquation = source.blendEquation; + this.blendSrcAlpha = source.blendSrcAlpha; + this.blendDstAlpha = source.blendDstAlpha; + this.blendEquationAlpha = source.blendEquationAlpha; + + this.depthFunc = source.depthFunc; + this.depthTest = source.depthTest; + this.depthWrite = source.depthWrite; + + this.stencilWriteMask = source.stencilWriteMask; + this.stencilFunc = source.stencilFunc; + this.stencilRef = source.stencilRef; + this.stencilFuncMask = source.stencilFuncMask; + this.stencilFail = source.stencilFail; + this.stencilZFail = source.stencilZFail; + this.stencilZPass = source.stencilZPass; + this.stencilWrite = source.stencilWrite; + + const srcPlanes = source.clippingPlanes; + let dstPlanes = null; + + if ( srcPlanes !== null ) { + + const n = srcPlanes.length; + dstPlanes = new Array( n ); + + for ( let i = 0; i !== n; ++ i ) { + + dstPlanes[ i ] = srcPlanes[ i ].clone(); + + } + + } + + this.clippingPlanes = dstPlanes; + this.clipIntersection = source.clipIntersection; + this.clipShadows = source.clipShadows; + + this.shadowSide = source.shadowSide; + + this.colorWrite = source.colorWrite; + + this.precision = source.precision; + + this.polygonOffset = source.polygonOffset; + this.polygonOffsetFactor = source.polygonOffsetFactor; + this.polygonOffsetUnits = source.polygonOffsetUnits; + + this.dithering = source.dithering; + + this.alphaTest = source.alphaTest; + this.alphaToCoverage = source.alphaToCoverage; + this.premultipliedAlpha = source.premultipliedAlpha; + + this.visible = source.visible; + + this.toneMapped = source.toneMapped; + + this.userData = JSON.parse( JSON.stringify( source.userData ) ); + + return this; + + } + + dispose() { + + this.dispatchEvent( { type: 'dispose' } ); + + } + + set needsUpdate( value ) { + + if ( value === true ) this.version ++; + + } + +} + +class MeshBasicMaterial extends Material { + + constructor( parameters ) { + + super(); + + this.isMeshBasicMaterial = true; + + this.type = 'MeshBasicMaterial'; + + this.color = new Color( 0xffffff ); // emissive + + this.map = null; + + this.lightMap = null; + this.lightMapIntensity = 1.0; + + this.aoMap = null; + this.aoMapIntensity = 1.0; + + this.specularMap = null; + + this.alphaMap = null; + + this.envMap = null; + this.combine = MultiplyOperation; + this.reflectivity = 1; + this.refractionRatio = 0.98; + + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = 'round'; + this.wireframeLinejoin = 'round'; + + this.fog = true; + + this.setValues( parameters ); + + } + + copy( source ) { + + super.copy( source ); + + this.color.copy( source.color ); + + this.map = source.map; + + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + + this.specularMap = source.specularMap; + + this.alphaMap = source.alphaMap; + + this.envMap = source.envMap; + this.combine = source.combine; + this.reflectivity = source.reflectivity; + this.refractionRatio = source.refractionRatio; + + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + + this.fog = source.fog; + + return this; + + } + +} + +const _vector$9 = /*@__PURE__*/ new Vector3(); +const _vector2$1 = /*@__PURE__*/ new Vector2(); + +class BufferAttribute { + + constructor( array, itemSize, normalized ) { + + if ( Array.isArray( array ) ) { + + throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' ); + + } + + this.isBufferAttribute = true; + + this.name = ''; + + this.array = array; + this.itemSize = itemSize; + this.count = array !== undefined ? array.length / itemSize : 0; + this.normalized = normalized === true; + + this.usage = StaticDrawUsage; + this.updateRange = { offset: 0, count: - 1 }; + + this.version = 0; + + } + + onUploadCallback() {} + + set needsUpdate( value ) { + + if ( value === true ) this.version ++; + + } + + setUsage( value ) { + + this.usage = value; + + return this; + + } + + copy( source ) { + + this.name = source.name; + this.array = new source.array.constructor( source.array ); + this.itemSize = source.itemSize; + this.count = source.count; + this.normalized = source.normalized; + + this.usage = source.usage; + + return this; + + } + + copyAt( index1, attribute, index2 ) { + + index1 *= this.itemSize; + index2 *= attribute.itemSize; + + for ( let i = 0, l = this.itemSize; i < l; i ++ ) { + + this.array[ index1 + i ] = attribute.array[ index2 + i ]; + + } + + return this; + + } + + copyArray( array ) { + + this.array.set( array ); + + return this; + + } + + copyColorsArray( colors ) { + + const array = this.array; + let offset = 0; + + for ( let i = 0, l = colors.length; i < l; i ++ ) { + + let color = colors[ i ]; + + if ( color === undefined ) { + + console.warn( 'THREE.BufferAttribute.copyColorsArray(): color is undefined', i ); + color = new Color(); + + } + + array[ offset ++ ] = color.r; + array[ offset ++ ] = color.g; + array[ offset ++ ] = color.b; + + } + + return this; + + } + + copyVector2sArray( vectors ) { + + const array = this.array; + let offset = 0; + + for ( let i = 0, l = vectors.length; i < l; i ++ ) { + + let vector = vectors[ i ]; + + if ( vector === undefined ) { + + console.warn( 'THREE.BufferAttribute.copyVector2sArray(): vector is undefined', i ); + vector = new Vector2(); + + } + + array[ offset ++ ] = vector.x; + array[ offset ++ ] = vector.y; + + } + + return this; + + } + + copyVector3sArray( vectors ) { + + const array = this.array; + let offset = 0; + + for ( let i = 0, l = vectors.length; i < l; i ++ ) { + + let vector = vectors[ i ]; + + if ( vector === undefined ) { + + console.warn( 'THREE.BufferAttribute.copyVector3sArray(): vector is undefined', i ); + vector = new Vector3(); + + } + + array[ offset ++ ] = vector.x; + array[ offset ++ ] = vector.y; + array[ offset ++ ] = vector.z; + + } + + return this; + + } + + copyVector4sArray( vectors ) { + + const array = this.array; + let offset = 0; + + for ( let i = 0, l = vectors.length; i < l; i ++ ) { + + let vector = vectors[ i ]; + + if ( vector === undefined ) { + + console.warn( 'THREE.BufferAttribute.copyVector4sArray(): vector is undefined', i ); + vector = new Vector4(); + + } + + array[ offset ++ ] = vector.x; + array[ offset ++ ] = vector.y; + array[ offset ++ ] = vector.z; + array[ offset ++ ] = vector.w; + + } + + return this; + + } + + applyMatrix3( m ) { + + if ( this.itemSize === 2 ) { + + for ( let i = 0, l = this.count; i < l; i ++ ) { + + _vector2$1.fromBufferAttribute( this, i ); + _vector2$1.applyMatrix3( m ); + + this.setXY( i, _vector2$1.x, _vector2$1.y ); + + } + + } else if ( this.itemSize === 3 ) { + + for ( let i = 0, l = this.count; i < l; i ++ ) { + + _vector$9.fromBufferAttribute( this, i ); + _vector$9.applyMatrix3( m ); + + this.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z ); + + } + + } + + return this; + + } + + applyMatrix4( m ) { + + for ( let i = 0, l = this.count; i < l; i ++ ) { + + _vector$9.fromBufferAttribute( this, i ); + + _vector$9.applyMatrix4( m ); + + this.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z ); + + } + + return this; + + } + + applyNormalMatrix( m ) { + + for ( let i = 0, l = this.count; i < l; i ++ ) { + + _vector$9.fromBufferAttribute( this, i ); + + _vector$9.applyNormalMatrix( m ); + + this.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z ); + + } + + return this; + + } + + transformDirection( m ) { + + for ( let i = 0, l = this.count; i < l; i ++ ) { + + _vector$9.fromBufferAttribute( this, i ); + + _vector$9.transformDirection( m ); + + this.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z ); + + } + + return this; + + } + + set( value, offset = 0 ) { + + this.array.set( value, offset ); + + return this; + + } + + getX( index ) { + + return this.array[ index * this.itemSize ]; + + } + + setX( index, x ) { + + this.array[ index * this.itemSize ] = x; + + return this; + + } + + getY( index ) { + + return this.array[ index * this.itemSize + 1 ]; + + } + + setY( index, y ) { + + this.array[ index * this.itemSize + 1 ] = y; + + return this; + + } + + getZ( index ) { + + return this.array[ index * this.itemSize + 2 ]; + + } + + setZ( index, z ) { + + this.array[ index * this.itemSize + 2 ] = z; + + return this; + + } + + getW( index ) { + + return this.array[ index * this.itemSize + 3 ]; + + } + + setW( index, w ) { + + this.array[ index * this.itemSize + 3 ] = w; + + return this; + + } + + setXY( index, x, y ) { + + index *= this.itemSize; + + this.array[ index + 0 ] = x; + this.array[ index + 1 ] = y; + + return this; + + } + + setXYZ( index, x, y, z ) { + + index *= this.itemSize; + + this.array[ index + 0 ] = x; + this.array[ index + 1 ] = y; + this.array[ index + 2 ] = z; + + return this; + + } + + setXYZW( index, x, y, z, w ) { + + index *= this.itemSize; + + this.array[ index + 0 ] = x; + this.array[ index + 1 ] = y; + this.array[ index + 2 ] = z; + this.array[ index + 3 ] = w; + + return this; + + } + + onUpload( callback ) { + + this.onUploadCallback = callback; + + return this; + + } + + clone() { + + return new this.constructor( this.array, this.itemSize ).copy( this ); + + } + + toJSON() { + + const data = { + itemSize: this.itemSize, + type: this.array.constructor.name, + array: Array.from( this.array ), + normalized: this.normalized + }; + + if ( this.name !== '' ) data.name = this.name; + if ( this.usage !== StaticDrawUsage ) data.usage = this.usage; + if ( this.updateRange.offset !== 0 || this.updateRange.count !== - 1 ) data.updateRange = this.updateRange; + + return data; + + } + +} + +// + +class Int8BufferAttribute extends BufferAttribute { + + constructor( array, itemSize, normalized ) { + + super( new Int8Array( array ), itemSize, normalized ); + + } + +} + +class Uint8BufferAttribute extends BufferAttribute { + + constructor( array, itemSize, normalized ) { + + super( new Uint8Array( array ), itemSize, normalized ); + + } + +} + +class Uint8ClampedBufferAttribute extends BufferAttribute { + + constructor( array, itemSize, normalized ) { + + super( new Uint8ClampedArray( array ), itemSize, normalized ); + + } + +} + +class Int16BufferAttribute extends BufferAttribute { + + constructor( array, itemSize, normalized ) { + + super( new Int16Array( array ), itemSize, normalized ); + + } + +} + +class Uint16BufferAttribute extends BufferAttribute { + + constructor( array, itemSize, normalized ) { + + super( new Uint16Array( array ), itemSize, normalized ); + + } + +} + +class Int32BufferAttribute extends BufferAttribute { + + constructor( array, itemSize, normalized ) { + + super( new Int32Array( array ), itemSize, normalized ); + + } + +} + +class Uint32BufferAttribute extends BufferAttribute { + + constructor( array, itemSize, normalized ) { + + super( new Uint32Array( array ), itemSize, normalized ); + + } + +} + +class Float16BufferAttribute extends BufferAttribute { + + constructor( array, itemSize, normalized ) { + + super( new Uint16Array( array ), itemSize, normalized ); + + this.isFloat16BufferAttribute = true; + + } + +} + + +class Float32BufferAttribute extends BufferAttribute { + + constructor( array, itemSize, normalized ) { + + super( new Float32Array( array ), itemSize, normalized ); + + } + +} + +class Float64BufferAttribute extends BufferAttribute { + + constructor( array, itemSize, normalized ) { + + super( new Float64Array( array ), itemSize, normalized ); + + } + +} + +let _id$1 = 0; + +const _m1 = /*@__PURE__*/ new Matrix4(); +const _obj = /*@__PURE__*/ new Object3D(); +const _offset = /*@__PURE__*/ new Vector3(); +const _box$1 = /*@__PURE__*/ new Box3(); +const _boxMorphTargets = /*@__PURE__*/ new Box3(); +const _vector$8 = /*@__PURE__*/ new Vector3(); + +class BufferGeometry extends EventDispatcher { + + constructor() { + + super(); + + this.isBufferGeometry = true; + + Object.defineProperty( this, 'id', { value: _id$1 ++ } ); + + this.uuid = generateUUID(); + + this.name = ''; + this.type = 'BufferGeometry'; + + this.index = null; + this.attributes = {}; + + this.morphAttributes = {}; + this.morphTargetsRelative = false; + + this.groups = []; + + this.boundingBox = null; + this.boundingSphere = null; + + this.drawRange = { start: 0, count: Infinity }; + + this.userData = {}; + + } + + getIndex() { + + return this.index; + + } + + setIndex( index ) { + + if ( Array.isArray( index ) ) { + + this.index = new ( arrayNeedsUint32( index ) ? Uint32BufferAttribute : Uint16BufferAttribute )( index, 1 ); + + } else { + + this.index = index; + + } + + return this; + + } + + getAttribute( name ) { + + return this.attributes[ name ]; + + } + + setAttribute( name, attribute ) { + + this.attributes[ name ] = attribute; + + return this; + + } + + deleteAttribute( name ) { + + delete this.attributes[ name ]; + + return this; + + } + + hasAttribute( name ) { + + return this.attributes[ name ] !== undefined; + + } + + addGroup( start, count, materialIndex = 0 ) { + + this.groups.push( { + + start: start, + count: count, + materialIndex: materialIndex + + } ); + + } + + clearGroups() { + + this.groups = []; + + } + + setDrawRange( start, count ) { + + this.drawRange.start = start; + this.drawRange.count = count; + + } + + applyMatrix4( matrix ) { + + const position = this.attributes.position; + + if ( position !== undefined ) { + + position.applyMatrix4( matrix ); + + position.needsUpdate = true; + + } + + const normal = this.attributes.normal; + + if ( normal !== undefined ) { + + const normalMatrix = new Matrix3().getNormalMatrix( matrix ); + + normal.applyNormalMatrix( normalMatrix ); + + normal.needsUpdate = true; + + } + + const tangent = this.attributes.tangent; + + if ( tangent !== undefined ) { + + tangent.transformDirection( matrix ); + + tangent.needsUpdate = true; + + } + + if ( this.boundingBox !== null ) { + + this.computeBoundingBox(); + + } + + if ( this.boundingSphere !== null ) { + + this.computeBoundingSphere(); + + } + + return this; + + } + + applyQuaternion( q ) { + + _m1.makeRotationFromQuaternion( q ); + + this.applyMatrix4( _m1 ); + + return this; + + } + + rotateX( angle ) { + + // rotate geometry around world x-axis + + _m1.makeRotationX( angle ); + + this.applyMatrix4( _m1 ); + + return this; + + } + + rotateY( angle ) { + + // rotate geometry around world y-axis + + _m1.makeRotationY( angle ); + + this.applyMatrix4( _m1 ); + + return this; + + } + + rotateZ( angle ) { + + // rotate geometry around world z-axis + + _m1.makeRotationZ( angle ); + + this.applyMatrix4( _m1 ); + + return this; + + } + + translate( x, y, z ) { + + // translate geometry + + _m1.makeTranslation( x, y, z ); + + this.applyMatrix4( _m1 ); + + return this; + + } + + scale( x, y, z ) { + + // scale geometry + + _m1.makeScale( x, y, z ); + + this.applyMatrix4( _m1 ); + + return this; + + } + + lookAt( vector ) { + + _obj.lookAt( vector ); + + _obj.updateMatrix(); + + this.applyMatrix4( _obj.matrix ); + + return this; + + } + + center() { + + this.computeBoundingBox(); + + this.boundingBox.getCenter( _offset ).negate(); + + this.translate( _offset.x, _offset.y, _offset.z ); + + return this; + + } + + setFromPoints( points ) { + + const position = []; + + for ( let i = 0, l = points.length; i < l; i ++ ) { + + const point = points[ i ]; + position.push( point.x, point.y, point.z || 0 ); + + } + + this.setAttribute( 'position', new Float32BufferAttribute( position, 3 ) ); + + return this; + + } + + computeBoundingBox() { + + if ( this.boundingBox === null ) { + + this.boundingBox = new Box3(); + + } + + const position = this.attributes.position; + const morphAttributesPosition = this.morphAttributes.position; + + if ( position && position.isGLBufferAttribute ) { + + console.error( 'THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box. Alternatively set "mesh.frustumCulled" to "false".', this ); + + this.boundingBox.set( + new Vector3( - Infinity, - Infinity, - Infinity ), + new Vector3( + Infinity, + Infinity, + Infinity ) + ); + + return; + + } + + if ( position !== undefined ) { + + this.boundingBox.setFromBufferAttribute( position ); + + // process morph attributes if present + + if ( morphAttributesPosition ) { + + for ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) { + + const morphAttribute = morphAttributesPosition[ i ]; + _box$1.setFromBufferAttribute( morphAttribute ); + + if ( this.morphTargetsRelative ) { + + _vector$8.addVectors( this.boundingBox.min, _box$1.min ); + this.boundingBox.expandByPoint( _vector$8 ); + + _vector$8.addVectors( this.boundingBox.max, _box$1.max ); + this.boundingBox.expandByPoint( _vector$8 ); + + } else { + + this.boundingBox.expandByPoint( _box$1.min ); + this.boundingBox.expandByPoint( _box$1.max ); + + } + + } + + } + + } else { + + this.boundingBox.makeEmpty(); + + } + + if ( isNaN( this.boundingBox.min.x ) || isNaN( this.boundingBox.min.y ) || isNaN( this.boundingBox.min.z ) ) { + + console.error( 'THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The "position" attribute is likely to have NaN values.', this ); + + } + + } + + computeBoundingSphere() { + + if ( this.boundingSphere === null ) { + + this.boundingSphere = new Sphere(); + + } + + const position = this.attributes.position; + const morphAttributesPosition = this.morphAttributes.position; + + if ( position && position.isGLBufferAttribute ) { + + console.error( 'THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere. Alternatively set "mesh.frustumCulled" to "false".', this ); + + this.boundingSphere.set( new Vector3(), Infinity ); + + return; + + } + + if ( position ) { + + // first, find the center of the bounding sphere + + const center = this.boundingSphere.center; + + _box$1.setFromBufferAttribute( position ); + + // process morph attributes if present + + if ( morphAttributesPosition ) { + + for ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) { + + const morphAttribute = morphAttributesPosition[ i ]; + _boxMorphTargets.setFromBufferAttribute( morphAttribute ); + + if ( this.morphTargetsRelative ) { + + _vector$8.addVectors( _box$1.min, _boxMorphTargets.min ); + _box$1.expandByPoint( _vector$8 ); + + _vector$8.addVectors( _box$1.max, _boxMorphTargets.max ); + _box$1.expandByPoint( _vector$8 ); + + } else { + + _box$1.expandByPoint( _boxMorphTargets.min ); + _box$1.expandByPoint( _boxMorphTargets.max ); + + } + + } + + } + + _box$1.getCenter( center ); + + // second, try to find a boundingSphere with a radius smaller than the + // boundingSphere of the boundingBox: sqrt(3) smaller in the best case + + let maxRadiusSq = 0; + + for ( let i = 0, il = position.count; i < il; i ++ ) { + + _vector$8.fromBufferAttribute( position, i ); + + maxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector$8 ) ); + + } + + // process morph attributes if present + + if ( morphAttributesPosition ) { + + for ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) { + + const morphAttribute = morphAttributesPosition[ i ]; + const morphTargetsRelative = this.morphTargetsRelative; + + for ( let j = 0, jl = morphAttribute.count; j < jl; j ++ ) { + + _vector$8.fromBufferAttribute( morphAttribute, j ); + + if ( morphTargetsRelative ) { + + _offset.fromBufferAttribute( position, j ); + _vector$8.add( _offset ); + + } + + maxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector$8 ) ); + + } + + } + + } + + this.boundingSphere.radius = Math.sqrt( maxRadiusSq ); + + if ( isNaN( this.boundingSphere.radius ) ) { + + console.error( 'THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.', this ); + + } + + } + + } + + computeTangents() { + + const index = this.index; + const attributes = this.attributes; + + // based on http://www.terathon.com/code/tangent.html + // (per vertex tangents) + + if ( index === null || + attributes.position === undefined || + attributes.normal === undefined || + attributes.uv === undefined ) { + + console.error( 'THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)' ); + return; + + } + + const indices = index.array; + const positions = attributes.position.array; + const normals = attributes.normal.array; + const uvs = attributes.uv.array; + + const nVertices = positions.length / 3; + + if ( this.hasAttribute( 'tangent' ) === false ) { + + this.setAttribute( 'tangent', new BufferAttribute( new Float32Array( 4 * nVertices ), 4 ) ); + + } + + const tangents = this.getAttribute( 'tangent' ).array; + + const tan1 = [], tan2 = []; + + for ( let i = 0; i < nVertices; i ++ ) { + + tan1[ i ] = new Vector3(); + tan2[ i ] = new Vector3(); + + } + + const vA = new Vector3(), + vB = new Vector3(), + vC = new Vector3(), + + uvA = new Vector2(), + uvB = new Vector2(), + uvC = new Vector2(), + + sdir = new Vector3(), + tdir = new Vector3(); + + function handleTriangle( a, b, c ) { + + vA.fromArray( positions, a * 3 ); + vB.fromArray( positions, b * 3 ); + vC.fromArray( positions, c * 3 ); + + uvA.fromArray( uvs, a * 2 ); + uvB.fromArray( uvs, b * 2 ); + uvC.fromArray( uvs, c * 2 ); + + vB.sub( vA ); + vC.sub( vA ); + + uvB.sub( uvA ); + uvC.sub( uvA ); + + const r = 1.0 / ( uvB.x * uvC.y - uvC.x * uvB.y ); + + // silently ignore degenerate uv triangles having coincident or colinear vertices + + if ( ! isFinite( r ) ) return; + + sdir.copy( vB ).multiplyScalar( uvC.y ).addScaledVector( vC, - uvB.y ).multiplyScalar( r ); + tdir.copy( vC ).multiplyScalar( uvB.x ).addScaledVector( vB, - uvC.x ).multiplyScalar( r ); + + tan1[ a ].add( sdir ); + tan1[ b ].add( sdir ); + tan1[ c ].add( sdir ); + + tan2[ a ].add( tdir ); + tan2[ b ].add( tdir ); + tan2[ c ].add( tdir ); + + } + + let groups = this.groups; + + if ( groups.length === 0 ) { + + groups = [ { + start: 0, + count: indices.length + } ]; + + } + + for ( let i = 0, il = groups.length; i < il; ++ i ) { + + const group = groups[ i ]; + + const start = group.start; + const count = group.count; + + for ( let j = start, jl = start + count; j < jl; j += 3 ) { + + handleTriangle( + indices[ j + 0 ], + indices[ j + 1 ], + indices[ j + 2 ] + ); + + } + + } + + const tmp = new Vector3(), tmp2 = new Vector3(); + const n = new Vector3(), n2 = new Vector3(); + + function handleVertex( v ) { + + n.fromArray( normals, v * 3 ); + n2.copy( n ); + + const t = tan1[ v ]; + + // Gram-Schmidt orthogonalize + + tmp.copy( t ); + tmp.sub( n.multiplyScalar( n.dot( t ) ) ).normalize(); + + // Calculate handedness + + tmp2.crossVectors( n2, t ); + const test = tmp2.dot( tan2[ v ] ); + const w = ( test < 0.0 ) ? - 1.0 : 1.0; + + tangents[ v * 4 ] = tmp.x; + tangents[ v * 4 + 1 ] = tmp.y; + tangents[ v * 4 + 2 ] = tmp.z; + tangents[ v * 4 + 3 ] = w; + + } + + for ( let i = 0, il = groups.length; i < il; ++ i ) { + + const group = groups[ i ]; + + const start = group.start; + const count = group.count; + + for ( let j = start, jl = start + count; j < jl; j += 3 ) { + + handleVertex( indices[ j + 0 ] ); + handleVertex( indices[ j + 1 ] ); + handleVertex( indices[ j + 2 ] ); + + } + + } + + } + + computeVertexNormals() { + + const index = this.index; + const positionAttribute = this.getAttribute( 'position' ); + + if ( positionAttribute !== undefined ) { + + let normalAttribute = this.getAttribute( 'normal' ); + + if ( normalAttribute === undefined ) { + + normalAttribute = new BufferAttribute( new Float32Array( positionAttribute.count * 3 ), 3 ); + this.setAttribute( 'normal', normalAttribute ); + + } else { + + // reset existing normals to zero + + for ( let i = 0, il = normalAttribute.count; i < il; i ++ ) { + + normalAttribute.setXYZ( i, 0, 0, 0 ); + + } + + } + + const pA = new Vector3(), pB = new Vector3(), pC = new Vector3(); + const nA = new Vector3(), nB = new Vector3(), nC = new Vector3(); + const cb = new Vector3(), ab = new Vector3(); + + // indexed elements + + if ( index ) { + + for ( let i = 0, il = index.count; i < il; i += 3 ) { + + const vA = index.getX( i + 0 ); + const vB = index.getX( i + 1 ); + const vC = index.getX( i + 2 ); + + pA.fromBufferAttribute( positionAttribute, vA ); + pB.fromBufferAttribute( positionAttribute, vB ); + pC.fromBufferAttribute( positionAttribute, vC ); + + cb.subVectors( pC, pB ); + ab.subVectors( pA, pB ); + cb.cross( ab ); + + nA.fromBufferAttribute( normalAttribute, vA ); + nB.fromBufferAttribute( normalAttribute, vB ); + nC.fromBufferAttribute( normalAttribute, vC ); + + nA.add( cb ); + nB.add( cb ); + nC.add( cb ); + + normalAttribute.setXYZ( vA, nA.x, nA.y, nA.z ); + normalAttribute.setXYZ( vB, nB.x, nB.y, nB.z ); + normalAttribute.setXYZ( vC, nC.x, nC.y, nC.z ); + + } + + } else { + + // non-indexed elements (unconnected triangle soup) + + for ( let i = 0, il = positionAttribute.count; i < il; i += 3 ) { + + pA.fromBufferAttribute( positionAttribute, i + 0 ); + pB.fromBufferAttribute( positionAttribute, i + 1 ); + pC.fromBufferAttribute( positionAttribute, i + 2 ); + + cb.subVectors( pC, pB ); + ab.subVectors( pA, pB ); + cb.cross( ab ); + + normalAttribute.setXYZ( i + 0, cb.x, cb.y, cb.z ); + normalAttribute.setXYZ( i + 1, cb.x, cb.y, cb.z ); + normalAttribute.setXYZ( i + 2, cb.x, cb.y, cb.z ); + + } + + } + + this.normalizeNormals(); + + normalAttribute.needsUpdate = true; + + } + + } + + merge( geometry, offset ) { + + if ( ! ( geometry && geometry.isBufferGeometry ) ) { + + console.error( 'THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.', geometry ); + return; + + } + + if ( offset === undefined ) { + + offset = 0; + + console.warn( + 'THREE.BufferGeometry.merge(): Overwriting original geometry, starting at offset=0. ' + + 'Use BufferGeometryUtils.mergeBufferGeometries() for lossless merge.' + ); + + } + + const attributes = this.attributes; + + for ( const key in attributes ) { + + if ( geometry.attributes[ key ] === undefined ) continue; + + const attribute1 = attributes[ key ]; + const attributeArray1 = attribute1.array; + + const attribute2 = geometry.attributes[ key ]; + const attributeArray2 = attribute2.array; + + const attributeOffset = attribute2.itemSize * offset; + const length = Math.min( attributeArray2.length, attributeArray1.length - attributeOffset ); + + for ( let i = 0, j = attributeOffset; i < length; i ++, j ++ ) { + + attributeArray1[ j ] = attributeArray2[ i ]; + + } + + } + + return this; + + } + + normalizeNormals() { + + const normals = this.attributes.normal; + + for ( let i = 0, il = normals.count; i < il; i ++ ) { + + _vector$8.fromBufferAttribute( normals, i ); + + _vector$8.normalize(); + + normals.setXYZ( i, _vector$8.x, _vector$8.y, _vector$8.z ); + + } + + } + + toNonIndexed() { + + function convertBufferAttribute( attribute, indices ) { + + const array = attribute.array; + const itemSize = attribute.itemSize; + const normalized = attribute.normalized; + + const array2 = new array.constructor( indices.length * itemSize ); + + let index = 0, index2 = 0; + + for ( let i = 0, l = indices.length; i < l; i ++ ) { + + if ( attribute.isInterleavedBufferAttribute ) { + + index = indices[ i ] * attribute.data.stride + attribute.offset; + + } else { + + index = indices[ i ] * itemSize; + + } + + for ( let j = 0; j < itemSize; j ++ ) { + + array2[ index2 ++ ] = array[ index ++ ]; + + } + + } + + return new BufferAttribute( array2, itemSize, normalized ); + + } + + // + + if ( this.index === null ) { + + console.warn( 'THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed.' ); + return this; + + } + + const geometry2 = new BufferGeometry(); + + const indices = this.index.array; + const attributes = this.attributes; + + // attributes + + for ( const name in attributes ) { + + const attribute = attributes[ name ]; + + const newAttribute = convertBufferAttribute( attribute, indices ); + + geometry2.setAttribute( name, newAttribute ); + + } + + // morph attributes + + const morphAttributes = this.morphAttributes; + + for ( const name in morphAttributes ) { + + const morphArray = []; + const morphAttribute = morphAttributes[ name ]; // morphAttribute: array of Float32BufferAttributes + + for ( let i = 0, il = morphAttribute.length; i < il; i ++ ) { + + const attribute = morphAttribute[ i ]; + + const newAttribute = convertBufferAttribute( attribute, indices ); + + morphArray.push( newAttribute ); + + } + + geometry2.morphAttributes[ name ] = morphArray; + + } + + geometry2.morphTargetsRelative = this.morphTargetsRelative; + + // groups + + const groups = this.groups; + + for ( let i = 0, l = groups.length; i < l; i ++ ) { + + const group = groups[ i ]; + geometry2.addGroup( group.start, group.count, group.materialIndex ); + + } + + return geometry2; + + } + + toJSON() { + + const data = { + metadata: { + version: 4.5, + type: 'BufferGeometry', + generator: 'BufferGeometry.toJSON' + } + }; + + // standard BufferGeometry serialization + + data.uuid = this.uuid; + data.type = this.type; + if ( this.name !== '' ) data.name = this.name; + if ( Object.keys( this.userData ).length > 0 ) data.userData = this.userData; + + if ( this.parameters !== undefined ) { + + const parameters = this.parameters; + + for ( const key in parameters ) { + + if ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ]; + + } + + return data; + + } + + // for simplicity the code assumes attributes are not shared across geometries, see #15811 + + data.data = { attributes: {} }; + + const index = this.index; + + if ( index !== null ) { + + data.data.index = { + type: index.array.constructor.name, + array: Array.prototype.slice.call( index.array ) + }; + + } + + const attributes = this.attributes; + + for ( const key in attributes ) { + + const attribute = attributes[ key ]; + + data.data.attributes[ key ] = attribute.toJSON( data.data ); + + } + + const morphAttributes = {}; + let hasMorphAttributes = false; + + for ( const key in this.morphAttributes ) { + + const attributeArray = this.morphAttributes[ key ]; + + const array = []; + + for ( let i = 0, il = attributeArray.length; i < il; i ++ ) { + + const attribute = attributeArray[ i ]; + + array.push( attribute.toJSON( data.data ) ); + + } + + if ( array.length > 0 ) { + + morphAttributes[ key ] = array; + + hasMorphAttributes = true; + + } + + } + + if ( hasMorphAttributes ) { + + data.data.morphAttributes = morphAttributes; + data.data.morphTargetsRelative = this.morphTargetsRelative; + + } + + const groups = this.groups; + + if ( groups.length > 0 ) { + + data.data.groups = JSON.parse( JSON.stringify( groups ) ); + + } + + const boundingSphere = this.boundingSphere; + + if ( boundingSphere !== null ) { + + data.data.boundingSphere = { + center: boundingSphere.center.toArray(), + radius: boundingSphere.radius + }; + + } + + return data; + + } + + clone() { + + return new this.constructor().copy( this ); + + } + + copy( source ) { + + // reset + + this.index = null; + this.attributes = {}; + this.morphAttributes = {}; + this.groups = []; + this.boundingBox = null; + this.boundingSphere = null; + + // used for storing cloned, shared data + + const data = {}; + + // name + + this.name = source.name; + + // index + + const index = source.index; + + if ( index !== null ) { + + this.setIndex( index.clone( data ) ); + + } + + // attributes + + const attributes = source.attributes; + + for ( const name in attributes ) { + + const attribute = attributes[ name ]; + this.setAttribute( name, attribute.clone( data ) ); + + } + + // morph attributes + + const morphAttributes = source.morphAttributes; + + for ( const name in morphAttributes ) { + + const array = []; + const morphAttribute = morphAttributes[ name ]; // morphAttribute: array of Float32BufferAttributes + + for ( let i = 0, l = morphAttribute.length; i < l; i ++ ) { + + array.push( morphAttribute[ i ].clone( data ) ); + + } + + this.morphAttributes[ name ] = array; + + } + + this.morphTargetsRelative = source.morphTargetsRelative; + + // groups + + const groups = source.groups; + + for ( let i = 0, l = groups.length; i < l; i ++ ) { + + const group = groups[ i ]; + this.addGroup( group.start, group.count, group.materialIndex ); + + } + + // bounding box + + const boundingBox = source.boundingBox; + + if ( boundingBox !== null ) { + + this.boundingBox = boundingBox.clone(); + + } + + // bounding sphere + + const boundingSphere = source.boundingSphere; + + if ( boundingSphere !== null ) { + + this.boundingSphere = boundingSphere.clone(); + + } + + // draw range + + this.drawRange.start = source.drawRange.start; + this.drawRange.count = source.drawRange.count; + + // user data + + this.userData = source.userData; + + // geometry generator parameters + + if ( source.parameters !== undefined ) this.parameters = Object.assign( {}, source.parameters ); + + return this; + + } + + dispose() { + + this.dispatchEvent( { type: 'dispose' } ); + + } + +} + +const _inverseMatrix$2 = /*@__PURE__*/ new Matrix4(); +const _ray$2 = /*@__PURE__*/ new Ray(); +const _sphere$3 = /*@__PURE__*/ new Sphere(); + +const _vA$1 = /*@__PURE__*/ new Vector3(); +const _vB$1 = /*@__PURE__*/ new Vector3(); +const _vC$1 = /*@__PURE__*/ new Vector3(); + +const _tempA = /*@__PURE__*/ new Vector3(); +const _tempB = /*@__PURE__*/ new Vector3(); +const _tempC = /*@__PURE__*/ new Vector3(); + +const _morphA = /*@__PURE__*/ new Vector3(); +const _morphB = /*@__PURE__*/ new Vector3(); +const _morphC = /*@__PURE__*/ new Vector3(); + +const _uvA$1 = /*@__PURE__*/ new Vector2(); +const _uvB$1 = /*@__PURE__*/ new Vector2(); +const _uvC$1 = /*@__PURE__*/ new Vector2(); + +const _intersectionPoint = /*@__PURE__*/ new Vector3(); +const _intersectionPointWorld = /*@__PURE__*/ new Vector3(); + +class Mesh extends Object3D { + + constructor( geometry = new BufferGeometry(), material = new MeshBasicMaterial() ) { + + super(); + + this.isMesh = true; + + this.type = 'Mesh'; + + this.geometry = geometry; + this.material = material; + + this.updateMorphTargets(); + + } + + copy( source, recursive ) { + + super.copy( source, recursive ); + + if ( source.morphTargetInfluences !== undefined ) { + + this.morphTargetInfluences = source.morphTargetInfluences.slice(); + + } + + if ( source.morphTargetDictionary !== undefined ) { + + this.morphTargetDictionary = Object.assign( {}, source.morphTargetDictionary ); + + } + + this.material = source.material; + this.geometry = source.geometry; + + return this; + + } + + updateMorphTargets() { + + const geometry = this.geometry; + + const morphAttributes = geometry.morphAttributes; + const keys = Object.keys( morphAttributes ); + + if ( keys.length > 0 ) { + + const morphAttribute = morphAttributes[ keys[ 0 ] ]; + + if ( morphAttribute !== undefined ) { + + this.morphTargetInfluences = []; + this.morphTargetDictionary = {}; + + for ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) { + + const name = morphAttribute[ m ].name || String( m ); + + this.morphTargetInfluences.push( 0 ); + this.morphTargetDictionary[ name ] = m; + + } + + } + + } + + } + + raycast( raycaster, intersects ) { + + const geometry = this.geometry; + const material = this.material; + const matrixWorld = this.matrixWorld; + + if ( material === undefined ) return; + + // Checking boundingSphere distance to ray + + if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); + + _sphere$3.copy( geometry.boundingSphere ); + _sphere$3.applyMatrix4( matrixWorld ); + + if ( raycaster.ray.intersectsSphere( _sphere$3 ) === false ) return; + + // + + _inverseMatrix$2.copy( matrixWorld ).invert(); + _ray$2.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$2 ); + + // Check boundingBox before continuing + + if ( geometry.boundingBox !== null ) { + + if ( _ray$2.intersectsBox( geometry.boundingBox ) === false ) return; + + } + + let intersection; + + const index = geometry.index; + const position = geometry.attributes.position; + const morphPosition = geometry.morphAttributes.position; + const morphTargetsRelative = geometry.morphTargetsRelative; + const uv = geometry.attributes.uv; + const uv2 = geometry.attributes.uv2; + const groups = geometry.groups; + const drawRange = geometry.drawRange; + + if ( index !== null ) { + + // indexed buffer geometry + + if ( Array.isArray( material ) ) { + + for ( let i = 0, il = groups.length; i < il; i ++ ) { + + const group = groups[ i ]; + const groupMaterial = material[ group.materialIndex ]; + + const start = Math.max( group.start, drawRange.start ); + const end = Math.min( index.count, Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) ) ); + + for ( let j = start, jl = end; j < jl; j += 3 ) { + + const a = index.getX( j ); + const b = index.getX( j + 1 ); + const c = index.getX( j + 2 ); + + intersection = checkBufferGeometryIntersection( this, groupMaterial, raycaster, _ray$2, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c ); + + if ( intersection ) { + + intersection.faceIndex = Math.floor( j / 3 ); // triangle number in indexed buffer semantics + intersection.face.materialIndex = group.materialIndex; + intersects.push( intersection ); + + } + + } + + } + + } else { + + const start = Math.max( 0, drawRange.start ); + const end = Math.min( index.count, ( drawRange.start + drawRange.count ) ); + + for ( let i = start, il = end; i < il; i += 3 ) { + + const a = index.getX( i ); + const b = index.getX( i + 1 ); + const c = index.getX( i + 2 ); + + intersection = checkBufferGeometryIntersection( this, material, raycaster, _ray$2, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c ); + + if ( intersection ) { + + intersection.faceIndex = Math.floor( i / 3 ); // triangle number in indexed buffer semantics + intersects.push( intersection ); + + } + + } + + } + + } else if ( position !== undefined ) { + + // non-indexed buffer geometry + + if ( Array.isArray( material ) ) { + + for ( let i = 0, il = groups.length; i < il; i ++ ) { + + const group = groups[ i ]; + const groupMaterial = material[ group.materialIndex ]; + + const start = Math.max( group.start, drawRange.start ); + const end = Math.min( position.count, Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) ) ); + + for ( let j = start, jl = end; j < jl; j += 3 ) { + + const a = j; + const b = j + 1; + const c = j + 2; + + intersection = checkBufferGeometryIntersection( this, groupMaterial, raycaster, _ray$2, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c ); + + if ( intersection ) { + + intersection.faceIndex = Math.floor( j / 3 ); // triangle number in non-indexed buffer semantics + intersection.face.materialIndex = group.materialIndex; + intersects.push( intersection ); + + } + + } + + } + + } else { + + const start = Math.max( 0, drawRange.start ); + const end = Math.min( position.count, ( drawRange.start + drawRange.count ) ); + + for ( let i = start, il = end; i < il; i += 3 ) { + + const a = i; + const b = i + 1; + const c = i + 2; + + intersection = checkBufferGeometryIntersection( this, material, raycaster, _ray$2, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c ); + + if ( intersection ) { + + intersection.faceIndex = Math.floor( i / 3 ); // triangle number in non-indexed buffer semantics + intersects.push( intersection ); + + } + + } + + } + + } + + } + +} + +function checkIntersection( object, material, raycaster, ray, pA, pB, pC, point ) { + + let intersect; + + if ( material.side === BackSide ) { + + intersect = ray.intersectTriangle( pC, pB, pA, true, point ); + + } else { + + intersect = ray.intersectTriangle( pA, pB, pC, material.side !== DoubleSide, point ); + + } + + if ( intersect === null ) return null; + + _intersectionPointWorld.copy( point ); + _intersectionPointWorld.applyMatrix4( object.matrixWorld ); + + const distance = raycaster.ray.origin.distanceTo( _intersectionPointWorld ); + + if ( distance < raycaster.near || distance > raycaster.far ) return null; + + return { + distance: distance, + point: _intersectionPointWorld.clone(), + object: object + }; + +} + +function checkBufferGeometryIntersection( object, material, raycaster, ray, position, morphPosition, morphTargetsRelative, uv, uv2, a, b, c ) { + + _vA$1.fromBufferAttribute( position, a ); + _vB$1.fromBufferAttribute( position, b ); + _vC$1.fromBufferAttribute( position, c ); + + const morphInfluences = object.morphTargetInfluences; + + if ( morphPosition && morphInfluences ) { + + _morphA.set( 0, 0, 0 ); + _morphB.set( 0, 0, 0 ); + _morphC.set( 0, 0, 0 ); + + for ( let i = 0, il = morphPosition.length; i < il; i ++ ) { + + const influence = morphInfluences[ i ]; + const morphAttribute = morphPosition[ i ]; + + if ( influence === 0 ) continue; + + _tempA.fromBufferAttribute( morphAttribute, a ); + _tempB.fromBufferAttribute( morphAttribute, b ); + _tempC.fromBufferAttribute( morphAttribute, c ); + + if ( morphTargetsRelative ) { + + _morphA.addScaledVector( _tempA, influence ); + _morphB.addScaledVector( _tempB, influence ); + _morphC.addScaledVector( _tempC, influence ); + + } else { + + _morphA.addScaledVector( _tempA.sub( _vA$1 ), influence ); + _morphB.addScaledVector( _tempB.sub( _vB$1 ), influence ); + _morphC.addScaledVector( _tempC.sub( _vC$1 ), influence ); + + } + + } + + _vA$1.add( _morphA ); + _vB$1.add( _morphB ); + _vC$1.add( _morphC ); + + } + + if ( object.isSkinnedMesh ) { + + object.boneTransform( a, _vA$1 ); + object.boneTransform( b, _vB$1 ); + object.boneTransform( c, _vC$1 ); + + } + + const intersection = checkIntersection( object, material, raycaster, ray, _vA$1, _vB$1, _vC$1, _intersectionPoint ); + + if ( intersection ) { + + if ( uv ) { + + _uvA$1.fromBufferAttribute( uv, a ); + _uvB$1.fromBufferAttribute( uv, b ); + _uvC$1.fromBufferAttribute( uv, c ); + + intersection.uv = Triangle.getUV( _intersectionPoint, _vA$1, _vB$1, _vC$1, _uvA$1, _uvB$1, _uvC$1, new Vector2() ); + + } + + if ( uv2 ) { + + _uvA$1.fromBufferAttribute( uv2, a ); + _uvB$1.fromBufferAttribute( uv2, b ); + _uvC$1.fromBufferAttribute( uv2, c ); + + intersection.uv2 = Triangle.getUV( _intersectionPoint, _vA$1, _vB$1, _vC$1, _uvA$1, _uvB$1, _uvC$1, new Vector2() ); + + } + + const face = { + a: a, + b: b, + c: c, + normal: new Vector3(), + materialIndex: 0 + }; + + Triangle.getNormal( _vA$1, _vB$1, _vC$1, face.normal ); + + intersection.face = face; + + } + + return intersection; + +} + +class BoxGeometry extends BufferGeometry { + + constructor( width = 1, height = 1, depth = 1, widthSegments = 1, heightSegments = 1, depthSegments = 1 ) { + + super(); + + this.type = 'BoxGeometry'; + + this.parameters = { + width: width, + height: height, + depth: depth, + widthSegments: widthSegments, + heightSegments: heightSegments, + depthSegments: depthSegments + }; + + const scope = this; + + // segments + + widthSegments = Math.floor( widthSegments ); + heightSegments = Math.floor( heightSegments ); + depthSegments = Math.floor( depthSegments ); + + // buffers + + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + + // helper variables + + let numberOfVertices = 0; + let groupStart = 0; + + // build each side of the box geometry + + buildPlane( 'z', 'y', 'x', - 1, - 1, depth, height, width, depthSegments, heightSegments, 0 ); // px + buildPlane( 'z', 'y', 'x', 1, - 1, depth, height, - width, depthSegments, heightSegments, 1 ); // nx + buildPlane( 'x', 'z', 'y', 1, 1, width, depth, height, widthSegments, depthSegments, 2 ); // py + buildPlane( 'x', 'z', 'y', 1, - 1, width, depth, - height, widthSegments, depthSegments, 3 ); // ny + buildPlane( 'x', 'y', 'z', 1, - 1, width, height, depth, widthSegments, heightSegments, 4 ); // pz + buildPlane( 'x', 'y', 'z', - 1, - 1, width, height, - depth, widthSegments, heightSegments, 5 ); // nz + + // build geometry + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + + function buildPlane( u, v, w, udir, vdir, width, height, depth, gridX, gridY, materialIndex ) { + + const segmentWidth = width / gridX; + const segmentHeight = height / gridY; + + const widthHalf = width / 2; + const heightHalf = height / 2; + const depthHalf = depth / 2; + + const gridX1 = gridX + 1; + const gridY1 = gridY + 1; + + let vertexCounter = 0; + let groupCount = 0; + + const vector = new Vector3(); + + // generate vertices, normals and uvs + + for ( let iy = 0; iy < gridY1; iy ++ ) { + + const y = iy * segmentHeight - heightHalf; + + for ( let ix = 0; ix < gridX1; ix ++ ) { + + const x = ix * segmentWidth - widthHalf; + + // set values to correct vector component + + vector[ u ] = x * udir; + vector[ v ] = y * vdir; + vector[ w ] = depthHalf; + + // now apply vector to vertex buffer + + vertices.push( vector.x, vector.y, vector.z ); + + // set values to correct vector component + + vector[ u ] = 0; + vector[ v ] = 0; + vector[ w ] = depth > 0 ? 1 : - 1; + + // now apply vector to normal buffer + + normals.push( vector.x, vector.y, vector.z ); + + // uvs + + uvs.push( ix / gridX ); + uvs.push( 1 - ( iy / gridY ) ); + + // counters + + vertexCounter += 1; + + } + + } + + // indices + + // 1. you need three indices to draw a single face + // 2. a single segment consists of two faces + // 3. so we need to generate six (2*3) indices per segment + + for ( let iy = 0; iy < gridY; iy ++ ) { + + for ( let ix = 0; ix < gridX; ix ++ ) { + + const a = numberOfVertices + ix + gridX1 * iy; + const b = numberOfVertices + ix + gridX1 * ( iy + 1 ); + const c = numberOfVertices + ( ix + 1 ) + gridX1 * ( iy + 1 ); + const d = numberOfVertices + ( ix + 1 ) + gridX1 * iy; + + // faces + + indices.push( a, b, d ); + indices.push( b, c, d ); + + // increase counter + + groupCount += 6; + + } + + } + + // add a group to the geometry. this will ensure multi material support + + scope.addGroup( groupStart, groupCount, materialIndex ); + + // calculate new start value for groups + + groupStart += groupCount; + + // update total number of vertices + + numberOfVertices += vertexCounter; + + } + + } + + static fromJSON( data ) { + + return new BoxGeometry( data.width, data.height, data.depth, data.widthSegments, data.heightSegments, data.depthSegments ); + + } + +} + +/** + * Uniform Utilities + */ + +function cloneUniforms( src ) { + + const dst = {}; + + for ( const u in src ) { + + dst[ u ] = {}; + + for ( const p in src[ u ] ) { + + const property = src[ u ][ p ]; + + if ( property && ( property.isColor || + property.isMatrix3 || property.isMatrix4 || + property.isVector2 || property.isVector3 || property.isVector4 || + property.isTexture || property.isQuaternion ) ) { + + dst[ u ][ p ] = property.clone(); + + } else if ( Array.isArray( property ) ) { + + dst[ u ][ p ] = property.slice(); + + } else { + + dst[ u ][ p ] = property; + + } + + } + + } + + return dst; + +} + +function mergeUniforms( uniforms ) { + + const merged = {}; + + for ( let u = 0; u < uniforms.length; u ++ ) { + + const tmp = cloneUniforms( uniforms[ u ] ); + + for ( const p in tmp ) { + + merged[ p ] = tmp[ p ]; + + } + + } + + return merged; + +} + +// Legacy + +const UniformsUtils = { clone: cloneUniforms, merge: mergeUniforms }; + +var default_vertex = "void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}"; + +var default_fragment = "void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}"; + +class ShaderMaterial extends Material { + + constructor( parameters ) { + + super(); + + this.isShaderMaterial = true; + + this.type = 'ShaderMaterial'; + + this.defines = {}; + this.uniforms = {}; + + this.vertexShader = default_vertex; + this.fragmentShader = default_fragment; + + this.linewidth = 1; + + this.wireframe = false; + this.wireframeLinewidth = 1; + + this.fog = false; // set to use scene fog + this.lights = false; // set to use scene lights + this.clipping = false; // set to use user-defined clipping planes + + this.extensions = { + derivatives: false, // set to use derivatives + fragDepth: false, // set to use fragment depth values + drawBuffers: false, // set to use draw buffers + shaderTextureLOD: false // set to use shader texture LOD + }; + + // When rendered geometry doesn't include these attributes but the material does, + // use these default values in WebGL. This avoids errors when buffer data is missing. + this.defaultAttributeValues = { + 'color': [ 1, 1, 1 ], + 'uv': [ 0, 0 ], + 'uv2': [ 0, 0 ] + }; + + this.index0AttributeName = undefined; + this.uniformsNeedUpdate = false; + + this.glslVersion = null; + + if ( parameters !== undefined ) { + + if ( parameters.attributes !== undefined ) { + + console.error( 'THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead.' ); + + } + + this.setValues( parameters ); + + } + + } + + copy( source ) { + + super.copy( source ); + + this.fragmentShader = source.fragmentShader; + this.vertexShader = source.vertexShader; + + this.uniforms = cloneUniforms( source.uniforms ); + + this.defines = Object.assign( {}, source.defines ); + + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + + this.fog = source.fog; + this.lights = source.lights; + this.clipping = source.clipping; + + this.extensions = Object.assign( {}, source.extensions ); + + this.glslVersion = source.glslVersion; + + return this; + + } + + toJSON( meta ) { + + const data = super.toJSON( meta ); + + data.glslVersion = this.glslVersion; + data.uniforms = {}; + + for ( const name in this.uniforms ) { + + const uniform = this.uniforms[ name ]; + const value = uniform.value; + + if ( value && value.isTexture ) { + + data.uniforms[ name ] = { + type: 't', + value: value.toJSON( meta ).uuid + }; + + } else if ( value && value.isColor ) { + + data.uniforms[ name ] = { + type: 'c', + value: value.getHex() + }; + + } else if ( value && value.isVector2 ) { + + data.uniforms[ name ] = { + type: 'v2', + value: value.toArray() + }; + + } else if ( value && value.isVector3 ) { + + data.uniforms[ name ] = { + type: 'v3', + value: value.toArray() + }; + + } else if ( value && value.isVector4 ) { + + data.uniforms[ name ] = { + type: 'v4', + value: value.toArray() + }; + + } else if ( value && value.isMatrix3 ) { + + data.uniforms[ name ] = { + type: 'm3', + value: value.toArray() + }; + + } else if ( value && value.isMatrix4 ) { + + data.uniforms[ name ] = { + type: 'm4', + value: value.toArray() + }; + + } else { + + data.uniforms[ name ] = { + value: value + }; + + // note: the array variants v2v, v3v, v4v, m4v and tv are not supported so far + + } + + } + + if ( Object.keys( this.defines ).length > 0 ) data.defines = this.defines; + + data.vertexShader = this.vertexShader; + data.fragmentShader = this.fragmentShader; + + const extensions = {}; + + for ( const key in this.extensions ) { + + if ( this.extensions[ key ] === true ) extensions[ key ] = true; + + } + + if ( Object.keys( extensions ).length > 0 ) data.extensions = extensions; + + return data; + + } + +} + +class Camera extends Object3D { + + constructor() { + + super(); + + this.isCamera = true; + + this.type = 'Camera'; + + this.matrixWorldInverse = new Matrix4(); + + this.projectionMatrix = new Matrix4(); + this.projectionMatrixInverse = new Matrix4(); + + } + + copy( source, recursive ) { + + super.copy( source, recursive ); + + this.matrixWorldInverse.copy( source.matrixWorldInverse ); + + this.projectionMatrix.copy( source.projectionMatrix ); + this.projectionMatrixInverse.copy( source.projectionMatrixInverse ); + + return this; + + } + + getWorldDirection( target ) { + + this.updateWorldMatrix( true, false ); + + const e = this.matrixWorld.elements; + + return target.set( - e[ 8 ], - e[ 9 ], - e[ 10 ] ).normalize(); + + } + + updateMatrixWorld( force ) { + + super.updateMatrixWorld( force ); + + this.matrixWorldInverse.copy( this.matrixWorld ).invert(); + + } + + updateWorldMatrix( updateParents, updateChildren ) { + + super.updateWorldMatrix( updateParents, updateChildren ); + + this.matrixWorldInverse.copy( this.matrixWorld ).invert(); + + } + + clone() { + + return new this.constructor().copy( this ); + + } + +} + +class PerspectiveCamera extends Camera { + + constructor( fov = 50, aspect = 1, near = 0.1, far = 2000 ) { + + super(); + + this.isPerspectiveCamera = true; + + this.type = 'PerspectiveCamera'; + + this.fov = fov; + this.zoom = 1; + + this.near = near; + this.far = far; + this.focus = 10; + + this.aspect = aspect; + this.view = null; + + this.filmGauge = 35; // width of the film (default in millimeters) + this.filmOffset = 0; // horizontal film offset (same unit as gauge) + + this.updateProjectionMatrix(); + + } + + copy( source, recursive ) { + + super.copy( source, recursive ); + + this.fov = source.fov; + this.zoom = source.zoom; + + this.near = source.near; + this.far = source.far; + this.focus = source.focus; + + this.aspect = source.aspect; + this.view = source.view === null ? null : Object.assign( {}, source.view ); + + this.filmGauge = source.filmGauge; + this.filmOffset = source.filmOffset; + + return this; + + } + + /** + * Sets the FOV by focal length in respect to the current .filmGauge. + * + * The default film gauge is 35, so that the focal length can be specified for + * a 35mm (full frame) camera. + * + * Values for focal length and film gauge must have the same unit. + */ + setFocalLength( focalLength ) { + + /** see {@link http://www.bobatkins.com/photography/technical/field_of_view.html} */ + const vExtentSlope = 0.5 * this.getFilmHeight() / focalLength; + + this.fov = RAD2DEG * 2 * Math.atan( vExtentSlope ); + this.updateProjectionMatrix(); + + } + + /** + * Calculates the focal length from the current .fov and .filmGauge. + */ + getFocalLength() { + + const vExtentSlope = Math.tan( DEG2RAD * 0.5 * this.fov ); + + return 0.5 * this.getFilmHeight() / vExtentSlope; + + } + + getEffectiveFOV() { + + return RAD2DEG * 2 * Math.atan( + Math.tan( DEG2RAD * 0.5 * this.fov ) / this.zoom ); + + } + + getFilmWidth() { + + // film not completely covered in portrait format (aspect < 1) + return this.filmGauge * Math.min( this.aspect, 1 ); + + } + + getFilmHeight() { + + // film not completely covered in landscape format (aspect > 1) + return this.filmGauge / Math.max( this.aspect, 1 ); + + } + + /** + * Sets an offset in a larger frustum. This is useful for multi-window or + * multi-monitor/multi-machine setups. + * + * For example, if you have 3x2 monitors and each monitor is 1920x1080 and + * the monitors are in grid like this + * + * +---+---+---+ + * | A | B | C | + * +---+---+---+ + * | D | E | F | + * +---+---+---+ + * + * then for each monitor you would call it like this + * + * const w = 1920; + * const h = 1080; + * const fullWidth = w * 3; + * const fullHeight = h * 2; + * + * --A-- + * camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 0, w, h ); + * --B-- + * camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 0, w, h ); + * --C-- + * camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 0, w, h ); + * --D-- + * camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 1, w, h ); + * --E-- + * camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 1, w, h ); + * --F-- + * camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 1, w, h ); + * + * Note there is no reason monitors have to be the same size or in a grid. + */ + setViewOffset( fullWidth, fullHeight, x, y, width, height ) { + + this.aspect = fullWidth / fullHeight; + + if ( this.view === null ) { + + this.view = { + enabled: true, + fullWidth: 1, + fullHeight: 1, + offsetX: 0, + offsetY: 0, + width: 1, + height: 1 + }; + + } + + this.view.enabled = true; + this.view.fullWidth = fullWidth; + this.view.fullHeight = fullHeight; + this.view.offsetX = x; + this.view.offsetY = y; + this.view.width = width; + this.view.height = height; + + this.updateProjectionMatrix(); + + } + + clearViewOffset() { + + if ( this.view !== null ) { + + this.view.enabled = false; + + } + + this.updateProjectionMatrix(); + + } + + updateProjectionMatrix() { + + const near = this.near; + let top = near * Math.tan( DEG2RAD * 0.5 * this.fov ) / this.zoom; + let height = 2 * top; + let width = this.aspect * height; + let left = - 0.5 * width; + const view = this.view; + + if ( this.view !== null && this.view.enabled ) { + + const fullWidth = view.fullWidth, + fullHeight = view.fullHeight; + + left += view.offsetX * width / fullWidth; + top -= view.offsetY * height / fullHeight; + width *= view.width / fullWidth; + height *= view.height / fullHeight; + + } + + const skew = this.filmOffset; + if ( skew !== 0 ) left += near * skew / this.getFilmWidth(); + + this.projectionMatrix.makePerspective( left, left + width, top, top - height, near, this.far ); + + this.projectionMatrixInverse.copy( this.projectionMatrix ).invert(); + + } + + toJSON( meta ) { + + const data = super.toJSON( meta ); + + data.object.fov = this.fov; + data.object.zoom = this.zoom; + + data.object.near = this.near; + data.object.far = this.far; + data.object.focus = this.focus; + + data.object.aspect = this.aspect; + + if ( this.view !== null ) data.object.view = Object.assign( {}, this.view ); + + data.object.filmGauge = this.filmGauge; + data.object.filmOffset = this.filmOffset; + + return data; + + } + +} + +const fov = 90, aspect = 1; + +class CubeCamera extends Object3D { + + constructor( near, far, renderTarget ) { + + super(); + + this.type = 'CubeCamera'; + + if ( renderTarget.isWebGLCubeRenderTarget !== true ) { + + console.error( 'THREE.CubeCamera: The constructor now expects an instance of WebGLCubeRenderTarget as third parameter.' ); + return; + + } + + this.renderTarget = renderTarget; + + const cameraPX = new PerspectiveCamera( fov, aspect, near, far ); + cameraPX.layers = this.layers; + cameraPX.up.set( 0, - 1, 0 ); + cameraPX.lookAt( new Vector3( 1, 0, 0 ) ); + this.add( cameraPX ); + + const cameraNX = new PerspectiveCamera( fov, aspect, near, far ); + cameraNX.layers = this.layers; + cameraNX.up.set( 0, - 1, 0 ); + cameraNX.lookAt( new Vector3( - 1, 0, 0 ) ); + this.add( cameraNX ); + + const cameraPY = new PerspectiveCamera( fov, aspect, near, far ); + cameraPY.layers = this.layers; + cameraPY.up.set( 0, 0, 1 ); + cameraPY.lookAt( new Vector3( 0, 1, 0 ) ); + this.add( cameraPY ); + + const cameraNY = new PerspectiveCamera( fov, aspect, near, far ); + cameraNY.layers = this.layers; + cameraNY.up.set( 0, 0, - 1 ); + cameraNY.lookAt( new Vector3( 0, - 1, 0 ) ); + this.add( cameraNY ); + + const cameraPZ = new PerspectiveCamera( fov, aspect, near, far ); + cameraPZ.layers = this.layers; + cameraPZ.up.set( 0, - 1, 0 ); + cameraPZ.lookAt( new Vector3( 0, 0, 1 ) ); + this.add( cameraPZ ); + + const cameraNZ = new PerspectiveCamera( fov, aspect, near, far ); + cameraNZ.layers = this.layers; + cameraNZ.up.set( 0, - 1, 0 ); + cameraNZ.lookAt( new Vector3( 0, 0, - 1 ) ); + this.add( cameraNZ ); + + } + + update( renderer, scene ) { + + if ( this.parent === null ) this.updateMatrixWorld(); + + const renderTarget = this.renderTarget; + + const [ cameraPX, cameraNX, cameraPY, cameraNY, cameraPZ, cameraNZ ] = this.children; + + const currentRenderTarget = renderer.getRenderTarget(); + + const currentToneMapping = renderer.toneMapping; + const currentXrEnabled = renderer.xr.enabled; + + renderer.toneMapping = NoToneMapping; + renderer.xr.enabled = false; + + const generateMipmaps = renderTarget.texture.generateMipmaps; + + renderTarget.texture.generateMipmaps = false; + + renderer.setRenderTarget( renderTarget, 0 ); + renderer.render( scene, cameraPX ); + + renderer.setRenderTarget( renderTarget, 1 ); + renderer.render( scene, cameraNX ); + + renderer.setRenderTarget( renderTarget, 2 ); + renderer.render( scene, cameraPY ); + + renderer.setRenderTarget( renderTarget, 3 ); + renderer.render( scene, cameraNY ); + + renderer.setRenderTarget( renderTarget, 4 ); + renderer.render( scene, cameraPZ ); + + renderTarget.texture.generateMipmaps = generateMipmaps; + + renderer.setRenderTarget( renderTarget, 5 ); + renderer.render( scene, cameraNZ ); + + renderer.setRenderTarget( currentRenderTarget ); + + renderer.toneMapping = currentToneMapping; + renderer.xr.enabled = currentXrEnabled; + + renderTarget.texture.needsPMREMUpdate = true; + + } + +} + +class CubeTexture extends Texture { + + constructor( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ) { + + images = images !== undefined ? images : []; + mapping = mapping !== undefined ? mapping : CubeReflectionMapping; + + super( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ); + + this.isCubeTexture = true; + + this.flipY = false; + + } + + get images() { + + return this.image; + + } + + set images( value ) { + + this.image = value; + + } + +} + +class WebGLCubeRenderTarget extends WebGLRenderTarget { + + constructor( size, options = {} ) { + + super( size, size, options ); + + this.isWebGLCubeRenderTarget = true; + + const image = { width: size, height: size, depth: 1 }; + const images = [ image, image, image, image, image, image ]; + + this.texture = new CubeTexture( images, options.mapping, options.wrapS, options.wrapT, options.magFilter, options.minFilter, options.format, options.type, options.anisotropy, options.encoding ); + + // By convention -- likely based on the RenderMan spec from the 1990's -- cube maps are specified by WebGL (and three.js) + // in a coordinate system in which positive-x is to the right when looking up the positive-z axis -- in other words, + // in a left-handed coordinate system. By continuing this convention, preexisting cube maps continued to render correctly. + + // three.js uses a right-handed coordinate system. So environment maps used in three.js appear to have px and nx swapped + // and the flag isRenderTargetTexture controls this conversion. The flip is not required when using WebGLCubeRenderTarget.texture + // as a cube texture (this is detected when isRenderTargetTexture is set to true for cube textures). + + this.texture.isRenderTargetTexture = true; + + this.texture.generateMipmaps = options.generateMipmaps !== undefined ? options.generateMipmaps : false; + this.texture.minFilter = options.minFilter !== undefined ? options.minFilter : LinearFilter; + + } + + fromEquirectangularTexture( renderer, texture ) { + + this.texture.type = texture.type; + this.texture.encoding = texture.encoding; + + this.texture.generateMipmaps = texture.generateMipmaps; + this.texture.minFilter = texture.minFilter; + this.texture.magFilter = texture.magFilter; + + const shader = { + + uniforms: { + tEquirect: { value: null }, + }, + + vertexShader: /* glsl */` + + varying vec3 vWorldDirection; + + vec3 transformDirection( in vec3 dir, in mat4 matrix ) { + + return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz ); + + } + + void main() { + + vWorldDirection = transformDirection( position, modelMatrix ); + + #include + #include + + } + `, + + fragmentShader: /* glsl */` + + uniform sampler2D tEquirect; + + varying vec3 vWorldDirection; + + #include + + void main() { + + vec3 direction = normalize( vWorldDirection ); + + vec2 sampleUV = equirectUv( direction ); + + gl_FragColor = texture2D( tEquirect, sampleUV ); + + } + ` + }; + + const geometry = new BoxGeometry( 5, 5, 5 ); + + const material = new ShaderMaterial( { + + name: 'CubemapFromEquirect', + + uniforms: cloneUniforms( shader.uniforms ), + vertexShader: shader.vertexShader, + fragmentShader: shader.fragmentShader, + side: BackSide, + blending: NoBlending + + } ); + + material.uniforms.tEquirect.value = texture; + + const mesh = new Mesh( geometry, material ); + + const currentMinFilter = texture.minFilter; + + // Avoid blurred poles + if ( texture.minFilter === LinearMipmapLinearFilter ) texture.minFilter = LinearFilter; + + const camera = new CubeCamera( 1, 10, this ); + camera.update( renderer, mesh ); + + texture.minFilter = currentMinFilter; + + mesh.geometry.dispose(); + mesh.material.dispose(); + + return this; + + } + + clear( renderer, color, depth, stencil ) { + + const currentRenderTarget = renderer.getRenderTarget(); + + for ( let i = 0; i < 6; i ++ ) { + + renderer.setRenderTarget( this, i ); + + renderer.clear( color, depth, stencil ); + + } + + renderer.setRenderTarget( currentRenderTarget ); + + } + +} + +const _vector1 = /*@__PURE__*/ new Vector3(); +const _vector2 = /*@__PURE__*/ new Vector3(); +const _normalMatrix = /*@__PURE__*/ new Matrix3(); + +class Plane { + + constructor( normal = new Vector3( 1, 0, 0 ), constant = 0 ) { + + this.isPlane = true; + + // normal is assumed to be normalized + + this.normal = normal; + this.constant = constant; + + } + + set( normal, constant ) { + + this.normal.copy( normal ); + this.constant = constant; + + return this; + + } + + setComponents( x, y, z, w ) { + + this.normal.set( x, y, z ); + this.constant = w; + + return this; + + } + + setFromNormalAndCoplanarPoint( normal, point ) { + + this.normal.copy( normal ); + this.constant = - point.dot( this.normal ); + + return this; + + } + + setFromCoplanarPoints( a, b, c ) { + + const normal = _vector1.subVectors( c, b ).cross( _vector2.subVectors( a, b ) ).normalize(); + + // Q: should an error be thrown if normal is zero (e.g. degenerate plane)? + + this.setFromNormalAndCoplanarPoint( normal, a ); + + return this; + + } + + copy( plane ) { + + this.normal.copy( plane.normal ); + this.constant = plane.constant; + + return this; + + } + + normalize() { + + // Note: will lead to a divide by zero if the plane is invalid. + + const inverseNormalLength = 1.0 / this.normal.length(); + this.normal.multiplyScalar( inverseNormalLength ); + this.constant *= inverseNormalLength; + + return this; + + } + + negate() { + + this.constant *= - 1; + this.normal.negate(); + + return this; + + } + + distanceToPoint( point ) { + + return this.normal.dot( point ) + this.constant; + + } + + distanceToSphere( sphere ) { + + return this.distanceToPoint( sphere.center ) - sphere.radius; + + } + + projectPoint( point, target ) { + + return target.copy( this.normal ).multiplyScalar( - this.distanceToPoint( point ) ).add( point ); + + } + + intersectLine( line, target ) { + + const direction = line.delta( _vector1 ); + + const denominator = this.normal.dot( direction ); + + if ( denominator === 0 ) { + + // line is coplanar, return origin + if ( this.distanceToPoint( line.start ) === 0 ) { + + return target.copy( line.start ); + + } + + // Unsure if this is the correct method to handle this case. + return null; + + } + + const t = - ( line.start.dot( this.normal ) + this.constant ) / denominator; + + if ( t < 0 || t > 1 ) { + + return null; + + } + + return target.copy( direction ).multiplyScalar( t ).add( line.start ); + + } + + intersectsLine( line ) { + + // Note: this tests if a line intersects the plane, not whether it (or its end-points) are coplanar with it. + + const startSign = this.distanceToPoint( line.start ); + const endSign = this.distanceToPoint( line.end ); + + return ( startSign < 0 && endSign > 0 ) || ( endSign < 0 && startSign > 0 ); + + } + + intersectsBox( box ) { + + return box.intersectsPlane( this ); + + } + + intersectsSphere( sphere ) { + + return sphere.intersectsPlane( this ); + + } + + coplanarPoint( target ) { + + return target.copy( this.normal ).multiplyScalar( - this.constant ); + + } + + applyMatrix4( matrix, optionalNormalMatrix ) { + + const normalMatrix = optionalNormalMatrix || _normalMatrix.getNormalMatrix( matrix ); + + const referencePoint = this.coplanarPoint( _vector1 ).applyMatrix4( matrix ); + + const normal = this.normal.applyMatrix3( normalMatrix ).normalize(); + + this.constant = - referencePoint.dot( normal ); + + return this; + + } + + translate( offset ) { + + this.constant -= offset.dot( this.normal ); + + return this; + + } + + equals( plane ) { + + return plane.normal.equals( this.normal ) && ( plane.constant === this.constant ); + + } + + clone() { + + return new this.constructor().copy( this ); + + } + +} + +const _sphere$2 = /*@__PURE__*/ new Sphere(); +const _vector$7 = /*@__PURE__*/ new Vector3(); + +class Frustum { + + constructor( p0 = new Plane(), p1 = new Plane(), p2 = new Plane(), p3 = new Plane(), p4 = new Plane(), p5 = new Plane() ) { + + this.planes = [ p0, p1, p2, p3, p4, p5 ]; + + } + + set( p0, p1, p2, p3, p4, p5 ) { + + const planes = this.planes; + + planes[ 0 ].copy( p0 ); + planes[ 1 ].copy( p1 ); + planes[ 2 ].copy( p2 ); + planes[ 3 ].copy( p3 ); + planes[ 4 ].copy( p4 ); + planes[ 5 ].copy( p5 ); + + return this; + + } + + copy( frustum ) { + + const planes = this.planes; + + for ( let i = 0; i < 6; i ++ ) { + + planes[ i ].copy( frustum.planes[ i ] ); + + } + + return this; + + } + + setFromProjectionMatrix( m ) { + + const planes = this.planes; + const me = m.elements; + const me0 = me[ 0 ], me1 = me[ 1 ], me2 = me[ 2 ], me3 = me[ 3 ]; + const me4 = me[ 4 ], me5 = me[ 5 ], me6 = me[ 6 ], me7 = me[ 7 ]; + const me8 = me[ 8 ], me9 = me[ 9 ], me10 = me[ 10 ], me11 = me[ 11 ]; + const me12 = me[ 12 ], me13 = me[ 13 ], me14 = me[ 14 ], me15 = me[ 15 ]; + + planes[ 0 ].setComponents( me3 - me0, me7 - me4, me11 - me8, me15 - me12 ).normalize(); + planes[ 1 ].setComponents( me3 + me0, me7 + me4, me11 + me8, me15 + me12 ).normalize(); + planes[ 2 ].setComponents( me3 + me1, me7 + me5, me11 + me9, me15 + me13 ).normalize(); + planes[ 3 ].setComponents( me3 - me1, me7 - me5, me11 - me9, me15 - me13 ).normalize(); + planes[ 4 ].setComponents( me3 - me2, me7 - me6, me11 - me10, me15 - me14 ).normalize(); + planes[ 5 ].setComponents( me3 + me2, me7 + me6, me11 + me10, me15 + me14 ).normalize(); + + return this; + + } + + intersectsObject( object ) { + + const geometry = object.geometry; + + if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); + + _sphere$2.copy( geometry.boundingSphere ).applyMatrix4( object.matrixWorld ); + + return this.intersectsSphere( _sphere$2 ); + + } + + intersectsSprite( sprite ) { + + _sphere$2.center.set( 0, 0, 0 ); + _sphere$2.radius = 0.7071067811865476; + _sphere$2.applyMatrix4( sprite.matrixWorld ); + + return this.intersectsSphere( _sphere$2 ); + + } + + intersectsSphere( sphere ) { + + const planes = this.planes; + const center = sphere.center; + const negRadius = - sphere.radius; + + for ( let i = 0; i < 6; i ++ ) { + + const distance = planes[ i ].distanceToPoint( center ); + + if ( distance < negRadius ) { + + return false; + + } + + } + + return true; + + } + + intersectsBox( box ) { + + const planes = this.planes; + + for ( let i = 0; i < 6; i ++ ) { + + const plane = planes[ i ]; + + // corner at max distance + + _vector$7.x = plane.normal.x > 0 ? box.max.x : box.min.x; + _vector$7.y = plane.normal.y > 0 ? box.max.y : box.min.y; + _vector$7.z = plane.normal.z > 0 ? box.max.z : box.min.z; + + if ( plane.distanceToPoint( _vector$7 ) < 0 ) { + + return false; + + } + + } + + return true; + + } + + containsPoint( point ) { + + const planes = this.planes; + + for ( let i = 0; i < 6; i ++ ) { + + if ( planes[ i ].distanceToPoint( point ) < 0 ) { + + return false; + + } + + } + + return true; + + } + + clone() { + + return new this.constructor().copy( this ); + + } + +} + +function WebGLAnimation() { + + let context = null; + let isAnimating = false; + let animationLoop = null; + let requestId = null; + + function onAnimationFrame( time, frame ) { + + animationLoop( time, frame ); + + requestId = context.requestAnimationFrame( onAnimationFrame ); + + } + + return { + + start: function () { + + if ( isAnimating === true ) return; + if ( animationLoop === null ) return; + + requestId = context.requestAnimationFrame( onAnimationFrame ); + + isAnimating = true; + + }, + + stop: function () { + + context.cancelAnimationFrame( requestId ); + + isAnimating = false; + + }, + + setAnimationLoop: function ( callback ) { + + animationLoop = callback; + + }, + + setContext: function ( value ) { + + context = value; + + } + + }; + +} + +function WebGLAttributes( gl, capabilities ) { + + const isWebGL2 = capabilities.isWebGL2; + + const buffers = new WeakMap(); + + function createBuffer( attribute, bufferType ) { + + const array = attribute.array; + const usage = attribute.usage; + + const buffer = gl.createBuffer(); + + gl.bindBuffer( bufferType, buffer ); + gl.bufferData( bufferType, array, usage ); + + attribute.onUploadCallback(); + + let type; + + if ( array instanceof Float32Array ) { + + type = 5126; + + } else if ( array instanceof Uint16Array ) { + + if ( attribute.isFloat16BufferAttribute ) { + + if ( isWebGL2 ) { + + type = 5131; + + } else { + + throw new Error( 'THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2.' ); + + } + + } else { + + type = 5123; + + } + + } else if ( array instanceof Int16Array ) { + + type = 5122; + + } else if ( array instanceof Uint32Array ) { + + type = 5125; + + } else if ( array instanceof Int32Array ) { + + type = 5124; + + } else if ( array instanceof Int8Array ) { + + type = 5120; + + } else if ( array instanceof Uint8Array ) { + + type = 5121; + + } else if ( array instanceof Uint8ClampedArray ) { + + type = 5121; + + } else { + + throw new Error( 'THREE.WebGLAttributes: Unsupported buffer data format: ' + array ); + + } + + return { + buffer: buffer, + type: type, + bytesPerElement: array.BYTES_PER_ELEMENT, + version: attribute.version + }; + + } + + function updateBuffer( buffer, attribute, bufferType ) { + + const array = attribute.array; + const updateRange = attribute.updateRange; + + gl.bindBuffer( bufferType, buffer ); + + if ( updateRange.count === - 1 ) { + + // Not using update ranges + + gl.bufferSubData( bufferType, 0, array ); + + } else { + + if ( isWebGL2 ) { + + gl.bufferSubData( bufferType, updateRange.offset * array.BYTES_PER_ELEMENT, + array, updateRange.offset, updateRange.count ); + + } else { + + gl.bufferSubData( bufferType, updateRange.offset * array.BYTES_PER_ELEMENT, + array.subarray( updateRange.offset, updateRange.offset + updateRange.count ) ); + + } + + updateRange.count = - 1; // reset range + + } + + } + + // + + function get( attribute ) { + + if ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data; + + return buffers.get( attribute ); + + } + + function remove( attribute ) { + + if ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data; + + const data = buffers.get( attribute ); + + if ( data ) { + + gl.deleteBuffer( data.buffer ); + + buffers.delete( attribute ); + + } + + } + + function update( attribute, bufferType ) { + + if ( attribute.isGLBufferAttribute ) { + + const cached = buffers.get( attribute ); + + if ( ! cached || cached.version < attribute.version ) { + + buffers.set( attribute, { + buffer: attribute.buffer, + type: attribute.type, + bytesPerElement: attribute.elementSize, + version: attribute.version + } ); + + } + + return; + + } + + if ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data; + + const data = buffers.get( attribute ); + + if ( data === undefined ) { + + buffers.set( attribute, createBuffer( attribute, bufferType ) ); + + } else if ( data.version < attribute.version ) { + + updateBuffer( data.buffer, attribute, bufferType ); + + data.version = attribute.version; + + } + + } + + return { + + get: get, + remove: remove, + update: update + + }; + +} + +class PlaneGeometry extends BufferGeometry { + + constructor( width = 1, height = 1, widthSegments = 1, heightSegments = 1 ) { + + super(); + this.type = 'PlaneGeometry'; + + this.parameters = { + width: width, + height: height, + widthSegments: widthSegments, + heightSegments: heightSegments + }; + + const width_half = width / 2; + const height_half = height / 2; + + const gridX = Math.floor( widthSegments ); + const gridY = Math.floor( heightSegments ); + + const gridX1 = gridX + 1; + const gridY1 = gridY + 1; + + const segment_width = width / gridX; + const segment_height = height / gridY; + + // + + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + + for ( let iy = 0; iy < gridY1; iy ++ ) { + + const y = iy * segment_height - height_half; + + for ( let ix = 0; ix < gridX1; ix ++ ) { + + const x = ix * segment_width - width_half; + + vertices.push( x, - y, 0 ); + + normals.push( 0, 0, 1 ); + + uvs.push( ix / gridX ); + uvs.push( 1 - ( iy / gridY ) ); + + } + + } + + for ( let iy = 0; iy < gridY; iy ++ ) { + + for ( let ix = 0; ix < gridX; ix ++ ) { + + const a = ix + gridX1 * iy; + const b = ix + gridX1 * ( iy + 1 ); + const c = ( ix + 1 ) + gridX1 * ( iy + 1 ); + const d = ( ix + 1 ) + gridX1 * iy; + + indices.push( a, b, d ); + indices.push( b, c, d ); + + } + + } + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + + } + + static fromJSON( data ) { + + return new PlaneGeometry( data.width, data.height, data.widthSegments, data.heightSegments ); + + } + +} + +var alphamap_fragment = "#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\n#endif"; + +var alphamap_pars_fragment = "#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif"; + +var alphatest_fragment = "#ifdef USE_ALPHATEST\n\tif ( diffuseColor.a < alphaTest ) discard;\n#endif"; + +var alphatest_pars_fragment = "#ifdef USE_ALPHATEST\n\tuniform float alphaTest;\n#endif"; + +var aomap_fragment = "#ifdef USE_AOMAP\n\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\t#if defined( USE_ENVMAP ) && defined( STANDARD )\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );\n\t#endif\n#endif"; + +var aomap_pars_fragment = "#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif"; + +var begin_vertex = "vec3 transformed = vec3( position );"; + +var beginnormal_vertex = "vec3 objectNormal = vec3( normal );\n#ifdef USE_TANGENT\n\tvec3 objectTangent = vec3( tangent.xyz );\n#endif"; + +var bsdfs = "vec3 BRDF_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n}\nfloat F_Schlick( const in float f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n}\nvec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {\n float x = clamp( 1.0 - dotVH, 0.0, 1.0 );\n float x2 = x * x;\n float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );\n return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );\n}\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 f0, const in float f90, const in float roughness ) {\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( f0, f90, dotVH );\n\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\tfloat D = D_GGX( alpha, dotNH );\n\treturn F * ( V * D );\n}\n#ifdef USE_IRIDESCENCE\nvec3 BRDF_GGX_Iridescence( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 f0, const in float f90, const in float iridescence, const in vec3 iridescenceFresnel, const in float roughness ) {\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = mix(F_Schlick( f0, f90, dotVH ), iridescenceFresnel, iridescence);\n\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\tfloat D = D_GGX( alpha, dotNH );\n\treturn F * ( V * D );\n}\n#endif\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\tfloat dotNV = saturate( dot( N, V ) );\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\treturn vec3( result );\n}\nfloat G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, 1.0, dotVH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie( float roughness, float dotNH ) {\n\tfloat alpha = pow2( roughness );\n\tfloat invAlpha = 1.0 / alpha;\n\tfloat cos2h = dotNH * dotNH;\n\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\n\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\n}\nfloat V_Neubelt( float dotNV, float dotNL ) {\n\treturn saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\n}\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat D = D_Charlie( sheenRoughness, dotNH );\n\tfloat V = V_Neubelt( dotNV, dotNL );\n\treturn sheenColor * ( D * V );\n}\n#endif"; + +var iridescence_fragment = "#ifdef USE_IRIDESCENCE\nconst mat3 XYZ_TO_REC709 = mat3(\n 3.2404542, -0.9692660, 0.0556434,\n -1.5371385, 1.8760108, -0.2040259,\n -0.4985314, 0.0415560, 1.0572252\n);\nvec3 Fresnel0ToIor( vec3 fresnel0 ) {\n vec3 sqrtF0 = sqrt( fresnel0 );\n return ( vec3( 1.0 ) + sqrtF0 ) / ( vec3( 1.0 ) - sqrtF0 );\n}\nvec3 IorToFresnel0( vec3 transmittedIor, float incidentIor ) {\n return pow2( ( transmittedIor - vec3( incidentIor ) ) / ( transmittedIor + vec3( incidentIor ) ) );\n}\nfloat IorToFresnel0( float transmittedIor, float incidentIor ) {\n return pow2( ( transmittedIor - incidentIor ) / ( transmittedIor + incidentIor ));\n}\nvec3 evalSensitivity( float OPD, vec3 shift ) {\n float phase = 2.0 * PI * OPD * 1.0e-9;\n vec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 );\n vec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 );\n vec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 );\n vec3 xyz = val * sqrt( 2.0 * PI * var ) * cos( pos * phase + shift ) * exp( -pow2( phase ) * var );\n xyz.x += 9.7470e-14 * sqrt( 2.0 * PI * 4.5282e+09 ) * cos( 2.2399e+06 * phase + shift[0] ) * exp( -4.5282e+09 * pow2( phase ) );\n xyz /= 1.0685e-7;\n vec3 srgb = XYZ_TO_REC709 * xyz;\n return srgb;\n}\nvec3 evalIridescence( float outsideIOR, float eta2, float cosTheta1, float thinFilmThickness, vec3 baseF0 ) {\n vec3 I;\n float iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) );\n float sinTheta2Sq = pow2( outsideIOR / iridescenceIOR ) * ( 1.0 - pow2( cosTheta1 ) );\n float cosTheta2Sq = 1.0 - sinTheta2Sq;\n if ( cosTheta2Sq < 0.0 ) {\n return vec3( 1.0 );\n }\n float cosTheta2 = sqrt( cosTheta2Sq );\n float R0 = IorToFresnel0( iridescenceIOR, outsideIOR );\n float R12 = F_Schlick( R0, 1.0, cosTheta1 );\n float R21 = R12;\n float T121 = 1.0 - R12;\n float phi12 = 0.0;\n if ( iridescenceIOR < outsideIOR ) phi12 = PI;\n float phi21 = PI - phi12;\n vec3 baseIOR = Fresnel0ToIor( clamp( baseF0, 0.0, 0.9999 ) ); vec3 R1 = IorToFresnel0( baseIOR, iridescenceIOR );\n vec3 R23 = F_Schlick( R1, 1.0, cosTheta2 );\n vec3 phi23 = vec3( 0.0 );\n if ( baseIOR[0] < iridescenceIOR ) phi23[0] = PI;\n if ( baseIOR[1] < iridescenceIOR ) phi23[1] = PI;\n if ( baseIOR[2] < iridescenceIOR ) phi23[2] = PI;\n float OPD = 2.0 * iridescenceIOR * thinFilmThickness * cosTheta2;\n vec3 phi = vec3( phi21 ) + phi23;\n vec3 R123 = clamp( R12 * R23, 1e-5, 0.9999 );\n vec3 r123 = sqrt( R123 );\n vec3 Rs = pow2( T121 ) * R23 / ( vec3( 1.0 ) - R123 );\n vec3 C0 = R12 + Rs;\n I = C0;\n vec3 Cm = Rs - T121;\n for ( int m = 1; m <= 2; ++m ) {\n Cm *= r123;\n vec3 Sm = 2.0 * evalSensitivity( float( m ) * OPD, float( m ) * phi );\n I += Cm * Sm;\n }\n return max( I, vec3( 0.0 ) );\n}\n#endif"; + +var bumpmap_pars_fragment = "#ifdef USE_BUMPMAP\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\tvec2 dHdxy_fwd() {\n\t\tvec2 dSTdx = dFdx( vUv );\n\t\tvec2 dSTdy = dFdy( vUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\n\t\tvec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) );\n\t\tvec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) );\n\t\tvec3 vN = surf_norm;\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\t\tfloat fDet = dot( vSigmaX, R1 ) * faceDirection;\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif"; + +var clipping_planes_fragment = "#if NUM_CLIPPING_PLANES > 0\n\tvec4 plane;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\tplane = clippingPlanes[ i ];\n\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t}\n\t#pragma unroll_loop_end\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\tbool clipped = true;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\tif ( clipped ) discard;\n\t#endif\n#endif"; + +var clipping_planes_pars_fragment = "#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif"; + +var clipping_planes_pars_vertex = "#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n#endif"; + +var clipping_planes_vertex = "#if NUM_CLIPPING_PLANES > 0\n\tvClipPosition = - mvPosition.xyz;\n#endif"; + +var color_fragment = "#if defined( USE_COLOR_ALPHA )\n\tdiffuseColor *= vColor;\n#elif defined( USE_COLOR )\n\tdiffuseColor.rgb *= vColor;\n#endif"; + +var color_pars_fragment = "#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR )\n\tvarying vec3 vColor;\n#endif"; + +var color_pars_vertex = "#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\tvarying vec3 vColor;\n#endif"; + +var color_vertex = "#if defined( USE_COLOR_ALPHA )\n\tvColor = vec4( 1.0 );\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\tvColor = vec3( 1.0 );\n#endif\n#ifdef USE_COLOR\n\tvColor *= color;\n#endif\n#ifdef USE_INSTANCING_COLOR\n\tvColor.xyz *= instanceColor.xyz;\n#endif"; + +var common = "#define PI 3.141592653589793\n#define PI2 6.283185307179586\n#define PI_HALF 1.5707963267948966\n#define RECIPROCAL_PI 0.3183098861837907\n#define RECIPROCAL_PI2 0.15915494309189535\n#define EPSILON 1e-6\n#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nvec3 pow2( const in vec3 x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract( sin( sn ) * c );\n}\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal;\n#endif\n};\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nmat3 transposeMat3( const in mat3 m ) {\n\tmat3 tmp;\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\treturn tmp;\n}\nfloat linearToRelativeLuminance( const in vec3 color ) {\n\tvec3 weights = vec3( 0.2126, 0.7152, 0.0722 );\n\treturn dot( weights, color.rgb );\n}\nbool isPerspectiveMatrix( mat4 m ) {\n\treturn m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectUv( in vec3 dir ) {\n\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\treturn vec2( u, v );\n}"; + +var cube_uv_reflection_fragment = "#ifdef ENVMAP_TYPE_CUBE_UV\n\t#define cubeUV_minMipLevel 4.0\n\t#define cubeUV_minTileSize 16.0\n\tfloat getFace( vec3 direction ) {\n\t\tvec3 absDirection = abs( direction );\n\t\tfloat face = - 1.0;\n\t\tif ( absDirection.x > absDirection.z ) {\n\t\t\tif ( absDirection.x > absDirection.y )\n\t\t\t\tface = direction.x > 0.0 ? 0.0 : 3.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t} else {\n\t\t\tif ( absDirection.z > absDirection.y )\n\t\t\t\tface = direction.z > 0.0 ? 2.0 : 5.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t}\n\t\treturn face;\n\t}\n\tvec2 getUV( vec3 direction, float face ) {\n\t\tvec2 uv;\n\t\tif ( face == 0.0 ) {\n\t\t\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 1.0 ) {\n\t\t\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\n\t\t} else if ( face == 2.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\n\t\t} else if ( face == 3.0 ) {\n\t\t\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 4.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\n\t\t} else {\n\t\t\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\n\t\t}\n\t\treturn 0.5 * ( uv + 1.0 );\n\t}\n\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\n\t\tfloat face = getFace( direction );\n\t\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\n\t\tmipInt = max( mipInt, cubeUV_minMipLevel );\n\t\tfloat faceSize = exp2( mipInt );\n\t\tvec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;\n\t\tif ( face > 2.0 ) {\n\t\t\tuv.y += faceSize;\n\t\t\tface -= 3.0;\n\t\t}\n\t\tuv.x += face * faceSize;\n\t\tuv.x += filterInt * 3.0 * cubeUV_minTileSize;\n\t\tuv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );\n\t\tuv.x *= CUBEUV_TEXEL_WIDTH;\n\t\tuv.y *= CUBEUV_TEXEL_HEIGHT;\n\t\t#ifdef texture2DGradEXT\n\t\t\treturn texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;\n\t\t#else\n\t\t\treturn texture2D( envMap, uv ).rgb;\n\t\t#endif\n\t}\n\t#define r0 1.0\n\t#define v0 0.339\n\t#define m0 - 2.0\n\t#define r1 0.8\n\t#define v1 0.276\n\t#define m1 - 1.0\n\t#define r4 0.4\n\t#define v4 0.046\n\t#define m4 2.0\n\t#define r5 0.305\n\t#define v5 0.016\n\t#define m5 3.0\n\t#define r6 0.21\n\t#define v6 0.0038\n\t#define m6 4.0\n\tfloat roughnessToMip( float roughness ) {\n\t\tfloat mip = 0.0;\n\t\tif ( roughness >= r1 ) {\n\t\t\tmip = ( r0 - roughness ) * ( m1 - m0 ) / ( r0 - r1 ) + m0;\n\t\t} else if ( roughness >= r4 ) {\n\t\t\tmip = ( r1 - roughness ) * ( m4 - m1 ) / ( r1 - r4 ) + m1;\n\t\t} else if ( roughness >= r5 ) {\n\t\t\tmip = ( r4 - roughness ) * ( m5 - m4 ) / ( r4 - r5 ) + m4;\n\t\t} else if ( roughness >= r6 ) {\n\t\t\tmip = ( r5 - roughness ) * ( m6 - m5 ) / ( r5 - r6 ) + m5;\n\t\t} else {\n\t\t\tmip = - 2.0 * log2( 1.16 * roughness );\t\t}\n\t\treturn mip;\n\t}\n\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n\t\tfloat mip = clamp( roughnessToMip( roughness ), m0, CUBEUV_MAX_MIP );\n\t\tfloat mipF = fract( mip );\n\t\tfloat mipInt = floor( mip );\n\t\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\n\t\tif ( mipF == 0.0 ) {\n\t\t\treturn vec4( color0, 1.0 );\n\t\t} else {\n\t\t\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\n\t\t\treturn vec4( mix( color0, color1, mipF ), 1.0 );\n\t\t}\n\t}\n#endif"; + +var defaultnormal_vertex = "vec3 transformedNormal = objectNormal;\n#ifdef USE_INSTANCING\n\tmat3 m = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );\n\ttransformedNormal = m * transformedNormal;\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#ifdef FLIP_SIDED\n\t\ttransformedTangent = - transformedTangent;\n\t#endif\n#endif"; + +var displacementmap_pars_vertex = "#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif"; + +var displacementmap_vertex = "#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + displacementBias );\n#endif"; + +var emissivemap_fragment = "#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif"; + +var emissivemap_pars_fragment = "#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif"; + +var encodings_fragment = "gl_FragColor = linearToOutputTexel( gl_FragColor );"; + +var encodings_pars_fragment = "vec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\nvec4 LinearTosRGB( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}"; + +var envmap_fragment = "#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvec3 cameraToFrag;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 envColor = textureCubeUV( envMap, reflectVec, 0.0 );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif"; + +var envmap_common_pars_fragment = "#ifdef USE_ENVMAP\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\t\n#endif"; + +var envmap_pars_fragment = "#ifdef USE_ENVMAP\n\tuniform float reflectivity;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif"; + +var envmap_pars_vertex = "#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) ||defined( PHONG )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif"; + +var envmap_vertex = "#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif"; + +var fog_vertex = "#ifdef USE_FOG\n\tvFogDepth = - mvPosition.z;\n#endif"; + +var fog_pars_vertex = "#ifdef USE_FOG\n\tvarying float vFogDepth;\n#endif"; + +var fog_fragment = "#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif"; + +var fog_pars_fragment = "#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float vFogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif"; + +var gradientmap_pars_fragment = "#ifdef USE_GRADIENTMAP\n\tuniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t#ifdef USE_GRADIENTMAP\n\t\treturn vec3( texture2D( gradientMap, coord ).r );\n\t#else\n\t\treturn ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );\n\t#endif\n}"; + +var lightmap_fragment = "#ifdef USE_LIGHTMAP\n\tvec4 lightMapTexel = texture2D( lightMap, vUv2 );\n\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\treflectedLight.indirectDiffuse += lightMapIrradiance;\n#endif"; + +var lightmap_pars_fragment = "#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif"; + +var lights_lambert_vertex = "vec3 diffuse = vec3( 1.0 );\nGeometricContext geometry;\ngeometry.position = mvPosition.xyz;\ngeometry.normal = normalize( transformedNormal );\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( -mvPosition.xyz );\nGeometricContext backGeometry;\nbackGeometry.position = geometry.position;\nbackGeometry.normal = -geometry.normal;\nbackGeometry.viewDir = geometry.viewDir;\nvLightFront = vec3( 0.0 );\nvIndirectFront = vec3( 0.0 );\n#ifdef DOUBLE_SIDED\n\tvLightBack = vec3( 0.0 );\n\tvIndirectBack = vec3( 0.0 );\n#endif\nIncidentLight directLight;\nfloat dotNL;\nvec3 directLightColor_Diffuse;\nvIndirectFront += getAmbientLightIrradiance( ambientLightColor );\nvIndirectFront += getLightProbeIrradiance( lightProbe, geometry.normal );\n#ifdef DOUBLE_SIDED\n\tvIndirectBack += getAmbientLightIrradiance( ambientLightColor );\n\tvIndirectBack += getLightProbeIrradiance( lightProbe, backGeometry.normal );\n#endif\n#if NUM_POINT_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tgetPointLightInfo( pointLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tgetSpotLightInfo( spotLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_DIR_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tgetDirectionalLightInfo( directionalLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\tvIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry.normal );\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif"; + +var lights_pars_begin = "uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\nuniform vec3 lightProbe[ 9 ];\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\treturn result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\n\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\treturn irradiance;\n}\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\t#if defined ( PHYSICALLY_CORRECT_LIGHTS )\n\t\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\t\tif ( cutoffDistance > 0.0 ) {\n\t\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t\t}\n\t\treturn distanceFalloff;\n\t#else\n\t\tif ( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\n\t\t\treturn pow( saturate( - lightDistance / cutoffDistance + 1.0 ), decayExponent );\n\t\t}\n\t\treturn 1.0;\n\t#endif\n}\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\n\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalLightInfo( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight light ) {\n\t\tlight.color = directionalLight.color;\n\t\tlight.direction = directionalLight.direction;\n\t\tlight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointLightInfo( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight light ) {\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tlight.color = pointLight.color;\n\t\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\n\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotLightInfo( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight light ) {\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat angleCos = dot( light.direction, spotLight.direction );\n\t\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\tif ( spotAttenuation > 0.0 ) {\n\t\t\tfloat lightDistance = length( lVector );\n\t\t\tlight.color = spotLight.color * spotAttenuation;\n\t\t\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t\t} else {\n\t\t\tlight.color = vec3( 0.0 );\n\t\t\tlight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltc_1;\tuniform sampler2D ltc_2;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\n\t\tfloat dotNL = dot( normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\treturn irradiance;\n\t}\n#endif"; + +var envmap_physical_pars_fragment = "#if defined( USE_ENVMAP )\n\tvec3 getIBLIrradiance( const in vec3 normal ) {\n\t\t#if defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 );\n\t\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\n\t\t#if defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 reflectVec = reflect( - viewDir, normal );\n\t\t\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\t\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness );\n\t\t\treturn envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n#endif"; + +var lights_toon_fragment = "ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;"; + +var lights_toon_pars_fragment = "varying vec3 vViewPosition;\nstruct ToonMaterial {\n\tvec3 diffuseColor;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon\n#define Material_LightProbeLOD( material )\t(0)"; + +var lights_phong_fragment = "BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;"; + +var lights_phong_pars_fragment = "varying vec3 vViewPosition;\nstruct BlinnPhongMaterial {\n\tvec3 diffuseColor;\n\tvec3 specularColor;\n\tfloat specularShininess;\n\tfloat specularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong\n#define Material_LightProbeLOD( material )\t(0)"; + +var lights_physical_fragment = "PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\nmaterial.roughness = min( material.roughness, 1.0 );\n#ifdef IOR\n\t#ifdef SPECULAR\n\t\tfloat specularIntensityFactor = specularIntensity;\n\t\tvec3 specularColorFactor = specularColor;\n\t\t#ifdef USE_SPECULARINTENSITYMAP\n\t\t\tspecularIntensityFactor *= texture2D( specularIntensityMap, vUv ).a;\n\t\t#endif\n\t\t#ifdef USE_SPECULARCOLORMAP\n\t\t\tspecularColorFactor *= texture2D( specularColorMap, vUv ).rgb;\n\t\t#endif\n\t\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\n\t#else\n\t\tfloat specularIntensityFactor = 1.0;\n\t\tvec3 specularColorFactor = vec3( 1.0 );\n\t\tmaterial.specularF90 = 1.0;\n\t#endif\n\tmaterial.specularColor = mix( min( pow2( ( ior - 1.0 ) / ( ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\n\tmaterial.specularF90 = 1.0;\n#endif\n#ifdef USE_CLEARCOAT\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\tmaterial.clearcoatF0 = vec3( 0.04 );\n\tmaterial.clearcoatF90 = 1.0;\n\t#ifdef USE_CLEARCOATMAP\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vUv ).x;\n\t#endif\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vUv ).y;\n\t#endif\n\tmaterial.clearcoat = saturate( material.clearcoat );\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_IRIDESCENCE\n\tmaterial.iridescence = iridescence;\n\tmaterial.iridescenceIOR = iridescenceIOR;\n\t#ifdef USE_IRIDESCENCEMAP\n\t\tmaterial.iridescence *= texture2D( iridescenceMap, vUv ).r;\n\t#endif\n\t#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\t\tmaterial.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vUv ).g + iridescenceThicknessMinimum;\n\t#else\n\t\tmaterial.iridescenceThickness = iridescenceThicknessMaximum;\n\t#endif\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenColor = sheenColor;\n\t#ifdef USE_SHEENCOLORMAP\n\t\tmaterial.sheenColor *= texture2D( sheenColorMap, vUv ).rgb;\n\t#endif\n\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\n\t#ifdef USE_SHEENROUGHNESSMAP\n\t\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vUv ).a;\n\t#endif\n#endif"; + +var lights_physical_pars_fragment = "struct PhysicalMaterial {\n\tvec3 diffuseColor;\n\tfloat roughness;\n\tvec3 specularColor;\n\tfloat specularF90;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat clearcoat;\n\t\tfloat clearcoatRoughness;\n\t\tvec3 clearcoatF0;\n\t\tfloat clearcoatF90;\n\t#endif\n\t#ifdef USE_IRIDESCENCE\n\t\tfloat iridescence;\n\t\tfloat iridescenceIOR;\n\t\tfloat iridescenceThickness;\n\t\tvec3 iridescenceFresnel;\n\t\tvec3 iridescenceF0;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tvec3 sheenColor;\n\t\tfloat sheenRoughness;\n\t#endif\n};\nvec3 clearcoatSpecular = vec3( 0.0 );\nvec3 sheenSpecular = vec3( 0.0 );\nfloat IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat r2 = roughness * roughness;\n\tfloat a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95;\n\tfloat b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72;\n\tfloat DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) );\n\treturn saturate( DG * RECIPROCAL_PI );\n}\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\tvec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\n\treturn fab;\n}\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\treturn specularColor * fab.x + specularF90 * fab.y;\n}\n#ifdef USE_IRIDESCENCE\nvoid computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#else\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#endif\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\t#ifdef USE_IRIDESCENCE\n\t\tvec3 Fr = mix( specularColor, iridescenceF0, iridescence );\n\t#else\n\t\tvec3 Fr = specularColor;\n\t#endif\n\tvec3 FssEss = Fr * fab.x + specularF90 * fab.y;\n\tfloat Ess = fab.x + fab.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619;\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometry.normal;\n\t\tvec3 viewDir = geometry.viewDir;\n\t\tvec3 position = geometry.position;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.roughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3( 0, 1, 0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\t\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNLcc = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = dotNLcc * directLight.color;\n\t\tclearcoatSpecular += ccIrradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.clearcoatNormal, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecular += irradiance * BRDF_Sheen( directLight.direction, geometry.viewDir, geometry.normal, material.sheenColor, material.sheenRoughness );\n\t#endif\n\t#ifdef USE_IRIDESCENCE\n\t\treflectedLight.directSpecular += irradiance * BRDF_GGX_Iridescence( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness );\n\t#else\n\t\treflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularF90, material.roughness );\n\t#endif\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatSpecular += clearcoatRadiance * EnvironmentBRDF( geometry.clearcoatNormal, geometry.viewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecular += irradiance * material.sheenColor * IBLSheenBRDF( geometry.normal, geometry.viewDir, material.sheenRoughness );\n\t#endif\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\t#ifdef USE_IRIDESCENCE\n\t\tcomputeMultiscatteringIridescence( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering );\n\t#else\n\t\tcomputeMultiscattering( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\n\t#endif\n\tvec3 totalScattering = singleScattering + multiScattering;\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) );\n\treflectedLight.indirectSpecular += radiance * singleScattering;\n\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}"; + +var lights_fragment_begin = "\nGeometricContext geometry;\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\n#ifdef USE_CLEARCOAT\n\tgeometry.clearcoatNormal = clearcoatNormal;\n#endif\n#ifdef USE_IRIDESCENCE\nfloat dotNVi = saturate( dot( normal, geometry.viewDir ) );\nif ( material.iridescenceThickness == 0.0 ) {\n\tmaterial.iridescence = 0.0;\n} else {\n\tmaterial.iridescence = saturate( material.iridescence );\n}\nif ( material.iridescence > 0.0 ) {\n\tmaterial.iridescenceFresnel = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );\n\tmaterial.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );\n}\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointLightInfo( pointLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotLightInfo( spotLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalLightInfo( directionalLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 iblIrradiance = vec3( 0.0 );\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry.normal );\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal );\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if defined( RE_IndirectSpecular )\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n#endif"; + +var lights_fragment_maps = "#if defined( RE_IndirectDiffuse )\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vUv2 );\n\t\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tiblIrradiance += getIBLIrradiance( geometry.normal );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\tradiance += getIBLRadiance( geometry.viewDir, geometry.normal, material.roughness );\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatRadiance += getIBLRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness );\n\t#endif\n#endif"; + +var lights_fragment_end = "#if defined( RE_IndirectDiffuse )\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );\n#endif"; + +var logdepthbuf_fragment = "#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tgl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif"; + +var logdepthbuf_pars_fragment = "#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif"; + +var logdepthbuf_pars_vertex = "#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t\tvarying float vIsPerspective;\n\t#else\n\t\tuniform float logDepthBufFC;\n\t#endif\n#endif"; + +var logdepthbuf_vertex = "#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n\t#else\n\t\tif ( isPerspectiveMatrix( projectionMatrix ) ) {\n\t\t\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\n\t\t\tgl_Position.z *= gl_Position.w;\n\t\t}\n\t#endif\n#endif"; + +var map_fragment = "#ifdef USE_MAP\n\tvec4 sampledDiffuseColor = texture2D( map, vUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\tsampledDiffuseColor = vec4( mix( pow( sampledDiffuseColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), sampledDiffuseColor.rgb * 0.0773993808, vec3( lessThanEqual( sampledDiffuseColor.rgb, vec3( 0.04045 ) ) ) ), sampledDiffuseColor.w );\n\t#endif\n\tdiffuseColor *= sampledDiffuseColor;\n#endif"; + +var map_pars_fragment = "#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif"; + +var map_particle_fragment = "#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n#endif\n#ifdef USE_MAP\n\tdiffuseColor *= texture2D( map, uv );\n#endif\n#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif"; + +var map_particle_pars_fragment = "#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\tuniform mat3 uvTransform;\n#endif\n#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif"; + +var metalnessmap_fragment = "float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif"; + +var metalnessmap_pars_fragment = "#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif"; + +var morphcolor_vertex = "#if defined( USE_MORPHCOLORS ) && defined( MORPHTARGETS_TEXTURE )\n\tvColor *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t#if defined( USE_COLOR_ALPHA )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];\n\t\t#elif defined( USE_COLOR )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];\n\t\t#endif\n\t}\n#endif"; + +var morphnormal_vertex = "#ifdef USE_MORPHNORMALS\n\tobjectNormal *= morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];\n\t\t}\n\t#else\n\t\tobjectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\n\t\tobjectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\n\t\tobjectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\n\t\tobjectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\n\t#endif\n#endif"; + +var morphtarget_pars_vertex = "#ifdef USE_MORPHTARGETS\n\tuniform float morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\t\tuniform sampler2DArray morphTargetsTexture;\n\t\tuniform ivec2 morphTargetsTextureSize;\n\t\tvec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\n\t\t\tint texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\n\t\t\tint y = texelIndex / morphTargetsTextureSize.x;\n\t\t\tint x = texelIndex - y * morphTargetsTextureSize.x;\n\t\t\tivec3 morphUV = ivec3( x, y, morphTargetIndex );\n\t\t\treturn texelFetch( morphTargetsTexture, morphUV, 0 );\n\t\t}\n\t#else\n\t\t#ifndef USE_MORPHNORMALS\n\t\t\tuniform float morphTargetInfluences[ 8 ];\n\t\t#else\n\t\t\tuniform float morphTargetInfluences[ 4 ];\n\t\t#endif\n\t#endif\n#endif"; + +var morphtarget_vertex = "#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\n\t\t}\n\t#else\n\t\ttransformed += morphTarget0 * morphTargetInfluences[ 0 ];\n\t\ttransformed += morphTarget1 * morphTargetInfluences[ 1 ];\n\t\ttransformed += morphTarget2 * morphTargetInfluences[ 2 ];\n\t\ttransformed += morphTarget3 * morphTargetInfluences[ 3 ];\n\t\t#ifndef USE_MORPHNORMALS\n\t\t\ttransformed += morphTarget4 * morphTargetInfluences[ 4 ];\n\t\t\ttransformed += morphTarget5 * morphTargetInfluences[ 5 ];\n\t\t\ttransformed += morphTarget6 * morphTargetInfluences[ 6 ];\n\t\t\ttransformed += morphTarget7 * morphTargetInfluences[ 7 ];\n\t\t#endif\n\t#endif\n#endif"; + +var normal_fragment_begin = "float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n#ifdef FLAT_SHADED\n\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\n\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\t#ifdef USE_TANGENT\n\t\tvec3 tangent = normalize( vTangent );\n\t\tvec3 bitangent = normalize( vBitangent );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\ttangent = tangent * faceDirection;\n\t\t\tbitangent = bitangent * faceDirection;\n\t\t#endif\n\t\t#if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tmat3 vTBN = mat3( tangent, bitangent, normal );\n\t\t#endif\n\t#endif\n#endif\nvec3 geometryNormal = normal;"; + +var normal_fragment_maps = "#ifdef OBJECTSPACE_NORMALMAP\n\tnormal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( TANGENTSPACE_NORMALMAP )\n\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\t#ifdef USE_TANGENT\n\t\tnormal = normalize( vTBN * mapN );\n\t#else\n\t\tnormal = perturbNormal2Arb( - vViewPosition, normal, mapN, faceDirection );\n\t#endif\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\n#endif"; + +var normal_pars_fragment = "#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif"; + +var normal_pars_vertex = "#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif"; + +var normal_vertex = "#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif"; + +var normalmap_pars_fragment = "#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef OBJECTSPACE_NORMALMAP\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) )\n\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN, float faceDirection ) {\n\t\tvec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );\n\t\tvec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );\n\t\tvec2 st0 = dFdx( vUv.st );\n\t\tvec2 st1 = dFdy( vUv.st );\n\t\tvec3 N = surf_norm;\n\t\tvec3 q1perp = cross( q1, N );\n\t\tvec3 q0perp = cross( N, q0 );\n\t\tvec3 T = q1perp * st0.x + q0perp * st1.x;\n\t\tvec3 B = q1perp * st0.y + q0perp * st1.y;\n\t\tfloat det = max( dot( T, T ), dot( B, B ) );\n\t\tfloat scale = ( det == 0.0 ) ? 0.0 : faceDirection * inversesqrt( det );\n\t\treturn normalize( T * ( mapN.x * scale ) + B * ( mapN.y * scale ) + N * mapN.z );\n\t}\n#endif"; + +var clearcoat_normal_fragment_begin = "#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal = geometryNormal;\n#endif"; + +var clearcoat_normal_fragment_maps = "#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\t#ifdef USE_TANGENT\n\t\tclearcoatNormal = normalize( vTBN * clearcoatMapN );\n\t#else\n\t\tclearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN, faceDirection );\n\t#endif\n#endif"; + +var clearcoat_pars_fragment = "#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif"; + +var iridescence_pars_fragment = "#ifdef USE_IRIDESCENCEMAP\n\tuniform sampler2D iridescenceMap;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform sampler2D iridescenceThicknessMap;\n#endif"; + +var output_fragment = "#ifdef OPAQUE\ndiffuseColor.a = 1.0;\n#endif\n#ifdef USE_TRANSMISSION\ndiffuseColor.a *= transmissionAlpha + 0.1;\n#endif\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );"; + +var packing = "vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nvec4 pack2HalfToRGBA( vec2 v ) {\n\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\n\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\n}\nvec2 unpackRGBATo2Half( vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n\treturn linearClipZ * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * invClipZ - far );\n}"; + +var premultiplied_alpha_fragment = "#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif"; + +var project_vertex = "vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_INSTANCING\n\tmvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;"; + +var dithering_fragment = "#ifdef DITHERING\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif"; + +var dithering_pars_fragment = "#ifdef DITHERING\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif"; + +var roughnessmap_fragment = "float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\n\troughnessFactor *= texelRoughness.g;\n#endif"; + +var roughnessmap_pars_fragment = "#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif"; + +var shadowmap_pars_fragment = "#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n\t\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\n\t}\n\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n\t\tfloat occlusion = 1.0;\n\t\tvec2 distribution = texture2DDistribution( shadow, uv );\n\t\tfloat hard_shadow = step( compare , distribution.x );\n\t\tif (hard_shadow != 1.0 ) {\n\t\t\tfloat distance = compare - distribution.x ;\n\t\t\tfloat variance = max( 0.00000, distribution.y * distribution.y );\n\t\t\tfloat softness_probability = variance / (variance + distance * distance );\t\t\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\t\t\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n\t\t}\n\t\treturn occlusion;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tfloat shadow = 1.0;\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\n\t\tbool inFrustum = all( inFrustumVec );\n\t\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n\t\tbool frustumTest = all( frustumTestVec );\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tfloat dx2 = dx0 / 2.0;\n\t\t\tfloat dy2 = dy0 / 2.0;\n\t\t\tfloat dx3 = dx1 / 2.0;\n\t\t\tfloat dy3 = dy1 / 2.0;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 17.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx = texelSize.x;\n\t\t\tfloat dy = texelSize.y;\n\t\t\tvec2 uv = shadowCoord.xy;\n\t\t\tvec2 f = fract( uv * shadowMapSize + 0.5 );\n\t\t\tuv -= f * texelSize;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ), \n\t\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t f.x ),\n\t\t\t\t\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ), \n\t\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t f.x ),\n\t\t\t\t\t f.y )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_VSM )\n\t\t\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#else\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn shadow;\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\tdp += shadowBias;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t#endif\n\t}\n#endif"; + +var shadowmap_pars_vertex = "#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n#endif"; + +var shadowmap_vertex = "#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0 || NUM_SPOT_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0\n\t\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\tvec4 shadowWorldPosition;\n\t#endif\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n#endif"; + +var shadowmask_pars_fragment = "float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tpointLight = pointLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#endif\n\treturn shadow;\n}"; + +var skinbase_vertex = "#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif"; + +var skinning_pars_vertex = "#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\tuniform highp sampler2D boneTexture;\n\tuniform int boneTextureSize;\n\tmat4 getBoneMatrix( const in float i ) {\n\t\tfloat j = i * 4.0;\n\t\tfloat x = mod( j, float( boneTextureSize ) );\n\t\tfloat y = floor( j / float( boneTextureSize ) );\n\t\tfloat dx = 1.0 / float( boneTextureSize );\n\t\tfloat dy = 1.0 / float( boneTextureSize );\n\t\ty = dy * ( y + 0.5 );\n\t\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\t\treturn bone;\n\t}\n#endif"; + +var skinning_vertex = "#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif"; + +var skinnormal_vertex = "#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\t#ifdef USE_TANGENT\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#endif\n#endif"; + +var specularmap_fragment = "float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif"; + +var specularmap_pars_fragment = "#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif"; + +var tonemapping_fragment = "#if defined( TONE_MAPPING )\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif"; + +var tonemapping_pars_fragment = "#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nvec3 LinearToneMapping( vec3 color ) {\n\treturn toneMappingExposure * color;\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 RRTAndODTFit( vec3 v ) {\n\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n\treturn a / b;\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\tconst mat3 ACESInputMat = mat3(\n\t\tvec3( 0.59719, 0.07600, 0.02840 ),\t\tvec3( 0.35458, 0.90834, 0.13383 ),\n\t\tvec3( 0.04823, 0.01566, 0.83777 )\n\t);\n\tconst mat3 ACESOutputMat = mat3(\n\t\tvec3( 1.60475, -0.10208, -0.00327 ),\t\tvec3( -0.53108, 1.10813, -0.07276 ),\n\t\tvec3( -0.07367, -0.00605, 1.07602 )\n\t);\n\tcolor *= toneMappingExposure / 0.6;\n\tcolor = ACESInputMat * color;\n\tcolor = RRTAndODTFit( color );\n\tcolor = ACESOutputMat * color;\n\treturn saturate( color );\n}\nvec3 CustomToneMapping( vec3 color ) { return color; }"; + +var transmission_fragment = "#ifdef USE_TRANSMISSION\n\tfloat transmissionAlpha = 1.0;\n\tfloat transmissionFactor = transmission;\n\tfloat thicknessFactor = thickness;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\ttransmissionFactor *= texture2D( transmissionMap, vUv ).r;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tthicknessFactor *= texture2D( thicknessMap, vUv ).g;\n\t#endif\n\tvec3 pos = vWorldPosition;\n\tvec3 v = normalize( cameraPosition - pos );\n\tvec3 n = inverseTransformDirection( normal, viewMatrix );\n\tvec4 transmission = getIBLVolumeRefraction(\n\t\tn, v, roughnessFactor, material.diffuseColor, material.specularColor, material.specularF90,\n\t\tpos, modelMatrix, viewMatrix, projectionMatrix, ior, thicknessFactor,\n\t\tattenuationColor, attenuationDistance );\n\ttotalDiffuse = mix( totalDiffuse, transmission.rgb, transmissionFactor );\n\ttransmissionAlpha = mix( transmissionAlpha, transmission.a, transmissionFactor );\n#endif"; + +var transmission_pars_fragment = "#ifdef USE_TRANSMISSION\n\tuniform float transmission;\n\tuniform float thickness;\n\tuniform float attenuationDistance;\n\tuniform vec3 attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tuniform sampler2D transmissionMap;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tuniform sampler2D thicknessMap;\n\t#endif\n\tuniform vec2 transmissionSamplerSize;\n\tuniform sampler2D transmissionSamplerMap;\n\tuniform mat4 modelMatrix;\n\tuniform mat4 projectionMatrix;\n\tvarying vec3 vWorldPosition;\n\tvec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {\n\t\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\n\t\tvec3 modelScale;\n\t\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\n\t\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\n\t\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\n\t\treturn normalize( refractionVector ) * thickness * modelScale;\n\t}\n\tfloat applyIorToRoughness( const in float roughness, const in float ior ) {\n\t\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\n\t}\n\tvec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {\n\t\tfloat framebufferLod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\n\t\t#ifdef texture2DLodEXT\n\t\t\treturn texture2DLodEXT( transmissionSamplerMap, fragCoord.xy, framebufferLod );\n\t\t#else\n\t\t\treturn texture2D( transmissionSamplerMap, fragCoord.xy, framebufferLod );\n\t\t#endif\n\t}\n\tvec3 applyVolumeAttenuation( const in vec3 radiance, const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tif ( attenuationDistance == 0.0 ) {\n\t\t\treturn radiance;\n\t\t} else {\n\t\t\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\n\t\t\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\t\t\treturn transmittance * radiance;\n\t\t}\n\t}\n\tvec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,\n\t\tconst in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,\n\t\tconst in mat4 viewMatrix, const in mat4 projMatrix, const in float ior, const in float thickness,\n\t\tconst in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\n\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\trefractionCoords += 1.0;\n\t\trefractionCoords /= 2.0;\n\t\tvec4 transmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\n\t\tvec3 attenuatedColor = applyVolumeAttenuation( transmittedLight.rgb, length( transmissionRay ), attenuationColor, attenuationDistance );\n\t\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\n\t\treturn vec4( ( 1.0 - F ) * attenuatedColor * diffuseColor, transmittedLight.a );\n\t}\n#endif"; + +var uv_pars_fragment = "#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) )\n\tvarying vec2 vUv;\n#endif"; + +var uv_pars_vertex = "#ifdef USE_UV\n\t#ifdef UVS_VERTEX_ONLY\n\t\tvec2 vUv;\n\t#else\n\t\tvarying vec2 vUv;\n\t#endif\n\tuniform mat3 uvTransform;\n#endif"; + +var uv_vertex = "#ifdef USE_UV\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n#endif"; + +var uv2_pars_fragment = "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvarying vec2 vUv2;\n#endif"; + +var uv2_pars_vertex = "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tattribute vec2 uv2;\n\tvarying vec2 vUv2;\n\tuniform mat3 uv2Transform;\n#endif"; + +var uv2_vertex = "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvUv2 = ( uv2Transform * vec3( uv2, 1 ) ).xy;\n#endif"; + +var worldpos_vertex = "#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION )\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\t#ifdef USE_INSTANCING\n\t\tworldPosition = instanceMatrix * worldPosition;\n\t#endif\n\tworldPosition = modelMatrix * worldPosition;\n#endif"; + +const vertex$g = "varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n}"; + +const fragment$g = "uniform sampler2D t2D;\nvarying vec2 vUv;\nvoid main() {\n\tgl_FragColor = texture2D( t2D, vUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\tgl_FragColor = vec4( mix( pow( gl_FragColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), gl_FragColor.rgb * 0.0773993808, vec3( lessThanEqual( gl_FragColor.rgb, vec3( 0.04045 ) ) ) ), gl_FragColor.w );\n\t#endif\n\t#include \n\t#include \n}"; + +const vertex$f = "varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n\tgl_Position.z = gl_Position.w;\n}"; + +const fragment$f = "#include \nuniform float opacity;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvec3 vReflect = vWorldDirection;\n\t#include \n\tgl_FragColor = envColor;\n\tgl_FragColor.a *= opacity;\n\t#include \n\t#include \n}"; + +const vertex$e = "#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvHighPrecisionZW = gl_Position.zw;\n}"; + +const fragment$e = "#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( 1.0 );\n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\t#endif\n}"; + +const vertex$d = "#define DISTANCE\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvWorldPosition = worldPosition.xyz;\n}"; + +const fragment$d = "#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main () {\n\t#include \n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include \n\t#include \n\t#include \n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = packDepthToRGBA( dist );\n}"; + +const vertex$c = "varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n}"; + +const fragment$c = "uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV = equirectUv( direction );\n\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\t#include \n\t#include \n}"; + +const vertex$b = "uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvLineDistance = scale * lineDistance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; + +const fragment$b = "uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; + +const vertex$a = "#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\n\t\t#include \n\t\t#include \n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; + +const fragment$a = "uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vUv2 );\n\t\treflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include \n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; + +const vertex$9 = "#define LAMBERT\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; + +const fragment$9 = "uniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.indirectDiffuse += ( gl_FrontFacing ) ? vIndirectFront : vIndirectBack;\n\t#else\n\t\treflectedLight.indirectDiffuse += vIndirectFront;\n\t#endif\n\t#include \n\treflectedLight.indirectDiffuse *= BRDF_Lambert( diffuseColor.rgb );\n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\n\t#else\n\t\treflectedLight.directDiffuse = vLightFront;\n\t#endif\n\treflectedLight.directDiffuse *= BRDF_Lambert( diffuseColor.rgb ) * getShadowMask();\n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; + +const vertex$8 = "#define MATCAP\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n}"; + +const fragment$8 = "#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n\t#ifdef USE_MATCAP\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t#else\n\t\tvec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; + +const vertex$7 = "#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}"; + +const fragment$7 = "#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\n\t#ifdef OPAQUE\n\t\tgl_FragColor.a = 1.0;\n\t#endif\n}"; + +const vertex$6 = "#define PHONG\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n\t#include \n}"; + +const fragment$6 = "#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; + +const vertex$5 = "#define STANDARD\nvarying vec3 vViewPosition;\n#ifdef USE_TRANSMISSION\n\tvarying vec3 vWorldPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n#ifdef USE_TRANSMISSION\n\tvWorldPosition = worldPosition.xyz;\n#endif\n}"; + +const fragment$5 = "#define STANDARD\n#ifdef PHYSICAL\n\t#define IOR\n\t#define SPECULAR\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef IOR\n\tuniform float ior;\n#endif\n#ifdef SPECULAR\n\tuniform float specularIntensity;\n\tuniform vec3 specularColor;\n\t#ifdef USE_SPECULARINTENSITYMAP\n\t\tuniform sampler2D specularIntensityMap;\n\t#endif\n\t#ifdef USE_SPECULARCOLORMAP\n\t\tuniform sampler2D specularColorMap;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_IRIDESCENCE\n\tuniform float iridescence;\n\tuniform float iridescenceIOR;\n\tuniform float iridescenceThicknessMinimum;\n\tuniform float iridescenceThicknessMaximum;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheenColor;\n\tuniform float sheenRoughness;\n\t#ifdef USE_SHEENCOLORMAP\n\t\tuniform sampler2D sheenColorMap;\n\t#endif\n\t#ifdef USE_SHEENROUGHNESSMAP\n\t\tuniform sampler2D sheenRoughnessMap;\n\t#endif\n#endif\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\n\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\n\t#include \n\tvec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\n\t#ifdef USE_SHEEN\n\t\tfloat sheenEnergyComp = 1.0 - 0.157 * max3( material.sheenColor );\n\t\toutgoingLight = outgoingLight * sheenEnergyComp + sheenSpecular;\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNVcc = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\n\t\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\n\t\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + clearcoatSpecular * material.clearcoat;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; + +const vertex$4 = "#define TOON\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n}"; + +const fragment$4 = "#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; + +const vertex$3 = "uniform float size;\nuniform float scale;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_PointSize = size;\n\t#ifdef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n}"; + +const fragment$3 = "uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; + +const vertex$2 = "#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; + +const fragment$2 = "uniform vec3 color;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include \n\t#include \n\t#include \n}"; + +const vertex$1 = "uniform float rotation;\nuniform vec2 center;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n\tvec2 scale;\n\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\n\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\n\t#ifndef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) scale *= - mvPosition.z;\n\t#endif\n\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n\tvec2 rotatedPosition;\n\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n\tmvPosition.xy += rotatedPosition;\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include \n\t#include \n\t#include \n}"; + +const fragment$1 = "uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n}"; + +const ShaderChunk = { + alphamap_fragment: alphamap_fragment, + alphamap_pars_fragment: alphamap_pars_fragment, + alphatest_fragment: alphatest_fragment, + alphatest_pars_fragment: alphatest_pars_fragment, + aomap_fragment: aomap_fragment, + aomap_pars_fragment: aomap_pars_fragment, + begin_vertex: begin_vertex, + beginnormal_vertex: beginnormal_vertex, + bsdfs: bsdfs, + iridescence_fragment: iridescence_fragment, + bumpmap_pars_fragment: bumpmap_pars_fragment, + clipping_planes_fragment: clipping_planes_fragment, + clipping_planes_pars_fragment: clipping_planes_pars_fragment, + clipping_planes_pars_vertex: clipping_planes_pars_vertex, + clipping_planes_vertex: clipping_planes_vertex, + color_fragment: color_fragment, + color_pars_fragment: color_pars_fragment, + color_pars_vertex: color_pars_vertex, + color_vertex: color_vertex, + common: common, + cube_uv_reflection_fragment: cube_uv_reflection_fragment, + defaultnormal_vertex: defaultnormal_vertex, + displacementmap_pars_vertex: displacementmap_pars_vertex, + displacementmap_vertex: displacementmap_vertex, + emissivemap_fragment: emissivemap_fragment, + emissivemap_pars_fragment: emissivemap_pars_fragment, + encodings_fragment: encodings_fragment, + encodings_pars_fragment: encodings_pars_fragment, + envmap_fragment: envmap_fragment, + envmap_common_pars_fragment: envmap_common_pars_fragment, + envmap_pars_fragment: envmap_pars_fragment, + envmap_pars_vertex: envmap_pars_vertex, + envmap_physical_pars_fragment: envmap_physical_pars_fragment, + envmap_vertex: envmap_vertex, + fog_vertex: fog_vertex, + fog_pars_vertex: fog_pars_vertex, + fog_fragment: fog_fragment, + fog_pars_fragment: fog_pars_fragment, + gradientmap_pars_fragment: gradientmap_pars_fragment, + lightmap_fragment: lightmap_fragment, + lightmap_pars_fragment: lightmap_pars_fragment, + lights_lambert_vertex: lights_lambert_vertex, + lights_pars_begin: lights_pars_begin, + lights_toon_fragment: lights_toon_fragment, + lights_toon_pars_fragment: lights_toon_pars_fragment, + lights_phong_fragment: lights_phong_fragment, + lights_phong_pars_fragment: lights_phong_pars_fragment, + lights_physical_fragment: lights_physical_fragment, + lights_physical_pars_fragment: lights_physical_pars_fragment, + lights_fragment_begin: lights_fragment_begin, + lights_fragment_maps: lights_fragment_maps, + lights_fragment_end: lights_fragment_end, + logdepthbuf_fragment: logdepthbuf_fragment, + logdepthbuf_pars_fragment: logdepthbuf_pars_fragment, + logdepthbuf_pars_vertex: logdepthbuf_pars_vertex, + logdepthbuf_vertex: logdepthbuf_vertex, + map_fragment: map_fragment, + map_pars_fragment: map_pars_fragment, + map_particle_fragment: map_particle_fragment, + map_particle_pars_fragment: map_particle_pars_fragment, + metalnessmap_fragment: metalnessmap_fragment, + metalnessmap_pars_fragment: metalnessmap_pars_fragment, + morphcolor_vertex: morphcolor_vertex, + morphnormal_vertex: morphnormal_vertex, + morphtarget_pars_vertex: morphtarget_pars_vertex, + morphtarget_vertex: morphtarget_vertex, + normal_fragment_begin: normal_fragment_begin, + normal_fragment_maps: normal_fragment_maps, + normal_pars_fragment: normal_pars_fragment, + normal_pars_vertex: normal_pars_vertex, + normal_vertex: normal_vertex, + normalmap_pars_fragment: normalmap_pars_fragment, + clearcoat_normal_fragment_begin: clearcoat_normal_fragment_begin, + clearcoat_normal_fragment_maps: clearcoat_normal_fragment_maps, + clearcoat_pars_fragment: clearcoat_pars_fragment, + iridescence_pars_fragment: iridescence_pars_fragment, + output_fragment: output_fragment, + packing: packing, + premultiplied_alpha_fragment: premultiplied_alpha_fragment, + project_vertex: project_vertex, + dithering_fragment: dithering_fragment, + dithering_pars_fragment: dithering_pars_fragment, + roughnessmap_fragment: roughnessmap_fragment, + roughnessmap_pars_fragment: roughnessmap_pars_fragment, + shadowmap_pars_fragment: shadowmap_pars_fragment, + shadowmap_pars_vertex: shadowmap_pars_vertex, + shadowmap_vertex: shadowmap_vertex, + shadowmask_pars_fragment: shadowmask_pars_fragment, + skinbase_vertex: skinbase_vertex, + skinning_pars_vertex: skinning_pars_vertex, + skinning_vertex: skinning_vertex, + skinnormal_vertex: skinnormal_vertex, + specularmap_fragment: specularmap_fragment, + specularmap_pars_fragment: specularmap_pars_fragment, + tonemapping_fragment: tonemapping_fragment, + tonemapping_pars_fragment: tonemapping_pars_fragment, + transmission_fragment: transmission_fragment, + transmission_pars_fragment: transmission_pars_fragment, + uv_pars_fragment: uv_pars_fragment, + uv_pars_vertex: uv_pars_vertex, + uv_vertex: uv_vertex, + uv2_pars_fragment: uv2_pars_fragment, + uv2_pars_vertex: uv2_pars_vertex, + uv2_vertex: uv2_vertex, + worldpos_vertex: worldpos_vertex, + + background_vert: vertex$g, + background_frag: fragment$g, + cube_vert: vertex$f, + cube_frag: fragment$f, + depth_vert: vertex$e, + depth_frag: fragment$e, + distanceRGBA_vert: vertex$d, + distanceRGBA_frag: fragment$d, + equirect_vert: vertex$c, + equirect_frag: fragment$c, + linedashed_vert: vertex$b, + linedashed_frag: fragment$b, + meshbasic_vert: vertex$a, + meshbasic_frag: fragment$a, + meshlambert_vert: vertex$9, + meshlambert_frag: fragment$9, + meshmatcap_vert: vertex$8, + meshmatcap_frag: fragment$8, + meshnormal_vert: vertex$7, + meshnormal_frag: fragment$7, + meshphong_vert: vertex$6, + meshphong_frag: fragment$6, + meshphysical_vert: vertex$5, + meshphysical_frag: fragment$5, + meshtoon_vert: vertex$4, + meshtoon_frag: fragment$4, + points_vert: vertex$3, + points_frag: fragment$3, + shadow_vert: vertex$2, + shadow_frag: fragment$2, + sprite_vert: vertex$1, + sprite_frag: fragment$1 +}; + +/** + * Uniforms library for shared webgl shaders + */ + +const UniformsLib = { + + common: { + + diffuse: { value: /*@__PURE__*/ new Color( 0xffffff ) }, + opacity: { value: 1.0 }, + + map: { value: null }, + uvTransform: { value: /*@__PURE__*/ new Matrix3() }, + uv2Transform: { value: /*@__PURE__*/ new Matrix3() }, + + alphaMap: { value: null }, + alphaTest: { value: 0 } + + }, + + specularmap: { + + specularMap: { value: null }, + + }, + + envmap: { + + envMap: { value: null }, + flipEnvMap: { value: - 1 }, + reflectivity: { value: 1.0 }, // basic, lambert, phong + ior: { value: 1.5 }, // physical + refractionRatio: { value: 0.98 } // basic, lambert, phong + + }, + + aomap: { + + aoMap: { value: null }, + aoMapIntensity: { value: 1 } + + }, + + lightmap: { + + lightMap: { value: null }, + lightMapIntensity: { value: 1 } + + }, + + emissivemap: { + + emissiveMap: { value: null } + + }, + + bumpmap: { + + bumpMap: { value: null }, + bumpScale: { value: 1 } + + }, + + normalmap: { + + normalMap: { value: null }, + normalScale: { value: /*@__PURE__*/ new Vector2( 1, 1 ) } + + }, + + displacementmap: { + + displacementMap: { value: null }, + displacementScale: { value: 1 }, + displacementBias: { value: 0 } + + }, + + roughnessmap: { + + roughnessMap: { value: null } + + }, + + metalnessmap: { + + metalnessMap: { value: null } + + }, + + gradientmap: { + + gradientMap: { value: null } + + }, + + fog: { + + fogDensity: { value: 0.00025 }, + fogNear: { value: 1 }, + fogFar: { value: 2000 }, + fogColor: { value: /*@__PURE__*/ new Color( 0xffffff ) } + + }, + + lights: { + + ambientLightColor: { value: [] }, + + lightProbe: { value: [] }, + + directionalLights: { value: [], properties: { + direction: {}, + color: {} + } }, + + directionalLightShadows: { value: [], properties: { + shadowBias: {}, + shadowNormalBias: {}, + shadowRadius: {}, + shadowMapSize: {} + } }, + + directionalShadowMap: { value: [] }, + directionalShadowMatrix: { value: [] }, + + spotLights: { value: [], properties: { + color: {}, + position: {}, + direction: {}, + distance: {}, + coneCos: {}, + penumbraCos: {}, + decay: {} + } }, + + spotLightShadows: { value: [], properties: { + shadowBias: {}, + shadowNormalBias: {}, + shadowRadius: {}, + shadowMapSize: {} + } }, + + spotShadowMap: { value: [] }, + spotShadowMatrix: { value: [] }, + + pointLights: { value: [], properties: { + color: {}, + position: {}, + decay: {}, + distance: {} + } }, + + pointLightShadows: { value: [], properties: { + shadowBias: {}, + shadowNormalBias: {}, + shadowRadius: {}, + shadowMapSize: {}, + shadowCameraNear: {}, + shadowCameraFar: {} + } }, + + pointShadowMap: { value: [] }, + pointShadowMatrix: { value: [] }, + + hemisphereLights: { value: [], properties: { + direction: {}, + skyColor: {}, + groundColor: {} + } }, + + // TODO (abelnation): RectAreaLight BRDF data needs to be moved from example to main src + rectAreaLights: { value: [], properties: { + color: {}, + position: {}, + width: {}, + height: {} + } }, + + ltc_1: { value: null }, + ltc_2: { value: null } + + }, + + points: { + + diffuse: { value: /*@__PURE__*/ new Color( 0xffffff ) }, + opacity: { value: 1.0 }, + size: { value: 1.0 }, + scale: { value: 1.0 }, + map: { value: null }, + alphaMap: { value: null }, + alphaTest: { value: 0 }, + uvTransform: { value: /*@__PURE__*/ new Matrix3() } + + }, + + sprite: { + + diffuse: { value: /*@__PURE__*/ new Color( 0xffffff ) }, + opacity: { value: 1.0 }, + center: { value: /*@__PURE__*/ new Vector2( 0.5, 0.5 ) }, + rotation: { value: 0.0 }, + map: { value: null }, + alphaMap: { value: null }, + alphaTest: { value: 0 }, + uvTransform: { value: /*@__PURE__*/ new Matrix3() } + + } + +}; + +const ShaderLib = { + + basic: { + + uniforms: /*@__PURE__*/ mergeUniforms( [ + UniformsLib.common, + UniformsLib.specularmap, + UniformsLib.envmap, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.fog + ] ), + + vertexShader: ShaderChunk.meshbasic_vert, + fragmentShader: ShaderChunk.meshbasic_frag + + }, + + lambert: { + + uniforms: /*@__PURE__*/ mergeUniforms( [ + UniformsLib.common, + UniformsLib.specularmap, + UniformsLib.envmap, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.emissivemap, + UniformsLib.fog, + UniformsLib.lights, + { + emissive: { value: /*@__PURE__*/ new Color( 0x000000 ) } + } + ] ), + + vertexShader: ShaderChunk.meshlambert_vert, + fragmentShader: ShaderChunk.meshlambert_frag + + }, + + phong: { + + uniforms: /*@__PURE__*/ mergeUniforms( [ + UniformsLib.common, + UniformsLib.specularmap, + UniformsLib.envmap, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.emissivemap, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + UniformsLib.fog, + UniformsLib.lights, + { + emissive: { value: /*@__PURE__*/ new Color( 0x000000 ) }, + specular: { value: /*@__PURE__*/ new Color( 0x111111 ) }, + shininess: { value: 30 } + } + ] ), + + vertexShader: ShaderChunk.meshphong_vert, + fragmentShader: ShaderChunk.meshphong_frag + + }, + + standard: { + + uniforms: /*@__PURE__*/ mergeUniforms( [ + UniformsLib.common, + UniformsLib.envmap, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.emissivemap, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + UniformsLib.roughnessmap, + UniformsLib.metalnessmap, + UniformsLib.fog, + UniformsLib.lights, + { + emissive: { value: /*@__PURE__*/ new Color( 0x000000 ) }, + roughness: { value: 1.0 }, + metalness: { value: 0.0 }, + envMapIntensity: { value: 1 } // temporary + } + ] ), + + vertexShader: ShaderChunk.meshphysical_vert, + fragmentShader: ShaderChunk.meshphysical_frag + + }, + + toon: { + + uniforms: /*@__PURE__*/ mergeUniforms( [ + UniformsLib.common, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.emissivemap, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + UniformsLib.gradientmap, + UniformsLib.fog, + UniformsLib.lights, + { + emissive: { value: /*@__PURE__*/ new Color( 0x000000 ) } + } + ] ), + + vertexShader: ShaderChunk.meshtoon_vert, + fragmentShader: ShaderChunk.meshtoon_frag + + }, + + matcap: { + + uniforms: /*@__PURE__*/ mergeUniforms( [ + UniformsLib.common, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + UniformsLib.fog, + { + matcap: { value: null } + } + ] ), + + vertexShader: ShaderChunk.meshmatcap_vert, + fragmentShader: ShaderChunk.meshmatcap_frag + + }, + + points: { + + uniforms: /*@__PURE__*/ mergeUniforms( [ + UniformsLib.points, + UniformsLib.fog + ] ), + + vertexShader: ShaderChunk.points_vert, + fragmentShader: ShaderChunk.points_frag + + }, + + dashed: { + + uniforms: /*@__PURE__*/ mergeUniforms( [ + UniformsLib.common, + UniformsLib.fog, + { + scale: { value: 1 }, + dashSize: { value: 1 }, + totalSize: { value: 2 } + } + ] ), + + vertexShader: ShaderChunk.linedashed_vert, + fragmentShader: ShaderChunk.linedashed_frag + + }, + + depth: { + + uniforms: /*@__PURE__*/ mergeUniforms( [ + UniformsLib.common, + UniformsLib.displacementmap + ] ), + + vertexShader: ShaderChunk.depth_vert, + fragmentShader: ShaderChunk.depth_frag + + }, + + normal: { + + uniforms: /*@__PURE__*/ mergeUniforms( [ + UniformsLib.common, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + { + opacity: { value: 1.0 } + } + ] ), + + vertexShader: ShaderChunk.meshnormal_vert, + fragmentShader: ShaderChunk.meshnormal_frag + + }, + + sprite: { + + uniforms: /*@__PURE__*/ mergeUniforms( [ + UniformsLib.sprite, + UniformsLib.fog + ] ), + + vertexShader: ShaderChunk.sprite_vert, + fragmentShader: ShaderChunk.sprite_frag + + }, + + background: { + + uniforms: { + uvTransform: { value: /*@__PURE__*/ new Matrix3() }, + t2D: { value: null }, + }, + + vertexShader: ShaderChunk.background_vert, + fragmentShader: ShaderChunk.background_frag + + }, + + cube: { + + uniforms: /*@__PURE__*/ mergeUniforms( [ + UniformsLib.envmap, + { + opacity: { value: 1.0 } + } + ] ), + + vertexShader: ShaderChunk.cube_vert, + fragmentShader: ShaderChunk.cube_frag + + }, + + equirect: { + + uniforms: { + tEquirect: { value: null }, + }, + + vertexShader: ShaderChunk.equirect_vert, + fragmentShader: ShaderChunk.equirect_frag + + }, + + distanceRGBA: { + + uniforms: /*@__PURE__*/ mergeUniforms( [ + UniformsLib.common, + UniformsLib.displacementmap, + { + referencePosition: { value: /*@__PURE__*/ new Vector3() }, + nearDistance: { value: 1 }, + farDistance: { value: 1000 } + } + ] ), + + vertexShader: ShaderChunk.distanceRGBA_vert, + fragmentShader: ShaderChunk.distanceRGBA_frag + + }, + + shadow: { + + uniforms: /*@__PURE__*/ mergeUniforms( [ + UniformsLib.lights, + UniformsLib.fog, + { + color: { value: /*@__PURE__*/ new Color( 0x00000 ) }, + opacity: { value: 1.0 } + }, + ] ), + + vertexShader: ShaderChunk.shadow_vert, + fragmentShader: ShaderChunk.shadow_frag + + } + +}; + +ShaderLib.physical = { + + uniforms: /*@__PURE__*/ mergeUniforms( [ + ShaderLib.standard.uniforms, + { + clearcoat: { value: 0 }, + clearcoatMap: { value: null }, + clearcoatRoughness: { value: 0 }, + clearcoatRoughnessMap: { value: null }, + clearcoatNormalScale: { value: /*@__PURE__*/ new Vector2( 1, 1 ) }, + clearcoatNormalMap: { value: null }, + iridescence: { value: 0 }, + iridescenceMap: { value: null }, + iridescenceIOR: { value: 1.3 }, + iridescenceThicknessMinimum: { value: 100 }, + iridescenceThicknessMaximum: { value: 400 }, + iridescenceThicknessMap: { value: null }, + sheen: { value: 0 }, + sheenColor: { value: /*@__PURE__*/ new Color( 0x000000 ) }, + sheenColorMap: { value: null }, + sheenRoughness: { value: 1 }, + sheenRoughnessMap: { value: null }, + transmission: { value: 0 }, + transmissionMap: { value: null }, + transmissionSamplerSize: { value: /*@__PURE__*/ new Vector2() }, + transmissionSamplerMap: { value: null }, + thickness: { value: 0 }, + thicknessMap: { value: null }, + attenuationDistance: { value: 0 }, + attenuationColor: { value: /*@__PURE__*/ new Color( 0x000000 ) }, + specularIntensity: { value: 1 }, + specularIntensityMap: { value: null }, + specularColor: { value: /*@__PURE__*/ new Color( 1, 1, 1 ) }, + specularColorMap: { value: null }, + } + ] ), + + vertexShader: ShaderChunk.meshphysical_vert, + fragmentShader: ShaderChunk.meshphysical_frag + +}; + +function WebGLBackground( renderer, cubemaps, state, objects, alpha, premultipliedAlpha ) { + + const clearColor = new Color( 0x000000 ); + let clearAlpha = alpha === true ? 0 : 1; + + let planeMesh; + let boxMesh; + + let currentBackground = null; + let currentBackgroundVersion = 0; + let currentTonemapping = null; + + function render( renderList, scene ) { + + let forceClear = false; + let background = scene.isScene === true ? scene.background : null; + + if ( background && background.isTexture ) { + + background = cubemaps.get( background ); + + } + + // Ignore background in AR + // TODO: Reconsider this. + + const xr = renderer.xr; + const session = xr.getSession && xr.getSession(); + + if ( session && session.environmentBlendMode === 'additive' ) { + + background = null; + + } + + if ( background === null ) { + + setClear( clearColor, clearAlpha ); + + } else if ( background && background.isColor ) { + + setClear( background, 1 ); + forceClear = true; + + } + + if ( renderer.autoClear || forceClear ) { + + renderer.clear( renderer.autoClearColor, renderer.autoClearDepth, renderer.autoClearStencil ); + + } + + if ( background && ( background.isCubeTexture || background.mapping === CubeUVReflectionMapping ) ) { + + if ( boxMesh === undefined ) { + + boxMesh = new Mesh( + new BoxGeometry( 1, 1, 1 ), + new ShaderMaterial( { + name: 'BackgroundCubeMaterial', + uniforms: cloneUniforms( ShaderLib.cube.uniforms ), + vertexShader: ShaderLib.cube.vertexShader, + fragmentShader: ShaderLib.cube.fragmentShader, + side: BackSide, + depthTest: false, + depthWrite: false, + fog: false + } ) + ); + + boxMesh.geometry.deleteAttribute( 'normal' ); + boxMesh.geometry.deleteAttribute( 'uv' ); + + boxMesh.onBeforeRender = function ( renderer, scene, camera ) { + + this.matrixWorld.copyPosition( camera.matrixWorld ); + + }; + + // enable code injection for non-built-in material + Object.defineProperty( boxMesh.material, 'envMap', { + + get: function () { + + return this.uniforms.envMap.value; + + } + + } ); + + objects.update( boxMesh ); + + } + + boxMesh.material.uniforms.envMap.value = background; + boxMesh.material.uniforms.flipEnvMap.value = ( background.isCubeTexture && background.isRenderTargetTexture === false ) ? - 1 : 1; + + if ( currentBackground !== background || + currentBackgroundVersion !== background.version || + currentTonemapping !== renderer.toneMapping ) { + + boxMesh.material.needsUpdate = true; + + currentBackground = background; + currentBackgroundVersion = background.version; + currentTonemapping = renderer.toneMapping; + + } + + boxMesh.layers.enableAll(); + + // push to the pre-sorted opaque render list + renderList.unshift( boxMesh, boxMesh.geometry, boxMesh.material, 0, 0, null ); + + } else if ( background && background.isTexture ) { + + if ( planeMesh === undefined ) { + + planeMesh = new Mesh( + new PlaneGeometry( 2, 2 ), + new ShaderMaterial( { + name: 'BackgroundMaterial', + uniforms: cloneUniforms( ShaderLib.background.uniforms ), + vertexShader: ShaderLib.background.vertexShader, + fragmentShader: ShaderLib.background.fragmentShader, + side: FrontSide, + depthTest: false, + depthWrite: false, + fog: false + } ) + ); + + planeMesh.geometry.deleteAttribute( 'normal' ); + + // enable code injection for non-built-in material + Object.defineProperty( planeMesh.material, 'map', { + + get: function () { + + return this.uniforms.t2D.value; + + } + + } ); + + objects.update( planeMesh ); + + } + + planeMesh.material.uniforms.t2D.value = background; + + if ( background.matrixAutoUpdate === true ) { + + background.updateMatrix(); + + } + + planeMesh.material.uniforms.uvTransform.value.copy( background.matrix ); + + if ( currentBackground !== background || + currentBackgroundVersion !== background.version || + currentTonemapping !== renderer.toneMapping ) { + + planeMesh.material.needsUpdate = true; + + currentBackground = background; + currentBackgroundVersion = background.version; + currentTonemapping = renderer.toneMapping; + + } + + planeMesh.layers.enableAll(); + + // push to the pre-sorted opaque render list + renderList.unshift( planeMesh, planeMesh.geometry, planeMesh.material, 0, 0, null ); + + } + + } + + function setClear( color, alpha ) { + + state.buffers.color.setClear( color.r, color.g, color.b, alpha, premultipliedAlpha ); + + } + + return { + + getClearColor: function () { + + return clearColor; + + }, + setClearColor: function ( color, alpha = 1 ) { + + clearColor.set( color ); + clearAlpha = alpha; + setClear( clearColor, clearAlpha ); + + }, + getClearAlpha: function () { + + return clearAlpha; + + }, + setClearAlpha: function ( alpha ) { + + clearAlpha = alpha; + setClear( clearColor, clearAlpha ); + + }, + render: render + + }; + +} + +function WebGLBindingStates( gl, extensions, attributes, capabilities ) { + + const maxVertexAttributes = gl.getParameter( 34921 ); + + const extension = capabilities.isWebGL2 ? null : extensions.get( 'OES_vertex_array_object' ); + const vaoAvailable = capabilities.isWebGL2 || extension !== null; + + const bindingStates = {}; + + const defaultState = createBindingState( null ); + let currentState = defaultState; + let forceUpdate = false; + + function setup( object, material, program, geometry, index ) { + + let updateBuffers = false; + + if ( vaoAvailable ) { + + const state = getBindingState( geometry, program, material ); + + if ( currentState !== state ) { + + currentState = state; + bindVertexArrayObject( currentState.object ); + + } + + updateBuffers = needsUpdate( object, geometry, program, index ); + + if ( updateBuffers ) saveCache( object, geometry, program, index ); + + } else { + + const wireframe = ( material.wireframe === true ); + + if ( currentState.geometry !== geometry.id || + currentState.program !== program.id || + currentState.wireframe !== wireframe ) { + + currentState.geometry = geometry.id; + currentState.program = program.id; + currentState.wireframe = wireframe; + + updateBuffers = true; + + } + + } + + if ( index !== null ) { + + attributes.update( index, 34963 ); + + } + + if ( updateBuffers || forceUpdate ) { + + forceUpdate = false; + + setupVertexAttributes( object, material, program, geometry ); + + if ( index !== null ) { + + gl.bindBuffer( 34963, attributes.get( index ).buffer ); + + } + + } + + } + + function createVertexArrayObject() { + + if ( capabilities.isWebGL2 ) return gl.createVertexArray(); + + return extension.createVertexArrayOES(); + + } + + function bindVertexArrayObject( vao ) { + + if ( capabilities.isWebGL2 ) return gl.bindVertexArray( vao ); + + return extension.bindVertexArrayOES( vao ); + + } + + function deleteVertexArrayObject( vao ) { + + if ( capabilities.isWebGL2 ) return gl.deleteVertexArray( vao ); + + return extension.deleteVertexArrayOES( vao ); + + } + + function getBindingState( geometry, program, material ) { + + const wireframe = ( material.wireframe === true ); + + let programMap = bindingStates[ geometry.id ]; + + if ( programMap === undefined ) { + + programMap = {}; + bindingStates[ geometry.id ] = programMap; + + } + + let stateMap = programMap[ program.id ]; + + if ( stateMap === undefined ) { + + stateMap = {}; + programMap[ program.id ] = stateMap; + + } + + let state = stateMap[ wireframe ]; + + if ( state === undefined ) { + + state = createBindingState( createVertexArrayObject() ); + stateMap[ wireframe ] = state; + + } + + return state; + + } + + function createBindingState( vao ) { + + const newAttributes = []; + const enabledAttributes = []; + const attributeDivisors = []; + + for ( let i = 0; i < maxVertexAttributes; i ++ ) { + + newAttributes[ i ] = 0; + enabledAttributes[ i ] = 0; + attributeDivisors[ i ] = 0; + + } + + return { + + // for backward compatibility on non-VAO support browser + geometry: null, + program: null, + wireframe: false, + + newAttributes: newAttributes, + enabledAttributes: enabledAttributes, + attributeDivisors: attributeDivisors, + object: vao, + attributes: {}, + index: null + + }; + + } + + function needsUpdate( object, geometry, program, index ) { + + const cachedAttributes = currentState.attributes; + const geometryAttributes = geometry.attributes; + + let attributesNum = 0; + + const programAttributes = program.getAttributes(); + + for ( const name in programAttributes ) { + + const programAttribute = programAttributes[ name ]; + + if ( programAttribute.location >= 0 ) { + + const cachedAttribute = cachedAttributes[ name ]; + let geometryAttribute = geometryAttributes[ name ]; + + if ( geometryAttribute === undefined ) { + + if ( name === 'instanceMatrix' && object.instanceMatrix ) geometryAttribute = object.instanceMatrix; + if ( name === 'instanceColor' && object.instanceColor ) geometryAttribute = object.instanceColor; + + } + + if ( cachedAttribute === undefined ) return true; + + if ( cachedAttribute.attribute !== geometryAttribute ) return true; + + if ( geometryAttribute && cachedAttribute.data !== geometryAttribute.data ) return true; + + attributesNum ++; + + } + + } + + if ( currentState.attributesNum !== attributesNum ) return true; + + if ( currentState.index !== index ) return true; + + return false; + + } + + function saveCache( object, geometry, program, index ) { + + const cache = {}; + const attributes = geometry.attributes; + let attributesNum = 0; + + const programAttributes = program.getAttributes(); + + for ( const name in programAttributes ) { + + const programAttribute = programAttributes[ name ]; + + if ( programAttribute.location >= 0 ) { + + let attribute = attributes[ name ]; + + if ( attribute === undefined ) { + + if ( name === 'instanceMatrix' && object.instanceMatrix ) attribute = object.instanceMatrix; + if ( name === 'instanceColor' && object.instanceColor ) attribute = object.instanceColor; + + } + + const data = {}; + data.attribute = attribute; + + if ( attribute && attribute.data ) { + + data.data = attribute.data; + + } + + cache[ name ] = data; + + attributesNum ++; + + } + + } + + currentState.attributes = cache; + currentState.attributesNum = attributesNum; + + currentState.index = index; + + } + + function initAttributes() { + + const newAttributes = currentState.newAttributes; + + for ( let i = 0, il = newAttributes.length; i < il; i ++ ) { + + newAttributes[ i ] = 0; + + } + + } + + function enableAttribute( attribute ) { + + enableAttributeAndDivisor( attribute, 0 ); + + } + + function enableAttributeAndDivisor( attribute, meshPerAttribute ) { + + const newAttributes = currentState.newAttributes; + const enabledAttributes = currentState.enabledAttributes; + const attributeDivisors = currentState.attributeDivisors; + + newAttributes[ attribute ] = 1; + + if ( enabledAttributes[ attribute ] === 0 ) { + + gl.enableVertexAttribArray( attribute ); + enabledAttributes[ attribute ] = 1; + + } + + if ( attributeDivisors[ attribute ] !== meshPerAttribute ) { + + const extension = capabilities.isWebGL2 ? gl : extensions.get( 'ANGLE_instanced_arrays' ); + + extension[ capabilities.isWebGL2 ? 'vertexAttribDivisor' : 'vertexAttribDivisorANGLE' ]( attribute, meshPerAttribute ); + attributeDivisors[ attribute ] = meshPerAttribute; + + } + + } + + function disableUnusedAttributes() { + + const newAttributes = currentState.newAttributes; + const enabledAttributes = currentState.enabledAttributes; + + for ( let i = 0, il = enabledAttributes.length; i < il; i ++ ) { + + if ( enabledAttributes[ i ] !== newAttributes[ i ] ) { + + gl.disableVertexAttribArray( i ); + enabledAttributes[ i ] = 0; + + } + + } + + } + + function vertexAttribPointer( index, size, type, normalized, stride, offset ) { + + if ( capabilities.isWebGL2 === true && ( type === 5124 || type === 5125 ) ) { + + gl.vertexAttribIPointer( index, size, type, stride, offset ); + + } else { + + gl.vertexAttribPointer( index, size, type, normalized, stride, offset ); + + } + + } + + function setupVertexAttributes( object, material, program, geometry ) { + + if ( capabilities.isWebGL2 === false && ( object.isInstancedMesh || geometry.isInstancedBufferGeometry ) ) { + + if ( extensions.get( 'ANGLE_instanced_arrays' ) === null ) return; + + } + + initAttributes(); + + const geometryAttributes = geometry.attributes; + + const programAttributes = program.getAttributes(); + + const materialDefaultAttributeValues = material.defaultAttributeValues; + + for ( const name in programAttributes ) { + + const programAttribute = programAttributes[ name ]; + + if ( programAttribute.location >= 0 ) { + + let geometryAttribute = geometryAttributes[ name ]; + + if ( geometryAttribute === undefined ) { + + if ( name === 'instanceMatrix' && object.instanceMatrix ) geometryAttribute = object.instanceMatrix; + if ( name === 'instanceColor' && object.instanceColor ) geometryAttribute = object.instanceColor; + + } + + if ( geometryAttribute !== undefined ) { + + const normalized = geometryAttribute.normalized; + const size = geometryAttribute.itemSize; + + const attribute = attributes.get( geometryAttribute ); + + // TODO Attribute may not be available on context restore + + if ( attribute === undefined ) continue; + + const buffer = attribute.buffer; + const type = attribute.type; + const bytesPerElement = attribute.bytesPerElement; + + if ( geometryAttribute.isInterleavedBufferAttribute ) { + + const data = geometryAttribute.data; + const stride = data.stride; + const offset = geometryAttribute.offset; + + if ( data.isInstancedInterleavedBuffer ) { + + for ( let i = 0; i < programAttribute.locationSize; i ++ ) { + + enableAttributeAndDivisor( programAttribute.location + i, data.meshPerAttribute ); + + } + + if ( object.isInstancedMesh !== true && geometry._maxInstanceCount === undefined ) { + + geometry._maxInstanceCount = data.meshPerAttribute * data.count; + + } + + } else { + + for ( let i = 0; i < programAttribute.locationSize; i ++ ) { + + enableAttribute( programAttribute.location + i ); + + } + + } + + gl.bindBuffer( 34962, buffer ); + + for ( let i = 0; i < programAttribute.locationSize; i ++ ) { + + vertexAttribPointer( + programAttribute.location + i, + size / programAttribute.locationSize, + type, + normalized, + stride * bytesPerElement, + ( offset + ( size / programAttribute.locationSize ) * i ) * bytesPerElement + ); + + } + + } else { + + if ( geometryAttribute.isInstancedBufferAttribute ) { + + for ( let i = 0; i < programAttribute.locationSize; i ++ ) { + + enableAttributeAndDivisor( programAttribute.location + i, geometryAttribute.meshPerAttribute ); + + } + + if ( object.isInstancedMesh !== true && geometry._maxInstanceCount === undefined ) { + + geometry._maxInstanceCount = geometryAttribute.meshPerAttribute * geometryAttribute.count; + + } + + } else { + + for ( let i = 0; i < programAttribute.locationSize; i ++ ) { + + enableAttribute( programAttribute.location + i ); + + } + + } + + gl.bindBuffer( 34962, buffer ); + + for ( let i = 0; i < programAttribute.locationSize; i ++ ) { + + vertexAttribPointer( + programAttribute.location + i, + size / programAttribute.locationSize, + type, + normalized, + size * bytesPerElement, + ( size / programAttribute.locationSize ) * i * bytesPerElement + ); + + } + + } + + } else if ( materialDefaultAttributeValues !== undefined ) { + + const value = materialDefaultAttributeValues[ name ]; + + if ( value !== undefined ) { + + switch ( value.length ) { + + case 2: + gl.vertexAttrib2fv( programAttribute.location, value ); + break; + + case 3: + gl.vertexAttrib3fv( programAttribute.location, value ); + break; + + case 4: + gl.vertexAttrib4fv( programAttribute.location, value ); + break; + + default: + gl.vertexAttrib1fv( programAttribute.location, value ); + + } + + } + + } + + } + + } + + disableUnusedAttributes(); + + } + + function dispose() { + + reset(); + + for ( const geometryId in bindingStates ) { + + const programMap = bindingStates[ geometryId ]; + + for ( const programId in programMap ) { + + const stateMap = programMap[ programId ]; + + for ( const wireframe in stateMap ) { + + deleteVertexArrayObject( stateMap[ wireframe ].object ); + + delete stateMap[ wireframe ]; + + } + + delete programMap[ programId ]; + + } + + delete bindingStates[ geometryId ]; + + } + + } + + function releaseStatesOfGeometry( geometry ) { + + if ( bindingStates[ geometry.id ] === undefined ) return; + + const programMap = bindingStates[ geometry.id ]; + + for ( const programId in programMap ) { + + const stateMap = programMap[ programId ]; + + for ( const wireframe in stateMap ) { + + deleteVertexArrayObject( stateMap[ wireframe ].object ); + + delete stateMap[ wireframe ]; + + } + + delete programMap[ programId ]; + + } + + delete bindingStates[ geometry.id ]; + + } + + function releaseStatesOfProgram( program ) { + + for ( const geometryId in bindingStates ) { + + const programMap = bindingStates[ geometryId ]; + + if ( programMap[ program.id ] === undefined ) continue; + + const stateMap = programMap[ program.id ]; + + for ( const wireframe in stateMap ) { + + deleteVertexArrayObject( stateMap[ wireframe ].object ); + + delete stateMap[ wireframe ]; + + } + + delete programMap[ program.id ]; + + } + + } + + function reset() { + + resetDefaultState(); + forceUpdate = true; + + if ( currentState === defaultState ) return; + + currentState = defaultState; + bindVertexArrayObject( currentState.object ); + + } + + // for backward-compatibility + + function resetDefaultState() { + + defaultState.geometry = null; + defaultState.program = null; + defaultState.wireframe = false; + + } + + return { + + setup: setup, + reset: reset, + resetDefaultState: resetDefaultState, + dispose: dispose, + releaseStatesOfGeometry: releaseStatesOfGeometry, + releaseStatesOfProgram: releaseStatesOfProgram, + + initAttributes: initAttributes, + enableAttribute: enableAttribute, + disableUnusedAttributes: disableUnusedAttributes + + }; + +} + +function WebGLBufferRenderer( gl, extensions, info, capabilities ) { + + const isWebGL2 = capabilities.isWebGL2; + + let mode; + + function setMode( value ) { + + mode = value; + + } + + function render( start, count ) { + + gl.drawArrays( mode, start, count ); + + info.update( count, mode, 1 ); + + } + + function renderInstances( start, count, primcount ) { + + if ( primcount === 0 ) return; + + let extension, methodName; + + if ( isWebGL2 ) { + + extension = gl; + methodName = 'drawArraysInstanced'; + + } else { + + extension = extensions.get( 'ANGLE_instanced_arrays' ); + methodName = 'drawArraysInstancedANGLE'; + + if ( extension === null ) { + + console.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' ); + return; + + } + + } + + extension[ methodName ]( mode, start, count, primcount ); + + info.update( count, mode, primcount ); + + } + + // + + this.setMode = setMode; + this.render = render; + this.renderInstances = renderInstances; + +} + +function WebGLCapabilities( gl, extensions, parameters ) { + + let maxAnisotropy; + + function getMaxAnisotropy() { + + if ( maxAnisotropy !== undefined ) return maxAnisotropy; + + if ( extensions.has( 'EXT_texture_filter_anisotropic' ) === true ) { + + const extension = extensions.get( 'EXT_texture_filter_anisotropic' ); + + maxAnisotropy = gl.getParameter( extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT ); + + } else { + + maxAnisotropy = 0; + + } + + return maxAnisotropy; + + } + + function getMaxPrecision( precision ) { + + if ( precision === 'highp' ) { + + if ( gl.getShaderPrecisionFormat( 35633, 36338 ).precision > 0 && + gl.getShaderPrecisionFormat( 35632, 36338 ).precision > 0 ) { + + return 'highp'; + + } + + precision = 'mediump'; + + } + + if ( precision === 'mediump' ) { + + if ( gl.getShaderPrecisionFormat( 35633, 36337 ).precision > 0 && + gl.getShaderPrecisionFormat( 35632, 36337 ).precision > 0 ) { + + return 'mediump'; + + } + + } + + return 'lowp'; + + } + + const isWebGL2 = ( typeof WebGL2RenderingContext !== 'undefined' && gl instanceof WebGL2RenderingContext ) || + ( typeof WebGL2ComputeRenderingContext !== 'undefined' && gl instanceof WebGL2ComputeRenderingContext ); + + let precision = parameters.precision !== undefined ? parameters.precision : 'highp'; + const maxPrecision = getMaxPrecision( precision ); + + if ( maxPrecision !== precision ) { + + console.warn( 'THREE.WebGLRenderer:', precision, 'not supported, using', maxPrecision, 'instead.' ); + precision = maxPrecision; + + } + + const drawBuffers = isWebGL2 || extensions.has( 'WEBGL_draw_buffers' ); + + const logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true; + + const maxTextures = gl.getParameter( 34930 ); + const maxVertexTextures = gl.getParameter( 35660 ); + const maxTextureSize = gl.getParameter( 3379 ); + const maxCubemapSize = gl.getParameter( 34076 ); + + const maxAttributes = gl.getParameter( 34921 ); + const maxVertexUniforms = gl.getParameter( 36347 ); + const maxVaryings = gl.getParameter( 36348 ); + const maxFragmentUniforms = gl.getParameter( 36349 ); + + const vertexTextures = maxVertexTextures > 0; + const floatFragmentTextures = isWebGL2 || extensions.has( 'OES_texture_float' ); + const floatVertexTextures = vertexTextures && floatFragmentTextures; + + const maxSamples = isWebGL2 ? gl.getParameter( 36183 ) : 0; + + return { + + isWebGL2: isWebGL2, + + drawBuffers: drawBuffers, + + getMaxAnisotropy: getMaxAnisotropy, + getMaxPrecision: getMaxPrecision, + + precision: precision, + logarithmicDepthBuffer: logarithmicDepthBuffer, + + maxTextures: maxTextures, + maxVertexTextures: maxVertexTextures, + maxTextureSize: maxTextureSize, + maxCubemapSize: maxCubemapSize, + + maxAttributes: maxAttributes, + maxVertexUniforms: maxVertexUniforms, + maxVaryings: maxVaryings, + maxFragmentUniforms: maxFragmentUniforms, + + vertexTextures: vertexTextures, + floatFragmentTextures: floatFragmentTextures, + floatVertexTextures: floatVertexTextures, + + maxSamples: maxSamples + + }; + +} + +function WebGLClipping( properties ) { + + const scope = this; + + let globalState = null, + numGlobalPlanes = 0, + localClippingEnabled = false, + renderingShadows = false; + + const plane = new Plane(), + viewNormalMatrix = new Matrix3(), + + uniform = { value: null, needsUpdate: false }; + + this.uniform = uniform; + this.numPlanes = 0; + this.numIntersection = 0; + + this.init = function ( planes, enableLocalClipping, camera ) { + + const enabled = + planes.length !== 0 || + enableLocalClipping || + // enable state of previous frame - the clipping code has to + // run another frame in order to reset the state: + numGlobalPlanes !== 0 || + localClippingEnabled; + + localClippingEnabled = enableLocalClipping; + + globalState = projectPlanes( planes, camera, 0 ); + numGlobalPlanes = planes.length; + + return enabled; + + }; + + this.beginShadows = function () { + + renderingShadows = true; + projectPlanes( null ); + + }; + + this.endShadows = function () { + + renderingShadows = false; + resetGlobalState(); + + }; + + this.setState = function ( material, camera, useCache ) { + + const planes = material.clippingPlanes, + clipIntersection = material.clipIntersection, + clipShadows = material.clipShadows; + + const materialProperties = properties.get( material ); + + if ( ! localClippingEnabled || planes === null || planes.length === 0 || renderingShadows && ! clipShadows ) { + + // there's no local clipping + + if ( renderingShadows ) { + + // there's no global clipping + + projectPlanes( null ); + + } else { + + resetGlobalState(); + + } + + } else { + + const nGlobal = renderingShadows ? 0 : numGlobalPlanes, + lGlobal = nGlobal * 4; + + let dstArray = materialProperties.clippingState || null; + + uniform.value = dstArray; // ensure unique state + + dstArray = projectPlanes( planes, camera, lGlobal, useCache ); + + for ( let i = 0; i !== lGlobal; ++ i ) { + + dstArray[ i ] = globalState[ i ]; + + } + + materialProperties.clippingState = dstArray; + this.numIntersection = clipIntersection ? this.numPlanes : 0; + this.numPlanes += nGlobal; + + } + + + }; + + function resetGlobalState() { + + if ( uniform.value !== globalState ) { + + uniform.value = globalState; + uniform.needsUpdate = numGlobalPlanes > 0; + + } + + scope.numPlanes = numGlobalPlanes; + scope.numIntersection = 0; + + } + + function projectPlanes( planes, camera, dstOffset, skipTransform ) { + + const nPlanes = planes !== null ? planes.length : 0; + let dstArray = null; + + if ( nPlanes !== 0 ) { + + dstArray = uniform.value; + + if ( skipTransform !== true || dstArray === null ) { + + const flatSize = dstOffset + nPlanes * 4, + viewMatrix = camera.matrixWorldInverse; + + viewNormalMatrix.getNormalMatrix( viewMatrix ); + + if ( dstArray === null || dstArray.length < flatSize ) { + + dstArray = new Float32Array( flatSize ); + + } + + for ( let i = 0, i4 = dstOffset; i !== nPlanes; ++ i, i4 += 4 ) { + + plane.copy( planes[ i ] ).applyMatrix4( viewMatrix, viewNormalMatrix ); + + plane.normal.toArray( dstArray, i4 ); + dstArray[ i4 + 3 ] = plane.constant; + + } + + } + + uniform.value = dstArray; + uniform.needsUpdate = true; + + } + + scope.numPlanes = nPlanes; + scope.numIntersection = 0; + + return dstArray; + + } + +} + +function WebGLCubeMaps( renderer ) { + + let cubemaps = new WeakMap(); + + function mapTextureMapping( texture, mapping ) { + + if ( mapping === EquirectangularReflectionMapping ) { + + texture.mapping = CubeReflectionMapping; + + } else if ( mapping === EquirectangularRefractionMapping ) { + + texture.mapping = CubeRefractionMapping; + + } + + return texture; + + } + + function get( texture ) { + + if ( texture && texture.isTexture && texture.isRenderTargetTexture === false ) { + + const mapping = texture.mapping; + + if ( mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping ) { + + if ( cubemaps.has( texture ) ) { + + const cubemap = cubemaps.get( texture ).texture; + return mapTextureMapping( cubemap, texture.mapping ); + + } else { + + const image = texture.image; + + if ( image && image.height > 0 ) { + + const renderTarget = new WebGLCubeRenderTarget( image.height / 2 ); + renderTarget.fromEquirectangularTexture( renderer, texture ); + cubemaps.set( texture, renderTarget ); + + texture.addEventListener( 'dispose', onTextureDispose ); + + return mapTextureMapping( renderTarget.texture, texture.mapping ); + + } else { + + // image not yet ready. try the conversion next frame + + return null; + + } + + } + + } + + } + + return texture; + + } + + function onTextureDispose( event ) { + + const texture = event.target; + + texture.removeEventListener( 'dispose', onTextureDispose ); + + const cubemap = cubemaps.get( texture ); + + if ( cubemap !== undefined ) { + + cubemaps.delete( texture ); + cubemap.dispose(); + + } + + } + + function dispose() { + + cubemaps = new WeakMap(); + + } + + return { + get: get, + dispose: dispose + }; + +} + +class OrthographicCamera extends Camera { + + constructor( left = - 1, right = 1, top = 1, bottom = - 1, near = 0.1, far = 2000 ) { + + super(); + + this.isOrthographicCamera = true; + + this.type = 'OrthographicCamera'; + + this.zoom = 1; + this.view = null; + + this.left = left; + this.right = right; + this.top = top; + this.bottom = bottom; + + this.near = near; + this.far = far; + + this.updateProjectionMatrix(); + + } + + copy( source, recursive ) { + + super.copy( source, recursive ); + + this.left = source.left; + this.right = source.right; + this.top = source.top; + this.bottom = source.bottom; + this.near = source.near; + this.far = source.far; + + this.zoom = source.zoom; + this.view = source.view === null ? null : Object.assign( {}, source.view ); + + return this; + + } + + setViewOffset( fullWidth, fullHeight, x, y, width, height ) { + + if ( this.view === null ) { + + this.view = { + enabled: true, + fullWidth: 1, + fullHeight: 1, + offsetX: 0, + offsetY: 0, + width: 1, + height: 1 + }; + + } + + this.view.enabled = true; + this.view.fullWidth = fullWidth; + this.view.fullHeight = fullHeight; + this.view.offsetX = x; + this.view.offsetY = y; + this.view.width = width; + this.view.height = height; + + this.updateProjectionMatrix(); + + } + + clearViewOffset() { + + if ( this.view !== null ) { + + this.view.enabled = false; + + } + + this.updateProjectionMatrix(); + + } + + updateProjectionMatrix() { + + const dx = ( this.right - this.left ) / ( 2 * this.zoom ); + const dy = ( this.top - this.bottom ) / ( 2 * this.zoom ); + const cx = ( this.right + this.left ) / 2; + const cy = ( this.top + this.bottom ) / 2; + + let left = cx - dx; + let right = cx + dx; + let top = cy + dy; + let bottom = cy - dy; + + if ( this.view !== null && this.view.enabled ) { + + const scaleW = ( this.right - this.left ) / this.view.fullWidth / this.zoom; + const scaleH = ( this.top - this.bottom ) / this.view.fullHeight / this.zoom; + + left += scaleW * this.view.offsetX; + right = left + scaleW * this.view.width; + top -= scaleH * this.view.offsetY; + bottom = top - scaleH * this.view.height; + + } + + this.projectionMatrix.makeOrthographic( left, right, top, bottom, this.near, this.far ); + + this.projectionMatrixInverse.copy( this.projectionMatrix ).invert(); + + } + + toJSON( meta ) { + + const data = super.toJSON( meta ); + + data.object.zoom = this.zoom; + data.object.left = this.left; + data.object.right = this.right; + data.object.top = this.top; + data.object.bottom = this.bottom; + data.object.near = this.near; + data.object.far = this.far; + + if ( this.view !== null ) data.object.view = Object.assign( {}, this.view ); + + return data; + + } + +} + +const LOD_MIN = 4; + +// The standard deviations (radians) associated with the extra mips. These are +// chosen to approximate a Trowbridge-Reitz distribution function times the +// geometric shadowing function. These sigma values squared must match the +// variance #defines in cube_uv_reflection_fragment.glsl.js. +const EXTRA_LOD_SIGMA = [ 0.125, 0.215, 0.35, 0.446, 0.526, 0.582 ]; + +// The maximum length of the blur for loop. Smaller sigmas will use fewer +// samples and exit early, but not recompile the shader. +const MAX_SAMPLES = 20; + +const _flatCamera = /*@__PURE__*/ new OrthographicCamera(); +const _clearColor = /*@__PURE__*/ new Color(); +let _oldTarget = null; + +// Golden Ratio +const PHI = ( 1 + Math.sqrt( 5 ) ) / 2; +const INV_PHI = 1 / PHI; + +// Vertices of a dodecahedron (except the opposites, which represent the +// same axis), used as axis directions evenly spread on a sphere. +const _axisDirections = [ + /*@__PURE__*/ new Vector3( 1, 1, 1 ), + /*@__PURE__*/ new Vector3( - 1, 1, 1 ), + /*@__PURE__*/ new Vector3( 1, 1, - 1 ), + /*@__PURE__*/ new Vector3( - 1, 1, - 1 ), + /*@__PURE__*/ new Vector3( 0, PHI, INV_PHI ), + /*@__PURE__*/ new Vector3( 0, PHI, - INV_PHI ), + /*@__PURE__*/ new Vector3( INV_PHI, 0, PHI ), + /*@__PURE__*/ new Vector3( - INV_PHI, 0, PHI ), + /*@__PURE__*/ new Vector3( PHI, INV_PHI, 0 ), + /*@__PURE__*/ new Vector3( - PHI, INV_PHI, 0 ) ]; + +/** + * This class generates a Prefiltered, Mipmapped Radiance Environment Map + * (PMREM) from a cubeMap environment texture. This allows different levels of + * blur to be quickly accessed based on material roughness. It is packed into a + * special CubeUV format that allows us to perform custom interpolation so that + * we can support nonlinear formats such as RGBE. Unlike a traditional mipmap + * chain, it only goes down to the LOD_MIN level (above), and then creates extra + * even more filtered 'mips' at the same LOD_MIN resolution, associated with + * higher roughness levels. In this way we maintain resolution to smoothly + * interpolate diffuse lighting while limiting sampling computation. + * + * Paper: Fast, Accurate Image-Based Lighting + * https://drive.google.com/file/d/15y8r_UpKlU9SvV4ILb0C3qCPecS8pvLz/view +*/ + +class PMREMGenerator { + + constructor( renderer ) { + + this._renderer = renderer; + this._pingPongRenderTarget = null; + + this._lodMax = 0; + this._cubeSize = 0; + this._lodPlanes = []; + this._sizeLods = []; + this._sigmas = []; + + this._blurMaterial = null; + this._cubemapMaterial = null; + this._equirectMaterial = null; + + this._compileMaterial( this._blurMaterial ); + + } + + /** + * Generates a PMREM from a supplied Scene, which can be faster than using an + * image if networking bandwidth is low. Optional sigma specifies a blur radius + * in radians to be applied to the scene before PMREM generation. Optional near + * and far planes ensure the scene is rendered in its entirety (the cubeCamera + * is placed at the origin). + */ + fromScene( scene, sigma = 0, near = 0.1, far = 100 ) { + + _oldTarget = this._renderer.getRenderTarget(); + + this._setSize( 256 ); + + const cubeUVRenderTarget = this._allocateTargets(); + cubeUVRenderTarget.depthBuffer = true; + + this._sceneToCubeUV( scene, near, far, cubeUVRenderTarget ); + + if ( sigma > 0 ) { + + this._blur( cubeUVRenderTarget, 0, 0, sigma ); + + } + + this._applyPMREM( cubeUVRenderTarget ); + this._cleanup( cubeUVRenderTarget ); + + return cubeUVRenderTarget; + + } + + /** + * Generates a PMREM from an equirectangular texture, which can be either LDR + * or HDR. The ideal input image size is 1k (1024 x 512), + * as this matches best with the 256 x 256 cubemap output. + */ + fromEquirectangular( equirectangular, renderTarget = null ) { + + return this._fromTexture( equirectangular, renderTarget ); + + } + + /** + * Generates a PMREM from an cubemap texture, which can be either LDR + * or HDR. The ideal input cube size is 256 x 256, + * as this matches best with the 256 x 256 cubemap output. + */ + fromCubemap( cubemap, renderTarget = null ) { + + return this._fromTexture( cubemap, renderTarget ); + + } + + /** + * Pre-compiles the cubemap shader. You can get faster start-up by invoking this method during + * your texture's network fetch for increased concurrency. + */ + compileCubemapShader() { + + if ( this._cubemapMaterial === null ) { + + this._cubemapMaterial = _getCubemapMaterial(); + this._compileMaterial( this._cubemapMaterial ); + + } + + } + + /** + * Pre-compiles the equirectangular shader. You can get faster start-up by invoking this method during + * your texture's network fetch for increased concurrency. + */ + compileEquirectangularShader() { + + if ( this._equirectMaterial === null ) { + + this._equirectMaterial = _getEquirectMaterial(); + this._compileMaterial( this._equirectMaterial ); + + } + + } + + /** + * Disposes of the PMREMGenerator's internal memory. Note that PMREMGenerator is a static class, + * so you should not need more than one PMREMGenerator object. If you do, calling dispose() on + * one of them will cause any others to also become unusable. + */ + dispose() { + + this._dispose(); + + if ( this._cubemapMaterial !== null ) this._cubemapMaterial.dispose(); + if ( this._equirectMaterial !== null ) this._equirectMaterial.dispose(); + + } + + // private interface + + _setSize( cubeSize ) { + + this._lodMax = Math.floor( Math.log2( cubeSize ) ); + this._cubeSize = Math.pow( 2, this._lodMax ); + + } + + _dispose() { + + if ( this._blurMaterial !== null ) this._blurMaterial.dispose(); + + if ( this._pingPongRenderTarget !== null ) this._pingPongRenderTarget.dispose(); + + for ( let i = 0; i < this._lodPlanes.length; i ++ ) { + + this._lodPlanes[ i ].dispose(); + + } + + } + + _cleanup( outputTarget ) { + + this._renderer.setRenderTarget( _oldTarget ); + outputTarget.scissorTest = false; + _setViewport( outputTarget, 0, 0, outputTarget.width, outputTarget.height ); + + } + + _fromTexture( texture, renderTarget ) { + + if ( texture.mapping === CubeReflectionMapping || texture.mapping === CubeRefractionMapping ) { + + this._setSize( texture.image.length === 0 ? 16 : ( texture.image[ 0 ].width || texture.image[ 0 ].image.width ) ); + + } else { // Equirectangular + + this._setSize( texture.image.width / 4 ); + + } + + _oldTarget = this._renderer.getRenderTarget(); + + const cubeUVRenderTarget = renderTarget || this._allocateTargets(); + this._textureToCubeUV( texture, cubeUVRenderTarget ); + this._applyPMREM( cubeUVRenderTarget ); + this._cleanup( cubeUVRenderTarget ); + + return cubeUVRenderTarget; + + } + + _allocateTargets() { + + const width = 3 * Math.max( this._cubeSize, 16 * 7 ); + const height = 4 * this._cubeSize; + + const params = { + magFilter: LinearFilter, + minFilter: LinearFilter, + generateMipmaps: false, + type: HalfFloatType, + format: RGBAFormat, + encoding: LinearEncoding, + depthBuffer: false + }; + + const cubeUVRenderTarget = _createRenderTarget( width, height, params ); + + if ( this._pingPongRenderTarget === null || this._pingPongRenderTarget.width !== width ) { + + if ( this._pingPongRenderTarget !== null ) { + + this._dispose(); + + } + + this._pingPongRenderTarget = _createRenderTarget( width, height, params ); + + const { _lodMax } = this; + ( { sizeLods: this._sizeLods, lodPlanes: this._lodPlanes, sigmas: this._sigmas } = _createPlanes( _lodMax ) ); + + this._blurMaterial = _getBlurShader( _lodMax, width, height ); + + } + + return cubeUVRenderTarget; + + } + + _compileMaterial( material ) { + + const tmpMesh = new Mesh( this._lodPlanes[ 0 ], material ); + this._renderer.compile( tmpMesh, _flatCamera ); + + } + + _sceneToCubeUV( scene, near, far, cubeUVRenderTarget ) { + + const fov = 90; + const aspect = 1; + const cubeCamera = new PerspectiveCamera( fov, aspect, near, far ); + const upSign = [ 1, - 1, 1, 1, 1, 1 ]; + const forwardSign = [ 1, 1, 1, - 1, - 1, - 1 ]; + const renderer = this._renderer; + + const originalAutoClear = renderer.autoClear; + const toneMapping = renderer.toneMapping; + renderer.getClearColor( _clearColor ); + + renderer.toneMapping = NoToneMapping; + renderer.autoClear = false; + + const backgroundMaterial = new MeshBasicMaterial( { + name: 'PMREM.Background', + side: BackSide, + depthWrite: false, + depthTest: false, + } ); + + const backgroundBox = new Mesh( new BoxGeometry(), backgroundMaterial ); + + let useSolidColor = false; + const background = scene.background; + + if ( background ) { + + if ( background.isColor ) { + + backgroundMaterial.color.copy( background ); + scene.background = null; + useSolidColor = true; + + } + + } else { + + backgroundMaterial.color.copy( _clearColor ); + useSolidColor = true; + + } + + for ( let i = 0; i < 6; i ++ ) { + + const col = i % 3; + + if ( col === 0 ) { + + cubeCamera.up.set( 0, upSign[ i ], 0 ); + cubeCamera.lookAt( forwardSign[ i ], 0, 0 ); + + } else if ( col === 1 ) { + + cubeCamera.up.set( 0, 0, upSign[ i ] ); + cubeCamera.lookAt( 0, forwardSign[ i ], 0 ); + + } else { + + cubeCamera.up.set( 0, upSign[ i ], 0 ); + cubeCamera.lookAt( 0, 0, forwardSign[ i ] ); + + } + + const size = this._cubeSize; + + _setViewport( cubeUVRenderTarget, col * size, i > 2 ? size : 0, size, size ); + + renderer.setRenderTarget( cubeUVRenderTarget ); + + if ( useSolidColor ) { + + renderer.render( backgroundBox, cubeCamera ); + + } + + renderer.render( scene, cubeCamera ); + + } + + backgroundBox.geometry.dispose(); + backgroundBox.material.dispose(); + + renderer.toneMapping = toneMapping; + renderer.autoClear = originalAutoClear; + scene.background = background; + + } + + _textureToCubeUV( texture, cubeUVRenderTarget ) { + + const renderer = this._renderer; + + const isCubeTexture = ( texture.mapping === CubeReflectionMapping || texture.mapping === CubeRefractionMapping ); + + if ( isCubeTexture ) { + + if ( this._cubemapMaterial === null ) { + + this._cubemapMaterial = _getCubemapMaterial(); + + } + + this._cubemapMaterial.uniforms.flipEnvMap.value = ( texture.isRenderTargetTexture === false ) ? - 1 : 1; + + } else { + + if ( this._equirectMaterial === null ) { + + this._equirectMaterial = _getEquirectMaterial(); + + } + + } + + const material = isCubeTexture ? this._cubemapMaterial : this._equirectMaterial; + const mesh = new Mesh( this._lodPlanes[ 0 ], material ); + + const uniforms = material.uniforms; + + uniforms[ 'envMap' ].value = texture; + + const size = this._cubeSize; + + _setViewport( cubeUVRenderTarget, 0, 0, 3 * size, 2 * size ); + + renderer.setRenderTarget( cubeUVRenderTarget ); + renderer.render( mesh, _flatCamera ); + + } + + _applyPMREM( cubeUVRenderTarget ) { + + const renderer = this._renderer; + const autoClear = renderer.autoClear; + renderer.autoClear = false; + + for ( let i = 1; i < this._lodPlanes.length; i ++ ) { + + const sigma = Math.sqrt( this._sigmas[ i ] * this._sigmas[ i ] - this._sigmas[ i - 1 ] * this._sigmas[ i - 1 ] ); + + const poleAxis = _axisDirections[ ( i - 1 ) % _axisDirections.length ]; + + this._blur( cubeUVRenderTarget, i - 1, i, sigma, poleAxis ); + + } + + renderer.autoClear = autoClear; + + } + + /** + * This is a two-pass Gaussian blur for a cubemap. Normally this is done + * vertically and horizontally, but this breaks down on a cube. Here we apply + * the blur latitudinally (around the poles), and then longitudinally (towards + * the poles) to approximate the orthogonally-separable blur. It is least + * accurate at the poles, but still does a decent job. + */ + _blur( cubeUVRenderTarget, lodIn, lodOut, sigma, poleAxis ) { + + const pingPongRenderTarget = this._pingPongRenderTarget; + + this._halfBlur( + cubeUVRenderTarget, + pingPongRenderTarget, + lodIn, + lodOut, + sigma, + 'latitudinal', + poleAxis ); + + this._halfBlur( + pingPongRenderTarget, + cubeUVRenderTarget, + lodOut, + lodOut, + sigma, + 'longitudinal', + poleAxis ); + + } + + _halfBlur( targetIn, targetOut, lodIn, lodOut, sigmaRadians, direction, poleAxis ) { + + const renderer = this._renderer; + const blurMaterial = this._blurMaterial; + + if ( direction !== 'latitudinal' && direction !== 'longitudinal' ) { + + console.error( + 'blur direction must be either latitudinal or longitudinal!' ); + + } + + // Number of standard deviations at which to cut off the discrete approximation. + const STANDARD_DEVIATIONS = 3; + + const blurMesh = new Mesh( this._lodPlanes[ lodOut ], blurMaterial ); + const blurUniforms = blurMaterial.uniforms; + + const pixels = this._sizeLods[ lodIn ] - 1; + const radiansPerPixel = isFinite( sigmaRadians ) ? Math.PI / ( 2 * pixels ) : 2 * Math.PI / ( 2 * MAX_SAMPLES - 1 ); + const sigmaPixels = sigmaRadians / radiansPerPixel; + const samples = isFinite( sigmaRadians ) ? 1 + Math.floor( STANDARD_DEVIATIONS * sigmaPixels ) : MAX_SAMPLES; + + if ( samples > MAX_SAMPLES ) { + + console.warn( `sigmaRadians, ${ + sigmaRadians}, is too large and will clip, as it requested ${ + samples} samples when the maximum is set to ${MAX_SAMPLES}` ); + + } + + const weights = []; + let sum = 0; + + for ( let i = 0; i < MAX_SAMPLES; ++ i ) { + + const x = i / sigmaPixels; + const weight = Math.exp( - x * x / 2 ); + weights.push( weight ); + + if ( i === 0 ) { + + sum += weight; + + } else if ( i < samples ) { + + sum += 2 * weight; + + } + + } + + for ( let i = 0; i < weights.length; i ++ ) { + + weights[ i ] = weights[ i ] / sum; + + } + + blurUniforms[ 'envMap' ].value = targetIn.texture; + blurUniforms[ 'samples' ].value = samples; + blurUniforms[ 'weights' ].value = weights; + blurUniforms[ 'latitudinal' ].value = direction === 'latitudinal'; + + if ( poleAxis ) { + + blurUniforms[ 'poleAxis' ].value = poleAxis; + + } + + const { _lodMax } = this; + blurUniforms[ 'dTheta' ].value = radiansPerPixel; + blurUniforms[ 'mipInt' ].value = _lodMax - lodIn; + + const outputSize = this._sizeLods[ lodOut ]; + const x = 3 * outputSize * ( lodOut > _lodMax - LOD_MIN ? lodOut - _lodMax + LOD_MIN : 0 ); + const y = 4 * ( this._cubeSize - outputSize ); + + _setViewport( targetOut, x, y, 3 * outputSize, 2 * outputSize ); + renderer.setRenderTarget( targetOut ); + renderer.render( blurMesh, _flatCamera ); + + } + +} + + + +function _createPlanes( lodMax ) { + + const lodPlanes = []; + const sizeLods = []; + const sigmas = []; + + let lod = lodMax; + + const totalLods = lodMax - LOD_MIN + 1 + EXTRA_LOD_SIGMA.length; + + for ( let i = 0; i < totalLods; i ++ ) { + + const sizeLod = Math.pow( 2, lod ); + sizeLods.push( sizeLod ); + let sigma = 1.0 / sizeLod; + + if ( i > lodMax - LOD_MIN ) { + + sigma = EXTRA_LOD_SIGMA[ i - lodMax + LOD_MIN - 1 ]; + + } else if ( i === 0 ) { + + sigma = 0; + + } + + sigmas.push( sigma ); + + const texelSize = 1.0 / ( sizeLod - 2 ); + const min = - texelSize; + const max = 1 + texelSize; + const uv1 = [ min, min, max, min, max, max, min, min, max, max, min, max ]; + + const cubeFaces = 6; + const vertices = 6; + const positionSize = 3; + const uvSize = 2; + const faceIndexSize = 1; + + const position = new Float32Array( positionSize * vertices * cubeFaces ); + const uv = new Float32Array( uvSize * vertices * cubeFaces ); + const faceIndex = new Float32Array( faceIndexSize * vertices * cubeFaces ); + + for ( let face = 0; face < cubeFaces; face ++ ) { + + const x = ( face % 3 ) * 2 / 3 - 1; + const y = face > 2 ? 0 : - 1; + const coordinates = [ + x, y, 0, + x + 2 / 3, y, 0, + x + 2 / 3, y + 1, 0, + x, y, 0, + x + 2 / 3, y + 1, 0, + x, y + 1, 0 + ]; + position.set( coordinates, positionSize * vertices * face ); + uv.set( uv1, uvSize * vertices * face ); + const fill = [ face, face, face, face, face, face ]; + faceIndex.set( fill, faceIndexSize * vertices * face ); + + } + + const planes = new BufferGeometry(); + planes.setAttribute( 'position', new BufferAttribute( position, positionSize ) ); + planes.setAttribute( 'uv', new BufferAttribute( uv, uvSize ) ); + planes.setAttribute( 'faceIndex', new BufferAttribute( faceIndex, faceIndexSize ) ); + lodPlanes.push( planes ); + + if ( lod > LOD_MIN ) { + + lod --; + + } + + } + + return { lodPlanes, sizeLods, sigmas }; + +} + +function _createRenderTarget( width, height, params ) { + + const cubeUVRenderTarget = new WebGLRenderTarget( width, height, params ); + cubeUVRenderTarget.texture.mapping = CubeUVReflectionMapping; + cubeUVRenderTarget.texture.name = 'PMREM.cubeUv'; + cubeUVRenderTarget.scissorTest = true; + return cubeUVRenderTarget; + +} + +function _setViewport( target, x, y, width, height ) { + + target.viewport.set( x, y, width, height ); + target.scissor.set( x, y, width, height ); + +} + +function _getBlurShader( lodMax, width, height ) { + + const weights = new Float32Array( MAX_SAMPLES ); + const poleAxis = new Vector3( 0, 1, 0 ); + const shaderMaterial = new ShaderMaterial( { + + name: 'SphericalGaussianBlur', + + defines: { + 'n': MAX_SAMPLES, + 'CUBEUV_TEXEL_WIDTH': 1.0 / width, + 'CUBEUV_TEXEL_HEIGHT': 1.0 / height, + 'CUBEUV_MAX_MIP': `${lodMax}.0`, + }, + + uniforms: { + 'envMap': { value: null }, + 'samples': { value: 1 }, + 'weights': { value: weights }, + 'latitudinal': { value: false }, + 'dTheta': { value: 0 }, + 'mipInt': { value: 0 }, + 'poleAxis': { value: poleAxis } + }, + + vertexShader: _getCommonVertexShader(), + + fragmentShader: /* glsl */` + + precision mediump float; + precision mediump int; + + varying vec3 vOutputDirection; + + uniform sampler2D envMap; + uniform int samples; + uniform float weights[ n ]; + uniform bool latitudinal; + uniform float dTheta; + uniform float mipInt; + uniform vec3 poleAxis; + + #define ENVMAP_TYPE_CUBE_UV + #include + + vec3 getSample( float theta, vec3 axis ) { + + float cosTheta = cos( theta ); + // Rodrigues' axis-angle rotation + vec3 sampleDirection = vOutputDirection * cosTheta + + cross( axis, vOutputDirection ) * sin( theta ) + + axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta ); + + return bilinearCubeUV( envMap, sampleDirection, mipInt ); + + } + + void main() { + + vec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection ); + + if ( all( equal( axis, vec3( 0.0 ) ) ) ) { + + axis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x ); + + } + + axis = normalize( axis ); + + gl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 ); + gl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis ); + + for ( int i = 1; i < n; i++ ) { + + if ( i >= samples ) { + + break; + + } + + float theta = dTheta * float( i ); + gl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis ); + gl_FragColor.rgb += weights[ i ] * getSample( theta, axis ); + + } + + } + `, + + blending: NoBlending, + depthTest: false, + depthWrite: false + + } ); + + return shaderMaterial; + +} + +function _getEquirectMaterial() { + + return new ShaderMaterial( { + + name: 'EquirectangularToCubeUV', + + uniforms: { + 'envMap': { value: null } + }, + + vertexShader: _getCommonVertexShader(), + + fragmentShader: /* glsl */` + + precision mediump float; + precision mediump int; + + varying vec3 vOutputDirection; + + uniform sampler2D envMap; + + #include + + void main() { + + vec3 outputDirection = normalize( vOutputDirection ); + vec2 uv = equirectUv( outputDirection ); + + gl_FragColor = vec4( texture2D ( envMap, uv ).rgb, 1.0 ); + + } + `, + + blending: NoBlending, + depthTest: false, + depthWrite: false + + } ); + +} + +function _getCubemapMaterial() { + + return new ShaderMaterial( { + + name: 'CubemapToCubeUV', + + uniforms: { + 'envMap': { value: null }, + 'flipEnvMap': { value: - 1 } + }, + + vertexShader: _getCommonVertexShader(), + + fragmentShader: /* glsl */` + + precision mediump float; + precision mediump int; + + uniform float flipEnvMap; + + varying vec3 vOutputDirection; + + uniform samplerCube envMap; + + void main() { + + gl_FragColor = textureCube( envMap, vec3( flipEnvMap * vOutputDirection.x, vOutputDirection.yz ) ); + + } + `, + + blending: NoBlending, + depthTest: false, + depthWrite: false + + } ); + +} + +function _getCommonVertexShader() { + + return /* glsl */` + + precision mediump float; + precision mediump int; + + attribute float faceIndex; + + varying vec3 vOutputDirection; + + // RH coordinate system; PMREM face-indexing convention + vec3 getDirection( vec2 uv, float face ) { + + uv = 2.0 * uv - 1.0; + + vec3 direction = vec3( uv, 1.0 ); + + if ( face == 0.0 ) { + + direction = direction.zyx; // ( 1, v, u ) pos x + + } else if ( face == 1.0 ) { + + direction = direction.xzy; + direction.xz *= -1.0; // ( -u, 1, -v ) pos y + + } else if ( face == 2.0 ) { + + direction.x *= -1.0; // ( -u, v, 1 ) pos z + + } else if ( face == 3.0 ) { + + direction = direction.zyx; + direction.xz *= -1.0; // ( -1, v, -u ) neg x + + } else if ( face == 4.0 ) { + + direction = direction.xzy; + direction.xy *= -1.0; // ( -u, -1, v ) neg y + + } else if ( face == 5.0 ) { + + direction.z *= -1.0; // ( u, v, -1 ) neg z + + } + + return direction; + + } + + void main() { + + vOutputDirection = getDirection( uv, faceIndex ); + gl_Position = vec4( position, 1.0 ); + + } + `; + +} + +function WebGLCubeUVMaps( renderer ) { + + let cubeUVmaps = new WeakMap(); + + let pmremGenerator = null; + + function get( texture ) { + + if ( texture && texture.isTexture ) { + + const mapping = texture.mapping; + + const isEquirectMap = ( mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping ); + const isCubeMap = ( mapping === CubeReflectionMapping || mapping === CubeRefractionMapping ); + + // equirect/cube map to cubeUV conversion + + if ( isEquirectMap || isCubeMap ) { + + if ( texture.isRenderTargetTexture && texture.needsPMREMUpdate === true ) { + + texture.needsPMREMUpdate = false; + + let renderTarget = cubeUVmaps.get( texture ); + + if ( pmremGenerator === null ) pmremGenerator = new PMREMGenerator( renderer ); + + renderTarget = isEquirectMap ? pmremGenerator.fromEquirectangular( texture, renderTarget ) : pmremGenerator.fromCubemap( texture, renderTarget ); + cubeUVmaps.set( texture, renderTarget ); + + return renderTarget.texture; + + } else { + + if ( cubeUVmaps.has( texture ) ) { + + return cubeUVmaps.get( texture ).texture; + + } else { + + const image = texture.image; + + if ( ( isEquirectMap && image && image.height > 0 ) || ( isCubeMap && image && isCubeTextureComplete( image ) ) ) { + + if ( pmremGenerator === null ) pmremGenerator = new PMREMGenerator( renderer ); + + const renderTarget = isEquirectMap ? pmremGenerator.fromEquirectangular( texture ) : pmremGenerator.fromCubemap( texture ); + cubeUVmaps.set( texture, renderTarget ); + + texture.addEventListener( 'dispose', onTextureDispose ); + + return renderTarget.texture; + + } else { + + // image not yet ready. try the conversion next frame + + return null; + + } + + } + + } + + } + + } + + return texture; + + } + + function isCubeTextureComplete( image ) { + + let count = 0; + const length = 6; + + for ( let i = 0; i < length; i ++ ) { + + if ( image[ i ] !== undefined ) count ++; + + } + + return count === length; + + + } + + function onTextureDispose( event ) { + + const texture = event.target; + + texture.removeEventListener( 'dispose', onTextureDispose ); + + const cubemapUV = cubeUVmaps.get( texture ); + + if ( cubemapUV !== undefined ) { + + cubeUVmaps.delete( texture ); + cubemapUV.dispose(); + + } + + } + + function dispose() { + + cubeUVmaps = new WeakMap(); + + if ( pmremGenerator !== null ) { + + pmremGenerator.dispose(); + pmremGenerator = null; + + } + + } + + return { + get: get, + dispose: dispose + }; + +} + +function WebGLExtensions( gl ) { + + const extensions = {}; + + function getExtension( name ) { + + if ( extensions[ name ] !== undefined ) { + + return extensions[ name ]; + + } + + let extension; + + switch ( name ) { + + case 'WEBGL_depth_texture': + extension = gl.getExtension( 'WEBGL_depth_texture' ) || gl.getExtension( 'MOZ_WEBGL_depth_texture' ) || gl.getExtension( 'WEBKIT_WEBGL_depth_texture' ); + break; + + case 'EXT_texture_filter_anisotropic': + extension = gl.getExtension( 'EXT_texture_filter_anisotropic' ) || gl.getExtension( 'MOZ_EXT_texture_filter_anisotropic' ) || gl.getExtension( 'WEBKIT_EXT_texture_filter_anisotropic' ); + break; + + case 'WEBGL_compressed_texture_s3tc': + extension = gl.getExtension( 'WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'MOZ_WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_s3tc' ); + break; + + case 'WEBGL_compressed_texture_pvrtc': + extension = gl.getExtension( 'WEBGL_compressed_texture_pvrtc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_pvrtc' ); + break; + + default: + extension = gl.getExtension( name ); + + } + + extensions[ name ] = extension; + + return extension; + + } + + return { + + has: function ( name ) { + + return getExtension( name ) !== null; + + }, + + init: function ( capabilities ) { + + if ( capabilities.isWebGL2 ) { + + getExtension( 'EXT_color_buffer_float' ); + + } else { + + getExtension( 'WEBGL_depth_texture' ); + getExtension( 'OES_texture_float' ); + getExtension( 'OES_texture_half_float' ); + getExtension( 'OES_texture_half_float_linear' ); + getExtension( 'OES_standard_derivatives' ); + getExtension( 'OES_element_index_uint' ); + getExtension( 'OES_vertex_array_object' ); + getExtension( 'ANGLE_instanced_arrays' ); + + } + + getExtension( 'OES_texture_float_linear' ); + getExtension( 'EXT_color_buffer_half_float' ); + getExtension( 'WEBGL_multisampled_render_to_texture' ); + + }, + + get: function ( name ) { + + const extension = getExtension( name ); + + if ( extension === null ) { + + console.warn( 'THREE.WebGLRenderer: ' + name + ' extension not supported.' ); + + } + + return extension; + + } + + }; + +} + +function WebGLGeometries( gl, attributes, info, bindingStates ) { + + const geometries = {}; + const wireframeAttributes = new WeakMap(); + + function onGeometryDispose( event ) { + + const geometry = event.target; + + if ( geometry.index !== null ) { + + attributes.remove( geometry.index ); + + } + + for ( const name in geometry.attributes ) { + + attributes.remove( geometry.attributes[ name ] ); + + } + + geometry.removeEventListener( 'dispose', onGeometryDispose ); + + delete geometries[ geometry.id ]; + + const attribute = wireframeAttributes.get( geometry ); + + if ( attribute ) { + + attributes.remove( attribute ); + wireframeAttributes.delete( geometry ); + + } + + bindingStates.releaseStatesOfGeometry( geometry ); + + if ( geometry.isInstancedBufferGeometry === true ) { + + delete geometry._maxInstanceCount; + + } + + // + + info.memory.geometries --; + + } + + function get( object, geometry ) { + + if ( geometries[ geometry.id ] === true ) return geometry; + + geometry.addEventListener( 'dispose', onGeometryDispose ); + + geometries[ geometry.id ] = true; + + info.memory.geometries ++; + + return geometry; + + } + + function update( geometry ) { + + const geometryAttributes = geometry.attributes; + + // Updating index buffer in VAO now. See WebGLBindingStates. + + for ( const name in geometryAttributes ) { + + attributes.update( geometryAttributes[ name ], 34962 ); + + } + + // morph targets + + const morphAttributes = geometry.morphAttributes; + + for ( const name in morphAttributes ) { + + const array = morphAttributes[ name ]; + + for ( let i = 0, l = array.length; i < l; i ++ ) { + + attributes.update( array[ i ], 34962 ); + + } + + } + + } + + function updateWireframeAttribute( geometry ) { + + const indices = []; + + const geometryIndex = geometry.index; + const geometryPosition = geometry.attributes.position; + let version = 0; + + if ( geometryIndex !== null ) { + + const array = geometryIndex.array; + version = geometryIndex.version; + + for ( let i = 0, l = array.length; i < l; i += 3 ) { + + const a = array[ i + 0 ]; + const b = array[ i + 1 ]; + const c = array[ i + 2 ]; + + indices.push( a, b, b, c, c, a ); + + } + + } else { + + const array = geometryPosition.array; + version = geometryPosition.version; + + for ( let i = 0, l = ( array.length / 3 ) - 1; i < l; i += 3 ) { + + const a = i + 0; + const b = i + 1; + const c = i + 2; + + indices.push( a, b, b, c, c, a ); + + } + + } + + const attribute = new ( arrayNeedsUint32( indices ) ? Uint32BufferAttribute : Uint16BufferAttribute )( indices, 1 ); + attribute.version = version; + + // Updating index buffer in VAO now. See WebGLBindingStates + + // + + const previousAttribute = wireframeAttributes.get( geometry ); + + if ( previousAttribute ) attributes.remove( previousAttribute ); + + // + + wireframeAttributes.set( geometry, attribute ); + + } + + function getWireframeAttribute( geometry ) { + + const currentAttribute = wireframeAttributes.get( geometry ); + + if ( currentAttribute ) { + + const geometryIndex = geometry.index; + + if ( geometryIndex !== null ) { + + // if the attribute is obsolete, create a new one + + if ( currentAttribute.version < geometryIndex.version ) { + + updateWireframeAttribute( geometry ); + + } + + } + + } else { + + updateWireframeAttribute( geometry ); + + } + + return wireframeAttributes.get( geometry ); + + } + + return { + + get: get, + update: update, + + getWireframeAttribute: getWireframeAttribute + + }; + +} + +function WebGLIndexedBufferRenderer( gl, extensions, info, capabilities ) { + + const isWebGL2 = capabilities.isWebGL2; + + let mode; + + function setMode( value ) { + + mode = value; + + } + + let type, bytesPerElement; + + function setIndex( value ) { + + type = value.type; + bytesPerElement = value.bytesPerElement; + + } + + function render( start, count ) { + + gl.drawElements( mode, count, type, start * bytesPerElement ); + + info.update( count, mode, 1 ); + + } + + function renderInstances( start, count, primcount ) { + + if ( primcount === 0 ) return; + + let extension, methodName; + + if ( isWebGL2 ) { + + extension = gl; + methodName = 'drawElementsInstanced'; + + } else { + + extension = extensions.get( 'ANGLE_instanced_arrays' ); + methodName = 'drawElementsInstancedANGLE'; + + if ( extension === null ) { + + console.error( 'THREE.WebGLIndexedBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' ); + return; + + } + + } + + extension[ methodName ]( mode, count, type, start * bytesPerElement, primcount ); + + info.update( count, mode, primcount ); + + } + + // + + this.setMode = setMode; + this.setIndex = setIndex; + this.render = render; + this.renderInstances = renderInstances; + +} + +function WebGLInfo( gl ) { + + const memory = { + geometries: 0, + textures: 0 + }; + + const render = { + frame: 0, + calls: 0, + triangles: 0, + points: 0, + lines: 0 + }; + + function update( count, mode, instanceCount ) { + + render.calls ++; + + switch ( mode ) { + + case 4: + render.triangles += instanceCount * ( count / 3 ); + break; + + case 1: + render.lines += instanceCount * ( count / 2 ); + break; + + case 3: + render.lines += instanceCount * ( count - 1 ); + break; + + case 2: + render.lines += instanceCount * count; + break; + + case 0: + render.points += instanceCount * count; + break; + + default: + console.error( 'THREE.WebGLInfo: Unknown draw mode:', mode ); + break; + + } + + } + + function reset() { + + render.frame ++; + render.calls = 0; + render.triangles = 0; + render.points = 0; + render.lines = 0; + + } + + return { + memory: memory, + render: render, + programs: null, + autoReset: true, + reset: reset, + update: update + }; + +} + +function numericalSort( a, b ) { + + return a[ 0 ] - b[ 0 ]; + +} + +function absNumericalSort( a, b ) { + + return Math.abs( b[ 1 ] ) - Math.abs( a[ 1 ] ); + +} + +function denormalize( morph, attribute ) { + + let denominator = 1; + const array = attribute.isInterleavedBufferAttribute ? attribute.data.array : attribute.array; + + if ( array instanceof Int8Array ) denominator = 127; + else if ( array instanceof Uint8Array ) denominator = 255; + else if ( array instanceof Uint16Array ) denominator = 65535; + else if ( array instanceof Int16Array ) denominator = 32767; + else if ( array instanceof Int32Array ) denominator = 2147483647; + else console.error( 'THREE.WebGLMorphtargets: Unsupported morph attribute data type: ', array ); + + morph.divideScalar( denominator ); + +} + +function WebGLMorphtargets( gl, capabilities, textures ) { + + const influencesList = {}; + const morphInfluences = new Float32Array( 8 ); + const morphTextures = new WeakMap(); + const morph = new Vector4(); + + const workInfluences = []; + + for ( let i = 0; i < 8; i ++ ) { + + workInfluences[ i ] = [ i, 0 ]; + + } + + function update( object, geometry, material, program ) { + + const objectInfluences = object.morphTargetInfluences; + + if ( capabilities.isWebGL2 === true ) { + + // instead of using attributes, the WebGL 2 code path encodes morph targets + // into an array of data textures. Each layer represents a single morph target. + + const morphAttribute = geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color; + const morphTargetsCount = ( morphAttribute !== undefined ) ? morphAttribute.length : 0; + + let entry = morphTextures.get( geometry ); + + if ( entry === undefined || entry.count !== morphTargetsCount ) { + + if ( entry !== undefined ) entry.texture.dispose(); + + const hasMorphPosition = geometry.morphAttributes.position !== undefined; + const hasMorphNormals = geometry.morphAttributes.normal !== undefined; + const hasMorphColors = geometry.morphAttributes.color !== undefined; + + const morphTargets = geometry.morphAttributes.position || []; + const morphNormals = geometry.morphAttributes.normal || []; + const morphColors = geometry.morphAttributes.color || []; + + let vertexDataCount = 0; + + if ( hasMorphPosition === true ) vertexDataCount = 1; + if ( hasMorphNormals === true ) vertexDataCount = 2; + if ( hasMorphColors === true ) vertexDataCount = 3; + + let width = geometry.attributes.position.count * vertexDataCount; + let height = 1; + + if ( width > capabilities.maxTextureSize ) { + + height = Math.ceil( width / capabilities.maxTextureSize ); + width = capabilities.maxTextureSize; + + } + + const buffer = new Float32Array( width * height * 4 * morphTargetsCount ); + + const texture = new DataArrayTexture( buffer, width, height, morphTargetsCount ); + texture.type = FloatType; + texture.needsUpdate = true; + + // fill buffer + + const vertexDataStride = vertexDataCount * 4; + + for ( let i = 0; i < morphTargetsCount; i ++ ) { + + const morphTarget = morphTargets[ i ]; + const morphNormal = morphNormals[ i ]; + const morphColor = morphColors[ i ]; + + const offset = width * height * 4 * i; + + for ( let j = 0; j < morphTarget.count; j ++ ) { + + const stride = j * vertexDataStride; + + if ( hasMorphPosition === true ) { + + morph.fromBufferAttribute( morphTarget, j ); + + if ( morphTarget.normalized === true ) denormalize( morph, morphTarget ); + + buffer[ offset + stride + 0 ] = morph.x; + buffer[ offset + stride + 1 ] = morph.y; + buffer[ offset + stride + 2 ] = morph.z; + buffer[ offset + stride + 3 ] = 0; + + } + + if ( hasMorphNormals === true ) { + + morph.fromBufferAttribute( morphNormal, j ); + + if ( morphNormal.normalized === true ) denormalize( morph, morphNormal ); + + buffer[ offset + stride + 4 ] = morph.x; + buffer[ offset + stride + 5 ] = morph.y; + buffer[ offset + stride + 6 ] = morph.z; + buffer[ offset + stride + 7 ] = 0; + + } + + if ( hasMorphColors === true ) { + + morph.fromBufferAttribute( morphColor, j ); + + if ( morphColor.normalized === true ) denormalize( morph, morphColor ); + + buffer[ offset + stride + 8 ] = morph.x; + buffer[ offset + stride + 9 ] = morph.y; + buffer[ offset + stride + 10 ] = morph.z; + buffer[ offset + stride + 11 ] = ( morphColor.itemSize === 4 ) ? morph.w : 1; + + } + + } + + } + + entry = { + count: morphTargetsCount, + texture: texture, + size: new Vector2( width, height ) + }; + + morphTextures.set( geometry, entry ); + + function disposeTexture() { + + texture.dispose(); + + morphTextures.delete( geometry ); + + geometry.removeEventListener( 'dispose', disposeTexture ); + + } + + geometry.addEventListener( 'dispose', disposeTexture ); + + } + + // + + let morphInfluencesSum = 0; + + for ( let i = 0; i < objectInfluences.length; i ++ ) { + + morphInfluencesSum += objectInfluences[ i ]; + + } + + const morphBaseInfluence = geometry.morphTargetsRelative ? 1 : 1 - morphInfluencesSum; + + program.getUniforms().setValue( gl, 'morphTargetBaseInfluence', morphBaseInfluence ); + program.getUniforms().setValue( gl, 'morphTargetInfluences', objectInfluences ); + + program.getUniforms().setValue( gl, 'morphTargetsTexture', entry.texture, textures ); + program.getUniforms().setValue( gl, 'morphTargetsTextureSize', entry.size ); + + + } else { + + // When object doesn't have morph target influences defined, we treat it as a 0-length array + // This is important to make sure we set up morphTargetBaseInfluence / morphTargetInfluences + + const length = objectInfluences === undefined ? 0 : objectInfluences.length; + + let influences = influencesList[ geometry.id ]; + + if ( influences === undefined || influences.length !== length ) { + + // initialise list + + influences = []; + + for ( let i = 0; i < length; i ++ ) { + + influences[ i ] = [ i, 0 ]; + + } + + influencesList[ geometry.id ] = influences; + + } + + // Collect influences + + for ( let i = 0; i < length; i ++ ) { + + const influence = influences[ i ]; + + influence[ 0 ] = i; + influence[ 1 ] = objectInfluences[ i ]; + + } + + influences.sort( absNumericalSort ); + + for ( let i = 0; i < 8; i ++ ) { + + if ( i < length && influences[ i ][ 1 ] ) { + + workInfluences[ i ][ 0 ] = influences[ i ][ 0 ]; + workInfluences[ i ][ 1 ] = influences[ i ][ 1 ]; + + } else { + + workInfluences[ i ][ 0 ] = Number.MAX_SAFE_INTEGER; + workInfluences[ i ][ 1 ] = 0; + + } + + } + + workInfluences.sort( numericalSort ); + + const morphTargets = geometry.morphAttributes.position; + const morphNormals = geometry.morphAttributes.normal; + + let morphInfluencesSum = 0; + + for ( let i = 0; i < 8; i ++ ) { + + const influence = workInfluences[ i ]; + const index = influence[ 0 ]; + const value = influence[ 1 ]; + + if ( index !== Number.MAX_SAFE_INTEGER && value ) { + + if ( morphTargets && geometry.getAttribute( 'morphTarget' + i ) !== morphTargets[ index ] ) { + + geometry.setAttribute( 'morphTarget' + i, morphTargets[ index ] ); + + } + + if ( morphNormals && geometry.getAttribute( 'morphNormal' + i ) !== morphNormals[ index ] ) { + + geometry.setAttribute( 'morphNormal' + i, morphNormals[ index ] ); + + } + + morphInfluences[ i ] = value; + morphInfluencesSum += value; + + } else { + + if ( morphTargets && geometry.hasAttribute( 'morphTarget' + i ) === true ) { + + geometry.deleteAttribute( 'morphTarget' + i ); + + } + + if ( morphNormals && geometry.hasAttribute( 'morphNormal' + i ) === true ) { + + geometry.deleteAttribute( 'morphNormal' + i ); + + } + + morphInfluences[ i ] = 0; + + } + + } + + // GLSL shader uses formula baseinfluence * base + sum(target * influence) + // This allows us to switch between absolute morphs and relative morphs without changing shader code + // When baseinfluence = 1 - sum(influence), the above is equivalent to sum((target - base) * influence) + const morphBaseInfluence = geometry.morphTargetsRelative ? 1 : 1 - morphInfluencesSum; + + program.getUniforms().setValue( gl, 'morphTargetBaseInfluence', morphBaseInfluence ); + program.getUniforms().setValue( gl, 'morphTargetInfluences', morphInfluences ); + + } + + } + + return { + + update: update + + }; + +} + +function WebGLObjects( gl, geometries, attributes, info ) { + + let updateMap = new WeakMap(); + + function update( object ) { + + const frame = info.render.frame; + + const geometry = object.geometry; + const buffergeometry = geometries.get( object, geometry ); + + // Update once per frame + + if ( updateMap.get( buffergeometry ) !== frame ) { + + geometries.update( buffergeometry ); + + updateMap.set( buffergeometry, frame ); + + } + + if ( object.isInstancedMesh ) { + + if ( object.hasEventListener( 'dispose', onInstancedMeshDispose ) === false ) { + + object.addEventListener( 'dispose', onInstancedMeshDispose ); + + } + + attributes.update( object.instanceMatrix, 34962 ); + + if ( object.instanceColor !== null ) { + + attributes.update( object.instanceColor, 34962 ); + + } + + } + + return buffergeometry; + + } + + function dispose() { + + updateMap = new WeakMap(); + + } + + function onInstancedMeshDispose( event ) { + + const instancedMesh = event.target; + + instancedMesh.removeEventListener( 'dispose', onInstancedMeshDispose ); + + attributes.remove( instancedMesh.instanceMatrix ); + + if ( instancedMesh.instanceColor !== null ) attributes.remove( instancedMesh.instanceColor ); + + } + + return { + + update: update, + dispose: dispose + + }; + +} + +/** + * Uniforms of a program. + * Those form a tree structure with a special top-level container for the root, + * which you get by calling 'new WebGLUniforms( gl, program )'. + * + * + * Properties of inner nodes including the top-level container: + * + * .seq - array of nested uniforms + * .map - nested uniforms by name + * + * + * Methods of all nodes except the top-level container: + * + * .setValue( gl, value, [textures] ) + * + * uploads a uniform value(s) + * the 'textures' parameter is needed for sampler uniforms + * + * + * Static methods of the top-level container (textures factorizations): + * + * .upload( gl, seq, values, textures ) + * + * sets uniforms in 'seq' to 'values[id].value' + * + * .seqWithValue( seq, values ) : filteredSeq + * + * filters 'seq' entries with corresponding entry in values + * + * + * Methods of the top-level container (textures factorizations): + * + * .setValue( gl, name, value, textures ) + * + * sets uniform with name 'name' to 'value' + * + * .setOptional( gl, obj, prop ) + * + * like .set for an optional property of the object + * + */ + +const emptyTexture = /*@__PURE__*/ new Texture(); +const emptyArrayTexture = /*@__PURE__*/ new DataArrayTexture(); +const empty3dTexture = /*@__PURE__*/ new Data3DTexture(); +const emptyCubeTexture = /*@__PURE__*/ new CubeTexture(); + +// --- Utilities --- + +// Array Caches (provide typed arrays for temporary by size) + +const arrayCacheF32 = []; +const arrayCacheI32 = []; + +// Float32Array caches used for uploading Matrix uniforms + +const mat4array = new Float32Array( 16 ); +const mat3array = new Float32Array( 9 ); +const mat2array = new Float32Array( 4 ); + +// Flattening for arrays of vectors and matrices + +function flatten( array, nBlocks, blockSize ) { + + const firstElem = array[ 0 ]; + + if ( firstElem <= 0 || firstElem > 0 ) return array; + // unoptimized: ! isNaN( firstElem ) + // see http://jacksondunstan.com/articles/983 + + const n = nBlocks * blockSize; + let r = arrayCacheF32[ n ]; + + if ( r === undefined ) { + + r = new Float32Array( n ); + arrayCacheF32[ n ] = r; + + } + + if ( nBlocks !== 0 ) { + + firstElem.toArray( r, 0 ); + + for ( let i = 1, offset = 0; i !== nBlocks; ++ i ) { + + offset += blockSize; + array[ i ].toArray( r, offset ); + + } + + } + + return r; + +} + +function arraysEqual( a, b ) { + + if ( a.length !== b.length ) return false; + + for ( let i = 0, l = a.length; i < l; i ++ ) { + + if ( a[ i ] !== b[ i ] ) return false; + + } + + return true; + +} + +function copyArray( a, b ) { + + for ( let i = 0, l = b.length; i < l; i ++ ) { + + a[ i ] = b[ i ]; + + } + +} + +// Texture unit allocation + +function allocTexUnits( textures, n ) { + + let r = arrayCacheI32[ n ]; + + if ( r === undefined ) { + + r = new Int32Array( n ); + arrayCacheI32[ n ] = r; + + } + + for ( let i = 0; i !== n; ++ i ) { + + r[ i ] = textures.allocateTextureUnit(); + + } + + return r; + +} + +// --- Setters --- + +// Note: Defining these methods externally, because they come in a bunch +// and this way their names minify. + +// Single scalar + +function setValueV1f( gl, v ) { + + const cache = this.cache; + + if ( cache[ 0 ] === v ) return; + + gl.uniform1f( this.addr, v ); + + cache[ 0 ] = v; + +} + +// Single float vector (from flat array or THREE.VectorN) + +function setValueV2f( gl, v ) { + + const cache = this.cache; + + if ( v.x !== undefined ) { + + if ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y ) { + + gl.uniform2f( this.addr, v.x, v.y ); + + cache[ 0 ] = v.x; + cache[ 1 ] = v.y; + + } + + } else { + + if ( arraysEqual( cache, v ) ) return; + + gl.uniform2fv( this.addr, v ); + + copyArray( cache, v ); + + } + +} + +function setValueV3f( gl, v ) { + + const cache = this.cache; + + if ( v.x !== undefined ) { + + if ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z ) { + + gl.uniform3f( this.addr, v.x, v.y, v.z ); + + cache[ 0 ] = v.x; + cache[ 1 ] = v.y; + cache[ 2 ] = v.z; + + } + + } else if ( v.r !== undefined ) { + + if ( cache[ 0 ] !== v.r || cache[ 1 ] !== v.g || cache[ 2 ] !== v.b ) { + + gl.uniform3f( this.addr, v.r, v.g, v.b ); + + cache[ 0 ] = v.r; + cache[ 1 ] = v.g; + cache[ 2 ] = v.b; + + } + + } else { + + if ( arraysEqual( cache, v ) ) return; + + gl.uniform3fv( this.addr, v ); + + copyArray( cache, v ); + + } + +} + +function setValueV4f( gl, v ) { + + const cache = this.cache; + + if ( v.x !== undefined ) { + + if ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z || cache[ 3 ] !== v.w ) { + + gl.uniform4f( this.addr, v.x, v.y, v.z, v.w ); + + cache[ 0 ] = v.x; + cache[ 1 ] = v.y; + cache[ 2 ] = v.z; + cache[ 3 ] = v.w; + + } + + } else { + + if ( arraysEqual( cache, v ) ) return; + + gl.uniform4fv( this.addr, v ); + + copyArray( cache, v ); + + } + +} + +// Single matrix (from flat array or THREE.MatrixN) + +function setValueM2( gl, v ) { + + const cache = this.cache; + const elements = v.elements; + + if ( elements === undefined ) { + + if ( arraysEqual( cache, v ) ) return; + + gl.uniformMatrix2fv( this.addr, false, v ); + + copyArray( cache, v ); + + } else { + + if ( arraysEqual( cache, elements ) ) return; + + mat2array.set( elements ); + + gl.uniformMatrix2fv( this.addr, false, mat2array ); + + copyArray( cache, elements ); + + } + +} + +function setValueM3( gl, v ) { + + const cache = this.cache; + const elements = v.elements; + + if ( elements === undefined ) { + + if ( arraysEqual( cache, v ) ) return; + + gl.uniformMatrix3fv( this.addr, false, v ); + + copyArray( cache, v ); + + } else { + + if ( arraysEqual( cache, elements ) ) return; + + mat3array.set( elements ); + + gl.uniformMatrix3fv( this.addr, false, mat3array ); + + copyArray( cache, elements ); + + } + +} + +function setValueM4( gl, v ) { + + const cache = this.cache; + const elements = v.elements; + + if ( elements === undefined ) { + + if ( arraysEqual( cache, v ) ) return; + + gl.uniformMatrix4fv( this.addr, false, v ); + + copyArray( cache, v ); + + } else { + + if ( arraysEqual( cache, elements ) ) return; + + mat4array.set( elements ); + + gl.uniformMatrix4fv( this.addr, false, mat4array ); + + copyArray( cache, elements ); + + } + +} + +// Single integer / boolean + +function setValueV1i( gl, v ) { + + const cache = this.cache; + + if ( cache[ 0 ] === v ) return; + + gl.uniform1i( this.addr, v ); + + cache[ 0 ] = v; + +} + +// Single integer / boolean vector (from flat array) + +function setValueV2i( gl, v ) { + + const cache = this.cache; + + if ( arraysEqual( cache, v ) ) return; + + gl.uniform2iv( this.addr, v ); + + copyArray( cache, v ); + +} + +function setValueV3i( gl, v ) { + + const cache = this.cache; + + if ( arraysEqual( cache, v ) ) return; + + gl.uniform3iv( this.addr, v ); + + copyArray( cache, v ); + +} + +function setValueV4i( gl, v ) { + + const cache = this.cache; + + if ( arraysEqual( cache, v ) ) return; + + gl.uniform4iv( this.addr, v ); + + copyArray( cache, v ); + +} + +// Single unsigned integer + +function setValueV1ui( gl, v ) { + + const cache = this.cache; + + if ( cache[ 0 ] === v ) return; + + gl.uniform1ui( this.addr, v ); + + cache[ 0 ] = v; + +} + +// Single unsigned integer vector (from flat array) + +function setValueV2ui( gl, v ) { + + const cache = this.cache; + + if ( arraysEqual( cache, v ) ) return; + + gl.uniform2uiv( this.addr, v ); + + copyArray( cache, v ); + +} + +function setValueV3ui( gl, v ) { + + const cache = this.cache; + + if ( arraysEqual( cache, v ) ) return; + + gl.uniform3uiv( this.addr, v ); + + copyArray( cache, v ); + +} + +function setValueV4ui( gl, v ) { + + const cache = this.cache; + + if ( arraysEqual( cache, v ) ) return; + + gl.uniform4uiv( this.addr, v ); + + copyArray( cache, v ); + +} + + +// Single texture (2D / Cube) + +function setValueT1( gl, v, textures ) { + + const cache = this.cache; + const unit = textures.allocateTextureUnit(); + + if ( cache[ 0 ] !== unit ) { + + gl.uniform1i( this.addr, unit ); + cache[ 0 ] = unit; + + } + + textures.setTexture2D( v || emptyTexture, unit ); + +} + +function setValueT3D1( gl, v, textures ) { + + const cache = this.cache; + const unit = textures.allocateTextureUnit(); + + if ( cache[ 0 ] !== unit ) { + + gl.uniform1i( this.addr, unit ); + cache[ 0 ] = unit; + + } + + textures.setTexture3D( v || empty3dTexture, unit ); + +} + +function setValueT6( gl, v, textures ) { + + const cache = this.cache; + const unit = textures.allocateTextureUnit(); + + if ( cache[ 0 ] !== unit ) { + + gl.uniform1i( this.addr, unit ); + cache[ 0 ] = unit; + + } + + textures.setTextureCube( v || emptyCubeTexture, unit ); + +} + +function setValueT2DArray1( gl, v, textures ) { + + const cache = this.cache; + const unit = textures.allocateTextureUnit(); + + if ( cache[ 0 ] !== unit ) { + + gl.uniform1i( this.addr, unit ); + cache[ 0 ] = unit; + + } + + textures.setTexture2DArray( v || emptyArrayTexture, unit ); + +} + +// Helper to pick the right setter for the singular case + +function getSingularSetter( type ) { + + switch ( type ) { + + case 0x1406: return setValueV1f; // FLOAT + case 0x8b50: return setValueV2f; // _VEC2 + case 0x8b51: return setValueV3f; // _VEC3 + case 0x8b52: return setValueV4f; // _VEC4 + + case 0x8b5a: return setValueM2; // _MAT2 + case 0x8b5b: return setValueM3; // _MAT3 + case 0x8b5c: return setValueM4; // _MAT4 + + case 0x1404: case 0x8b56: return setValueV1i; // INT, BOOL + case 0x8b53: case 0x8b57: return setValueV2i; // _VEC2 + case 0x8b54: case 0x8b58: return setValueV3i; // _VEC3 + case 0x8b55: case 0x8b59: return setValueV4i; // _VEC4 + + case 0x1405: return setValueV1ui; // UINT + case 0x8dc6: return setValueV2ui; // _VEC2 + case 0x8dc7: return setValueV3ui; // _VEC3 + case 0x8dc8: return setValueV4ui; // _VEC4 + + case 0x8b5e: // SAMPLER_2D + case 0x8d66: // SAMPLER_EXTERNAL_OES + case 0x8dca: // INT_SAMPLER_2D + case 0x8dd2: // UNSIGNED_INT_SAMPLER_2D + case 0x8b62: // SAMPLER_2D_SHADOW + return setValueT1; + + case 0x8b5f: // SAMPLER_3D + case 0x8dcb: // INT_SAMPLER_3D + case 0x8dd3: // UNSIGNED_INT_SAMPLER_3D + return setValueT3D1; + + case 0x8b60: // SAMPLER_CUBE + case 0x8dcc: // INT_SAMPLER_CUBE + case 0x8dd4: // UNSIGNED_INT_SAMPLER_CUBE + case 0x8dc5: // SAMPLER_CUBE_SHADOW + return setValueT6; + + case 0x8dc1: // SAMPLER_2D_ARRAY + case 0x8dcf: // INT_SAMPLER_2D_ARRAY + case 0x8dd7: // UNSIGNED_INT_SAMPLER_2D_ARRAY + case 0x8dc4: // SAMPLER_2D_ARRAY_SHADOW + return setValueT2DArray1; + + } + +} + + +// Array of scalars + +function setValueV1fArray( gl, v ) { + + gl.uniform1fv( this.addr, v ); + +} + +// Array of vectors (from flat array or array of THREE.VectorN) + +function setValueV2fArray( gl, v ) { + + const data = flatten( v, this.size, 2 ); + + gl.uniform2fv( this.addr, data ); + +} + +function setValueV3fArray( gl, v ) { + + const data = flatten( v, this.size, 3 ); + + gl.uniform3fv( this.addr, data ); + +} + +function setValueV4fArray( gl, v ) { + + const data = flatten( v, this.size, 4 ); + + gl.uniform4fv( this.addr, data ); + +} + +// Array of matrices (from flat array or array of THREE.MatrixN) + +function setValueM2Array( gl, v ) { + + const data = flatten( v, this.size, 4 ); + + gl.uniformMatrix2fv( this.addr, false, data ); + +} + +function setValueM3Array( gl, v ) { + + const data = flatten( v, this.size, 9 ); + + gl.uniformMatrix3fv( this.addr, false, data ); + +} + +function setValueM4Array( gl, v ) { + + const data = flatten( v, this.size, 16 ); + + gl.uniformMatrix4fv( this.addr, false, data ); + +} + +// Array of integer / boolean + +function setValueV1iArray( gl, v ) { + + gl.uniform1iv( this.addr, v ); + +} + +// Array of integer / boolean vectors (from flat array) + +function setValueV2iArray( gl, v ) { + + gl.uniform2iv( this.addr, v ); + +} + +function setValueV3iArray( gl, v ) { + + gl.uniform3iv( this.addr, v ); + +} + +function setValueV4iArray( gl, v ) { + + gl.uniform4iv( this.addr, v ); + +} + +// Array of unsigned integer + +function setValueV1uiArray( gl, v ) { + + gl.uniform1uiv( this.addr, v ); + +} + +// Array of unsigned integer vectors (from flat array) + +function setValueV2uiArray( gl, v ) { + + gl.uniform2uiv( this.addr, v ); + +} + +function setValueV3uiArray( gl, v ) { + + gl.uniform3uiv( this.addr, v ); + +} + +function setValueV4uiArray( gl, v ) { + + gl.uniform4uiv( this.addr, v ); + +} + + +// Array of textures (2D / 3D / Cube / 2DArray) + +function setValueT1Array( gl, v, textures ) { + + const n = v.length; + + const units = allocTexUnits( textures, n ); + + gl.uniform1iv( this.addr, units ); + + for ( let i = 0; i !== n; ++ i ) { + + textures.setTexture2D( v[ i ] || emptyTexture, units[ i ] ); + + } + +} + +function setValueT3DArray( gl, v, textures ) { + + const n = v.length; + + const units = allocTexUnits( textures, n ); + + gl.uniform1iv( this.addr, units ); + + for ( let i = 0; i !== n; ++ i ) { + + textures.setTexture3D( v[ i ] || empty3dTexture, units[ i ] ); + + } + +} + +function setValueT6Array( gl, v, textures ) { + + const n = v.length; + + const units = allocTexUnits( textures, n ); + + gl.uniform1iv( this.addr, units ); + + for ( let i = 0; i !== n; ++ i ) { + + textures.setTextureCube( v[ i ] || emptyCubeTexture, units[ i ] ); + + } + +} + +function setValueT2DArrayArray( gl, v, textures ) { + + const n = v.length; + + const units = allocTexUnits( textures, n ); + + gl.uniform1iv( this.addr, units ); + + for ( let i = 0; i !== n; ++ i ) { + + textures.setTexture2DArray( v[ i ] || emptyArrayTexture, units[ i ] ); + + } + +} + + +// Helper to pick the right setter for a pure (bottom-level) array + +function getPureArraySetter( type ) { + + switch ( type ) { + + case 0x1406: return setValueV1fArray; // FLOAT + case 0x8b50: return setValueV2fArray; // _VEC2 + case 0x8b51: return setValueV3fArray; // _VEC3 + case 0x8b52: return setValueV4fArray; // _VEC4 + + case 0x8b5a: return setValueM2Array; // _MAT2 + case 0x8b5b: return setValueM3Array; // _MAT3 + case 0x8b5c: return setValueM4Array; // _MAT4 + + case 0x1404: case 0x8b56: return setValueV1iArray; // INT, BOOL + case 0x8b53: case 0x8b57: return setValueV2iArray; // _VEC2 + case 0x8b54: case 0x8b58: return setValueV3iArray; // _VEC3 + case 0x8b55: case 0x8b59: return setValueV4iArray; // _VEC4 + + case 0x1405: return setValueV1uiArray; // UINT + case 0x8dc6: return setValueV2uiArray; // _VEC2 + case 0x8dc7: return setValueV3uiArray; // _VEC3 + case 0x8dc8: return setValueV4uiArray; // _VEC4 + + case 0x8b5e: // SAMPLER_2D + case 0x8d66: // SAMPLER_EXTERNAL_OES + case 0x8dca: // INT_SAMPLER_2D + case 0x8dd2: // UNSIGNED_INT_SAMPLER_2D + case 0x8b62: // SAMPLER_2D_SHADOW + return setValueT1Array; + + case 0x8b5f: // SAMPLER_3D + case 0x8dcb: // INT_SAMPLER_3D + case 0x8dd3: // UNSIGNED_INT_SAMPLER_3D + return setValueT3DArray; + + case 0x8b60: // SAMPLER_CUBE + case 0x8dcc: // INT_SAMPLER_CUBE + case 0x8dd4: // UNSIGNED_INT_SAMPLER_CUBE + case 0x8dc5: // SAMPLER_CUBE_SHADOW + return setValueT6Array; + + case 0x8dc1: // SAMPLER_2D_ARRAY + case 0x8dcf: // INT_SAMPLER_2D_ARRAY + case 0x8dd7: // UNSIGNED_INT_SAMPLER_2D_ARRAY + case 0x8dc4: // SAMPLER_2D_ARRAY_SHADOW + return setValueT2DArrayArray; + + } + +} + +// --- Uniform Classes --- + +class SingleUniform { + + constructor( id, activeInfo, addr ) { + + this.id = id; + this.addr = addr; + this.cache = []; + this.setValue = getSingularSetter( activeInfo.type ); + + // this.path = activeInfo.name; // DEBUG + + } + +} + +class PureArrayUniform { + + constructor( id, activeInfo, addr ) { + + this.id = id; + this.addr = addr; + this.cache = []; + this.size = activeInfo.size; + this.setValue = getPureArraySetter( activeInfo.type ); + + // this.path = activeInfo.name; // DEBUG + + } + +} + +class StructuredUniform { + + constructor( id ) { + + this.id = id; + + this.seq = []; + this.map = {}; + + } + + setValue( gl, value, textures ) { + + const seq = this.seq; + + for ( let i = 0, n = seq.length; i !== n; ++ i ) { + + const u = seq[ i ]; + u.setValue( gl, value[ u.id ], textures ); + + } + + } + +} + +// --- Top-level --- + +// Parser - builds up the property tree from the path strings + +const RePathPart = /(\w+)(\])?(\[|\.)?/g; + +// extracts +// - the identifier (member name or array index) +// - followed by an optional right bracket (found when array index) +// - followed by an optional left bracket or dot (type of subscript) +// +// Note: These portions can be read in a non-overlapping fashion and +// allow straightforward parsing of the hierarchy that WebGL encodes +// in the uniform names. + +function addUniform( container, uniformObject ) { + + container.seq.push( uniformObject ); + container.map[ uniformObject.id ] = uniformObject; + +} + +function parseUniform( activeInfo, addr, container ) { + + const path = activeInfo.name, + pathLength = path.length; + + // reset RegExp object, because of the early exit of a previous run + RePathPart.lastIndex = 0; + + while ( true ) { + + const match = RePathPart.exec( path ), + matchEnd = RePathPart.lastIndex; + + let id = match[ 1 ]; + const idIsIndex = match[ 2 ] === ']', + subscript = match[ 3 ]; + + if ( idIsIndex ) id = id | 0; // convert to integer + + if ( subscript === undefined || subscript === '[' && matchEnd + 2 === pathLength ) { + + // bare name or "pure" bottom-level array "[0]" suffix + + addUniform( container, subscript === undefined ? + new SingleUniform( id, activeInfo, addr ) : + new PureArrayUniform( id, activeInfo, addr ) ); + + break; + + } else { + + // step into inner node / create it in case it doesn't exist + + const map = container.map; + let next = map[ id ]; + + if ( next === undefined ) { + + next = new StructuredUniform( id ); + addUniform( container, next ); + + } + + container = next; + + } + + } + +} + +// Root Container + +class WebGLUniforms { + + constructor( gl, program ) { + + this.seq = []; + this.map = {}; + + const n = gl.getProgramParameter( program, 35718 ); + + for ( let i = 0; i < n; ++ i ) { + + const info = gl.getActiveUniform( program, i ), + addr = gl.getUniformLocation( program, info.name ); + + parseUniform( info, addr, this ); + + } + + } + + setValue( gl, name, value, textures ) { + + const u = this.map[ name ]; + + if ( u !== undefined ) u.setValue( gl, value, textures ); + + } + + setOptional( gl, object, name ) { + + const v = object[ name ]; + + if ( v !== undefined ) this.setValue( gl, name, v ); + + } + + static upload( gl, seq, values, textures ) { + + for ( let i = 0, n = seq.length; i !== n; ++ i ) { + + const u = seq[ i ], + v = values[ u.id ]; + + if ( v.needsUpdate !== false ) { + + // note: always updating when .needsUpdate is undefined + u.setValue( gl, v.value, textures ); + + } + + } + + } + + static seqWithValue( seq, values ) { + + const r = []; + + for ( let i = 0, n = seq.length; i !== n; ++ i ) { + + const u = seq[ i ]; + if ( u.id in values ) r.push( u ); + + } + + return r; + + } + +} + +function WebGLShader( gl, type, string ) { + + const shader = gl.createShader( type ); + + gl.shaderSource( shader, string ); + gl.compileShader( shader ); + + return shader; + +} + +let programIdCount = 0; + +function handleSource( string, errorLine ) { + + const lines = string.split( '\n' ); + const lines2 = []; + + const from = Math.max( errorLine - 6, 0 ); + const to = Math.min( errorLine + 6, lines.length ); + + for ( let i = from; i < to; i ++ ) { + + const line = i + 1; + lines2.push( `${line === errorLine ? '>' : ' '} ${line}: ${lines[ i ]}` ); + + } + + return lines2.join( '\n' ); + +} + +function getEncodingComponents( encoding ) { + + switch ( encoding ) { + + case LinearEncoding: + return [ 'Linear', '( value )' ]; + case sRGBEncoding: + return [ 'sRGB', '( value )' ]; + default: + console.warn( 'THREE.WebGLProgram: Unsupported encoding:', encoding ); + return [ 'Linear', '( value )' ]; + + } + +} + +function getShaderErrors( gl, shader, type ) { + + const status = gl.getShaderParameter( shader, 35713 ); + const errors = gl.getShaderInfoLog( shader ).trim(); + + if ( status && errors === '' ) return ''; + + const errorMatches = /ERROR: 0:(\d+)/.exec( errors ); + if ( errorMatches ) { + + // --enable-privileged-webgl-extension + // console.log( '**' + type + '**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( shader ) ); + + const errorLine = parseInt( errorMatches[ 1 ] ); + return type.toUpperCase() + '\n\n' + errors + '\n\n' + handleSource( gl.getShaderSource( shader ), errorLine ); + + } else { + + return errors; + + } + +} + +function getTexelEncodingFunction( functionName, encoding ) { + + const components = getEncodingComponents( encoding ); + return 'vec4 ' + functionName + '( vec4 value ) { return LinearTo' + components[ 0 ] + components[ 1 ] + '; }'; + +} + +function getToneMappingFunction( functionName, toneMapping ) { + + let toneMappingName; + + switch ( toneMapping ) { + + case LinearToneMapping: + toneMappingName = 'Linear'; + break; + + case ReinhardToneMapping: + toneMappingName = 'Reinhard'; + break; + + case CineonToneMapping: + toneMappingName = 'OptimizedCineon'; + break; + + case ACESFilmicToneMapping: + toneMappingName = 'ACESFilmic'; + break; + + case CustomToneMapping: + toneMappingName = 'Custom'; + break; + + default: + console.warn( 'THREE.WebGLProgram: Unsupported toneMapping:', toneMapping ); + toneMappingName = 'Linear'; + + } + + return 'vec3 ' + functionName + '( vec3 color ) { return ' + toneMappingName + 'ToneMapping( color ); }'; + +} + +function generateExtensions( parameters ) { + + const chunks = [ + ( parameters.extensionDerivatives || !! parameters.envMapCubeUVHeight || parameters.bumpMap || parameters.tangentSpaceNormalMap || parameters.clearcoatNormalMap || parameters.flatShading || parameters.shaderID === 'physical' ) ? '#extension GL_OES_standard_derivatives : enable' : '', + ( parameters.extensionFragDepth || parameters.logarithmicDepthBuffer ) && parameters.rendererExtensionFragDepth ? '#extension GL_EXT_frag_depth : enable' : '', + ( parameters.extensionDrawBuffers && parameters.rendererExtensionDrawBuffers ) ? '#extension GL_EXT_draw_buffers : require' : '', + ( parameters.extensionShaderTextureLOD || parameters.envMap || parameters.transmission ) && parameters.rendererExtensionShaderTextureLod ? '#extension GL_EXT_shader_texture_lod : enable' : '' + ]; + + return chunks.filter( filterEmptyLine ).join( '\n' ); + +} + +function generateDefines( defines ) { + + const chunks = []; + + for ( const name in defines ) { + + const value = defines[ name ]; + + if ( value === false ) continue; + + chunks.push( '#define ' + name + ' ' + value ); + + } + + return chunks.join( '\n' ); + +} + +function fetchAttributeLocations( gl, program ) { + + const attributes = {}; + + const n = gl.getProgramParameter( program, 35721 ); + + for ( let i = 0; i < n; i ++ ) { + + const info = gl.getActiveAttrib( program, i ); + const name = info.name; + + let locationSize = 1; + if ( info.type === 35674 ) locationSize = 2; + if ( info.type === 35675 ) locationSize = 3; + if ( info.type === 35676 ) locationSize = 4; + + // console.log( 'THREE.WebGLProgram: ACTIVE VERTEX ATTRIBUTE:', name, i ); + + attributes[ name ] = { + type: info.type, + location: gl.getAttribLocation( program, name ), + locationSize: locationSize + }; + + } + + return attributes; + +} + +function filterEmptyLine( string ) { + + return string !== ''; + +} + +function replaceLightNums( string, parameters ) { + + return string + .replace( /NUM_DIR_LIGHTS/g, parameters.numDirLights ) + .replace( /NUM_SPOT_LIGHTS/g, parameters.numSpotLights ) + .replace( /NUM_RECT_AREA_LIGHTS/g, parameters.numRectAreaLights ) + .replace( /NUM_POINT_LIGHTS/g, parameters.numPointLights ) + .replace( /NUM_HEMI_LIGHTS/g, parameters.numHemiLights ) + .replace( /NUM_DIR_LIGHT_SHADOWS/g, parameters.numDirLightShadows ) + .replace( /NUM_SPOT_LIGHT_SHADOWS/g, parameters.numSpotLightShadows ) + .replace( /NUM_POINT_LIGHT_SHADOWS/g, parameters.numPointLightShadows ); + +} + +function replaceClippingPlaneNums( string, parameters ) { + + return string + .replace( /NUM_CLIPPING_PLANES/g, parameters.numClippingPlanes ) + .replace( /UNION_CLIPPING_PLANES/g, ( parameters.numClippingPlanes - parameters.numClipIntersection ) ); + +} + +// Resolve Includes + +const includePattern = /^[ \t]*#include +<([\w\d./]+)>/gm; + +function resolveIncludes( string ) { + + return string.replace( includePattern, includeReplacer ); + +} + +function includeReplacer( match, include ) { + + const string = ShaderChunk[ include ]; + + if ( string === undefined ) { + + throw new Error( 'Can not resolve #include <' + include + '>' ); + + } + + return resolveIncludes( string ); + +} + +// Unroll Loops + +const deprecatedUnrollLoopPattern = /#pragma unroll_loop[\s]+?for \( int i \= (\d+)\; i < (\d+)\; i \+\+ \) \{([\s\S]+?)(?=\})\}/g; +const unrollLoopPattern = /#pragma unroll_loop_start\s+for\s*\(\s*int\s+i\s*=\s*(\d+)\s*;\s*i\s*<\s*(\d+)\s*;\s*i\s*\+\+\s*\)\s*{([\s\S]+?)}\s+#pragma unroll_loop_end/g; + +function unrollLoops( string ) { + + return string + .replace( unrollLoopPattern, loopReplacer ) + .replace( deprecatedUnrollLoopPattern, deprecatedLoopReplacer ); + +} + +function deprecatedLoopReplacer( match, start, end, snippet ) { + + console.warn( 'WebGLProgram: #pragma unroll_loop shader syntax is deprecated. Please use #pragma unroll_loop_start syntax instead.' ); + return loopReplacer( match, start, end, snippet ); + +} + +function loopReplacer( match, start, end, snippet ) { + + let string = ''; + + for ( let i = parseInt( start ); i < parseInt( end ); i ++ ) { + + string += snippet + .replace( /\[\s*i\s*\]/g, '[ ' + i + ' ]' ) + .replace( /UNROLLED_LOOP_INDEX/g, i ); + + } + + return string; + +} + +// + +function generatePrecision( parameters ) { + + let precisionstring = 'precision ' + parameters.precision + ' float;\nprecision ' + parameters.precision + ' int;'; + + if ( parameters.precision === 'highp' ) { + + precisionstring += '\n#define HIGH_PRECISION'; + + } else if ( parameters.precision === 'mediump' ) { + + precisionstring += '\n#define MEDIUM_PRECISION'; + + } else if ( parameters.precision === 'lowp' ) { + + precisionstring += '\n#define LOW_PRECISION'; + + } + + return precisionstring; + +} + +function generateShadowMapTypeDefine( parameters ) { + + let shadowMapTypeDefine = 'SHADOWMAP_TYPE_BASIC'; + + if ( parameters.shadowMapType === PCFShadowMap ) { + + shadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF'; + + } else if ( parameters.shadowMapType === PCFSoftShadowMap ) { + + shadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF_SOFT'; + + } else if ( parameters.shadowMapType === VSMShadowMap ) { + + shadowMapTypeDefine = 'SHADOWMAP_TYPE_VSM'; + + } + + return shadowMapTypeDefine; + +} + +function generateEnvMapTypeDefine( parameters ) { + + let envMapTypeDefine = 'ENVMAP_TYPE_CUBE'; + + if ( parameters.envMap ) { + + switch ( parameters.envMapMode ) { + + case CubeReflectionMapping: + case CubeRefractionMapping: + envMapTypeDefine = 'ENVMAP_TYPE_CUBE'; + break; + + case CubeUVReflectionMapping: + envMapTypeDefine = 'ENVMAP_TYPE_CUBE_UV'; + break; + + } + + } + + return envMapTypeDefine; + +} + +function generateEnvMapModeDefine( parameters ) { + + let envMapModeDefine = 'ENVMAP_MODE_REFLECTION'; + + if ( parameters.envMap ) { + + switch ( parameters.envMapMode ) { + + case CubeRefractionMapping: + + envMapModeDefine = 'ENVMAP_MODE_REFRACTION'; + break; + + } + + } + + return envMapModeDefine; + +} + +function generateEnvMapBlendingDefine( parameters ) { + + let envMapBlendingDefine = 'ENVMAP_BLENDING_NONE'; + + if ( parameters.envMap ) { + + switch ( parameters.combine ) { + + case MultiplyOperation: + envMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY'; + break; + + case MixOperation: + envMapBlendingDefine = 'ENVMAP_BLENDING_MIX'; + break; + + case AddOperation: + envMapBlendingDefine = 'ENVMAP_BLENDING_ADD'; + break; + + } + + } + + return envMapBlendingDefine; + +} + +function generateCubeUVSize( parameters ) { + + const imageHeight = parameters.envMapCubeUVHeight; + + if ( imageHeight === null ) return null; + + const maxMip = Math.log2( imageHeight ) - 2; + + const texelHeight = 1.0 / imageHeight; + + const texelWidth = 1.0 / ( 3 * Math.max( Math.pow( 2, maxMip ), 7 * 16 ) ); + + return { texelWidth, texelHeight, maxMip }; + +} + +function WebGLProgram( renderer, cacheKey, parameters, bindingStates ) { + + // TODO Send this event to Three.js DevTools + // console.log( 'WebGLProgram', cacheKey ); + + const gl = renderer.getContext(); + + const defines = parameters.defines; + + let vertexShader = parameters.vertexShader; + let fragmentShader = parameters.fragmentShader; + + const shadowMapTypeDefine = generateShadowMapTypeDefine( parameters ); + const envMapTypeDefine = generateEnvMapTypeDefine( parameters ); + const envMapModeDefine = generateEnvMapModeDefine( parameters ); + const envMapBlendingDefine = generateEnvMapBlendingDefine( parameters ); + const envMapCubeUVSize = generateCubeUVSize( parameters ); + + const customExtensions = parameters.isWebGL2 ? '' : generateExtensions( parameters ); + + const customDefines = generateDefines( defines ); + + const program = gl.createProgram(); + + let prefixVertex, prefixFragment; + let versionString = parameters.glslVersion ? '#version ' + parameters.glslVersion + '\n' : ''; + + if ( parameters.isRawShaderMaterial ) { + + prefixVertex = [ + + customDefines + + ].filter( filterEmptyLine ).join( '\n' ); + + if ( prefixVertex.length > 0 ) { + + prefixVertex += '\n'; + + } + + prefixFragment = [ + + customExtensions, + customDefines + + ].filter( filterEmptyLine ).join( '\n' ); + + if ( prefixFragment.length > 0 ) { + + prefixFragment += '\n'; + + } + + } else { + + prefixVertex = [ + + generatePrecision( parameters ), + + '#define SHADER_NAME ' + parameters.shaderName, + + customDefines, + + parameters.instancing ? '#define USE_INSTANCING' : '', + parameters.instancingColor ? '#define USE_INSTANCING_COLOR' : '', + + parameters.supportsVertexTextures ? '#define VERTEX_TEXTURES' : '', + + ( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '', + ( parameters.useFog && parameters.fogExp2 ) ? '#define FOG_EXP2' : '', + + parameters.map ? '#define USE_MAP' : '', + parameters.envMap ? '#define USE_ENVMAP' : '', + parameters.envMap ? '#define ' + envMapModeDefine : '', + parameters.lightMap ? '#define USE_LIGHTMAP' : '', + parameters.aoMap ? '#define USE_AOMAP' : '', + parameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '', + parameters.bumpMap ? '#define USE_BUMPMAP' : '', + parameters.normalMap ? '#define USE_NORMALMAP' : '', + ( parameters.normalMap && parameters.objectSpaceNormalMap ) ? '#define OBJECTSPACE_NORMALMAP' : '', + ( parameters.normalMap && parameters.tangentSpaceNormalMap ) ? '#define TANGENTSPACE_NORMALMAP' : '', + + parameters.clearcoatMap ? '#define USE_CLEARCOATMAP' : '', + parameters.clearcoatRoughnessMap ? '#define USE_CLEARCOAT_ROUGHNESSMAP' : '', + parameters.clearcoatNormalMap ? '#define USE_CLEARCOAT_NORMALMAP' : '', + + parameters.iridescenceMap ? '#define USE_IRIDESCENCEMAP' : '', + parameters.iridescenceThicknessMap ? '#define USE_IRIDESCENCE_THICKNESSMAP' : '', + + parameters.displacementMap && parameters.supportsVertexTextures ? '#define USE_DISPLACEMENTMAP' : '', + + parameters.specularMap ? '#define USE_SPECULARMAP' : '', + parameters.specularIntensityMap ? '#define USE_SPECULARINTENSITYMAP' : '', + parameters.specularColorMap ? '#define USE_SPECULARCOLORMAP' : '', + + parameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '', + parameters.metalnessMap ? '#define USE_METALNESSMAP' : '', + parameters.alphaMap ? '#define USE_ALPHAMAP' : '', + + parameters.transmission ? '#define USE_TRANSMISSION' : '', + parameters.transmissionMap ? '#define USE_TRANSMISSIONMAP' : '', + parameters.thicknessMap ? '#define USE_THICKNESSMAP' : '', + + parameters.sheenColorMap ? '#define USE_SHEENCOLORMAP' : '', + parameters.sheenRoughnessMap ? '#define USE_SHEENROUGHNESSMAP' : '', + + parameters.vertexTangents ? '#define USE_TANGENT' : '', + parameters.vertexColors ? '#define USE_COLOR' : '', + parameters.vertexAlphas ? '#define USE_COLOR_ALPHA' : '', + parameters.vertexUvs ? '#define USE_UV' : '', + parameters.uvsVertexOnly ? '#define UVS_VERTEX_ONLY' : '', + + parameters.flatShading ? '#define FLAT_SHADED' : '', + + parameters.skinning ? '#define USE_SKINNING' : '', + + parameters.morphTargets ? '#define USE_MORPHTARGETS' : '', + parameters.morphNormals && parameters.flatShading === false ? '#define USE_MORPHNORMALS' : '', + ( parameters.morphColors && parameters.isWebGL2 ) ? '#define USE_MORPHCOLORS' : '', + ( parameters.morphTargetsCount > 0 && parameters.isWebGL2 ) ? '#define MORPHTARGETS_TEXTURE' : '', + ( parameters.morphTargetsCount > 0 && parameters.isWebGL2 ) ? '#define MORPHTARGETS_TEXTURE_STRIDE ' + parameters.morphTextureStride : '', + ( parameters.morphTargetsCount > 0 && parameters.isWebGL2 ) ? '#define MORPHTARGETS_COUNT ' + parameters.morphTargetsCount : '', + parameters.doubleSided ? '#define DOUBLE_SIDED' : '', + parameters.flipSided ? '#define FLIP_SIDED' : '', + + parameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '', + parameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '', + + parameters.sizeAttenuation ? '#define USE_SIZEATTENUATION' : '', + + parameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '', + ( parameters.logarithmicDepthBuffer && parameters.rendererExtensionFragDepth ) ? '#define USE_LOGDEPTHBUF_EXT' : '', + + 'uniform mat4 modelMatrix;', + 'uniform mat4 modelViewMatrix;', + 'uniform mat4 projectionMatrix;', + 'uniform mat4 viewMatrix;', + 'uniform mat3 normalMatrix;', + 'uniform vec3 cameraPosition;', + 'uniform bool isOrthographic;', + + '#ifdef USE_INSTANCING', + + ' attribute mat4 instanceMatrix;', + + '#endif', + + '#ifdef USE_INSTANCING_COLOR', + + ' attribute vec3 instanceColor;', + + '#endif', + + 'attribute vec3 position;', + 'attribute vec3 normal;', + 'attribute vec2 uv;', + + '#ifdef USE_TANGENT', + + ' attribute vec4 tangent;', + + '#endif', + + '#if defined( USE_COLOR_ALPHA )', + + ' attribute vec4 color;', + + '#elif defined( USE_COLOR )', + + ' attribute vec3 color;', + + '#endif', + + '#if ( defined( USE_MORPHTARGETS ) && ! defined( MORPHTARGETS_TEXTURE ) )', + + ' attribute vec3 morphTarget0;', + ' attribute vec3 morphTarget1;', + ' attribute vec3 morphTarget2;', + ' attribute vec3 morphTarget3;', + + ' #ifdef USE_MORPHNORMALS', + + ' attribute vec3 morphNormal0;', + ' attribute vec3 morphNormal1;', + ' attribute vec3 morphNormal2;', + ' attribute vec3 morphNormal3;', + + ' #else', + + ' attribute vec3 morphTarget4;', + ' attribute vec3 morphTarget5;', + ' attribute vec3 morphTarget6;', + ' attribute vec3 morphTarget7;', + + ' #endif', + + '#endif', + + '#ifdef USE_SKINNING', + + ' attribute vec4 skinIndex;', + ' attribute vec4 skinWeight;', + + '#endif', + + '\n' + + ].filter( filterEmptyLine ).join( '\n' ); + + prefixFragment = [ + + customExtensions, + + generatePrecision( parameters ), + + '#define SHADER_NAME ' + parameters.shaderName, + + customDefines, + + ( parameters.useFog && parameters.fog ) ? '#define USE_FOG' : '', + ( parameters.useFog && parameters.fogExp2 ) ? '#define FOG_EXP2' : '', + + parameters.map ? '#define USE_MAP' : '', + parameters.matcap ? '#define USE_MATCAP' : '', + parameters.envMap ? '#define USE_ENVMAP' : '', + parameters.envMap ? '#define ' + envMapTypeDefine : '', + parameters.envMap ? '#define ' + envMapModeDefine : '', + parameters.envMap ? '#define ' + envMapBlendingDefine : '', + envMapCubeUVSize ? '#define CUBEUV_TEXEL_WIDTH ' + envMapCubeUVSize.texelWidth : '', + envMapCubeUVSize ? '#define CUBEUV_TEXEL_HEIGHT ' + envMapCubeUVSize.texelHeight : '', + envMapCubeUVSize ? '#define CUBEUV_MAX_MIP ' + envMapCubeUVSize.maxMip + '.0' : '', + parameters.lightMap ? '#define USE_LIGHTMAP' : '', + parameters.aoMap ? '#define USE_AOMAP' : '', + parameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '', + parameters.bumpMap ? '#define USE_BUMPMAP' : '', + parameters.normalMap ? '#define USE_NORMALMAP' : '', + ( parameters.normalMap && parameters.objectSpaceNormalMap ) ? '#define OBJECTSPACE_NORMALMAP' : '', + ( parameters.normalMap && parameters.tangentSpaceNormalMap ) ? '#define TANGENTSPACE_NORMALMAP' : '', + + parameters.clearcoat ? '#define USE_CLEARCOAT' : '', + parameters.clearcoatMap ? '#define USE_CLEARCOATMAP' : '', + parameters.clearcoatRoughnessMap ? '#define USE_CLEARCOAT_ROUGHNESSMAP' : '', + parameters.clearcoatNormalMap ? '#define USE_CLEARCOAT_NORMALMAP' : '', + + parameters.iridescence ? '#define USE_IRIDESCENCE' : '', + parameters.iridescenceMap ? '#define USE_IRIDESCENCEMAP' : '', + parameters.iridescenceThicknessMap ? '#define USE_IRIDESCENCE_THICKNESSMAP' : '', + + parameters.specularMap ? '#define USE_SPECULARMAP' : '', + parameters.specularIntensityMap ? '#define USE_SPECULARINTENSITYMAP' : '', + parameters.specularColorMap ? '#define USE_SPECULARCOLORMAP' : '', + parameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '', + parameters.metalnessMap ? '#define USE_METALNESSMAP' : '', + + parameters.alphaMap ? '#define USE_ALPHAMAP' : '', + parameters.alphaTest ? '#define USE_ALPHATEST' : '', + + parameters.sheen ? '#define USE_SHEEN' : '', + parameters.sheenColorMap ? '#define USE_SHEENCOLORMAP' : '', + parameters.sheenRoughnessMap ? '#define USE_SHEENROUGHNESSMAP' : '', + + parameters.transmission ? '#define USE_TRANSMISSION' : '', + parameters.transmissionMap ? '#define USE_TRANSMISSIONMAP' : '', + parameters.thicknessMap ? '#define USE_THICKNESSMAP' : '', + + parameters.decodeVideoTexture ? '#define DECODE_VIDEO_TEXTURE' : '', + + parameters.vertexTangents ? '#define USE_TANGENT' : '', + parameters.vertexColors || parameters.instancingColor ? '#define USE_COLOR' : '', + parameters.vertexAlphas ? '#define USE_COLOR_ALPHA' : '', + parameters.vertexUvs ? '#define USE_UV' : '', + parameters.uvsVertexOnly ? '#define UVS_VERTEX_ONLY' : '', + + parameters.gradientMap ? '#define USE_GRADIENTMAP' : '', + + parameters.flatShading ? '#define FLAT_SHADED' : '', + + parameters.doubleSided ? '#define DOUBLE_SIDED' : '', + parameters.flipSided ? '#define FLIP_SIDED' : '', + + parameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '', + parameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '', + + parameters.premultipliedAlpha ? '#define PREMULTIPLIED_ALPHA' : '', + + parameters.physicallyCorrectLights ? '#define PHYSICALLY_CORRECT_LIGHTS' : '', + + parameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '', + ( parameters.logarithmicDepthBuffer && parameters.rendererExtensionFragDepth ) ? '#define USE_LOGDEPTHBUF_EXT' : '', + + 'uniform mat4 viewMatrix;', + 'uniform vec3 cameraPosition;', + 'uniform bool isOrthographic;', + + ( parameters.toneMapping !== NoToneMapping ) ? '#define TONE_MAPPING' : '', + ( parameters.toneMapping !== NoToneMapping ) ? ShaderChunk[ 'tonemapping_pars_fragment' ] : '', // this code is required here because it is used by the toneMapping() function defined below + ( parameters.toneMapping !== NoToneMapping ) ? getToneMappingFunction( 'toneMapping', parameters.toneMapping ) : '', + + parameters.dithering ? '#define DITHERING' : '', + parameters.opaque ? '#define OPAQUE' : '', + + ShaderChunk[ 'encodings_pars_fragment' ], // this code is required here because it is used by the various encoding/decoding function defined below + getTexelEncodingFunction( 'linearToOutputTexel', parameters.outputEncoding ), + + parameters.useDepthPacking ? '#define DEPTH_PACKING ' + parameters.depthPacking : '', + + '\n' + + ].filter( filterEmptyLine ).join( '\n' ); + + } + + vertexShader = resolveIncludes( vertexShader ); + vertexShader = replaceLightNums( vertexShader, parameters ); + vertexShader = replaceClippingPlaneNums( vertexShader, parameters ); + + fragmentShader = resolveIncludes( fragmentShader ); + fragmentShader = replaceLightNums( fragmentShader, parameters ); + fragmentShader = replaceClippingPlaneNums( fragmentShader, parameters ); + + vertexShader = unrollLoops( vertexShader ); + fragmentShader = unrollLoops( fragmentShader ); + + if ( parameters.isWebGL2 && parameters.isRawShaderMaterial !== true ) { + + // GLSL 3.0 conversion for built-in materials and ShaderMaterial + + versionString = '#version 300 es\n'; + + prefixVertex = [ + 'precision mediump sampler2DArray;', + '#define attribute in', + '#define varying out', + '#define texture2D texture' + ].join( '\n' ) + '\n' + prefixVertex; + + prefixFragment = [ + '#define varying in', + ( parameters.glslVersion === GLSL3 ) ? '' : 'layout(location = 0) out highp vec4 pc_fragColor;', + ( parameters.glslVersion === GLSL3 ) ? '' : '#define gl_FragColor pc_fragColor', + '#define gl_FragDepthEXT gl_FragDepth', + '#define texture2D texture', + '#define textureCube texture', + '#define texture2DProj textureProj', + '#define texture2DLodEXT textureLod', + '#define texture2DProjLodEXT textureProjLod', + '#define textureCubeLodEXT textureLod', + '#define texture2DGradEXT textureGrad', + '#define texture2DProjGradEXT textureProjGrad', + '#define textureCubeGradEXT textureGrad' + ].join( '\n' ) + '\n' + prefixFragment; + + } + + const vertexGlsl = versionString + prefixVertex + vertexShader; + const fragmentGlsl = versionString + prefixFragment + fragmentShader; + + // console.log( '*VERTEX*', vertexGlsl ); + // console.log( '*FRAGMENT*', fragmentGlsl ); + + const glVertexShader = WebGLShader( gl, 35633, vertexGlsl ); + const glFragmentShader = WebGLShader( gl, 35632, fragmentGlsl ); + + gl.attachShader( program, glVertexShader ); + gl.attachShader( program, glFragmentShader ); + + // Force a particular attribute to index 0. + + if ( parameters.index0AttributeName !== undefined ) { + + gl.bindAttribLocation( program, 0, parameters.index0AttributeName ); + + } else if ( parameters.morphTargets === true ) { + + // programs with morphTargets displace position out of attribute 0 + gl.bindAttribLocation( program, 0, 'position' ); + + } + + gl.linkProgram( program ); + + // check for link errors + if ( renderer.debug.checkShaderErrors ) { + + const programLog = gl.getProgramInfoLog( program ).trim(); + const vertexLog = gl.getShaderInfoLog( glVertexShader ).trim(); + const fragmentLog = gl.getShaderInfoLog( glFragmentShader ).trim(); + + let runnable = true; + let haveDiagnostics = true; + + if ( gl.getProgramParameter( program, 35714 ) === false ) { + + runnable = false; + + const vertexErrors = getShaderErrors( gl, glVertexShader, 'vertex' ); + const fragmentErrors = getShaderErrors( gl, glFragmentShader, 'fragment' ); + + console.error( + 'THREE.WebGLProgram: Shader Error ' + gl.getError() + ' - ' + + 'VALIDATE_STATUS ' + gl.getProgramParameter( program, 35715 ) + '\n\n' + + 'Program Info Log: ' + programLog + '\n' + + vertexErrors + '\n' + + fragmentErrors + ); + + } else if ( programLog !== '' ) { + + console.warn( 'THREE.WebGLProgram: Program Info Log:', programLog ); + + } else if ( vertexLog === '' || fragmentLog === '' ) { + + haveDiagnostics = false; + + } + + if ( haveDiagnostics ) { + + this.diagnostics = { + + runnable: runnable, + + programLog: programLog, + + vertexShader: { + + log: vertexLog, + prefix: prefixVertex + + }, + + fragmentShader: { + + log: fragmentLog, + prefix: prefixFragment + + } + + }; + + } + + } + + // Clean up + + // Crashes in iOS9 and iOS10. #18402 + // gl.detachShader( program, glVertexShader ); + // gl.detachShader( program, glFragmentShader ); + + gl.deleteShader( glVertexShader ); + gl.deleteShader( glFragmentShader ); + + // set up caching for uniform locations + + let cachedUniforms; + + this.getUniforms = function () { + + if ( cachedUniforms === undefined ) { + + cachedUniforms = new WebGLUniforms( gl, program ); + + } + + return cachedUniforms; + + }; + + // set up caching for attribute locations + + let cachedAttributes; + + this.getAttributes = function () { + + if ( cachedAttributes === undefined ) { + + cachedAttributes = fetchAttributeLocations( gl, program ); + + } + + return cachedAttributes; + + }; + + // free resource + + this.destroy = function () { + + bindingStates.releaseStatesOfProgram( this ); + + gl.deleteProgram( program ); + this.program = undefined; + + }; + + // + + this.name = parameters.shaderName; + this.id = programIdCount ++; + this.cacheKey = cacheKey; + this.usedTimes = 1; + this.program = program; + this.vertexShader = glVertexShader; + this.fragmentShader = glFragmentShader; + + return this; + +} + +let _id = 0; + +class WebGLShaderCache { + + constructor() { + + this.shaderCache = new Map(); + this.materialCache = new Map(); + + } + + update( material ) { + + const vertexShader = material.vertexShader; + const fragmentShader = material.fragmentShader; + + const vertexShaderStage = this._getShaderStage( vertexShader ); + const fragmentShaderStage = this._getShaderStage( fragmentShader ); + + const materialShaders = this._getShaderCacheForMaterial( material ); + + if ( materialShaders.has( vertexShaderStage ) === false ) { + + materialShaders.add( vertexShaderStage ); + vertexShaderStage.usedTimes ++; + + } + + if ( materialShaders.has( fragmentShaderStage ) === false ) { + + materialShaders.add( fragmentShaderStage ); + fragmentShaderStage.usedTimes ++; + + } + + return this; + + } + + remove( material ) { + + const materialShaders = this.materialCache.get( material ); + + for ( const shaderStage of materialShaders ) { + + shaderStage.usedTimes --; + + if ( shaderStage.usedTimes === 0 ) this.shaderCache.delete( shaderStage.code ); + + } + + this.materialCache.delete( material ); + + return this; + + } + + getVertexShaderID( material ) { + + return this._getShaderStage( material.vertexShader ).id; + + } + + getFragmentShaderID( material ) { + + return this._getShaderStage( material.fragmentShader ).id; + + } + + dispose() { + + this.shaderCache.clear(); + this.materialCache.clear(); + + } + + _getShaderCacheForMaterial( material ) { + + const cache = this.materialCache; + + if ( cache.has( material ) === false ) { + + cache.set( material, new Set() ); + + } + + return cache.get( material ); + + } + + _getShaderStage( code ) { + + const cache = this.shaderCache; + + if ( cache.has( code ) === false ) { + + const stage = new WebGLShaderStage( code ); + cache.set( code, stage ); + + } + + return cache.get( code ); + + } + +} + +class WebGLShaderStage { + + constructor( code ) { + + this.id = _id ++; + + this.code = code; + this.usedTimes = 0; + + } + +} + +function WebGLPrograms( renderer, cubemaps, cubeuvmaps, extensions, capabilities, bindingStates, clipping ) { + + const _programLayers = new Layers(); + const _customShaders = new WebGLShaderCache(); + const programs = []; + + const isWebGL2 = capabilities.isWebGL2; + const logarithmicDepthBuffer = capabilities.logarithmicDepthBuffer; + const vertexTextures = capabilities.vertexTextures; + let precision = capabilities.precision; + + const shaderIDs = { + MeshDepthMaterial: 'depth', + MeshDistanceMaterial: 'distanceRGBA', + MeshNormalMaterial: 'normal', + MeshBasicMaterial: 'basic', + MeshLambertMaterial: 'lambert', + MeshPhongMaterial: 'phong', + MeshToonMaterial: 'toon', + MeshStandardMaterial: 'physical', + MeshPhysicalMaterial: 'physical', + MeshMatcapMaterial: 'matcap', + LineBasicMaterial: 'basic', + LineDashedMaterial: 'dashed', + PointsMaterial: 'points', + ShadowMaterial: 'shadow', + SpriteMaterial: 'sprite' + }; + + function getParameters( material, lights, shadows, scene, object ) { + + const fog = scene.fog; + const geometry = object.geometry; + const environment = material.isMeshStandardMaterial ? scene.environment : null; + + const envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || environment ); + const envMapCubeUVHeight = ( !! envMap ) && ( envMap.mapping === CubeUVReflectionMapping ) ? envMap.image.height : null; + + const shaderID = shaderIDs[ material.type ]; + + // heuristics to create shader parameters according to lights in the scene + // (not to blow over maxLights budget) + + if ( material.precision !== null ) { + + precision = capabilities.getMaxPrecision( material.precision ); + + if ( precision !== material.precision ) { + + console.warn( 'THREE.WebGLProgram.getParameters:', material.precision, 'not supported, using', precision, 'instead.' ); + + } + + } + + // + + const morphAttribute = geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color; + const morphTargetsCount = ( morphAttribute !== undefined ) ? morphAttribute.length : 0; + + let morphTextureStride = 0; + + if ( geometry.morphAttributes.position !== undefined ) morphTextureStride = 1; + if ( geometry.morphAttributes.normal !== undefined ) morphTextureStride = 2; + if ( geometry.morphAttributes.color !== undefined ) morphTextureStride = 3; + + // + + let vertexShader, fragmentShader; + let customVertexShaderID, customFragmentShaderID; + + if ( shaderID ) { + + const shader = ShaderLib[ shaderID ]; + + vertexShader = shader.vertexShader; + fragmentShader = shader.fragmentShader; + + } else { + + vertexShader = material.vertexShader; + fragmentShader = material.fragmentShader; + + _customShaders.update( material ); + + customVertexShaderID = _customShaders.getVertexShaderID( material ); + customFragmentShaderID = _customShaders.getFragmentShaderID( material ); + + } + + const currentRenderTarget = renderer.getRenderTarget(); + + const useAlphaTest = material.alphaTest > 0; + const useClearcoat = material.clearcoat > 0; + const useIridescence = material.iridescence > 0; + + const parameters = { + + isWebGL2: isWebGL2, + + shaderID: shaderID, + shaderName: material.type, + + vertexShader: vertexShader, + fragmentShader: fragmentShader, + defines: material.defines, + + customVertexShaderID: customVertexShaderID, + customFragmentShaderID: customFragmentShaderID, + + isRawShaderMaterial: material.isRawShaderMaterial === true, + glslVersion: material.glslVersion, + + precision: precision, + + instancing: object.isInstancedMesh === true, + instancingColor: object.isInstancedMesh === true && object.instanceColor !== null, + + supportsVertexTextures: vertexTextures, + outputEncoding: ( currentRenderTarget === null ) ? renderer.outputEncoding : ( currentRenderTarget.isXRRenderTarget === true ? currentRenderTarget.texture.encoding : LinearEncoding ), + map: !! material.map, + matcap: !! material.matcap, + envMap: !! envMap, + envMapMode: envMap && envMap.mapping, + envMapCubeUVHeight: envMapCubeUVHeight, + lightMap: !! material.lightMap, + aoMap: !! material.aoMap, + emissiveMap: !! material.emissiveMap, + bumpMap: !! material.bumpMap, + normalMap: !! material.normalMap, + objectSpaceNormalMap: material.normalMapType === ObjectSpaceNormalMap, + tangentSpaceNormalMap: material.normalMapType === TangentSpaceNormalMap, + + decodeVideoTexture: !! material.map && ( material.map.isVideoTexture === true ) && ( material.map.encoding === sRGBEncoding ), + + clearcoat: useClearcoat, + clearcoatMap: useClearcoat && !! material.clearcoatMap, + clearcoatRoughnessMap: useClearcoat && !! material.clearcoatRoughnessMap, + clearcoatNormalMap: useClearcoat && !! material.clearcoatNormalMap, + + iridescence: useIridescence, + iridescenceMap: useIridescence && !! material.iridescenceMap, + iridescenceThicknessMap: useIridescence && !! material.iridescenceThicknessMap, + + displacementMap: !! material.displacementMap, + roughnessMap: !! material.roughnessMap, + metalnessMap: !! material.metalnessMap, + specularMap: !! material.specularMap, + specularIntensityMap: !! material.specularIntensityMap, + specularColorMap: !! material.specularColorMap, + + opaque: material.transparent === false && material.blending === NormalBlending, + + alphaMap: !! material.alphaMap, + alphaTest: useAlphaTest, + + gradientMap: !! material.gradientMap, + + sheen: material.sheen > 0, + sheenColorMap: !! material.sheenColorMap, + sheenRoughnessMap: !! material.sheenRoughnessMap, + + transmission: material.transmission > 0, + transmissionMap: !! material.transmissionMap, + thicknessMap: !! material.thicknessMap, + + combine: material.combine, + + vertexTangents: ( !! material.normalMap && !! geometry.attributes.tangent ), + vertexColors: material.vertexColors, + vertexAlphas: material.vertexColors === true && !! geometry.attributes.color && geometry.attributes.color.itemSize === 4, + vertexUvs: !! material.map || !! material.bumpMap || !! material.normalMap || !! material.specularMap || !! material.alphaMap || !! material.emissiveMap || !! material.roughnessMap || !! material.metalnessMap || !! material.clearcoatMap || !! material.clearcoatRoughnessMap || !! material.clearcoatNormalMap || !! material.iridescenceMap || !! material.iridescenceThicknessMap || !! material.displacementMap || !! material.transmissionMap || !! material.thicknessMap || !! material.specularIntensityMap || !! material.specularColorMap || !! material.sheenColorMap || !! material.sheenRoughnessMap, + uvsVertexOnly: ! ( !! material.map || !! material.bumpMap || !! material.normalMap || !! material.specularMap || !! material.alphaMap || !! material.emissiveMap || !! material.roughnessMap || !! material.metalnessMap || !! material.clearcoatNormalMap || !! material.iridescenceMap || !! material.iridescenceThicknessMap || material.transmission > 0 || !! material.transmissionMap || !! material.thicknessMap || !! material.specularIntensityMap || !! material.specularColorMap || material.sheen > 0 || !! material.sheenColorMap || !! material.sheenRoughnessMap ) && !! material.displacementMap, + + fog: !! fog, + useFog: material.fog === true, + fogExp2: ( fog && fog.isFogExp2 ), + + flatShading: !! material.flatShading, + + sizeAttenuation: material.sizeAttenuation, + logarithmicDepthBuffer: logarithmicDepthBuffer, + + skinning: object.isSkinnedMesh === true, + + morphTargets: geometry.morphAttributes.position !== undefined, + morphNormals: geometry.morphAttributes.normal !== undefined, + morphColors: geometry.morphAttributes.color !== undefined, + morphTargetsCount: morphTargetsCount, + morphTextureStride: morphTextureStride, + + numDirLights: lights.directional.length, + numPointLights: lights.point.length, + numSpotLights: lights.spot.length, + numRectAreaLights: lights.rectArea.length, + numHemiLights: lights.hemi.length, + + numDirLightShadows: lights.directionalShadowMap.length, + numPointLightShadows: lights.pointShadowMap.length, + numSpotLightShadows: lights.spotShadowMap.length, + + numClippingPlanes: clipping.numPlanes, + numClipIntersection: clipping.numIntersection, + + dithering: material.dithering, + + shadowMapEnabled: renderer.shadowMap.enabled && shadows.length > 0, + shadowMapType: renderer.shadowMap.type, + + toneMapping: material.toneMapped ? renderer.toneMapping : NoToneMapping, + physicallyCorrectLights: renderer.physicallyCorrectLights, + + premultipliedAlpha: material.premultipliedAlpha, + + doubleSided: material.side === DoubleSide, + flipSided: material.side === BackSide, + + useDepthPacking: !! material.depthPacking, + depthPacking: material.depthPacking || 0, + + index0AttributeName: material.index0AttributeName, + + extensionDerivatives: material.extensions && material.extensions.derivatives, + extensionFragDepth: material.extensions && material.extensions.fragDepth, + extensionDrawBuffers: material.extensions && material.extensions.drawBuffers, + extensionShaderTextureLOD: material.extensions && material.extensions.shaderTextureLOD, + + rendererExtensionFragDepth: isWebGL2 || extensions.has( 'EXT_frag_depth' ), + rendererExtensionDrawBuffers: isWebGL2 || extensions.has( 'WEBGL_draw_buffers' ), + rendererExtensionShaderTextureLod: isWebGL2 || extensions.has( 'EXT_shader_texture_lod' ), + + customProgramCacheKey: material.customProgramCacheKey() + + }; + + return parameters; + + } + + function getProgramCacheKey( parameters ) { + + const array = []; + + if ( parameters.shaderID ) { + + array.push( parameters.shaderID ); + + } else { + + array.push( parameters.customVertexShaderID ); + array.push( parameters.customFragmentShaderID ); + + } + + if ( parameters.defines !== undefined ) { + + for ( const name in parameters.defines ) { + + array.push( name ); + array.push( parameters.defines[ name ] ); + + } + + } + + if ( parameters.isRawShaderMaterial === false ) { + + getProgramCacheKeyParameters( array, parameters ); + getProgramCacheKeyBooleans( array, parameters ); + array.push( renderer.outputEncoding ); + + } + + array.push( parameters.customProgramCacheKey ); + + return array.join(); + + } + + function getProgramCacheKeyParameters( array, parameters ) { + + array.push( parameters.precision ); + array.push( parameters.outputEncoding ); + array.push( parameters.envMapMode ); + array.push( parameters.envMapCubeUVHeight ); + array.push( parameters.combine ); + array.push( parameters.vertexUvs ); + array.push( parameters.fogExp2 ); + array.push( parameters.sizeAttenuation ); + array.push( parameters.morphTargetsCount ); + array.push( parameters.morphAttributeCount ); + array.push( parameters.numDirLights ); + array.push( parameters.numPointLights ); + array.push( parameters.numSpotLights ); + array.push( parameters.numHemiLights ); + array.push( parameters.numRectAreaLights ); + array.push( parameters.numDirLightShadows ); + array.push( parameters.numPointLightShadows ); + array.push( parameters.numSpotLightShadows ); + array.push( parameters.shadowMapType ); + array.push( parameters.toneMapping ); + array.push( parameters.numClippingPlanes ); + array.push( parameters.numClipIntersection ); + array.push( parameters.depthPacking ); + + } + + function getProgramCacheKeyBooleans( array, parameters ) { + + _programLayers.disableAll(); + + if ( parameters.isWebGL2 ) + _programLayers.enable( 0 ); + if ( parameters.supportsVertexTextures ) + _programLayers.enable( 1 ); + if ( parameters.instancing ) + _programLayers.enable( 2 ); + if ( parameters.instancingColor ) + _programLayers.enable( 3 ); + if ( parameters.map ) + _programLayers.enable( 4 ); + if ( parameters.matcap ) + _programLayers.enable( 5 ); + if ( parameters.envMap ) + _programLayers.enable( 6 ); + if ( parameters.lightMap ) + _programLayers.enable( 7 ); + if ( parameters.aoMap ) + _programLayers.enable( 8 ); + if ( parameters.emissiveMap ) + _programLayers.enable( 9 ); + if ( parameters.bumpMap ) + _programLayers.enable( 10 ); + if ( parameters.normalMap ) + _programLayers.enable( 11 ); + if ( parameters.objectSpaceNormalMap ) + _programLayers.enable( 12 ); + if ( parameters.tangentSpaceNormalMap ) + _programLayers.enable( 13 ); + if ( parameters.clearcoat ) + _programLayers.enable( 14 ); + if ( parameters.clearcoatMap ) + _programLayers.enable( 15 ); + if ( parameters.clearcoatRoughnessMap ) + _programLayers.enable( 16 ); + if ( parameters.clearcoatNormalMap ) + _programLayers.enable( 17 ); + if ( parameters.iridescence ) + _programLayers.enable( 18 ); + if ( parameters.iridescenceMap ) + _programLayers.enable( 19 ); + if ( parameters.iridescenceThicknessMap ) + _programLayers.enable( 20 ); + if ( parameters.displacementMap ) + _programLayers.enable( 21 ); + if ( parameters.specularMap ) + _programLayers.enable( 22 ); + if ( parameters.roughnessMap ) + _programLayers.enable( 23 ); + if ( parameters.metalnessMap ) + _programLayers.enable( 24 ); + if ( parameters.gradientMap ) + _programLayers.enable( 25 ); + if ( parameters.alphaMap ) + _programLayers.enable( 26 ); + if ( parameters.alphaTest ) + _programLayers.enable( 27 ); + if ( parameters.vertexColors ) + _programLayers.enable( 28 ); + if ( parameters.vertexAlphas ) + _programLayers.enable( 29 ); + if ( parameters.vertexUvs ) + _programLayers.enable( 30 ); + if ( parameters.vertexTangents ) + _programLayers.enable( 31 ); + if ( parameters.uvsVertexOnly ) + _programLayers.enable( 32 ); + if ( parameters.fog ) + _programLayers.enable( 33 ); + + array.push( _programLayers.mask ); + _programLayers.disableAll(); + + if ( parameters.useFog ) + _programLayers.enable( 0 ); + if ( parameters.flatShading ) + _programLayers.enable( 1 ); + if ( parameters.logarithmicDepthBuffer ) + _programLayers.enable( 2 ); + if ( parameters.skinning ) + _programLayers.enable( 3 ); + if ( parameters.morphTargets ) + _programLayers.enable( 4 ); + if ( parameters.morphNormals ) + _programLayers.enable( 5 ); + if ( parameters.morphColors ) + _programLayers.enable( 6 ); + if ( parameters.premultipliedAlpha ) + _programLayers.enable( 7 ); + if ( parameters.shadowMapEnabled ) + _programLayers.enable( 8 ); + if ( parameters.physicallyCorrectLights ) + _programLayers.enable( 9 ); + if ( parameters.doubleSided ) + _programLayers.enable( 10 ); + if ( parameters.flipSided ) + _programLayers.enable( 11 ); + if ( parameters.useDepthPacking ) + _programLayers.enable( 12 ); + if ( parameters.dithering ) + _programLayers.enable( 13 ); + if ( parameters.specularIntensityMap ) + _programLayers.enable( 14 ); + if ( parameters.specularColorMap ) + _programLayers.enable( 15 ); + if ( parameters.transmission ) + _programLayers.enable( 16 ); + if ( parameters.transmissionMap ) + _programLayers.enable( 17 ); + if ( parameters.thicknessMap ) + _programLayers.enable( 18 ); + if ( parameters.sheen ) + _programLayers.enable( 19 ); + if ( parameters.sheenColorMap ) + _programLayers.enable( 20 ); + if ( parameters.sheenRoughnessMap ) + _programLayers.enable( 21 ); + if ( parameters.decodeVideoTexture ) + _programLayers.enable( 22 ); + if ( parameters.opaque ) + _programLayers.enable( 23 ); + + array.push( _programLayers.mask ); + + } + + function getUniforms( material ) { + + const shaderID = shaderIDs[ material.type ]; + let uniforms; + + if ( shaderID ) { + + const shader = ShaderLib[ shaderID ]; + uniforms = UniformsUtils.clone( shader.uniforms ); + + } else { + + uniforms = material.uniforms; + + } + + return uniforms; + + } + + function acquireProgram( parameters, cacheKey ) { + + let program; + + // Check if code has been already compiled + for ( let p = 0, pl = programs.length; p < pl; p ++ ) { + + const preexistingProgram = programs[ p ]; + + if ( preexistingProgram.cacheKey === cacheKey ) { + + program = preexistingProgram; + ++ program.usedTimes; + + break; + + } + + } + + if ( program === undefined ) { + + program = new WebGLProgram( renderer, cacheKey, parameters, bindingStates ); + programs.push( program ); + + } + + return program; + + } + + function releaseProgram( program ) { + + if ( -- program.usedTimes === 0 ) { + + // Remove from unordered set + const i = programs.indexOf( program ); + programs[ i ] = programs[ programs.length - 1 ]; + programs.pop(); + + // Free WebGL resources + program.destroy(); + + } + + } + + function releaseShaderCache( material ) { + + _customShaders.remove( material ); + + } + + function dispose() { + + _customShaders.dispose(); + + } + + return { + getParameters: getParameters, + getProgramCacheKey: getProgramCacheKey, + getUniforms: getUniforms, + acquireProgram: acquireProgram, + releaseProgram: releaseProgram, + releaseShaderCache: releaseShaderCache, + // Exposed for resource monitoring & error feedback via renderer.info: + programs: programs, + dispose: dispose + }; + +} + +function WebGLProperties() { + + let properties = new WeakMap(); + + function get( object ) { + + let map = properties.get( object ); + + if ( map === undefined ) { + + map = {}; + properties.set( object, map ); + + } + + return map; + + } + + function remove( object ) { + + properties.delete( object ); + + } + + function update( object, key, value ) { + + properties.get( object )[ key ] = value; + + } + + function dispose() { + + properties = new WeakMap(); + + } + + return { + get: get, + remove: remove, + update: update, + dispose: dispose + }; + +} + +function painterSortStable( a, b ) { + + if ( a.groupOrder !== b.groupOrder ) { + + return a.groupOrder - b.groupOrder; + + } else if ( a.renderOrder !== b.renderOrder ) { + + return a.renderOrder - b.renderOrder; + + } else if ( a.material.id !== b.material.id ) { + + return a.material.id - b.material.id; + + } else if ( a.z !== b.z ) { + + return a.z - b.z; + + } else { + + return a.id - b.id; + + } + +} + +function reversePainterSortStable( a, b ) { + + if ( a.groupOrder !== b.groupOrder ) { + + return a.groupOrder - b.groupOrder; + + } else if ( a.renderOrder !== b.renderOrder ) { + + return a.renderOrder - b.renderOrder; + + } else if ( a.z !== b.z ) { + + return b.z - a.z; + + } else { + + return a.id - b.id; + + } + +} + + +function WebGLRenderList() { + + const renderItems = []; + let renderItemsIndex = 0; + + const opaque = []; + const transmissive = []; + const transparent = []; + + function init() { + + renderItemsIndex = 0; + + opaque.length = 0; + transmissive.length = 0; + transparent.length = 0; + + } + + function getNextRenderItem( object, geometry, material, groupOrder, z, group ) { + + let renderItem = renderItems[ renderItemsIndex ]; + + if ( renderItem === undefined ) { + + renderItem = { + id: object.id, + object: object, + geometry: geometry, + material: material, + groupOrder: groupOrder, + renderOrder: object.renderOrder, + z: z, + group: group + }; + + renderItems[ renderItemsIndex ] = renderItem; + + } else { + + renderItem.id = object.id; + renderItem.object = object; + renderItem.geometry = geometry; + renderItem.material = material; + renderItem.groupOrder = groupOrder; + renderItem.renderOrder = object.renderOrder; + renderItem.z = z; + renderItem.group = group; + + } + + renderItemsIndex ++; + + return renderItem; + + } + + function push( object, geometry, material, groupOrder, z, group ) { + + const renderItem = getNextRenderItem( object, geometry, material, groupOrder, z, group ); + + if ( material.transmission > 0.0 ) { + + transmissive.push( renderItem ); + + } else if ( material.transparent === true ) { + + transparent.push( renderItem ); + + } else { + + opaque.push( renderItem ); + + } + + } + + function unshift( object, geometry, material, groupOrder, z, group ) { + + const renderItem = getNextRenderItem( object, geometry, material, groupOrder, z, group ); + + if ( material.transmission > 0.0 ) { + + transmissive.unshift( renderItem ); + + } else if ( material.transparent === true ) { + + transparent.unshift( renderItem ); + + } else { + + opaque.unshift( renderItem ); + + } + + } + + function sort( customOpaqueSort, customTransparentSort ) { + + if ( opaque.length > 1 ) opaque.sort( customOpaqueSort || painterSortStable ); + if ( transmissive.length > 1 ) transmissive.sort( customTransparentSort || reversePainterSortStable ); + if ( transparent.length > 1 ) transparent.sort( customTransparentSort || reversePainterSortStable ); + + } + + function finish() { + + // Clear references from inactive renderItems in the list + + for ( let i = renderItemsIndex, il = renderItems.length; i < il; i ++ ) { + + const renderItem = renderItems[ i ]; + + if ( renderItem.id === null ) break; + + renderItem.id = null; + renderItem.object = null; + renderItem.geometry = null; + renderItem.material = null; + renderItem.group = null; + + } + + } + + return { + + opaque: opaque, + transmissive: transmissive, + transparent: transparent, + + init: init, + push: push, + unshift: unshift, + finish: finish, + + sort: sort + }; + +} + +function WebGLRenderLists() { + + let lists = new WeakMap(); + + function get( scene, renderCallDepth ) { + + let list; + + if ( lists.has( scene ) === false ) { + + list = new WebGLRenderList(); + lists.set( scene, [ list ] ); + + } else { + + if ( renderCallDepth >= lists.get( scene ).length ) { + + list = new WebGLRenderList(); + lists.get( scene ).push( list ); + + } else { + + list = lists.get( scene )[ renderCallDepth ]; + + } + + } + + return list; + + } + + function dispose() { + + lists = new WeakMap(); + + } + + return { + get: get, + dispose: dispose + }; + +} + +function UniformsCache() { + + const lights = {}; + + return { + + get: function ( light ) { + + if ( lights[ light.id ] !== undefined ) { + + return lights[ light.id ]; + + } + + let uniforms; + + switch ( light.type ) { + + case 'DirectionalLight': + uniforms = { + direction: new Vector3(), + color: new Color() + }; + break; + + case 'SpotLight': + uniforms = { + position: new Vector3(), + direction: new Vector3(), + color: new Color(), + distance: 0, + coneCos: 0, + penumbraCos: 0, + decay: 0 + }; + break; + + case 'PointLight': + uniforms = { + position: new Vector3(), + color: new Color(), + distance: 0, + decay: 0 + }; + break; + + case 'HemisphereLight': + uniforms = { + direction: new Vector3(), + skyColor: new Color(), + groundColor: new Color() + }; + break; + + case 'RectAreaLight': + uniforms = { + color: new Color(), + position: new Vector3(), + halfWidth: new Vector3(), + halfHeight: new Vector3() + }; + break; + + } + + lights[ light.id ] = uniforms; + + return uniforms; + + } + + }; + +} + +function ShadowUniformsCache() { + + const lights = {}; + + return { + + get: function ( light ) { + + if ( lights[ light.id ] !== undefined ) { + + return lights[ light.id ]; + + } + + let uniforms; + + switch ( light.type ) { + + case 'DirectionalLight': + uniforms = { + shadowBias: 0, + shadowNormalBias: 0, + shadowRadius: 1, + shadowMapSize: new Vector2() + }; + break; + + case 'SpotLight': + uniforms = { + shadowBias: 0, + shadowNormalBias: 0, + shadowRadius: 1, + shadowMapSize: new Vector2() + }; + break; + + case 'PointLight': + uniforms = { + shadowBias: 0, + shadowNormalBias: 0, + shadowRadius: 1, + shadowMapSize: new Vector2(), + shadowCameraNear: 1, + shadowCameraFar: 1000 + }; + break; + + // TODO (abelnation): set RectAreaLight shadow uniforms + + } + + lights[ light.id ] = uniforms; + + return uniforms; + + } + + }; + +} + + + +let nextVersion = 0; + +function shadowCastingLightsFirst( lightA, lightB ) { + + return ( lightB.castShadow ? 1 : 0 ) - ( lightA.castShadow ? 1 : 0 ); + +} + +function WebGLLights( extensions, capabilities ) { + + const cache = new UniformsCache(); + + const shadowCache = ShadowUniformsCache(); + + const state = { + + version: 0, + + hash: { + directionalLength: - 1, + pointLength: - 1, + spotLength: - 1, + rectAreaLength: - 1, + hemiLength: - 1, + + numDirectionalShadows: - 1, + numPointShadows: - 1, + numSpotShadows: - 1 + }, + + ambient: [ 0, 0, 0 ], + probe: [], + directional: [], + directionalShadow: [], + directionalShadowMap: [], + directionalShadowMatrix: [], + spot: [], + spotShadow: [], + spotShadowMap: [], + spotShadowMatrix: [], + rectArea: [], + rectAreaLTC1: null, + rectAreaLTC2: null, + point: [], + pointShadow: [], + pointShadowMap: [], + pointShadowMatrix: [], + hemi: [] + + }; + + for ( let i = 0; i < 9; i ++ ) state.probe.push( new Vector3() ); + + const vector3 = new Vector3(); + const matrix4 = new Matrix4(); + const matrix42 = new Matrix4(); + + function setup( lights, physicallyCorrectLights ) { + + let r = 0, g = 0, b = 0; + + for ( let i = 0; i < 9; i ++ ) state.probe[ i ].set( 0, 0, 0 ); + + let directionalLength = 0; + let pointLength = 0; + let spotLength = 0; + let rectAreaLength = 0; + let hemiLength = 0; + + let numDirectionalShadows = 0; + let numPointShadows = 0; + let numSpotShadows = 0; + + lights.sort( shadowCastingLightsFirst ); + + // artist-friendly light intensity scaling factor + const scaleFactor = ( physicallyCorrectLights !== true ) ? Math.PI : 1; + + for ( let i = 0, l = lights.length; i < l; i ++ ) { + + const light = lights[ i ]; + + const color = light.color; + const intensity = light.intensity; + const distance = light.distance; + + const shadowMap = ( light.shadow && light.shadow.map ) ? light.shadow.map.texture : null; + + if ( light.isAmbientLight ) { + + r += color.r * intensity * scaleFactor; + g += color.g * intensity * scaleFactor; + b += color.b * intensity * scaleFactor; + + } else if ( light.isLightProbe ) { + + for ( let j = 0; j < 9; j ++ ) { + + state.probe[ j ].addScaledVector( light.sh.coefficients[ j ], intensity ); + + } + + } else if ( light.isDirectionalLight ) { + + const uniforms = cache.get( light ); + + uniforms.color.copy( light.color ).multiplyScalar( light.intensity * scaleFactor ); + + if ( light.castShadow ) { + + const shadow = light.shadow; + + const shadowUniforms = shadowCache.get( light ); + + shadowUniforms.shadowBias = shadow.bias; + shadowUniforms.shadowNormalBias = shadow.normalBias; + shadowUniforms.shadowRadius = shadow.radius; + shadowUniforms.shadowMapSize = shadow.mapSize; + + state.directionalShadow[ directionalLength ] = shadowUniforms; + state.directionalShadowMap[ directionalLength ] = shadowMap; + state.directionalShadowMatrix[ directionalLength ] = light.shadow.matrix; + + numDirectionalShadows ++; + + } + + state.directional[ directionalLength ] = uniforms; + + directionalLength ++; + + } else if ( light.isSpotLight ) { + + const uniforms = cache.get( light ); + + uniforms.position.setFromMatrixPosition( light.matrixWorld ); + + uniforms.color.copy( color ).multiplyScalar( intensity * scaleFactor ); + uniforms.distance = distance; + + uniforms.coneCos = Math.cos( light.angle ); + uniforms.penumbraCos = Math.cos( light.angle * ( 1 - light.penumbra ) ); + uniforms.decay = light.decay; + + if ( light.castShadow ) { + + const shadow = light.shadow; + + const shadowUniforms = shadowCache.get( light ); + + shadowUniforms.shadowBias = shadow.bias; + shadowUniforms.shadowNormalBias = shadow.normalBias; + shadowUniforms.shadowRadius = shadow.radius; + shadowUniforms.shadowMapSize = shadow.mapSize; + + state.spotShadow[ spotLength ] = shadowUniforms; + state.spotShadowMap[ spotLength ] = shadowMap; + state.spotShadowMatrix[ spotLength ] = light.shadow.matrix; + + numSpotShadows ++; + + } + + state.spot[ spotLength ] = uniforms; + + spotLength ++; + + } else if ( light.isRectAreaLight ) { + + const uniforms = cache.get( light ); + + // (a) intensity is the total visible light emitted + //uniforms.color.copy( color ).multiplyScalar( intensity / ( light.width * light.height * Math.PI ) ); + + // (b) intensity is the brightness of the light + uniforms.color.copy( color ).multiplyScalar( intensity ); + + uniforms.halfWidth.set( light.width * 0.5, 0.0, 0.0 ); + uniforms.halfHeight.set( 0.0, light.height * 0.5, 0.0 ); + + state.rectArea[ rectAreaLength ] = uniforms; + + rectAreaLength ++; + + } else if ( light.isPointLight ) { + + const uniforms = cache.get( light ); + + uniforms.color.copy( light.color ).multiplyScalar( light.intensity * scaleFactor ); + uniforms.distance = light.distance; + uniforms.decay = light.decay; + + if ( light.castShadow ) { + + const shadow = light.shadow; + + const shadowUniforms = shadowCache.get( light ); + + shadowUniforms.shadowBias = shadow.bias; + shadowUniforms.shadowNormalBias = shadow.normalBias; + shadowUniforms.shadowRadius = shadow.radius; + shadowUniforms.shadowMapSize = shadow.mapSize; + shadowUniforms.shadowCameraNear = shadow.camera.near; + shadowUniforms.shadowCameraFar = shadow.camera.far; + + state.pointShadow[ pointLength ] = shadowUniforms; + state.pointShadowMap[ pointLength ] = shadowMap; + state.pointShadowMatrix[ pointLength ] = light.shadow.matrix; + + numPointShadows ++; + + } + + state.point[ pointLength ] = uniforms; + + pointLength ++; + + } else if ( light.isHemisphereLight ) { + + const uniforms = cache.get( light ); + + uniforms.skyColor.copy( light.color ).multiplyScalar( intensity * scaleFactor ); + uniforms.groundColor.copy( light.groundColor ).multiplyScalar( intensity * scaleFactor ); + + state.hemi[ hemiLength ] = uniforms; + + hemiLength ++; + + } + + } + + if ( rectAreaLength > 0 ) { + + if ( capabilities.isWebGL2 ) { + + // WebGL 2 + + state.rectAreaLTC1 = UniformsLib.LTC_FLOAT_1; + state.rectAreaLTC2 = UniformsLib.LTC_FLOAT_2; + + } else { + + // WebGL 1 + + if ( extensions.has( 'OES_texture_float_linear' ) === true ) { + + state.rectAreaLTC1 = UniformsLib.LTC_FLOAT_1; + state.rectAreaLTC2 = UniformsLib.LTC_FLOAT_2; + + } else if ( extensions.has( 'OES_texture_half_float_linear' ) === true ) { + + state.rectAreaLTC1 = UniformsLib.LTC_HALF_1; + state.rectAreaLTC2 = UniformsLib.LTC_HALF_2; + + } else { + + console.error( 'THREE.WebGLRenderer: Unable to use RectAreaLight. Missing WebGL extensions.' ); + + } + + } + + } + + state.ambient[ 0 ] = r; + state.ambient[ 1 ] = g; + state.ambient[ 2 ] = b; + + const hash = state.hash; + + if ( hash.directionalLength !== directionalLength || + hash.pointLength !== pointLength || + hash.spotLength !== spotLength || + hash.rectAreaLength !== rectAreaLength || + hash.hemiLength !== hemiLength || + hash.numDirectionalShadows !== numDirectionalShadows || + hash.numPointShadows !== numPointShadows || + hash.numSpotShadows !== numSpotShadows ) { + + state.directional.length = directionalLength; + state.spot.length = spotLength; + state.rectArea.length = rectAreaLength; + state.point.length = pointLength; + state.hemi.length = hemiLength; + + state.directionalShadow.length = numDirectionalShadows; + state.directionalShadowMap.length = numDirectionalShadows; + state.pointShadow.length = numPointShadows; + state.pointShadowMap.length = numPointShadows; + state.spotShadow.length = numSpotShadows; + state.spotShadowMap.length = numSpotShadows; + state.directionalShadowMatrix.length = numDirectionalShadows; + state.pointShadowMatrix.length = numPointShadows; + state.spotShadowMatrix.length = numSpotShadows; + + hash.directionalLength = directionalLength; + hash.pointLength = pointLength; + hash.spotLength = spotLength; + hash.rectAreaLength = rectAreaLength; + hash.hemiLength = hemiLength; + + hash.numDirectionalShadows = numDirectionalShadows; + hash.numPointShadows = numPointShadows; + hash.numSpotShadows = numSpotShadows; + + state.version = nextVersion ++; + + } + + } + + function setupView( lights, camera ) { + + let directionalLength = 0; + let pointLength = 0; + let spotLength = 0; + let rectAreaLength = 0; + let hemiLength = 0; + + const viewMatrix = camera.matrixWorldInverse; + + for ( let i = 0, l = lights.length; i < l; i ++ ) { + + const light = lights[ i ]; + + if ( light.isDirectionalLight ) { + + const uniforms = state.directional[ directionalLength ]; + + uniforms.direction.setFromMatrixPosition( light.matrixWorld ); + vector3.setFromMatrixPosition( light.target.matrixWorld ); + uniforms.direction.sub( vector3 ); + uniforms.direction.transformDirection( viewMatrix ); + + directionalLength ++; + + } else if ( light.isSpotLight ) { + + const uniforms = state.spot[ spotLength ]; + + uniforms.position.setFromMatrixPosition( light.matrixWorld ); + uniforms.position.applyMatrix4( viewMatrix ); + + uniforms.direction.setFromMatrixPosition( light.matrixWorld ); + vector3.setFromMatrixPosition( light.target.matrixWorld ); + uniforms.direction.sub( vector3 ); + uniforms.direction.transformDirection( viewMatrix ); + + spotLength ++; + + } else if ( light.isRectAreaLight ) { + + const uniforms = state.rectArea[ rectAreaLength ]; + + uniforms.position.setFromMatrixPosition( light.matrixWorld ); + uniforms.position.applyMatrix4( viewMatrix ); + + // extract local rotation of light to derive width/height half vectors + matrix42.identity(); + matrix4.copy( light.matrixWorld ); + matrix4.premultiply( viewMatrix ); + matrix42.extractRotation( matrix4 ); + + uniforms.halfWidth.set( light.width * 0.5, 0.0, 0.0 ); + uniforms.halfHeight.set( 0.0, light.height * 0.5, 0.0 ); + + uniforms.halfWidth.applyMatrix4( matrix42 ); + uniforms.halfHeight.applyMatrix4( matrix42 ); + + rectAreaLength ++; + + } else if ( light.isPointLight ) { + + const uniforms = state.point[ pointLength ]; + + uniforms.position.setFromMatrixPosition( light.matrixWorld ); + uniforms.position.applyMatrix4( viewMatrix ); + + pointLength ++; + + } else if ( light.isHemisphereLight ) { + + const uniforms = state.hemi[ hemiLength ]; + + uniforms.direction.setFromMatrixPosition( light.matrixWorld ); + uniforms.direction.transformDirection( viewMatrix ); + + hemiLength ++; + + } + + } + + } + + return { + setup: setup, + setupView: setupView, + state: state + }; + +} + +function WebGLRenderState( extensions, capabilities ) { + + const lights = new WebGLLights( extensions, capabilities ); + + const lightsArray = []; + const shadowsArray = []; + + function init() { + + lightsArray.length = 0; + shadowsArray.length = 0; + + } + + function pushLight( light ) { + + lightsArray.push( light ); + + } + + function pushShadow( shadowLight ) { + + shadowsArray.push( shadowLight ); + + } + + function setupLights( physicallyCorrectLights ) { + + lights.setup( lightsArray, physicallyCorrectLights ); + + } + + function setupLightsView( camera ) { + + lights.setupView( lightsArray, camera ); + + } + + const state = { + lightsArray: lightsArray, + shadowsArray: shadowsArray, + + lights: lights + }; + + return { + init: init, + state: state, + setupLights: setupLights, + setupLightsView: setupLightsView, + + pushLight: pushLight, + pushShadow: pushShadow + }; + +} + +function WebGLRenderStates( extensions, capabilities ) { + + let renderStates = new WeakMap(); + + function get( scene, renderCallDepth = 0 ) { + + let renderState; + + if ( renderStates.has( scene ) === false ) { + + renderState = new WebGLRenderState( extensions, capabilities ); + renderStates.set( scene, [ renderState ] ); + + } else { + + if ( renderCallDepth >= renderStates.get( scene ).length ) { + + renderState = new WebGLRenderState( extensions, capabilities ); + renderStates.get( scene ).push( renderState ); + + } else { + + renderState = renderStates.get( scene )[ renderCallDepth ]; + + } + + } + + return renderState; + + } + + function dispose() { + + renderStates = new WeakMap(); + + } + + return { + get: get, + dispose: dispose + }; + +} + +class MeshDepthMaterial extends Material { + + constructor( parameters ) { + + super(); + + this.isMeshDepthMaterial = true; + + this.type = 'MeshDepthMaterial'; + + this.depthPacking = BasicDepthPacking; + + this.map = null; + + this.alphaMap = null; + + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + + this.wireframe = false; + this.wireframeLinewidth = 1; + + this.setValues( parameters ); + + } + + copy( source ) { + + super.copy( source ); + + this.depthPacking = source.depthPacking; + + this.map = source.map; + + this.alphaMap = source.alphaMap; + + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + + return this; + + } + +} + +class MeshDistanceMaterial extends Material { + + constructor( parameters ) { + + super(); + + this.isMeshDistanceMaterial = true; + + this.type = 'MeshDistanceMaterial'; + + this.referencePosition = new Vector3(); + this.nearDistance = 1; + this.farDistance = 1000; + + this.map = null; + + this.alphaMap = null; + + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + + this.setValues( parameters ); + + } + + copy( source ) { + + super.copy( source ); + + this.referencePosition.copy( source.referencePosition ); + this.nearDistance = source.nearDistance; + this.farDistance = source.farDistance; + + this.map = source.map; + + this.alphaMap = source.alphaMap; + + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + + return this; + + } + +} + +const vertex = "void main() {\n\tgl_Position = vec4( position, 1.0 );\n}"; + +const fragment = "uniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\n#include \nvoid main() {\n\tconst float samples = float( VSM_SAMPLES );\n\tfloat mean = 0.0;\n\tfloat squared_mean = 0.0;\n\tfloat uvStride = samples <= 1.0 ? 0.0 : 2.0 / ( samples - 1.0 );\n\tfloat uvStart = samples <= 1.0 ? 0.0 : - 1.0;\n\tfor ( float i = 0.0; i < samples; i ++ ) {\n\t\tfloat uvOffset = uvStart + i * uvStride;\n\t\t#ifdef HORIZONTAL_PASS\n\t\t\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( uvOffset, 0.0 ) * radius ) / resolution ) );\n\t\t\tmean += distribution.x;\n\t\t\tsquared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\n\t\t#else\n\t\t\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, uvOffset ) * radius ) / resolution ) );\n\t\t\tmean += depth;\n\t\t\tsquared_mean += depth * depth;\n\t\t#endif\n\t}\n\tmean = mean / samples;\n\tsquared_mean = squared_mean / samples;\n\tfloat std_dev = sqrt( squared_mean - mean * mean );\n\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\n}"; + +function WebGLShadowMap( _renderer, _objects, _capabilities ) { + + let _frustum = new Frustum(); + + const _shadowMapSize = new Vector2(), + _viewportSize = new Vector2(), + + _viewport = new Vector4(), + + _depthMaterial = new MeshDepthMaterial( { depthPacking: RGBADepthPacking } ), + _distanceMaterial = new MeshDistanceMaterial(), + + _materialCache = {}, + + _maxTextureSize = _capabilities.maxTextureSize; + + const shadowSide = { 0: BackSide, 1: FrontSide, 2: DoubleSide }; + + const shadowMaterialVertical = new ShaderMaterial( { + defines: { + VSM_SAMPLES: 8 + }, + uniforms: { + shadow_pass: { value: null }, + resolution: { value: new Vector2() }, + radius: { value: 4.0 } + }, + + vertexShader: vertex, + fragmentShader: fragment + + } ); + + const shadowMaterialHorizontal = shadowMaterialVertical.clone(); + shadowMaterialHorizontal.defines.HORIZONTAL_PASS = 1; + + const fullScreenTri = new BufferGeometry(); + fullScreenTri.setAttribute( + 'position', + new BufferAttribute( + new Float32Array( [ - 1, - 1, 0.5, 3, - 1, 0.5, - 1, 3, 0.5 ] ), + 3 + ) + ); + + const fullScreenMesh = new Mesh( fullScreenTri, shadowMaterialVertical ); + + const scope = this; + + this.enabled = false; + + this.autoUpdate = true; + this.needsUpdate = false; + + this.type = PCFShadowMap; + + this.render = function ( lights, scene, camera ) { + + if ( scope.enabled === false ) return; + if ( scope.autoUpdate === false && scope.needsUpdate === false ) return; + + if ( lights.length === 0 ) return; + + const currentRenderTarget = _renderer.getRenderTarget(); + const activeCubeFace = _renderer.getActiveCubeFace(); + const activeMipmapLevel = _renderer.getActiveMipmapLevel(); + + const _state = _renderer.state; + + // Set GL state for depth map. + _state.setBlending( NoBlending ); + _state.buffers.color.setClear( 1, 1, 1, 1 ); + _state.buffers.depth.setTest( true ); + _state.setScissorTest( false ); + + // render depth map + + for ( let i = 0, il = lights.length; i < il; i ++ ) { + + const light = lights[ i ]; + const shadow = light.shadow; + + if ( shadow === undefined ) { + + console.warn( 'THREE.WebGLShadowMap:', light, 'has no shadow.' ); + continue; + + } + + if ( shadow.autoUpdate === false && shadow.needsUpdate === false ) continue; + + _shadowMapSize.copy( shadow.mapSize ); + + const shadowFrameExtents = shadow.getFrameExtents(); + + _shadowMapSize.multiply( shadowFrameExtents ); + + _viewportSize.copy( shadow.mapSize ); + + if ( _shadowMapSize.x > _maxTextureSize || _shadowMapSize.y > _maxTextureSize ) { + + if ( _shadowMapSize.x > _maxTextureSize ) { + + _viewportSize.x = Math.floor( _maxTextureSize / shadowFrameExtents.x ); + _shadowMapSize.x = _viewportSize.x * shadowFrameExtents.x; + shadow.mapSize.x = _viewportSize.x; + + } + + if ( _shadowMapSize.y > _maxTextureSize ) { + + _viewportSize.y = Math.floor( _maxTextureSize / shadowFrameExtents.y ); + _shadowMapSize.y = _viewportSize.y * shadowFrameExtents.y; + shadow.mapSize.y = _viewportSize.y; + + } + + } + + if ( shadow.map === null ) { + + const pars = ( this.type !== VSMShadowMap ) ? { minFilter: NearestFilter, magFilter: NearestFilter } : {}; + + shadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars ); + shadow.map.texture.name = light.name + '.shadowMap'; + + shadow.camera.updateProjectionMatrix(); + + } + + _renderer.setRenderTarget( shadow.map ); + _renderer.clear(); + + const viewportCount = shadow.getViewportCount(); + + for ( let vp = 0; vp < viewportCount; vp ++ ) { + + const viewport = shadow.getViewport( vp ); + + _viewport.set( + _viewportSize.x * viewport.x, + _viewportSize.y * viewport.y, + _viewportSize.x * viewport.z, + _viewportSize.y * viewport.w + ); + + _state.viewport( _viewport ); + + shadow.updateMatrices( light, vp ); + + _frustum = shadow.getFrustum(); + + renderObject( scene, camera, shadow.camera, light, this.type ); + + } + + // do blur pass for VSM + + if ( shadow.isPointLightShadow !== true && this.type === VSMShadowMap ) { + + VSMPass( shadow, camera ); + + } + + shadow.needsUpdate = false; + + } + + scope.needsUpdate = false; + + _renderer.setRenderTarget( currentRenderTarget, activeCubeFace, activeMipmapLevel ); + + }; + + function VSMPass( shadow, camera ) { + + const geometry = _objects.update( fullScreenMesh ); + + if ( shadowMaterialVertical.defines.VSM_SAMPLES !== shadow.blurSamples ) { + + shadowMaterialVertical.defines.VSM_SAMPLES = shadow.blurSamples; + shadowMaterialHorizontal.defines.VSM_SAMPLES = shadow.blurSamples; + + shadowMaterialVertical.needsUpdate = true; + shadowMaterialHorizontal.needsUpdate = true; + + } + + if ( shadow.mapPass === null ) { + + shadow.mapPass = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y ); + + } + + // vertical pass + + shadowMaterialVertical.uniforms.shadow_pass.value = shadow.map.texture; + shadowMaterialVertical.uniforms.resolution.value = shadow.mapSize; + shadowMaterialVertical.uniforms.radius.value = shadow.radius; + _renderer.setRenderTarget( shadow.mapPass ); + _renderer.clear(); + _renderer.renderBufferDirect( camera, null, geometry, shadowMaterialVertical, fullScreenMesh, null ); + + // horizontal pass + + shadowMaterialHorizontal.uniforms.shadow_pass.value = shadow.mapPass.texture; + shadowMaterialHorizontal.uniforms.resolution.value = shadow.mapSize; + shadowMaterialHorizontal.uniforms.radius.value = shadow.radius; + _renderer.setRenderTarget( shadow.map ); + _renderer.clear(); + _renderer.renderBufferDirect( camera, null, geometry, shadowMaterialHorizontal, fullScreenMesh, null ); + + } + + function getDepthMaterial( object, material, light, shadowCameraNear, shadowCameraFar, type ) { + + let result = null; + + const customMaterial = ( light.isPointLight === true ) ? object.customDistanceMaterial : object.customDepthMaterial; + + if ( customMaterial !== undefined ) { + + result = customMaterial; + + } else { + + result = ( light.isPointLight === true ) ? _distanceMaterial : _depthMaterial; + + } + + if ( ( _renderer.localClippingEnabled && material.clipShadows === true && Array.isArray( material.clippingPlanes ) && material.clippingPlanes.length !== 0 ) || + ( material.displacementMap && material.displacementScale !== 0 ) || + ( material.alphaMap && material.alphaTest > 0 ) ) { + + // in this case we need a unique material instance reflecting the + // appropriate state + + const keyA = result.uuid, keyB = material.uuid; + + let materialsForVariant = _materialCache[ keyA ]; + + if ( materialsForVariant === undefined ) { + + materialsForVariant = {}; + _materialCache[ keyA ] = materialsForVariant; + + } + + let cachedMaterial = materialsForVariant[ keyB ]; + + if ( cachedMaterial === undefined ) { + + cachedMaterial = result.clone(); + materialsForVariant[ keyB ] = cachedMaterial; + + } + + result = cachedMaterial; + + } + + result.visible = material.visible; + result.wireframe = material.wireframe; + + if ( type === VSMShadowMap ) { + + result.side = ( material.shadowSide !== null ) ? material.shadowSide : material.side; + + } else { + + result.side = ( material.shadowSide !== null ) ? material.shadowSide : shadowSide[ material.side ]; + + } + + result.alphaMap = material.alphaMap; + result.alphaTest = material.alphaTest; + + result.clipShadows = material.clipShadows; + result.clippingPlanes = material.clippingPlanes; + result.clipIntersection = material.clipIntersection; + + result.displacementMap = material.displacementMap; + result.displacementScale = material.displacementScale; + result.displacementBias = material.displacementBias; + + result.wireframeLinewidth = material.wireframeLinewidth; + result.linewidth = material.linewidth; + + if ( light.isPointLight === true && result.isMeshDistanceMaterial === true ) { + + result.referencePosition.setFromMatrixPosition( light.matrixWorld ); + result.nearDistance = shadowCameraNear; + result.farDistance = shadowCameraFar; + + } + + return result; + + } + + function renderObject( object, camera, shadowCamera, light, type ) { + + if ( object.visible === false ) return; + + const visible = object.layers.test( camera.layers ); + + if ( visible && ( object.isMesh || object.isLine || object.isPoints ) ) { + + if ( ( object.castShadow || ( object.receiveShadow && type === VSMShadowMap ) ) && ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) ) { + + object.modelViewMatrix.multiplyMatrices( shadowCamera.matrixWorldInverse, object.matrixWorld ); + + const geometry = _objects.update( object ); + const material = object.material; + + if ( Array.isArray( material ) ) { + + const groups = geometry.groups; + + for ( let k = 0, kl = groups.length; k < kl; k ++ ) { + + const group = groups[ k ]; + const groupMaterial = material[ group.materialIndex ]; + + if ( groupMaterial && groupMaterial.visible ) { + + const depthMaterial = getDepthMaterial( object, groupMaterial, light, shadowCamera.near, shadowCamera.far, type ); + + _renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, group ); + + } + + } + + } else if ( material.visible ) { + + const depthMaterial = getDepthMaterial( object, material, light, shadowCamera.near, shadowCamera.far, type ); + + _renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, null ); + + } + + } + + } + + const children = object.children; + + for ( let i = 0, l = children.length; i < l; i ++ ) { + + renderObject( children[ i ], camera, shadowCamera, light, type ); + + } + + } + +} + +function WebGLState( gl, extensions, capabilities ) { + + const isWebGL2 = capabilities.isWebGL2; + + function ColorBuffer() { + + let locked = false; + + const color = new Vector4(); + let currentColorMask = null; + const currentColorClear = new Vector4( 0, 0, 0, 0 ); + + return { + + setMask: function ( colorMask ) { + + if ( currentColorMask !== colorMask && ! locked ) { + + gl.colorMask( colorMask, colorMask, colorMask, colorMask ); + currentColorMask = colorMask; + + } + + }, + + setLocked: function ( lock ) { + + locked = lock; + + }, + + setClear: function ( r, g, b, a, premultipliedAlpha ) { + + if ( premultipliedAlpha === true ) { + + r *= a; g *= a; b *= a; + + } + + color.set( r, g, b, a ); + + if ( currentColorClear.equals( color ) === false ) { + + gl.clearColor( r, g, b, a ); + currentColorClear.copy( color ); + + } + + }, + + reset: function () { + + locked = false; + + currentColorMask = null; + currentColorClear.set( - 1, 0, 0, 0 ); // set to invalid state + + } + + }; + + } + + function DepthBuffer() { + + let locked = false; + + let currentDepthMask = null; + let currentDepthFunc = null; + let currentDepthClear = null; + + return { + + setTest: function ( depthTest ) { + + if ( depthTest ) { + + enable( 2929 ); + + } else { + + disable( 2929 ); + + } + + }, + + setMask: function ( depthMask ) { + + if ( currentDepthMask !== depthMask && ! locked ) { + + gl.depthMask( depthMask ); + currentDepthMask = depthMask; + + } + + }, + + setFunc: function ( depthFunc ) { + + if ( currentDepthFunc !== depthFunc ) { + + if ( depthFunc ) { + + switch ( depthFunc ) { + + case NeverDepth: + + gl.depthFunc( 512 ); + break; + + case AlwaysDepth: + + gl.depthFunc( 519 ); + break; + + case LessDepth: + + gl.depthFunc( 513 ); + break; + + case LessEqualDepth: + + gl.depthFunc( 515 ); + break; + + case EqualDepth: + + gl.depthFunc( 514 ); + break; + + case GreaterEqualDepth: + + gl.depthFunc( 518 ); + break; + + case GreaterDepth: + + gl.depthFunc( 516 ); + break; + + case NotEqualDepth: + + gl.depthFunc( 517 ); + break; + + default: + + gl.depthFunc( 515 ); + + } + + } else { + + gl.depthFunc( 515 ); + + } + + currentDepthFunc = depthFunc; + + } + + }, + + setLocked: function ( lock ) { + + locked = lock; + + }, + + setClear: function ( depth ) { + + if ( currentDepthClear !== depth ) { + + gl.clearDepth( depth ); + currentDepthClear = depth; + + } + + }, + + reset: function () { + + locked = false; + + currentDepthMask = null; + currentDepthFunc = null; + currentDepthClear = null; + + } + + }; + + } + + function StencilBuffer() { + + let locked = false; + + let currentStencilMask = null; + let currentStencilFunc = null; + let currentStencilRef = null; + let currentStencilFuncMask = null; + let currentStencilFail = null; + let currentStencilZFail = null; + let currentStencilZPass = null; + let currentStencilClear = null; + + return { + + setTest: function ( stencilTest ) { + + if ( ! locked ) { + + if ( stencilTest ) { + + enable( 2960 ); + + } else { + + disable( 2960 ); + + } + + } + + }, + + setMask: function ( stencilMask ) { + + if ( currentStencilMask !== stencilMask && ! locked ) { + + gl.stencilMask( stencilMask ); + currentStencilMask = stencilMask; + + } + + }, + + setFunc: function ( stencilFunc, stencilRef, stencilMask ) { + + if ( currentStencilFunc !== stencilFunc || + currentStencilRef !== stencilRef || + currentStencilFuncMask !== stencilMask ) { + + gl.stencilFunc( stencilFunc, stencilRef, stencilMask ); + + currentStencilFunc = stencilFunc; + currentStencilRef = stencilRef; + currentStencilFuncMask = stencilMask; + + } + + }, + + setOp: function ( stencilFail, stencilZFail, stencilZPass ) { + + if ( currentStencilFail !== stencilFail || + currentStencilZFail !== stencilZFail || + currentStencilZPass !== stencilZPass ) { + + gl.stencilOp( stencilFail, stencilZFail, stencilZPass ); + + currentStencilFail = stencilFail; + currentStencilZFail = stencilZFail; + currentStencilZPass = stencilZPass; + + } + + }, + + setLocked: function ( lock ) { + + locked = lock; + + }, + + setClear: function ( stencil ) { + + if ( currentStencilClear !== stencil ) { + + gl.clearStencil( stencil ); + currentStencilClear = stencil; + + } + + }, + + reset: function () { + + locked = false; + + currentStencilMask = null; + currentStencilFunc = null; + currentStencilRef = null; + currentStencilFuncMask = null; + currentStencilFail = null; + currentStencilZFail = null; + currentStencilZPass = null; + currentStencilClear = null; + + } + + }; + + } + + // + + const colorBuffer = new ColorBuffer(); + const depthBuffer = new DepthBuffer(); + const stencilBuffer = new StencilBuffer(); + + let enabledCapabilities = {}; + + let currentBoundFramebuffers = {}; + let currentDrawbuffers = new WeakMap(); + let defaultDrawbuffers = []; + + let currentProgram = null; + + let currentBlendingEnabled = false; + let currentBlending = null; + let currentBlendEquation = null; + let currentBlendSrc = null; + let currentBlendDst = null; + let currentBlendEquationAlpha = null; + let currentBlendSrcAlpha = null; + let currentBlendDstAlpha = null; + let currentPremultipledAlpha = false; + + let currentFlipSided = null; + let currentCullFace = null; + + let currentLineWidth = null; + + let currentPolygonOffsetFactor = null; + let currentPolygonOffsetUnits = null; + + const maxTextures = gl.getParameter( 35661 ); + + let lineWidthAvailable = false; + let version = 0; + const glVersion = gl.getParameter( 7938 ); + + if ( glVersion.indexOf( 'WebGL' ) !== - 1 ) { + + version = parseFloat( /^WebGL (\d)/.exec( glVersion )[ 1 ] ); + lineWidthAvailable = ( version >= 1.0 ); + + } else if ( glVersion.indexOf( 'OpenGL ES' ) !== - 1 ) { + + version = parseFloat( /^OpenGL ES (\d)/.exec( glVersion )[ 1 ] ); + lineWidthAvailable = ( version >= 2.0 ); + + } + + let currentTextureSlot = null; + let currentBoundTextures = {}; + + const scissorParam = gl.getParameter( 3088 ); + const viewportParam = gl.getParameter( 2978 ); + + const currentScissor = new Vector4().fromArray( scissorParam ); + const currentViewport = new Vector4().fromArray( viewportParam ); + + function createTexture( type, target, count ) { + + const data = new Uint8Array( 4 ); // 4 is required to match default unpack alignment of 4. + const texture = gl.createTexture(); + + gl.bindTexture( type, texture ); + gl.texParameteri( type, 10241, 9728 ); + gl.texParameteri( type, 10240, 9728 ); + + for ( let i = 0; i < count; i ++ ) { + + gl.texImage2D( target + i, 0, 6408, 1, 1, 0, 6408, 5121, data ); + + } + + return texture; + + } + + const emptyTextures = {}; + emptyTextures[ 3553 ] = createTexture( 3553, 3553, 1 ); + emptyTextures[ 34067 ] = createTexture( 34067, 34069, 6 ); + + // init + + colorBuffer.setClear( 0, 0, 0, 1 ); + depthBuffer.setClear( 1 ); + stencilBuffer.setClear( 0 ); + + enable( 2929 ); + depthBuffer.setFunc( LessEqualDepth ); + + setFlipSided( false ); + setCullFace( CullFaceBack ); + enable( 2884 ); + + setBlending( NoBlending ); + + // + + function enable( id ) { + + if ( enabledCapabilities[ id ] !== true ) { + + gl.enable( id ); + enabledCapabilities[ id ] = true; + + } + + } + + function disable( id ) { + + if ( enabledCapabilities[ id ] !== false ) { + + gl.disable( id ); + enabledCapabilities[ id ] = false; + + } + + } + + function bindFramebuffer( target, framebuffer ) { + + if ( currentBoundFramebuffers[ target ] !== framebuffer ) { + + gl.bindFramebuffer( target, framebuffer ); + + currentBoundFramebuffers[ target ] = framebuffer; + + if ( isWebGL2 ) { + + // 36009 is equivalent to 36160 + + if ( target === 36009 ) { + + currentBoundFramebuffers[ 36160 ] = framebuffer; + + } + + if ( target === 36160 ) { + + currentBoundFramebuffers[ 36009 ] = framebuffer; + + } + + } + + return true; + + } + + return false; + + } + + function drawBuffers( renderTarget, framebuffer ) { + + let drawBuffers = defaultDrawbuffers; + + let needsUpdate = false; + + if ( renderTarget ) { + + drawBuffers = currentDrawbuffers.get( framebuffer ); + + if ( drawBuffers === undefined ) { + + drawBuffers = []; + currentDrawbuffers.set( framebuffer, drawBuffers ); + + } + + if ( renderTarget.isWebGLMultipleRenderTargets ) { + + const textures = renderTarget.texture; + + if ( drawBuffers.length !== textures.length || drawBuffers[ 0 ] !== 36064 ) { + + for ( let i = 0, il = textures.length; i < il; i ++ ) { + + drawBuffers[ i ] = 36064 + i; + + } + + drawBuffers.length = textures.length; + + needsUpdate = true; + + } + + } else { + + if ( drawBuffers[ 0 ] !== 36064 ) { + + drawBuffers[ 0 ] = 36064; + + needsUpdate = true; + + } + + } + + } else { + + if ( drawBuffers[ 0 ] !== 1029 ) { + + drawBuffers[ 0 ] = 1029; + + needsUpdate = true; + + } + + } + + if ( needsUpdate ) { + + if ( capabilities.isWebGL2 ) { + + gl.drawBuffers( drawBuffers ); + + } else { + + extensions.get( 'WEBGL_draw_buffers' ).drawBuffersWEBGL( drawBuffers ); + + } + + } + + + } + + function useProgram( program ) { + + if ( currentProgram !== program ) { + + gl.useProgram( program ); + + currentProgram = program; + + return true; + + } + + return false; + + } + + const equationToGL = { + [ AddEquation ]: 32774, + [ SubtractEquation ]: 32778, + [ ReverseSubtractEquation ]: 32779 + }; + + if ( isWebGL2 ) { + + equationToGL[ MinEquation ] = 32775; + equationToGL[ MaxEquation ] = 32776; + + } else { + + const extension = extensions.get( 'EXT_blend_minmax' ); + + if ( extension !== null ) { + + equationToGL[ MinEquation ] = extension.MIN_EXT; + equationToGL[ MaxEquation ] = extension.MAX_EXT; + + } + + } + + const factorToGL = { + [ ZeroFactor ]: 0, + [ OneFactor ]: 1, + [ SrcColorFactor ]: 768, + [ SrcAlphaFactor ]: 770, + [ SrcAlphaSaturateFactor ]: 776, + [ DstColorFactor ]: 774, + [ DstAlphaFactor ]: 772, + [ OneMinusSrcColorFactor ]: 769, + [ OneMinusSrcAlphaFactor ]: 771, + [ OneMinusDstColorFactor ]: 775, + [ OneMinusDstAlphaFactor ]: 773 + }; + + function setBlending( blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, premultipliedAlpha ) { + + if ( blending === NoBlending ) { + + if ( currentBlendingEnabled === true ) { + + disable( 3042 ); + currentBlendingEnabled = false; + + } + + return; + + } + + if ( currentBlendingEnabled === false ) { + + enable( 3042 ); + currentBlendingEnabled = true; + + } + + if ( blending !== CustomBlending ) { + + if ( blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha ) { + + if ( currentBlendEquation !== AddEquation || currentBlendEquationAlpha !== AddEquation ) { + + gl.blendEquation( 32774 ); + + currentBlendEquation = AddEquation; + currentBlendEquationAlpha = AddEquation; + + } + + if ( premultipliedAlpha ) { + + switch ( blending ) { + + case NormalBlending: + gl.blendFuncSeparate( 1, 771, 1, 771 ); + break; + + case AdditiveBlending: + gl.blendFunc( 1, 1 ); + break; + + case SubtractiveBlending: + gl.blendFuncSeparate( 0, 769, 0, 1 ); + break; + + case MultiplyBlending: + gl.blendFuncSeparate( 0, 768, 0, 770 ); + break; + + default: + console.error( 'THREE.WebGLState: Invalid blending: ', blending ); + break; + + } + + } else { + + switch ( blending ) { + + case NormalBlending: + gl.blendFuncSeparate( 770, 771, 1, 771 ); + break; + + case AdditiveBlending: + gl.blendFunc( 770, 1 ); + break; + + case SubtractiveBlending: + gl.blendFuncSeparate( 0, 769, 0, 1 ); + break; + + case MultiplyBlending: + gl.blendFunc( 0, 768 ); + break; + + default: + console.error( 'THREE.WebGLState: Invalid blending: ', blending ); + break; + + } + + } + + currentBlendSrc = null; + currentBlendDst = null; + currentBlendSrcAlpha = null; + currentBlendDstAlpha = null; + + currentBlending = blending; + currentPremultipledAlpha = premultipliedAlpha; + + } + + return; + + } + + // custom blending + + blendEquationAlpha = blendEquationAlpha || blendEquation; + blendSrcAlpha = blendSrcAlpha || blendSrc; + blendDstAlpha = blendDstAlpha || blendDst; + + if ( blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha ) { + + gl.blendEquationSeparate( equationToGL[ blendEquation ], equationToGL[ blendEquationAlpha ] ); + + currentBlendEquation = blendEquation; + currentBlendEquationAlpha = blendEquationAlpha; + + } + + if ( blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha ) { + + gl.blendFuncSeparate( factorToGL[ blendSrc ], factorToGL[ blendDst ], factorToGL[ blendSrcAlpha ], factorToGL[ blendDstAlpha ] ); + + currentBlendSrc = blendSrc; + currentBlendDst = blendDst; + currentBlendSrcAlpha = blendSrcAlpha; + currentBlendDstAlpha = blendDstAlpha; + + } + + currentBlending = blending; + currentPremultipledAlpha = null; + + } + + function setMaterial( material, frontFaceCW ) { + + material.side === DoubleSide + ? disable( 2884 ) + : enable( 2884 ); + + let flipSided = ( material.side === BackSide ); + if ( frontFaceCW ) flipSided = ! flipSided; + + setFlipSided( flipSided ); + + ( material.blending === NormalBlending && material.transparent === false ) + ? setBlending( NoBlending ) + : setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.premultipliedAlpha ); + + depthBuffer.setFunc( material.depthFunc ); + depthBuffer.setTest( material.depthTest ); + depthBuffer.setMask( material.depthWrite ); + colorBuffer.setMask( material.colorWrite ); + + const stencilWrite = material.stencilWrite; + stencilBuffer.setTest( stencilWrite ); + if ( stencilWrite ) { + + stencilBuffer.setMask( material.stencilWriteMask ); + stencilBuffer.setFunc( material.stencilFunc, material.stencilRef, material.stencilFuncMask ); + stencilBuffer.setOp( material.stencilFail, material.stencilZFail, material.stencilZPass ); + + } + + setPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits ); + + material.alphaToCoverage === true + ? enable( 32926 ) + : disable( 32926 ); + + } + + // + + function setFlipSided( flipSided ) { + + if ( currentFlipSided !== flipSided ) { + + if ( flipSided ) { + + gl.frontFace( 2304 ); + + } else { + + gl.frontFace( 2305 ); + + } + + currentFlipSided = flipSided; + + } + + } + + function setCullFace( cullFace ) { + + if ( cullFace !== CullFaceNone ) { + + enable( 2884 ); + + if ( cullFace !== currentCullFace ) { + + if ( cullFace === CullFaceBack ) { + + gl.cullFace( 1029 ); + + } else if ( cullFace === CullFaceFront ) { + + gl.cullFace( 1028 ); + + } else { + + gl.cullFace( 1032 ); + + } + + } + + } else { + + disable( 2884 ); + + } + + currentCullFace = cullFace; + + } + + function setLineWidth( width ) { + + if ( width !== currentLineWidth ) { + + if ( lineWidthAvailable ) gl.lineWidth( width ); + + currentLineWidth = width; + + } + + } + + function setPolygonOffset( polygonOffset, factor, units ) { + + if ( polygonOffset ) { + + enable( 32823 ); + + if ( currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units ) { + + gl.polygonOffset( factor, units ); + + currentPolygonOffsetFactor = factor; + currentPolygonOffsetUnits = units; + + } + + } else { + + disable( 32823 ); + + } + + } + + function setScissorTest( scissorTest ) { + + if ( scissorTest ) { + + enable( 3089 ); + + } else { + + disable( 3089 ); + + } + + } + + // texture + + function activeTexture( webglSlot ) { + + if ( webglSlot === undefined ) webglSlot = 33984 + maxTextures - 1; + + if ( currentTextureSlot !== webglSlot ) { + + gl.activeTexture( webglSlot ); + currentTextureSlot = webglSlot; + + } + + } + + function bindTexture( webglType, webglTexture ) { + + if ( currentTextureSlot === null ) { + + activeTexture(); + + } + + let boundTexture = currentBoundTextures[ currentTextureSlot ]; + + if ( boundTexture === undefined ) { + + boundTexture = { type: undefined, texture: undefined }; + currentBoundTextures[ currentTextureSlot ] = boundTexture; + + } + + if ( boundTexture.type !== webglType || boundTexture.texture !== webglTexture ) { + + gl.bindTexture( webglType, webglTexture || emptyTextures[ webglType ] ); + + boundTexture.type = webglType; + boundTexture.texture = webglTexture; + + } + + } + + function unbindTexture() { + + const boundTexture = currentBoundTextures[ currentTextureSlot ]; + + if ( boundTexture !== undefined && boundTexture.type !== undefined ) { + + gl.bindTexture( boundTexture.type, null ); + + boundTexture.type = undefined; + boundTexture.texture = undefined; + + } + + } + + function compressedTexImage2D() { + + try { + + gl.compressedTexImage2D.apply( gl, arguments ); + + } catch ( error ) { + + console.error( 'THREE.WebGLState:', error ); + + } + + } + + function texSubImage2D() { + + try { + + gl.texSubImage2D.apply( gl, arguments ); + + } catch ( error ) { + + console.error( 'THREE.WebGLState:', error ); + + } + + } + + function texSubImage3D() { + + try { + + gl.texSubImage3D.apply( gl, arguments ); + + } catch ( error ) { + + console.error( 'THREE.WebGLState:', error ); + + } + + } + + function compressedTexSubImage2D() { + + try { + + gl.compressedTexSubImage2D.apply( gl, arguments ); + + } catch ( error ) { + + console.error( 'THREE.WebGLState:', error ); + + } + + } + + function texStorage2D() { + + try { + + gl.texStorage2D.apply( gl, arguments ); + + } catch ( error ) { + + console.error( 'THREE.WebGLState:', error ); + + } + + } + + function texStorage3D() { + + try { + + gl.texStorage3D.apply( gl, arguments ); + + } catch ( error ) { + + console.error( 'THREE.WebGLState:', error ); + + } + + } + + function texImage2D() { + + try { + + gl.texImage2D.apply( gl, arguments ); + + } catch ( error ) { + + console.error( 'THREE.WebGLState:', error ); + + } + + } + + function texImage3D() { + + try { + + gl.texImage3D.apply( gl, arguments ); + + } catch ( error ) { + + console.error( 'THREE.WebGLState:', error ); + + } + + } + + // + + function scissor( scissor ) { + + if ( currentScissor.equals( scissor ) === false ) { + + gl.scissor( scissor.x, scissor.y, scissor.z, scissor.w ); + currentScissor.copy( scissor ); + + } + + } + + function viewport( viewport ) { + + if ( currentViewport.equals( viewport ) === false ) { + + gl.viewport( viewport.x, viewport.y, viewport.z, viewport.w ); + currentViewport.copy( viewport ); + + } + + } + + // + + function reset() { + + // reset state + + gl.disable( 3042 ); + gl.disable( 2884 ); + gl.disable( 2929 ); + gl.disable( 32823 ); + gl.disable( 3089 ); + gl.disable( 2960 ); + gl.disable( 32926 ); + + gl.blendEquation( 32774 ); + gl.blendFunc( 1, 0 ); + gl.blendFuncSeparate( 1, 0, 1, 0 ); + + gl.colorMask( true, true, true, true ); + gl.clearColor( 0, 0, 0, 0 ); + + gl.depthMask( true ); + gl.depthFunc( 513 ); + gl.clearDepth( 1 ); + + gl.stencilMask( 0xffffffff ); + gl.stencilFunc( 519, 0, 0xffffffff ); + gl.stencilOp( 7680, 7680, 7680 ); + gl.clearStencil( 0 ); + + gl.cullFace( 1029 ); + gl.frontFace( 2305 ); + + gl.polygonOffset( 0, 0 ); + + gl.activeTexture( 33984 ); + + gl.bindFramebuffer( 36160, null ); + + if ( isWebGL2 === true ) { + + gl.bindFramebuffer( 36009, null ); + gl.bindFramebuffer( 36008, null ); + + } + + gl.useProgram( null ); + + gl.lineWidth( 1 ); + + gl.scissor( 0, 0, gl.canvas.width, gl.canvas.height ); + gl.viewport( 0, 0, gl.canvas.width, gl.canvas.height ); + + // reset internals + + enabledCapabilities = {}; + + currentTextureSlot = null; + currentBoundTextures = {}; + + currentBoundFramebuffers = {}; + currentDrawbuffers = new WeakMap(); + defaultDrawbuffers = []; + + currentProgram = null; + + currentBlendingEnabled = false; + currentBlending = null; + currentBlendEquation = null; + currentBlendSrc = null; + currentBlendDst = null; + currentBlendEquationAlpha = null; + currentBlendSrcAlpha = null; + currentBlendDstAlpha = null; + currentPremultipledAlpha = false; + + currentFlipSided = null; + currentCullFace = null; + + currentLineWidth = null; + + currentPolygonOffsetFactor = null; + currentPolygonOffsetUnits = null; + + currentScissor.set( 0, 0, gl.canvas.width, gl.canvas.height ); + currentViewport.set( 0, 0, gl.canvas.width, gl.canvas.height ); + + colorBuffer.reset(); + depthBuffer.reset(); + stencilBuffer.reset(); + + } + + return { + + buffers: { + color: colorBuffer, + depth: depthBuffer, + stencil: stencilBuffer + }, + + enable: enable, + disable: disable, + + bindFramebuffer: bindFramebuffer, + drawBuffers: drawBuffers, + + useProgram: useProgram, + + setBlending: setBlending, + setMaterial: setMaterial, + + setFlipSided: setFlipSided, + setCullFace: setCullFace, + + setLineWidth: setLineWidth, + setPolygonOffset: setPolygonOffset, + + setScissorTest: setScissorTest, + + activeTexture: activeTexture, + bindTexture: bindTexture, + unbindTexture: unbindTexture, + compressedTexImage2D: compressedTexImage2D, + texImage2D: texImage2D, + texImage3D: texImage3D, + + texStorage2D: texStorage2D, + texStorage3D: texStorage3D, + texSubImage2D: texSubImage2D, + texSubImage3D: texSubImage3D, + compressedTexSubImage2D: compressedTexSubImage2D, + + scissor: scissor, + viewport: viewport, + + reset: reset + + }; + +} + +function WebGLTextures( _gl, extensions, state, properties, capabilities, utils, info ) { + + const isWebGL2 = capabilities.isWebGL2; + const maxTextures = capabilities.maxTextures; + const maxCubemapSize = capabilities.maxCubemapSize; + const maxTextureSize = capabilities.maxTextureSize; + const maxSamples = capabilities.maxSamples; + const multisampledRTTExt = extensions.has( 'WEBGL_multisampled_render_to_texture' ) ? extensions.get( 'WEBGL_multisampled_render_to_texture' ) : null; + const supportsInvalidateFramebuffer = /OculusBrowser/g.test( navigator.userAgent ); + + const _videoTextures = new WeakMap(); + let _canvas; + + const _sources = new WeakMap(); // maps WebglTexture objects to instances of Source + + // cordova iOS (as of 5.0) still uses UIWebView, which provides OffscreenCanvas, + // also OffscreenCanvas.getContext("webgl"), but not OffscreenCanvas.getContext("2d")! + // Some implementations may only implement OffscreenCanvas partially (e.g. lacking 2d). + + let useOffscreenCanvas = false; + + try { + + useOffscreenCanvas = typeof OffscreenCanvas !== 'undefined' + // eslint-disable-next-line compat/compat + && ( new OffscreenCanvas( 1, 1 ).getContext( '2d' ) ) !== null; + + } catch ( err ) { + + // Ignore any errors + + } + + function createCanvas( width, height ) { + + // Use OffscreenCanvas when available. Specially needed in web workers + + return useOffscreenCanvas ? + // eslint-disable-next-line compat/compat + new OffscreenCanvas( width, height ) : createElementNS( 'canvas' ); + + } + + function resizeImage( image, needsPowerOfTwo, needsNewCanvas, maxSize ) { + + let scale = 1; + + // handle case if texture exceeds max size + + if ( image.width > maxSize || image.height > maxSize ) { + + scale = maxSize / Math.max( image.width, image.height ); + + } + + // only perform resize if necessary + + if ( scale < 1 || needsPowerOfTwo === true ) { + + // only perform resize for certain image types + + if ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) || + ( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) || + ( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ) { + + const floor = needsPowerOfTwo ? floorPowerOfTwo : Math.floor; + + const width = floor( scale * image.width ); + const height = floor( scale * image.height ); + + if ( _canvas === undefined ) _canvas = createCanvas( width, height ); + + // cube textures can't reuse the same canvas + + const canvas = needsNewCanvas ? createCanvas( width, height ) : _canvas; + + canvas.width = width; + canvas.height = height; + + const context = canvas.getContext( '2d' ); + context.drawImage( image, 0, 0, width, height ); + + console.warn( 'THREE.WebGLRenderer: Texture has been resized from (' + image.width + 'x' + image.height + ') to (' + width + 'x' + height + ').' ); + + return canvas; + + } else { + + if ( 'data' in image ) { + + console.warn( 'THREE.WebGLRenderer: Image in DataTexture is too big (' + image.width + 'x' + image.height + ').' ); + + } + + return image; + + } + + } + + return image; + + } + + function isPowerOfTwo$1( image ) { + + return isPowerOfTwo( image.width ) && isPowerOfTwo( image.height ); + + } + + function textureNeedsPowerOfTwo( texture ) { + + if ( isWebGL2 ) return false; + + return ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) || + ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ); + + } + + function textureNeedsGenerateMipmaps( texture, supportsMips ) { + + return texture.generateMipmaps && supportsMips && + texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter; + + } + + function generateMipmap( target ) { + + _gl.generateMipmap( target ); + + } + + function getInternalFormat( internalFormatName, glFormat, glType, encoding, isVideoTexture = false ) { + + if ( isWebGL2 === false ) return glFormat; + + if ( internalFormatName !== null ) { + + if ( _gl[ internalFormatName ] !== undefined ) return _gl[ internalFormatName ]; + + console.warn( 'THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format \'' + internalFormatName + '\'' ); + + } + + let internalFormat = glFormat; + + if ( glFormat === 6403 ) { + + if ( glType === 5126 ) internalFormat = 33326; + if ( glType === 5131 ) internalFormat = 33325; + if ( glType === 5121 ) internalFormat = 33321; + + } + + if ( glFormat === 33319 ) { + + if ( glType === 5126 ) internalFormat = 33328; + if ( glType === 5131 ) internalFormat = 33327; + if ( glType === 5121 ) internalFormat = 33323; + + } + + if ( glFormat === 6408 ) { + + if ( glType === 5126 ) internalFormat = 34836; + if ( glType === 5131 ) internalFormat = 34842; + if ( glType === 5121 ) internalFormat = ( encoding === sRGBEncoding && isVideoTexture === false ) ? 35907 : 32856; + if ( glType === 32819 ) internalFormat = 32854; + if ( glType === 32820 ) internalFormat = 32855; + + } + + if ( internalFormat === 33325 || internalFormat === 33326 || + internalFormat === 33327 || internalFormat === 33328 || + internalFormat === 34842 || internalFormat === 34836 ) { + + extensions.get( 'EXT_color_buffer_float' ); + + } + + return internalFormat; + + } + + function getMipLevels( texture, image, supportsMips ) { + + if ( textureNeedsGenerateMipmaps( texture, supportsMips ) === true || ( texture.isFramebufferTexture && texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) ) { + + return Math.log2( Math.max( image.width, image.height ) ) + 1; + + } else if ( texture.mipmaps !== undefined && texture.mipmaps.length > 0 ) { + + // user-defined mipmaps + + return texture.mipmaps.length; + + } else if ( texture.isCompressedTexture && Array.isArray( texture.image ) ) { + + return image.mipmaps.length; + + } else { + + // texture without mipmaps (only base level) + + return 1; + + } + + } + + // Fallback filters for non-power-of-2 textures + + function filterFallback( f ) { + + if ( f === NearestFilter || f === NearestMipmapNearestFilter || f === NearestMipmapLinearFilter ) { + + return 9728; + + } + + return 9729; + + } + + // + + function onTextureDispose( event ) { + + const texture = event.target; + + texture.removeEventListener( 'dispose', onTextureDispose ); + + deallocateTexture( texture ); + + if ( texture.isVideoTexture ) { + + _videoTextures.delete( texture ); + + } + + } + + function onRenderTargetDispose( event ) { + + const renderTarget = event.target; + + renderTarget.removeEventListener( 'dispose', onRenderTargetDispose ); + + deallocateRenderTarget( renderTarget ); + + } + + // + + function deallocateTexture( texture ) { + + const textureProperties = properties.get( texture ); + + if ( textureProperties.__webglInit === undefined ) return; + + // check if it's necessary to remove the WebGLTexture object + + const source = texture.source; + const webglTextures = _sources.get( source ); + + if ( webglTextures ) { + + const webglTexture = webglTextures[ textureProperties.__cacheKey ]; + webglTexture.usedTimes --; + + // the WebGLTexture object is not used anymore, remove it + + if ( webglTexture.usedTimes === 0 ) { + + deleteTexture( texture ); + + } + + // remove the weak map entry if no WebGLTexture uses the source anymore + + if ( Object.keys( webglTextures ).length === 0 ) { + + _sources.delete( source ); + + } + + } + + properties.remove( texture ); + + } + + function deleteTexture( texture ) { + + const textureProperties = properties.get( texture ); + _gl.deleteTexture( textureProperties.__webglTexture ); + + const source = texture.source; + const webglTextures = _sources.get( source ); + delete webglTextures[ textureProperties.__cacheKey ]; + + info.memory.textures --; + + } + + function deallocateRenderTarget( renderTarget ) { + + const texture = renderTarget.texture; + + const renderTargetProperties = properties.get( renderTarget ); + const textureProperties = properties.get( texture ); + + if ( textureProperties.__webglTexture !== undefined ) { + + _gl.deleteTexture( textureProperties.__webglTexture ); + + info.memory.textures --; + + } + + if ( renderTarget.depthTexture ) { + + renderTarget.depthTexture.dispose(); + + } + + if ( renderTarget.isWebGLCubeRenderTarget ) { + + for ( let i = 0; i < 6; i ++ ) { + + _gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ] ); + if ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer[ i ] ); + + } + + } else { + + _gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer ); + if ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer ); + if ( renderTargetProperties.__webglMultisampledFramebuffer ) _gl.deleteFramebuffer( renderTargetProperties.__webglMultisampledFramebuffer ); + + if ( renderTargetProperties.__webglColorRenderbuffer ) { + + for ( let i = 0; i < renderTargetProperties.__webglColorRenderbuffer.length; i ++ ) { + + if ( renderTargetProperties.__webglColorRenderbuffer[ i ] ) _gl.deleteRenderbuffer( renderTargetProperties.__webglColorRenderbuffer[ i ] ); + + } + + } + + if ( renderTargetProperties.__webglDepthRenderbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthRenderbuffer ); + + } + + if ( renderTarget.isWebGLMultipleRenderTargets ) { + + for ( let i = 0, il = texture.length; i < il; i ++ ) { + + const attachmentProperties = properties.get( texture[ i ] ); + + if ( attachmentProperties.__webglTexture ) { + + _gl.deleteTexture( attachmentProperties.__webglTexture ); + + info.memory.textures --; + + } + + properties.remove( texture[ i ] ); + + } + + } + + properties.remove( texture ); + properties.remove( renderTarget ); + + } + + // + + let textureUnits = 0; + + function resetTextureUnits() { + + textureUnits = 0; + + } + + function allocateTextureUnit() { + + const textureUnit = textureUnits; + + if ( textureUnit >= maxTextures ) { + + console.warn( 'THREE.WebGLTextures: Trying to use ' + textureUnit + ' texture units while this GPU supports only ' + maxTextures ); + + } + + textureUnits += 1; + + return textureUnit; + + } + + function getTextureCacheKey( texture ) { + + const array = []; + + array.push( texture.wrapS ); + array.push( texture.wrapT ); + array.push( texture.magFilter ); + array.push( texture.minFilter ); + array.push( texture.anisotropy ); + array.push( texture.internalFormat ); + array.push( texture.format ); + array.push( texture.type ); + array.push( texture.generateMipmaps ); + array.push( texture.premultiplyAlpha ); + array.push( texture.flipY ); + array.push( texture.unpackAlignment ); + array.push( texture.encoding ); + + return array.join(); + + } + + // + + function setTexture2D( texture, slot ) { + + const textureProperties = properties.get( texture ); + + if ( texture.isVideoTexture ) updateVideoTexture( texture ); + + if ( texture.isRenderTargetTexture === false && texture.version > 0 && textureProperties.__version !== texture.version ) { + + const image = texture.image; + + if ( image === null ) { + + console.warn( 'THREE.WebGLRenderer: Texture marked for update but no image data found.' ); + + } else if ( image.complete === false ) { + + console.warn( 'THREE.WebGLRenderer: Texture marked for update but image is incomplete' ); + + } else { + + uploadTexture( textureProperties, texture, slot ); + return; + + } + + } + + state.activeTexture( 33984 + slot ); + state.bindTexture( 3553, textureProperties.__webglTexture ); + + } + + function setTexture2DArray( texture, slot ) { + + const textureProperties = properties.get( texture ); + + if ( texture.version > 0 && textureProperties.__version !== texture.version ) { + + uploadTexture( textureProperties, texture, slot ); + return; + + } + + state.activeTexture( 33984 + slot ); + state.bindTexture( 35866, textureProperties.__webglTexture ); + + } + + function setTexture3D( texture, slot ) { + + const textureProperties = properties.get( texture ); + + if ( texture.version > 0 && textureProperties.__version !== texture.version ) { + + uploadTexture( textureProperties, texture, slot ); + return; + + } + + state.activeTexture( 33984 + slot ); + state.bindTexture( 32879, textureProperties.__webglTexture ); + + } + + function setTextureCube( texture, slot ) { + + const textureProperties = properties.get( texture ); + + if ( texture.version > 0 && textureProperties.__version !== texture.version ) { + + uploadCubeTexture( textureProperties, texture, slot ); + return; + + } + + state.activeTexture( 33984 + slot ); + state.bindTexture( 34067, textureProperties.__webglTexture ); + + } + + const wrappingToGL = { + [ RepeatWrapping ]: 10497, + [ ClampToEdgeWrapping ]: 33071, + [ MirroredRepeatWrapping ]: 33648 + }; + + const filterToGL = { + [ NearestFilter ]: 9728, + [ NearestMipmapNearestFilter ]: 9984, + [ NearestMipmapLinearFilter ]: 9986, + + [ LinearFilter ]: 9729, + [ LinearMipmapNearestFilter ]: 9985, + [ LinearMipmapLinearFilter ]: 9987 + }; + + function setTextureParameters( textureType, texture, supportsMips ) { + + if ( supportsMips ) { + + _gl.texParameteri( textureType, 10242, wrappingToGL[ texture.wrapS ] ); + _gl.texParameteri( textureType, 10243, wrappingToGL[ texture.wrapT ] ); + + if ( textureType === 32879 || textureType === 35866 ) { + + _gl.texParameteri( textureType, 32882, wrappingToGL[ texture.wrapR ] ); + + } + + _gl.texParameteri( textureType, 10240, filterToGL[ texture.magFilter ] ); + _gl.texParameteri( textureType, 10241, filterToGL[ texture.minFilter ] ); + + } else { + + _gl.texParameteri( textureType, 10242, 33071 ); + _gl.texParameteri( textureType, 10243, 33071 ); + + if ( textureType === 32879 || textureType === 35866 ) { + + _gl.texParameteri( textureType, 32882, 33071 ); + + } + + if ( texture.wrapS !== ClampToEdgeWrapping || texture.wrapT !== ClampToEdgeWrapping ) { + + console.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping.' ); + + } + + _gl.texParameteri( textureType, 10240, filterFallback( texture.magFilter ) ); + _gl.texParameteri( textureType, 10241, filterFallback( texture.minFilter ) ); + + if ( texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) { + + console.warn( 'THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter.' ); + + } + + } + + if ( extensions.has( 'EXT_texture_filter_anisotropic' ) === true ) { + + const extension = extensions.get( 'EXT_texture_filter_anisotropic' ); + + if ( texture.type === FloatType && extensions.has( 'OES_texture_float_linear' ) === false ) return; // verify extension for WebGL 1 and WebGL 2 + if ( isWebGL2 === false && ( texture.type === HalfFloatType && extensions.has( 'OES_texture_half_float_linear' ) === false ) ) return; // verify extension for WebGL 1 only + + if ( texture.anisotropy > 1 || properties.get( texture ).__currentAnisotropy ) { + + _gl.texParameterf( textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min( texture.anisotropy, capabilities.getMaxAnisotropy() ) ); + properties.get( texture ).__currentAnisotropy = texture.anisotropy; + + } + + } + + } + + function initTexture( textureProperties, texture ) { + + let forceUpload = false; + + if ( textureProperties.__webglInit === undefined ) { + + textureProperties.__webglInit = true; + + texture.addEventListener( 'dispose', onTextureDispose ); + + } + + // create Source <-> WebGLTextures mapping if necessary + + const source = texture.source; + let webglTextures = _sources.get( source ); + + if ( webglTextures === undefined ) { + + webglTextures = {}; + _sources.set( source, webglTextures ); + + } + + // check if there is already a WebGLTexture object for the given texture parameters + + const textureCacheKey = getTextureCacheKey( texture ); + + if ( textureCacheKey !== textureProperties.__cacheKey ) { + + // if not, create a new instance of WebGLTexture + + if ( webglTextures[ textureCacheKey ] === undefined ) { + + // create new entry + + webglTextures[ textureCacheKey ] = { + texture: _gl.createTexture(), + usedTimes: 0 + }; + + info.memory.textures ++; + + // when a new instance of WebGLTexture was created, a texture upload is required + // even if the image contents are identical + + forceUpload = true; + + } + + webglTextures[ textureCacheKey ].usedTimes ++; + + // every time the texture cache key changes, it's necessary to check if an instance of + // WebGLTexture can be deleted in order to avoid a memory leak. + + const webglTexture = webglTextures[ textureProperties.__cacheKey ]; + + if ( webglTexture !== undefined ) { + + webglTextures[ textureProperties.__cacheKey ].usedTimes --; + + if ( webglTexture.usedTimes === 0 ) { + + deleteTexture( texture ); + + } + + } + + // store references to cache key and WebGLTexture object + + textureProperties.__cacheKey = textureCacheKey; + textureProperties.__webglTexture = webglTextures[ textureCacheKey ].texture; + + } + + return forceUpload; + + } + + function uploadTexture( textureProperties, texture, slot ) { + + let textureType = 3553; + + if ( texture.isDataArrayTexture ) textureType = 35866; + if ( texture.isData3DTexture ) textureType = 32879; + + const forceUpload = initTexture( textureProperties, texture ); + const source = texture.source; + + state.activeTexture( 33984 + slot ); + state.bindTexture( textureType, textureProperties.__webglTexture ); + + if ( source.version !== source.__currentVersion || forceUpload === true ) { + + _gl.pixelStorei( 37440, texture.flipY ); + _gl.pixelStorei( 37441, texture.premultiplyAlpha ); + _gl.pixelStorei( 3317, texture.unpackAlignment ); + _gl.pixelStorei( 37443, 0 ); + + const needsPowerOfTwo = textureNeedsPowerOfTwo( texture ) && isPowerOfTwo$1( texture.image ) === false; + let image = resizeImage( texture.image, needsPowerOfTwo, false, maxTextureSize ); + image = verifyColorSpace( texture, image ); + + const supportsMips = isPowerOfTwo$1( image ) || isWebGL2, + glFormat = utils.convert( texture.format, texture.encoding ); + + let glType = utils.convert( texture.type ), + glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.encoding, texture.isVideoTexture ); + + setTextureParameters( textureType, texture, supportsMips ); + + let mipmap; + const mipmaps = texture.mipmaps; + + const useTexStorage = ( isWebGL2 && texture.isVideoTexture !== true ); + const allocateMemory = ( source.__currentVersion === undefined ) || ( forceUpload === true ); + const levels = getMipLevels( texture, image, supportsMips ); + + if ( texture.isDepthTexture ) { + + // populate depth texture with dummy data + + glInternalFormat = 6402; + + if ( isWebGL2 ) { + + if ( texture.type === FloatType ) { + + glInternalFormat = 36012; + + } else if ( texture.type === UnsignedIntType ) { + + glInternalFormat = 33190; + + } else if ( texture.type === UnsignedInt248Type ) { + + glInternalFormat = 35056; + + } else { + + glInternalFormat = 33189; // WebGL2 requires sized internalformat for glTexImage2D + + } + + } else { + + if ( texture.type === FloatType ) { + + console.error( 'WebGLRenderer: Floating point depth texture requires WebGL2.' ); + + } + + } + + // validation checks for WebGL 1 + + if ( texture.format === DepthFormat && glInternalFormat === 6402 ) { + + // The error INVALID_OPERATION is generated by texImage2D if format and internalformat are + // DEPTH_COMPONENT and type is not UNSIGNED_SHORT or UNSIGNED_INT + // (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/) + if ( texture.type !== UnsignedShortType && texture.type !== UnsignedIntType ) { + + console.warn( 'THREE.WebGLRenderer: Use UnsignedShortType or UnsignedIntType for DepthFormat DepthTexture.' ); + + texture.type = UnsignedIntType; + glType = utils.convert( texture.type ); + + } + + } + + if ( texture.format === DepthStencilFormat && glInternalFormat === 6402 ) { + + // Depth stencil textures need the DEPTH_STENCIL internal format + // (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/) + glInternalFormat = 34041; + + // The error INVALID_OPERATION is generated by texImage2D if format and internalformat are + // DEPTH_STENCIL and type is not UNSIGNED_INT_24_8_WEBGL. + // (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/) + if ( texture.type !== UnsignedInt248Type ) { + + console.warn( 'THREE.WebGLRenderer: Use UnsignedInt248Type for DepthStencilFormat DepthTexture.' ); + + texture.type = UnsignedInt248Type; + glType = utils.convert( texture.type ); + + } + + } + + // + + if ( allocateMemory ) { + + if ( useTexStorage ) { + + state.texStorage2D( 3553, 1, glInternalFormat, image.width, image.height ); + + } else { + + state.texImage2D( 3553, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, null ); + + } + + } + + } else if ( texture.isDataTexture ) { + + // use manually created mipmaps if available + // if there are no manual mipmaps + // set 0 level mipmap and then use GL to generate other mipmap levels + + if ( mipmaps.length > 0 && supportsMips ) { + + if ( useTexStorage && allocateMemory ) { + + state.texStorage2D( 3553, levels, glInternalFormat, mipmaps[ 0 ].width, mipmaps[ 0 ].height ); + + } + + for ( let i = 0, il = mipmaps.length; i < il; i ++ ) { + + mipmap = mipmaps[ i ]; + + if ( useTexStorage ) { + + state.texSubImage2D( 3553, i, 0, 0, mipmap.width, mipmap.height, glFormat, glType, mipmap.data ); + + } else { + + state.texImage2D( 3553, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data ); + + } + + } + + texture.generateMipmaps = false; + + } else { + + if ( useTexStorage ) { + + if ( allocateMemory ) { + + state.texStorage2D( 3553, levels, glInternalFormat, image.width, image.height ); + + } + + state.texSubImage2D( 3553, 0, 0, 0, image.width, image.height, glFormat, glType, image.data ); + + } else { + + state.texImage2D( 3553, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, image.data ); + + } + + } + + } else if ( texture.isCompressedTexture ) { + + if ( useTexStorage && allocateMemory ) { + + state.texStorage2D( 3553, levels, glInternalFormat, mipmaps[ 0 ].width, mipmaps[ 0 ].height ); + + } + + for ( let i = 0, il = mipmaps.length; i < il; i ++ ) { + + mipmap = mipmaps[ i ]; + + if ( texture.format !== RGBAFormat ) { + + if ( glFormat !== null ) { + + if ( useTexStorage ) { + + state.compressedTexSubImage2D( 3553, i, 0, 0, mipmap.width, mipmap.height, glFormat, mipmap.data ); + + } else { + + state.compressedTexImage2D( 3553, i, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data ); + + } + + } else { + + console.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()' ); + + } + + } else { + + if ( useTexStorage ) { + + state.texSubImage2D( 3553, i, 0, 0, mipmap.width, mipmap.height, glFormat, glType, mipmap.data ); + + } else { + + state.texImage2D( 3553, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data ); + + } + + } + + } + + } else if ( texture.isDataArrayTexture ) { + + if ( useTexStorage ) { + + if ( allocateMemory ) { + + state.texStorage3D( 35866, levels, glInternalFormat, image.width, image.height, image.depth ); + + } + + state.texSubImage3D( 35866, 0, 0, 0, 0, image.width, image.height, image.depth, glFormat, glType, image.data ); + + } else { + + state.texImage3D( 35866, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data ); + + } + + } else if ( texture.isData3DTexture ) { + + if ( useTexStorage ) { + + if ( allocateMemory ) { + + state.texStorage3D( 32879, levels, glInternalFormat, image.width, image.height, image.depth ); + + } + + state.texSubImage3D( 32879, 0, 0, 0, 0, image.width, image.height, image.depth, glFormat, glType, image.data ); + + } else { + + state.texImage3D( 32879, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data ); + + } + + } else if ( texture.isFramebufferTexture ) { + + if ( allocateMemory ) { + + if ( useTexStorage ) { + + state.texStorage2D( 3553, levels, glInternalFormat, image.width, image.height ); + + } else { + + let width = image.width, height = image.height; + + for ( let i = 0; i < levels; i ++ ) { + + state.texImage2D( 3553, i, glInternalFormat, width, height, 0, glFormat, glType, null ); + + width >>= 1; + height >>= 1; + + } + + } + + } + + } else { + + // regular Texture (image, video, canvas) + + // use manually created mipmaps if available + // if there are no manual mipmaps + // set 0 level mipmap and then use GL to generate other mipmap levels + + if ( mipmaps.length > 0 && supportsMips ) { + + if ( useTexStorage && allocateMemory ) { + + state.texStorage2D( 3553, levels, glInternalFormat, mipmaps[ 0 ].width, mipmaps[ 0 ].height ); + + } + + for ( let i = 0, il = mipmaps.length; i < il; i ++ ) { + + mipmap = mipmaps[ i ]; + + if ( useTexStorage ) { + + state.texSubImage2D( 3553, i, 0, 0, glFormat, glType, mipmap ); + + } else { + + state.texImage2D( 3553, i, glInternalFormat, glFormat, glType, mipmap ); + + } + + } + + texture.generateMipmaps = false; + + } else { + + if ( useTexStorage ) { + + if ( allocateMemory ) { + + state.texStorage2D( 3553, levels, glInternalFormat, image.width, image.height ); + + } + + state.texSubImage2D( 3553, 0, 0, 0, glFormat, glType, image ); + + } else { + + state.texImage2D( 3553, 0, glInternalFormat, glFormat, glType, image ); + + } + + } + + } + + if ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) { + + generateMipmap( textureType ); + + } + + source.__currentVersion = source.version; + + if ( texture.onUpdate ) texture.onUpdate( texture ); + + } + + textureProperties.__version = texture.version; + + } + + function uploadCubeTexture( textureProperties, texture, slot ) { + + if ( texture.image.length !== 6 ) return; + + const forceUpload = initTexture( textureProperties, texture ); + const source = texture.source; + + state.activeTexture( 33984 + slot ); + state.bindTexture( 34067, textureProperties.__webglTexture ); + + if ( source.version !== source.__currentVersion || forceUpload === true ) { + + _gl.pixelStorei( 37440, texture.flipY ); + _gl.pixelStorei( 37441, texture.premultiplyAlpha ); + _gl.pixelStorei( 3317, texture.unpackAlignment ); + _gl.pixelStorei( 37443, 0 ); + + const isCompressed = ( texture.isCompressedTexture || texture.image[ 0 ].isCompressedTexture ); + const isDataTexture = ( texture.image[ 0 ] && texture.image[ 0 ].isDataTexture ); + + const cubeImage = []; + + for ( let i = 0; i < 6; i ++ ) { + + if ( ! isCompressed && ! isDataTexture ) { + + cubeImage[ i ] = resizeImage( texture.image[ i ], false, true, maxCubemapSize ); + + } else { + + cubeImage[ i ] = isDataTexture ? texture.image[ i ].image : texture.image[ i ]; + + } + + cubeImage[ i ] = verifyColorSpace( texture, cubeImage[ i ] ); + + } + + const image = cubeImage[ 0 ], + supportsMips = isPowerOfTwo$1( image ) || isWebGL2, + glFormat = utils.convert( texture.format, texture.encoding ), + glType = utils.convert( texture.type ), + glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.encoding ); + + const useTexStorage = ( isWebGL2 && texture.isVideoTexture !== true ); + const allocateMemory = ( source.__currentVersion === undefined ) || ( forceUpload === true ); + let levels = getMipLevels( texture, image, supportsMips ); + + setTextureParameters( 34067, texture, supportsMips ); + + let mipmaps; + + if ( isCompressed ) { + + if ( useTexStorage && allocateMemory ) { + + state.texStorage2D( 34067, levels, glInternalFormat, image.width, image.height ); + + } + + for ( let i = 0; i < 6; i ++ ) { + + mipmaps = cubeImage[ i ].mipmaps; + + for ( let j = 0; j < mipmaps.length; j ++ ) { + + const mipmap = mipmaps[ j ]; + + if ( texture.format !== RGBAFormat ) { + + if ( glFormat !== null ) { + + if ( useTexStorage ) { + + state.compressedTexSubImage2D( 34069 + i, j, 0, 0, mipmap.width, mipmap.height, glFormat, mipmap.data ); + + } else { + + state.compressedTexImage2D( 34069 + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data ); + + } + + } else { + + console.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()' ); + + } + + } else { + + if ( useTexStorage ) { + + state.texSubImage2D( 34069 + i, j, 0, 0, mipmap.width, mipmap.height, glFormat, glType, mipmap.data ); + + } else { + + state.texImage2D( 34069 + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data ); + + } + + } + + } + + } + + } else { + + mipmaps = texture.mipmaps; + + if ( useTexStorage && allocateMemory ) { + + // TODO: Uniformly handle mipmap definitions + // Normal textures and compressed cube textures define base level + mips with their mipmap array + // Uncompressed cube textures use their mipmap array only for mips (no base level) + + if ( mipmaps.length > 0 ) levels ++; + + state.texStorage2D( 34067, levels, glInternalFormat, cubeImage[ 0 ].width, cubeImage[ 0 ].height ); + + } + + for ( let i = 0; i < 6; i ++ ) { + + if ( isDataTexture ) { + + if ( useTexStorage ) { + + state.texSubImage2D( 34069 + i, 0, 0, 0, cubeImage[ i ].width, cubeImage[ i ].height, glFormat, glType, cubeImage[ i ].data ); + + } else { + + state.texImage2D( 34069 + i, 0, glInternalFormat, cubeImage[ i ].width, cubeImage[ i ].height, 0, glFormat, glType, cubeImage[ i ].data ); + + } + + for ( let j = 0; j < mipmaps.length; j ++ ) { + + const mipmap = mipmaps[ j ]; + const mipmapImage = mipmap.image[ i ].image; + + if ( useTexStorage ) { + + state.texSubImage2D( 34069 + i, j + 1, 0, 0, mipmapImage.width, mipmapImage.height, glFormat, glType, mipmapImage.data ); + + } else { + + state.texImage2D( 34069 + i, j + 1, glInternalFormat, mipmapImage.width, mipmapImage.height, 0, glFormat, glType, mipmapImage.data ); + + } + + } + + } else { + + if ( useTexStorage ) { + + state.texSubImage2D( 34069 + i, 0, 0, 0, glFormat, glType, cubeImage[ i ] ); + + } else { + + state.texImage2D( 34069 + i, 0, glInternalFormat, glFormat, glType, cubeImage[ i ] ); + + } + + for ( let j = 0; j < mipmaps.length; j ++ ) { + + const mipmap = mipmaps[ j ]; + + if ( useTexStorage ) { + + state.texSubImage2D( 34069 + i, j + 1, 0, 0, glFormat, glType, mipmap.image[ i ] ); + + } else { + + state.texImage2D( 34069 + i, j + 1, glInternalFormat, glFormat, glType, mipmap.image[ i ] ); + + } + + } + + } + + } + + } + + if ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) { + + // We assume images for cube map have the same size. + generateMipmap( 34067 ); + + } + + source.__currentVersion = source.version; + + if ( texture.onUpdate ) texture.onUpdate( texture ); + + } + + textureProperties.__version = texture.version; + + } + + // Render targets + + // Setup storage for target texture and bind it to correct framebuffer + function setupFrameBufferTexture( framebuffer, renderTarget, texture, attachment, textureTarget ) { + + const glFormat = utils.convert( texture.format, texture.encoding ); + const glType = utils.convert( texture.type ); + const glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.encoding ); + const renderTargetProperties = properties.get( renderTarget ); + + if ( ! renderTargetProperties.__hasExternalTextures ) { + + if ( textureTarget === 32879 || textureTarget === 35866 ) { + + state.texImage3D( textureTarget, 0, glInternalFormat, renderTarget.width, renderTarget.height, renderTarget.depth, 0, glFormat, glType, null ); + + } else { + + state.texImage2D( textureTarget, 0, glInternalFormat, renderTarget.width, renderTarget.height, 0, glFormat, glType, null ); + + } + + } + + state.bindFramebuffer( 36160, framebuffer ); + + if ( useMultisampledRTT( renderTarget ) ) { + + multisampledRTTExt.framebufferTexture2DMultisampleEXT( 36160, attachment, textureTarget, properties.get( texture ).__webglTexture, 0, getRenderTargetSamples( renderTarget ) ); + + } else { + + _gl.framebufferTexture2D( 36160, attachment, textureTarget, properties.get( texture ).__webglTexture, 0 ); + + } + + state.bindFramebuffer( 36160, null ); + + } + + + // Setup storage for internal depth/stencil buffers and bind to correct framebuffer + function setupRenderBufferStorage( renderbuffer, renderTarget, isMultisample ) { + + _gl.bindRenderbuffer( 36161, renderbuffer ); + + if ( renderTarget.depthBuffer && ! renderTarget.stencilBuffer ) { + + let glInternalFormat = 33189; + + if ( isMultisample || useMultisampledRTT( renderTarget ) ) { + + const depthTexture = renderTarget.depthTexture; + + if ( depthTexture && depthTexture.isDepthTexture ) { + + if ( depthTexture.type === FloatType ) { + + glInternalFormat = 36012; + + } else if ( depthTexture.type === UnsignedIntType ) { + + glInternalFormat = 33190; + + } + + } + + const samples = getRenderTargetSamples( renderTarget ); + + if ( useMultisampledRTT( renderTarget ) ) { + + multisampledRTTExt.renderbufferStorageMultisampleEXT( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height ); + + } else { + + _gl.renderbufferStorageMultisample( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height ); + + } + + } else { + + _gl.renderbufferStorage( 36161, glInternalFormat, renderTarget.width, renderTarget.height ); + + } + + _gl.framebufferRenderbuffer( 36160, 36096, 36161, renderbuffer ); + + } else if ( renderTarget.depthBuffer && renderTarget.stencilBuffer ) { + + const samples = getRenderTargetSamples( renderTarget ); + + if ( isMultisample && useMultisampledRTT( renderTarget ) === false ) { + + _gl.renderbufferStorageMultisample( 36161, samples, 35056, renderTarget.width, renderTarget.height ); + + } else if ( useMultisampledRTT( renderTarget ) ) { + + multisampledRTTExt.renderbufferStorageMultisampleEXT( 36161, samples, 35056, renderTarget.width, renderTarget.height ); + + } else { + + _gl.renderbufferStorage( 36161, 34041, renderTarget.width, renderTarget.height ); + + } + + + _gl.framebufferRenderbuffer( 36160, 33306, 36161, renderbuffer ); + + } else { + + const textures = renderTarget.isWebGLMultipleRenderTargets === true ? renderTarget.texture : [ renderTarget.texture ]; + + for ( let i = 0; i < textures.length; i ++ ) { + + const texture = textures[ i ]; + + const glFormat = utils.convert( texture.format, texture.encoding ); + const glType = utils.convert( texture.type ); + const glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.encoding ); + const samples = getRenderTargetSamples( renderTarget ); + + if ( isMultisample && useMultisampledRTT( renderTarget ) === false ) { + + _gl.renderbufferStorageMultisample( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height ); + + } else if ( useMultisampledRTT( renderTarget ) ) { + + multisampledRTTExt.renderbufferStorageMultisampleEXT( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height ); + + } else { + + _gl.renderbufferStorage( 36161, glInternalFormat, renderTarget.width, renderTarget.height ); + + } + + } + + } + + _gl.bindRenderbuffer( 36161, null ); + + } + + // Setup resources for a Depth Texture for a FBO (needs an extension) + function setupDepthTexture( framebuffer, renderTarget ) { + + const isCube = ( renderTarget && renderTarget.isWebGLCubeRenderTarget ); + if ( isCube ) throw new Error( 'Depth Texture with cube render targets is not supported' ); + + state.bindFramebuffer( 36160, framebuffer ); + + if ( ! ( renderTarget.depthTexture && renderTarget.depthTexture.isDepthTexture ) ) { + + throw new Error( 'renderTarget.depthTexture must be an instance of THREE.DepthTexture' ); + + } + + // upload an empty depth texture with framebuffer size + if ( ! properties.get( renderTarget.depthTexture ).__webglTexture || + renderTarget.depthTexture.image.width !== renderTarget.width || + renderTarget.depthTexture.image.height !== renderTarget.height ) { + + renderTarget.depthTexture.image.width = renderTarget.width; + renderTarget.depthTexture.image.height = renderTarget.height; + renderTarget.depthTexture.needsUpdate = true; + + } + + setTexture2D( renderTarget.depthTexture, 0 ); + + const webglDepthTexture = properties.get( renderTarget.depthTexture ).__webglTexture; + const samples = getRenderTargetSamples( renderTarget ); + + if ( renderTarget.depthTexture.format === DepthFormat ) { + + if ( useMultisampledRTT( renderTarget ) ) { + + multisampledRTTExt.framebufferTexture2DMultisampleEXT( 36160, 36096, 3553, webglDepthTexture, 0, samples ); + + } else { + + _gl.framebufferTexture2D( 36160, 36096, 3553, webglDepthTexture, 0 ); + + } + + } else if ( renderTarget.depthTexture.format === DepthStencilFormat ) { + + if ( useMultisampledRTT( renderTarget ) ) { + + multisampledRTTExt.framebufferTexture2DMultisampleEXT( 36160, 33306, 3553, webglDepthTexture, 0, samples ); + + } else { + + _gl.framebufferTexture2D( 36160, 33306, 3553, webglDepthTexture, 0 ); + + } + + } else { + + throw new Error( 'Unknown depthTexture format' ); + + } + + } + + // Setup GL resources for a non-texture depth buffer + function setupDepthRenderbuffer( renderTarget ) { + + const renderTargetProperties = properties.get( renderTarget ); + const isCube = ( renderTarget.isWebGLCubeRenderTarget === true ); + + if ( renderTarget.depthTexture && ! renderTargetProperties.__autoAllocateDepthBuffer ) { + + if ( isCube ) throw new Error( 'target.depthTexture not supported in Cube render targets' ); + + setupDepthTexture( renderTargetProperties.__webglFramebuffer, renderTarget ); + + } else { + + if ( isCube ) { + + renderTargetProperties.__webglDepthbuffer = []; + + for ( let i = 0; i < 6; i ++ ) { + + state.bindFramebuffer( 36160, renderTargetProperties.__webglFramebuffer[ i ] ); + renderTargetProperties.__webglDepthbuffer[ i ] = _gl.createRenderbuffer(); + setupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer[ i ], renderTarget, false ); + + } + + } else { + + state.bindFramebuffer( 36160, renderTargetProperties.__webglFramebuffer ); + renderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer(); + setupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer, renderTarget, false ); + + } + + } + + state.bindFramebuffer( 36160, null ); + + } + + // rebind framebuffer with external textures + function rebindTextures( renderTarget, colorTexture, depthTexture ) { + + const renderTargetProperties = properties.get( renderTarget ); + + if ( colorTexture !== undefined ) { + + setupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, renderTarget.texture, 36064, 3553 ); + + } + + if ( depthTexture !== undefined ) { + + setupDepthRenderbuffer( renderTarget ); + + } + + } + + // Set up GL resources for the render target + function setupRenderTarget( renderTarget ) { + + const texture = renderTarget.texture; + + const renderTargetProperties = properties.get( renderTarget ); + const textureProperties = properties.get( texture ); + + renderTarget.addEventListener( 'dispose', onRenderTargetDispose ); + + if ( renderTarget.isWebGLMultipleRenderTargets !== true ) { + + if ( textureProperties.__webglTexture === undefined ) { + + textureProperties.__webglTexture = _gl.createTexture(); + + } + + textureProperties.__version = texture.version; + info.memory.textures ++; + + } + + const isCube = ( renderTarget.isWebGLCubeRenderTarget === true ); + const isMultipleRenderTargets = ( renderTarget.isWebGLMultipleRenderTargets === true ); + const supportsMips = isPowerOfTwo$1( renderTarget ) || isWebGL2; + + // Setup framebuffer + + if ( isCube ) { + + renderTargetProperties.__webglFramebuffer = []; + + for ( let i = 0; i < 6; i ++ ) { + + renderTargetProperties.__webglFramebuffer[ i ] = _gl.createFramebuffer(); + + } + + } else { + + renderTargetProperties.__webglFramebuffer = _gl.createFramebuffer(); + + if ( isMultipleRenderTargets ) { + + if ( capabilities.drawBuffers ) { + + const textures = renderTarget.texture; + + for ( let i = 0, il = textures.length; i < il; i ++ ) { + + const attachmentProperties = properties.get( textures[ i ] ); + + if ( attachmentProperties.__webglTexture === undefined ) { + + attachmentProperties.__webglTexture = _gl.createTexture(); + + info.memory.textures ++; + + } + + } + + } else { + + console.warn( 'THREE.WebGLRenderer: WebGLMultipleRenderTargets can only be used with WebGL2 or WEBGL_draw_buffers extension.' ); + + } + + } + + if ( ( isWebGL2 && renderTarget.samples > 0 ) && useMultisampledRTT( renderTarget ) === false ) { + + const textures = isMultipleRenderTargets ? texture : [ texture ]; + + renderTargetProperties.__webglMultisampledFramebuffer = _gl.createFramebuffer(); + renderTargetProperties.__webglColorRenderbuffer = []; + + state.bindFramebuffer( 36160, renderTargetProperties.__webglMultisampledFramebuffer ); + + for ( let i = 0; i < textures.length; i ++ ) { + + const texture = textures[ i ]; + renderTargetProperties.__webglColorRenderbuffer[ i ] = _gl.createRenderbuffer(); + + _gl.bindRenderbuffer( 36161, renderTargetProperties.__webglColorRenderbuffer[ i ] ); + + const glFormat = utils.convert( texture.format, texture.encoding ); + const glType = utils.convert( texture.type ); + const glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.encoding ); + const samples = getRenderTargetSamples( renderTarget ); + _gl.renderbufferStorageMultisample( 36161, samples, glInternalFormat, renderTarget.width, renderTarget.height ); + + _gl.framebufferRenderbuffer( 36160, 36064 + i, 36161, renderTargetProperties.__webglColorRenderbuffer[ i ] ); + + } + + _gl.bindRenderbuffer( 36161, null ); + + if ( renderTarget.depthBuffer ) { + + renderTargetProperties.__webglDepthRenderbuffer = _gl.createRenderbuffer(); + setupRenderBufferStorage( renderTargetProperties.__webglDepthRenderbuffer, renderTarget, true ); + + } + + state.bindFramebuffer( 36160, null ); + + } + + } + + // Setup color buffer + + if ( isCube ) { + + state.bindTexture( 34067, textureProperties.__webglTexture ); + setTextureParameters( 34067, texture, supportsMips ); + + for ( let i = 0; i < 6; i ++ ) { + + setupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ], renderTarget, texture, 36064, 34069 + i ); + + } + + if ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) { + + generateMipmap( 34067 ); + + } + + state.unbindTexture(); + + } else if ( isMultipleRenderTargets ) { + + const textures = renderTarget.texture; + + for ( let i = 0, il = textures.length; i < il; i ++ ) { + + const attachment = textures[ i ]; + const attachmentProperties = properties.get( attachment ); + + state.bindTexture( 3553, attachmentProperties.__webglTexture ); + setTextureParameters( 3553, attachment, supportsMips ); + setupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, attachment, 36064 + i, 3553 ); + + if ( textureNeedsGenerateMipmaps( attachment, supportsMips ) ) { + + generateMipmap( 3553 ); + + } + + } + + state.unbindTexture(); + + } else { + + let glTextureType = 3553; + + if ( renderTarget.isWebGL3DRenderTarget || renderTarget.isWebGLArrayRenderTarget ) { + + if ( isWebGL2 ) { + + glTextureType = renderTarget.isWebGL3DRenderTarget ? 32879 : 35866; + + } else { + + console.error( 'THREE.WebGLTextures: THREE.Data3DTexture and THREE.DataArrayTexture only supported with WebGL2.' ); + + } + + } + + state.bindTexture( glTextureType, textureProperties.__webglTexture ); + setTextureParameters( glTextureType, texture, supportsMips ); + setupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, texture, 36064, glTextureType ); + + if ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) { + + generateMipmap( glTextureType ); + + } + + state.unbindTexture(); + + } + + // Setup depth and stencil buffers + + if ( renderTarget.depthBuffer ) { + + setupDepthRenderbuffer( renderTarget ); + + } + + } + + function updateRenderTargetMipmap( renderTarget ) { + + const supportsMips = isPowerOfTwo$1( renderTarget ) || isWebGL2; + + const textures = renderTarget.isWebGLMultipleRenderTargets === true ? renderTarget.texture : [ renderTarget.texture ]; + + for ( let i = 0, il = textures.length; i < il; i ++ ) { + + const texture = textures[ i ]; + + if ( textureNeedsGenerateMipmaps( texture, supportsMips ) ) { + + const target = renderTarget.isWebGLCubeRenderTarget ? 34067 : 3553; + const webglTexture = properties.get( texture ).__webglTexture; + + state.bindTexture( target, webglTexture ); + generateMipmap( target ); + state.unbindTexture(); + + } + + } + + } + + function updateMultisampleRenderTarget( renderTarget ) { + + if ( ( isWebGL2 && renderTarget.samples > 0 ) && useMultisampledRTT( renderTarget ) === false ) { + + const textures = renderTarget.isWebGLMultipleRenderTargets ? renderTarget.texture : [ renderTarget.texture ]; + const width = renderTarget.width; + const height = renderTarget.height; + let mask = 16384; + const invalidationArray = []; + const depthStyle = renderTarget.stencilBuffer ? 33306 : 36096; + const renderTargetProperties = properties.get( renderTarget ); + const isMultipleRenderTargets = ( renderTarget.isWebGLMultipleRenderTargets === true ); + + // If MRT we need to remove FBO attachments + if ( isMultipleRenderTargets ) { + + for ( let i = 0; i < textures.length; i ++ ) { + + state.bindFramebuffer( 36160, renderTargetProperties.__webglMultisampledFramebuffer ); + _gl.framebufferRenderbuffer( 36160, 36064 + i, 36161, null ); + + state.bindFramebuffer( 36160, renderTargetProperties.__webglFramebuffer ); + _gl.framebufferTexture2D( 36009, 36064 + i, 3553, null, 0 ); + + } + + } + + state.bindFramebuffer( 36008, renderTargetProperties.__webglMultisampledFramebuffer ); + state.bindFramebuffer( 36009, renderTargetProperties.__webglFramebuffer ); + + for ( let i = 0; i < textures.length; i ++ ) { + + invalidationArray.push( 36064 + i ); + + if ( renderTarget.depthBuffer ) { + + invalidationArray.push( depthStyle ); + + } + + const ignoreDepthValues = ( renderTargetProperties.__ignoreDepthValues !== undefined ) ? renderTargetProperties.__ignoreDepthValues : false; + + if ( ignoreDepthValues === false ) { + + if ( renderTarget.depthBuffer ) mask |= 256; + if ( renderTarget.stencilBuffer ) mask |= 1024; + + } + + if ( isMultipleRenderTargets ) { + + _gl.framebufferRenderbuffer( 36008, 36064, 36161, renderTargetProperties.__webglColorRenderbuffer[ i ] ); + + } + + if ( ignoreDepthValues === true ) { + + _gl.invalidateFramebuffer( 36008, [ depthStyle ] ); + _gl.invalidateFramebuffer( 36009, [ depthStyle ] ); + + } + + if ( isMultipleRenderTargets ) { + + const webglTexture = properties.get( textures[ i ] ).__webglTexture; + _gl.framebufferTexture2D( 36009, 36064, 3553, webglTexture, 0 ); + + } + + _gl.blitFramebuffer( 0, 0, width, height, 0, 0, width, height, mask, 9728 ); + + if ( supportsInvalidateFramebuffer ) { + + _gl.invalidateFramebuffer( 36008, invalidationArray ); + + } + + + } + + state.bindFramebuffer( 36008, null ); + state.bindFramebuffer( 36009, null ); + + // If MRT since pre-blit we removed the FBO we need to reconstruct the attachments + if ( isMultipleRenderTargets ) { + + for ( let i = 0; i < textures.length; i ++ ) { + + state.bindFramebuffer( 36160, renderTargetProperties.__webglMultisampledFramebuffer ); + _gl.framebufferRenderbuffer( 36160, 36064 + i, 36161, renderTargetProperties.__webglColorRenderbuffer[ i ] ); + + const webglTexture = properties.get( textures[ i ] ).__webglTexture; + + state.bindFramebuffer( 36160, renderTargetProperties.__webglFramebuffer ); + _gl.framebufferTexture2D( 36009, 36064 + i, 3553, webglTexture, 0 ); + + } + + } + + state.bindFramebuffer( 36009, renderTargetProperties.__webglMultisampledFramebuffer ); + + } + + } + + function getRenderTargetSamples( renderTarget ) { + + return Math.min( maxSamples, renderTarget.samples ); + + } + + function useMultisampledRTT( renderTarget ) { + + const renderTargetProperties = properties.get( renderTarget ); + + return isWebGL2 && renderTarget.samples > 0 && extensions.has( 'WEBGL_multisampled_render_to_texture' ) === true && renderTargetProperties.__useRenderToTexture !== false; + + } + + function updateVideoTexture( texture ) { + + const frame = info.render.frame; + + // Check the last frame we updated the VideoTexture + + if ( _videoTextures.get( texture ) !== frame ) { + + _videoTextures.set( texture, frame ); + texture.update(); + + } + + } + + function verifyColorSpace( texture, image ) { + + const encoding = texture.encoding; + const format = texture.format; + const type = texture.type; + + if ( texture.isCompressedTexture === true || texture.isVideoTexture === true || texture.format === _SRGBAFormat ) return image; + + if ( encoding !== LinearEncoding ) { + + // sRGB + + if ( encoding === sRGBEncoding ) { + + if ( isWebGL2 === false ) { + + // in WebGL 1, try to use EXT_sRGB extension and unsized formats + + if ( extensions.has( 'EXT_sRGB' ) === true && format === RGBAFormat ) { + + texture.format = _SRGBAFormat; + + // it's not possible to generate mips in WebGL 1 with this extension + + texture.minFilter = LinearFilter; + texture.generateMipmaps = false; + + } else { + + // slow fallback (CPU decode) + + image = ImageUtils.sRGBToLinear( image ); + + } + + } else { + + // in WebGL 2 uncompressed textures can only be sRGB encoded if they have the RGBA8 format + + if ( format !== RGBAFormat || type !== UnsignedByteType ) { + + console.warn( 'THREE.WebGLTextures: sRGB encoded textures have to use RGBAFormat and UnsignedByteType.' ); + + } + + } + + } else { + + console.error( 'THREE.WebGLTextures: Unsupported texture encoding:', encoding ); + + } + + } + + return image; + + } + + // + + this.allocateTextureUnit = allocateTextureUnit; + this.resetTextureUnits = resetTextureUnits; + + this.setTexture2D = setTexture2D; + this.setTexture2DArray = setTexture2DArray; + this.setTexture3D = setTexture3D; + this.setTextureCube = setTextureCube; + this.rebindTextures = rebindTextures; + this.setupRenderTarget = setupRenderTarget; + this.updateRenderTargetMipmap = updateRenderTargetMipmap; + this.updateMultisampleRenderTarget = updateMultisampleRenderTarget; + this.setupDepthRenderbuffer = setupDepthRenderbuffer; + this.setupFrameBufferTexture = setupFrameBufferTexture; + this.useMultisampledRTT = useMultisampledRTT; + +} + +function WebGLUtils( gl, extensions, capabilities ) { + + const isWebGL2 = capabilities.isWebGL2; + + function convert( p, encoding = null ) { + + let extension; + + if ( p === UnsignedByteType ) return 5121; + if ( p === UnsignedShort4444Type ) return 32819; + if ( p === UnsignedShort5551Type ) return 32820; + + if ( p === ByteType ) return 5120; + if ( p === ShortType ) return 5122; + if ( p === UnsignedShortType ) return 5123; + if ( p === IntType ) return 5124; + if ( p === UnsignedIntType ) return 5125; + if ( p === FloatType ) return 5126; + + if ( p === HalfFloatType ) { + + if ( isWebGL2 ) return 5131; + + extension = extensions.get( 'OES_texture_half_float' ); + + if ( extension !== null ) { + + return extension.HALF_FLOAT_OES; + + } else { + + return null; + + } + + } + + if ( p === AlphaFormat ) return 6406; + if ( p === RGBAFormat ) return 6408; + if ( p === LuminanceFormat ) return 6409; + if ( p === LuminanceAlphaFormat ) return 6410; + if ( p === DepthFormat ) return 6402; + if ( p === DepthStencilFormat ) return 34041; + if ( p === RedFormat ) return 6403; + + if ( p === RGBFormat ) { + + console.warn( 'THREE.WebGLRenderer: THREE.RGBFormat has been removed. Use THREE.RGBAFormat instead. https://github.com/mrdoob/three.js/pull/23228' ); + return 6408; + + } + + // WebGL 1 sRGB fallback + + if ( p === _SRGBAFormat ) { + + extension = extensions.get( 'EXT_sRGB' ); + + if ( extension !== null ) { + + return extension.SRGB_ALPHA_EXT; + + } else { + + return null; + + } + + } + + // WebGL2 formats. + + if ( p === RedIntegerFormat ) return 36244; + if ( p === RGFormat ) return 33319; + if ( p === RGIntegerFormat ) return 33320; + if ( p === RGBAIntegerFormat ) return 36249; + + // S3TC + + if ( p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format || p === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format ) { + + if ( encoding === sRGBEncoding ) { + + extension = extensions.get( 'WEBGL_compressed_texture_s3tc_srgb' ); + + if ( extension !== null ) { + + if ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_SRGB_S3TC_DXT1_EXT; + if ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT; + if ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT; + if ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT; + + } else { + + return null; + + } + + } else { + + extension = extensions.get( 'WEBGL_compressed_texture_s3tc' ); + + if ( extension !== null ) { + + if ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_RGB_S3TC_DXT1_EXT; + if ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT; + if ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT; + if ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT; + + } else { + + return null; + + } + + } + + } + + // PVRTC + + if ( p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format || p === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format ) { + + extension = extensions.get( 'WEBGL_compressed_texture_pvrtc' ); + + if ( extension !== null ) { + + if ( p === RGB_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG; + if ( p === RGB_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG; + if ( p === RGBA_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG; + if ( p === RGBA_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG; + + } else { + + return null; + + } + + } + + // ETC1 + + if ( p === RGB_ETC1_Format ) { + + extension = extensions.get( 'WEBGL_compressed_texture_etc1' ); + + if ( extension !== null ) { + + return extension.COMPRESSED_RGB_ETC1_WEBGL; + + } else { + + return null; + + } + + } + + // ETC2 + + if ( p === RGB_ETC2_Format || p === RGBA_ETC2_EAC_Format ) { + + extension = extensions.get( 'WEBGL_compressed_texture_etc' ); + + if ( extension !== null ) { + + if ( p === RGB_ETC2_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB8_ETC2 : extension.COMPRESSED_RGB8_ETC2; + if ( p === RGBA_ETC2_EAC_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC : extension.COMPRESSED_RGBA8_ETC2_EAC; + + } else { + + return null; + + } + + } + + // ASTC + + if ( p === RGBA_ASTC_4x4_Format || p === RGBA_ASTC_5x4_Format || p === RGBA_ASTC_5x5_Format || + p === RGBA_ASTC_6x5_Format || p === RGBA_ASTC_6x6_Format || p === RGBA_ASTC_8x5_Format || + p === RGBA_ASTC_8x6_Format || p === RGBA_ASTC_8x8_Format || p === RGBA_ASTC_10x5_Format || + p === RGBA_ASTC_10x6_Format || p === RGBA_ASTC_10x8_Format || p === RGBA_ASTC_10x10_Format || + p === RGBA_ASTC_12x10_Format || p === RGBA_ASTC_12x12_Format ) { + + extension = extensions.get( 'WEBGL_compressed_texture_astc' ); + + if ( extension !== null ) { + + if ( p === RGBA_ASTC_4x4_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR : extension.COMPRESSED_RGBA_ASTC_4x4_KHR; + if ( p === RGBA_ASTC_5x4_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR : extension.COMPRESSED_RGBA_ASTC_5x4_KHR; + if ( p === RGBA_ASTC_5x5_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR : extension.COMPRESSED_RGBA_ASTC_5x5_KHR; + if ( p === RGBA_ASTC_6x5_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR : extension.COMPRESSED_RGBA_ASTC_6x5_KHR; + if ( p === RGBA_ASTC_6x6_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR : extension.COMPRESSED_RGBA_ASTC_6x6_KHR; + if ( p === RGBA_ASTC_8x5_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR : extension.COMPRESSED_RGBA_ASTC_8x5_KHR; + if ( p === RGBA_ASTC_8x6_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR : extension.COMPRESSED_RGBA_ASTC_8x6_KHR; + if ( p === RGBA_ASTC_8x8_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR : extension.COMPRESSED_RGBA_ASTC_8x8_KHR; + if ( p === RGBA_ASTC_10x5_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR : extension.COMPRESSED_RGBA_ASTC_10x5_KHR; + if ( p === RGBA_ASTC_10x6_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR : extension.COMPRESSED_RGBA_ASTC_10x6_KHR; + if ( p === RGBA_ASTC_10x8_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR : extension.COMPRESSED_RGBA_ASTC_10x8_KHR; + if ( p === RGBA_ASTC_10x10_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR : extension.COMPRESSED_RGBA_ASTC_10x10_KHR; + if ( p === RGBA_ASTC_12x10_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR : extension.COMPRESSED_RGBA_ASTC_12x10_KHR; + if ( p === RGBA_ASTC_12x12_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR : extension.COMPRESSED_RGBA_ASTC_12x12_KHR; + + } else { + + return null; + + } + + } + + // BPTC + + if ( p === RGBA_BPTC_Format ) { + + extension = extensions.get( 'EXT_texture_compression_bptc' ); + + if ( extension !== null ) { + + if ( p === RGBA_BPTC_Format ) return ( encoding === sRGBEncoding ) ? extension.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT : extension.COMPRESSED_RGBA_BPTC_UNORM_EXT; + + } else { + + return null; + + } + + } + + // + + if ( p === UnsignedInt248Type ) { + + if ( isWebGL2 ) return 34042; + + extension = extensions.get( 'WEBGL_depth_texture' ); + + if ( extension !== null ) { + + return extension.UNSIGNED_INT_24_8_WEBGL; + + } else { + + return null; + + } + + } + + // if "p" can't be resolved, assume the user defines a WebGL constant as a string (fallback/workaround for packed RGB formats) + + return ( gl[ p ] !== undefined ) ? gl[ p ] : null; + + } + + return { convert: convert }; + +} + +class ArrayCamera extends PerspectiveCamera { + + constructor( array = [] ) { + + super(); + + this.isArrayCamera = true; + + this.cameras = array; + + } + +} + +class Group extends Object3D { + + constructor() { + + super(); + + this.isGroup = true; + + this.type = 'Group'; + + } + +} + +const _moveEvent = { type: 'move' }; + +class WebXRController { + + constructor() { + + this._targetRay = null; + this._grip = null; + this._hand = null; + + } + + getHandSpace() { + + if ( this._hand === null ) { + + this._hand = new Group(); + this._hand.matrixAutoUpdate = false; + this._hand.visible = false; + + this._hand.joints = {}; + this._hand.inputState = { pinching: false }; + + } + + return this._hand; + + } + + getTargetRaySpace() { + + if ( this._targetRay === null ) { + + this._targetRay = new Group(); + this._targetRay.matrixAutoUpdate = false; + this._targetRay.visible = false; + this._targetRay.hasLinearVelocity = false; + this._targetRay.linearVelocity = new Vector3(); + this._targetRay.hasAngularVelocity = false; + this._targetRay.angularVelocity = new Vector3(); + + } + + return this._targetRay; + + } + + getGripSpace() { + + if ( this._grip === null ) { + + this._grip = new Group(); + this._grip.matrixAutoUpdate = false; + this._grip.visible = false; + this._grip.hasLinearVelocity = false; + this._grip.linearVelocity = new Vector3(); + this._grip.hasAngularVelocity = false; + this._grip.angularVelocity = new Vector3(); + + } + + return this._grip; + + } + + dispatchEvent( event ) { + + if ( this._targetRay !== null ) { + + this._targetRay.dispatchEvent( event ); + + } + + if ( this._grip !== null ) { + + this._grip.dispatchEvent( event ); + + } + + if ( this._hand !== null ) { + + this._hand.dispatchEvent( event ); + + } + + return this; + + } + + disconnect( inputSource ) { + + this.dispatchEvent( { type: 'disconnected', data: inputSource } ); + + if ( this._targetRay !== null ) { + + this._targetRay.visible = false; + + } + + if ( this._grip !== null ) { + + this._grip.visible = false; + + } + + if ( this._hand !== null ) { + + this._hand.visible = false; + + } + + return this; + + } + + update( inputSource, frame, referenceSpace ) { + + let inputPose = null; + let gripPose = null; + let handPose = null; + + const targetRay = this._targetRay; + const grip = this._grip; + const hand = this._hand; + + if ( inputSource && frame.session.visibilityState !== 'visible-blurred' ) { + + if ( hand && inputSource.hand ) { + + handPose = true; + + for ( const inputjoint of inputSource.hand.values() ) { + + // Update the joints groups with the XRJoint poses + const jointPose = frame.getJointPose( inputjoint, referenceSpace ); + + if ( hand.joints[ inputjoint.jointName ] === undefined ) { + + // The transform of this joint will be updated with the joint pose on each frame + const joint = new Group(); + joint.matrixAutoUpdate = false; + joint.visible = false; + hand.joints[ inputjoint.jointName ] = joint; + // ?? + hand.add( joint ); + + } + + const joint = hand.joints[ inputjoint.jointName ]; + + if ( jointPose !== null ) { + + joint.matrix.fromArray( jointPose.transform.matrix ); + joint.matrix.decompose( joint.position, joint.rotation, joint.scale ); + joint.jointRadius = jointPose.radius; + + } + + joint.visible = jointPose !== null; + + } + + // Custom events + + // Check pinchz + const indexTip = hand.joints[ 'index-finger-tip' ]; + const thumbTip = hand.joints[ 'thumb-tip' ]; + const distance = indexTip.position.distanceTo( thumbTip.position ); + + const distanceToPinch = 0.02; + const threshold = 0.005; + + if ( hand.inputState.pinching && distance > distanceToPinch + threshold ) { + + hand.inputState.pinching = false; + this.dispatchEvent( { + type: 'pinchend', + handedness: inputSource.handedness, + target: this + } ); + + } else if ( ! hand.inputState.pinching && distance <= distanceToPinch - threshold ) { + + hand.inputState.pinching = true; + this.dispatchEvent( { + type: 'pinchstart', + handedness: inputSource.handedness, + target: this + } ); + + } + + } else { + + if ( grip !== null && inputSource.gripSpace ) { + + gripPose = frame.getPose( inputSource.gripSpace, referenceSpace ); + + if ( gripPose !== null ) { + + grip.matrix.fromArray( gripPose.transform.matrix ); + grip.matrix.decompose( grip.position, grip.rotation, grip.scale ); + + if ( gripPose.linearVelocity ) { + + grip.hasLinearVelocity = true; + grip.linearVelocity.copy( gripPose.linearVelocity ); + + } else { + + grip.hasLinearVelocity = false; + + } + + if ( gripPose.angularVelocity ) { + + grip.hasAngularVelocity = true; + grip.angularVelocity.copy( gripPose.angularVelocity ); + + } else { + + grip.hasAngularVelocity = false; + + } + + } + + } + + } + + if ( targetRay !== null ) { + + inputPose = frame.getPose( inputSource.targetRaySpace, referenceSpace ); + + // Some runtimes (namely Vive Cosmos with Vive OpenXR Runtime) have only grip space and ray space is equal to it + if ( inputPose === null && gripPose !== null ) { + + inputPose = gripPose; + + } + + if ( inputPose !== null ) { + + targetRay.matrix.fromArray( inputPose.transform.matrix ); + targetRay.matrix.decompose( targetRay.position, targetRay.rotation, targetRay.scale ); + + if ( inputPose.linearVelocity ) { + + targetRay.hasLinearVelocity = true; + targetRay.linearVelocity.copy( inputPose.linearVelocity ); + + } else { + + targetRay.hasLinearVelocity = false; + + } + + if ( inputPose.angularVelocity ) { + + targetRay.hasAngularVelocity = true; + targetRay.angularVelocity.copy( inputPose.angularVelocity ); + + } else { + + targetRay.hasAngularVelocity = false; + + } + + this.dispatchEvent( _moveEvent ); + + } + + } + + + } + + if ( targetRay !== null ) { + + targetRay.visible = ( inputPose !== null ); + + } + + if ( grip !== null ) { + + grip.visible = ( gripPose !== null ); + + } + + if ( hand !== null ) { + + hand.visible = ( handPose !== null ); + + } + + return this; + + } + +} + +class DepthTexture extends Texture { + + constructor( width, height, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, format ) { + + format = format !== undefined ? format : DepthFormat; + + if ( format !== DepthFormat && format !== DepthStencilFormat ) { + + throw new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' ); + + } + + if ( type === undefined && format === DepthFormat ) type = UnsignedIntType; + if ( type === undefined && format === DepthStencilFormat ) type = UnsignedInt248Type; + + super( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ); + + this.isDepthTexture = true; + + this.image = { width: width, height: height }; + + this.magFilter = magFilter !== undefined ? magFilter : NearestFilter; + this.minFilter = minFilter !== undefined ? minFilter : NearestFilter; + + this.flipY = false; + this.generateMipmaps = false; + + } + + +} + +class WebXRManager extends EventDispatcher { + + constructor( renderer, gl ) { + + super(); + + const scope = this; + + let session = null; + let framebufferScaleFactor = 1.0; + + let referenceSpace = null; + let referenceSpaceType = 'local-floor'; + let customReferenceSpace = null; + + let pose = null; + let glBinding = null; + let glProjLayer = null; + let glBaseLayer = null; + let xrFrame = null; + const attributes = gl.getContextAttributes(); + let initialRenderTarget = null; + let newRenderTarget = null; + + const controllers = []; + const controllerInputSources = []; + + // + + const cameraL = new PerspectiveCamera(); + cameraL.layers.enable( 1 ); + cameraL.viewport = new Vector4(); + + const cameraR = new PerspectiveCamera(); + cameraR.layers.enable( 2 ); + cameraR.viewport = new Vector4(); + + const cameras = [ cameraL, cameraR ]; + + const cameraVR = new ArrayCamera(); + cameraVR.layers.enable( 1 ); + cameraVR.layers.enable( 2 ); + + let _currentDepthNear = null; + let _currentDepthFar = null; + + // + + this.cameraAutoUpdate = true; + this.enabled = false; + + this.isPresenting = false; + + this.getController = function ( index ) { + + let controller = controllers[ index ]; + + if ( controller === undefined ) { + + controller = new WebXRController(); + controllers[ index ] = controller; + + } + + return controller.getTargetRaySpace(); + + }; + + this.getControllerGrip = function ( index ) { + + let controller = controllers[ index ]; + + if ( controller === undefined ) { + + controller = new WebXRController(); + controllers[ index ] = controller; + + } + + return controller.getGripSpace(); + + }; + + this.getHand = function ( index ) { + + let controller = controllers[ index ]; + + if ( controller === undefined ) { + + controller = new WebXRController(); + controllers[ index ] = controller; + + } + + return controller.getHandSpace(); + + }; + + // + + function onSessionEvent( event ) { + + const controllerIndex = controllerInputSources.indexOf( event.inputSource ); + + if ( controllerIndex === - 1 ) { + + return; + + } + + const controller = controllers[ controllerIndex ]; + + if ( controller !== undefined ) { + + controller.dispatchEvent( { type: event.type, data: event.inputSource } ); + + } + + } + + function onSessionEnd() { + + session.removeEventListener( 'select', onSessionEvent ); + session.removeEventListener( 'selectstart', onSessionEvent ); + session.removeEventListener( 'selectend', onSessionEvent ); + session.removeEventListener( 'squeeze', onSessionEvent ); + session.removeEventListener( 'squeezestart', onSessionEvent ); + session.removeEventListener( 'squeezeend', onSessionEvent ); + session.removeEventListener( 'end', onSessionEnd ); + session.removeEventListener( 'inputsourceschange', onInputSourcesChange ); + + for ( let i = 0; i < controllers.length; i ++ ) { + + const inputSource = controllerInputSources[ i ]; + + if ( inputSource === null ) continue; + + controllerInputSources[ i ] = null; + + controllers[ i ].disconnect( inputSource ); + + } + + _currentDepthNear = null; + _currentDepthFar = null; + + // restore framebuffer/rendering state + + renderer.setRenderTarget( initialRenderTarget ); + + glBaseLayer = null; + glProjLayer = null; + glBinding = null; + session = null; + newRenderTarget = null; + + // + + animation.stop(); + + scope.isPresenting = false; + + scope.dispatchEvent( { type: 'sessionend' } ); + + } + + this.setFramebufferScaleFactor = function ( value ) { + + framebufferScaleFactor = value; + + if ( scope.isPresenting === true ) { + + console.warn( 'THREE.WebXRManager: Cannot change framebuffer scale while presenting.' ); + + } + + }; + + this.setReferenceSpaceType = function ( value ) { + + referenceSpaceType = value; + + if ( scope.isPresenting === true ) { + + console.warn( 'THREE.WebXRManager: Cannot change reference space type while presenting.' ); + + } + + }; + + this.getReferenceSpace = function () { + + return customReferenceSpace || referenceSpace; + + }; + + this.setReferenceSpace = function ( space ) { + + customReferenceSpace = space; + + }; + + this.getBaseLayer = function () { + + return glProjLayer !== null ? glProjLayer : glBaseLayer; + + }; + + this.getBinding = function () { + + return glBinding; + + }; + + this.getFrame = function () { + + return xrFrame; + + }; + + this.getSession = function () { + + return session; + + }; + + this.setSession = async function ( value ) { + + session = value; + + if ( session !== null ) { + + initialRenderTarget = renderer.getRenderTarget(); + + session.addEventListener( 'select', onSessionEvent ); + session.addEventListener( 'selectstart', onSessionEvent ); + session.addEventListener( 'selectend', onSessionEvent ); + session.addEventListener( 'squeeze', onSessionEvent ); + session.addEventListener( 'squeezestart', onSessionEvent ); + session.addEventListener( 'squeezeend', onSessionEvent ); + session.addEventListener( 'end', onSessionEnd ); + session.addEventListener( 'inputsourceschange', onInputSourcesChange ); + + if ( attributes.xrCompatible !== true ) { + + await gl.makeXRCompatible(); + + } + + if ( ( session.renderState.layers === undefined ) || ( renderer.capabilities.isWebGL2 === false ) ) { + + const layerInit = { + antialias: ( session.renderState.layers === undefined ) ? attributes.antialias : true, + alpha: attributes.alpha, + depth: attributes.depth, + stencil: attributes.stencil, + framebufferScaleFactor: framebufferScaleFactor + }; + + glBaseLayer = new XRWebGLLayer( session, gl, layerInit ); + + session.updateRenderState( { baseLayer: glBaseLayer } ); + + newRenderTarget = new WebGLRenderTarget( + glBaseLayer.framebufferWidth, + glBaseLayer.framebufferHeight, + { + format: RGBAFormat, + type: UnsignedByteType, + encoding: renderer.outputEncoding + } + ); + + } else { + + let depthFormat = null; + let depthType = null; + let glDepthFormat = null; + + if ( attributes.depth ) { + + glDepthFormat = attributes.stencil ? 35056 : 33190; + depthFormat = attributes.stencil ? DepthStencilFormat : DepthFormat; + depthType = attributes.stencil ? UnsignedInt248Type : UnsignedIntType; + + } + + const projectionlayerInit = { + colorFormat: 32856, + depthFormat: glDepthFormat, + scaleFactor: framebufferScaleFactor + }; + + glBinding = new XRWebGLBinding( session, gl ); + + glProjLayer = glBinding.createProjectionLayer( projectionlayerInit ); + + session.updateRenderState( { layers: [ glProjLayer ] } ); + + newRenderTarget = new WebGLRenderTarget( + glProjLayer.textureWidth, + glProjLayer.textureHeight, + { + format: RGBAFormat, + type: UnsignedByteType, + depthTexture: new DepthTexture( glProjLayer.textureWidth, glProjLayer.textureHeight, depthType, undefined, undefined, undefined, undefined, undefined, undefined, depthFormat ), + stencilBuffer: attributes.stencil, + encoding: renderer.outputEncoding, + samples: attributes.antialias ? 4 : 0 + } ); + + const renderTargetProperties = renderer.properties.get( newRenderTarget ); + renderTargetProperties.__ignoreDepthValues = glProjLayer.ignoreDepthValues; + + } + + newRenderTarget.isXRRenderTarget = true; // TODO Remove this when possible, see #23278 + + // Set foveation to maximum. + this.setFoveation( 1.0 ); + + customReferenceSpace = null; + referenceSpace = await session.requestReferenceSpace( referenceSpaceType ); + + animation.setContext( session ); + animation.start(); + + scope.isPresenting = true; + + scope.dispatchEvent( { type: 'sessionstart' } ); + + } + + }; + + function onInputSourcesChange( event ) { + + // Notify disconnected + + for ( let i = 0; i < event.removed.length; i ++ ) { + + const inputSource = event.removed[ i ]; + const index = controllerInputSources.indexOf( inputSource ); + + if ( index >= 0 ) { + + controllerInputSources[ index ] = null; + controllers[ index ].dispatchEvent( { type: 'disconnected', data: inputSource } ); + + } + + } + + // Notify connected + + for ( let i = 0; i < event.added.length; i ++ ) { + + const inputSource = event.added[ i ]; + + let controllerIndex = controllerInputSources.indexOf( inputSource ); + + if ( controllerIndex === - 1 ) { + + // Assign input source a controller that currently has no input source + + for ( let i = 0; i < controllers.length; i ++ ) { + + if ( i >= controllerInputSources.length ) { + + controllerInputSources.push( inputSource ); + controllerIndex = i; + break; + + } else if ( controllerInputSources[ i ] === null ) { + + controllerInputSources[ i ] = inputSource; + controllerIndex = i; + break; + + } + + } + + // If all controllers do currently receive input we ignore new ones + + if ( controllerIndex === - 1 ) break; + + } + + const controller = controllers[ controllerIndex ]; + + if ( controller ) { + + controller.dispatchEvent( { type: 'connected', data: inputSource } ); + + } + + } + + } + + // + + const cameraLPos = new Vector3(); + const cameraRPos = new Vector3(); + + /** + * Assumes 2 cameras that are parallel and share an X-axis, and that + * the cameras' projection and world matrices have already been set. + * And that near and far planes are identical for both cameras. + * Visualization of this technique: https://computergraphics.stackexchange.com/a/4765 + */ + function setProjectionFromUnion( camera, cameraL, cameraR ) { + + cameraLPos.setFromMatrixPosition( cameraL.matrixWorld ); + cameraRPos.setFromMatrixPosition( cameraR.matrixWorld ); + + const ipd = cameraLPos.distanceTo( cameraRPos ); + + const projL = cameraL.projectionMatrix.elements; + const projR = cameraR.projectionMatrix.elements; + + // VR systems will have identical far and near planes, and + // most likely identical top and bottom frustum extents. + // Use the left camera for these values. + const near = projL[ 14 ] / ( projL[ 10 ] - 1 ); + const far = projL[ 14 ] / ( projL[ 10 ] + 1 ); + const topFov = ( projL[ 9 ] + 1 ) / projL[ 5 ]; + const bottomFov = ( projL[ 9 ] - 1 ) / projL[ 5 ]; + + const leftFov = ( projL[ 8 ] - 1 ) / projL[ 0 ]; + const rightFov = ( projR[ 8 ] + 1 ) / projR[ 0 ]; + const left = near * leftFov; + const right = near * rightFov; + + // Calculate the new camera's position offset from the + // left camera. xOffset should be roughly half `ipd`. + const zOffset = ipd / ( - leftFov + rightFov ); + const xOffset = zOffset * - leftFov; + + // TODO: Better way to apply this offset? + cameraL.matrixWorld.decompose( camera.position, camera.quaternion, camera.scale ); + camera.translateX( xOffset ); + camera.translateZ( zOffset ); + camera.matrixWorld.compose( camera.position, camera.quaternion, camera.scale ); + camera.matrixWorldInverse.copy( camera.matrixWorld ).invert(); + + // Find the union of the frustum values of the cameras and scale + // the values so that the near plane's position does not change in world space, + // although must now be relative to the new union camera. + const near2 = near + zOffset; + const far2 = far + zOffset; + const left2 = left - xOffset; + const right2 = right + ( ipd - xOffset ); + const top2 = topFov * far / far2 * near2; + const bottom2 = bottomFov * far / far2 * near2; + + camera.projectionMatrix.makePerspective( left2, right2, top2, bottom2, near2, far2 ); + + } + + function updateCamera( camera, parent ) { + + if ( parent === null ) { + + camera.matrixWorld.copy( camera.matrix ); + + } else { + + camera.matrixWorld.multiplyMatrices( parent.matrixWorld, camera.matrix ); + + } + + camera.matrixWorldInverse.copy( camera.matrixWorld ).invert(); + + } + + this.updateCamera = function ( camera ) { + + if ( session === null ) return; + + cameraVR.near = cameraR.near = cameraL.near = camera.near; + cameraVR.far = cameraR.far = cameraL.far = camera.far; + + if ( _currentDepthNear !== cameraVR.near || _currentDepthFar !== cameraVR.far ) { + + // Note that the new renderState won't apply until the next frame. See #18320 + + session.updateRenderState( { + depthNear: cameraVR.near, + depthFar: cameraVR.far + } ); + + _currentDepthNear = cameraVR.near; + _currentDepthFar = cameraVR.far; + + } + + const parent = camera.parent; + const cameras = cameraVR.cameras; + + updateCamera( cameraVR, parent ); + + for ( let i = 0; i < cameras.length; i ++ ) { + + updateCamera( cameras[ i ], parent ); + + } + + cameraVR.matrixWorld.decompose( cameraVR.position, cameraVR.quaternion, cameraVR.scale ); + + // update user camera and its children + + camera.position.copy( cameraVR.position ); + camera.quaternion.copy( cameraVR.quaternion ); + camera.scale.copy( cameraVR.scale ); + camera.matrix.copy( cameraVR.matrix ); + camera.matrixWorld.copy( cameraVR.matrixWorld ); + + const children = camera.children; + + for ( let i = 0, l = children.length; i < l; i ++ ) { + + children[ i ].updateMatrixWorld( true ); + + } + + // update projection matrix for proper view frustum culling + + if ( cameras.length === 2 ) { + + setProjectionFromUnion( cameraVR, cameraL, cameraR ); + + } else { + + // assume single camera setup (AR) + + cameraVR.projectionMatrix.copy( cameraL.projectionMatrix ); + + } + + }; + + this.getCamera = function () { + + return cameraVR; + + }; + + this.getFoveation = function () { + + if ( glProjLayer !== null ) { + + return glProjLayer.fixedFoveation; + + } + + if ( glBaseLayer !== null ) { + + return glBaseLayer.fixedFoveation; + + } + + return undefined; + + }; + + this.setFoveation = function ( foveation ) { + + // 0 = no foveation = full resolution + // 1 = maximum foveation = the edges render at lower resolution + + if ( glProjLayer !== null ) { + + glProjLayer.fixedFoveation = foveation; + + } + + if ( glBaseLayer !== null && glBaseLayer.fixedFoveation !== undefined ) { + + glBaseLayer.fixedFoveation = foveation; + + } + + }; + + // Animation Loop + + let onAnimationFrameCallback = null; + + function onAnimationFrame( time, frame ) { + + pose = frame.getViewerPose( customReferenceSpace || referenceSpace ); + xrFrame = frame; + + if ( pose !== null ) { + + const views = pose.views; + + if ( glBaseLayer !== null ) { + + renderer.setRenderTargetFramebuffer( newRenderTarget, glBaseLayer.framebuffer ); + renderer.setRenderTarget( newRenderTarget ); + + } + + let cameraVRNeedsUpdate = false; + + // check if it's necessary to rebuild cameraVR's camera list + + if ( views.length !== cameraVR.cameras.length ) { + + cameraVR.cameras.length = 0; + cameraVRNeedsUpdate = true; + + } + + for ( let i = 0; i < views.length; i ++ ) { + + const view = views[ i ]; + + let viewport = null; + + if ( glBaseLayer !== null ) { + + viewport = glBaseLayer.getViewport( view ); + + } else { + + const glSubImage = glBinding.getViewSubImage( glProjLayer, view ); + viewport = glSubImage.viewport; + + // For side-by-side projection, we only produce a single texture for both eyes. + if ( i === 0 ) { + + renderer.setRenderTargetTextures( + newRenderTarget, + glSubImage.colorTexture, + glProjLayer.ignoreDepthValues ? undefined : glSubImage.depthStencilTexture ); + + renderer.setRenderTarget( newRenderTarget ); + + } + + } + + let camera = cameras[ i ]; + + if ( camera === undefined ) { + + camera = new PerspectiveCamera(); + camera.layers.enable( i ); + camera.viewport = new Vector4(); + cameras[ i ] = camera; + + } + + camera.matrix.fromArray( view.transform.matrix ); + camera.projectionMatrix.fromArray( view.projectionMatrix ); + camera.viewport.set( viewport.x, viewport.y, viewport.width, viewport.height ); + + if ( i === 0 ) { + + cameraVR.matrix.copy( camera.matrix ); + + } + + if ( cameraVRNeedsUpdate === true ) { + + cameraVR.cameras.push( camera ); + + } + + } + + } + + // + + for ( let i = 0; i < controllers.length; i ++ ) { + + const inputSource = controllerInputSources[ i ]; + const controller = controllers[ i ]; + + if ( inputSource !== null && controller !== undefined ) { + + controller.update( inputSource, frame, customReferenceSpace || referenceSpace ); + + } + + } + + if ( onAnimationFrameCallback ) onAnimationFrameCallback( time, frame ); + + xrFrame = null; + + } + + const animation = new WebGLAnimation(); + + animation.setAnimationLoop( onAnimationFrame ); + + this.setAnimationLoop = function ( callback ) { + + onAnimationFrameCallback = callback; + + }; + + this.dispose = function () {}; + + } + +} + +function WebGLMaterials( renderer, properties ) { + + function refreshFogUniforms( uniforms, fog ) { + + uniforms.fogColor.value.copy( fog.color ); + + if ( fog.isFog ) { + + uniforms.fogNear.value = fog.near; + uniforms.fogFar.value = fog.far; + + } else if ( fog.isFogExp2 ) { + + uniforms.fogDensity.value = fog.density; + + } + + } + + function refreshMaterialUniforms( uniforms, material, pixelRatio, height, transmissionRenderTarget ) { + + if ( material.isMeshBasicMaterial ) { + + refreshUniformsCommon( uniforms, material ); + + } else if ( material.isMeshLambertMaterial ) { + + refreshUniformsCommon( uniforms, material ); + + } else if ( material.isMeshToonMaterial ) { + + refreshUniformsCommon( uniforms, material ); + refreshUniformsToon( uniforms, material ); + + } else if ( material.isMeshPhongMaterial ) { + + refreshUniformsCommon( uniforms, material ); + refreshUniformsPhong( uniforms, material ); + + } else if ( material.isMeshStandardMaterial ) { + + refreshUniformsCommon( uniforms, material ); + refreshUniformsStandard( uniforms, material ); + + if ( material.isMeshPhysicalMaterial ) { + + refreshUniformsPhysical( uniforms, material, transmissionRenderTarget ); + + } + + } else if ( material.isMeshMatcapMaterial ) { + + refreshUniformsCommon( uniforms, material ); + refreshUniformsMatcap( uniforms, material ); + + } else if ( material.isMeshDepthMaterial ) { + + refreshUniformsCommon( uniforms, material ); + + } else if ( material.isMeshDistanceMaterial ) { + + refreshUniformsCommon( uniforms, material ); + refreshUniformsDistance( uniforms, material ); + + } else if ( material.isMeshNormalMaterial ) { + + refreshUniformsCommon( uniforms, material ); + + } else if ( material.isLineBasicMaterial ) { + + refreshUniformsLine( uniforms, material ); + + if ( material.isLineDashedMaterial ) { + + refreshUniformsDash( uniforms, material ); + + } + + } else if ( material.isPointsMaterial ) { + + refreshUniformsPoints( uniforms, material, pixelRatio, height ); + + } else if ( material.isSpriteMaterial ) { + + refreshUniformsSprites( uniforms, material ); + + } else if ( material.isShadowMaterial ) { + + uniforms.color.value.copy( material.color ); + uniforms.opacity.value = material.opacity; + + } else if ( material.isShaderMaterial ) { + + material.uniformsNeedUpdate = false; // #15581 + + } + + } + + function refreshUniformsCommon( uniforms, material ) { + + uniforms.opacity.value = material.opacity; + + if ( material.color ) { + + uniforms.diffuse.value.copy( material.color ); + + } + + if ( material.emissive ) { + + uniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity ); + + } + + if ( material.map ) { + + uniforms.map.value = material.map; + + } + + if ( material.alphaMap ) { + + uniforms.alphaMap.value = material.alphaMap; + + } + + if ( material.bumpMap ) { + + uniforms.bumpMap.value = material.bumpMap; + uniforms.bumpScale.value = material.bumpScale; + if ( material.side === BackSide ) uniforms.bumpScale.value *= - 1; + + } + + if ( material.displacementMap ) { + + uniforms.displacementMap.value = material.displacementMap; + uniforms.displacementScale.value = material.displacementScale; + uniforms.displacementBias.value = material.displacementBias; + + } + + if ( material.emissiveMap ) { + + uniforms.emissiveMap.value = material.emissiveMap; + + } + + if ( material.normalMap ) { + + uniforms.normalMap.value = material.normalMap; + uniforms.normalScale.value.copy( material.normalScale ); + if ( material.side === BackSide ) uniforms.normalScale.value.negate(); + + } + + if ( material.specularMap ) { + + uniforms.specularMap.value = material.specularMap; + + } + + if ( material.alphaTest > 0 ) { + + uniforms.alphaTest.value = material.alphaTest; + + } + + const envMap = properties.get( material ).envMap; + + if ( envMap ) { + + uniforms.envMap.value = envMap; + + uniforms.flipEnvMap.value = ( envMap.isCubeTexture && envMap.isRenderTargetTexture === false ) ? - 1 : 1; + + uniforms.reflectivity.value = material.reflectivity; + uniforms.ior.value = material.ior; + uniforms.refractionRatio.value = material.refractionRatio; + + } + + if ( material.lightMap ) { + + uniforms.lightMap.value = material.lightMap; + + // artist-friendly light intensity scaling factor + const scaleFactor = ( renderer.physicallyCorrectLights !== true ) ? Math.PI : 1; + + uniforms.lightMapIntensity.value = material.lightMapIntensity * scaleFactor; + + } + + if ( material.aoMap ) { + + uniforms.aoMap.value = material.aoMap; + uniforms.aoMapIntensity.value = material.aoMapIntensity; + + } + + // uv repeat and offset setting priorities + // 1. color map + // 2. specular map + // 3. displacementMap map + // 4. normal map + // 5. bump map + // 6. roughnessMap map + // 7. metalnessMap map + // 8. alphaMap map + // 9. emissiveMap map + // 10. clearcoat map + // 11. clearcoat normal map + // 12. clearcoat roughnessMap map + // 13. iridescence map + // 14. iridescence thickness map + // 15. specular intensity map + // 16. specular tint map + // 17. transmission map + // 18. thickness map + + let uvScaleMap; + + if ( material.map ) { + + uvScaleMap = material.map; + + } else if ( material.specularMap ) { + + uvScaleMap = material.specularMap; + + } else if ( material.displacementMap ) { + + uvScaleMap = material.displacementMap; + + } else if ( material.normalMap ) { + + uvScaleMap = material.normalMap; + + } else if ( material.bumpMap ) { + + uvScaleMap = material.bumpMap; + + } else if ( material.roughnessMap ) { + + uvScaleMap = material.roughnessMap; + + } else if ( material.metalnessMap ) { + + uvScaleMap = material.metalnessMap; + + } else if ( material.alphaMap ) { + + uvScaleMap = material.alphaMap; + + } else if ( material.emissiveMap ) { + + uvScaleMap = material.emissiveMap; + + } else if ( material.clearcoatMap ) { + + uvScaleMap = material.clearcoatMap; + + } else if ( material.clearcoatNormalMap ) { + + uvScaleMap = material.clearcoatNormalMap; + + } else if ( material.clearcoatRoughnessMap ) { + + uvScaleMap = material.clearcoatRoughnessMap; + + } else if ( material.iridescenceMap ) { + + uvScaleMap = material.iridescenceMap; + + } else if ( material.iridescenceThicknessMap ) { + + uvScaleMap = material.iridescenceThicknessMap; + + } else if ( material.specularIntensityMap ) { + + uvScaleMap = material.specularIntensityMap; + + } else if ( material.specularColorMap ) { + + uvScaleMap = material.specularColorMap; + + } else if ( material.transmissionMap ) { + + uvScaleMap = material.transmissionMap; + + } else if ( material.thicknessMap ) { + + uvScaleMap = material.thicknessMap; + + } else if ( material.sheenColorMap ) { + + uvScaleMap = material.sheenColorMap; + + } else if ( material.sheenRoughnessMap ) { + + uvScaleMap = material.sheenRoughnessMap; + + } + + if ( uvScaleMap !== undefined ) { + + // backwards compatibility + if ( uvScaleMap.isWebGLRenderTarget ) { + + uvScaleMap = uvScaleMap.texture; + + } + + if ( uvScaleMap.matrixAutoUpdate === true ) { + + uvScaleMap.updateMatrix(); + + } + + uniforms.uvTransform.value.copy( uvScaleMap.matrix ); + + } + + // uv repeat and offset setting priorities for uv2 + // 1. ao map + // 2. light map + + let uv2ScaleMap; + + if ( material.aoMap ) { + + uv2ScaleMap = material.aoMap; + + } else if ( material.lightMap ) { + + uv2ScaleMap = material.lightMap; + + } + + if ( uv2ScaleMap !== undefined ) { + + // backwards compatibility + if ( uv2ScaleMap.isWebGLRenderTarget ) { + + uv2ScaleMap = uv2ScaleMap.texture; + + } + + if ( uv2ScaleMap.matrixAutoUpdate === true ) { + + uv2ScaleMap.updateMatrix(); + + } + + uniforms.uv2Transform.value.copy( uv2ScaleMap.matrix ); + + } + + } + + function refreshUniformsLine( uniforms, material ) { + + uniforms.diffuse.value.copy( material.color ); + uniforms.opacity.value = material.opacity; + + } + + function refreshUniformsDash( uniforms, material ) { + + uniforms.dashSize.value = material.dashSize; + uniforms.totalSize.value = material.dashSize + material.gapSize; + uniforms.scale.value = material.scale; + + } + + function refreshUniformsPoints( uniforms, material, pixelRatio, height ) { + + uniforms.diffuse.value.copy( material.color ); + uniforms.opacity.value = material.opacity; + uniforms.size.value = material.size * pixelRatio; + uniforms.scale.value = height * 0.5; + + if ( material.map ) { + + uniforms.map.value = material.map; + + } + + if ( material.alphaMap ) { + + uniforms.alphaMap.value = material.alphaMap; + + } + + if ( material.alphaTest > 0 ) { + + uniforms.alphaTest.value = material.alphaTest; + + } + + // uv repeat and offset setting priorities + // 1. color map + // 2. alpha map + + let uvScaleMap; + + if ( material.map ) { + + uvScaleMap = material.map; + + } else if ( material.alphaMap ) { + + uvScaleMap = material.alphaMap; + + } + + if ( uvScaleMap !== undefined ) { + + if ( uvScaleMap.matrixAutoUpdate === true ) { + + uvScaleMap.updateMatrix(); + + } + + uniforms.uvTransform.value.copy( uvScaleMap.matrix ); + + } + + } + + function refreshUniformsSprites( uniforms, material ) { + + uniforms.diffuse.value.copy( material.color ); + uniforms.opacity.value = material.opacity; + uniforms.rotation.value = material.rotation; + + if ( material.map ) { + + uniforms.map.value = material.map; + + } + + if ( material.alphaMap ) { + + uniforms.alphaMap.value = material.alphaMap; + + } + + if ( material.alphaTest > 0 ) { + + uniforms.alphaTest.value = material.alphaTest; + + } + + // uv repeat and offset setting priorities + // 1. color map + // 2. alpha map + + let uvScaleMap; + + if ( material.map ) { + + uvScaleMap = material.map; + + } else if ( material.alphaMap ) { + + uvScaleMap = material.alphaMap; + + } + + if ( uvScaleMap !== undefined ) { + + if ( uvScaleMap.matrixAutoUpdate === true ) { + + uvScaleMap.updateMatrix(); + + } + + uniforms.uvTransform.value.copy( uvScaleMap.matrix ); + + } + + } + + function refreshUniformsPhong( uniforms, material ) { + + uniforms.specular.value.copy( material.specular ); + uniforms.shininess.value = Math.max( material.shininess, 1e-4 ); // to prevent pow( 0.0, 0.0 ) + + } + + function refreshUniformsToon( uniforms, material ) { + + if ( material.gradientMap ) { + + uniforms.gradientMap.value = material.gradientMap; + + } + + } + + function refreshUniformsStandard( uniforms, material ) { + + uniforms.roughness.value = material.roughness; + uniforms.metalness.value = material.metalness; + + if ( material.roughnessMap ) { + + uniforms.roughnessMap.value = material.roughnessMap; + + } + + if ( material.metalnessMap ) { + + uniforms.metalnessMap.value = material.metalnessMap; + + } + + const envMap = properties.get( material ).envMap; + + if ( envMap ) { + + //uniforms.envMap.value = material.envMap; // part of uniforms common + uniforms.envMapIntensity.value = material.envMapIntensity; + + } + + } + + function refreshUniformsPhysical( uniforms, material, transmissionRenderTarget ) { + + uniforms.ior.value = material.ior; // also part of uniforms common + + if ( material.sheen > 0 ) { + + uniforms.sheenColor.value.copy( material.sheenColor ).multiplyScalar( material.sheen ); + + uniforms.sheenRoughness.value = material.sheenRoughness; + + if ( material.sheenColorMap ) { + + uniforms.sheenColorMap.value = material.sheenColorMap; + + } + + if ( material.sheenRoughnessMap ) { + + uniforms.sheenRoughnessMap.value = material.sheenRoughnessMap; + + } + + } + + if ( material.clearcoat > 0 ) { + + uniforms.clearcoat.value = material.clearcoat; + uniforms.clearcoatRoughness.value = material.clearcoatRoughness; + + if ( material.clearcoatMap ) { + + uniforms.clearcoatMap.value = material.clearcoatMap; + + } + + if ( material.clearcoatRoughnessMap ) { + + uniforms.clearcoatRoughnessMap.value = material.clearcoatRoughnessMap; + + } + + if ( material.clearcoatNormalMap ) { + + uniforms.clearcoatNormalScale.value.copy( material.clearcoatNormalScale ); + uniforms.clearcoatNormalMap.value = material.clearcoatNormalMap; + + if ( material.side === BackSide ) { + + uniforms.clearcoatNormalScale.value.negate(); + + } + + } + + } + + if ( material.iridescence > 0 ) { + + uniforms.iridescence.value = material.iridescence; + uniforms.iridescenceIOR.value = material.iridescenceIOR; + uniforms.iridescenceThicknessMinimum.value = material.iridescenceThicknessRange[ 0 ]; + uniforms.iridescenceThicknessMaximum.value = material.iridescenceThicknessRange[ 1 ]; + + if ( material.iridescenceMap ) { + + uniforms.iridescenceMap.value = material.iridescenceMap; + + } + + if ( material.iridescenceThicknessMap ) { + + uniforms.iridescenceThicknessMap.value = material.iridescenceThicknessMap; + + } + + } + + if ( material.transmission > 0 ) { + + uniforms.transmission.value = material.transmission; + uniforms.transmissionSamplerMap.value = transmissionRenderTarget.texture; + uniforms.transmissionSamplerSize.value.set( transmissionRenderTarget.width, transmissionRenderTarget.height ); + + if ( material.transmissionMap ) { + + uniforms.transmissionMap.value = material.transmissionMap; + + } + + uniforms.thickness.value = material.thickness; + + if ( material.thicknessMap ) { + + uniforms.thicknessMap.value = material.thicknessMap; + + } + + uniforms.attenuationDistance.value = material.attenuationDistance; + uniforms.attenuationColor.value.copy( material.attenuationColor ); + + } + + uniforms.specularIntensity.value = material.specularIntensity; + uniforms.specularColor.value.copy( material.specularColor ); + + if ( material.specularIntensityMap ) { + + uniforms.specularIntensityMap.value = material.specularIntensityMap; + + } + + if ( material.specularColorMap ) { + + uniforms.specularColorMap.value = material.specularColorMap; + + } + + } + + function refreshUniformsMatcap( uniforms, material ) { + + if ( material.matcap ) { + + uniforms.matcap.value = material.matcap; + + } + + } + + function refreshUniformsDistance( uniforms, material ) { + + uniforms.referencePosition.value.copy( material.referencePosition ); + uniforms.nearDistance.value = material.nearDistance; + uniforms.farDistance.value = material.farDistance; + + } + + return { + refreshFogUniforms: refreshFogUniforms, + refreshMaterialUniforms: refreshMaterialUniforms + }; + +} + +function createCanvasElement() { + + const canvas = createElementNS( 'canvas' ); + canvas.style.display = 'block'; + return canvas; + +} + +function WebGLRenderer( parameters = {} ) { + + this.isWebGLRenderer = true; + + const _canvas = parameters.canvas !== undefined ? parameters.canvas : createCanvasElement(), + _context = parameters.context !== undefined ? parameters.context : null, + + _depth = parameters.depth !== undefined ? parameters.depth : true, + _stencil = parameters.stencil !== undefined ? parameters.stencil : true, + _antialias = parameters.antialias !== undefined ? parameters.antialias : false, + _premultipliedAlpha = parameters.premultipliedAlpha !== undefined ? parameters.premultipliedAlpha : true, + _preserveDrawingBuffer = parameters.preserveDrawingBuffer !== undefined ? parameters.preserveDrawingBuffer : false, + _powerPreference = parameters.powerPreference !== undefined ? parameters.powerPreference : 'default', + _failIfMajorPerformanceCaveat = parameters.failIfMajorPerformanceCaveat !== undefined ? parameters.failIfMajorPerformanceCaveat : false; + + let _alpha; + + if ( _context !== null ) { + + _alpha = _context.getContextAttributes().alpha; + + } else { + + _alpha = parameters.alpha !== undefined ? parameters.alpha : false; + + } + + let currentRenderList = null; + let currentRenderState = null; + + // render() can be called from within a callback triggered by another render. + // We track this so that the nested render call gets its list and state isolated from the parent render call. + + const renderListStack = []; + const renderStateStack = []; + + // public properties + + this.domElement = _canvas; + + // Debug configuration container + this.debug = { + + /** + * Enables error checking and reporting when shader programs are being compiled + * @type {boolean} + */ + checkShaderErrors: true + }; + + // clearing + + this.autoClear = true; + this.autoClearColor = true; + this.autoClearDepth = true; + this.autoClearStencil = true; + + // scene graph + + this.sortObjects = true; + + // user-defined clipping + + this.clippingPlanes = []; + this.localClippingEnabled = false; + + // physically based shading + + this.outputEncoding = LinearEncoding; + + // physical lights + + this.physicallyCorrectLights = false; + + // tone mapping + + this.toneMapping = NoToneMapping; + this.toneMappingExposure = 1.0; + + // + + Object.defineProperties( this, { + + // @deprecated since r136, 0e21088102b4de7e0a0a33140620b7a3424b9e6d + + gammaFactor: { + get: function () { + + console.warn( 'THREE.WebGLRenderer: .gammaFactor has been removed.' ); + return 2; + + }, + set: function () { + + console.warn( 'THREE.WebGLRenderer: .gammaFactor has been removed.' ); + + } + } + + } ); + + // internal properties + + const _this = this; + + let _isContextLost = false; + + // internal state cache + + let _currentActiveCubeFace = 0; + let _currentActiveMipmapLevel = 0; + let _currentRenderTarget = null; + let _currentMaterialId = - 1; + + let _currentCamera = null; + + const _currentViewport = new Vector4(); + const _currentScissor = new Vector4(); + let _currentScissorTest = null; + + // + + let _width = _canvas.width; + let _height = _canvas.height; + + let _pixelRatio = 1; + let _opaqueSort = null; + let _transparentSort = null; + + const _viewport = new Vector4( 0, 0, _width, _height ); + const _scissor = new Vector4( 0, 0, _width, _height ); + let _scissorTest = false; + + // frustum + + const _frustum = new Frustum(); + + // clipping + + let _clippingEnabled = false; + let _localClippingEnabled = false; + + // transmission + + let _transmissionRenderTarget = null; + + // camera matrices cache + + const _projScreenMatrix = new Matrix4(); + + const _vector2 = new Vector2(); + const _vector3 = new Vector3(); + + const _emptyScene = { background: null, fog: null, environment: null, overrideMaterial: null, isScene: true }; + + function getTargetPixelRatio() { + + return _currentRenderTarget === null ? _pixelRatio : 1; + + } + + // initialize + + let _gl = _context; + + function getContext( contextNames, contextAttributes ) { + + for ( let i = 0; i < contextNames.length; i ++ ) { + + const contextName = contextNames[ i ]; + const context = _canvas.getContext( contextName, contextAttributes ); + if ( context !== null ) return context; + + } + + return null; + + } + + try { + + const contextAttributes = { + alpha: true, + depth: _depth, + stencil: _stencil, + antialias: _antialias, + premultipliedAlpha: _premultipliedAlpha, + preserveDrawingBuffer: _preserveDrawingBuffer, + powerPreference: _powerPreference, + failIfMajorPerformanceCaveat: _failIfMajorPerformanceCaveat + }; + + // OffscreenCanvas does not have setAttribute, see #22811 + if ( 'setAttribute' in _canvas ) _canvas.setAttribute( 'data-engine', `three.js r${REVISION}` ); + + // event listeners must be registered before WebGL context is created, see #12753 + _canvas.addEventListener( 'webglcontextlost', onContextLost, false ); + _canvas.addEventListener( 'webglcontextrestored', onContextRestore, false ); + _canvas.addEventListener( 'webglcontextcreationerror', onContextCreationError, false ); + + if ( _gl === null ) { + + const contextNames = [ 'webgl2', 'webgl', 'experimental-webgl' ]; + + if ( _this.isWebGL1Renderer === true ) { + + contextNames.shift(); + + } + + _gl = getContext( contextNames, contextAttributes ); + + if ( _gl === null ) { + + if ( getContext( contextNames ) ) { + + throw new Error( 'Error creating WebGL context with your selected attributes.' ); + + } else { + + throw new Error( 'Error creating WebGL context.' ); + + } + + } + + } + + // Some experimental-webgl implementations do not have getShaderPrecisionFormat + + if ( _gl.getShaderPrecisionFormat === undefined ) { + + _gl.getShaderPrecisionFormat = function () { + + return { 'rangeMin': 1, 'rangeMax': 1, 'precision': 1 }; + + }; + + } + + } catch ( error ) { + + console.error( 'THREE.WebGLRenderer: ' + error.message ); + throw error; + + } + + let extensions, capabilities, state, info; + let properties, textures, cubemaps, cubeuvmaps, attributes, geometries, objects; + let programCache, materials, renderLists, renderStates, clipping, shadowMap; + + let background, morphtargets, bufferRenderer, indexedBufferRenderer; + + let utils, bindingStates; + + function initGLContext() { + + extensions = new WebGLExtensions( _gl ); + + capabilities = new WebGLCapabilities( _gl, extensions, parameters ); + + extensions.init( capabilities ); + + utils = new WebGLUtils( _gl, extensions, capabilities ); + + state = new WebGLState( _gl, extensions, capabilities ); + + info = new WebGLInfo(); + properties = new WebGLProperties(); + textures = new WebGLTextures( _gl, extensions, state, properties, capabilities, utils, info ); + cubemaps = new WebGLCubeMaps( _this ); + cubeuvmaps = new WebGLCubeUVMaps( _this ); + attributes = new WebGLAttributes( _gl, capabilities ); + bindingStates = new WebGLBindingStates( _gl, extensions, attributes, capabilities ); + geometries = new WebGLGeometries( _gl, attributes, info, bindingStates ); + objects = new WebGLObjects( _gl, geometries, attributes, info ); + morphtargets = new WebGLMorphtargets( _gl, capabilities, textures ); + clipping = new WebGLClipping( properties ); + programCache = new WebGLPrograms( _this, cubemaps, cubeuvmaps, extensions, capabilities, bindingStates, clipping ); + materials = new WebGLMaterials( _this, properties ); + renderLists = new WebGLRenderLists(); + renderStates = new WebGLRenderStates( extensions, capabilities ); + background = new WebGLBackground( _this, cubemaps, state, objects, _alpha, _premultipliedAlpha ); + shadowMap = new WebGLShadowMap( _this, objects, capabilities ); + + bufferRenderer = new WebGLBufferRenderer( _gl, extensions, info, capabilities ); + indexedBufferRenderer = new WebGLIndexedBufferRenderer( _gl, extensions, info, capabilities ); + + info.programs = programCache.programs; + + _this.capabilities = capabilities; + _this.extensions = extensions; + _this.properties = properties; + _this.renderLists = renderLists; + _this.shadowMap = shadowMap; + _this.state = state; + _this.info = info; + + } + + initGLContext(); + + // xr + + const xr = new WebXRManager( _this, _gl ); + + this.xr = xr; + + // API + + this.getContext = function () { + + return _gl; + + }; + + this.getContextAttributes = function () { + + return _gl.getContextAttributes(); + + }; + + this.forceContextLoss = function () { + + const extension = extensions.get( 'WEBGL_lose_context' ); + if ( extension ) extension.loseContext(); + + }; + + this.forceContextRestore = function () { + + const extension = extensions.get( 'WEBGL_lose_context' ); + if ( extension ) extension.restoreContext(); + + }; + + this.getPixelRatio = function () { + + return _pixelRatio; + + }; + + this.setPixelRatio = function ( value ) { + + if ( value === undefined ) return; + + _pixelRatio = value; + + this.setSize( _width, _height, false ); + + }; + + this.getSize = function ( target ) { + + return target.set( _width, _height ); + + }; + + this.setSize = function ( width, height, updateStyle ) { + + if ( xr.isPresenting ) { + + console.warn( 'THREE.WebGLRenderer: Can\'t change size while VR device is presenting.' ); + return; + + } + + _width = width; + _height = height; + + _canvas.width = Math.floor( width * _pixelRatio ); + _canvas.height = Math.floor( height * _pixelRatio ); + + if ( updateStyle !== false ) { + + _canvas.style.width = width + 'px'; + _canvas.style.height = height + 'px'; + + } + + this.setViewport( 0, 0, width, height ); + + }; + + this.getDrawingBufferSize = function ( target ) { + + return target.set( _width * _pixelRatio, _height * _pixelRatio ).floor(); + + }; + + this.setDrawingBufferSize = function ( width, height, pixelRatio ) { + + _width = width; + _height = height; + + _pixelRatio = pixelRatio; + + _canvas.width = Math.floor( width * pixelRatio ); + _canvas.height = Math.floor( height * pixelRatio ); + + this.setViewport( 0, 0, width, height ); + + }; + + this.getCurrentViewport = function ( target ) { + + return target.copy( _currentViewport ); + + }; + + this.getViewport = function ( target ) { + + return target.copy( _viewport ); + + }; + + this.setViewport = function ( x, y, width, height ) { + + if ( x.isVector4 ) { + + _viewport.set( x.x, x.y, x.z, x.w ); + + } else { + + _viewport.set( x, y, width, height ); + + } + + state.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ).floor() ); + + }; + + this.getScissor = function ( target ) { + + return target.copy( _scissor ); + + }; + + this.setScissor = function ( x, y, width, height ) { + + if ( x.isVector4 ) { + + _scissor.set( x.x, x.y, x.z, x.w ); + + } else { + + _scissor.set( x, y, width, height ); + + } + + state.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ).floor() ); + + }; + + this.getScissorTest = function () { + + return _scissorTest; + + }; + + this.setScissorTest = function ( boolean ) { + + state.setScissorTest( _scissorTest = boolean ); + + }; + + this.setOpaqueSort = function ( method ) { + + _opaqueSort = method; + + }; + + this.setTransparentSort = function ( method ) { + + _transparentSort = method; + + }; + + // Clearing + + this.getClearColor = function ( target ) { + + return target.copy( background.getClearColor() ); + + }; + + this.setClearColor = function () { + + background.setClearColor.apply( background, arguments ); + + }; + + this.getClearAlpha = function () { + + return background.getClearAlpha(); + + }; + + this.setClearAlpha = function () { + + background.setClearAlpha.apply( background, arguments ); + + }; + + this.clear = function ( color = true, depth = true, stencil = true ) { + + let bits = 0; + + if ( color ) bits |= 16384; + if ( depth ) bits |= 256; + if ( stencil ) bits |= 1024; + + _gl.clear( bits ); + + }; + + this.clearColor = function () { + + this.clear( true, false, false ); + + }; + + this.clearDepth = function () { + + this.clear( false, true, false ); + + }; + + this.clearStencil = function () { + + this.clear( false, false, true ); + + }; + + // + + this.dispose = function () { + + _canvas.removeEventListener( 'webglcontextlost', onContextLost, false ); + _canvas.removeEventListener( 'webglcontextrestored', onContextRestore, false ); + _canvas.removeEventListener( 'webglcontextcreationerror', onContextCreationError, false ); + + renderLists.dispose(); + renderStates.dispose(); + properties.dispose(); + cubemaps.dispose(); + cubeuvmaps.dispose(); + objects.dispose(); + bindingStates.dispose(); + programCache.dispose(); + + xr.dispose(); + + xr.removeEventListener( 'sessionstart', onXRSessionStart ); + xr.removeEventListener( 'sessionend', onXRSessionEnd ); + + if ( _transmissionRenderTarget ) { + + _transmissionRenderTarget.dispose(); + _transmissionRenderTarget = null; + + } + + animation.stop(); + + }; + + // Events + + function onContextLost( event ) { + + event.preventDefault(); + + console.log( 'THREE.WebGLRenderer: Context Lost.' ); + + _isContextLost = true; + + } + + function onContextRestore( /* event */ ) { + + console.log( 'THREE.WebGLRenderer: Context Restored.' ); + + _isContextLost = false; + + const infoAutoReset = info.autoReset; + const shadowMapEnabled = shadowMap.enabled; + const shadowMapAutoUpdate = shadowMap.autoUpdate; + const shadowMapNeedsUpdate = shadowMap.needsUpdate; + const shadowMapType = shadowMap.type; + + initGLContext(); + + info.autoReset = infoAutoReset; + shadowMap.enabled = shadowMapEnabled; + shadowMap.autoUpdate = shadowMapAutoUpdate; + shadowMap.needsUpdate = shadowMapNeedsUpdate; + shadowMap.type = shadowMapType; + + } + + function onContextCreationError( event ) { + + console.error( 'THREE.WebGLRenderer: A WebGL context could not be created. Reason: ', event.statusMessage ); + + } + + function onMaterialDispose( event ) { + + const material = event.target; + + material.removeEventListener( 'dispose', onMaterialDispose ); + + deallocateMaterial( material ); + + } + + // Buffer deallocation + + function deallocateMaterial( material ) { + + releaseMaterialProgramReferences( material ); + + properties.remove( material ); + + } + + + function releaseMaterialProgramReferences( material ) { + + const programs = properties.get( material ).programs; + + if ( programs !== undefined ) { + + programs.forEach( function ( program ) { + + programCache.releaseProgram( program ); + + } ); + + if ( material.isShaderMaterial ) { + + programCache.releaseShaderCache( material ); + + } + + } + + } + + // Buffer rendering + + this.renderBufferDirect = function ( camera, scene, geometry, material, object, group ) { + + if ( scene === null ) scene = _emptyScene; // renderBufferDirect second parameter used to be fog (could be null) + + const frontFaceCW = ( object.isMesh && object.matrixWorld.determinant() < 0 ); + + const program = setProgram( camera, scene, geometry, material, object ); + + state.setMaterial( material, frontFaceCW ); + + // + + let index = geometry.index; + const position = geometry.attributes.position; + + // + + if ( index === null ) { + + if ( position === undefined || position.count === 0 ) return; + + } else if ( index.count === 0 ) { + + return; + + } + + // + + let rangeFactor = 1; + + if ( material.wireframe === true ) { + + index = geometries.getWireframeAttribute( geometry ); + rangeFactor = 2; + + } + + bindingStates.setup( object, material, program, geometry, index ); + + let attribute; + let renderer = bufferRenderer; + + if ( index !== null ) { + + attribute = attributes.get( index ); + + renderer = indexedBufferRenderer; + renderer.setIndex( attribute ); + + } + + // + + const dataCount = ( index !== null ) ? index.count : position.count; + + const rangeStart = geometry.drawRange.start * rangeFactor; + const rangeCount = geometry.drawRange.count * rangeFactor; + + const groupStart = group !== null ? group.start * rangeFactor : 0; + const groupCount = group !== null ? group.count * rangeFactor : Infinity; + + const drawStart = Math.max( rangeStart, groupStart ); + const drawEnd = Math.min( dataCount, rangeStart + rangeCount, groupStart + groupCount ) - 1; + + const drawCount = Math.max( 0, drawEnd - drawStart + 1 ); + + if ( drawCount === 0 ) return; + + // + + if ( object.isMesh ) { + + if ( material.wireframe === true ) { + + state.setLineWidth( material.wireframeLinewidth * getTargetPixelRatio() ); + renderer.setMode( 1 ); + + } else { + + renderer.setMode( 4 ); + + } + + } else if ( object.isLine ) { + + let lineWidth = material.linewidth; + + if ( lineWidth === undefined ) lineWidth = 1; // Not using Line*Material + + state.setLineWidth( lineWidth * getTargetPixelRatio() ); + + if ( object.isLineSegments ) { + + renderer.setMode( 1 ); + + } else if ( object.isLineLoop ) { + + renderer.setMode( 2 ); + + } else { + + renderer.setMode( 3 ); + + } + + } else if ( object.isPoints ) { + + renderer.setMode( 0 ); + + } else if ( object.isSprite ) { + + renderer.setMode( 4 ); + + } + + if ( object.isInstancedMesh ) { + + renderer.renderInstances( drawStart, drawCount, object.count ); + + } else if ( geometry.isInstancedBufferGeometry ) { + + const instanceCount = Math.min( geometry.instanceCount, geometry._maxInstanceCount ); + + renderer.renderInstances( drawStart, drawCount, instanceCount ); + + } else { + + renderer.render( drawStart, drawCount ); + + } + + }; + + // Compile + + this.compile = function ( scene, camera ) { + + currentRenderState = renderStates.get( scene ); + currentRenderState.init(); + + renderStateStack.push( currentRenderState ); + + scene.traverseVisible( function ( object ) { + + if ( object.isLight && object.layers.test( camera.layers ) ) { + + currentRenderState.pushLight( object ); + + if ( object.castShadow ) { + + currentRenderState.pushShadow( object ); + + } + + } + + } ); + + currentRenderState.setupLights( _this.physicallyCorrectLights ); + + scene.traverse( function ( object ) { + + const material = object.material; + + if ( material ) { + + if ( Array.isArray( material ) ) { + + for ( let i = 0; i < material.length; i ++ ) { + + const material2 = material[ i ]; + + getProgram( material2, scene, object ); + + } + + } else { + + getProgram( material, scene, object ); + + } + + } + + } ); + + renderStateStack.pop(); + currentRenderState = null; + + }; + + // Animation Loop + + let onAnimationFrameCallback = null; + + function onAnimationFrame( time ) { + + if ( onAnimationFrameCallback ) onAnimationFrameCallback( time ); + + } + + function onXRSessionStart() { + + animation.stop(); + + } + + function onXRSessionEnd() { + + animation.start(); + + } + + const animation = new WebGLAnimation(); + animation.setAnimationLoop( onAnimationFrame ); + + if ( typeof self !== 'undefined' ) animation.setContext( self ); + + this.setAnimationLoop = function ( callback ) { + + onAnimationFrameCallback = callback; + xr.setAnimationLoop( callback ); + + ( callback === null ) ? animation.stop() : animation.start(); + + }; + + xr.addEventListener( 'sessionstart', onXRSessionStart ); + xr.addEventListener( 'sessionend', onXRSessionEnd ); + + // Rendering + + this.render = function ( scene, camera ) { + + if ( camera !== undefined && camera.isCamera !== true ) { + + console.error( 'THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.' ); + return; + + } + + if ( _isContextLost === true ) return; + + // update scene graph + + if ( scene.autoUpdate === true ) scene.updateMatrixWorld(); + + // update camera matrices and frustum + + if ( camera.parent === null ) camera.updateMatrixWorld(); + + if ( xr.enabled === true && xr.isPresenting === true ) { + + if ( xr.cameraAutoUpdate === true ) xr.updateCamera( camera ); + + camera = xr.getCamera(); // use XR camera for rendering + + } + + // + if ( scene.isScene === true ) scene.onBeforeRender( _this, scene, camera, _currentRenderTarget ); + + currentRenderState = renderStates.get( scene, renderStateStack.length ); + currentRenderState.init(); + + renderStateStack.push( currentRenderState ); + + _projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse ); + _frustum.setFromProjectionMatrix( _projScreenMatrix ); + + _localClippingEnabled = this.localClippingEnabled; + _clippingEnabled = clipping.init( this.clippingPlanes, _localClippingEnabled, camera ); + + currentRenderList = renderLists.get( scene, renderListStack.length ); + currentRenderList.init(); + + renderListStack.push( currentRenderList ); + + projectObject( scene, camera, 0, _this.sortObjects ); + + currentRenderList.finish(); + + if ( _this.sortObjects === true ) { + + currentRenderList.sort( _opaqueSort, _transparentSort ); + + } + + // + + if ( _clippingEnabled === true ) clipping.beginShadows(); + + const shadowsArray = currentRenderState.state.shadowsArray; + + shadowMap.render( shadowsArray, scene, camera ); + + if ( _clippingEnabled === true ) clipping.endShadows(); + + // + + if ( this.info.autoReset === true ) this.info.reset(); + + // + + background.render( currentRenderList, scene ); + + // render scene + + currentRenderState.setupLights( _this.physicallyCorrectLights ); + + if ( camera.isArrayCamera ) { + + const cameras = camera.cameras; + + for ( let i = 0, l = cameras.length; i < l; i ++ ) { + + const camera2 = cameras[ i ]; + + renderScene( currentRenderList, scene, camera2, camera2.viewport ); + + } + + } else { + + renderScene( currentRenderList, scene, camera ); + + } + + // + + if ( _currentRenderTarget !== null ) { + + // resolve multisample renderbuffers to a single-sample texture if necessary + + textures.updateMultisampleRenderTarget( _currentRenderTarget ); + + // Generate mipmap if we're using any kind of mipmap filtering + + textures.updateRenderTargetMipmap( _currentRenderTarget ); + + } + + // + + if ( scene.isScene === true ) scene.onAfterRender( _this, scene, camera ); + + // _gl.finish(); + + bindingStates.resetDefaultState(); + _currentMaterialId = - 1; + _currentCamera = null; + + renderStateStack.pop(); + + if ( renderStateStack.length > 0 ) { + + currentRenderState = renderStateStack[ renderStateStack.length - 1 ]; + + } else { + + currentRenderState = null; + + } + + renderListStack.pop(); + + if ( renderListStack.length > 0 ) { + + currentRenderList = renderListStack[ renderListStack.length - 1 ]; + + } else { + + currentRenderList = null; + + } + + }; + + function projectObject( object, camera, groupOrder, sortObjects ) { + + if ( object.visible === false ) return; + + const visible = object.layers.test( camera.layers ); + + if ( visible ) { + + if ( object.isGroup ) { + + groupOrder = object.renderOrder; + + } else if ( object.isLOD ) { + + if ( object.autoUpdate === true ) object.update( camera ); + + } else if ( object.isLight ) { + + currentRenderState.pushLight( object ); + + if ( object.castShadow ) { + + currentRenderState.pushShadow( object ); + + } + + } else if ( object.isSprite ) { + + if ( ! object.frustumCulled || _frustum.intersectsSprite( object ) ) { + + if ( sortObjects ) { + + _vector3.setFromMatrixPosition( object.matrixWorld ) + .applyMatrix4( _projScreenMatrix ); + + } + + const geometry = objects.update( object ); + const material = object.material; + + if ( material.visible ) { + + currentRenderList.push( object, geometry, material, groupOrder, _vector3.z, null ); + + } + + } + + } else if ( object.isMesh || object.isLine || object.isPoints ) { + + if ( object.isSkinnedMesh ) { + + // update skeleton only once in a frame + + if ( object.skeleton.frame !== info.render.frame ) { + + object.skeleton.update(); + object.skeleton.frame = info.render.frame; + + } + + } + + if ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) { + + if ( sortObjects ) { + + _vector3.setFromMatrixPosition( object.matrixWorld ) + .applyMatrix4( _projScreenMatrix ); + + } + + const geometry = objects.update( object ); + const material = object.material; + + if ( Array.isArray( material ) ) { + + const groups = geometry.groups; + + for ( let i = 0, l = groups.length; i < l; i ++ ) { + + const group = groups[ i ]; + const groupMaterial = material[ group.materialIndex ]; + + if ( groupMaterial && groupMaterial.visible ) { + + currentRenderList.push( object, geometry, groupMaterial, groupOrder, _vector3.z, group ); + + } + + } + + } else if ( material.visible ) { + + currentRenderList.push( object, geometry, material, groupOrder, _vector3.z, null ); + + } + + } + + } + + } + + const children = object.children; + + for ( let i = 0, l = children.length; i < l; i ++ ) { + + projectObject( children[ i ], camera, groupOrder, sortObjects ); + + } + + } + + function renderScene( currentRenderList, scene, camera, viewport ) { + + const opaqueObjects = currentRenderList.opaque; + const transmissiveObjects = currentRenderList.transmissive; + const transparentObjects = currentRenderList.transparent; + + currentRenderState.setupLightsView( camera ); + + if ( transmissiveObjects.length > 0 ) renderTransmissionPass( opaqueObjects, scene, camera ); + + if ( viewport ) state.viewport( _currentViewport.copy( viewport ) ); + + if ( opaqueObjects.length > 0 ) renderObjects( opaqueObjects, scene, camera ); + if ( transmissiveObjects.length > 0 ) renderObjects( transmissiveObjects, scene, camera ); + if ( transparentObjects.length > 0 ) renderObjects( transparentObjects, scene, camera ); + + // Ensure depth buffer writing is enabled so it can be cleared on next render + + state.buffers.depth.setTest( true ); + state.buffers.depth.setMask( true ); + state.buffers.color.setMask( true ); + + state.setPolygonOffset( false ); + + } + + function renderTransmissionPass( opaqueObjects, scene, camera ) { + + const isWebGL2 = capabilities.isWebGL2; + + if ( _transmissionRenderTarget === null ) { + + _transmissionRenderTarget = new WebGLRenderTarget( 1, 1, { + generateMipmaps: true, + type: extensions.has( 'EXT_color_buffer_half_float' ) ? HalfFloatType : UnsignedByteType, + minFilter: LinearMipmapLinearFilter, + samples: ( isWebGL2 && _antialias === true ) ? 4 : 0 + } ); + + } + + _this.getDrawingBufferSize( _vector2 ); + + if ( isWebGL2 ) { + + _transmissionRenderTarget.setSize( _vector2.x, _vector2.y ); + + } else { + + _transmissionRenderTarget.setSize( floorPowerOfTwo( _vector2.x ), floorPowerOfTwo( _vector2.y ) ); + + } + + // + + const currentRenderTarget = _this.getRenderTarget(); + _this.setRenderTarget( _transmissionRenderTarget ); + _this.clear(); + + // Turn off the features which can affect the frag color for opaque objects pass. + // Otherwise they are applied twice in opaque objects pass and transmission objects pass. + const currentToneMapping = _this.toneMapping; + _this.toneMapping = NoToneMapping; + + renderObjects( opaqueObjects, scene, camera ); + + _this.toneMapping = currentToneMapping; + + textures.updateMultisampleRenderTarget( _transmissionRenderTarget ); + textures.updateRenderTargetMipmap( _transmissionRenderTarget ); + + _this.setRenderTarget( currentRenderTarget ); + + } + + function renderObjects( renderList, scene, camera ) { + + const overrideMaterial = scene.isScene === true ? scene.overrideMaterial : null; + + for ( let i = 0, l = renderList.length; i < l; i ++ ) { + + const renderItem = renderList[ i ]; + + const object = renderItem.object; + const geometry = renderItem.geometry; + const material = overrideMaterial === null ? renderItem.material : overrideMaterial; + const group = renderItem.group; + + if ( object.layers.test( camera.layers ) ) { + + renderObject( object, scene, camera, geometry, material, group ); + + } + + } + + } + + function renderObject( object, scene, camera, geometry, material, group ) { + + object.onBeforeRender( _this, scene, camera, geometry, material, group ); + + object.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld ); + object.normalMatrix.getNormalMatrix( object.modelViewMatrix ); + + material.onBeforeRender( _this, scene, camera, geometry, object, group ); + + if ( material.transparent === true && material.side === DoubleSide ) { + + material.side = BackSide; + material.needsUpdate = true; + _this.renderBufferDirect( camera, scene, geometry, material, object, group ); + + material.side = FrontSide; + material.needsUpdate = true; + _this.renderBufferDirect( camera, scene, geometry, material, object, group ); + + material.side = DoubleSide; + + } else { + + _this.renderBufferDirect( camera, scene, geometry, material, object, group ); + + } + + object.onAfterRender( _this, scene, camera, geometry, material, group ); + + } + + function getProgram( material, scene, object ) { + + if ( scene.isScene !== true ) scene = _emptyScene; // scene could be a Mesh, Line, Points, ... + + const materialProperties = properties.get( material ); + + const lights = currentRenderState.state.lights; + const shadowsArray = currentRenderState.state.shadowsArray; + + const lightsStateVersion = lights.state.version; + + const parameters = programCache.getParameters( material, lights.state, shadowsArray, scene, object ); + const programCacheKey = programCache.getProgramCacheKey( parameters ); + + let programs = materialProperties.programs; + + // always update environment and fog - changing these trigger an getProgram call, but it's possible that the program doesn't change + + materialProperties.environment = material.isMeshStandardMaterial ? scene.environment : null; + materialProperties.fog = scene.fog; + materialProperties.envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || materialProperties.environment ); + + if ( programs === undefined ) { + + // new material + + material.addEventListener( 'dispose', onMaterialDispose ); + + programs = new Map(); + materialProperties.programs = programs; + + } + + let program = programs.get( programCacheKey ); + + if ( program !== undefined ) { + + // early out if program and light state is identical + + if ( materialProperties.currentProgram === program && materialProperties.lightsStateVersion === lightsStateVersion ) { + + updateCommonMaterialProperties( material, parameters ); + + return program; + + } + + } else { + + parameters.uniforms = programCache.getUniforms( material ); + + material.onBuild( object, parameters, _this ); + + material.onBeforeCompile( parameters, _this ); + + program = programCache.acquireProgram( parameters, programCacheKey ); + programs.set( programCacheKey, program ); + + materialProperties.uniforms = parameters.uniforms; + + } + + const uniforms = materialProperties.uniforms; + + if ( ( ! material.isShaderMaterial && ! material.isRawShaderMaterial ) || material.clipping === true ) { + + uniforms.clippingPlanes = clipping.uniform; + + } + + updateCommonMaterialProperties( material, parameters ); + + // store the light setup it was created for + + materialProperties.needsLights = materialNeedsLights( material ); + materialProperties.lightsStateVersion = lightsStateVersion; + + if ( materialProperties.needsLights ) { + + // wire up the material to this renderer's lighting state + + uniforms.ambientLightColor.value = lights.state.ambient; + uniforms.lightProbe.value = lights.state.probe; + uniforms.directionalLights.value = lights.state.directional; + uniforms.directionalLightShadows.value = lights.state.directionalShadow; + uniforms.spotLights.value = lights.state.spot; + uniforms.spotLightShadows.value = lights.state.spotShadow; + uniforms.rectAreaLights.value = lights.state.rectArea; + uniforms.ltc_1.value = lights.state.rectAreaLTC1; + uniforms.ltc_2.value = lights.state.rectAreaLTC2; + uniforms.pointLights.value = lights.state.point; + uniforms.pointLightShadows.value = lights.state.pointShadow; + uniforms.hemisphereLights.value = lights.state.hemi; + + uniforms.directionalShadowMap.value = lights.state.directionalShadowMap; + uniforms.directionalShadowMatrix.value = lights.state.directionalShadowMatrix; + uniforms.spotShadowMap.value = lights.state.spotShadowMap; + uniforms.spotShadowMatrix.value = lights.state.spotShadowMatrix; + uniforms.pointShadowMap.value = lights.state.pointShadowMap; + uniforms.pointShadowMatrix.value = lights.state.pointShadowMatrix; + // TODO (abelnation): add area lights shadow info to uniforms + + } + + const progUniforms = program.getUniforms(); + const uniformsList = WebGLUniforms.seqWithValue( progUniforms.seq, uniforms ); + + materialProperties.currentProgram = program; + materialProperties.uniformsList = uniformsList; + + return program; + + } + + function updateCommonMaterialProperties( material, parameters ) { + + const materialProperties = properties.get( material ); + + materialProperties.outputEncoding = parameters.outputEncoding; + materialProperties.instancing = parameters.instancing; + materialProperties.skinning = parameters.skinning; + materialProperties.morphTargets = parameters.morphTargets; + materialProperties.morphNormals = parameters.morphNormals; + materialProperties.morphColors = parameters.morphColors; + materialProperties.morphTargetsCount = parameters.morphTargetsCount; + materialProperties.numClippingPlanes = parameters.numClippingPlanes; + materialProperties.numIntersection = parameters.numClipIntersection; + materialProperties.vertexAlphas = parameters.vertexAlphas; + materialProperties.vertexTangents = parameters.vertexTangents; + materialProperties.toneMapping = parameters.toneMapping; + + } + + function setProgram( camera, scene, geometry, material, object ) { + + if ( scene.isScene !== true ) scene = _emptyScene; // scene could be a Mesh, Line, Points, ... + + textures.resetTextureUnits(); + + const fog = scene.fog; + const environment = material.isMeshStandardMaterial ? scene.environment : null; + const encoding = ( _currentRenderTarget === null ) ? _this.outputEncoding : ( _currentRenderTarget.isXRRenderTarget === true ? _currentRenderTarget.texture.encoding : LinearEncoding ); + const envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || environment ); + const vertexAlphas = material.vertexColors === true && !! geometry.attributes.color && geometry.attributes.color.itemSize === 4; + const vertexTangents = !! material.normalMap && !! geometry.attributes.tangent; + const morphTargets = !! geometry.morphAttributes.position; + const morphNormals = !! geometry.morphAttributes.normal; + const morphColors = !! geometry.morphAttributes.color; + const toneMapping = material.toneMapped ? _this.toneMapping : NoToneMapping; + + const morphAttribute = geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color; + const morphTargetsCount = ( morphAttribute !== undefined ) ? morphAttribute.length : 0; + + const materialProperties = properties.get( material ); + const lights = currentRenderState.state.lights; + + if ( _clippingEnabled === true ) { + + if ( _localClippingEnabled === true || camera !== _currentCamera ) { + + const useCache = + camera === _currentCamera && + material.id === _currentMaterialId; + + // we might want to call this function with some ClippingGroup + // object instead of the material, once it becomes feasible + // (#8465, #8379) + clipping.setState( material, camera, useCache ); + + } + + } + + // + + let needsProgramChange = false; + + if ( material.version === materialProperties.__version ) { + + if ( materialProperties.needsLights && ( materialProperties.lightsStateVersion !== lights.state.version ) ) { + + needsProgramChange = true; + + } else if ( materialProperties.outputEncoding !== encoding ) { + + needsProgramChange = true; + + } else if ( object.isInstancedMesh && materialProperties.instancing === false ) { + + needsProgramChange = true; + + } else if ( ! object.isInstancedMesh && materialProperties.instancing === true ) { + + needsProgramChange = true; + + } else if ( object.isSkinnedMesh && materialProperties.skinning === false ) { + + needsProgramChange = true; + + } else if ( ! object.isSkinnedMesh && materialProperties.skinning === true ) { + + needsProgramChange = true; + + } else if ( materialProperties.envMap !== envMap ) { + + needsProgramChange = true; + + } else if ( material.fog === true && materialProperties.fog !== fog ) { + + needsProgramChange = true; + + } else if ( materialProperties.numClippingPlanes !== undefined && + ( materialProperties.numClippingPlanes !== clipping.numPlanes || + materialProperties.numIntersection !== clipping.numIntersection ) ) { + + needsProgramChange = true; + + } else if ( materialProperties.vertexAlphas !== vertexAlphas ) { + + needsProgramChange = true; + + } else if ( materialProperties.vertexTangents !== vertexTangents ) { + + needsProgramChange = true; + + } else if ( materialProperties.morphTargets !== morphTargets ) { + + needsProgramChange = true; + + } else if ( materialProperties.morphNormals !== morphNormals ) { + + needsProgramChange = true; + + } else if ( materialProperties.morphColors !== morphColors ) { + + needsProgramChange = true; + + } else if ( materialProperties.toneMapping !== toneMapping ) { + + needsProgramChange = true; + + } else if ( capabilities.isWebGL2 === true && materialProperties.morphTargetsCount !== morphTargetsCount ) { + + needsProgramChange = true; + + } + + } else { + + needsProgramChange = true; + materialProperties.__version = material.version; + + } + + // + + let program = materialProperties.currentProgram; + + if ( needsProgramChange === true ) { + + program = getProgram( material, scene, object ); + + } + + let refreshProgram = false; + let refreshMaterial = false; + let refreshLights = false; + + const p_uniforms = program.getUniforms(), + m_uniforms = materialProperties.uniforms; + + if ( state.useProgram( program.program ) ) { + + refreshProgram = true; + refreshMaterial = true; + refreshLights = true; + + } + + if ( material.id !== _currentMaterialId ) { + + _currentMaterialId = material.id; + + refreshMaterial = true; + + } + + if ( refreshProgram || _currentCamera !== camera ) { + + p_uniforms.setValue( _gl, 'projectionMatrix', camera.projectionMatrix ); + + if ( capabilities.logarithmicDepthBuffer ) { + + p_uniforms.setValue( _gl, 'logDepthBufFC', + 2.0 / ( Math.log( camera.far + 1.0 ) / Math.LN2 ) ); + + } + + if ( _currentCamera !== camera ) { + + _currentCamera = camera; + + // lighting uniforms depend on the camera so enforce an update + // now, in case this material supports lights - or later, when + // the next material that does gets activated: + + refreshMaterial = true; // set to true on material change + refreshLights = true; // remains set until update done + + } + + // load material specific uniforms + // (shader material also gets them for the sake of genericity) + + if ( material.isShaderMaterial || + material.isMeshPhongMaterial || + material.isMeshToonMaterial || + material.isMeshStandardMaterial || + material.envMap ) { + + const uCamPos = p_uniforms.map.cameraPosition; + + if ( uCamPos !== undefined ) { + + uCamPos.setValue( _gl, + _vector3.setFromMatrixPosition( camera.matrixWorld ) ); + + } + + } + + if ( material.isMeshPhongMaterial || + material.isMeshToonMaterial || + material.isMeshLambertMaterial || + material.isMeshBasicMaterial || + material.isMeshStandardMaterial || + material.isShaderMaterial ) { + + p_uniforms.setValue( _gl, 'isOrthographic', camera.isOrthographicCamera === true ); + + } + + if ( material.isMeshPhongMaterial || + material.isMeshToonMaterial || + material.isMeshLambertMaterial || + material.isMeshBasicMaterial || + material.isMeshStandardMaterial || + material.isShaderMaterial || + material.isShadowMaterial || + object.isSkinnedMesh ) { + + p_uniforms.setValue( _gl, 'viewMatrix', camera.matrixWorldInverse ); + + } + + } + + // skinning and morph target uniforms must be set even if material didn't change + // auto-setting of texture unit for bone and morph texture must go before other textures + // otherwise textures used for skinning and morphing can take over texture units reserved for other material textures + + if ( object.isSkinnedMesh ) { + + p_uniforms.setOptional( _gl, object, 'bindMatrix' ); + p_uniforms.setOptional( _gl, object, 'bindMatrixInverse' ); + + const skeleton = object.skeleton; + + if ( skeleton ) { + + if ( capabilities.floatVertexTextures ) { + + if ( skeleton.boneTexture === null ) skeleton.computeBoneTexture(); + + p_uniforms.setValue( _gl, 'boneTexture', skeleton.boneTexture, textures ); + p_uniforms.setValue( _gl, 'boneTextureSize', skeleton.boneTextureSize ); + + } else { + + console.warn( 'THREE.WebGLRenderer: SkinnedMesh can only be used with WebGL 2. With WebGL 1 OES_texture_float and vertex textures support is required.' ); + + } + + } + + } + + const morphAttributes = geometry.morphAttributes; + + if ( morphAttributes.position !== undefined || morphAttributes.normal !== undefined || ( morphAttributes.color !== undefined && capabilities.isWebGL2 === true ) ) { + + morphtargets.update( object, geometry, material, program ); + + } + + + if ( refreshMaterial || materialProperties.receiveShadow !== object.receiveShadow ) { + + materialProperties.receiveShadow = object.receiveShadow; + p_uniforms.setValue( _gl, 'receiveShadow', object.receiveShadow ); + + } + + if ( refreshMaterial ) { + + p_uniforms.setValue( _gl, 'toneMappingExposure', _this.toneMappingExposure ); + + if ( materialProperties.needsLights ) { + + // the current material requires lighting info + + // note: all lighting uniforms are always set correctly + // they simply reference the renderer's state for their + // values + // + // use the current material's .needsUpdate flags to set + // the GL state when required + + markUniformsLightsNeedsUpdate( m_uniforms, refreshLights ); + + } + + // refresh uniforms common to several materials + + if ( fog && material.fog === true ) { + + materials.refreshFogUniforms( m_uniforms, fog ); + + } + + materials.refreshMaterialUniforms( m_uniforms, material, _pixelRatio, _height, _transmissionRenderTarget ); + + WebGLUniforms.upload( _gl, materialProperties.uniformsList, m_uniforms, textures ); + + } + + if ( material.isShaderMaterial && material.uniformsNeedUpdate === true ) { + + WebGLUniforms.upload( _gl, materialProperties.uniformsList, m_uniforms, textures ); + material.uniformsNeedUpdate = false; + + } + + if ( material.isSpriteMaterial ) { + + p_uniforms.setValue( _gl, 'center', object.center ); + + } + + // common matrices + + p_uniforms.setValue( _gl, 'modelViewMatrix', object.modelViewMatrix ); + p_uniforms.setValue( _gl, 'normalMatrix', object.normalMatrix ); + p_uniforms.setValue( _gl, 'modelMatrix', object.matrixWorld ); + + return program; + + } + + // If uniforms are marked as clean, they don't need to be loaded to the GPU. + + function markUniformsLightsNeedsUpdate( uniforms, value ) { + + uniforms.ambientLightColor.needsUpdate = value; + uniforms.lightProbe.needsUpdate = value; + + uniforms.directionalLights.needsUpdate = value; + uniforms.directionalLightShadows.needsUpdate = value; + uniforms.pointLights.needsUpdate = value; + uniforms.pointLightShadows.needsUpdate = value; + uniforms.spotLights.needsUpdate = value; + uniforms.spotLightShadows.needsUpdate = value; + uniforms.rectAreaLights.needsUpdate = value; + uniforms.hemisphereLights.needsUpdate = value; + + } + + function materialNeedsLights( material ) { + + return material.isMeshLambertMaterial || material.isMeshToonMaterial || material.isMeshPhongMaterial || + material.isMeshStandardMaterial || material.isShadowMaterial || + ( material.isShaderMaterial && material.lights === true ); + + } + + this.getActiveCubeFace = function () { + + return _currentActiveCubeFace; + + }; + + this.getActiveMipmapLevel = function () { + + return _currentActiveMipmapLevel; + + }; + + this.getRenderTarget = function () { + + return _currentRenderTarget; + + }; + + this.setRenderTargetTextures = function ( renderTarget, colorTexture, depthTexture ) { + + properties.get( renderTarget.texture ).__webglTexture = colorTexture; + properties.get( renderTarget.depthTexture ).__webglTexture = depthTexture; + + const renderTargetProperties = properties.get( renderTarget ); + renderTargetProperties.__hasExternalTextures = true; + + if ( renderTargetProperties.__hasExternalTextures ) { + + renderTargetProperties.__autoAllocateDepthBuffer = depthTexture === undefined; + + if ( ! renderTargetProperties.__autoAllocateDepthBuffer ) { + + // The multisample_render_to_texture extension doesn't work properly if there + // are midframe flushes and an external depth buffer. Disable use of the extension. + if ( extensions.has( 'WEBGL_multisampled_render_to_texture' ) === true ) { + + console.warn( 'THREE.WebGLRenderer: Render-to-texture extension was disabled because an external texture was provided' ); + renderTargetProperties.__useRenderToTexture = false; + + } + + } + + } + + }; + + this.setRenderTargetFramebuffer = function ( renderTarget, defaultFramebuffer ) { + + const renderTargetProperties = properties.get( renderTarget ); + renderTargetProperties.__webglFramebuffer = defaultFramebuffer; + renderTargetProperties.__useDefaultFramebuffer = defaultFramebuffer === undefined; + + }; + + this.setRenderTarget = function ( renderTarget, activeCubeFace = 0, activeMipmapLevel = 0 ) { + + _currentRenderTarget = renderTarget; + _currentActiveCubeFace = activeCubeFace; + _currentActiveMipmapLevel = activeMipmapLevel; + + let useDefaultFramebuffer = true; + + if ( renderTarget ) { + + const renderTargetProperties = properties.get( renderTarget ); + + if ( renderTargetProperties.__useDefaultFramebuffer !== undefined ) { + + // We need to make sure to rebind the framebuffer. + state.bindFramebuffer( 36160, null ); + useDefaultFramebuffer = false; + + } else if ( renderTargetProperties.__webglFramebuffer === undefined ) { + + textures.setupRenderTarget( renderTarget ); + + } else if ( renderTargetProperties.__hasExternalTextures ) { + + // Color and depth texture must be rebound in order for the swapchain to update. + textures.rebindTextures( renderTarget, properties.get( renderTarget.texture ).__webglTexture, properties.get( renderTarget.depthTexture ).__webglTexture ); + + } + + } + + let framebuffer = null; + let isCube = false; + let isRenderTarget3D = false; + + if ( renderTarget ) { + + const texture = renderTarget.texture; + + if ( texture.isData3DTexture || texture.isDataArrayTexture ) { + + isRenderTarget3D = true; + + } + + const __webglFramebuffer = properties.get( renderTarget ).__webglFramebuffer; + + if ( renderTarget.isWebGLCubeRenderTarget ) { + + framebuffer = __webglFramebuffer[ activeCubeFace ]; + isCube = true; + + } else if ( ( capabilities.isWebGL2 && renderTarget.samples > 0 ) && textures.useMultisampledRTT( renderTarget ) === false ) { + + framebuffer = properties.get( renderTarget ).__webglMultisampledFramebuffer; + + } else { + + framebuffer = __webglFramebuffer; + + } + + _currentViewport.copy( renderTarget.viewport ); + _currentScissor.copy( renderTarget.scissor ); + _currentScissorTest = renderTarget.scissorTest; + + } else { + + _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ).floor(); + _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ).floor(); + _currentScissorTest = _scissorTest; + + } + + const framebufferBound = state.bindFramebuffer( 36160, framebuffer ); + + if ( framebufferBound && capabilities.drawBuffers && useDefaultFramebuffer ) { + + state.drawBuffers( renderTarget, framebuffer ); + + } + + state.viewport( _currentViewport ); + state.scissor( _currentScissor ); + state.setScissorTest( _currentScissorTest ); + + if ( isCube ) { + + const textureProperties = properties.get( renderTarget.texture ); + _gl.framebufferTexture2D( 36160, 36064, 34069 + activeCubeFace, textureProperties.__webglTexture, activeMipmapLevel ); + + } else if ( isRenderTarget3D ) { + + const textureProperties = properties.get( renderTarget.texture ); + const layer = activeCubeFace || 0; + _gl.framebufferTextureLayer( 36160, 36064, textureProperties.__webglTexture, activeMipmapLevel || 0, layer ); + + } + + _currentMaterialId = - 1; // reset current material to ensure correct uniform bindings + + }; + + this.readRenderTargetPixels = function ( renderTarget, x, y, width, height, buffer, activeCubeFaceIndex ) { + + if ( ! ( renderTarget && renderTarget.isWebGLRenderTarget ) ) { + + console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' ); + return; + + } + + let framebuffer = properties.get( renderTarget ).__webglFramebuffer; + + if ( renderTarget.isWebGLCubeRenderTarget && activeCubeFaceIndex !== undefined ) { + + framebuffer = framebuffer[ activeCubeFaceIndex ]; + + } + + if ( framebuffer ) { + + state.bindFramebuffer( 36160, framebuffer ); + + try { + + const texture = renderTarget.texture; + const textureFormat = texture.format; + const textureType = texture.type; + + if ( textureFormat !== RGBAFormat && utils.convert( textureFormat ) !== _gl.getParameter( 35739 ) ) { + + console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.' ); + return; + + } + + const halfFloatSupportedByExt = ( textureType === HalfFloatType ) && ( extensions.has( 'EXT_color_buffer_half_float' ) || ( capabilities.isWebGL2 && extensions.has( 'EXT_color_buffer_float' ) ) ); + + if ( textureType !== UnsignedByteType && utils.convert( textureType ) !== _gl.getParameter( 35738 ) && // Edge and Chrome Mac < 52 (#9513) + ! ( textureType === FloatType && ( capabilities.isWebGL2 || extensions.has( 'OES_texture_float' ) || extensions.has( 'WEBGL_color_buffer_float' ) ) ) && // Chrome Mac >= 52 and Firefox + ! halfFloatSupportedByExt ) { + + console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.' ); + return; + + } + + // the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604) + + if ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) { + + _gl.readPixels( x, y, width, height, utils.convert( textureFormat ), utils.convert( textureType ), buffer ); + + } + + } finally { + + // restore framebuffer of current render target if necessary + + const framebuffer = ( _currentRenderTarget !== null ) ? properties.get( _currentRenderTarget ).__webglFramebuffer : null; + state.bindFramebuffer( 36160, framebuffer ); + + } + + } + + }; + + this.copyFramebufferToTexture = function ( position, texture, level = 0 ) { + + const levelScale = Math.pow( 2, - level ); + const width = Math.floor( texture.image.width * levelScale ); + const height = Math.floor( texture.image.height * levelScale ); + + textures.setTexture2D( texture, 0 ); + + _gl.copyTexSubImage2D( 3553, level, 0, 0, position.x, position.y, width, height ); + + state.unbindTexture(); + + }; + + this.copyTextureToTexture = function ( position, srcTexture, dstTexture, level = 0 ) { + + const width = srcTexture.image.width; + const height = srcTexture.image.height; + const glFormat = utils.convert( dstTexture.format ); + const glType = utils.convert( dstTexture.type ); + + textures.setTexture2D( dstTexture, 0 ); + + // As another texture upload may have changed pixelStorei + // parameters, make sure they are correct for the dstTexture + _gl.pixelStorei( 37440, dstTexture.flipY ); + _gl.pixelStorei( 37441, dstTexture.premultiplyAlpha ); + _gl.pixelStorei( 3317, dstTexture.unpackAlignment ); + + if ( srcTexture.isDataTexture ) { + + _gl.texSubImage2D( 3553, level, position.x, position.y, width, height, glFormat, glType, srcTexture.image.data ); + + } else { + + if ( srcTexture.isCompressedTexture ) { + + _gl.compressedTexSubImage2D( 3553, level, position.x, position.y, srcTexture.mipmaps[ 0 ].width, srcTexture.mipmaps[ 0 ].height, glFormat, srcTexture.mipmaps[ 0 ].data ); + + } else { + + _gl.texSubImage2D( 3553, level, position.x, position.y, glFormat, glType, srcTexture.image ); + + } + + } + + // Generate mipmaps only when copying level 0 + if ( level === 0 && dstTexture.generateMipmaps ) _gl.generateMipmap( 3553 ); + + state.unbindTexture(); + + }; + + this.copyTextureToTexture3D = function ( sourceBox, position, srcTexture, dstTexture, level = 0 ) { + + if ( _this.isWebGL1Renderer ) { + + console.warn( 'THREE.WebGLRenderer.copyTextureToTexture3D: can only be used with WebGL2.' ); + return; + + } + + const width = sourceBox.max.x - sourceBox.min.x + 1; + const height = sourceBox.max.y - sourceBox.min.y + 1; + const depth = sourceBox.max.z - sourceBox.min.z + 1; + const glFormat = utils.convert( dstTexture.format ); + const glType = utils.convert( dstTexture.type ); + let glTarget; + + if ( dstTexture.isData3DTexture ) { + + textures.setTexture3D( dstTexture, 0 ); + glTarget = 32879; + + } else if ( dstTexture.isDataArrayTexture ) { + + textures.setTexture2DArray( dstTexture, 0 ); + glTarget = 35866; + + } else { + + console.warn( 'THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.' ); + return; + + } + + _gl.pixelStorei( 37440, dstTexture.flipY ); + _gl.pixelStorei( 37441, dstTexture.premultiplyAlpha ); + _gl.pixelStorei( 3317, dstTexture.unpackAlignment ); + + const unpackRowLen = _gl.getParameter( 3314 ); + const unpackImageHeight = _gl.getParameter( 32878 ); + const unpackSkipPixels = _gl.getParameter( 3316 ); + const unpackSkipRows = _gl.getParameter( 3315 ); + const unpackSkipImages = _gl.getParameter( 32877 ); + + const image = srcTexture.isCompressedTexture ? srcTexture.mipmaps[ 0 ] : srcTexture.image; + + _gl.pixelStorei( 3314, image.width ); + _gl.pixelStorei( 32878, image.height ); + _gl.pixelStorei( 3316, sourceBox.min.x ); + _gl.pixelStorei( 3315, sourceBox.min.y ); + _gl.pixelStorei( 32877, sourceBox.min.z ); + + if ( srcTexture.isDataTexture || srcTexture.isData3DTexture ) { + + _gl.texSubImage3D( glTarget, level, position.x, position.y, position.z, width, height, depth, glFormat, glType, image.data ); + + } else { + + if ( srcTexture.isCompressedTexture ) { + + console.warn( 'THREE.WebGLRenderer.copyTextureToTexture3D: untested support for compressed srcTexture.' ); + _gl.compressedTexSubImage3D( glTarget, level, position.x, position.y, position.z, width, height, depth, glFormat, image.data ); + + } else { + + _gl.texSubImage3D( glTarget, level, position.x, position.y, position.z, width, height, depth, glFormat, glType, image ); + + } + + } + + _gl.pixelStorei( 3314, unpackRowLen ); + _gl.pixelStorei( 32878, unpackImageHeight ); + _gl.pixelStorei( 3316, unpackSkipPixels ); + _gl.pixelStorei( 3315, unpackSkipRows ); + _gl.pixelStorei( 32877, unpackSkipImages ); + + // Generate mipmaps only when copying level 0 + if ( level === 0 && dstTexture.generateMipmaps ) _gl.generateMipmap( glTarget ); + + state.unbindTexture(); + + }; + + this.initTexture = function ( texture ) { + + if ( texture.isCubeTexture ) { + + textures.setTextureCube( texture, 0 ); + + } else if ( texture.isData3DTexture ) { + + textures.setTexture3D( texture, 0 ); + + } else if ( texture.isDataArrayTexture ) { + + textures.setTexture2DArray( texture, 0 ); + + } else { + + textures.setTexture2D( texture, 0 ); + + } + + state.unbindTexture(); + + }; + + this.resetState = function () { + + _currentActiveCubeFace = 0; + _currentActiveMipmapLevel = 0; + _currentRenderTarget = null; + + state.reset(); + bindingStates.reset(); + + }; + + if ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) { + + __THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'observe', { detail: this } ) ); + + } + +} + +class WebGL1Renderer extends WebGLRenderer {} + +WebGL1Renderer.prototype.isWebGL1Renderer = true; + +class FogExp2 { + + constructor( color, density = 0.00025 ) { + + this.isFogExp2 = true; + + this.name = ''; + + this.color = new Color( color ); + this.density = density; + + } + + clone() { + + return new FogExp2( this.color, this.density ); + + } + + toJSON( /* meta */ ) { + + return { + type: 'FogExp2', + color: this.color.getHex(), + density: this.density + }; + + } + +} + +class Fog { + + constructor( color, near = 1, far = 1000 ) { + + this.isFog = true; + + this.name = ''; + + this.color = new Color( color ); + + this.near = near; + this.far = far; + + } + + clone() { + + return new Fog( this.color, this.near, this.far ); + + } + + toJSON( /* meta */ ) { + + return { + type: 'Fog', + color: this.color.getHex(), + near: this.near, + far: this.far + }; + + } + +} + +class Scene extends Object3D { + + constructor() { + + super(); + + this.isScene = true; + + this.type = 'Scene'; + + this.background = null; + this.environment = null; + this.fog = null; + + this.overrideMaterial = null; + + this.autoUpdate = true; // checked by the renderer + + if ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) { + + __THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'observe', { detail: this } ) ); + + } + + } + + copy( source, recursive ) { + + super.copy( source, recursive ); + + if ( source.background !== null ) this.background = source.background.clone(); + if ( source.environment !== null ) this.environment = source.environment.clone(); + if ( source.fog !== null ) this.fog = source.fog.clone(); + + if ( source.overrideMaterial !== null ) this.overrideMaterial = source.overrideMaterial.clone(); + + this.autoUpdate = source.autoUpdate; + this.matrixAutoUpdate = source.matrixAutoUpdate; + + return this; + + } + + toJSON( meta ) { + + const data = super.toJSON( meta ); + + if ( this.fog !== null ) data.object.fog = this.fog.toJSON(); + + return data; + + } + +} + +class InterleavedBuffer { + + constructor( array, stride ) { + + this.isInterleavedBuffer = true; + + this.array = array; + this.stride = stride; + this.count = array !== undefined ? array.length / stride : 0; + + this.usage = StaticDrawUsage; + this.updateRange = { offset: 0, count: - 1 }; + + this.version = 0; + + this.uuid = generateUUID(); + + } + + onUploadCallback() {} + + set needsUpdate( value ) { + + if ( value === true ) this.version ++; + + } + + setUsage( value ) { + + this.usage = value; + + return this; + + } + + copy( source ) { + + this.array = new source.array.constructor( source.array ); + this.count = source.count; + this.stride = source.stride; + this.usage = source.usage; + + return this; + + } + + copyAt( index1, attribute, index2 ) { + + index1 *= this.stride; + index2 *= attribute.stride; + + for ( let i = 0, l = this.stride; i < l; i ++ ) { + + this.array[ index1 + i ] = attribute.array[ index2 + i ]; + + } + + return this; + + } + + set( value, offset = 0 ) { + + this.array.set( value, offset ); + + return this; + + } + + clone( data ) { + + if ( data.arrayBuffers === undefined ) { + + data.arrayBuffers = {}; + + } + + if ( this.array.buffer._uuid === undefined ) { + + this.array.buffer._uuid = generateUUID(); + + } + + if ( data.arrayBuffers[ this.array.buffer._uuid ] === undefined ) { + + data.arrayBuffers[ this.array.buffer._uuid ] = this.array.slice( 0 ).buffer; + + } + + const array = new this.array.constructor( data.arrayBuffers[ this.array.buffer._uuid ] ); + + const ib = new this.constructor( array, this.stride ); + ib.setUsage( this.usage ); + + return ib; + + } + + onUpload( callback ) { + + this.onUploadCallback = callback; + + return this; + + } + + toJSON( data ) { + + if ( data.arrayBuffers === undefined ) { + + data.arrayBuffers = {}; + + } + + // generate UUID for array buffer if necessary + + if ( this.array.buffer._uuid === undefined ) { + + this.array.buffer._uuid = generateUUID(); + + } + + if ( data.arrayBuffers[ this.array.buffer._uuid ] === undefined ) { + + data.arrayBuffers[ this.array.buffer._uuid ] = Array.from( new Uint32Array( this.array.buffer ) ); + + } + + // + + return { + uuid: this.uuid, + buffer: this.array.buffer._uuid, + type: this.array.constructor.name, + stride: this.stride + }; + + } + +} + +const _vector$6 = /*@__PURE__*/ new Vector3(); + +class InterleavedBufferAttribute { + + constructor( interleavedBuffer, itemSize, offset, normalized = false ) { + + this.isInterleavedBufferAttribute = true; + + this.name = ''; + + this.data = interleavedBuffer; + this.itemSize = itemSize; + this.offset = offset; + + this.normalized = normalized === true; + + } + + get count() { + + return this.data.count; + + } + + get array() { + + return this.data.array; + + } + + set needsUpdate( value ) { + + this.data.needsUpdate = value; + + } + + applyMatrix4( m ) { + + for ( let i = 0, l = this.data.count; i < l; i ++ ) { + + _vector$6.fromBufferAttribute( this, i ); + + _vector$6.applyMatrix4( m ); + + this.setXYZ( i, _vector$6.x, _vector$6.y, _vector$6.z ); + + } + + return this; + + } + + applyNormalMatrix( m ) { + + for ( let i = 0, l = this.count; i < l; i ++ ) { + + _vector$6.fromBufferAttribute( this, i ); + + _vector$6.applyNormalMatrix( m ); + + this.setXYZ( i, _vector$6.x, _vector$6.y, _vector$6.z ); + + } + + return this; + + } + + transformDirection( m ) { + + for ( let i = 0, l = this.count; i < l; i ++ ) { + + _vector$6.fromBufferAttribute( this, i ); + + _vector$6.transformDirection( m ); + + this.setXYZ( i, _vector$6.x, _vector$6.y, _vector$6.z ); + + } + + return this; + + } + + setX( index, x ) { + + this.data.array[ index * this.data.stride + this.offset ] = x; + + return this; + + } + + setY( index, y ) { + + this.data.array[ index * this.data.stride + this.offset + 1 ] = y; + + return this; + + } + + setZ( index, z ) { + + this.data.array[ index * this.data.stride + this.offset + 2 ] = z; + + return this; + + } + + setW( index, w ) { + + this.data.array[ index * this.data.stride + this.offset + 3 ] = w; + + return this; + + } + + getX( index ) { + + return this.data.array[ index * this.data.stride + this.offset ]; + + } + + getY( index ) { + + return this.data.array[ index * this.data.stride + this.offset + 1 ]; + + } + + getZ( index ) { + + return this.data.array[ index * this.data.stride + this.offset + 2 ]; + + } + + getW( index ) { + + return this.data.array[ index * this.data.stride + this.offset + 3 ]; + + } + + setXY( index, x, y ) { + + index = index * this.data.stride + this.offset; + + this.data.array[ index + 0 ] = x; + this.data.array[ index + 1 ] = y; + + return this; + + } + + setXYZ( index, x, y, z ) { + + index = index * this.data.stride + this.offset; + + this.data.array[ index + 0 ] = x; + this.data.array[ index + 1 ] = y; + this.data.array[ index + 2 ] = z; + + return this; + + } + + setXYZW( index, x, y, z, w ) { + + index = index * this.data.stride + this.offset; + + this.data.array[ index + 0 ] = x; + this.data.array[ index + 1 ] = y; + this.data.array[ index + 2 ] = z; + this.data.array[ index + 3 ] = w; + + return this; + + } + + clone( data ) { + + if ( data === undefined ) { + + console.log( 'THREE.InterleavedBufferAttribute.clone(): Cloning an interleaved buffer attribute will deinterleave buffer data.' ); + + const array = []; + + for ( let i = 0; i < this.count; i ++ ) { + + const index = i * this.data.stride + this.offset; + + for ( let j = 0; j < this.itemSize; j ++ ) { + + array.push( this.data.array[ index + j ] ); + + } + + } + + return new BufferAttribute( new this.array.constructor( array ), this.itemSize, this.normalized ); + + } else { + + if ( data.interleavedBuffers === undefined ) { + + data.interleavedBuffers = {}; + + } + + if ( data.interleavedBuffers[ this.data.uuid ] === undefined ) { + + data.interleavedBuffers[ this.data.uuid ] = this.data.clone( data ); + + } + + return new InterleavedBufferAttribute( data.interleavedBuffers[ this.data.uuid ], this.itemSize, this.offset, this.normalized ); + + } + + } + + toJSON( data ) { + + if ( data === undefined ) { + + console.log( 'THREE.InterleavedBufferAttribute.toJSON(): Serializing an interleaved buffer attribute will deinterleave buffer data.' ); + + const array = []; + + for ( let i = 0; i < this.count; i ++ ) { + + const index = i * this.data.stride + this.offset; + + for ( let j = 0; j < this.itemSize; j ++ ) { + + array.push( this.data.array[ index + j ] ); + + } + + } + + // deinterleave data and save it as an ordinary buffer attribute for now + + return { + itemSize: this.itemSize, + type: this.array.constructor.name, + array: array, + normalized: this.normalized + }; + + } else { + + // save as true interleaved attribtue + + if ( data.interleavedBuffers === undefined ) { + + data.interleavedBuffers = {}; + + } + + if ( data.interleavedBuffers[ this.data.uuid ] === undefined ) { + + data.interleavedBuffers[ this.data.uuid ] = this.data.toJSON( data ); + + } + + return { + isInterleavedBufferAttribute: true, + itemSize: this.itemSize, + data: this.data.uuid, + offset: this.offset, + normalized: this.normalized + }; + + } + + } + +} + +class SpriteMaterial extends Material { + + constructor( parameters ) { + + super(); + + this.isSpriteMaterial = true; + + this.type = 'SpriteMaterial'; + + this.color = new Color( 0xffffff ); + + this.map = null; + + this.alphaMap = null; + + this.rotation = 0; + + this.sizeAttenuation = true; + + this.transparent = true; + + this.fog = true; + + this.setValues( parameters ); + + } + + copy( source ) { + + super.copy( source ); + + this.color.copy( source.color ); + + this.map = source.map; + + this.alphaMap = source.alphaMap; + + this.rotation = source.rotation; + + this.sizeAttenuation = source.sizeAttenuation; + + this.fog = source.fog; + + return this; + + } + +} + +let _geometry; + +const _intersectPoint = /*@__PURE__*/ new Vector3(); +const _worldScale = /*@__PURE__*/ new Vector3(); +const _mvPosition = /*@__PURE__*/ new Vector3(); + +const _alignedPosition = /*@__PURE__*/ new Vector2(); +const _rotatedPosition = /*@__PURE__*/ new Vector2(); +const _viewWorldMatrix = /*@__PURE__*/ new Matrix4(); + +const _vA = /*@__PURE__*/ new Vector3(); +const _vB = /*@__PURE__*/ new Vector3(); +const _vC = /*@__PURE__*/ new Vector3(); + +const _uvA = /*@__PURE__*/ new Vector2(); +const _uvB = /*@__PURE__*/ new Vector2(); +const _uvC = /*@__PURE__*/ new Vector2(); + +class Sprite extends Object3D { + + constructor( material ) { + + super(); + + this.isSprite = true; + + this.type = 'Sprite'; + + if ( _geometry === undefined ) { + + _geometry = new BufferGeometry(); + + const float32Array = new Float32Array( [ + - 0.5, - 0.5, 0, 0, 0, + 0.5, - 0.5, 0, 1, 0, + 0.5, 0.5, 0, 1, 1, + - 0.5, 0.5, 0, 0, 1 + ] ); + + const interleavedBuffer = new InterleavedBuffer( float32Array, 5 ); + + _geometry.setIndex( [ 0, 1, 2, 0, 2, 3 ] ); + _geometry.setAttribute( 'position', new InterleavedBufferAttribute( interleavedBuffer, 3, 0, false ) ); + _geometry.setAttribute( 'uv', new InterleavedBufferAttribute( interleavedBuffer, 2, 3, false ) ); + + } + + this.geometry = _geometry; + this.material = ( material !== undefined ) ? material : new SpriteMaterial(); + + this.center = new Vector2( 0.5, 0.5 ); + + } + + raycast( raycaster, intersects ) { + + if ( raycaster.camera === null ) { + + console.error( 'THREE.Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.' ); + + } + + _worldScale.setFromMatrixScale( this.matrixWorld ); + + _viewWorldMatrix.copy( raycaster.camera.matrixWorld ); + this.modelViewMatrix.multiplyMatrices( raycaster.camera.matrixWorldInverse, this.matrixWorld ); + + _mvPosition.setFromMatrixPosition( this.modelViewMatrix ); + + if ( raycaster.camera.isPerspectiveCamera && this.material.sizeAttenuation === false ) { + + _worldScale.multiplyScalar( - _mvPosition.z ); + + } + + const rotation = this.material.rotation; + let sin, cos; + + if ( rotation !== 0 ) { + + cos = Math.cos( rotation ); + sin = Math.sin( rotation ); + + } + + const center = this.center; + + transformVertex( _vA.set( - 0.5, - 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos ); + transformVertex( _vB.set( 0.5, - 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos ); + transformVertex( _vC.set( 0.5, 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos ); + + _uvA.set( 0, 0 ); + _uvB.set( 1, 0 ); + _uvC.set( 1, 1 ); + + // check first triangle + let intersect = raycaster.ray.intersectTriangle( _vA, _vB, _vC, false, _intersectPoint ); + + if ( intersect === null ) { + + // check second triangle + transformVertex( _vB.set( - 0.5, 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos ); + _uvB.set( 0, 1 ); + + intersect = raycaster.ray.intersectTriangle( _vA, _vC, _vB, false, _intersectPoint ); + if ( intersect === null ) { + + return; + + } + + } + + const distance = raycaster.ray.origin.distanceTo( _intersectPoint ); + + if ( distance < raycaster.near || distance > raycaster.far ) return; + + intersects.push( { + + distance: distance, + point: _intersectPoint.clone(), + uv: Triangle.getUV( _intersectPoint, _vA, _vB, _vC, _uvA, _uvB, _uvC, new Vector2() ), + face: null, + object: this + + } ); + + } + + copy( source, recursive ) { + + super.copy( source, recursive ); + + if ( source.center !== undefined ) this.center.copy( source.center ); + + this.material = source.material; + + return this; + + } + +} + +function transformVertex( vertexPosition, mvPosition, center, scale, sin, cos ) { + + // compute position in camera space + _alignedPosition.subVectors( vertexPosition, center ).addScalar( 0.5 ).multiply( scale ); + + // to check if rotation is not zero + if ( sin !== undefined ) { + + _rotatedPosition.x = ( cos * _alignedPosition.x ) - ( sin * _alignedPosition.y ); + _rotatedPosition.y = ( sin * _alignedPosition.x ) + ( cos * _alignedPosition.y ); + + } else { + + _rotatedPosition.copy( _alignedPosition ); + + } + + + vertexPosition.copy( mvPosition ); + vertexPosition.x += _rotatedPosition.x; + vertexPosition.y += _rotatedPosition.y; + + // transform to world space + vertexPosition.applyMatrix4( _viewWorldMatrix ); + +} + +const _v1$2 = /*@__PURE__*/ new Vector3(); +const _v2$1 = /*@__PURE__*/ new Vector3(); + +class LOD extends Object3D { + + constructor() { + + super(); + + this._currentLevel = 0; + + this.type = 'LOD'; + + Object.defineProperties( this, { + levels: { + enumerable: true, + value: [] + }, + isLOD: { + value: true, + } + } ); + + this.autoUpdate = true; + + } + + copy( source ) { + + super.copy( source, false ); + + const levels = source.levels; + + for ( let i = 0, l = levels.length; i < l; i ++ ) { + + const level = levels[ i ]; + + this.addLevel( level.object.clone(), level.distance ); + + } + + this.autoUpdate = source.autoUpdate; + + return this; + + } + + addLevel( object, distance = 0 ) { + + distance = Math.abs( distance ); + + const levels = this.levels; + + let l; + + for ( l = 0; l < levels.length; l ++ ) { + + if ( distance < levels[ l ].distance ) { + + break; + + } + + } + + levels.splice( l, 0, { distance: distance, object: object } ); + + this.add( object ); + + return this; + + } + + getCurrentLevel() { + + return this._currentLevel; + + } + + getObjectForDistance( distance ) { + + const levels = this.levels; + + if ( levels.length > 0 ) { + + let i, l; + + for ( i = 1, l = levels.length; i < l; i ++ ) { + + if ( distance < levels[ i ].distance ) { + + break; + + } + + } + + return levels[ i - 1 ].object; + + } + + return null; + + } + + raycast( raycaster, intersects ) { + + const levels = this.levels; + + if ( levels.length > 0 ) { + + _v1$2.setFromMatrixPosition( this.matrixWorld ); + + const distance = raycaster.ray.origin.distanceTo( _v1$2 ); + + this.getObjectForDistance( distance ).raycast( raycaster, intersects ); + + } + + } + + update( camera ) { + + const levels = this.levels; + + if ( levels.length > 1 ) { + + _v1$2.setFromMatrixPosition( camera.matrixWorld ); + _v2$1.setFromMatrixPosition( this.matrixWorld ); + + const distance = _v1$2.distanceTo( _v2$1 ) / camera.zoom; + + levels[ 0 ].object.visible = true; + + let i, l; + + for ( i = 1, l = levels.length; i < l; i ++ ) { + + if ( distance >= levels[ i ].distance ) { + + levels[ i - 1 ].object.visible = false; + levels[ i ].object.visible = true; + + } else { + + break; + + } + + } + + this._currentLevel = i - 1; + + for ( ; i < l; i ++ ) { + + levels[ i ].object.visible = false; + + } + + } + + } + + toJSON( meta ) { + + const data = super.toJSON( meta ); + + if ( this.autoUpdate === false ) data.object.autoUpdate = false; + + data.object.levels = []; + + const levels = this.levels; + + for ( let i = 0, l = levels.length; i < l; i ++ ) { + + const level = levels[ i ]; + + data.object.levels.push( { + object: level.object.uuid, + distance: level.distance + } ); + + } + + return data; + + } + +} + +const _basePosition = /*@__PURE__*/ new Vector3(); + +const _skinIndex = /*@__PURE__*/ new Vector4(); +const _skinWeight = /*@__PURE__*/ new Vector4(); + +const _vector$5 = /*@__PURE__*/ new Vector3(); +const _matrix = /*@__PURE__*/ new Matrix4(); + +class SkinnedMesh extends Mesh { + + constructor( geometry, material ) { + + super( geometry, material ); + + this.isSkinnedMesh = true; + + this.type = 'SkinnedMesh'; + + this.bindMode = 'attached'; + this.bindMatrix = new Matrix4(); + this.bindMatrixInverse = new Matrix4(); + + } + + copy( source, recursive ) { + + super.copy( source, recursive ); + + this.bindMode = source.bindMode; + this.bindMatrix.copy( source.bindMatrix ); + this.bindMatrixInverse.copy( source.bindMatrixInverse ); + + this.skeleton = source.skeleton; + + return this; + + } + + bind( skeleton, bindMatrix ) { + + this.skeleton = skeleton; + + if ( bindMatrix === undefined ) { + + this.updateMatrixWorld( true ); + + this.skeleton.calculateInverses(); + + bindMatrix = this.matrixWorld; + + } + + this.bindMatrix.copy( bindMatrix ); + this.bindMatrixInverse.copy( bindMatrix ).invert(); + + } + + pose() { + + this.skeleton.pose(); + + } + + normalizeSkinWeights() { + + const vector = new Vector4(); + + const skinWeight = this.geometry.attributes.skinWeight; + + for ( let i = 0, l = skinWeight.count; i < l; i ++ ) { + + vector.fromBufferAttribute( skinWeight, i ); + + const scale = 1.0 / vector.manhattanLength(); + + if ( scale !== Infinity ) { + + vector.multiplyScalar( scale ); + + } else { + + vector.set( 1, 0, 0, 0 ); // do something reasonable + + } + + skinWeight.setXYZW( i, vector.x, vector.y, vector.z, vector.w ); + + } + + } + + updateMatrixWorld( force ) { + + super.updateMatrixWorld( force ); + + if ( this.bindMode === 'attached' ) { + + this.bindMatrixInverse.copy( this.matrixWorld ).invert(); + + } else if ( this.bindMode === 'detached' ) { + + this.bindMatrixInverse.copy( this.bindMatrix ).invert(); + + } else { + + console.warn( 'THREE.SkinnedMesh: Unrecognized bindMode: ' + this.bindMode ); + + } + + } + + boneTransform( index, target ) { + + const skeleton = this.skeleton; + const geometry = this.geometry; + + _skinIndex.fromBufferAttribute( geometry.attributes.skinIndex, index ); + _skinWeight.fromBufferAttribute( geometry.attributes.skinWeight, index ); + + _basePosition.copy( target ).applyMatrix4( this.bindMatrix ); + + target.set( 0, 0, 0 ); + + for ( let i = 0; i < 4; i ++ ) { + + const weight = _skinWeight.getComponent( i ); + + if ( weight !== 0 ) { + + const boneIndex = _skinIndex.getComponent( i ); + + _matrix.multiplyMatrices( skeleton.bones[ boneIndex ].matrixWorld, skeleton.boneInverses[ boneIndex ] ); + + target.addScaledVector( _vector$5.copy( _basePosition ).applyMatrix4( _matrix ), weight ); + + } + + } + + return target.applyMatrix4( this.bindMatrixInverse ); + + } + +} + +class Bone extends Object3D { + + constructor() { + + super(); + + this.isBone = true; + + this.type = 'Bone'; + + } + +} + +class DataTexture extends Texture { + + constructor( data = null, width = 1, height = 1, format, type, mapping, wrapS, wrapT, magFilter = NearestFilter, minFilter = NearestFilter, anisotropy, encoding ) { + + super( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ); + + this.isDataTexture = true; + + this.image = { data: data, width: width, height: height }; + + this.generateMipmaps = false; + this.flipY = false; + this.unpackAlignment = 1; + + } + +} + +const _offsetMatrix = /*@__PURE__*/ new Matrix4(); +const _identityMatrix = /*@__PURE__*/ new Matrix4(); + +class Skeleton { + + constructor( bones = [], boneInverses = [] ) { + + this.uuid = generateUUID(); + + this.bones = bones.slice( 0 ); + this.boneInverses = boneInverses; + this.boneMatrices = null; + + this.boneTexture = null; + this.boneTextureSize = 0; + + this.frame = - 1; + + this.init(); + + } + + init() { + + const bones = this.bones; + const boneInverses = this.boneInverses; + + this.boneMatrices = new Float32Array( bones.length * 16 ); + + // calculate inverse bone matrices if necessary + + if ( boneInverses.length === 0 ) { + + this.calculateInverses(); + + } else { + + // handle special case + + if ( bones.length !== boneInverses.length ) { + + console.warn( 'THREE.Skeleton: Number of inverse bone matrices does not match amount of bones.' ); + + this.boneInverses = []; + + for ( let i = 0, il = this.bones.length; i < il; i ++ ) { + + this.boneInverses.push( new Matrix4() ); + + } + + } + + } + + } + + calculateInverses() { + + this.boneInverses.length = 0; + + for ( let i = 0, il = this.bones.length; i < il; i ++ ) { + + const inverse = new Matrix4(); + + if ( this.bones[ i ] ) { + + inverse.copy( this.bones[ i ].matrixWorld ).invert(); + + } + + this.boneInverses.push( inverse ); + + } + + } + + pose() { + + // recover the bind-time world matrices + + for ( let i = 0, il = this.bones.length; i < il; i ++ ) { + + const bone = this.bones[ i ]; + + if ( bone ) { + + bone.matrixWorld.copy( this.boneInverses[ i ] ).invert(); + + } + + } + + // compute the local matrices, positions, rotations and scales + + for ( let i = 0, il = this.bones.length; i < il; i ++ ) { + + const bone = this.bones[ i ]; + + if ( bone ) { + + if ( bone.parent && bone.parent.isBone ) { + + bone.matrix.copy( bone.parent.matrixWorld ).invert(); + bone.matrix.multiply( bone.matrixWorld ); + + } else { + + bone.matrix.copy( bone.matrixWorld ); + + } + + bone.matrix.decompose( bone.position, bone.quaternion, bone.scale ); + + } + + } + + } + + update() { + + const bones = this.bones; + const boneInverses = this.boneInverses; + const boneMatrices = this.boneMatrices; + const boneTexture = this.boneTexture; + + // flatten bone matrices to array + + for ( let i = 0, il = bones.length; i < il; i ++ ) { + + // compute the offset between the current and the original transform + + const matrix = bones[ i ] ? bones[ i ].matrixWorld : _identityMatrix; + + _offsetMatrix.multiplyMatrices( matrix, boneInverses[ i ] ); + _offsetMatrix.toArray( boneMatrices, i * 16 ); + + } + + if ( boneTexture !== null ) { + + boneTexture.needsUpdate = true; + + } + + } + + clone() { + + return new Skeleton( this.bones, this.boneInverses ); + + } + + computeBoneTexture() { + + // layout (1 matrix = 4 pixels) + // RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4) + // with 8x8 pixel texture max 16 bones * 4 pixels = (8 * 8) + // 16x16 pixel texture max 64 bones * 4 pixels = (16 * 16) + // 32x32 pixel texture max 256 bones * 4 pixels = (32 * 32) + // 64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64) + + let size = Math.sqrt( this.bones.length * 4 ); // 4 pixels needed for 1 matrix + size = ceilPowerOfTwo( size ); + size = Math.max( size, 4 ); + + const boneMatrices = new Float32Array( size * size * 4 ); // 4 floats per RGBA pixel + boneMatrices.set( this.boneMatrices ); // copy current values + + const boneTexture = new DataTexture( boneMatrices, size, size, RGBAFormat, FloatType ); + boneTexture.needsUpdate = true; + + this.boneMatrices = boneMatrices; + this.boneTexture = boneTexture; + this.boneTextureSize = size; + + return this; + + } + + getBoneByName( name ) { + + for ( let i = 0, il = this.bones.length; i < il; i ++ ) { + + const bone = this.bones[ i ]; + + if ( bone.name === name ) { + + return bone; + + } + + } + + return undefined; + + } + + dispose( ) { + + if ( this.boneTexture !== null ) { + + this.boneTexture.dispose(); + + this.boneTexture = null; + + } + + } + + fromJSON( json, bones ) { + + this.uuid = json.uuid; + + for ( let i = 0, l = json.bones.length; i < l; i ++ ) { + + const uuid = json.bones[ i ]; + let bone = bones[ uuid ]; + + if ( bone === undefined ) { + + console.warn( 'THREE.Skeleton: No bone found with UUID:', uuid ); + bone = new Bone(); + + } + + this.bones.push( bone ); + this.boneInverses.push( new Matrix4().fromArray( json.boneInverses[ i ] ) ); + + } + + this.init(); + + return this; + + } + + toJSON() { + + const data = { + metadata: { + version: 4.5, + type: 'Skeleton', + generator: 'Skeleton.toJSON' + }, + bones: [], + boneInverses: [] + }; + + data.uuid = this.uuid; + + const bones = this.bones; + const boneInverses = this.boneInverses; + + for ( let i = 0, l = bones.length; i < l; i ++ ) { + + const bone = bones[ i ]; + data.bones.push( bone.uuid ); + + const boneInverse = boneInverses[ i ]; + data.boneInverses.push( boneInverse.toArray() ); + + } + + return data; + + } + +} + +class InstancedBufferAttribute extends BufferAttribute { + + constructor( array, itemSize, normalized, meshPerAttribute = 1 ) { + + if ( typeof normalized === 'number' ) { + + meshPerAttribute = normalized; + + normalized = false; + + console.error( 'THREE.InstancedBufferAttribute: The constructor now expects normalized as the third argument.' ); + + } + + super( array, itemSize, normalized ); + + this.isInstancedBufferAttribute = true; + + this.meshPerAttribute = meshPerAttribute; + + } + + copy( source ) { + + super.copy( source ); + + this.meshPerAttribute = source.meshPerAttribute; + + return this; + + } + + toJSON() { + + const data = super.toJSON(); + + data.meshPerAttribute = this.meshPerAttribute; + + data.isInstancedBufferAttribute = true; + + return data; + + } + +} + +const _instanceLocalMatrix = /*@__PURE__*/ new Matrix4(); +const _instanceWorldMatrix = /*@__PURE__*/ new Matrix4(); + +const _instanceIntersects = []; + +const _mesh = /*@__PURE__*/ new Mesh(); + +class InstancedMesh extends Mesh { + + constructor( geometry, material, count ) { + + super( geometry, material ); + + this.isInstancedMesh = true; + + this.instanceMatrix = new InstancedBufferAttribute( new Float32Array( count * 16 ), 16 ); + this.instanceColor = null; + + this.count = count; + + this.frustumCulled = false; + + } + + copy( source, recursive ) { + + super.copy( source, recursive ); + + this.instanceMatrix.copy( source.instanceMatrix ); + + if ( source.instanceColor !== null ) this.instanceColor = source.instanceColor.clone(); + + this.count = source.count; + + return this; + + } + + getColorAt( index, color ) { + + color.fromArray( this.instanceColor.array, index * 3 ); + + } + + getMatrixAt( index, matrix ) { + + matrix.fromArray( this.instanceMatrix.array, index * 16 ); + + } + + raycast( raycaster, intersects ) { + + const matrixWorld = this.matrixWorld; + const raycastTimes = this.count; + + _mesh.geometry = this.geometry; + _mesh.material = this.material; + + if ( _mesh.material === undefined ) return; + + for ( let instanceId = 0; instanceId < raycastTimes; instanceId ++ ) { + + // calculate the world matrix for each instance + + this.getMatrixAt( instanceId, _instanceLocalMatrix ); + + _instanceWorldMatrix.multiplyMatrices( matrixWorld, _instanceLocalMatrix ); + + // the mesh represents this single instance + + _mesh.matrixWorld = _instanceWorldMatrix; + + _mesh.raycast( raycaster, _instanceIntersects ); + + // process the result of raycast + + for ( let i = 0, l = _instanceIntersects.length; i < l; i ++ ) { + + const intersect = _instanceIntersects[ i ]; + intersect.instanceId = instanceId; + intersect.object = this; + intersects.push( intersect ); + + } + + _instanceIntersects.length = 0; + + } + + } + + setColorAt( index, color ) { + + if ( this.instanceColor === null ) { + + this.instanceColor = new InstancedBufferAttribute( new Float32Array( this.instanceMatrix.count * 3 ), 3 ); + + } + + color.toArray( this.instanceColor.array, index * 3 ); + + } + + setMatrixAt( index, matrix ) { + + matrix.toArray( this.instanceMatrix.array, index * 16 ); + + } + + updateMorphTargets() { + + } + + dispose() { + + this.dispatchEvent( { type: 'dispose' } ); + + } + +} + +class LineBasicMaterial extends Material { + + constructor( parameters ) { + + super(); + + this.isLineBasicMaterial = true; + + this.type = 'LineBasicMaterial'; + + this.color = new Color( 0xffffff ); + + this.linewidth = 1; + this.linecap = 'round'; + this.linejoin = 'round'; + + this.fog = true; + + this.setValues( parameters ); + + } + + + copy( source ) { + + super.copy( source ); + + this.color.copy( source.color ); + + this.linewidth = source.linewidth; + this.linecap = source.linecap; + this.linejoin = source.linejoin; + + this.fog = source.fog; + + return this; + + } + +} + +const _start$1 = /*@__PURE__*/ new Vector3(); +const _end$1 = /*@__PURE__*/ new Vector3(); +const _inverseMatrix$1 = /*@__PURE__*/ new Matrix4(); +const _ray$1 = /*@__PURE__*/ new Ray(); +const _sphere$1 = /*@__PURE__*/ new Sphere(); + +class Line extends Object3D { + + constructor( geometry = new BufferGeometry(), material = new LineBasicMaterial() ) { + + super(); + + this.isLine = true; + + this.type = 'Line'; + + this.geometry = geometry; + this.material = material; + + this.updateMorphTargets(); + + } + + copy( source, recursive ) { + + super.copy( source, recursive ); + + this.material = source.material; + this.geometry = source.geometry; + + return this; + + } + + computeLineDistances() { + + const geometry = this.geometry; + + // we assume non-indexed geometry + + if ( geometry.index === null ) { + + const positionAttribute = geometry.attributes.position; + const lineDistances = [ 0 ]; + + for ( let i = 1, l = positionAttribute.count; i < l; i ++ ) { + + _start$1.fromBufferAttribute( positionAttribute, i - 1 ); + _end$1.fromBufferAttribute( positionAttribute, i ); + + lineDistances[ i ] = lineDistances[ i - 1 ]; + lineDistances[ i ] += _start$1.distanceTo( _end$1 ); + + } + + geometry.setAttribute( 'lineDistance', new Float32BufferAttribute( lineDistances, 1 ) ); + + } else { + + console.warn( 'THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.' ); + + } + + return this; + + } + + raycast( raycaster, intersects ) { + + const geometry = this.geometry; + const matrixWorld = this.matrixWorld; + const threshold = raycaster.params.Line.threshold; + const drawRange = geometry.drawRange; + + // Checking boundingSphere distance to ray + + if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); + + _sphere$1.copy( geometry.boundingSphere ); + _sphere$1.applyMatrix4( matrixWorld ); + _sphere$1.radius += threshold; + + if ( raycaster.ray.intersectsSphere( _sphere$1 ) === false ) return; + + // + + _inverseMatrix$1.copy( matrixWorld ).invert(); + _ray$1.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$1 ); + + const localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 ); + const localThresholdSq = localThreshold * localThreshold; + + const vStart = new Vector3(); + const vEnd = new Vector3(); + const interSegment = new Vector3(); + const interRay = new Vector3(); + const step = this.isLineSegments ? 2 : 1; + + const index = geometry.index; + const attributes = geometry.attributes; + const positionAttribute = attributes.position; + + if ( index !== null ) { + + const start = Math.max( 0, drawRange.start ); + const end = Math.min( index.count, ( drawRange.start + drawRange.count ) ); + + for ( let i = start, l = end - 1; i < l; i += step ) { + + const a = index.getX( i ); + const b = index.getX( i + 1 ); + + vStart.fromBufferAttribute( positionAttribute, a ); + vEnd.fromBufferAttribute( positionAttribute, b ); + + const distSq = _ray$1.distanceSqToSegment( vStart, vEnd, interRay, interSegment ); + + if ( distSq > localThresholdSq ) continue; + + interRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation + + const distance = raycaster.ray.origin.distanceTo( interRay ); + + if ( distance < raycaster.near || distance > raycaster.far ) continue; + + intersects.push( { + + distance: distance, + // What do we want? intersection point on the ray or on the segment?? + // point: raycaster.ray.at( distance ), + point: interSegment.clone().applyMatrix4( this.matrixWorld ), + index: i, + face: null, + faceIndex: null, + object: this + + } ); + + } + + } else { + + const start = Math.max( 0, drawRange.start ); + const end = Math.min( positionAttribute.count, ( drawRange.start + drawRange.count ) ); + + for ( let i = start, l = end - 1; i < l; i += step ) { + + vStart.fromBufferAttribute( positionAttribute, i ); + vEnd.fromBufferAttribute( positionAttribute, i + 1 ); + + const distSq = _ray$1.distanceSqToSegment( vStart, vEnd, interRay, interSegment ); + + if ( distSq > localThresholdSq ) continue; + + interRay.applyMatrix4( this.matrixWorld ); //Move back to world space for distance calculation + + const distance = raycaster.ray.origin.distanceTo( interRay ); + + if ( distance < raycaster.near || distance > raycaster.far ) continue; + + intersects.push( { + + distance: distance, + // What do we want? intersection point on the ray or on the segment?? + // point: raycaster.ray.at( distance ), + point: interSegment.clone().applyMatrix4( this.matrixWorld ), + index: i, + face: null, + faceIndex: null, + object: this + + } ); + + } + + } + + } + + updateMorphTargets() { + + const geometry = this.geometry; + + const morphAttributes = geometry.morphAttributes; + const keys = Object.keys( morphAttributes ); + + if ( keys.length > 0 ) { + + const morphAttribute = morphAttributes[ keys[ 0 ] ]; + + if ( morphAttribute !== undefined ) { + + this.morphTargetInfluences = []; + this.morphTargetDictionary = {}; + + for ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) { + + const name = morphAttribute[ m ].name || String( m ); + + this.morphTargetInfluences.push( 0 ); + this.morphTargetDictionary[ name ] = m; + + } + + } + + } + + } + +} + +const _start = /*@__PURE__*/ new Vector3(); +const _end = /*@__PURE__*/ new Vector3(); + +class LineSegments extends Line { + + constructor( geometry, material ) { + + super( geometry, material ); + + this.isLineSegments = true; + + this.type = 'LineSegments'; + + } + + computeLineDistances() { + + const geometry = this.geometry; + + // we assume non-indexed geometry + + if ( geometry.index === null ) { + + const positionAttribute = geometry.attributes.position; + const lineDistances = []; + + for ( let i = 0, l = positionAttribute.count; i < l; i += 2 ) { + + _start.fromBufferAttribute( positionAttribute, i ); + _end.fromBufferAttribute( positionAttribute, i + 1 ); + + lineDistances[ i ] = ( i === 0 ) ? 0 : lineDistances[ i - 1 ]; + lineDistances[ i + 1 ] = lineDistances[ i ] + _start.distanceTo( _end ); + + } + + geometry.setAttribute( 'lineDistance', new Float32BufferAttribute( lineDistances, 1 ) ); + + } else { + + console.warn( 'THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.' ); + + } + + return this; + + } + +} + +class LineLoop extends Line { + + constructor( geometry, material ) { + + super( geometry, material ); + + this.isLineLoop = true; + + this.type = 'LineLoop'; + + } + +} + +class PointsMaterial extends Material { + + constructor( parameters ) { + + super(); + + this.isPointsMaterial = true; + + this.type = 'PointsMaterial'; + + this.color = new Color( 0xffffff ); + + this.map = null; + + this.alphaMap = null; + + this.size = 1; + this.sizeAttenuation = true; + + this.fog = true; + + this.setValues( parameters ); + + } + + copy( source ) { + + super.copy( source ); + + this.color.copy( source.color ); + + this.map = source.map; + + this.alphaMap = source.alphaMap; + + this.size = source.size; + this.sizeAttenuation = source.sizeAttenuation; + + this.fog = source.fog; + + return this; + + } + +} + +const _inverseMatrix = /*@__PURE__*/ new Matrix4(); +const _ray = /*@__PURE__*/ new Ray(); +const _sphere = /*@__PURE__*/ new Sphere(); +const _position$2 = /*@__PURE__*/ new Vector3(); + +class Points extends Object3D { + + constructor( geometry = new BufferGeometry(), material = new PointsMaterial() ) { + + super(); + + this.isPoints = true; + + this.type = 'Points'; + + this.geometry = geometry; + this.material = material; + + this.updateMorphTargets(); + + } + + copy( source, recursive ) { + + super.copy( source, recursive ); + + this.material = source.material; + this.geometry = source.geometry; + + return this; + + } + + raycast( raycaster, intersects ) { + + const geometry = this.geometry; + const matrixWorld = this.matrixWorld; + const threshold = raycaster.params.Points.threshold; + const drawRange = geometry.drawRange; + + // Checking boundingSphere distance to ray + + if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); + + _sphere.copy( geometry.boundingSphere ); + _sphere.applyMatrix4( matrixWorld ); + _sphere.radius += threshold; + + if ( raycaster.ray.intersectsSphere( _sphere ) === false ) return; + + // + + _inverseMatrix.copy( matrixWorld ).invert(); + _ray.copy( raycaster.ray ).applyMatrix4( _inverseMatrix ); + + const localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 ); + const localThresholdSq = localThreshold * localThreshold; + + const index = geometry.index; + const attributes = geometry.attributes; + const positionAttribute = attributes.position; + + if ( index !== null ) { + + const start = Math.max( 0, drawRange.start ); + const end = Math.min( index.count, ( drawRange.start + drawRange.count ) ); + + for ( let i = start, il = end; i < il; i ++ ) { + + const a = index.getX( i ); + + _position$2.fromBufferAttribute( positionAttribute, a ); + + testPoint( _position$2, a, localThresholdSq, matrixWorld, raycaster, intersects, this ); + + } + + } else { + + const start = Math.max( 0, drawRange.start ); + const end = Math.min( positionAttribute.count, ( drawRange.start + drawRange.count ) ); + + for ( let i = start, l = end; i < l; i ++ ) { + + _position$2.fromBufferAttribute( positionAttribute, i ); + + testPoint( _position$2, i, localThresholdSq, matrixWorld, raycaster, intersects, this ); + + } + + } + + } + + updateMorphTargets() { + + const geometry = this.geometry; + + const morphAttributes = geometry.morphAttributes; + const keys = Object.keys( morphAttributes ); + + if ( keys.length > 0 ) { + + const morphAttribute = morphAttributes[ keys[ 0 ] ]; + + if ( morphAttribute !== undefined ) { + + this.morphTargetInfluences = []; + this.morphTargetDictionary = {}; + + for ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) { + + const name = morphAttribute[ m ].name || String( m ); + + this.morphTargetInfluences.push( 0 ); + this.morphTargetDictionary[ name ] = m; + + } + + } + + } + + } + +} + +function testPoint( point, index, localThresholdSq, matrixWorld, raycaster, intersects, object ) { + + const rayPointDistanceSq = _ray.distanceSqToPoint( point ); + + if ( rayPointDistanceSq < localThresholdSq ) { + + const intersectPoint = new Vector3(); + + _ray.closestPointToPoint( point, intersectPoint ); + intersectPoint.applyMatrix4( matrixWorld ); + + const distance = raycaster.ray.origin.distanceTo( intersectPoint ); + + if ( distance < raycaster.near || distance > raycaster.far ) return; + + intersects.push( { + + distance: distance, + distanceToRay: Math.sqrt( rayPointDistanceSq ), + point: intersectPoint, + index: index, + face: null, + object: object + + } ); + + } + +} + +class VideoTexture extends Texture { + + constructor( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) { + + super( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ); + + this.isVideoTexture = true; + + this.minFilter = minFilter !== undefined ? minFilter : LinearFilter; + this.magFilter = magFilter !== undefined ? magFilter : LinearFilter; + + this.generateMipmaps = false; + + const scope = this; + + function updateVideo() { + + scope.needsUpdate = true; + video.requestVideoFrameCallback( updateVideo ); + + } + + if ( 'requestVideoFrameCallback' in video ) { + + video.requestVideoFrameCallback( updateVideo ); + + } + + } + + clone() { + + return new this.constructor( this.image ).copy( this ); + + } + + update() { + + const video = this.image; + const hasVideoFrameCallback = 'requestVideoFrameCallback' in video; + + if ( hasVideoFrameCallback === false && video.readyState >= video.HAVE_CURRENT_DATA ) { + + this.needsUpdate = true; + + } + + } + +} + +class FramebufferTexture extends Texture { + + constructor( width, height, format ) { + + super( { width, height } ); + + this.isFramebufferTexture = true; + + this.format = format; + + this.magFilter = NearestFilter; + this.minFilter = NearestFilter; + + this.generateMipmaps = false; + + this.needsUpdate = true; + + } + +} + +class CompressedTexture extends Texture { + + constructor( mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, encoding ) { + + super( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, encoding ); + + this.isCompressedTexture = true; + + this.image = { width: width, height: height }; + this.mipmaps = mipmaps; + + // no flipping for cube textures + // (also flipping doesn't work for compressed textures ) + + this.flipY = false; + + // can't generate mipmaps for compressed textures + // mips must be embedded in DDS files + + this.generateMipmaps = false; + + } + +} + +class CanvasTexture extends Texture { + + constructor( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) { + + super( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ); + + this.isCanvasTexture = true; + + this.needsUpdate = true; + + } + +} + +/** + * Extensible curve object. + * + * Some common of curve methods: + * .getPoint( t, optionalTarget ), .getTangent( t, optionalTarget ) + * .getPointAt( u, optionalTarget ), .getTangentAt( u, optionalTarget ) + * .getPoints(), .getSpacedPoints() + * .getLength() + * .updateArcLengths() + * + * This following curves inherit from THREE.Curve: + * + * -- 2D curves -- + * THREE.ArcCurve + * THREE.CubicBezierCurve + * THREE.EllipseCurve + * THREE.LineCurve + * THREE.QuadraticBezierCurve + * THREE.SplineCurve + * + * -- 3D curves -- + * THREE.CatmullRomCurve3 + * THREE.CubicBezierCurve3 + * THREE.LineCurve3 + * THREE.QuadraticBezierCurve3 + * + * A series of curves can be represented as a THREE.CurvePath. + * + **/ + +class Curve { + + constructor() { + + this.type = 'Curve'; + + this.arcLengthDivisions = 200; + + } + + // Virtual base class method to overwrite and implement in subclasses + // - t [0 .. 1] + + getPoint( /* t, optionalTarget */ ) { + + console.warn( 'THREE.Curve: .getPoint() not implemented.' ); + return null; + + } + + // Get point at relative position in curve according to arc length + // - u [0 .. 1] + + getPointAt( u, optionalTarget ) { + + const t = this.getUtoTmapping( u ); + return this.getPoint( t, optionalTarget ); + + } + + // Get sequence of points using getPoint( t ) + + getPoints( divisions = 5 ) { + + const points = []; + + for ( let d = 0; d <= divisions; d ++ ) { + + points.push( this.getPoint( d / divisions ) ); + + } + + return points; + + } + + // Get sequence of points using getPointAt( u ) + + getSpacedPoints( divisions = 5 ) { + + const points = []; + + for ( let d = 0; d <= divisions; d ++ ) { + + points.push( this.getPointAt( d / divisions ) ); + + } + + return points; + + } + + // Get total curve arc length + + getLength() { + + const lengths = this.getLengths(); + return lengths[ lengths.length - 1 ]; + + } + + // Get list of cumulative segment lengths + + getLengths( divisions = this.arcLengthDivisions ) { + + if ( this.cacheArcLengths && + ( this.cacheArcLengths.length === divisions + 1 ) && + ! this.needsUpdate ) { + + return this.cacheArcLengths; + + } + + this.needsUpdate = false; + + const cache = []; + let current, last = this.getPoint( 0 ); + let sum = 0; + + cache.push( 0 ); + + for ( let p = 1; p <= divisions; p ++ ) { + + current = this.getPoint( p / divisions ); + sum += current.distanceTo( last ); + cache.push( sum ); + last = current; + + } + + this.cacheArcLengths = cache; + + return cache; // { sums: cache, sum: sum }; Sum is in the last element. + + } + + updateArcLengths() { + + this.needsUpdate = true; + this.getLengths(); + + } + + // Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant + + getUtoTmapping( u, distance ) { + + const arcLengths = this.getLengths(); + + let i = 0; + const il = arcLengths.length; + + let targetArcLength; // The targeted u distance value to get + + if ( distance ) { + + targetArcLength = distance; + + } else { + + targetArcLength = u * arcLengths[ il - 1 ]; + + } + + // binary search for the index with largest value smaller than target u distance + + let low = 0, high = il - 1, comparison; + + while ( low <= high ) { + + i = Math.floor( low + ( high - low ) / 2 ); // less likely to overflow, though probably not issue here, JS doesn't really have integers, all numbers are floats + + comparison = arcLengths[ i ] - targetArcLength; + + if ( comparison < 0 ) { + + low = i + 1; + + } else if ( comparison > 0 ) { + + high = i - 1; + + } else { + + high = i; + break; + + // DONE + + } + + } + + i = high; + + if ( arcLengths[ i ] === targetArcLength ) { + + return i / ( il - 1 ); + + } + + // we could get finer grain at lengths, or use simple interpolation between two points + + const lengthBefore = arcLengths[ i ]; + const lengthAfter = arcLengths[ i + 1 ]; + + const segmentLength = lengthAfter - lengthBefore; + + // determine where we are between the 'before' and 'after' points + + const segmentFraction = ( targetArcLength - lengthBefore ) / segmentLength; + + // add that fractional amount to t + + const t = ( i + segmentFraction ) / ( il - 1 ); + + return t; + + } + + // Returns a unit vector tangent at t + // In case any sub curve does not implement its tangent derivation, + // 2 points a small delta apart will be used to find its gradient + // which seems to give a reasonable approximation + + getTangent( t, optionalTarget ) { + + const delta = 0.0001; + let t1 = t - delta; + let t2 = t + delta; + + // Capping in case of danger + + if ( t1 < 0 ) t1 = 0; + if ( t2 > 1 ) t2 = 1; + + const pt1 = this.getPoint( t1 ); + const pt2 = this.getPoint( t2 ); + + const tangent = optionalTarget || ( ( pt1.isVector2 ) ? new Vector2() : new Vector3() ); + + tangent.copy( pt2 ).sub( pt1 ).normalize(); + + return tangent; + + } + + getTangentAt( u, optionalTarget ) { + + const t = this.getUtoTmapping( u ); + return this.getTangent( t, optionalTarget ); + + } + + computeFrenetFrames( segments, closed ) { + + // see http://www.cs.indiana.edu/pub/techreports/TR425.pdf + + const normal = new Vector3(); + + const tangents = []; + const normals = []; + const binormals = []; + + const vec = new Vector3(); + const mat = new Matrix4(); + + // compute the tangent vectors for each segment on the curve + + for ( let i = 0; i <= segments; i ++ ) { + + const u = i / segments; + + tangents[ i ] = this.getTangentAt( u, new Vector3() ); + + } + + // select an initial normal vector perpendicular to the first tangent vector, + // and in the direction of the minimum tangent xyz component + + normals[ 0 ] = new Vector3(); + binormals[ 0 ] = new Vector3(); + let min = Number.MAX_VALUE; + const tx = Math.abs( tangents[ 0 ].x ); + const ty = Math.abs( tangents[ 0 ].y ); + const tz = Math.abs( tangents[ 0 ].z ); + + if ( tx <= min ) { + + min = tx; + normal.set( 1, 0, 0 ); + + } + + if ( ty <= min ) { + + min = ty; + normal.set( 0, 1, 0 ); + + } + + if ( tz <= min ) { + + normal.set( 0, 0, 1 ); + + } + + vec.crossVectors( tangents[ 0 ], normal ).normalize(); + + normals[ 0 ].crossVectors( tangents[ 0 ], vec ); + binormals[ 0 ].crossVectors( tangents[ 0 ], normals[ 0 ] ); + + + // compute the slowly-varying normal and binormal vectors for each segment on the curve + + for ( let i = 1; i <= segments; i ++ ) { + + normals[ i ] = normals[ i - 1 ].clone(); + + binormals[ i ] = binormals[ i - 1 ].clone(); + + vec.crossVectors( tangents[ i - 1 ], tangents[ i ] ); + + if ( vec.length() > Number.EPSILON ) { + + vec.normalize(); + + const theta = Math.acos( clamp( tangents[ i - 1 ].dot( tangents[ i ] ), - 1, 1 ) ); // clamp for floating pt errors + + normals[ i ].applyMatrix4( mat.makeRotationAxis( vec, theta ) ); + + } + + binormals[ i ].crossVectors( tangents[ i ], normals[ i ] ); + + } + + // if the curve is closed, postprocess the vectors so the first and last normal vectors are the same + + if ( closed === true ) { + + let theta = Math.acos( clamp( normals[ 0 ].dot( normals[ segments ] ), - 1, 1 ) ); + theta /= segments; + + if ( tangents[ 0 ].dot( vec.crossVectors( normals[ 0 ], normals[ segments ] ) ) > 0 ) { + + theta = - theta; + + } + + for ( let i = 1; i <= segments; i ++ ) { + + // twist a little... + normals[ i ].applyMatrix4( mat.makeRotationAxis( tangents[ i ], theta * i ) ); + binormals[ i ].crossVectors( tangents[ i ], normals[ i ] ); + + } + + } + + return { + tangents: tangents, + normals: normals, + binormals: binormals + }; + + } + + clone() { + + return new this.constructor().copy( this ); + + } + + copy( source ) { + + this.arcLengthDivisions = source.arcLengthDivisions; + + return this; + + } + + toJSON() { + + const data = { + metadata: { + version: 4.5, + type: 'Curve', + generator: 'Curve.toJSON' + } + }; + + data.arcLengthDivisions = this.arcLengthDivisions; + data.type = this.type; + + return data; + + } + + fromJSON( json ) { + + this.arcLengthDivisions = json.arcLengthDivisions; + + return this; + + } + +} + +class EllipseCurve extends Curve { + + constructor( aX = 0, aY = 0, xRadius = 1, yRadius = 1, aStartAngle = 0, aEndAngle = Math.PI * 2, aClockwise = false, aRotation = 0 ) { + + super(); + + this.isEllipseCurve = true; + + this.type = 'EllipseCurve'; + + this.aX = aX; + this.aY = aY; + + this.xRadius = xRadius; + this.yRadius = yRadius; + + this.aStartAngle = aStartAngle; + this.aEndAngle = aEndAngle; + + this.aClockwise = aClockwise; + + this.aRotation = aRotation; + + } + + getPoint( t, optionalTarget ) { + + const point = optionalTarget || new Vector2(); + + const twoPi = Math.PI * 2; + let deltaAngle = this.aEndAngle - this.aStartAngle; + const samePoints = Math.abs( deltaAngle ) < Number.EPSILON; + + // ensures that deltaAngle is 0 .. 2 PI + while ( deltaAngle < 0 ) deltaAngle += twoPi; + while ( deltaAngle > twoPi ) deltaAngle -= twoPi; + + if ( deltaAngle < Number.EPSILON ) { + + if ( samePoints ) { + + deltaAngle = 0; + + } else { + + deltaAngle = twoPi; + + } + + } + + if ( this.aClockwise === true && ! samePoints ) { + + if ( deltaAngle === twoPi ) { + + deltaAngle = - twoPi; + + } else { + + deltaAngle = deltaAngle - twoPi; + + } + + } + + const angle = this.aStartAngle + t * deltaAngle; + let x = this.aX + this.xRadius * Math.cos( angle ); + let y = this.aY + this.yRadius * Math.sin( angle ); + + if ( this.aRotation !== 0 ) { + + const cos = Math.cos( this.aRotation ); + const sin = Math.sin( this.aRotation ); + + const tx = x - this.aX; + const ty = y - this.aY; + + // Rotate the point about the center of the ellipse. + x = tx * cos - ty * sin + this.aX; + y = tx * sin + ty * cos + this.aY; + + } + + return point.set( x, y ); + + } + + copy( source ) { + + super.copy( source ); + + this.aX = source.aX; + this.aY = source.aY; + + this.xRadius = source.xRadius; + this.yRadius = source.yRadius; + + this.aStartAngle = source.aStartAngle; + this.aEndAngle = source.aEndAngle; + + this.aClockwise = source.aClockwise; + + this.aRotation = source.aRotation; + + return this; + + } + + toJSON() { + + const data = super.toJSON(); + + data.aX = this.aX; + data.aY = this.aY; + + data.xRadius = this.xRadius; + data.yRadius = this.yRadius; + + data.aStartAngle = this.aStartAngle; + data.aEndAngle = this.aEndAngle; + + data.aClockwise = this.aClockwise; + + data.aRotation = this.aRotation; + + return data; + + } + + fromJSON( json ) { + + super.fromJSON( json ); + + this.aX = json.aX; + this.aY = json.aY; + + this.xRadius = json.xRadius; + this.yRadius = json.yRadius; + + this.aStartAngle = json.aStartAngle; + this.aEndAngle = json.aEndAngle; + + this.aClockwise = json.aClockwise; + + this.aRotation = json.aRotation; + + return this; + + } + +} + +class ArcCurve extends EllipseCurve { + + constructor( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) { + + super( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise ); + + this.isArcCurve = true; + + this.type = 'ArcCurve'; + + } + +} + +/** + * Centripetal CatmullRom Curve - which is useful for avoiding + * cusps and self-intersections in non-uniform catmull rom curves. + * http://www.cemyuksel.com/research/catmullrom_param/catmullrom.pdf + * + * curve.type accepts centripetal(default), chordal and catmullrom + * curve.tension is used for catmullrom which defaults to 0.5 + */ + + +/* +Based on an optimized c++ solution in + - http://stackoverflow.com/questions/9489736/catmull-rom-curve-with-no-cusps-and-no-self-intersections/ + - http://ideone.com/NoEbVM + +This CubicPoly class could be used for reusing some variables and calculations, +but for three.js curve use, it could be possible inlined and flatten into a single function call +which can be placed in CurveUtils. +*/ + +function CubicPoly() { + + let c0 = 0, c1 = 0, c2 = 0, c3 = 0; + + /* + * Compute coefficients for a cubic polynomial + * p(s) = c0 + c1*s + c2*s^2 + c3*s^3 + * such that + * p(0) = x0, p(1) = x1 + * and + * p'(0) = t0, p'(1) = t1. + */ + function init( x0, x1, t0, t1 ) { + + c0 = x0; + c1 = t0; + c2 = - 3 * x0 + 3 * x1 - 2 * t0 - t1; + c3 = 2 * x0 - 2 * x1 + t0 + t1; + + } + + return { + + initCatmullRom: function ( x0, x1, x2, x3, tension ) { + + init( x1, x2, tension * ( x2 - x0 ), tension * ( x3 - x1 ) ); + + }, + + initNonuniformCatmullRom: function ( x0, x1, x2, x3, dt0, dt1, dt2 ) { + + // compute tangents when parameterized in [t1,t2] + let t1 = ( x1 - x0 ) / dt0 - ( x2 - x0 ) / ( dt0 + dt1 ) + ( x2 - x1 ) / dt1; + let t2 = ( x2 - x1 ) / dt1 - ( x3 - x1 ) / ( dt1 + dt2 ) + ( x3 - x2 ) / dt2; + + // rescale tangents for parametrization in [0,1] + t1 *= dt1; + t2 *= dt1; + + init( x1, x2, t1, t2 ); + + }, + + calc: function ( t ) { + + const t2 = t * t; + const t3 = t2 * t; + return c0 + c1 * t + c2 * t2 + c3 * t3; + + } + + }; + +} + +// + +const tmp = /*@__PURE__*/ new Vector3(); +const px = /*@__PURE__*/ new CubicPoly(); +const py = /*@__PURE__*/ new CubicPoly(); +const pz = /*@__PURE__*/ new CubicPoly(); + +class CatmullRomCurve3 extends Curve { + + constructor( points = [], closed = false, curveType = 'centripetal', tension = 0.5 ) { + + super(); + + this.isCatmullRomCurve3 = true; + + this.type = 'CatmullRomCurve3'; + + this.points = points; + this.closed = closed; + this.curveType = curveType; + this.tension = tension; + + } + + getPoint( t, optionalTarget = new Vector3() ) { + + const point = optionalTarget; + + const points = this.points; + const l = points.length; + + const p = ( l - ( this.closed ? 0 : 1 ) ) * t; + let intPoint = Math.floor( p ); + let weight = p - intPoint; + + if ( this.closed ) { + + intPoint += intPoint > 0 ? 0 : ( Math.floor( Math.abs( intPoint ) / l ) + 1 ) * l; + + } else if ( weight === 0 && intPoint === l - 1 ) { + + intPoint = l - 2; + weight = 1; + + } + + let p0, p3; // 4 points (p1 & p2 defined below) + + if ( this.closed || intPoint > 0 ) { + + p0 = points[ ( intPoint - 1 ) % l ]; + + } else { + + // extrapolate first point + tmp.subVectors( points[ 0 ], points[ 1 ] ).add( points[ 0 ] ); + p0 = tmp; + + } + + const p1 = points[ intPoint % l ]; + const p2 = points[ ( intPoint + 1 ) % l ]; + + if ( this.closed || intPoint + 2 < l ) { + + p3 = points[ ( intPoint + 2 ) % l ]; + + } else { + + // extrapolate last point + tmp.subVectors( points[ l - 1 ], points[ l - 2 ] ).add( points[ l - 1 ] ); + p3 = tmp; + + } + + if ( this.curveType === 'centripetal' || this.curveType === 'chordal' ) { + + // init Centripetal / Chordal Catmull-Rom + const pow = this.curveType === 'chordal' ? 0.5 : 0.25; + let dt0 = Math.pow( p0.distanceToSquared( p1 ), pow ); + let dt1 = Math.pow( p1.distanceToSquared( p2 ), pow ); + let dt2 = Math.pow( p2.distanceToSquared( p3 ), pow ); + + // safety check for repeated points + if ( dt1 < 1e-4 ) dt1 = 1.0; + if ( dt0 < 1e-4 ) dt0 = dt1; + if ( dt2 < 1e-4 ) dt2 = dt1; + + px.initNonuniformCatmullRom( p0.x, p1.x, p2.x, p3.x, dt0, dt1, dt2 ); + py.initNonuniformCatmullRom( p0.y, p1.y, p2.y, p3.y, dt0, dt1, dt2 ); + pz.initNonuniformCatmullRom( p0.z, p1.z, p2.z, p3.z, dt0, dt1, dt2 ); + + } else if ( this.curveType === 'catmullrom' ) { + + px.initCatmullRom( p0.x, p1.x, p2.x, p3.x, this.tension ); + py.initCatmullRom( p0.y, p1.y, p2.y, p3.y, this.tension ); + pz.initCatmullRom( p0.z, p1.z, p2.z, p3.z, this.tension ); + + } + + point.set( + px.calc( weight ), + py.calc( weight ), + pz.calc( weight ) + ); + + return point; + + } + + copy( source ) { + + super.copy( source ); + + this.points = []; + + for ( let i = 0, l = source.points.length; i < l; i ++ ) { + + const point = source.points[ i ]; + + this.points.push( point.clone() ); + + } + + this.closed = source.closed; + this.curveType = source.curveType; + this.tension = source.tension; + + return this; + + } + + toJSON() { + + const data = super.toJSON(); + + data.points = []; + + for ( let i = 0, l = this.points.length; i < l; i ++ ) { + + const point = this.points[ i ]; + data.points.push( point.toArray() ); + + } + + data.closed = this.closed; + data.curveType = this.curveType; + data.tension = this.tension; + + return data; + + } + + fromJSON( json ) { + + super.fromJSON( json ); + + this.points = []; + + for ( let i = 0, l = json.points.length; i < l; i ++ ) { + + const point = json.points[ i ]; + this.points.push( new Vector3().fromArray( point ) ); + + } + + this.closed = json.closed; + this.curveType = json.curveType; + this.tension = json.tension; + + return this; + + } + +} + +/** + * Bezier Curves formulas obtained from + * https://en.wikipedia.org/wiki/B%C3%A9zier_curve + */ + +function CatmullRom( t, p0, p1, p2, p3 ) { + + const v0 = ( p2 - p0 ) * 0.5; + const v1 = ( p3 - p1 ) * 0.5; + const t2 = t * t; + const t3 = t * t2; + return ( 2 * p1 - 2 * p2 + v0 + v1 ) * t3 + ( - 3 * p1 + 3 * p2 - 2 * v0 - v1 ) * t2 + v0 * t + p1; + +} + +// + +function QuadraticBezierP0( t, p ) { + + const k = 1 - t; + return k * k * p; + +} + +function QuadraticBezierP1( t, p ) { + + return 2 * ( 1 - t ) * t * p; + +} + +function QuadraticBezierP2( t, p ) { + + return t * t * p; + +} + +function QuadraticBezier( t, p0, p1, p2 ) { + + return QuadraticBezierP0( t, p0 ) + QuadraticBezierP1( t, p1 ) + + QuadraticBezierP2( t, p2 ); + +} + +// + +function CubicBezierP0( t, p ) { + + const k = 1 - t; + return k * k * k * p; + +} + +function CubicBezierP1( t, p ) { + + const k = 1 - t; + return 3 * k * k * t * p; + +} + +function CubicBezierP2( t, p ) { + + return 3 * ( 1 - t ) * t * t * p; + +} + +function CubicBezierP3( t, p ) { + + return t * t * t * p; + +} + +function CubicBezier( t, p0, p1, p2, p3 ) { + + return CubicBezierP0( t, p0 ) + CubicBezierP1( t, p1 ) + CubicBezierP2( t, p2 ) + + CubicBezierP3( t, p3 ); + +} + +class CubicBezierCurve extends Curve { + + constructor( v0 = new Vector2(), v1 = new Vector2(), v2 = new Vector2(), v3 = new Vector2() ) { + + super(); + + this.isCubicBezierCurve = true; + + this.type = 'CubicBezierCurve'; + + this.v0 = v0; + this.v1 = v1; + this.v2 = v2; + this.v3 = v3; + + } + + getPoint( t, optionalTarget = new Vector2() ) { + + const point = optionalTarget; + + const v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3; + + point.set( + CubicBezier( t, v0.x, v1.x, v2.x, v3.x ), + CubicBezier( t, v0.y, v1.y, v2.y, v3.y ) + ); + + return point; + + } + + copy( source ) { + + super.copy( source ); + + this.v0.copy( source.v0 ); + this.v1.copy( source.v1 ); + this.v2.copy( source.v2 ); + this.v3.copy( source.v3 ); + + return this; + + } + + toJSON() { + + const data = super.toJSON(); + + data.v0 = this.v0.toArray(); + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + data.v3 = this.v3.toArray(); + + return data; + + } + + fromJSON( json ) { + + super.fromJSON( json ); + + this.v0.fromArray( json.v0 ); + this.v1.fromArray( json.v1 ); + this.v2.fromArray( json.v2 ); + this.v3.fromArray( json.v3 ); + + return this; + + } + +} + +class CubicBezierCurve3 extends Curve { + + constructor( v0 = new Vector3(), v1 = new Vector3(), v2 = new Vector3(), v3 = new Vector3() ) { + + super(); + + this.isCubicBezierCurve3 = true; + + this.type = 'CubicBezierCurve3'; + + this.v0 = v0; + this.v1 = v1; + this.v2 = v2; + this.v3 = v3; + + } + + getPoint( t, optionalTarget = new Vector3() ) { + + const point = optionalTarget; + + const v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3; + + point.set( + CubicBezier( t, v0.x, v1.x, v2.x, v3.x ), + CubicBezier( t, v0.y, v1.y, v2.y, v3.y ), + CubicBezier( t, v0.z, v1.z, v2.z, v3.z ) + ); + + return point; + + } + + copy( source ) { + + super.copy( source ); + + this.v0.copy( source.v0 ); + this.v1.copy( source.v1 ); + this.v2.copy( source.v2 ); + this.v3.copy( source.v3 ); + + return this; + + } + + toJSON() { + + const data = super.toJSON(); + + data.v0 = this.v0.toArray(); + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + data.v3 = this.v3.toArray(); + + return data; + + } + + fromJSON( json ) { + + super.fromJSON( json ); + + this.v0.fromArray( json.v0 ); + this.v1.fromArray( json.v1 ); + this.v2.fromArray( json.v2 ); + this.v3.fromArray( json.v3 ); + + return this; + + } + +} + +class LineCurve extends Curve { + + constructor( v1 = new Vector2(), v2 = new Vector2() ) { + + super(); + + this.isLineCurve = true; + + this.type = 'LineCurve'; + + this.v1 = v1; + this.v2 = v2; + + } + + getPoint( t, optionalTarget = new Vector2() ) { + + const point = optionalTarget; + + if ( t === 1 ) { + + point.copy( this.v2 ); + + } else { + + point.copy( this.v2 ).sub( this.v1 ); + point.multiplyScalar( t ).add( this.v1 ); + + } + + return point; + + } + + // Line curve is linear, so we can overwrite default getPointAt + getPointAt( u, optionalTarget ) { + + return this.getPoint( u, optionalTarget ); + + } + + getTangent( t, optionalTarget ) { + + const tangent = optionalTarget || new Vector2(); + + tangent.copy( this.v2 ).sub( this.v1 ).normalize(); + + return tangent; + + } + + copy( source ) { + + super.copy( source ); + + this.v1.copy( source.v1 ); + this.v2.copy( source.v2 ); + + return this; + + } + + toJSON() { + + const data = super.toJSON(); + + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + + return data; + + } + + fromJSON( json ) { + + super.fromJSON( json ); + + this.v1.fromArray( json.v1 ); + this.v2.fromArray( json.v2 ); + + return this; + + } + +} + +class LineCurve3 extends Curve { + + constructor( v1 = new Vector3(), v2 = new Vector3() ) { + + super(); + + this.isLineCurve3 = true; + + this.type = 'LineCurve3'; + + this.v1 = v1; + this.v2 = v2; + + } + getPoint( t, optionalTarget = new Vector3() ) { + + const point = optionalTarget; + + if ( t === 1 ) { + + point.copy( this.v2 ); + + } else { + + point.copy( this.v2 ).sub( this.v1 ); + point.multiplyScalar( t ).add( this.v1 ); + + } + + return point; + + } + // Line curve is linear, so we can overwrite default getPointAt + getPointAt( u, optionalTarget ) { + + return this.getPoint( u, optionalTarget ); + + } + copy( source ) { + + super.copy( source ); + + this.v1.copy( source.v1 ); + this.v2.copy( source.v2 ); + + return this; + + } + toJSON() { + + const data = super.toJSON(); + + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + + return data; + + } + fromJSON( json ) { + + super.fromJSON( json ); + + this.v1.fromArray( json.v1 ); + this.v2.fromArray( json.v2 ); + + return this; + + } + +} + +class QuadraticBezierCurve extends Curve { + + constructor( v0 = new Vector2(), v1 = new Vector2(), v2 = new Vector2() ) { + + super(); + + this.isQuadraticBezierCurve = true; + + this.type = 'QuadraticBezierCurve'; + + this.v0 = v0; + this.v1 = v1; + this.v2 = v2; + + } + + getPoint( t, optionalTarget = new Vector2() ) { + + const point = optionalTarget; + + const v0 = this.v0, v1 = this.v1, v2 = this.v2; + + point.set( + QuadraticBezier( t, v0.x, v1.x, v2.x ), + QuadraticBezier( t, v0.y, v1.y, v2.y ) + ); + + return point; + + } + + copy( source ) { + + super.copy( source ); + + this.v0.copy( source.v0 ); + this.v1.copy( source.v1 ); + this.v2.copy( source.v2 ); + + return this; + + } + + toJSON() { + + const data = super.toJSON(); + + data.v0 = this.v0.toArray(); + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + + return data; + + } + + fromJSON( json ) { + + super.fromJSON( json ); + + this.v0.fromArray( json.v0 ); + this.v1.fromArray( json.v1 ); + this.v2.fromArray( json.v2 ); + + return this; + + } + +} + +class QuadraticBezierCurve3 extends Curve { + + constructor( v0 = new Vector3(), v1 = new Vector3(), v2 = new Vector3() ) { + + super(); + + this.isQuadraticBezierCurve3 = true; + + this.type = 'QuadraticBezierCurve3'; + + this.v0 = v0; + this.v1 = v1; + this.v2 = v2; + + } + + getPoint( t, optionalTarget = new Vector3() ) { + + const point = optionalTarget; + + const v0 = this.v0, v1 = this.v1, v2 = this.v2; + + point.set( + QuadraticBezier( t, v0.x, v1.x, v2.x ), + QuadraticBezier( t, v0.y, v1.y, v2.y ), + QuadraticBezier( t, v0.z, v1.z, v2.z ) + ); + + return point; + + } + + copy( source ) { + + super.copy( source ); + + this.v0.copy( source.v0 ); + this.v1.copy( source.v1 ); + this.v2.copy( source.v2 ); + + return this; + + } + + toJSON() { + + const data = super.toJSON(); + + data.v0 = this.v0.toArray(); + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + + return data; + + } + + fromJSON( json ) { + + super.fromJSON( json ); + + this.v0.fromArray( json.v0 ); + this.v1.fromArray( json.v1 ); + this.v2.fromArray( json.v2 ); + + return this; + + } + +} + +class SplineCurve extends Curve { + + constructor( points = [] ) { + + super(); + + this.isSplineCurve = true; + + this.type = 'SplineCurve'; + + this.points = points; + + } + + getPoint( t, optionalTarget = new Vector2() ) { + + const point = optionalTarget; + + const points = this.points; + const p = ( points.length - 1 ) * t; + + const intPoint = Math.floor( p ); + const weight = p - intPoint; + + const p0 = points[ intPoint === 0 ? intPoint : intPoint - 1 ]; + const p1 = points[ intPoint ]; + const p2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ]; + const p3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ]; + + point.set( + CatmullRom( weight, p0.x, p1.x, p2.x, p3.x ), + CatmullRom( weight, p0.y, p1.y, p2.y, p3.y ) + ); + + return point; + + } + + copy( source ) { + + super.copy( source ); + + this.points = []; + + for ( let i = 0, l = source.points.length; i < l; i ++ ) { + + const point = source.points[ i ]; + + this.points.push( point.clone() ); + + } + + return this; + + } + + toJSON() { + + const data = super.toJSON(); + + data.points = []; + + for ( let i = 0, l = this.points.length; i < l; i ++ ) { + + const point = this.points[ i ]; + data.points.push( point.toArray() ); + + } + + return data; + + } + + fromJSON( json ) { + + super.fromJSON( json ); + + this.points = []; + + for ( let i = 0, l = json.points.length; i < l; i ++ ) { + + const point = json.points[ i ]; + this.points.push( new Vector2().fromArray( point ) ); + + } + + return this; + + } + +} + +var Curves = /*#__PURE__*/Object.freeze({ + __proto__: null, + ArcCurve: ArcCurve, + CatmullRomCurve3: CatmullRomCurve3, + CubicBezierCurve: CubicBezierCurve, + CubicBezierCurve3: CubicBezierCurve3, + EllipseCurve: EllipseCurve, + LineCurve: LineCurve, + LineCurve3: LineCurve3, + QuadraticBezierCurve: QuadraticBezierCurve, + QuadraticBezierCurve3: QuadraticBezierCurve3, + SplineCurve: SplineCurve +}); + +/************************************************************** + * Curved Path - a curve path is simply a array of connected + * curves, but retains the api of a curve + **************************************************************/ + +class CurvePath extends Curve { + + constructor() { + + super(); + + this.type = 'CurvePath'; + + this.curves = []; + this.autoClose = false; // Automatically closes the path + + } + + add( curve ) { + + this.curves.push( curve ); + + } + + closePath() { + + // Add a line curve if start and end of lines are not connected + const startPoint = this.curves[ 0 ].getPoint( 0 ); + const endPoint = this.curves[ this.curves.length - 1 ].getPoint( 1 ); + + if ( ! startPoint.equals( endPoint ) ) { + + this.curves.push( new LineCurve( endPoint, startPoint ) ); + + } + + } + + // To get accurate point with reference to + // entire path distance at time t, + // following has to be done: + + // 1. Length of each sub path have to be known + // 2. Locate and identify type of curve + // 3. Get t for the curve + // 4. Return curve.getPointAt(t') + + getPoint( t, optionalTarget ) { + + const d = t * this.getLength(); + const curveLengths = this.getCurveLengths(); + let i = 0; + + // To think about boundaries points. + + while ( i < curveLengths.length ) { + + if ( curveLengths[ i ] >= d ) { + + const diff = curveLengths[ i ] - d; + const curve = this.curves[ i ]; + + const segmentLength = curve.getLength(); + const u = segmentLength === 0 ? 0 : 1 - diff / segmentLength; + + return curve.getPointAt( u, optionalTarget ); + + } + + i ++; + + } + + return null; + + // loop where sum != 0, sum > d , sum+1 1 && ! points[ points.length - 1 ].equals( points[ 0 ] ) ) { + + points.push( points[ 0 ] ); + + } + + return points; + + } + + copy( source ) { + + super.copy( source ); + + this.curves = []; + + for ( let i = 0, l = source.curves.length; i < l; i ++ ) { + + const curve = source.curves[ i ]; + + this.curves.push( curve.clone() ); + + } + + this.autoClose = source.autoClose; + + return this; + + } + + toJSON() { + + const data = super.toJSON(); + + data.autoClose = this.autoClose; + data.curves = []; + + for ( let i = 0, l = this.curves.length; i < l; i ++ ) { + + const curve = this.curves[ i ]; + data.curves.push( curve.toJSON() ); + + } + + return data; + + } + + fromJSON( json ) { + + super.fromJSON( json ); + + this.autoClose = json.autoClose; + this.curves = []; + + for ( let i = 0, l = json.curves.length; i < l; i ++ ) { + + const curve = json.curves[ i ]; + this.curves.push( new Curves[ curve.type ]().fromJSON( curve ) ); + + } + + return this; + + } + +} + +class Path extends CurvePath { + + constructor( points ) { + + super(); + + this.type = 'Path'; + + this.currentPoint = new Vector2(); + + if ( points ) { + + this.setFromPoints( points ); + + } + + } + + setFromPoints( points ) { + + this.moveTo( points[ 0 ].x, points[ 0 ].y ); + + for ( let i = 1, l = points.length; i < l; i ++ ) { + + this.lineTo( points[ i ].x, points[ i ].y ); + + } + + return this; + + } + + moveTo( x, y ) { + + this.currentPoint.set( x, y ); // TODO consider referencing vectors instead of copying? + + return this; + + } + + lineTo( x, y ) { + + const curve = new LineCurve( this.currentPoint.clone(), new Vector2( x, y ) ); + this.curves.push( curve ); + + this.currentPoint.set( x, y ); + + return this; + + } + + quadraticCurveTo( aCPx, aCPy, aX, aY ) { + + const curve = new QuadraticBezierCurve( + this.currentPoint.clone(), + new Vector2( aCPx, aCPy ), + new Vector2( aX, aY ) + ); + + this.curves.push( curve ); + + this.currentPoint.set( aX, aY ); + + return this; + + } + + bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) { + + const curve = new CubicBezierCurve( + this.currentPoint.clone(), + new Vector2( aCP1x, aCP1y ), + new Vector2( aCP2x, aCP2y ), + new Vector2( aX, aY ) + ); + + this.curves.push( curve ); + + this.currentPoint.set( aX, aY ); + + return this; + + } + + splineThru( pts /*Array of Vector*/ ) { + + const npts = [ this.currentPoint.clone() ].concat( pts ); + + const curve = new SplineCurve( npts ); + this.curves.push( curve ); + + this.currentPoint.copy( pts[ pts.length - 1 ] ); + + return this; + + } + + arc( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) { + + const x0 = this.currentPoint.x; + const y0 = this.currentPoint.y; + + this.absarc( aX + x0, aY + y0, aRadius, + aStartAngle, aEndAngle, aClockwise ); + + return this; + + } + + absarc( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) { + + this.absellipse( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise ); + + return this; + + } + + ellipse( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) { + + const x0 = this.currentPoint.x; + const y0 = this.currentPoint.y; + + this.absellipse( aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ); + + return this; + + } + + absellipse( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) { + + const curve = new EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ); + + if ( this.curves.length > 0 ) { + + // if a previous curve is present, attempt to join + const firstPoint = curve.getPoint( 0 ); + + if ( ! firstPoint.equals( this.currentPoint ) ) { + + this.lineTo( firstPoint.x, firstPoint.y ); + + } + + } + + this.curves.push( curve ); + + const lastPoint = curve.getPoint( 1 ); + this.currentPoint.copy( lastPoint ); + + return this; + + } + + copy( source ) { + + super.copy( source ); + + this.currentPoint.copy( source.currentPoint ); + + return this; + + } + + toJSON() { + + const data = super.toJSON(); + + data.currentPoint = this.currentPoint.toArray(); + + return data; + + } + + fromJSON( json ) { + + super.fromJSON( json ); + + this.currentPoint.fromArray( json.currentPoint ); + + return this; + + } + +} + +class LatheGeometry extends BufferGeometry { + + constructor( points = [ new Vector2( 0, 0.5 ), new Vector2( 0.5, 0 ), new Vector2( 0, - 0.5 ) ], segments = 12, phiStart = 0, phiLength = Math.PI * 2 ) { + + super(); + + this.type = 'LatheGeometry'; + + this.parameters = { + points: points, + segments: segments, + phiStart: phiStart, + phiLength: phiLength + }; + + segments = Math.floor( segments ); + + // clamp phiLength so it's in range of [ 0, 2PI ] + + phiLength = clamp( phiLength, 0, Math.PI * 2 ); + + // buffers + + const indices = []; + const vertices = []; + const uvs = []; + const initNormals = []; + const normals = []; + + // helper variables + + const inverseSegments = 1.0 / segments; + const vertex = new Vector3(); + const uv = new Vector2(); + const normal = new Vector3(); + const curNormal = new Vector3(); + const prevNormal = new Vector3(); + let dx = 0; + let dy = 0; + + // pre-compute normals for initial "meridian" + + for ( let j = 0; j <= ( points.length - 1 ); j ++ ) { + + switch ( j ) { + + case 0: // special handling for 1st vertex on path + + dx = points[ j + 1 ].x - points[ j ].x; + dy = points[ j + 1 ].y - points[ j ].y; + + normal.x = dy * 1.0; + normal.y = - dx; + normal.z = dy * 0.0; + + prevNormal.copy( normal ); + + normal.normalize(); + + initNormals.push( normal.x, normal.y, normal.z ); + + break; + + case ( points.length - 1 ): // special handling for last Vertex on path + + initNormals.push( prevNormal.x, prevNormal.y, prevNormal.z ); + + break; + + default: // default handling for all vertices in between + + dx = points[ j + 1 ].x - points[ j ].x; + dy = points[ j + 1 ].y - points[ j ].y; + + normal.x = dy * 1.0; + normal.y = - dx; + normal.z = dy * 0.0; + + curNormal.copy( normal ); + + normal.x += prevNormal.x; + normal.y += prevNormal.y; + normal.z += prevNormal.z; + + normal.normalize(); + + initNormals.push( normal.x, normal.y, normal.z ); + + prevNormal.copy( curNormal ); + + } + + } + + // generate vertices, uvs and normals + + for ( let i = 0; i <= segments; i ++ ) { + + const phi = phiStart + i * inverseSegments * phiLength; + + const sin = Math.sin( phi ); + const cos = Math.cos( phi ); + + for ( let j = 0; j <= ( points.length - 1 ); j ++ ) { + + // vertex + + vertex.x = points[ j ].x * sin; + vertex.y = points[ j ].y; + vertex.z = points[ j ].x * cos; + + vertices.push( vertex.x, vertex.y, vertex.z ); + + // uv + + uv.x = i / segments; + uv.y = j / ( points.length - 1 ); + + uvs.push( uv.x, uv.y ); + + // normal + + const x = initNormals[ 3 * j + 0 ] * sin; + const y = initNormals[ 3 * j + 1 ]; + const z = initNormals[ 3 * j + 0 ] * cos; + + normals.push( x, y, z ); + + } + + } + + // indices + + for ( let i = 0; i < segments; i ++ ) { + + for ( let j = 0; j < ( points.length - 1 ); j ++ ) { + + const base = j + i * points.length; + + const a = base; + const b = base + points.length; + const c = base + points.length + 1; + const d = base + 1; + + // faces + + indices.push( a, b, d ); + indices.push( c, d, b ); + + } + + } + + // build geometry + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + + } + + static fromJSON( data ) { + + return new LatheGeometry( data.points, data.segments, data.phiStart, data.phiLength ); + + } + +} + +class CapsuleGeometry extends LatheGeometry { + + constructor( radius = 1, length = 1, capSegments = 4, radialSegments = 8 ) { + + const path = new Path(); + path.absarc( 0, - length / 2, radius, Math.PI * 1.5, 0 ); + path.absarc( 0, length / 2, radius, 0, Math.PI * 0.5 ); + + super( path.getPoints( capSegments ), radialSegments ); + + this.type = 'CapsuleGeometry'; + + this.parameters = { + radius: radius, + height: length, + capSegments: capSegments, + radialSegments: radialSegments, + }; + + } + + static fromJSON( data ) { + + return new CapsuleGeometry( data.radius, data.length, data.capSegments, data.radialSegments ); + + } + +} + +class CircleGeometry extends BufferGeometry { + + constructor( radius = 1, segments = 8, thetaStart = 0, thetaLength = Math.PI * 2 ) { + + super(); + + this.type = 'CircleGeometry'; + + this.parameters = { + radius: radius, + segments: segments, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + + segments = Math.max( 3, segments ); + + // buffers + + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + + // helper variables + + const vertex = new Vector3(); + const uv = new Vector2(); + + // center point + + vertices.push( 0, 0, 0 ); + normals.push( 0, 0, 1 ); + uvs.push( 0.5, 0.5 ); + + for ( let s = 0, i = 3; s <= segments; s ++, i += 3 ) { + + const segment = thetaStart + s / segments * thetaLength; + + // vertex + + vertex.x = radius * Math.cos( segment ); + vertex.y = radius * Math.sin( segment ); + + vertices.push( vertex.x, vertex.y, vertex.z ); + + // normal + + normals.push( 0, 0, 1 ); + + // uvs + + uv.x = ( vertices[ i ] / radius + 1 ) / 2; + uv.y = ( vertices[ i + 1 ] / radius + 1 ) / 2; + + uvs.push( uv.x, uv.y ); + + } + + // indices + + for ( let i = 1; i <= segments; i ++ ) { + + indices.push( i, i + 1, 0 ); + + } + + // build geometry + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + + } + + static fromJSON( data ) { + + return new CircleGeometry( data.radius, data.segments, data.thetaStart, data.thetaLength ); + + } + +} + +class CylinderGeometry extends BufferGeometry { + + constructor( radiusTop = 1, radiusBottom = 1, height = 1, radialSegments = 8, heightSegments = 1, openEnded = false, thetaStart = 0, thetaLength = Math.PI * 2 ) { + + super(); + this.type = 'CylinderGeometry'; + + this.parameters = { + radiusTop: radiusTop, + radiusBottom: radiusBottom, + height: height, + radialSegments: radialSegments, + heightSegments: heightSegments, + openEnded: openEnded, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + + const scope = this; + + radialSegments = Math.floor( radialSegments ); + heightSegments = Math.floor( heightSegments ); + + // buffers + + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + + // helper variables + + let index = 0; + const indexArray = []; + const halfHeight = height / 2; + let groupStart = 0; + + // generate geometry + + generateTorso(); + + if ( openEnded === false ) { + + if ( radiusTop > 0 ) generateCap( true ); + if ( radiusBottom > 0 ) generateCap( false ); + + } + + // build geometry + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + + function generateTorso() { + + const normal = new Vector3(); + const vertex = new Vector3(); + + let groupCount = 0; + + // this will be used to calculate the normal + const slope = ( radiusBottom - radiusTop ) / height; + + // generate vertices, normals and uvs + + for ( let y = 0; y <= heightSegments; y ++ ) { + + const indexRow = []; + + const v = y / heightSegments; + + // calculate the radius of the current row + + const radius = v * ( radiusBottom - radiusTop ) + radiusTop; + + for ( let x = 0; x <= radialSegments; x ++ ) { + + const u = x / radialSegments; + + const theta = u * thetaLength + thetaStart; + + const sinTheta = Math.sin( theta ); + const cosTheta = Math.cos( theta ); + + // vertex + + vertex.x = radius * sinTheta; + vertex.y = - v * height + halfHeight; + vertex.z = radius * cosTheta; + vertices.push( vertex.x, vertex.y, vertex.z ); + + // normal + + normal.set( sinTheta, slope, cosTheta ).normalize(); + normals.push( normal.x, normal.y, normal.z ); + + // uv + + uvs.push( u, 1 - v ); + + // save index of vertex in respective row + + indexRow.push( index ++ ); + + } + + // now save vertices of the row in our index array + + indexArray.push( indexRow ); + + } + + // generate indices + + for ( let x = 0; x < radialSegments; x ++ ) { + + for ( let y = 0; y < heightSegments; y ++ ) { + + // we use the index array to access the correct indices + + const a = indexArray[ y ][ x ]; + const b = indexArray[ y + 1 ][ x ]; + const c = indexArray[ y + 1 ][ x + 1 ]; + const d = indexArray[ y ][ x + 1 ]; + + // faces + + indices.push( a, b, d ); + indices.push( b, c, d ); + + // update group counter + + groupCount += 6; + + } + + } + + // add a group to the geometry. this will ensure multi material support + + scope.addGroup( groupStart, groupCount, 0 ); + + // calculate new start value for groups + + groupStart += groupCount; + + } + + function generateCap( top ) { + + // save the index of the first center vertex + const centerIndexStart = index; + + const uv = new Vector2(); + const vertex = new Vector3(); + + let groupCount = 0; + + const radius = ( top === true ) ? radiusTop : radiusBottom; + const sign = ( top === true ) ? 1 : - 1; + + // first we generate the center vertex data of the cap. + // because the geometry needs one set of uvs per face, + // we must generate a center vertex per face/segment + + for ( let x = 1; x <= radialSegments; x ++ ) { + + // vertex + + vertices.push( 0, halfHeight * sign, 0 ); + + // normal + + normals.push( 0, sign, 0 ); + + // uv + + uvs.push( 0.5, 0.5 ); + + // increase index + + index ++; + + } + + // save the index of the last center vertex + const centerIndexEnd = index; + + // now we generate the surrounding vertices, normals and uvs + + for ( let x = 0; x <= radialSegments; x ++ ) { + + const u = x / radialSegments; + const theta = u * thetaLength + thetaStart; + + const cosTheta = Math.cos( theta ); + const sinTheta = Math.sin( theta ); + + // vertex + + vertex.x = radius * sinTheta; + vertex.y = halfHeight * sign; + vertex.z = radius * cosTheta; + vertices.push( vertex.x, vertex.y, vertex.z ); + + // normal + + normals.push( 0, sign, 0 ); + + // uv + + uv.x = ( cosTheta * 0.5 ) + 0.5; + uv.y = ( sinTheta * 0.5 * sign ) + 0.5; + uvs.push( uv.x, uv.y ); + + // increase index + + index ++; + + } + + // generate indices + + for ( let x = 0; x < radialSegments; x ++ ) { + + const c = centerIndexStart + x; + const i = centerIndexEnd + x; + + if ( top === true ) { + + // face top + + indices.push( i, i + 1, c ); + + } else { + + // face bottom + + indices.push( i + 1, i, c ); + + } + + groupCount += 3; + + } + + // add a group to the geometry. this will ensure multi material support + + scope.addGroup( groupStart, groupCount, top === true ? 1 : 2 ); + + // calculate new start value for groups + + groupStart += groupCount; + + } + + } + + static fromJSON( data ) { + + return new CylinderGeometry( data.radiusTop, data.radiusBottom, data.height, data.radialSegments, data.heightSegments, data.openEnded, data.thetaStart, data.thetaLength ); + + } + +} + +class ConeGeometry extends CylinderGeometry { + + constructor( radius = 1, height = 1, radialSegments = 8, heightSegments = 1, openEnded = false, thetaStart = 0, thetaLength = Math.PI * 2 ) { + + super( 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ); + + this.type = 'ConeGeometry'; + + this.parameters = { + radius: radius, + height: height, + radialSegments: radialSegments, + heightSegments: heightSegments, + openEnded: openEnded, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + + } + + static fromJSON( data ) { + + return new ConeGeometry( data.radius, data.height, data.radialSegments, data.heightSegments, data.openEnded, data.thetaStart, data.thetaLength ); + + } + +} + +class PolyhedronGeometry extends BufferGeometry { + + constructor( vertices = [], indices = [], radius = 1, detail = 0 ) { + + super(); + + this.type = 'PolyhedronGeometry'; + + this.parameters = { + vertices: vertices, + indices: indices, + radius: radius, + detail: detail + }; + + // default buffer data + + const vertexBuffer = []; + const uvBuffer = []; + + // the subdivision creates the vertex buffer data + + subdivide( detail ); + + // all vertices should lie on a conceptual sphere with a given radius + + applyRadius( radius ); + + // finally, create the uv data + + generateUVs(); + + // build non-indexed geometry + + this.setAttribute( 'position', new Float32BufferAttribute( vertexBuffer, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( vertexBuffer.slice(), 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvBuffer, 2 ) ); + + if ( detail === 0 ) { + + this.computeVertexNormals(); // flat normals + + } else { + + this.normalizeNormals(); // smooth normals + + } + + // helper functions + + function subdivide( detail ) { + + const a = new Vector3(); + const b = new Vector3(); + const c = new Vector3(); + + // iterate over all faces and apply a subdivison with the given detail value + + for ( let i = 0; i < indices.length; i += 3 ) { + + // get the vertices of the face + + getVertexByIndex( indices[ i + 0 ], a ); + getVertexByIndex( indices[ i + 1 ], b ); + getVertexByIndex( indices[ i + 2 ], c ); + + // perform subdivision + + subdivideFace( a, b, c, detail ); + + } + + } + + function subdivideFace( a, b, c, detail ) { + + const cols = detail + 1; + + // we use this multidimensional array as a data structure for creating the subdivision + + const v = []; + + // construct all of the vertices for this subdivision + + for ( let i = 0; i <= cols; i ++ ) { + + v[ i ] = []; + + const aj = a.clone().lerp( c, i / cols ); + const bj = b.clone().lerp( c, i / cols ); + + const rows = cols - i; + + for ( let j = 0; j <= rows; j ++ ) { + + if ( j === 0 && i === cols ) { + + v[ i ][ j ] = aj; + + } else { + + v[ i ][ j ] = aj.clone().lerp( bj, j / rows ); + + } + + } + + } + + // construct all of the faces + + for ( let i = 0; i < cols; i ++ ) { + + for ( let j = 0; j < 2 * ( cols - i ) - 1; j ++ ) { + + const k = Math.floor( j / 2 ); + + if ( j % 2 === 0 ) { + + pushVertex( v[ i ][ k + 1 ] ); + pushVertex( v[ i + 1 ][ k ] ); + pushVertex( v[ i ][ k ] ); + + } else { + + pushVertex( v[ i ][ k + 1 ] ); + pushVertex( v[ i + 1 ][ k + 1 ] ); + pushVertex( v[ i + 1 ][ k ] ); + + } + + } + + } + + } + + function applyRadius( radius ) { + + const vertex = new Vector3(); + + // iterate over the entire buffer and apply the radius to each vertex + + for ( let i = 0; i < vertexBuffer.length; i += 3 ) { + + vertex.x = vertexBuffer[ i + 0 ]; + vertex.y = vertexBuffer[ i + 1 ]; + vertex.z = vertexBuffer[ i + 2 ]; + + vertex.normalize().multiplyScalar( radius ); + + vertexBuffer[ i + 0 ] = vertex.x; + vertexBuffer[ i + 1 ] = vertex.y; + vertexBuffer[ i + 2 ] = vertex.z; + + } + + } + + function generateUVs() { + + const vertex = new Vector3(); + + for ( let i = 0; i < vertexBuffer.length; i += 3 ) { + + vertex.x = vertexBuffer[ i + 0 ]; + vertex.y = vertexBuffer[ i + 1 ]; + vertex.z = vertexBuffer[ i + 2 ]; + + const u = azimuth( vertex ) / 2 / Math.PI + 0.5; + const v = inclination( vertex ) / Math.PI + 0.5; + uvBuffer.push( u, 1 - v ); + + } + + correctUVs(); + + correctSeam(); + + } + + function correctSeam() { + + // handle case when face straddles the seam, see #3269 + + for ( let i = 0; i < uvBuffer.length; i += 6 ) { + + // uv data of a single face + + const x0 = uvBuffer[ i + 0 ]; + const x1 = uvBuffer[ i + 2 ]; + const x2 = uvBuffer[ i + 4 ]; + + const max = Math.max( x0, x1, x2 ); + const min = Math.min( x0, x1, x2 ); + + // 0.9 is somewhat arbitrary + + if ( max > 0.9 && min < 0.1 ) { + + if ( x0 < 0.2 ) uvBuffer[ i + 0 ] += 1; + if ( x1 < 0.2 ) uvBuffer[ i + 2 ] += 1; + if ( x2 < 0.2 ) uvBuffer[ i + 4 ] += 1; + + } + + } + + } + + function pushVertex( vertex ) { + + vertexBuffer.push( vertex.x, vertex.y, vertex.z ); + + } + + function getVertexByIndex( index, vertex ) { + + const stride = index * 3; + + vertex.x = vertices[ stride + 0 ]; + vertex.y = vertices[ stride + 1 ]; + vertex.z = vertices[ stride + 2 ]; + + } + + function correctUVs() { + + const a = new Vector3(); + const b = new Vector3(); + const c = new Vector3(); + + const centroid = new Vector3(); + + const uvA = new Vector2(); + const uvB = new Vector2(); + const uvC = new Vector2(); + + for ( let i = 0, j = 0; i < vertexBuffer.length; i += 9, j += 6 ) { + + a.set( vertexBuffer[ i + 0 ], vertexBuffer[ i + 1 ], vertexBuffer[ i + 2 ] ); + b.set( vertexBuffer[ i + 3 ], vertexBuffer[ i + 4 ], vertexBuffer[ i + 5 ] ); + c.set( vertexBuffer[ i + 6 ], vertexBuffer[ i + 7 ], vertexBuffer[ i + 8 ] ); + + uvA.set( uvBuffer[ j + 0 ], uvBuffer[ j + 1 ] ); + uvB.set( uvBuffer[ j + 2 ], uvBuffer[ j + 3 ] ); + uvC.set( uvBuffer[ j + 4 ], uvBuffer[ j + 5 ] ); + + centroid.copy( a ).add( b ).add( c ).divideScalar( 3 ); + + const azi = azimuth( centroid ); + + correctUV( uvA, j + 0, a, azi ); + correctUV( uvB, j + 2, b, azi ); + correctUV( uvC, j + 4, c, azi ); + + } + + } + + function correctUV( uv, stride, vector, azimuth ) { + + if ( ( azimuth < 0 ) && ( uv.x === 1 ) ) { + + uvBuffer[ stride ] = uv.x - 1; + + } + + if ( ( vector.x === 0 ) && ( vector.z === 0 ) ) { + + uvBuffer[ stride ] = azimuth / 2 / Math.PI + 0.5; + + } + + } + + // Angle around the Y axis, counter-clockwise when looking from above. + + function azimuth( vector ) { + + return Math.atan2( vector.z, - vector.x ); + + } + + + // Angle above the XZ plane. + + function inclination( vector ) { + + return Math.atan2( - vector.y, Math.sqrt( ( vector.x * vector.x ) + ( vector.z * vector.z ) ) ); + + } + + } + + static fromJSON( data ) { + + return new PolyhedronGeometry( data.vertices, data.indices, data.radius, data.details ); + + } + +} + +class DodecahedronGeometry extends PolyhedronGeometry { + + constructor( radius = 1, detail = 0 ) { + + const t = ( 1 + Math.sqrt( 5 ) ) / 2; + const r = 1 / t; + + const vertices = [ + + // (±1, ±1, ±1) + - 1, - 1, - 1, - 1, - 1, 1, + - 1, 1, - 1, - 1, 1, 1, + 1, - 1, - 1, 1, - 1, 1, + 1, 1, - 1, 1, 1, 1, + + // (0, ±1/φ, ±φ) + 0, - r, - t, 0, - r, t, + 0, r, - t, 0, r, t, + + // (±1/φ, ±φ, 0) + - r, - t, 0, - r, t, 0, + r, - t, 0, r, t, 0, + + // (±φ, 0, ±1/φ) + - t, 0, - r, t, 0, - r, + - t, 0, r, t, 0, r + ]; + + const indices = [ + 3, 11, 7, 3, 7, 15, 3, 15, 13, + 7, 19, 17, 7, 17, 6, 7, 6, 15, + 17, 4, 8, 17, 8, 10, 17, 10, 6, + 8, 0, 16, 8, 16, 2, 8, 2, 10, + 0, 12, 1, 0, 1, 18, 0, 18, 16, + 6, 10, 2, 6, 2, 13, 6, 13, 15, + 2, 16, 18, 2, 18, 3, 2, 3, 13, + 18, 1, 9, 18, 9, 11, 18, 11, 3, + 4, 14, 12, 4, 12, 0, 4, 0, 8, + 11, 9, 5, 11, 5, 19, 11, 19, 7, + 19, 5, 14, 19, 14, 4, 19, 4, 17, + 1, 12, 14, 1, 14, 5, 1, 5, 9 + ]; + + super( vertices, indices, radius, detail ); + + this.type = 'DodecahedronGeometry'; + + this.parameters = { + radius: radius, + detail: detail + }; + + } + + static fromJSON( data ) { + + return new DodecahedronGeometry( data.radius, data.detail ); + + } + +} + +const _v0 = /*@__PURE__*/ new Vector3(); +const _v1$1 = /*@__PURE__*/ new Vector3(); +const _normal = /*@__PURE__*/ new Vector3(); +const _triangle = /*@__PURE__*/ new Triangle(); + +class EdgesGeometry extends BufferGeometry { + + constructor( geometry = null, thresholdAngle = 1 ) { + + super(); + this.type = 'EdgesGeometry'; + + this.parameters = { + geometry: geometry, + thresholdAngle: thresholdAngle + }; + + if ( geometry !== null ) { + + const precisionPoints = 4; + const precision = Math.pow( 10, precisionPoints ); + const thresholdDot = Math.cos( DEG2RAD * thresholdAngle ); + + const indexAttr = geometry.getIndex(); + const positionAttr = geometry.getAttribute( 'position' ); + const indexCount = indexAttr ? indexAttr.count : positionAttr.count; + + const indexArr = [ 0, 0, 0 ]; + const vertKeys = [ 'a', 'b', 'c' ]; + const hashes = new Array( 3 ); + + const edgeData = {}; + const vertices = []; + for ( let i = 0; i < indexCount; i += 3 ) { + + if ( indexAttr ) { + + indexArr[ 0 ] = indexAttr.getX( i ); + indexArr[ 1 ] = indexAttr.getX( i + 1 ); + indexArr[ 2 ] = indexAttr.getX( i + 2 ); + + } else { + + indexArr[ 0 ] = i; + indexArr[ 1 ] = i + 1; + indexArr[ 2 ] = i + 2; + + } + + const { a, b, c } = _triangle; + a.fromBufferAttribute( positionAttr, indexArr[ 0 ] ); + b.fromBufferAttribute( positionAttr, indexArr[ 1 ] ); + c.fromBufferAttribute( positionAttr, indexArr[ 2 ] ); + _triangle.getNormal( _normal ); + + // create hashes for the edge from the vertices + hashes[ 0 ] = `${ Math.round( a.x * precision ) },${ Math.round( a.y * precision ) },${ Math.round( a.z * precision ) }`; + hashes[ 1 ] = `${ Math.round( b.x * precision ) },${ Math.round( b.y * precision ) },${ Math.round( b.z * precision ) }`; + hashes[ 2 ] = `${ Math.round( c.x * precision ) },${ Math.round( c.y * precision ) },${ Math.round( c.z * precision ) }`; + + // skip degenerate triangles + if ( hashes[ 0 ] === hashes[ 1 ] || hashes[ 1 ] === hashes[ 2 ] || hashes[ 2 ] === hashes[ 0 ] ) { + + continue; + + } + + // iterate over every edge + for ( let j = 0; j < 3; j ++ ) { + + // get the first and next vertex making up the edge + const jNext = ( j + 1 ) % 3; + const vecHash0 = hashes[ j ]; + const vecHash1 = hashes[ jNext ]; + const v0 = _triangle[ vertKeys[ j ] ]; + const v1 = _triangle[ vertKeys[ jNext ] ]; + + const hash = `${ vecHash0 }_${ vecHash1 }`; + const reverseHash = `${ vecHash1 }_${ vecHash0 }`; + + if ( reverseHash in edgeData && edgeData[ reverseHash ] ) { + + // if we found a sibling edge add it into the vertex array if + // it meets the angle threshold and delete the edge from the map. + if ( _normal.dot( edgeData[ reverseHash ].normal ) <= thresholdDot ) { + + vertices.push( v0.x, v0.y, v0.z ); + vertices.push( v1.x, v1.y, v1.z ); + + } + + edgeData[ reverseHash ] = null; + + } else if ( ! ( hash in edgeData ) ) { + + // if we've already got an edge here then skip adding a new one + edgeData[ hash ] = { + + index0: indexArr[ j ], + index1: indexArr[ jNext ], + normal: _normal.clone(), + + }; + + } + + } + + } + + // iterate over all remaining, unmatched edges and add them to the vertex array + for ( const key in edgeData ) { + + if ( edgeData[ key ] ) { + + const { index0, index1 } = edgeData[ key ]; + _v0.fromBufferAttribute( positionAttr, index0 ); + _v1$1.fromBufferAttribute( positionAttr, index1 ); + + vertices.push( _v0.x, _v0.y, _v0.z ); + vertices.push( _v1$1.x, _v1$1.y, _v1$1.z ); + + } + + } + + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + + } + + } + +} + +class Shape extends Path { + + constructor( points ) { + + super( points ); + + this.uuid = generateUUID(); + + this.type = 'Shape'; + + this.holes = []; + + } + + getPointsHoles( divisions ) { + + const holesPts = []; + + for ( let i = 0, l = this.holes.length; i < l; i ++ ) { + + holesPts[ i ] = this.holes[ i ].getPoints( divisions ); + + } + + return holesPts; + + } + + // get points of shape and holes (keypoints based on segments parameter) + + extractPoints( divisions ) { + + return { + + shape: this.getPoints( divisions ), + holes: this.getPointsHoles( divisions ) + + }; + + } + + copy( source ) { + + super.copy( source ); + + this.holes = []; + + for ( let i = 0, l = source.holes.length; i < l; i ++ ) { + + const hole = source.holes[ i ]; + + this.holes.push( hole.clone() ); + + } + + return this; + + } + + toJSON() { + + const data = super.toJSON(); + + data.uuid = this.uuid; + data.holes = []; + + for ( let i = 0, l = this.holes.length; i < l; i ++ ) { + + const hole = this.holes[ i ]; + data.holes.push( hole.toJSON() ); + + } + + return data; + + } + + fromJSON( json ) { + + super.fromJSON( json ); + + this.uuid = json.uuid; + this.holes = []; + + for ( let i = 0, l = json.holes.length; i < l; i ++ ) { + + const hole = json.holes[ i ]; + this.holes.push( new Path().fromJSON( hole ) ); + + } + + return this; + + } + +} + +/** + * Port from https://github.com/mapbox/earcut (v2.2.2) + */ + +const Earcut = { + + triangulate: function ( data, holeIndices, dim = 2 ) { + + const hasHoles = holeIndices && holeIndices.length; + const outerLen = hasHoles ? holeIndices[ 0 ] * dim : data.length; + let outerNode = linkedList( data, 0, outerLen, dim, true ); + const triangles = []; + + if ( ! outerNode || outerNode.next === outerNode.prev ) return triangles; + + let minX, minY, maxX, maxY, x, y, invSize; + + if ( hasHoles ) outerNode = eliminateHoles( data, holeIndices, outerNode, dim ); + + // if the shape is not too simple, we'll use z-order curve hash later; calculate polygon bbox + if ( data.length > 80 * dim ) { + + minX = maxX = data[ 0 ]; + minY = maxY = data[ 1 ]; + + for ( let i = dim; i < outerLen; i += dim ) { + + x = data[ i ]; + y = data[ i + 1 ]; + if ( x < minX ) minX = x; + if ( y < minY ) minY = y; + if ( x > maxX ) maxX = x; + if ( y > maxY ) maxY = y; + + } + + // minX, minY and invSize are later used to transform coords into integers for z-order calculation + invSize = Math.max( maxX - minX, maxY - minY ); + invSize = invSize !== 0 ? 1 / invSize : 0; + + } + + earcutLinked( outerNode, triangles, dim, minX, minY, invSize ); + + return triangles; + + } + +}; + +// create a circular doubly linked list from polygon points in the specified winding order +function linkedList( data, start, end, dim, clockwise ) { + + let i, last; + + if ( clockwise === ( signedArea( data, start, end, dim ) > 0 ) ) { + + for ( i = start; i < end; i += dim ) last = insertNode( i, data[ i ], data[ i + 1 ], last ); + + } else { + + for ( i = end - dim; i >= start; i -= dim ) last = insertNode( i, data[ i ], data[ i + 1 ], last ); + + } + + if ( last && equals( last, last.next ) ) { + + removeNode( last ); + last = last.next; + + } + + return last; + +} + +// eliminate colinear or duplicate points +function filterPoints( start, end ) { + + if ( ! start ) return start; + if ( ! end ) end = start; + + let p = start, + again; + do { + + again = false; + + if ( ! p.steiner && ( equals( p, p.next ) || area( p.prev, p, p.next ) === 0 ) ) { + + removeNode( p ); + p = end = p.prev; + if ( p === p.next ) break; + again = true; + + } else { + + p = p.next; + + } + + } while ( again || p !== end ); + + return end; + +} + +// main ear slicing loop which triangulates a polygon (given as a linked list) +function earcutLinked( ear, triangles, dim, minX, minY, invSize, pass ) { + + if ( ! ear ) return; + + // interlink polygon nodes in z-order + if ( ! pass && invSize ) indexCurve( ear, minX, minY, invSize ); + + let stop = ear, + prev, next; + + // iterate through ears, slicing them one by one + while ( ear.prev !== ear.next ) { + + prev = ear.prev; + next = ear.next; + + if ( invSize ? isEarHashed( ear, minX, minY, invSize ) : isEar( ear ) ) { + + // cut off the triangle + triangles.push( prev.i / dim ); + triangles.push( ear.i / dim ); + triangles.push( next.i / dim ); + + removeNode( ear ); + + // skipping the next vertex leads to less sliver triangles + ear = next.next; + stop = next.next; + + continue; + + } + + ear = next; + + // if we looped through the whole remaining polygon and can't find any more ears + if ( ear === stop ) { + + // try filtering points and slicing again + if ( ! pass ) { + + earcutLinked( filterPoints( ear ), triangles, dim, minX, minY, invSize, 1 ); + + // if this didn't work, try curing all small self-intersections locally + + } else if ( pass === 1 ) { + + ear = cureLocalIntersections( filterPoints( ear ), triangles, dim ); + earcutLinked( ear, triangles, dim, minX, minY, invSize, 2 ); + + // as a last resort, try splitting the remaining polygon into two + + } else if ( pass === 2 ) { + + splitEarcut( ear, triangles, dim, minX, minY, invSize ); + + } + + break; + + } + + } + +} + +// check whether a polygon node forms a valid ear with adjacent nodes +function isEar( ear ) { + + const a = ear.prev, + b = ear, + c = ear.next; + + if ( area( a, b, c ) >= 0 ) return false; // reflex, can't be an ear + + // now make sure we don't have other points inside the potential ear + let p = ear.next.next; + + while ( p !== ear.prev ) { + + if ( pointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y ) && + area( p.prev, p, p.next ) >= 0 ) return false; + p = p.next; + + } + + return true; + +} + +function isEarHashed( ear, minX, minY, invSize ) { + + const a = ear.prev, + b = ear, + c = ear.next; + + if ( area( a, b, c ) >= 0 ) return false; // reflex, can't be an ear + + // triangle bbox; min & max are calculated like this for speed + const minTX = a.x < b.x ? ( a.x < c.x ? a.x : c.x ) : ( b.x < c.x ? b.x : c.x ), + minTY = a.y < b.y ? ( a.y < c.y ? a.y : c.y ) : ( b.y < c.y ? b.y : c.y ), + maxTX = a.x > b.x ? ( a.x > c.x ? a.x : c.x ) : ( b.x > c.x ? b.x : c.x ), + maxTY = a.y > b.y ? ( a.y > c.y ? a.y : c.y ) : ( b.y > c.y ? b.y : c.y ); + + // z-order range for the current triangle bbox; + const minZ = zOrder( minTX, minTY, minX, minY, invSize ), + maxZ = zOrder( maxTX, maxTY, minX, minY, invSize ); + + let p = ear.prevZ, + n = ear.nextZ; + + // look for points inside the triangle in both directions + while ( p && p.z >= minZ && n && n.z <= maxZ ) { + + if ( p !== ear.prev && p !== ear.next && + pointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y ) && + area( p.prev, p, p.next ) >= 0 ) return false; + p = p.prevZ; + + if ( n !== ear.prev && n !== ear.next && + pointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, n.x, n.y ) && + area( n.prev, n, n.next ) >= 0 ) return false; + n = n.nextZ; + + } + + // look for remaining points in decreasing z-order + while ( p && p.z >= minZ ) { + + if ( p !== ear.prev && p !== ear.next && + pointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y ) && + area( p.prev, p, p.next ) >= 0 ) return false; + p = p.prevZ; + + } + + // look for remaining points in increasing z-order + while ( n && n.z <= maxZ ) { + + if ( n !== ear.prev && n !== ear.next && + pointInTriangle( a.x, a.y, b.x, b.y, c.x, c.y, n.x, n.y ) && + area( n.prev, n, n.next ) >= 0 ) return false; + n = n.nextZ; + + } + + return true; + +} + +// go through all polygon nodes and cure small local self-intersections +function cureLocalIntersections( start, triangles, dim ) { + + let p = start; + do { + + const a = p.prev, + b = p.next.next; + + if ( ! equals( a, b ) && intersects( a, p, p.next, b ) && locallyInside( a, b ) && locallyInside( b, a ) ) { + + triangles.push( a.i / dim ); + triangles.push( p.i / dim ); + triangles.push( b.i / dim ); + + // remove two nodes involved + removeNode( p ); + removeNode( p.next ); + + p = start = b; + + } + + p = p.next; + + } while ( p !== start ); + + return filterPoints( p ); + +} + +// try splitting polygon into two and triangulate them independently +function splitEarcut( start, triangles, dim, minX, minY, invSize ) { + + // look for a valid diagonal that divides the polygon into two + let a = start; + do { + + let b = a.next.next; + while ( b !== a.prev ) { + + if ( a.i !== b.i && isValidDiagonal( a, b ) ) { + + // split the polygon in two by the diagonal + let c = splitPolygon( a, b ); + + // filter colinear points around the cuts + a = filterPoints( a, a.next ); + c = filterPoints( c, c.next ); + + // run earcut on each half + earcutLinked( a, triangles, dim, minX, minY, invSize ); + earcutLinked( c, triangles, dim, minX, minY, invSize ); + return; + + } + + b = b.next; + + } + + a = a.next; + + } while ( a !== start ); + +} + +// link every hole into the outer loop, producing a single-ring polygon without holes +function eliminateHoles( data, holeIndices, outerNode, dim ) { + + const queue = []; + let i, len, start, end, list; + + for ( i = 0, len = holeIndices.length; i < len; i ++ ) { + + start = holeIndices[ i ] * dim; + end = i < len - 1 ? holeIndices[ i + 1 ] * dim : data.length; + list = linkedList( data, start, end, dim, false ); + if ( list === list.next ) list.steiner = true; + queue.push( getLeftmost( list ) ); + + } + + queue.sort( compareX ); + + // process holes from left to right + for ( i = 0; i < queue.length; i ++ ) { + + eliminateHole( queue[ i ], outerNode ); + outerNode = filterPoints( outerNode, outerNode.next ); + + } + + return outerNode; + +} + +function compareX( a, b ) { + + return a.x - b.x; + +} + +// find a bridge between vertices that connects hole with an outer ring and link it +function eliminateHole( hole, outerNode ) { + + outerNode = findHoleBridge( hole, outerNode ); + if ( outerNode ) { + + const b = splitPolygon( outerNode, hole ); + + // filter collinear points around the cuts + filterPoints( outerNode, outerNode.next ); + filterPoints( b, b.next ); + + } + +} + +// David Eberly's algorithm for finding a bridge between hole and outer polygon +function findHoleBridge( hole, outerNode ) { + + let p = outerNode; + const hx = hole.x; + const hy = hole.y; + let qx = - Infinity, m; + + // find a segment intersected by a ray from the hole's leftmost point to the left; + // segment's endpoint with lesser x will be potential connection point + do { + + if ( hy <= p.y && hy >= p.next.y && p.next.y !== p.y ) { + + const x = p.x + ( hy - p.y ) * ( p.next.x - p.x ) / ( p.next.y - p.y ); + if ( x <= hx && x > qx ) { + + qx = x; + if ( x === hx ) { + + if ( hy === p.y ) return p; + if ( hy === p.next.y ) return p.next; + + } + + m = p.x < p.next.x ? p : p.next; + + } + + } + + p = p.next; + + } while ( p !== outerNode ); + + if ( ! m ) return null; + + if ( hx === qx ) return m; // hole touches outer segment; pick leftmost endpoint + + // look for points inside the triangle of hole point, segment intersection and endpoint; + // if there are no points found, we have a valid connection; + // otherwise choose the point of the minimum angle with the ray as connection point + + const stop = m, + mx = m.x, + my = m.y; + let tanMin = Infinity, tan; + + p = m; + + do { + + if ( hx >= p.x && p.x >= mx && hx !== p.x && + pointInTriangle( hy < my ? hx : qx, hy, mx, my, hy < my ? qx : hx, hy, p.x, p.y ) ) { + + tan = Math.abs( hy - p.y ) / ( hx - p.x ); // tangential + + if ( locallyInside( p, hole ) && ( tan < tanMin || ( tan === tanMin && ( p.x > m.x || ( p.x === m.x && sectorContainsSector( m, p ) ) ) ) ) ) { + + m = p; + tanMin = tan; + + } + + } + + p = p.next; + + } while ( p !== stop ); + + return m; + +} + +// whether sector in vertex m contains sector in vertex p in the same coordinates +function sectorContainsSector( m, p ) { + + return area( m.prev, m, p.prev ) < 0 && area( p.next, m, m.next ) < 0; + +} + +// interlink polygon nodes in z-order +function indexCurve( start, minX, minY, invSize ) { + + let p = start; + do { + + if ( p.z === null ) p.z = zOrder( p.x, p.y, minX, minY, invSize ); + p.prevZ = p.prev; + p.nextZ = p.next; + p = p.next; + + } while ( p !== start ); + + p.prevZ.nextZ = null; + p.prevZ = null; + + sortLinked( p ); + +} + +// Simon Tatham's linked list merge sort algorithm +// http://www.chiark.greenend.org.uk/~sgtatham/algorithms/listsort.html +function sortLinked( list ) { + + let i, p, q, e, tail, numMerges, pSize, qSize, + inSize = 1; + + do { + + p = list; + list = null; + tail = null; + numMerges = 0; + + while ( p ) { + + numMerges ++; + q = p; + pSize = 0; + for ( i = 0; i < inSize; i ++ ) { + + pSize ++; + q = q.nextZ; + if ( ! q ) break; + + } + + qSize = inSize; + + while ( pSize > 0 || ( qSize > 0 && q ) ) { + + if ( pSize !== 0 && ( qSize === 0 || ! q || p.z <= q.z ) ) { + + e = p; + p = p.nextZ; + pSize --; + + } else { + + e = q; + q = q.nextZ; + qSize --; + + } + + if ( tail ) tail.nextZ = e; + else list = e; + + e.prevZ = tail; + tail = e; + + } + + p = q; + + } + + tail.nextZ = null; + inSize *= 2; + + } while ( numMerges > 1 ); + + return list; + +} + +// z-order of a point given coords and inverse of the longer side of data bbox +function zOrder( x, y, minX, minY, invSize ) { + + // coords are transformed into non-negative 15-bit integer range + x = 32767 * ( x - minX ) * invSize; + y = 32767 * ( y - minY ) * invSize; + + x = ( x | ( x << 8 ) ) & 0x00FF00FF; + x = ( x | ( x << 4 ) ) & 0x0F0F0F0F; + x = ( x | ( x << 2 ) ) & 0x33333333; + x = ( x | ( x << 1 ) ) & 0x55555555; + + y = ( y | ( y << 8 ) ) & 0x00FF00FF; + y = ( y | ( y << 4 ) ) & 0x0F0F0F0F; + y = ( y | ( y << 2 ) ) & 0x33333333; + y = ( y | ( y << 1 ) ) & 0x55555555; + + return x | ( y << 1 ); + +} + +// find the leftmost node of a polygon ring +function getLeftmost( start ) { + + let p = start, + leftmost = start; + do { + + if ( p.x < leftmost.x || ( p.x === leftmost.x && p.y < leftmost.y ) ) leftmost = p; + p = p.next; + + } while ( p !== start ); + + return leftmost; + +} + +// check if a point lies within a convex triangle +function pointInTriangle( ax, ay, bx, by, cx, cy, px, py ) { + + return ( cx - px ) * ( ay - py ) - ( ax - px ) * ( cy - py ) >= 0 && + ( ax - px ) * ( by - py ) - ( bx - px ) * ( ay - py ) >= 0 && + ( bx - px ) * ( cy - py ) - ( cx - px ) * ( by - py ) >= 0; + +} + +// check if a diagonal between two polygon nodes is valid (lies in polygon interior) +function isValidDiagonal( a, b ) { + + return a.next.i !== b.i && a.prev.i !== b.i && ! intersectsPolygon( a, b ) && // doesn't intersect other edges + ( locallyInside( a, b ) && locallyInside( b, a ) && middleInside( a, b ) && // locally visible + ( area( a.prev, a, b.prev ) || area( a, b.prev, b ) ) || // does not create opposite-facing sectors + equals( a, b ) && area( a.prev, a, a.next ) > 0 && area( b.prev, b, b.next ) > 0 ); // special zero-length case + +} + +// signed area of a triangle +function area( p, q, r ) { + + return ( q.y - p.y ) * ( r.x - q.x ) - ( q.x - p.x ) * ( r.y - q.y ); + +} + +// check if two points are equal +function equals( p1, p2 ) { + + return p1.x === p2.x && p1.y === p2.y; + +} + +// check if two segments intersect +function intersects( p1, q1, p2, q2 ) { + + const o1 = sign( area( p1, q1, p2 ) ); + const o2 = sign( area( p1, q1, q2 ) ); + const o3 = sign( area( p2, q2, p1 ) ); + const o4 = sign( area( p2, q2, q1 ) ); + + if ( o1 !== o2 && o3 !== o4 ) return true; // general case + + if ( o1 === 0 && onSegment( p1, p2, q1 ) ) return true; // p1, q1 and p2 are collinear and p2 lies on p1q1 + if ( o2 === 0 && onSegment( p1, q2, q1 ) ) return true; // p1, q1 and q2 are collinear and q2 lies on p1q1 + if ( o3 === 0 && onSegment( p2, p1, q2 ) ) return true; // p2, q2 and p1 are collinear and p1 lies on p2q2 + if ( o4 === 0 && onSegment( p2, q1, q2 ) ) return true; // p2, q2 and q1 are collinear and q1 lies on p2q2 + + return false; + +} + +// for collinear points p, q, r, check if point q lies on segment pr +function onSegment( p, q, r ) { + + return q.x <= Math.max( p.x, r.x ) && q.x >= Math.min( p.x, r.x ) && q.y <= Math.max( p.y, r.y ) && q.y >= Math.min( p.y, r.y ); + +} + +function sign( num ) { + + return num > 0 ? 1 : num < 0 ? - 1 : 0; + +} + +// check if a polygon diagonal intersects any polygon segments +function intersectsPolygon( a, b ) { + + let p = a; + do { + + if ( p.i !== a.i && p.next.i !== a.i && p.i !== b.i && p.next.i !== b.i && + intersects( p, p.next, a, b ) ) return true; + p = p.next; + + } while ( p !== a ); + + return false; + +} + +// check if a polygon diagonal is locally inside the polygon +function locallyInside( a, b ) { + + return area( a.prev, a, a.next ) < 0 ? + area( a, b, a.next ) >= 0 && area( a, a.prev, b ) >= 0 : + area( a, b, a.prev ) < 0 || area( a, a.next, b ) < 0; + +} + +// check if the middle point of a polygon diagonal is inside the polygon +function middleInside( a, b ) { + + let p = a, + inside = false; + const px = ( a.x + b.x ) / 2, + py = ( a.y + b.y ) / 2; + do { + + if ( ( ( p.y > py ) !== ( p.next.y > py ) ) && p.next.y !== p.y && + ( px < ( p.next.x - p.x ) * ( py - p.y ) / ( p.next.y - p.y ) + p.x ) ) + inside = ! inside; + p = p.next; + + } while ( p !== a ); + + return inside; + +} + +// link two polygon vertices with a bridge; if the vertices belong to the same ring, it splits polygon into two; +// if one belongs to the outer ring and another to a hole, it merges it into a single ring +function splitPolygon( a, b ) { + + const a2 = new Node( a.i, a.x, a.y ), + b2 = new Node( b.i, b.x, b.y ), + an = a.next, + bp = b.prev; + + a.next = b; + b.prev = a; + + a2.next = an; + an.prev = a2; + + b2.next = a2; + a2.prev = b2; + + bp.next = b2; + b2.prev = bp; + + return b2; + +} + +// create a node and optionally link it with previous one (in a circular doubly linked list) +function insertNode( i, x, y, last ) { + + const p = new Node( i, x, y ); + + if ( ! last ) { + + p.prev = p; + p.next = p; + + } else { + + p.next = last.next; + p.prev = last; + last.next.prev = p; + last.next = p; + + } + + return p; + +} + +function removeNode( p ) { + + p.next.prev = p.prev; + p.prev.next = p.next; + + if ( p.prevZ ) p.prevZ.nextZ = p.nextZ; + if ( p.nextZ ) p.nextZ.prevZ = p.prevZ; + +} + +function Node( i, x, y ) { + + // vertex index in coordinates array + this.i = i; + + // vertex coordinates + this.x = x; + this.y = y; + + // previous and next vertex nodes in a polygon ring + this.prev = null; + this.next = null; + + // z-order curve value + this.z = null; + + // previous and next nodes in z-order + this.prevZ = null; + this.nextZ = null; + + // indicates whether this is a steiner point + this.steiner = false; + +} + +function signedArea( data, start, end, dim ) { + + let sum = 0; + for ( let i = start, j = end - dim; i < end; i += dim ) { + + sum += ( data[ j ] - data[ i ] ) * ( data[ i + 1 ] + data[ j + 1 ] ); + j = i; + + } + + return sum; + +} + +class ShapeUtils { + + // calculate area of the contour polygon + + static area( contour ) { + + const n = contour.length; + let a = 0.0; + + for ( let p = n - 1, q = 0; q < n; p = q ++ ) { + + a += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y; + + } + + return a * 0.5; + + } + + static isClockWise( pts ) { + + return ShapeUtils.area( pts ) < 0; + + } + + static triangulateShape( contour, holes ) { + + const vertices = []; // flat array of vertices like [ x0,y0, x1,y1, x2,y2, ... ] + const holeIndices = []; // array of hole indices + const faces = []; // final array of vertex indices like [ [ a,b,d ], [ b,c,d ] ] + + removeDupEndPts( contour ); + addContour( vertices, contour ); + + // + + let holeIndex = contour.length; + + holes.forEach( removeDupEndPts ); + + for ( let i = 0; i < holes.length; i ++ ) { + + holeIndices.push( holeIndex ); + holeIndex += holes[ i ].length; + addContour( vertices, holes[ i ] ); + + } + + // + + const triangles = Earcut.triangulate( vertices, holeIndices ); + + // + + for ( let i = 0; i < triangles.length; i += 3 ) { + + faces.push( triangles.slice( i, i + 3 ) ); + + } + + return faces; + + } + +} + +function removeDupEndPts( points ) { + + const l = points.length; + + if ( l > 2 && points[ l - 1 ].equals( points[ 0 ] ) ) { + + points.pop(); + + } + +} + +function addContour( vertices, contour ) { + + for ( let i = 0; i < contour.length; i ++ ) { + + vertices.push( contour[ i ].x ); + vertices.push( contour[ i ].y ); + + } + +} + +/** + * Creates extruded geometry from a path shape. + * + * parameters = { + * + * curveSegments: , // number of points on the curves + * steps: , // number of points for z-side extrusions / used for subdividing segments of extrude spline too + * depth: , // Depth to extrude the shape + * + * bevelEnabled: , // turn on bevel + * bevelThickness: , // how deep into the original shape bevel goes + * bevelSize: , // how far from shape outline (including bevelOffset) is bevel + * bevelOffset: , // how far from shape outline does bevel start + * bevelSegments: , // number of bevel layers + * + * extrudePath: // curve to extrude shape along + * + * UVGenerator: // object that provides UV generator functions + * + * } + */ + +class ExtrudeGeometry extends BufferGeometry { + + constructor( shapes = new Shape( [ new Vector2( 0.5, 0.5 ), new Vector2( - 0.5, 0.5 ), new Vector2( - 0.5, - 0.5 ), new Vector2( 0.5, - 0.5 ) ] ), options = {} ) { + + super(); + + this.type = 'ExtrudeGeometry'; + + this.parameters = { + shapes: shapes, + options: options + }; + + shapes = Array.isArray( shapes ) ? shapes : [ shapes ]; + + const scope = this; + + const verticesArray = []; + const uvArray = []; + + for ( let i = 0, l = shapes.length; i < l; i ++ ) { + + const shape = shapes[ i ]; + addShape( shape ); + + } + + // build geometry + + this.setAttribute( 'position', new Float32BufferAttribute( verticesArray, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvArray, 2 ) ); + + this.computeVertexNormals(); + + // functions + + function addShape( shape ) { + + const placeholder = []; + + // options + + const curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12; + const steps = options.steps !== undefined ? options.steps : 1; + let depth = options.depth !== undefined ? options.depth : 1; + + let bevelEnabled = options.bevelEnabled !== undefined ? options.bevelEnabled : true; + let bevelThickness = options.bevelThickness !== undefined ? options.bevelThickness : 0.2; + let bevelSize = options.bevelSize !== undefined ? options.bevelSize : bevelThickness - 0.1; + let bevelOffset = options.bevelOffset !== undefined ? options.bevelOffset : 0; + let bevelSegments = options.bevelSegments !== undefined ? options.bevelSegments : 3; + + const extrudePath = options.extrudePath; + + const uvgen = options.UVGenerator !== undefined ? options.UVGenerator : WorldUVGenerator; + + // deprecated options + + if ( options.amount !== undefined ) { + + console.warn( 'THREE.ExtrudeBufferGeometry: amount has been renamed to depth.' ); + depth = options.amount; + + } + + // + + let extrudePts, extrudeByPath = false; + let splineTube, binormal, normal, position2; + + if ( extrudePath ) { + + extrudePts = extrudePath.getSpacedPoints( steps ); + + extrudeByPath = true; + bevelEnabled = false; // bevels not supported for path extrusion + + // SETUP TNB variables + + // TODO1 - have a .isClosed in spline? + + splineTube = extrudePath.computeFrenetFrames( steps, false ); + + // console.log(splineTube, 'splineTube', splineTube.normals.length, 'steps', steps, 'extrudePts', extrudePts.length); + + binormal = new Vector3(); + normal = new Vector3(); + position2 = new Vector3(); + + } + + // Safeguards if bevels are not enabled + + if ( ! bevelEnabled ) { + + bevelSegments = 0; + bevelThickness = 0; + bevelSize = 0; + bevelOffset = 0; + + } + + // Variables initialization + + const shapePoints = shape.extractPoints( curveSegments ); + + let vertices = shapePoints.shape; + const holes = shapePoints.holes; + + const reverse = ! ShapeUtils.isClockWise( vertices ); + + if ( reverse ) { + + vertices = vertices.reverse(); + + // Maybe we should also check if holes are in the opposite direction, just to be safe ... + + for ( let h = 0, hl = holes.length; h < hl; h ++ ) { + + const ahole = holes[ h ]; + + if ( ShapeUtils.isClockWise( ahole ) ) { + + holes[ h ] = ahole.reverse(); + + } + + } + + } + + + const faces = ShapeUtils.triangulateShape( vertices, holes ); + + /* Vertices */ + + const contour = vertices; // vertices has all points but contour has only points of circumference + + for ( let h = 0, hl = holes.length; h < hl; h ++ ) { + + const ahole = holes[ h ]; + + vertices = vertices.concat( ahole ); + + } + + + function scalePt2( pt, vec, size ) { + + if ( ! vec ) console.error( 'THREE.ExtrudeGeometry: vec does not exist' ); + + return vec.clone().multiplyScalar( size ).add( pt ); + + } + + const vlen = vertices.length, flen = faces.length; + + + // Find directions for point movement + + + function getBevelVec( inPt, inPrev, inNext ) { + + // computes for inPt the corresponding point inPt' on a new contour + // shifted by 1 unit (length of normalized vector) to the left + // if we walk along contour clockwise, this new contour is outside the old one + // + // inPt' is the intersection of the two lines parallel to the two + // adjacent edges of inPt at a distance of 1 unit on the left side. + + let v_trans_x, v_trans_y, shrink_by; // resulting translation vector for inPt + + // good reading for geometry algorithms (here: line-line intersection) + // http://geomalgorithms.com/a05-_intersect-1.html + + const v_prev_x = inPt.x - inPrev.x, + v_prev_y = inPt.y - inPrev.y; + const v_next_x = inNext.x - inPt.x, + v_next_y = inNext.y - inPt.y; + + const v_prev_lensq = ( v_prev_x * v_prev_x + v_prev_y * v_prev_y ); + + // check for collinear edges + const collinear0 = ( v_prev_x * v_next_y - v_prev_y * v_next_x ); + + if ( Math.abs( collinear0 ) > Number.EPSILON ) { + + // not collinear + + // length of vectors for normalizing + + const v_prev_len = Math.sqrt( v_prev_lensq ); + const v_next_len = Math.sqrt( v_next_x * v_next_x + v_next_y * v_next_y ); + + // shift adjacent points by unit vectors to the left + + const ptPrevShift_x = ( inPrev.x - v_prev_y / v_prev_len ); + const ptPrevShift_y = ( inPrev.y + v_prev_x / v_prev_len ); + + const ptNextShift_x = ( inNext.x - v_next_y / v_next_len ); + const ptNextShift_y = ( inNext.y + v_next_x / v_next_len ); + + // scaling factor for v_prev to intersection point + + const sf = ( ( ptNextShift_x - ptPrevShift_x ) * v_next_y - + ( ptNextShift_y - ptPrevShift_y ) * v_next_x ) / + ( v_prev_x * v_next_y - v_prev_y * v_next_x ); + + // vector from inPt to intersection point + + v_trans_x = ( ptPrevShift_x + v_prev_x * sf - inPt.x ); + v_trans_y = ( ptPrevShift_y + v_prev_y * sf - inPt.y ); + + // Don't normalize!, otherwise sharp corners become ugly + // but prevent crazy spikes + const v_trans_lensq = ( v_trans_x * v_trans_x + v_trans_y * v_trans_y ); + if ( v_trans_lensq <= 2 ) { + + return new Vector2( v_trans_x, v_trans_y ); + + } else { + + shrink_by = Math.sqrt( v_trans_lensq / 2 ); + + } + + } else { + + // handle special case of collinear edges + + let direction_eq = false; // assumes: opposite + + if ( v_prev_x > Number.EPSILON ) { + + if ( v_next_x > Number.EPSILON ) { + + direction_eq = true; + + } + + } else { + + if ( v_prev_x < - Number.EPSILON ) { + + if ( v_next_x < - Number.EPSILON ) { + + direction_eq = true; + + } + + } else { + + if ( Math.sign( v_prev_y ) === Math.sign( v_next_y ) ) { + + direction_eq = true; + + } + + } + + } + + if ( direction_eq ) { + + // console.log("Warning: lines are a straight sequence"); + v_trans_x = - v_prev_y; + v_trans_y = v_prev_x; + shrink_by = Math.sqrt( v_prev_lensq ); + + } else { + + // console.log("Warning: lines are a straight spike"); + v_trans_x = v_prev_x; + v_trans_y = v_prev_y; + shrink_by = Math.sqrt( v_prev_lensq / 2 ); + + } + + } + + return new Vector2( v_trans_x / shrink_by, v_trans_y / shrink_by ); + + } + + + const contourMovements = []; + + for ( let i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) { + + if ( j === il ) j = 0; + if ( k === il ) k = 0; + + // (j)---(i)---(k) + // console.log('i,j,k', i, j , k) + + contourMovements[ i ] = getBevelVec( contour[ i ], contour[ j ], contour[ k ] ); + + } + + const holesMovements = []; + let oneHoleMovements, verticesMovements = contourMovements.concat(); + + for ( let h = 0, hl = holes.length; h < hl; h ++ ) { + + const ahole = holes[ h ]; + + oneHoleMovements = []; + + for ( let i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) { + + if ( j === il ) j = 0; + if ( k === il ) k = 0; + + // (j)---(i)---(k) + oneHoleMovements[ i ] = getBevelVec( ahole[ i ], ahole[ j ], ahole[ k ] ); + + } + + holesMovements.push( oneHoleMovements ); + verticesMovements = verticesMovements.concat( oneHoleMovements ); + + } + + + // Loop bevelSegments, 1 for the front, 1 for the back + + for ( let b = 0; b < bevelSegments; b ++ ) { + + //for ( b = bevelSegments; b > 0; b -- ) { + + const t = b / bevelSegments; + const z = bevelThickness * Math.cos( t * Math.PI / 2 ); + const bs = bevelSize * Math.sin( t * Math.PI / 2 ) + bevelOffset; + + // contract shape + + for ( let i = 0, il = contour.length; i < il; i ++ ) { + + const vert = scalePt2( contour[ i ], contourMovements[ i ], bs ); + + v( vert.x, vert.y, - z ); + + } + + // expand holes + + for ( let h = 0, hl = holes.length; h < hl; h ++ ) { + + const ahole = holes[ h ]; + oneHoleMovements = holesMovements[ h ]; + + for ( let i = 0, il = ahole.length; i < il; i ++ ) { + + const vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs ); + + v( vert.x, vert.y, - z ); + + } + + } + + } + + const bs = bevelSize + bevelOffset; + + // Back facing vertices + + for ( let i = 0; i < vlen; i ++ ) { + + const vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ]; + + if ( ! extrudeByPath ) { + + v( vert.x, vert.y, 0 ); + + } else { + + // v( vert.x, vert.y + extrudePts[ 0 ].y, extrudePts[ 0 ].x ); + + normal.copy( splineTube.normals[ 0 ] ).multiplyScalar( vert.x ); + binormal.copy( splineTube.binormals[ 0 ] ).multiplyScalar( vert.y ); + + position2.copy( extrudePts[ 0 ] ).add( normal ).add( binormal ); + + v( position2.x, position2.y, position2.z ); + + } + + } + + // Add stepped vertices... + // Including front facing vertices + + for ( let s = 1; s <= steps; s ++ ) { + + for ( let i = 0; i < vlen; i ++ ) { + + const vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ]; + + if ( ! extrudeByPath ) { + + v( vert.x, vert.y, depth / steps * s ); + + } else { + + // v( vert.x, vert.y + extrudePts[ s - 1 ].y, extrudePts[ s - 1 ].x ); + + normal.copy( splineTube.normals[ s ] ).multiplyScalar( vert.x ); + binormal.copy( splineTube.binormals[ s ] ).multiplyScalar( vert.y ); + + position2.copy( extrudePts[ s ] ).add( normal ).add( binormal ); + + v( position2.x, position2.y, position2.z ); + + } + + } + + } + + + // Add bevel segments planes + + //for ( b = 1; b <= bevelSegments; b ++ ) { + for ( let b = bevelSegments - 1; b >= 0; b -- ) { + + const t = b / bevelSegments; + const z = bevelThickness * Math.cos( t * Math.PI / 2 ); + const bs = bevelSize * Math.sin( t * Math.PI / 2 ) + bevelOffset; + + // contract shape + + for ( let i = 0, il = contour.length; i < il; i ++ ) { + + const vert = scalePt2( contour[ i ], contourMovements[ i ], bs ); + v( vert.x, vert.y, depth + z ); + + } + + // expand holes + + for ( let h = 0, hl = holes.length; h < hl; h ++ ) { + + const ahole = holes[ h ]; + oneHoleMovements = holesMovements[ h ]; + + for ( let i = 0, il = ahole.length; i < il; i ++ ) { + + const vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs ); + + if ( ! extrudeByPath ) { + + v( vert.x, vert.y, depth + z ); + + } else { + + v( vert.x, vert.y + extrudePts[ steps - 1 ].y, extrudePts[ steps - 1 ].x + z ); + + } + + } + + } + + } + + /* Faces */ + + // Top and bottom faces + + buildLidFaces(); + + // Sides faces + + buildSideFaces(); + + + ///// Internal functions + + function buildLidFaces() { + + const start = verticesArray.length / 3; + + if ( bevelEnabled ) { + + let layer = 0; // steps + 1 + let offset = vlen * layer; + + // Bottom faces + + for ( let i = 0; i < flen; i ++ ) { + + const face = faces[ i ]; + f3( face[ 2 ] + offset, face[ 1 ] + offset, face[ 0 ] + offset ); + + } + + layer = steps + bevelSegments * 2; + offset = vlen * layer; + + // Top faces + + for ( let i = 0; i < flen; i ++ ) { + + const face = faces[ i ]; + f3( face[ 0 ] + offset, face[ 1 ] + offset, face[ 2 ] + offset ); + + } + + } else { + + // Bottom faces + + for ( let i = 0; i < flen; i ++ ) { + + const face = faces[ i ]; + f3( face[ 2 ], face[ 1 ], face[ 0 ] ); + + } + + // Top faces + + for ( let i = 0; i < flen; i ++ ) { + + const face = faces[ i ]; + f3( face[ 0 ] + vlen * steps, face[ 1 ] + vlen * steps, face[ 2 ] + vlen * steps ); + + } + + } + + scope.addGroup( start, verticesArray.length / 3 - start, 0 ); + + } + + // Create faces for the z-sides of the shape + + function buildSideFaces() { + + const start = verticesArray.length / 3; + let layeroffset = 0; + sidewalls( contour, layeroffset ); + layeroffset += contour.length; + + for ( let h = 0, hl = holes.length; h < hl; h ++ ) { + + const ahole = holes[ h ]; + sidewalls( ahole, layeroffset ); + + //, true + layeroffset += ahole.length; + + } + + + scope.addGroup( start, verticesArray.length / 3 - start, 1 ); + + + } + + function sidewalls( contour, layeroffset ) { + + let i = contour.length; + + while ( -- i >= 0 ) { + + const j = i; + let k = i - 1; + if ( k < 0 ) k = contour.length - 1; + + //console.log('b', i,j, i-1, k,vertices.length); + + for ( let s = 0, sl = ( steps + bevelSegments * 2 ); s < sl; s ++ ) { + + const slen1 = vlen * s; + const slen2 = vlen * ( s + 1 ); + + const a = layeroffset + j + slen1, + b = layeroffset + k + slen1, + c = layeroffset + k + slen2, + d = layeroffset + j + slen2; + + f4( a, b, c, d ); + + } + + } + + } + + function v( x, y, z ) { + + placeholder.push( x ); + placeholder.push( y ); + placeholder.push( z ); + + } + + + function f3( a, b, c ) { + + addVertex( a ); + addVertex( b ); + addVertex( c ); + + const nextIndex = verticesArray.length / 3; + const uvs = uvgen.generateTopUV( scope, verticesArray, nextIndex - 3, nextIndex - 2, nextIndex - 1 ); + + addUV( uvs[ 0 ] ); + addUV( uvs[ 1 ] ); + addUV( uvs[ 2 ] ); + + } + + function f4( a, b, c, d ) { + + addVertex( a ); + addVertex( b ); + addVertex( d ); + + addVertex( b ); + addVertex( c ); + addVertex( d ); + + + const nextIndex = verticesArray.length / 3; + const uvs = uvgen.generateSideWallUV( scope, verticesArray, nextIndex - 6, nextIndex - 3, nextIndex - 2, nextIndex - 1 ); + + addUV( uvs[ 0 ] ); + addUV( uvs[ 1 ] ); + addUV( uvs[ 3 ] ); + + addUV( uvs[ 1 ] ); + addUV( uvs[ 2 ] ); + addUV( uvs[ 3 ] ); + + } + + function addVertex( index ) { + + verticesArray.push( placeholder[ index * 3 + 0 ] ); + verticesArray.push( placeholder[ index * 3 + 1 ] ); + verticesArray.push( placeholder[ index * 3 + 2 ] ); + + } + + + function addUV( vector2 ) { + + uvArray.push( vector2.x ); + uvArray.push( vector2.y ); + + } + + } + + } + + toJSON() { + + const data = super.toJSON(); + + const shapes = this.parameters.shapes; + const options = this.parameters.options; + + return toJSON$1( shapes, options, data ); + + } + + static fromJSON( data, shapes ) { + + const geometryShapes = []; + + for ( let j = 0, jl = data.shapes.length; j < jl; j ++ ) { + + const shape = shapes[ data.shapes[ j ] ]; + + geometryShapes.push( shape ); + + } + + const extrudePath = data.options.extrudePath; + + if ( extrudePath !== undefined ) { + + data.options.extrudePath = new Curves[ extrudePath.type ]().fromJSON( extrudePath ); + + } + + return new ExtrudeGeometry( geometryShapes, data.options ); + + } + +} + +const WorldUVGenerator = { + + generateTopUV: function ( geometry, vertices, indexA, indexB, indexC ) { + + const a_x = vertices[ indexA * 3 ]; + const a_y = vertices[ indexA * 3 + 1 ]; + const b_x = vertices[ indexB * 3 ]; + const b_y = vertices[ indexB * 3 + 1 ]; + const c_x = vertices[ indexC * 3 ]; + const c_y = vertices[ indexC * 3 + 1 ]; + + return [ + new Vector2( a_x, a_y ), + new Vector2( b_x, b_y ), + new Vector2( c_x, c_y ) + ]; + + }, + + generateSideWallUV: function ( geometry, vertices, indexA, indexB, indexC, indexD ) { + + const a_x = vertices[ indexA * 3 ]; + const a_y = vertices[ indexA * 3 + 1 ]; + const a_z = vertices[ indexA * 3 + 2 ]; + const b_x = vertices[ indexB * 3 ]; + const b_y = vertices[ indexB * 3 + 1 ]; + const b_z = vertices[ indexB * 3 + 2 ]; + const c_x = vertices[ indexC * 3 ]; + const c_y = vertices[ indexC * 3 + 1 ]; + const c_z = vertices[ indexC * 3 + 2 ]; + const d_x = vertices[ indexD * 3 ]; + const d_y = vertices[ indexD * 3 + 1 ]; + const d_z = vertices[ indexD * 3 + 2 ]; + + if ( Math.abs( a_y - b_y ) < Math.abs( a_x - b_x ) ) { + + return [ + new Vector2( a_x, 1 - a_z ), + new Vector2( b_x, 1 - b_z ), + new Vector2( c_x, 1 - c_z ), + new Vector2( d_x, 1 - d_z ) + ]; + + } else { + + return [ + new Vector2( a_y, 1 - a_z ), + new Vector2( b_y, 1 - b_z ), + new Vector2( c_y, 1 - c_z ), + new Vector2( d_y, 1 - d_z ) + ]; + + } + + } + +}; + +function toJSON$1( shapes, options, data ) { + + data.shapes = []; + + if ( Array.isArray( shapes ) ) { + + for ( let i = 0, l = shapes.length; i < l; i ++ ) { + + const shape = shapes[ i ]; + + data.shapes.push( shape.uuid ); + + } + + } else { + + data.shapes.push( shapes.uuid ); + + } + + data.options = Object.assign( {}, options ); + + if ( options.extrudePath !== undefined ) data.options.extrudePath = options.extrudePath.toJSON(); + + return data; + +} + +class IcosahedronGeometry extends PolyhedronGeometry { + + constructor( radius = 1, detail = 0 ) { + + const t = ( 1 + Math.sqrt( 5 ) ) / 2; + + const vertices = [ + - 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t, 0, + 0, - 1, t, 0, 1, t, 0, - 1, - t, 0, 1, - t, + t, 0, - 1, t, 0, 1, - t, 0, - 1, - t, 0, 1 + ]; + + const indices = [ + 0, 11, 5, 0, 5, 1, 0, 1, 7, 0, 7, 10, 0, 10, 11, + 1, 5, 9, 5, 11, 4, 11, 10, 2, 10, 7, 6, 7, 1, 8, + 3, 9, 4, 3, 4, 2, 3, 2, 6, 3, 6, 8, 3, 8, 9, + 4, 9, 5, 2, 4, 11, 6, 2, 10, 8, 6, 7, 9, 8, 1 + ]; + + super( vertices, indices, radius, detail ); + + this.type = 'IcosahedronGeometry'; + + this.parameters = { + radius: radius, + detail: detail + }; + + } + + static fromJSON( data ) { + + return new IcosahedronGeometry( data.radius, data.detail ); + + } + +} + +class OctahedronGeometry extends PolyhedronGeometry { + + constructor( radius = 1, detail = 0 ) { + + const vertices = [ + 1, 0, 0, - 1, 0, 0, 0, 1, 0, + 0, - 1, 0, 0, 0, 1, 0, 0, - 1 + ]; + + const indices = [ + 0, 2, 4, 0, 4, 3, 0, 3, 5, + 0, 5, 2, 1, 2, 5, 1, 5, 3, + 1, 3, 4, 1, 4, 2 + ]; + + super( vertices, indices, radius, detail ); + + this.type = 'OctahedronGeometry'; + + this.parameters = { + radius: radius, + detail: detail + }; + + } + + static fromJSON( data ) { + + return new OctahedronGeometry( data.radius, data.detail ); + + } + +} + +class RingGeometry extends BufferGeometry { + + constructor( innerRadius = 0.5, outerRadius = 1, thetaSegments = 8, phiSegments = 1, thetaStart = 0, thetaLength = Math.PI * 2 ) { + + super(); + + this.type = 'RingGeometry'; + + this.parameters = { + innerRadius: innerRadius, + outerRadius: outerRadius, + thetaSegments: thetaSegments, + phiSegments: phiSegments, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + + thetaSegments = Math.max( 3, thetaSegments ); + phiSegments = Math.max( 1, phiSegments ); + + // buffers + + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + + // some helper variables + + let radius = innerRadius; + const radiusStep = ( ( outerRadius - innerRadius ) / phiSegments ); + const vertex = new Vector3(); + const uv = new Vector2(); + + // generate vertices, normals and uvs + + for ( let j = 0; j <= phiSegments; j ++ ) { + + for ( let i = 0; i <= thetaSegments; i ++ ) { + + // values are generate from the inside of the ring to the outside + + const segment = thetaStart + i / thetaSegments * thetaLength; + + // vertex + + vertex.x = radius * Math.cos( segment ); + vertex.y = radius * Math.sin( segment ); + + vertices.push( vertex.x, vertex.y, vertex.z ); + + // normal + + normals.push( 0, 0, 1 ); + + // uv + + uv.x = ( vertex.x / outerRadius + 1 ) / 2; + uv.y = ( vertex.y / outerRadius + 1 ) / 2; + + uvs.push( uv.x, uv.y ); + + } + + // increase the radius for next row of vertices + + radius += radiusStep; + + } + + // indices + + for ( let j = 0; j < phiSegments; j ++ ) { + + const thetaSegmentLevel = j * ( thetaSegments + 1 ); + + for ( let i = 0; i < thetaSegments; i ++ ) { + + const segment = i + thetaSegmentLevel; + + const a = segment; + const b = segment + thetaSegments + 1; + const c = segment + thetaSegments + 2; + const d = segment + 1; + + // faces + + indices.push( a, b, d ); + indices.push( b, c, d ); + + } + + } + + // build geometry + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + + } + + static fromJSON( data ) { + + return new RingGeometry( data.innerRadius, data.outerRadius, data.thetaSegments, data.phiSegments, data.thetaStart, data.thetaLength ); + + } + +} + +class ShapeGeometry extends BufferGeometry { + + constructor( shapes = new Shape( [ new Vector2( 0, 0.5 ), new Vector2( - 0.5, - 0.5 ), new Vector2( 0.5, - 0.5 ) ] ), curveSegments = 12 ) { + + super(); + this.type = 'ShapeGeometry'; + + this.parameters = { + shapes: shapes, + curveSegments: curveSegments + }; + + // buffers + + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + + // helper variables + + let groupStart = 0; + let groupCount = 0; + + // allow single and array values for "shapes" parameter + + if ( Array.isArray( shapes ) === false ) { + + addShape( shapes ); + + } else { + + for ( let i = 0; i < shapes.length; i ++ ) { + + addShape( shapes[ i ] ); + + this.addGroup( groupStart, groupCount, i ); // enables MultiMaterial support + + groupStart += groupCount; + groupCount = 0; + + } + + } + + // build geometry + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + + + // helper functions + + function addShape( shape ) { + + const indexOffset = vertices.length / 3; + const points = shape.extractPoints( curveSegments ); + + let shapeVertices = points.shape; + const shapeHoles = points.holes; + + // check direction of vertices + + if ( ShapeUtils.isClockWise( shapeVertices ) === false ) { + + shapeVertices = shapeVertices.reverse(); + + } + + for ( let i = 0, l = shapeHoles.length; i < l; i ++ ) { + + const shapeHole = shapeHoles[ i ]; + + if ( ShapeUtils.isClockWise( shapeHole ) === true ) { + + shapeHoles[ i ] = shapeHole.reverse(); + + } + + } + + const faces = ShapeUtils.triangulateShape( shapeVertices, shapeHoles ); + + // join vertices of inner and outer paths to a single array + + for ( let i = 0, l = shapeHoles.length; i < l; i ++ ) { + + const shapeHole = shapeHoles[ i ]; + shapeVertices = shapeVertices.concat( shapeHole ); + + } + + // vertices, normals, uvs + + for ( let i = 0, l = shapeVertices.length; i < l; i ++ ) { + + const vertex = shapeVertices[ i ]; + + vertices.push( vertex.x, vertex.y, 0 ); + normals.push( 0, 0, 1 ); + uvs.push( vertex.x, vertex.y ); // world uvs + + } + + // incides + + for ( let i = 0, l = faces.length; i < l; i ++ ) { + + const face = faces[ i ]; + + const a = face[ 0 ] + indexOffset; + const b = face[ 1 ] + indexOffset; + const c = face[ 2 ] + indexOffset; + + indices.push( a, b, c ); + groupCount += 3; + + } + + } + + } + + toJSON() { + + const data = super.toJSON(); + + const shapes = this.parameters.shapes; + + return toJSON( shapes, data ); + + } + + static fromJSON( data, shapes ) { + + const geometryShapes = []; + + for ( let j = 0, jl = data.shapes.length; j < jl; j ++ ) { + + const shape = shapes[ data.shapes[ j ] ]; + + geometryShapes.push( shape ); + + } + + return new ShapeGeometry( geometryShapes, data.curveSegments ); + + } + +} + +function toJSON( shapes, data ) { + + data.shapes = []; + + if ( Array.isArray( shapes ) ) { + + for ( let i = 0, l = shapes.length; i < l; i ++ ) { + + const shape = shapes[ i ]; + + data.shapes.push( shape.uuid ); + + } + + } else { + + data.shapes.push( shapes.uuid ); + + } + + return data; + +} + +class SphereGeometry extends BufferGeometry { + + constructor( radius = 1, widthSegments = 32, heightSegments = 16, phiStart = 0, phiLength = Math.PI * 2, thetaStart = 0, thetaLength = Math.PI ) { + + super(); + this.type = 'SphereGeometry'; + + this.parameters = { + radius: radius, + widthSegments: widthSegments, + heightSegments: heightSegments, + phiStart: phiStart, + phiLength: phiLength, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + + widthSegments = Math.max( 3, Math.floor( widthSegments ) ); + heightSegments = Math.max( 2, Math.floor( heightSegments ) ); + + const thetaEnd = Math.min( thetaStart + thetaLength, Math.PI ); + + let index = 0; + const grid = []; + + const vertex = new Vector3(); + const normal = new Vector3(); + + // buffers + + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + + // generate vertices, normals and uvs + + for ( let iy = 0; iy <= heightSegments; iy ++ ) { + + const verticesRow = []; + + const v = iy / heightSegments; + + // special case for the poles + + let uOffset = 0; + + if ( iy == 0 && thetaStart == 0 ) { + + uOffset = 0.5 / widthSegments; + + } else if ( iy == heightSegments && thetaEnd == Math.PI ) { + + uOffset = - 0.5 / widthSegments; + + } + + for ( let ix = 0; ix <= widthSegments; ix ++ ) { + + const u = ix / widthSegments; + + // vertex + + vertex.x = - radius * Math.cos( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength ); + vertex.y = radius * Math.cos( thetaStart + v * thetaLength ); + vertex.z = radius * Math.sin( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength ); + + vertices.push( vertex.x, vertex.y, vertex.z ); + + // normal + + normal.copy( vertex ).normalize(); + normals.push( normal.x, normal.y, normal.z ); + + // uv + + uvs.push( u + uOffset, 1 - v ); + + verticesRow.push( index ++ ); + + } + + grid.push( verticesRow ); + + } + + // indices + + for ( let iy = 0; iy < heightSegments; iy ++ ) { + + for ( let ix = 0; ix < widthSegments; ix ++ ) { + + const a = grid[ iy ][ ix + 1 ]; + const b = grid[ iy ][ ix ]; + const c = grid[ iy + 1 ][ ix ]; + const d = grid[ iy + 1 ][ ix + 1 ]; + + if ( iy !== 0 || thetaStart > 0 ) indices.push( a, b, d ); + if ( iy !== heightSegments - 1 || thetaEnd < Math.PI ) indices.push( b, c, d ); + + } + + } + + // build geometry + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + + } + + static fromJSON( data ) { + + return new SphereGeometry( data.radius, data.widthSegments, data.heightSegments, data.phiStart, data.phiLength, data.thetaStart, data.thetaLength ); + + } + +} + +class TetrahedronGeometry extends PolyhedronGeometry { + + constructor( radius = 1, detail = 0 ) { + + const vertices = [ + 1, 1, 1, - 1, - 1, 1, - 1, 1, - 1, 1, - 1, - 1 + ]; + + const indices = [ + 2, 1, 0, 0, 3, 2, 1, 3, 0, 2, 3, 1 + ]; + + super( vertices, indices, radius, detail ); + + this.type = 'TetrahedronGeometry'; + + this.parameters = { + radius: radius, + detail: detail + }; + + } + + static fromJSON( data ) { + + return new TetrahedronGeometry( data.radius, data.detail ); + + } + +} + +class TorusGeometry extends BufferGeometry { + + constructor( radius = 1, tube = 0.4, radialSegments = 8, tubularSegments = 6, arc = Math.PI * 2 ) { + + super(); + this.type = 'TorusGeometry'; + + this.parameters = { + radius: radius, + tube: tube, + radialSegments: radialSegments, + tubularSegments: tubularSegments, + arc: arc + }; + + radialSegments = Math.floor( radialSegments ); + tubularSegments = Math.floor( tubularSegments ); + + // buffers + + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + + // helper variables + + const center = new Vector3(); + const vertex = new Vector3(); + const normal = new Vector3(); + + // generate vertices, normals and uvs + + for ( let j = 0; j <= radialSegments; j ++ ) { + + for ( let i = 0; i <= tubularSegments; i ++ ) { + + const u = i / tubularSegments * arc; + const v = j / radialSegments * Math.PI * 2; + + // vertex + + vertex.x = ( radius + tube * Math.cos( v ) ) * Math.cos( u ); + vertex.y = ( radius + tube * Math.cos( v ) ) * Math.sin( u ); + vertex.z = tube * Math.sin( v ); + + vertices.push( vertex.x, vertex.y, vertex.z ); + + // normal + + center.x = radius * Math.cos( u ); + center.y = radius * Math.sin( u ); + normal.subVectors( vertex, center ).normalize(); + + normals.push( normal.x, normal.y, normal.z ); + + // uv + + uvs.push( i / tubularSegments ); + uvs.push( j / radialSegments ); + + } + + } + + // generate indices + + for ( let j = 1; j <= radialSegments; j ++ ) { + + for ( let i = 1; i <= tubularSegments; i ++ ) { + + // indices + + const a = ( tubularSegments + 1 ) * j + i - 1; + const b = ( tubularSegments + 1 ) * ( j - 1 ) + i - 1; + const c = ( tubularSegments + 1 ) * ( j - 1 ) + i; + const d = ( tubularSegments + 1 ) * j + i; + + // faces + + indices.push( a, b, d ); + indices.push( b, c, d ); + + } + + } + + // build geometry + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + + } + + static fromJSON( data ) { + + return new TorusGeometry( data.radius, data.tube, data.radialSegments, data.tubularSegments, data.arc ); + + } + +} + +class TorusKnotGeometry extends BufferGeometry { + + constructor( radius = 1, tube = 0.4, tubularSegments = 64, radialSegments = 8, p = 2, q = 3 ) { + + super(); + this.type = 'TorusKnotGeometry'; + + this.parameters = { + radius: radius, + tube: tube, + tubularSegments: tubularSegments, + radialSegments: radialSegments, + p: p, + q: q + }; + + tubularSegments = Math.floor( tubularSegments ); + radialSegments = Math.floor( radialSegments ); + + // buffers + + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + + // helper variables + + const vertex = new Vector3(); + const normal = new Vector3(); + + const P1 = new Vector3(); + const P2 = new Vector3(); + + const B = new Vector3(); + const T = new Vector3(); + const N = new Vector3(); + + // generate vertices, normals and uvs + + for ( let i = 0; i <= tubularSegments; ++ i ) { + + // the radian "u" is used to calculate the position on the torus curve of the current tubular segment + + const u = i / tubularSegments * p * Math.PI * 2; + + // now we calculate two points. P1 is our current position on the curve, P2 is a little farther ahead. + // these points are used to create a special "coordinate space", which is necessary to calculate the correct vertex positions + + calculatePositionOnCurve( u, p, q, radius, P1 ); + calculatePositionOnCurve( u + 0.01, p, q, radius, P2 ); + + // calculate orthonormal basis + + T.subVectors( P2, P1 ); + N.addVectors( P2, P1 ); + B.crossVectors( T, N ); + N.crossVectors( B, T ); + + // normalize B, N. T can be ignored, we don't use it + + B.normalize(); + N.normalize(); + + for ( let j = 0; j <= radialSegments; ++ j ) { + + // now calculate the vertices. they are nothing more than an extrusion of the torus curve. + // because we extrude a shape in the xy-plane, there is no need to calculate a z-value. + + const v = j / radialSegments * Math.PI * 2; + const cx = - tube * Math.cos( v ); + const cy = tube * Math.sin( v ); + + // now calculate the final vertex position. + // first we orient the extrusion with our basis vectors, then we add it to the current position on the curve + + vertex.x = P1.x + ( cx * N.x + cy * B.x ); + vertex.y = P1.y + ( cx * N.y + cy * B.y ); + vertex.z = P1.z + ( cx * N.z + cy * B.z ); + + vertices.push( vertex.x, vertex.y, vertex.z ); + + // normal (P1 is always the center/origin of the extrusion, thus we can use it to calculate the normal) + + normal.subVectors( vertex, P1 ).normalize(); + + normals.push( normal.x, normal.y, normal.z ); + + // uv + + uvs.push( i / tubularSegments ); + uvs.push( j / radialSegments ); + + } + + } + + // generate indices + + for ( let j = 1; j <= tubularSegments; j ++ ) { + + for ( let i = 1; i <= radialSegments; i ++ ) { + + // indices + + const a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 ); + const b = ( radialSegments + 1 ) * j + ( i - 1 ); + const c = ( radialSegments + 1 ) * j + i; + const d = ( radialSegments + 1 ) * ( j - 1 ) + i; + + // faces + + indices.push( a, b, d ); + indices.push( b, c, d ); + + } + + } + + // build geometry + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + + // this function calculates the current position on the torus curve + + function calculatePositionOnCurve( u, p, q, radius, position ) { + + const cu = Math.cos( u ); + const su = Math.sin( u ); + const quOverP = q / p * u; + const cs = Math.cos( quOverP ); + + position.x = radius * ( 2 + cs ) * 0.5 * cu; + position.y = radius * ( 2 + cs ) * su * 0.5; + position.z = radius * Math.sin( quOverP ) * 0.5; + + } + + } + + static fromJSON( data ) { + + return new TorusKnotGeometry( data.radius, data.tube, data.tubularSegments, data.radialSegments, data.p, data.q ); + + } + +} + +class TubeGeometry extends BufferGeometry { + + constructor( path = new QuadraticBezierCurve3( new Vector3( - 1, - 1, 0 ), new Vector3( - 1, 1, 0 ), new Vector3( 1, 1, 0 ) ), tubularSegments = 64, radius = 1, radialSegments = 8, closed = false ) { + + super(); + this.type = 'TubeGeometry'; + + this.parameters = { + path: path, + tubularSegments: tubularSegments, + radius: radius, + radialSegments: radialSegments, + closed: closed + }; + + const frames = path.computeFrenetFrames( tubularSegments, closed ); + + // expose internals + + this.tangents = frames.tangents; + this.normals = frames.normals; + this.binormals = frames.binormals; + + // helper variables + + const vertex = new Vector3(); + const normal = new Vector3(); + const uv = new Vector2(); + let P = new Vector3(); + + // buffer + + const vertices = []; + const normals = []; + const uvs = []; + const indices = []; + + // create buffer data + + generateBufferData(); + + // build geometry + + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + + // functions + + function generateBufferData() { + + for ( let i = 0; i < tubularSegments; i ++ ) { + + generateSegment( i ); + + } + + // if the geometry is not closed, generate the last row of vertices and normals + // at the regular position on the given path + // + // if the geometry is closed, duplicate the first row of vertices and normals (uvs will differ) + + generateSegment( ( closed === false ) ? tubularSegments : 0 ); + + // uvs are generated in a separate function. + // this makes it easy compute correct values for closed geometries + + generateUVs(); + + // finally create faces + + generateIndices(); + + } + + function generateSegment( i ) { + + // we use getPointAt to sample evenly distributed points from the given path + + P = path.getPointAt( i / tubularSegments, P ); + + // retrieve corresponding normal and binormal + + const N = frames.normals[ i ]; + const B = frames.binormals[ i ]; + + // generate normals and vertices for the current segment + + for ( let j = 0; j <= radialSegments; j ++ ) { + + const v = j / radialSegments * Math.PI * 2; + + const sin = Math.sin( v ); + const cos = - Math.cos( v ); + + // normal + + normal.x = ( cos * N.x + sin * B.x ); + normal.y = ( cos * N.y + sin * B.y ); + normal.z = ( cos * N.z + sin * B.z ); + normal.normalize(); + + normals.push( normal.x, normal.y, normal.z ); + + // vertex + + vertex.x = P.x + radius * normal.x; + vertex.y = P.y + radius * normal.y; + vertex.z = P.z + radius * normal.z; + + vertices.push( vertex.x, vertex.y, vertex.z ); + + } + + } + + function generateIndices() { + + for ( let j = 1; j <= tubularSegments; j ++ ) { + + for ( let i = 1; i <= radialSegments; i ++ ) { + + const a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 ); + const b = ( radialSegments + 1 ) * j + ( i - 1 ); + const c = ( radialSegments + 1 ) * j + i; + const d = ( radialSegments + 1 ) * ( j - 1 ) + i; + + // faces + + indices.push( a, b, d ); + indices.push( b, c, d ); + + } + + } + + } + + function generateUVs() { + + for ( let i = 0; i <= tubularSegments; i ++ ) { + + for ( let j = 0; j <= radialSegments; j ++ ) { + + uv.x = i / tubularSegments; + uv.y = j / radialSegments; + + uvs.push( uv.x, uv.y ); + + } + + } + + } + + } + + toJSON() { + + const data = super.toJSON(); + + data.path = this.parameters.path.toJSON(); + + return data; + + } + + static fromJSON( data ) { + + // This only works for built-in curves (e.g. CatmullRomCurve3). + // User defined curves or instances of CurvePath will not be deserialized. + return new TubeGeometry( + new Curves[ data.path.type ]().fromJSON( data.path ), + data.tubularSegments, + data.radius, + data.radialSegments, + data.closed + ); + + } + +} + +class WireframeGeometry extends BufferGeometry { + + constructor( geometry = null ) { + + super(); + this.type = 'WireframeGeometry'; + + this.parameters = { + geometry: geometry + }; + + if ( geometry !== null ) { + + // buffer + + const vertices = []; + const edges = new Set(); + + // helper variables + + const start = new Vector3(); + const end = new Vector3(); + + if ( geometry.index !== null ) { + + // indexed BufferGeometry + + const position = geometry.attributes.position; + const indices = geometry.index; + let groups = geometry.groups; + + if ( groups.length === 0 ) { + + groups = [ { start: 0, count: indices.count, materialIndex: 0 } ]; + + } + + // create a data structure that contains all edges without duplicates + + for ( let o = 0, ol = groups.length; o < ol; ++ o ) { + + const group = groups[ o ]; + + const groupStart = group.start; + const groupCount = group.count; + + for ( let i = groupStart, l = ( groupStart + groupCount ); i < l; i += 3 ) { + + for ( let j = 0; j < 3; j ++ ) { + + const index1 = indices.getX( i + j ); + const index2 = indices.getX( i + ( j + 1 ) % 3 ); + + start.fromBufferAttribute( position, index1 ); + end.fromBufferAttribute( position, index2 ); + + if ( isUniqueEdge( start, end, edges ) === true ) { + + vertices.push( start.x, start.y, start.z ); + vertices.push( end.x, end.y, end.z ); + + } + + } + + } + + } + + } else { + + // non-indexed BufferGeometry + + const position = geometry.attributes.position; + + for ( let i = 0, l = ( position.count / 3 ); i < l; i ++ ) { + + for ( let j = 0; j < 3; j ++ ) { + + // three edges per triangle, an edge is represented as (index1, index2) + // e.g. the first triangle has the following edges: (0,1),(1,2),(2,0) + + const index1 = 3 * i + j; + const index2 = 3 * i + ( ( j + 1 ) % 3 ); + + start.fromBufferAttribute( position, index1 ); + end.fromBufferAttribute( position, index2 ); + + if ( isUniqueEdge( start, end, edges ) === true ) { + + vertices.push( start.x, start.y, start.z ); + vertices.push( end.x, end.y, end.z ); + + } + + } + + } + + } + + // build geometry + + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + + } + + } + +} + +function isUniqueEdge( start, end, edges ) { + + const hash1 = `${start.x},${start.y},${start.z}-${end.x},${end.y},${end.z}`; + const hash2 = `${end.x},${end.y},${end.z}-${start.x},${start.y},${start.z}`; // coincident edge + + if ( edges.has( hash1 ) === true || edges.has( hash2 ) === true ) { + + return false; + + } else { + + edges.add( hash1 ); + edges.add( hash2 ); + return true; + + } + +} + +var Geometries = /*#__PURE__*/Object.freeze({ + __proto__: null, + BoxGeometry: BoxGeometry, + BoxBufferGeometry: BoxGeometry, + CapsuleGeometry: CapsuleGeometry, + CapsuleBufferGeometry: CapsuleGeometry, + CircleGeometry: CircleGeometry, + CircleBufferGeometry: CircleGeometry, + ConeGeometry: ConeGeometry, + ConeBufferGeometry: ConeGeometry, + CylinderGeometry: CylinderGeometry, + CylinderBufferGeometry: CylinderGeometry, + DodecahedronGeometry: DodecahedronGeometry, + DodecahedronBufferGeometry: DodecahedronGeometry, + EdgesGeometry: EdgesGeometry, + ExtrudeGeometry: ExtrudeGeometry, + ExtrudeBufferGeometry: ExtrudeGeometry, + IcosahedronGeometry: IcosahedronGeometry, + IcosahedronBufferGeometry: IcosahedronGeometry, + LatheGeometry: LatheGeometry, + LatheBufferGeometry: LatheGeometry, + OctahedronGeometry: OctahedronGeometry, + OctahedronBufferGeometry: OctahedronGeometry, + PlaneGeometry: PlaneGeometry, + PlaneBufferGeometry: PlaneGeometry, + PolyhedronGeometry: PolyhedronGeometry, + PolyhedronBufferGeometry: PolyhedronGeometry, + RingGeometry: RingGeometry, + RingBufferGeometry: RingGeometry, + ShapeGeometry: ShapeGeometry, + ShapeBufferGeometry: ShapeGeometry, + SphereGeometry: SphereGeometry, + SphereBufferGeometry: SphereGeometry, + TetrahedronGeometry: TetrahedronGeometry, + TetrahedronBufferGeometry: TetrahedronGeometry, + TorusGeometry: TorusGeometry, + TorusBufferGeometry: TorusGeometry, + TorusKnotGeometry: TorusKnotGeometry, + TorusKnotBufferGeometry: TorusKnotGeometry, + TubeGeometry: TubeGeometry, + TubeBufferGeometry: TubeGeometry, + WireframeGeometry: WireframeGeometry +}); + +class ShadowMaterial extends Material { + + constructor( parameters ) { + + super(); + + this.isShadowMaterial = true; + + this.type = 'ShadowMaterial'; + + this.color = new Color( 0x000000 ); + this.transparent = true; + + this.fog = true; + + this.setValues( parameters ); + + } + + copy( source ) { + + super.copy( source ); + + this.color.copy( source.color ); + + this.fog = source.fog; + + return this; + + } + +} + +class RawShaderMaterial extends ShaderMaterial { + + constructor( parameters ) { + + super( parameters ); + + this.isRawShaderMaterial = true; + + this.type = 'RawShaderMaterial'; + + } + +} + +class MeshStandardMaterial extends Material { + + constructor( parameters ) { + + super(); + + this.isMeshStandardMaterial = true; + + this.defines = { 'STANDARD': '' }; + + this.type = 'MeshStandardMaterial'; + + this.color = new Color( 0xffffff ); // diffuse + this.roughness = 1.0; + this.metalness = 0.0; + + this.map = null; + + this.lightMap = null; + this.lightMapIntensity = 1.0; + + this.aoMap = null; + this.aoMapIntensity = 1.0; + + this.emissive = new Color( 0x000000 ); + this.emissiveIntensity = 1.0; + this.emissiveMap = null; + + this.bumpMap = null; + this.bumpScale = 1; + + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2( 1, 1 ); + + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + + this.roughnessMap = null; + + this.metalnessMap = null; + + this.alphaMap = null; + + this.envMap = null; + this.envMapIntensity = 1.0; + + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = 'round'; + this.wireframeLinejoin = 'round'; + + this.flatShading = false; + + this.fog = true; + + this.setValues( parameters ); + + } + + copy( source ) { + + super.copy( source ); + + this.defines = { 'STANDARD': '' }; + + this.color.copy( source.color ); + this.roughness = source.roughness; + this.metalness = source.metalness; + + this.map = source.map; + + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + + this.emissive.copy( source.emissive ); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; + + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy( source.normalScale ); + + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + + this.roughnessMap = source.roughnessMap; + + this.metalnessMap = source.metalnessMap; + + this.alphaMap = source.alphaMap; + + this.envMap = source.envMap; + this.envMapIntensity = source.envMapIntensity; + + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + + this.flatShading = source.flatShading; + + this.fog = source.fog; + + return this; + + } + +} + +class MeshPhysicalMaterial extends MeshStandardMaterial { + + constructor( parameters ) { + + super(); + + this.isMeshPhysicalMaterial = true; + + this.defines = { + + 'STANDARD': '', + 'PHYSICAL': '' + + }; + + this.type = 'MeshPhysicalMaterial'; + + this.clearcoatMap = null; + this.clearcoatRoughness = 0.0; + this.clearcoatRoughnessMap = null; + this.clearcoatNormalScale = new Vector2( 1, 1 ); + this.clearcoatNormalMap = null; + + this.ior = 1.5; + + Object.defineProperty( this, 'reflectivity', { + get: function () { + + return ( clamp( 2.5 * ( this.ior - 1 ) / ( this.ior + 1 ), 0, 1 ) ); + + }, + set: function ( reflectivity ) { + + this.ior = ( 1 + 0.4 * reflectivity ) / ( 1 - 0.4 * reflectivity ); + + } + } ); + + this.iridescenceMap = null; + this.iridescenceIOR = 1.3; + this.iridescenceThicknessRange = [ 100, 400 ]; + this.iridescenceThicknessMap = null; + + this.sheenColor = new Color( 0x000000 ); + this.sheenColorMap = null; + this.sheenRoughness = 1.0; + this.sheenRoughnessMap = null; + + this.transmissionMap = null; + + this.thickness = 0; + this.thicknessMap = null; + this.attenuationDistance = 0.0; + this.attenuationColor = new Color( 1, 1, 1 ); + + this.specularIntensity = 1.0; + this.specularIntensityMap = null; + this.specularColor = new Color( 1, 1, 1 ); + this.specularColorMap = null; + + this._sheen = 0.0; + this._clearcoat = 0; + this._iridescence = 0; + this._transmission = 0; + + this.setValues( parameters ); + + } + + get sheen() { + + return this._sheen; + + } + + set sheen( value ) { + + if ( this._sheen > 0 !== value > 0 ) { + + this.version ++; + + } + + this._sheen = value; + + } + + get clearcoat() { + + return this._clearcoat; + + } + + set clearcoat( value ) { + + if ( this._clearcoat > 0 !== value > 0 ) { + + this.version ++; + + } + + this._clearcoat = value; + + } + + get iridescence() { + + return this._iridescence; + + } + + set iridescence( value ) { + + if ( this._iridescence > 0 !== value > 0 ) { + + this.version ++; + + } + + this._iridescence = value; + + } + + get transmission() { + + return this._transmission; + + } + + set transmission( value ) { + + if ( this._transmission > 0 !== value > 0 ) { + + this.version ++; + + } + + this._transmission = value; + + } + + copy( source ) { + + super.copy( source ); + + this.defines = { + + 'STANDARD': '', + 'PHYSICAL': '' + + }; + + this.clearcoat = source.clearcoat; + this.clearcoatMap = source.clearcoatMap; + this.clearcoatRoughness = source.clearcoatRoughness; + this.clearcoatRoughnessMap = source.clearcoatRoughnessMap; + this.clearcoatNormalMap = source.clearcoatNormalMap; + this.clearcoatNormalScale.copy( source.clearcoatNormalScale ); + + this.ior = source.ior; + + this.iridescence = source.iridescence; + this.iridescenceMap = source.iridescenceMap; + this.iridescenceIOR = source.iridescenceIOR; + this.iridescenceThicknessRange = [ ...source.iridescenceThicknessRange ]; + this.iridescenceThicknessMap = source.iridescenceThicknessMap; + + this.sheen = source.sheen; + this.sheenColor.copy( source.sheenColor ); + this.sheenColorMap = source.sheenColorMap; + this.sheenRoughness = source.sheenRoughness; + this.sheenRoughnessMap = source.sheenRoughnessMap; + + this.transmission = source.transmission; + this.transmissionMap = source.transmissionMap; + + this.thickness = source.thickness; + this.thicknessMap = source.thicknessMap; + this.attenuationDistance = source.attenuationDistance; + this.attenuationColor.copy( source.attenuationColor ); + + this.specularIntensity = source.specularIntensity; + this.specularIntensityMap = source.specularIntensityMap; + this.specularColor.copy( source.specularColor ); + this.specularColorMap = source.specularColorMap; + + return this; + + } + +} + +class MeshPhongMaterial extends Material { + + constructor( parameters ) { + + super(); + + this.isMeshPhongMaterial = true; + + this.type = 'MeshPhongMaterial'; + + this.color = new Color( 0xffffff ); // diffuse + this.specular = new Color( 0x111111 ); + this.shininess = 30; + + this.map = null; + + this.lightMap = null; + this.lightMapIntensity = 1.0; + + this.aoMap = null; + this.aoMapIntensity = 1.0; + + this.emissive = new Color( 0x000000 ); + this.emissiveIntensity = 1.0; + this.emissiveMap = null; + + this.bumpMap = null; + this.bumpScale = 1; + + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2( 1, 1 ); + + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + + this.specularMap = null; + + this.alphaMap = null; + + this.envMap = null; + this.combine = MultiplyOperation; + this.reflectivity = 1; + this.refractionRatio = 0.98; + + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = 'round'; + this.wireframeLinejoin = 'round'; + + this.flatShading = false; + + this.fog = true; + + this.setValues( parameters ); + + } + + copy( source ) { + + super.copy( source ); + + this.color.copy( source.color ); + this.specular.copy( source.specular ); + this.shininess = source.shininess; + + this.map = source.map; + + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + + this.emissive.copy( source.emissive ); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; + + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy( source.normalScale ); + + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + + this.specularMap = source.specularMap; + + this.alphaMap = source.alphaMap; + + this.envMap = source.envMap; + this.combine = source.combine; + this.reflectivity = source.reflectivity; + this.refractionRatio = source.refractionRatio; + + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + + this.flatShading = source.flatShading; + + this.fog = source.fog; + + return this; + + } + +} + +class MeshToonMaterial extends Material { + + constructor( parameters ) { + + super(); + + this.isMeshToonMaterial = true; + + this.defines = { 'TOON': '' }; + + this.type = 'MeshToonMaterial'; + + this.color = new Color( 0xffffff ); + + this.map = null; + this.gradientMap = null; + + this.lightMap = null; + this.lightMapIntensity = 1.0; + + this.aoMap = null; + this.aoMapIntensity = 1.0; + + this.emissive = new Color( 0x000000 ); + this.emissiveIntensity = 1.0; + this.emissiveMap = null; + + this.bumpMap = null; + this.bumpScale = 1; + + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2( 1, 1 ); + + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + + this.alphaMap = null; + + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = 'round'; + this.wireframeLinejoin = 'round'; + + this.fog = true; + + this.setValues( parameters ); + + } + + copy( source ) { + + super.copy( source ); + + this.color.copy( source.color ); + + this.map = source.map; + this.gradientMap = source.gradientMap; + + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + + this.emissive.copy( source.emissive ); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; + + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy( source.normalScale ); + + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + + this.alphaMap = source.alphaMap; + + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + + this.fog = source.fog; + + return this; + + } + +} + +class MeshNormalMaterial extends Material { + + constructor( parameters ) { + + super(); + + this.isMeshNormalMaterial = true; + + this.type = 'MeshNormalMaterial'; + + this.bumpMap = null; + this.bumpScale = 1; + + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2( 1, 1 ); + + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + + this.wireframe = false; + this.wireframeLinewidth = 1; + + this.flatShading = false; + + this.setValues( parameters ); + + } + + copy( source ) { + + super.copy( source ); + + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy( source.normalScale ); + + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + + this.flatShading = source.flatShading; + + return this; + + } + +} + +class MeshLambertMaterial extends Material { + + constructor( parameters ) { + + super(); + + this.isMeshLambertMaterial = true; + + this.type = 'MeshLambertMaterial'; + + this.color = new Color( 0xffffff ); // diffuse + + this.map = null; + + this.lightMap = null; + this.lightMapIntensity = 1.0; + + this.aoMap = null; + this.aoMapIntensity = 1.0; + + this.emissive = new Color( 0x000000 ); + this.emissiveIntensity = 1.0; + this.emissiveMap = null; + + this.specularMap = null; + + this.alphaMap = null; + + this.envMap = null; + this.combine = MultiplyOperation; + this.reflectivity = 1; + this.refractionRatio = 0.98; + + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = 'round'; + this.wireframeLinejoin = 'round'; + + this.fog = true; + + this.setValues( parameters ); + + } + + copy( source ) { + + super.copy( source ); + + this.color.copy( source.color ); + + this.map = source.map; + + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + + this.emissive.copy( source.emissive ); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; + + this.specularMap = source.specularMap; + + this.alphaMap = source.alphaMap; + + this.envMap = source.envMap; + this.combine = source.combine; + this.reflectivity = source.reflectivity; + this.refractionRatio = source.refractionRatio; + + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + + this.fog = source.fog; + + return this; + + } + +} + +class MeshMatcapMaterial extends Material { + + constructor( parameters ) { + + super(); + + this.isMeshMatcapMaterial = true; + + this.defines = { 'MATCAP': '' }; + + this.type = 'MeshMatcapMaterial'; + + this.color = new Color( 0xffffff ); // diffuse + + this.matcap = null; + + this.map = null; + + this.bumpMap = null; + this.bumpScale = 1; + + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2( 1, 1 ); + + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + + this.alphaMap = null; + + this.flatShading = false; + + this.fog = true; + + this.setValues( parameters ); + + } + + + copy( source ) { + + super.copy( source ); + + this.defines = { 'MATCAP': '' }; + + this.color.copy( source.color ); + + this.matcap = source.matcap; + + this.map = source.map; + + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy( source.normalScale ); + + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + + this.alphaMap = source.alphaMap; + + this.flatShading = source.flatShading; + + this.fog = source.fog; + + return this; + + } + +} + +class LineDashedMaterial extends LineBasicMaterial { + + constructor( parameters ) { + + super(); + + this.isLineDashedMaterial = true; + + this.type = 'LineDashedMaterial'; + + this.scale = 1; + this.dashSize = 3; + this.gapSize = 1; + + this.setValues( parameters ); + + } + + copy( source ) { + + super.copy( source ); + + this.scale = source.scale; + this.dashSize = source.dashSize; + this.gapSize = source.gapSize; + + return this; + + } + +} + +const AnimationUtils = { + + // same as Array.prototype.slice, but also works on typed arrays + arraySlice: function ( array, from, to ) { + + if ( AnimationUtils.isTypedArray( array ) ) { + + // in ios9 array.subarray(from, undefined) will return empty array + // but array.subarray(from) or array.subarray(from, len) is correct + return new array.constructor( array.subarray( from, to !== undefined ? to : array.length ) ); + + } + + return array.slice( from, to ); + + }, + + // converts an array to a specific type + convertArray: function ( array, type, forceClone ) { + + if ( ! array || // let 'undefined' and 'null' pass + ! forceClone && array.constructor === type ) return array; + + if ( typeof type.BYTES_PER_ELEMENT === 'number' ) { + + return new type( array ); // create typed array + + } + + return Array.prototype.slice.call( array ); // create Array + + }, + + isTypedArray: function ( object ) { + + return ArrayBuffer.isView( object ) && + ! ( object instanceof DataView ); + + }, + + // returns an array by which times and values can be sorted + getKeyframeOrder: function ( times ) { + + function compareTime( i, j ) { + + return times[ i ] - times[ j ]; + + } + + const n = times.length; + const result = new Array( n ); + for ( let i = 0; i !== n; ++ i ) result[ i ] = i; + + result.sort( compareTime ); + + return result; + + }, + + // uses the array previously returned by 'getKeyframeOrder' to sort data + sortedArray: function ( values, stride, order ) { + + const nValues = values.length; + const result = new values.constructor( nValues ); + + for ( let i = 0, dstOffset = 0; dstOffset !== nValues; ++ i ) { + + const srcOffset = order[ i ] * stride; + + for ( let j = 0; j !== stride; ++ j ) { + + result[ dstOffset ++ ] = values[ srcOffset + j ]; + + } + + } + + return result; + + }, + + // function for parsing AOS keyframe formats + flattenJSON: function ( jsonKeys, times, values, valuePropertyName ) { + + let i = 1, key = jsonKeys[ 0 ]; + + while ( key !== undefined && key[ valuePropertyName ] === undefined ) { + + key = jsonKeys[ i ++ ]; + + } + + if ( key === undefined ) return; // no data + + let value = key[ valuePropertyName ]; + if ( value === undefined ) return; // no data + + if ( Array.isArray( value ) ) { + + do { + + value = key[ valuePropertyName ]; + + if ( value !== undefined ) { + + times.push( key.time ); + values.push.apply( values, value ); // push all elements + + } + + key = jsonKeys[ i ++ ]; + + } while ( key !== undefined ); + + } else if ( value.toArray !== undefined ) { + + // ...assume THREE.Math-ish + + do { + + value = key[ valuePropertyName ]; + + if ( value !== undefined ) { + + times.push( key.time ); + value.toArray( values, values.length ); + + } + + key = jsonKeys[ i ++ ]; + + } while ( key !== undefined ); + + } else { + + // otherwise push as-is + + do { + + value = key[ valuePropertyName ]; + + if ( value !== undefined ) { + + times.push( key.time ); + values.push( value ); + + } + + key = jsonKeys[ i ++ ]; + + } while ( key !== undefined ); + + } + + }, + + subclip: function ( sourceClip, name, startFrame, endFrame, fps = 30 ) { + + const clip = sourceClip.clone(); + + clip.name = name; + + const tracks = []; + + for ( let i = 0; i < clip.tracks.length; ++ i ) { + + const track = clip.tracks[ i ]; + const valueSize = track.getValueSize(); + + const times = []; + const values = []; + + for ( let j = 0; j < track.times.length; ++ j ) { + + const frame = track.times[ j ] * fps; + + if ( frame < startFrame || frame >= endFrame ) continue; + + times.push( track.times[ j ] ); + + for ( let k = 0; k < valueSize; ++ k ) { + + values.push( track.values[ j * valueSize + k ] ); + + } + + } + + if ( times.length === 0 ) continue; + + track.times = AnimationUtils.convertArray( times, track.times.constructor ); + track.values = AnimationUtils.convertArray( values, track.values.constructor ); + + tracks.push( track ); + + } + + clip.tracks = tracks; + + // find minimum .times value across all tracks in the trimmed clip + + let minStartTime = Infinity; + + for ( let i = 0; i < clip.tracks.length; ++ i ) { + + if ( minStartTime > clip.tracks[ i ].times[ 0 ] ) { + + minStartTime = clip.tracks[ i ].times[ 0 ]; + + } + + } + + // shift all tracks such that clip begins at t=0 + + for ( let i = 0; i < clip.tracks.length; ++ i ) { + + clip.tracks[ i ].shift( - 1 * minStartTime ); + + } + + clip.resetDuration(); + + return clip; + + }, + + makeClipAdditive: function ( targetClip, referenceFrame = 0, referenceClip = targetClip, fps = 30 ) { + + if ( fps <= 0 ) fps = 30; + + const numTracks = referenceClip.tracks.length; + const referenceTime = referenceFrame / fps; + + // Make each track's values relative to the values at the reference frame + for ( let i = 0; i < numTracks; ++ i ) { + + const referenceTrack = referenceClip.tracks[ i ]; + const referenceTrackType = referenceTrack.ValueTypeName; + + // Skip this track if it's non-numeric + if ( referenceTrackType === 'bool' || referenceTrackType === 'string' ) continue; + + // Find the track in the target clip whose name and type matches the reference track + const targetTrack = targetClip.tracks.find( function ( track ) { + + return track.name === referenceTrack.name + && track.ValueTypeName === referenceTrackType; + + } ); + + if ( targetTrack === undefined ) continue; + + let referenceOffset = 0; + const referenceValueSize = referenceTrack.getValueSize(); + + if ( referenceTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline ) { + + referenceOffset = referenceValueSize / 3; + + } + + let targetOffset = 0; + const targetValueSize = targetTrack.getValueSize(); + + if ( targetTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline ) { + + targetOffset = targetValueSize / 3; + + } + + const lastIndex = referenceTrack.times.length - 1; + let referenceValue; + + // Find the value to subtract out of the track + if ( referenceTime <= referenceTrack.times[ 0 ] ) { + + // Reference frame is earlier than the first keyframe, so just use the first keyframe + const startIndex = referenceOffset; + const endIndex = referenceValueSize - referenceOffset; + referenceValue = AnimationUtils.arraySlice( referenceTrack.values, startIndex, endIndex ); + + } else if ( referenceTime >= referenceTrack.times[ lastIndex ] ) { + + // Reference frame is after the last keyframe, so just use the last keyframe + const startIndex = lastIndex * referenceValueSize + referenceOffset; + const endIndex = startIndex + referenceValueSize - referenceOffset; + referenceValue = AnimationUtils.arraySlice( referenceTrack.values, startIndex, endIndex ); + + } else { + + // Interpolate to the reference value + const interpolant = referenceTrack.createInterpolant(); + const startIndex = referenceOffset; + const endIndex = referenceValueSize - referenceOffset; + interpolant.evaluate( referenceTime ); + referenceValue = AnimationUtils.arraySlice( interpolant.resultBuffer, startIndex, endIndex ); + + } + + // Conjugate the quaternion + if ( referenceTrackType === 'quaternion' ) { + + const referenceQuat = new Quaternion().fromArray( referenceValue ).normalize().conjugate(); + referenceQuat.toArray( referenceValue ); + + } + + // Subtract the reference value from all of the track values + + const numTimes = targetTrack.times.length; + for ( let j = 0; j < numTimes; ++ j ) { + + const valueStart = j * targetValueSize + targetOffset; + + if ( referenceTrackType === 'quaternion' ) { + + // Multiply the conjugate for quaternion track types + Quaternion.multiplyQuaternionsFlat( + targetTrack.values, + valueStart, + referenceValue, + 0, + targetTrack.values, + valueStart + ); + + } else { + + const valueEnd = targetValueSize - targetOffset * 2; + + // Subtract each value for all other numeric track types + for ( let k = 0; k < valueEnd; ++ k ) { + + targetTrack.values[ valueStart + k ] -= referenceValue[ k ]; + + } + + } + + } + + } + + targetClip.blendMode = AdditiveAnimationBlendMode; + + return targetClip; + + } + +}; + +/** + * Abstract base class of interpolants over parametric samples. + * + * The parameter domain is one dimensional, typically the time or a path + * along a curve defined by the data. + * + * The sample values can have any dimensionality and derived classes may + * apply special interpretations to the data. + * + * This class provides the interval seek in a Template Method, deferring + * the actual interpolation to derived classes. + * + * Time complexity is O(1) for linear access crossing at most two points + * and O(log N) for random access, where N is the number of positions. + * + * References: + * + * http://www.oodesign.com/template-method-pattern.html + * + */ + +class Interpolant { + + constructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) { + + this.parameterPositions = parameterPositions; + this._cachedIndex = 0; + + this.resultBuffer = resultBuffer !== undefined ? + resultBuffer : new sampleValues.constructor( sampleSize ); + this.sampleValues = sampleValues; + this.valueSize = sampleSize; + + this.settings = null; + this.DefaultSettings_ = {}; + + } + + evaluate( t ) { + + const pp = this.parameterPositions; + let i1 = this._cachedIndex, + t1 = pp[ i1 ], + t0 = pp[ i1 - 1 ]; + + validate_interval: { + + seek: { + + let right; + + linear_scan: { + + //- See http://jsperf.com/comparison-to-undefined/3 + //- slower code: + //- + //- if ( t >= t1 || t1 === undefined ) { + forward_scan: if ( ! ( t < t1 ) ) { + + for ( let giveUpAt = i1 + 2; ; ) { + + if ( t1 === undefined ) { + + if ( t < t0 ) break forward_scan; + + // after end + + i1 = pp.length; + this._cachedIndex = i1; + return this.copySampleValue_( i1 - 1 ); + + } + + if ( i1 === giveUpAt ) break; // this loop + + t0 = t1; + t1 = pp[ ++ i1 ]; + + if ( t < t1 ) { + + // we have arrived at the sought interval + break seek; + + } + + } + + // prepare binary search on the right side of the index + right = pp.length; + break linear_scan; + + } + + //- slower code: + //- if ( t < t0 || t0 === undefined ) { + if ( ! ( t >= t0 ) ) { + + // looping? + + const t1global = pp[ 1 ]; + + if ( t < t1global ) { + + i1 = 2; // + 1, using the scan for the details + t0 = t1global; + + } + + // linear reverse scan + + for ( let giveUpAt = i1 - 2; ; ) { + + if ( t0 === undefined ) { + + // before start + + this._cachedIndex = 0; + return this.copySampleValue_( 0 ); + + } + + if ( i1 === giveUpAt ) break; // this loop + + t1 = t0; + t0 = pp[ -- i1 - 1 ]; + + if ( t >= t0 ) { + + // we have arrived at the sought interval + break seek; + + } + + } + + // prepare binary search on the left side of the index + right = i1; + i1 = 0; + break linear_scan; + + } + + // the interval is valid + + break validate_interval; + + } // linear scan + + // binary search + + while ( i1 < right ) { + + const mid = ( i1 + right ) >>> 1; + + if ( t < pp[ mid ] ) { + + right = mid; + + } else { + + i1 = mid + 1; + + } + + } + + t1 = pp[ i1 ]; + t0 = pp[ i1 - 1 ]; + + // check boundary cases, again + + if ( t0 === undefined ) { + + this._cachedIndex = 0; + return this.copySampleValue_( 0 ); + + } + + if ( t1 === undefined ) { + + i1 = pp.length; + this._cachedIndex = i1; + return this.copySampleValue_( i1 - 1 ); + + } + + } // seek + + this._cachedIndex = i1; + + this.intervalChanged_( i1, t0, t1 ); + + } // validate_interval + + return this.interpolate_( i1, t0, t, t1 ); + + } + + getSettings_() { + + return this.settings || this.DefaultSettings_; + + } + + copySampleValue_( index ) { + + // copies a sample value to the result buffer + + const result = this.resultBuffer, + values = this.sampleValues, + stride = this.valueSize, + offset = index * stride; + + for ( let i = 0; i !== stride; ++ i ) { + + result[ i ] = values[ offset + i ]; + + } + + return result; + + } + + // Template methods for derived classes: + + interpolate_( /* i1, t0, t, t1 */ ) { + + throw new Error( 'call to abstract method' ); + // implementations shall return this.resultBuffer + + } + + intervalChanged_( /* i1, t0, t1 */ ) { + + // empty + + } + +} + +/** + * Fast and simple cubic spline interpolant. + * + * It was derived from a Hermitian construction setting the first derivative + * at each sample position to the linear slope between neighboring positions + * over their parameter interval. + */ + +class CubicInterpolant extends Interpolant { + + constructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) { + + super( parameterPositions, sampleValues, sampleSize, resultBuffer ); + + this._weightPrev = - 0; + this._offsetPrev = - 0; + this._weightNext = - 0; + this._offsetNext = - 0; + + this.DefaultSettings_ = { + + endingStart: ZeroCurvatureEnding, + endingEnd: ZeroCurvatureEnding + + }; + + } + + intervalChanged_( i1, t0, t1 ) { + + const pp = this.parameterPositions; + let iPrev = i1 - 2, + iNext = i1 + 1, + + tPrev = pp[ iPrev ], + tNext = pp[ iNext ]; + + if ( tPrev === undefined ) { + + switch ( this.getSettings_().endingStart ) { + + case ZeroSlopeEnding: + + // f'(t0) = 0 + iPrev = i1; + tPrev = 2 * t0 - t1; + + break; + + case WrapAroundEnding: + + // use the other end of the curve + iPrev = pp.length - 2; + tPrev = t0 + pp[ iPrev ] - pp[ iPrev + 1 ]; + + break; + + default: // ZeroCurvatureEnding + + // f''(t0) = 0 a.k.a. Natural Spline + iPrev = i1; + tPrev = t1; + + } + + } + + if ( tNext === undefined ) { + + switch ( this.getSettings_().endingEnd ) { + + case ZeroSlopeEnding: + + // f'(tN) = 0 + iNext = i1; + tNext = 2 * t1 - t0; + + break; + + case WrapAroundEnding: + + // use the other end of the curve + iNext = 1; + tNext = t1 + pp[ 1 ] - pp[ 0 ]; + + break; + + default: // ZeroCurvatureEnding + + // f''(tN) = 0, a.k.a. Natural Spline + iNext = i1 - 1; + tNext = t0; + + } + + } + + const halfDt = ( t1 - t0 ) * 0.5, + stride = this.valueSize; + + this._weightPrev = halfDt / ( t0 - tPrev ); + this._weightNext = halfDt / ( tNext - t1 ); + this._offsetPrev = iPrev * stride; + this._offsetNext = iNext * stride; + + } + + interpolate_( i1, t0, t, t1 ) { + + const result = this.resultBuffer, + values = this.sampleValues, + stride = this.valueSize, + + o1 = i1 * stride, o0 = o1 - stride, + oP = this._offsetPrev, oN = this._offsetNext, + wP = this._weightPrev, wN = this._weightNext, + + p = ( t - t0 ) / ( t1 - t0 ), + pp = p * p, + ppp = pp * p; + + // evaluate polynomials + + const sP = - wP * ppp + 2 * wP * pp - wP * p; + const s0 = ( 1 + wP ) * ppp + ( - 1.5 - 2 * wP ) * pp + ( - 0.5 + wP ) * p + 1; + const s1 = ( - 1 - wN ) * ppp + ( 1.5 + wN ) * pp + 0.5 * p; + const sN = wN * ppp - wN * pp; + + // combine data linearly + + for ( let i = 0; i !== stride; ++ i ) { + + result[ i ] = + sP * values[ oP + i ] + + s0 * values[ o0 + i ] + + s1 * values[ o1 + i ] + + sN * values[ oN + i ]; + + } + + return result; + + } + +} + +class LinearInterpolant extends Interpolant { + + constructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) { + + super( parameterPositions, sampleValues, sampleSize, resultBuffer ); + + } + + interpolate_( i1, t0, t, t1 ) { + + const result = this.resultBuffer, + values = this.sampleValues, + stride = this.valueSize, + + offset1 = i1 * stride, + offset0 = offset1 - stride, + + weight1 = ( t - t0 ) / ( t1 - t0 ), + weight0 = 1 - weight1; + + for ( let i = 0; i !== stride; ++ i ) { + + result[ i ] = + values[ offset0 + i ] * weight0 + + values[ offset1 + i ] * weight1; + + } + + return result; + + } + +} + +/** + * + * Interpolant that evaluates to the sample value at the position preceding + * the parameter. + */ + +class DiscreteInterpolant extends Interpolant { + + constructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) { + + super( parameterPositions, sampleValues, sampleSize, resultBuffer ); + + } + + interpolate_( i1 /*, t0, t, t1 */ ) { + + return this.copySampleValue_( i1 - 1 ); + + } + +} + +class KeyframeTrack { + + constructor( name, times, values, interpolation ) { + + if ( name === undefined ) throw new Error( 'THREE.KeyframeTrack: track name is undefined' ); + if ( times === undefined || times.length === 0 ) throw new Error( 'THREE.KeyframeTrack: no keyframes in track named ' + name ); + + this.name = name; + + this.times = AnimationUtils.convertArray( times, this.TimeBufferType ); + this.values = AnimationUtils.convertArray( values, this.ValueBufferType ); + + this.setInterpolation( interpolation || this.DefaultInterpolation ); + + } + + // Serialization (in static context, because of constructor invocation + // and automatic invocation of .toJSON): + + static toJSON( track ) { + + const trackType = track.constructor; + + let json; + + // derived classes can define a static toJSON method + if ( trackType.toJSON !== this.toJSON ) { + + json = trackType.toJSON( track ); + + } else { + + // by default, we assume the data can be serialized as-is + json = { + + 'name': track.name, + 'times': AnimationUtils.convertArray( track.times, Array ), + 'values': AnimationUtils.convertArray( track.values, Array ) + + }; + + const interpolation = track.getInterpolation(); + + if ( interpolation !== track.DefaultInterpolation ) { + + json.interpolation = interpolation; + + } + + } + + json.type = track.ValueTypeName; // mandatory + + return json; + + } + + InterpolantFactoryMethodDiscrete( result ) { + + return new DiscreteInterpolant( this.times, this.values, this.getValueSize(), result ); + + } + + InterpolantFactoryMethodLinear( result ) { + + return new LinearInterpolant( this.times, this.values, this.getValueSize(), result ); + + } + + InterpolantFactoryMethodSmooth( result ) { + + return new CubicInterpolant( this.times, this.values, this.getValueSize(), result ); + + } + + setInterpolation( interpolation ) { + + let factoryMethod; + + switch ( interpolation ) { + + case InterpolateDiscrete: + + factoryMethod = this.InterpolantFactoryMethodDiscrete; + + break; + + case InterpolateLinear: + + factoryMethod = this.InterpolantFactoryMethodLinear; + + break; + + case InterpolateSmooth: + + factoryMethod = this.InterpolantFactoryMethodSmooth; + + break; + + } + + if ( factoryMethod === undefined ) { + + const message = 'unsupported interpolation for ' + + this.ValueTypeName + ' keyframe track named ' + this.name; + + if ( this.createInterpolant === undefined ) { + + // fall back to default, unless the default itself is messed up + if ( interpolation !== this.DefaultInterpolation ) { + + this.setInterpolation( this.DefaultInterpolation ); + + } else { + + throw new Error( message ); // fatal, in this case + + } + + } + + console.warn( 'THREE.KeyframeTrack:', message ); + return this; + + } + + this.createInterpolant = factoryMethod; + + return this; + + } + + getInterpolation() { + + switch ( this.createInterpolant ) { + + case this.InterpolantFactoryMethodDiscrete: + + return InterpolateDiscrete; + + case this.InterpolantFactoryMethodLinear: + + return InterpolateLinear; + + case this.InterpolantFactoryMethodSmooth: + + return InterpolateSmooth; + + } + + } + + getValueSize() { + + return this.values.length / this.times.length; + + } + + // move all keyframes either forwards or backwards in time + shift( timeOffset ) { + + if ( timeOffset !== 0.0 ) { + + const times = this.times; + + for ( let i = 0, n = times.length; i !== n; ++ i ) { + + times[ i ] += timeOffset; + + } + + } + + return this; + + } + + // scale all keyframe times by a factor (useful for frame <-> seconds conversions) + scale( timeScale ) { + + if ( timeScale !== 1.0 ) { + + const times = this.times; + + for ( let i = 0, n = times.length; i !== n; ++ i ) { + + times[ i ] *= timeScale; + + } + + } + + return this; + + } + + // removes keyframes before and after animation without changing any values within the range [startTime, endTime]. + // IMPORTANT: We do not shift around keys to the start of the track time, because for interpolated keys this will change their values + trim( startTime, endTime ) { + + const times = this.times, + nKeys = times.length; + + let from = 0, + to = nKeys - 1; + + while ( from !== nKeys && times[ from ] < startTime ) { + + ++ from; + + } + + while ( to !== - 1 && times[ to ] > endTime ) { + + -- to; + + } + + ++ to; // inclusive -> exclusive bound + + if ( from !== 0 || to !== nKeys ) { + + // empty tracks are forbidden, so keep at least one keyframe + if ( from >= to ) { + + to = Math.max( to, 1 ); + from = to - 1; + + } + + const stride = this.getValueSize(); + this.times = AnimationUtils.arraySlice( times, from, to ); + this.values = AnimationUtils.arraySlice( this.values, from * stride, to * stride ); + + } + + return this; + + } + + // ensure we do not get a GarbageInGarbageOut situation, make sure tracks are at least minimally viable + validate() { + + let valid = true; + + const valueSize = this.getValueSize(); + if ( valueSize - Math.floor( valueSize ) !== 0 ) { + + console.error( 'THREE.KeyframeTrack: Invalid value size in track.', this ); + valid = false; + + } + + const times = this.times, + values = this.values, + + nKeys = times.length; + + if ( nKeys === 0 ) { + + console.error( 'THREE.KeyframeTrack: Track is empty.', this ); + valid = false; + + } + + let prevTime = null; + + for ( let i = 0; i !== nKeys; i ++ ) { + + const currTime = times[ i ]; + + if ( typeof currTime === 'number' && isNaN( currTime ) ) { + + console.error( 'THREE.KeyframeTrack: Time is not a valid number.', this, i, currTime ); + valid = false; + break; + + } + + if ( prevTime !== null && prevTime > currTime ) { + + console.error( 'THREE.KeyframeTrack: Out of order keys.', this, i, currTime, prevTime ); + valid = false; + break; + + } + + prevTime = currTime; + + } + + if ( values !== undefined ) { + + if ( AnimationUtils.isTypedArray( values ) ) { + + for ( let i = 0, n = values.length; i !== n; ++ i ) { + + const value = values[ i ]; + + if ( isNaN( value ) ) { + + console.error( 'THREE.KeyframeTrack: Value is not a valid number.', this, i, value ); + valid = false; + break; + + } + + } + + } + + } + + return valid; + + } + + // removes equivalent sequential keys as common in morph target sequences + // (0,0,0,0,1,1,1,0,0,0,0,0,0,0) --> (0,0,1,1,0,0) + optimize() { + + // times or values may be shared with other tracks, so overwriting is unsafe + const times = AnimationUtils.arraySlice( this.times ), + values = AnimationUtils.arraySlice( this.values ), + stride = this.getValueSize(), + + smoothInterpolation = this.getInterpolation() === InterpolateSmooth, + + lastIndex = times.length - 1; + + let writeIndex = 1; + + for ( let i = 1; i < lastIndex; ++ i ) { + + let keep = false; + + const time = times[ i ]; + const timeNext = times[ i + 1 ]; + + // remove adjacent keyframes scheduled at the same time + + if ( time !== timeNext && ( i !== 1 || time !== times[ 0 ] ) ) { + + if ( ! smoothInterpolation ) { + + // remove unnecessary keyframes same as their neighbors + + const offset = i * stride, + offsetP = offset - stride, + offsetN = offset + stride; + + for ( let j = 0; j !== stride; ++ j ) { + + const value = values[ offset + j ]; + + if ( value !== values[ offsetP + j ] || + value !== values[ offsetN + j ] ) { + + keep = true; + break; + + } + + } + + } else { + + keep = true; + + } + + } + + // in-place compaction + + if ( keep ) { + + if ( i !== writeIndex ) { + + times[ writeIndex ] = times[ i ]; + + const readOffset = i * stride, + writeOffset = writeIndex * stride; + + for ( let j = 0; j !== stride; ++ j ) { + + values[ writeOffset + j ] = values[ readOffset + j ]; + + } + + } + + ++ writeIndex; + + } + + } + + // flush last keyframe (compaction looks ahead) + + if ( lastIndex > 0 ) { + + times[ writeIndex ] = times[ lastIndex ]; + + for ( let readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++ j ) { + + values[ writeOffset + j ] = values[ readOffset + j ]; + + } + + ++ writeIndex; + + } + + if ( writeIndex !== times.length ) { + + this.times = AnimationUtils.arraySlice( times, 0, writeIndex ); + this.values = AnimationUtils.arraySlice( values, 0, writeIndex * stride ); + + } else { + + this.times = times; + this.values = values; + + } + + return this; + + } + + clone() { + + const times = AnimationUtils.arraySlice( this.times, 0 ); + const values = AnimationUtils.arraySlice( this.values, 0 ); + + const TypedKeyframeTrack = this.constructor; + const track = new TypedKeyframeTrack( this.name, times, values ); + + // Interpolant argument to constructor is not saved, so copy the factory method directly. + track.createInterpolant = this.createInterpolant; + + return track; + + } + +} + +KeyframeTrack.prototype.TimeBufferType = Float32Array; +KeyframeTrack.prototype.ValueBufferType = Float32Array; +KeyframeTrack.prototype.DefaultInterpolation = InterpolateLinear; + +/** + * A Track of Boolean keyframe values. + */ +class BooleanKeyframeTrack extends KeyframeTrack {} + +BooleanKeyframeTrack.prototype.ValueTypeName = 'bool'; +BooleanKeyframeTrack.prototype.ValueBufferType = Array; +BooleanKeyframeTrack.prototype.DefaultInterpolation = InterpolateDiscrete; +BooleanKeyframeTrack.prototype.InterpolantFactoryMethodLinear = undefined; +BooleanKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined; + +/** + * A Track of keyframe values that represent color. + */ +class ColorKeyframeTrack extends KeyframeTrack {} + +ColorKeyframeTrack.prototype.ValueTypeName = 'color'; + +/** + * A Track of numeric keyframe values. + */ +class NumberKeyframeTrack extends KeyframeTrack {} + +NumberKeyframeTrack.prototype.ValueTypeName = 'number'; + +/** + * Spherical linear unit quaternion interpolant. + */ + +class QuaternionLinearInterpolant extends Interpolant { + + constructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) { + + super( parameterPositions, sampleValues, sampleSize, resultBuffer ); + + } + + interpolate_( i1, t0, t, t1 ) { + + const result = this.resultBuffer, + values = this.sampleValues, + stride = this.valueSize, + + alpha = ( t - t0 ) / ( t1 - t0 ); + + let offset = i1 * stride; + + for ( let end = offset + stride; offset !== end; offset += 4 ) { + + Quaternion.slerpFlat( result, 0, values, offset - stride, values, offset, alpha ); + + } + + return result; + + } + +} + +/** + * A Track of quaternion keyframe values. + */ +class QuaternionKeyframeTrack extends KeyframeTrack { + + InterpolantFactoryMethodLinear( result ) { + + return new QuaternionLinearInterpolant( this.times, this.values, this.getValueSize(), result ); + + } + +} + +QuaternionKeyframeTrack.prototype.ValueTypeName = 'quaternion'; +// ValueBufferType is inherited +QuaternionKeyframeTrack.prototype.DefaultInterpolation = InterpolateLinear; +QuaternionKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined; + +/** + * A Track that interpolates Strings + */ +class StringKeyframeTrack extends KeyframeTrack {} + +StringKeyframeTrack.prototype.ValueTypeName = 'string'; +StringKeyframeTrack.prototype.ValueBufferType = Array; +StringKeyframeTrack.prototype.DefaultInterpolation = InterpolateDiscrete; +StringKeyframeTrack.prototype.InterpolantFactoryMethodLinear = undefined; +StringKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined; + +/** + * A Track of vectored keyframe values. + */ +class VectorKeyframeTrack extends KeyframeTrack {} + +VectorKeyframeTrack.prototype.ValueTypeName = 'vector'; + +class AnimationClip { + + constructor( name, duration = - 1, tracks, blendMode = NormalAnimationBlendMode ) { + + this.name = name; + this.tracks = tracks; + this.duration = duration; + this.blendMode = blendMode; + + this.uuid = generateUUID(); + + // this means it should figure out its duration by scanning the tracks + if ( this.duration < 0 ) { + + this.resetDuration(); + + } + + } + + + static parse( json ) { + + const tracks = [], + jsonTracks = json.tracks, + frameTime = 1.0 / ( json.fps || 1.0 ); + + for ( let i = 0, n = jsonTracks.length; i !== n; ++ i ) { + + tracks.push( parseKeyframeTrack( jsonTracks[ i ] ).scale( frameTime ) ); + + } + + const clip = new this( json.name, json.duration, tracks, json.blendMode ); + clip.uuid = json.uuid; + + return clip; + + } + + static toJSON( clip ) { + + const tracks = [], + clipTracks = clip.tracks; + + const json = { + + 'name': clip.name, + 'duration': clip.duration, + 'tracks': tracks, + 'uuid': clip.uuid, + 'blendMode': clip.blendMode + + }; + + for ( let i = 0, n = clipTracks.length; i !== n; ++ i ) { + + tracks.push( KeyframeTrack.toJSON( clipTracks[ i ] ) ); + + } + + return json; + + } + + static CreateFromMorphTargetSequence( name, morphTargetSequence, fps, noLoop ) { + + const numMorphTargets = morphTargetSequence.length; + const tracks = []; + + for ( let i = 0; i < numMorphTargets; i ++ ) { + + let times = []; + let values = []; + + times.push( + ( i + numMorphTargets - 1 ) % numMorphTargets, + i, + ( i + 1 ) % numMorphTargets ); + + values.push( 0, 1, 0 ); + + const order = AnimationUtils.getKeyframeOrder( times ); + times = AnimationUtils.sortedArray( times, 1, order ); + values = AnimationUtils.sortedArray( values, 1, order ); + + // if there is a key at the first frame, duplicate it as the + // last frame as well for perfect loop. + if ( ! noLoop && times[ 0 ] === 0 ) { + + times.push( numMorphTargets ); + values.push( values[ 0 ] ); + + } + + tracks.push( + new NumberKeyframeTrack( + '.morphTargetInfluences[' + morphTargetSequence[ i ].name + ']', + times, values + ).scale( 1.0 / fps ) ); + + } + + return new this( name, - 1, tracks ); + + } + + static findByName( objectOrClipArray, name ) { + + let clipArray = objectOrClipArray; + + if ( ! Array.isArray( objectOrClipArray ) ) { + + const o = objectOrClipArray; + clipArray = o.geometry && o.geometry.animations || o.animations; + + } + + for ( let i = 0; i < clipArray.length; i ++ ) { + + if ( clipArray[ i ].name === name ) { + + return clipArray[ i ]; + + } + + } + + return null; + + } + + static CreateClipsFromMorphTargetSequences( morphTargets, fps, noLoop ) { + + const animationToMorphTargets = {}; + + // tested with https://regex101.com/ on trick sequences + // such flamingo_flyA_003, flamingo_run1_003, crdeath0059 + const pattern = /^([\w-]*?)([\d]+)$/; + + // sort morph target names into animation groups based + // patterns like Walk_001, Walk_002, Run_001, Run_002 + for ( let i = 0, il = morphTargets.length; i < il; i ++ ) { + + const morphTarget = morphTargets[ i ]; + const parts = morphTarget.name.match( pattern ); + + if ( parts && parts.length > 1 ) { + + const name = parts[ 1 ]; + + let animationMorphTargets = animationToMorphTargets[ name ]; + + if ( ! animationMorphTargets ) { + + animationToMorphTargets[ name ] = animationMorphTargets = []; + + } + + animationMorphTargets.push( morphTarget ); + + } + + } + + const clips = []; + + for ( const name in animationToMorphTargets ) { + + clips.push( this.CreateFromMorphTargetSequence( name, animationToMorphTargets[ name ], fps, noLoop ) ); + + } + + return clips; + + } + + // parse the animation.hierarchy format + static parseAnimation( animation, bones ) { + + if ( ! animation ) { + + console.error( 'THREE.AnimationClip: No animation in JSONLoader data.' ); + return null; + + } + + const addNonemptyTrack = function ( trackType, trackName, animationKeys, propertyName, destTracks ) { + + // only return track if there are actually keys. + if ( animationKeys.length !== 0 ) { + + const times = []; + const values = []; + + AnimationUtils.flattenJSON( animationKeys, times, values, propertyName ); + + // empty keys are filtered out, so check again + if ( times.length !== 0 ) { + + destTracks.push( new trackType( trackName, times, values ) ); + + } + + } + + }; + + const tracks = []; + + const clipName = animation.name || 'default'; + const fps = animation.fps || 30; + const blendMode = animation.blendMode; + + // automatic length determination in AnimationClip. + let duration = animation.length || - 1; + + const hierarchyTracks = animation.hierarchy || []; + + for ( let h = 0; h < hierarchyTracks.length; h ++ ) { + + const animationKeys = hierarchyTracks[ h ].keys; + + // skip empty tracks + if ( ! animationKeys || animationKeys.length === 0 ) continue; + + // process morph targets + if ( animationKeys[ 0 ].morphTargets ) { + + // figure out all morph targets used in this track + const morphTargetNames = {}; + + let k; + + for ( k = 0; k < animationKeys.length; k ++ ) { + + if ( animationKeys[ k ].morphTargets ) { + + for ( let m = 0; m < animationKeys[ k ].morphTargets.length; m ++ ) { + + morphTargetNames[ animationKeys[ k ].morphTargets[ m ] ] = - 1; + + } + + } + + } + + // create a track for each morph target with all zero + // morphTargetInfluences except for the keys in which + // the morphTarget is named. + for ( const morphTargetName in morphTargetNames ) { + + const times = []; + const values = []; + + for ( let m = 0; m !== animationKeys[ k ].morphTargets.length; ++ m ) { + + const animationKey = animationKeys[ k ]; + + times.push( animationKey.time ); + values.push( ( animationKey.morphTarget === morphTargetName ) ? 1 : 0 ); + + } + + tracks.push( new NumberKeyframeTrack( '.morphTargetInfluence[' + morphTargetName + ']', times, values ) ); + + } + + duration = morphTargetNames.length * fps; + + } else { + + // ...assume skeletal animation + + const boneName = '.bones[' + bones[ h ].name + ']'; + + addNonemptyTrack( + VectorKeyframeTrack, boneName + '.position', + animationKeys, 'pos', tracks ); + + addNonemptyTrack( + QuaternionKeyframeTrack, boneName + '.quaternion', + animationKeys, 'rot', tracks ); + + addNonemptyTrack( + VectorKeyframeTrack, boneName + '.scale', + animationKeys, 'scl', tracks ); + + } + + } + + if ( tracks.length === 0 ) { + + return null; + + } + + const clip = new this( clipName, duration, tracks, blendMode ); + + return clip; + + } + + resetDuration() { + + const tracks = this.tracks; + let duration = 0; + + for ( let i = 0, n = tracks.length; i !== n; ++ i ) { + + const track = this.tracks[ i ]; + + duration = Math.max( duration, track.times[ track.times.length - 1 ] ); + + } + + this.duration = duration; + + return this; + + } + + trim() { + + for ( let i = 0; i < this.tracks.length; i ++ ) { + + this.tracks[ i ].trim( 0, this.duration ); + + } + + return this; + + } + + validate() { + + let valid = true; + + for ( let i = 0; i < this.tracks.length; i ++ ) { + + valid = valid && this.tracks[ i ].validate(); + + } + + return valid; + + } + + optimize() { + + for ( let i = 0; i < this.tracks.length; i ++ ) { + + this.tracks[ i ].optimize(); + + } + + return this; + + } + + clone() { + + const tracks = []; + + for ( let i = 0; i < this.tracks.length; i ++ ) { + + tracks.push( this.tracks[ i ].clone() ); + + } + + return new this.constructor( this.name, this.duration, tracks, this.blendMode ); + + } + + toJSON() { + + return this.constructor.toJSON( this ); + + } + +} + +function getTrackTypeForValueTypeName( typeName ) { + + switch ( typeName.toLowerCase() ) { + + case 'scalar': + case 'double': + case 'float': + case 'number': + case 'integer': + + return NumberKeyframeTrack; + + case 'vector': + case 'vector2': + case 'vector3': + case 'vector4': + + return VectorKeyframeTrack; + + case 'color': + + return ColorKeyframeTrack; + + case 'quaternion': + + return QuaternionKeyframeTrack; + + case 'bool': + case 'boolean': + + return BooleanKeyframeTrack; + + case 'string': + + return StringKeyframeTrack; + + } + + throw new Error( 'THREE.KeyframeTrack: Unsupported typeName: ' + typeName ); + +} + +function parseKeyframeTrack( json ) { + + if ( json.type === undefined ) { + + throw new Error( 'THREE.KeyframeTrack: track type undefined, can not parse' ); + + } + + const trackType = getTrackTypeForValueTypeName( json.type ); + + if ( json.times === undefined ) { + + const times = [], values = []; + + AnimationUtils.flattenJSON( json.keys, times, values, 'value' ); + + json.times = times; + json.values = values; + + } + + // derived classes can define a static parse method + if ( trackType.parse !== undefined ) { + + return trackType.parse( json ); + + } else { + + // by default, we assume a constructor compatible with the base + return new trackType( json.name, json.times, json.values, json.interpolation ); + + } + +} + +const Cache = { + + enabled: false, + + files: {}, + + add: function ( key, file ) { + + if ( this.enabled === false ) return; + + // console.log( 'THREE.Cache', 'Adding key:', key ); + + this.files[ key ] = file; + + }, + + get: function ( key ) { + + if ( this.enabled === false ) return; + + // console.log( 'THREE.Cache', 'Checking key:', key ); + + return this.files[ key ]; + + }, + + remove: function ( key ) { + + delete this.files[ key ]; + + }, + + clear: function () { + + this.files = {}; + + } + +}; + +class LoadingManager { + + constructor( onLoad, onProgress, onError ) { + + const scope = this; + + let isLoading = false; + let itemsLoaded = 0; + let itemsTotal = 0; + let urlModifier = undefined; + const handlers = []; + + // Refer to #5689 for the reason why we don't set .onStart + // in the constructor + + this.onStart = undefined; + this.onLoad = onLoad; + this.onProgress = onProgress; + this.onError = onError; + + this.itemStart = function ( url ) { + + itemsTotal ++; + + if ( isLoading === false ) { + + if ( scope.onStart !== undefined ) { + + scope.onStart( url, itemsLoaded, itemsTotal ); + + } + + } + + isLoading = true; + + }; + + this.itemEnd = function ( url ) { + + itemsLoaded ++; + + if ( scope.onProgress !== undefined ) { + + scope.onProgress( url, itemsLoaded, itemsTotal ); + + } + + if ( itemsLoaded === itemsTotal ) { + + isLoading = false; + + if ( scope.onLoad !== undefined ) { + + scope.onLoad(); + + } + + } + + }; + + this.itemError = function ( url ) { + + if ( scope.onError !== undefined ) { + + scope.onError( url ); + + } + + }; + + this.resolveURL = function ( url ) { + + if ( urlModifier ) { + + return urlModifier( url ); + + } + + return url; + + }; + + this.setURLModifier = function ( transform ) { + + urlModifier = transform; + + return this; + + }; + + this.addHandler = function ( regex, loader ) { + + handlers.push( regex, loader ); + + return this; + + }; + + this.removeHandler = function ( regex ) { + + const index = handlers.indexOf( regex ); + + if ( index !== - 1 ) { + + handlers.splice( index, 2 ); + + } + + return this; + + }; + + this.getHandler = function ( file ) { + + for ( let i = 0, l = handlers.length; i < l; i += 2 ) { + + const regex = handlers[ i ]; + const loader = handlers[ i + 1 ]; + + if ( regex.global ) regex.lastIndex = 0; // see #17920 + + if ( regex.test( file ) ) { + + return loader; + + } + + } + + return null; + + }; + + } + +} + +const DefaultLoadingManager = new LoadingManager(); + +class Loader { + + constructor( manager ) { + + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + + this.crossOrigin = 'anonymous'; + this.withCredentials = false; + this.path = ''; + this.resourcePath = ''; + this.requestHeader = {}; + + } + + load( /* url, onLoad, onProgress, onError */ ) {} + + loadAsync( url, onProgress ) { + + const scope = this; + + return new Promise( function ( resolve, reject ) { + + scope.load( url, resolve, onProgress, reject ); + + } ); + + } + + parse( /* data */ ) {} + + setCrossOrigin( crossOrigin ) { + + this.crossOrigin = crossOrigin; + return this; + + } + + setWithCredentials( value ) { + + this.withCredentials = value; + return this; + + } + + setPath( path ) { + + this.path = path; + return this; + + } + + setResourcePath( resourcePath ) { + + this.resourcePath = resourcePath; + return this; + + } + + setRequestHeader( requestHeader ) { + + this.requestHeader = requestHeader; + return this; + + } + +} + +const loading = {}; + +class FileLoader extends Loader { + + constructor( manager ) { + + super( manager ); + + } + + load( url, onLoad, onProgress, onError ) { + + if ( url === undefined ) url = ''; + + if ( this.path !== undefined ) url = this.path + url; + + url = this.manager.resolveURL( url ); + + const cached = Cache.get( url ); + + if ( cached !== undefined ) { + + this.manager.itemStart( url ); + + setTimeout( () => { + + if ( onLoad ) onLoad( cached ); + + this.manager.itemEnd( url ); + + }, 0 ); + + return cached; + + } + + // Check if request is duplicate + + if ( loading[ url ] !== undefined ) { + + loading[ url ].push( { + + onLoad: onLoad, + onProgress: onProgress, + onError: onError + + } ); + + return; + + } + + // Initialise array for duplicate requests + loading[ url ] = []; + + loading[ url ].push( { + onLoad: onLoad, + onProgress: onProgress, + onError: onError, + } ); + + // create request + const req = new Request( url, { + headers: new Headers( this.requestHeader ), + credentials: this.withCredentials ? 'include' : 'same-origin', + // An abort controller could be added within a future PR + } ); + + // record states ( avoid data race ) + const mimeType = this.mimeType; + const responseType = this.responseType; + + // start the fetch + fetch( req ) + .then( response => { + + if ( response.status === 200 || response.status === 0 ) { + + // Some browsers return HTTP Status 0 when using non-http protocol + // e.g. 'file://' or 'data://'. Handle as success. + + if ( response.status === 0 ) { + + console.warn( 'THREE.FileLoader: HTTP Status 0 received.' ); + + } + + // Workaround: Checking if response.body === undefined for Alipay browser #23548 + + if ( typeof ReadableStream === 'undefined' || response.body === undefined || response.body.getReader === undefined ) { + + return response; + + } + + const callbacks = loading[ url ]; + const reader = response.body.getReader(); + const contentLength = response.headers.get( 'Content-Length' ); + const total = contentLength ? parseInt( contentLength ) : 0; + const lengthComputable = total !== 0; + let loaded = 0; + + // periodically read data into the new stream tracking while download progress + const stream = new ReadableStream( { + start( controller ) { + + readData(); + + function readData() { + + reader.read().then( ( { done, value } ) => { + + if ( done ) { + + controller.close(); + + } else { + + loaded += value.byteLength; + + const event = new ProgressEvent( 'progress', { lengthComputable, loaded, total } ); + for ( let i = 0, il = callbacks.length; i < il; i ++ ) { + + const callback = callbacks[ i ]; + if ( callback.onProgress ) callback.onProgress( event ); + + } + + controller.enqueue( value ); + readData(); + + } + + } ); + + } + + } + + } ); + + return new Response( stream ); + + } else { + + throw Error( `fetch for "${response.url}" responded with ${response.status}: ${response.statusText}` ); + + } + + } ) + .then( response => { + + switch ( responseType ) { + + case 'arraybuffer': + + return response.arrayBuffer(); + + case 'blob': + + return response.blob(); + + case 'document': + + return response.text() + .then( text => { + + const parser = new DOMParser(); + return parser.parseFromString( text, mimeType ); + + } ); + + case 'json': + + return response.json(); + + default: + + if ( mimeType === undefined ) { + + return response.text(); + + } else { + + // sniff encoding + const re = /charset="?([^;"\s]*)"?/i; + const exec = re.exec( mimeType ); + const label = exec && exec[ 1 ] ? exec[ 1 ].toLowerCase() : undefined; + const decoder = new TextDecoder( label ); + return response.arrayBuffer().then( ab => decoder.decode( ab ) ); + + } + + } + + } ) + .then( data => { + + // Add to cache only on HTTP success, so that we do not cache + // error response bodies as proper responses to requests. + Cache.add( url, data ); + + const callbacks = loading[ url ]; + delete loading[ url ]; + + for ( let i = 0, il = callbacks.length; i < il; i ++ ) { + + const callback = callbacks[ i ]; + if ( callback.onLoad ) callback.onLoad( data ); + + } + + } ) + .catch( err => { + + // Abort errors and other errors are handled the same + + const callbacks = loading[ url ]; + + if ( callbacks === undefined ) { + + // When onLoad was called and url was deleted in `loading` + this.manager.itemError( url ); + throw err; + + } + + delete loading[ url ]; + + for ( let i = 0, il = callbacks.length; i < il; i ++ ) { + + const callback = callbacks[ i ]; + if ( callback.onError ) callback.onError( err ); + + } + + this.manager.itemError( url ); + + } ) + .finally( () => { + + this.manager.itemEnd( url ); + + } ); + + this.manager.itemStart( url ); + + } + + setResponseType( value ) { + + this.responseType = value; + return this; + + } + + setMimeType( value ) { + + this.mimeType = value; + return this; + + } + +} + +class AnimationLoader extends Loader { + + constructor( manager ) { + + super( manager ); + + } + + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + const loader = new FileLoader( this.manager ); + loader.setPath( this.path ); + loader.setRequestHeader( this.requestHeader ); + loader.setWithCredentials( this.withCredentials ); + loader.load( url, function ( text ) { + + try { + + onLoad( scope.parse( JSON.parse( text ) ) ); + + } catch ( e ) { + + if ( onError ) { + + onError( e ); + + } else { + + console.error( e ); + + } + + scope.manager.itemError( url ); + + } + + }, onProgress, onError ); + + } + + parse( json ) { + + const animations = []; + + for ( let i = 0; i < json.length; i ++ ) { + + const clip = AnimationClip.parse( json[ i ] ); + + animations.push( clip ); + + } + + return animations; + + } + +} + +/** + * Abstract Base class to block based textures loader (dds, pvr, ...) + * + * Sub classes have to implement the parse() method which will be used in load(). + */ + +class CompressedTextureLoader extends Loader { + + constructor( manager ) { + + super( manager ); + + } + + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + const images = []; + + const texture = new CompressedTexture(); + + const loader = new FileLoader( this.manager ); + loader.setPath( this.path ); + loader.setResponseType( 'arraybuffer' ); + loader.setRequestHeader( this.requestHeader ); + loader.setWithCredentials( scope.withCredentials ); + + let loaded = 0; + + function loadTexture( i ) { + + loader.load( url[ i ], function ( buffer ) { + + const texDatas = scope.parse( buffer, true ); + + images[ i ] = { + width: texDatas.width, + height: texDatas.height, + format: texDatas.format, + mipmaps: texDatas.mipmaps + }; + + loaded += 1; + + if ( loaded === 6 ) { + + if ( texDatas.mipmapCount === 1 ) texture.minFilter = LinearFilter; + + texture.image = images; + texture.format = texDatas.format; + texture.needsUpdate = true; + + if ( onLoad ) onLoad( texture ); + + } + + }, onProgress, onError ); + + } + + if ( Array.isArray( url ) ) { + + for ( let i = 0, il = url.length; i < il; ++ i ) { + + loadTexture( i ); + + } + + } else { + + // compressed cubemap texture stored in a single DDS file + + loader.load( url, function ( buffer ) { + + const texDatas = scope.parse( buffer, true ); + + if ( texDatas.isCubemap ) { + + const faces = texDatas.mipmaps.length / texDatas.mipmapCount; + + for ( let f = 0; f < faces; f ++ ) { + + images[ f ] = { mipmaps: [] }; + + for ( let i = 0; i < texDatas.mipmapCount; i ++ ) { + + images[ f ].mipmaps.push( texDatas.mipmaps[ f * texDatas.mipmapCount + i ] ); + images[ f ].format = texDatas.format; + images[ f ].width = texDatas.width; + images[ f ].height = texDatas.height; + + } + + } + + texture.image = images; + + } else { + + texture.image.width = texDatas.width; + texture.image.height = texDatas.height; + texture.mipmaps = texDatas.mipmaps; + + } + + if ( texDatas.mipmapCount === 1 ) { + + texture.minFilter = LinearFilter; + + } + + texture.format = texDatas.format; + texture.needsUpdate = true; + + if ( onLoad ) onLoad( texture ); + + }, onProgress, onError ); + + } + + return texture; + + } + +} + +class ImageLoader extends Loader { + + constructor( manager ) { + + super( manager ); + + } + + load( url, onLoad, onProgress, onError ) { + + if ( this.path !== undefined ) url = this.path + url; + + url = this.manager.resolveURL( url ); + + const scope = this; + + const cached = Cache.get( url ); + + if ( cached !== undefined ) { + + scope.manager.itemStart( url ); + + setTimeout( function () { + + if ( onLoad ) onLoad( cached ); + + scope.manager.itemEnd( url ); + + }, 0 ); + + return cached; + + } + + const image = createElementNS( 'img' ); + + function onImageLoad() { + + removeEventListeners(); + + Cache.add( url, this ); + + if ( onLoad ) onLoad( this ); + + scope.manager.itemEnd( url ); + + } + + function onImageError( event ) { + + removeEventListeners(); + + if ( onError ) onError( event ); + + scope.manager.itemError( url ); + scope.manager.itemEnd( url ); + + } + + function removeEventListeners() { + + image.removeEventListener( 'load', onImageLoad, false ); + image.removeEventListener( 'error', onImageError, false ); + + } + + image.addEventListener( 'load', onImageLoad, false ); + image.addEventListener( 'error', onImageError, false ); + + if ( url.slice( 0, 5 ) !== 'data:' ) { + + if ( this.crossOrigin !== undefined ) image.crossOrigin = this.crossOrigin; + + } + + scope.manager.itemStart( url ); + + image.src = url; + + return image; + + } + +} + +class CubeTextureLoader extends Loader { + + constructor( manager ) { + + super( manager ); + + } + + load( urls, onLoad, onProgress, onError ) { + + const texture = new CubeTexture(); + + const loader = new ImageLoader( this.manager ); + loader.setCrossOrigin( this.crossOrigin ); + loader.setPath( this.path ); + + let loaded = 0; + + function loadTexture( i ) { + + loader.load( urls[ i ], function ( image ) { + + texture.images[ i ] = image; + + loaded ++; + + if ( loaded === 6 ) { + + texture.needsUpdate = true; + + if ( onLoad ) onLoad( texture ); + + } + + }, undefined, onError ); + + } + + for ( let i = 0; i < urls.length; ++ i ) { + + loadTexture( i ); + + } + + return texture; + + } + +} + +/** + * Abstract Base class to load generic binary textures formats (rgbe, hdr, ...) + * + * Sub classes have to implement the parse() method which will be used in load(). + */ + +class DataTextureLoader extends Loader { + + constructor( manager ) { + + super( manager ); + + } + + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + const texture = new DataTexture(); + + const loader = new FileLoader( this.manager ); + loader.setResponseType( 'arraybuffer' ); + loader.setRequestHeader( this.requestHeader ); + loader.setPath( this.path ); + loader.setWithCredentials( scope.withCredentials ); + loader.load( url, function ( buffer ) { + + const texData = scope.parse( buffer ); + + if ( ! texData ) return; + + if ( texData.image !== undefined ) { + + texture.image = texData.image; + + } else if ( texData.data !== undefined ) { + + texture.image.width = texData.width; + texture.image.height = texData.height; + texture.image.data = texData.data; + + } + + texture.wrapS = texData.wrapS !== undefined ? texData.wrapS : ClampToEdgeWrapping; + texture.wrapT = texData.wrapT !== undefined ? texData.wrapT : ClampToEdgeWrapping; + + texture.magFilter = texData.magFilter !== undefined ? texData.magFilter : LinearFilter; + texture.minFilter = texData.minFilter !== undefined ? texData.minFilter : LinearFilter; + + texture.anisotropy = texData.anisotropy !== undefined ? texData.anisotropy : 1; + + if ( texData.encoding !== undefined ) { + + texture.encoding = texData.encoding; + + } + + if ( texData.flipY !== undefined ) { + + texture.flipY = texData.flipY; + + } + + if ( texData.format !== undefined ) { + + texture.format = texData.format; + + } + + if ( texData.type !== undefined ) { + + texture.type = texData.type; + + } + + if ( texData.mipmaps !== undefined ) { + + texture.mipmaps = texData.mipmaps; + texture.minFilter = LinearMipmapLinearFilter; // presumably... + + } + + if ( texData.mipmapCount === 1 ) { + + texture.minFilter = LinearFilter; + + } + + if ( texData.generateMipmaps !== undefined ) { + + texture.generateMipmaps = texData.generateMipmaps; + + } + + texture.needsUpdate = true; + + if ( onLoad ) onLoad( texture, texData ); + + }, onProgress, onError ); + + + return texture; + + } + +} + +class TextureLoader extends Loader { + + constructor( manager ) { + + super( manager ); + + } + + load( url, onLoad, onProgress, onError ) { + + const texture = new Texture(); + + const loader = new ImageLoader( this.manager ); + loader.setCrossOrigin( this.crossOrigin ); + loader.setPath( this.path ); + + loader.load( url, function ( image ) { + + texture.image = image; + texture.needsUpdate = true; + + if ( onLoad !== undefined ) { + + onLoad( texture ); + + } + + }, onProgress, onError ); + + return texture; + + } + +} + +class Light extends Object3D { + + constructor( color, intensity = 1 ) { + + super(); + + this.isLight = true; + + this.type = 'Light'; + + this.color = new Color( color ); + this.intensity = intensity; + + } + + dispose() { + + // Empty here in base class; some subclasses override. + + } + + copy( source, recursive ) { + + super.copy( source, recursive ); + + this.color.copy( source.color ); + this.intensity = source.intensity; + + return this; + + } + + toJSON( meta ) { + + const data = super.toJSON( meta ); + + data.object.color = this.color.getHex(); + data.object.intensity = this.intensity; + + if ( this.groundColor !== undefined ) data.object.groundColor = this.groundColor.getHex(); + + if ( this.distance !== undefined ) data.object.distance = this.distance; + if ( this.angle !== undefined ) data.object.angle = this.angle; + if ( this.decay !== undefined ) data.object.decay = this.decay; + if ( this.penumbra !== undefined ) data.object.penumbra = this.penumbra; + + if ( this.shadow !== undefined ) data.object.shadow = this.shadow.toJSON(); + + return data; + + } + +} + +class HemisphereLight extends Light { + + constructor( skyColor, groundColor, intensity ) { + + super( skyColor, intensity ); + + this.isHemisphereLight = true; + + this.type = 'HemisphereLight'; + + this.position.copy( Object3D.DefaultUp ); + this.updateMatrix(); + + this.groundColor = new Color( groundColor ); + + } + + copy( source, recursive ) { + + super.copy( source, recursive ); + + this.groundColor.copy( source.groundColor ); + + return this; + + } + +} + +const _projScreenMatrix$1 = /*@__PURE__*/ new Matrix4(); +const _lightPositionWorld$1 = /*@__PURE__*/ new Vector3(); +const _lookTarget$1 = /*@__PURE__*/ new Vector3(); + +class LightShadow { + + constructor( camera ) { + + this.camera = camera; + + this.bias = 0; + this.normalBias = 0; + this.radius = 1; + this.blurSamples = 8; + + this.mapSize = new Vector2( 512, 512 ); + + this.map = null; + this.mapPass = null; + this.matrix = new Matrix4(); + + this.autoUpdate = true; + this.needsUpdate = false; + + this._frustum = new Frustum(); + this._frameExtents = new Vector2( 1, 1 ); + + this._viewportCount = 1; + + this._viewports = [ + + new Vector4( 0, 0, 1, 1 ) + + ]; + + } + + getViewportCount() { + + return this._viewportCount; + + } + + getFrustum() { + + return this._frustum; + + } + + updateMatrices( light ) { + + const shadowCamera = this.camera; + const shadowMatrix = this.matrix; + + _lightPositionWorld$1.setFromMatrixPosition( light.matrixWorld ); + shadowCamera.position.copy( _lightPositionWorld$1 ); + + _lookTarget$1.setFromMatrixPosition( light.target.matrixWorld ); + shadowCamera.lookAt( _lookTarget$1 ); + shadowCamera.updateMatrixWorld(); + + _projScreenMatrix$1.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse ); + this._frustum.setFromProjectionMatrix( _projScreenMatrix$1 ); + + shadowMatrix.set( + 0.5, 0.0, 0.0, 0.5, + 0.0, 0.5, 0.0, 0.5, + 0.0, 0.0, 0.5, 0.5, + 0.0, 0.0, 0.0, 1.0 + ); + + shadowMatrix.multiply( shadowCamera.projectionMatrix ); + shadowMatrix.multiply( shadowCamera.matrixWorldInverse ); + + } + + getViewport( viewportIndex ) { + + return this._viewports[ viewportIndex ]; + + } + + getFrameExtents() { + + return this._frameExtents; + + } + + dispose() { + + if ( this.map ) { + + this.map.dispose(); + + } + + if ( this.mapPass ) { + + this.mapPass.dispose(); + + } + + } + + copy( source ) { + + this.camera = source.camera.clone(); + + this.bias = source.bias; + this.radius = source.radius; + + this.mapSize.copy( source.mapSize ); + + return this; + + } + + clone() { + + return new this.constructor().copy( this ); + + } + + toJSON() { + + const object = {}; + + if ( this.bias !== 0 ) object.bias = this.bias; + if ( this.normalBias !== 0 ) object.normalBias = this.normalBias; + if ( this.radius !== 1 ) object.radius = this.radius; + if ( this.mapSize.x !== 512 || this.mapSize.y !== 512 ) object.mapSize = this.mapSize.toArray(); + + object.camera = this.camera.toJSON( false ).object; + delete object.camera.matrix; + + return object; + + } + +} + +class SpotLightShadow extends LightShadow { + + constructor() { + + super( new PerspectiveCamera( 50, 1, 0.5, 500 ) ); + + this.isSpotLightShadow = true; + + this.focus = 1; + + } + + updateMatrices( light ) { + + const camera = this.camera; + + const fov = RAD2DEG * 2 * light.angle * this.focus; + const aspect = this.mapSize.width / this.mapSize.height; + const far = light.distance || camera.far; + + if ( fov !== camera.fov || aspect !== camera.aspect || far !== camera.far ) { + + camera.fov = fov; + camera.aspect = aspect; + camera.far = far; + camera.updateProjectionMatrix(); + + } + + super.updateMatrices( light ); + + } + + copy( source ) { + + super.copy( source ); + + this.focus = source.focus; + + return this; + + } + +} + +class SpotLight extends Light { + + constructor( color, intensity, distance = 0, angle = Math.PI / 3, penumbra = 0, decay = 1 ) { + + super( color, intensity ); + + this.isSpotLight = true; + + this.type = 'SpotLight'; + + this.position.copy( Object3D.DefaultUp ); + this.updateMatrix(); + + this.target = new Object3D(); + + this.distance = distance; + this.angle = angle; + this.penumbra = penumbra; + this.decay = decay; // for physically correct lights, should be 2. + + this.shadow = new SpotLightShadow(); + + } + + get power() { + + // compute the light's luminous power (in lumens) from its intensity (in candela) + // by convention for a spotlight, luminous power (lm) = π * luminous intensity (cd) + return this.intensity * Math.PI; + + } + + set power( power ) { + + // set the light's intensity (in candela) from the desired luminous power (in lumens) + this.intensity = power / Math.PI; + + } + + dispose() { + + this.shadow.dispose(); + + } + + copy( source, recursive ) { + + super.copy( source, recursive ); + + this.distance = source.distance; + this.angle = source.angle; + this.penumbra = source.penumbra; + this.decay = source.decay; + + this.target = source.target.clone(); + + this.shadow = source.shadow.clone(); + + return this; + + } + +} + +const _projScreenMatrix = /*@__PURE__*/ new Matrix4(); +const _lightPositionWorld = /*@__PURE__*/ new Vector3(); +const _lookTarget = /*@__PURE__*/ new Vector3(); + +class PointLightShadow extends LightShadow { + + constructor() { + + super( new PerspectiveCamera( 90, 1, 0.5, 500 ) ); + + this.isPointLightShadow = true; + + this._frameExtents = new Vector2( 4, 2 ); + + this._viewportCount = 6; + + this._viewports = [ + // These viewports map a cube-map onto a 2D texture with the + // following orientation: + // + // xzXZ + // y Y + // + // X - Positive x direction + // x - Negative x direction + // Y - Positive y direction + // y - Negative y direction + // Z - Positive z direction + // z - Negative z direction + + // positive X + new Vector4( 2, 1, 1, 1 ), + // negative X + new Vector4( 0, 1, 1, 1 ), + // positive Z + new Vector4( 3, 1, 1, 1 ), + // negative Z + new Vector4( 1, 1, 1, 1 ), + // positive Y + new Vector4( 3, 0, 1, 1 ), + // negative Y + new Vector4( 1, 0, 1, 1 ) + ]; + + this._cubeDirections = [ + new Vector3( 1, 0, 0 ), new Vector3( - 1, 0, 0 ), new Vector3( 0, 0, 1 ), + new Vector3( 0, 0, - 1 ), new Vector3( 0, 1, 0 ), new Vector3( 0, - 1, 0 ) + ]; + + this._cubeUps = [ + new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), + new Vector3( 0, 1, 0 ), new Vector3( 0, 0, 1 ), new Vector3( 0, 0, - 1 ) + ]; + + } + + updateMatrices( light, viewportIndex = 0 ) { + + const camera = this.camera; + const shadowMatrix = this.matrix; + + const far = light.distance || camera.far; + + if ( far !== camera.far ) { + + camera.far = far; + camera.updateProjectionMatrix(); + + } + + _lightPositionWorld.setFromMatrixPosition( light.matrixWorld ); + camera.position.copy( _lightPositionWorld ); + + _lookTarget.copy( camera.position ); + _lookTarget.add( this._cubeDirections[ viewportIndex ] ); + camera.up.copy( this._cubeUps[ viewportIndex ] ); + camera.lookAt( _lookTarget ); + camera.updateMatrixWorld(); + + shadowMatrix.makeTranslation( - _lightPositionWorld.x, - _lightPositionWorld.y, - _lightPositionWorld.z ); + + _projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse ); + this._frustum.setFromProjectionMatrix( _projScreenMatrix ); + + } + +} + +class PointLight extends Light { + + constructor( color, intensity, distance = 0, decay = 1 ) { + + super( color, intensity ); + + this.isPointLight = true; + + this.type = 'PointLight'; + + this.distance = distance; + this.decay = decay; // for physically correct lights, should be 2. + + this.shadow = new PointLightShadow(); + + } + + get power() { + + // compute the light's luminous power (in lumens) from its intensity (in candela) + // for an isotropic light source, luminous power (lm) = 4 π luminous intensity (cd) + return this.intensity * 4 * Math.PI; + + } + + set power( power ) { + + // set the light's intensity (in candela) from the desired luminous power (in lumens) + this.intensity = power / ( 4 * Math.PI ); + + } + + dispose() { + + this.shadow.dispose(); + + } + + copy( source, recursive ) { + + super.copy( source, recursive ); + + this.distance = source.distance; + this.decay = source.decay; + + this.shadow = source.shadow.clone(); + + return this; + + } + +} + +class DirectionalLightShadow extends LightShadow { + + constructor() { + + super( new OrthographicCamera( - 5, 5, 5, - 5, 0.5, 500 ) ); + + this.isDirectionalLightShadow = true; + + } + +} + +class DirectionalLight extends Light { + + constructor( color, intensity ) { + + super( color, intensity ); + + this.isDirectionalLight = true; + + this.type = 'DirectionalLight'; + + this.position.copy( Object3D.DefaultUp ); + this.updateMatrix(); + + this.target = new Object3D(); + + this.shadow = new DirectionalLightShadow(); + + } + + dispose() { + + this.shadow.dispose(); + + } + + copy( source ) { + + super.copy( source ); + + this.target = source.target.clone(); + this.shadow = source.shadow.clone(); + + return this; + + } + +} + +class AmbientLight extends Light { + + constructor( color, intensity ) { + + super( color, intensity ); + + this.isAmbientLight = true; + + this.type = 'AmbientLight'; + + } + +} + +class RectAreaLight extends Light { + + constructor( color, intensity, width = 10, height = 10 ) { + + super( color, intensity ); + + this.isRectAreaLight = true; + + this.type = 'RectAreaLight'; + + this.width = width; + this.height = height; + + } + + get power() { + + // compute the light's luminous power (in lumens) from its intensity (in nits) + return this.intensity * this.width * this.height * Math.PI; + + } + + set power( power ) { + + // set the light's intensity (in nits) from the desired luminous power (in lumens) + this.intensity = power / ( this.width * this.height * Math.PI ); + + } + + copy( source ) { + + super.copy( source ); + + this.width = source.width; + this.height = source.height; + + return this; + + } + + toJSON( meta ) { + + const data = super.toJSON( meta ); + + data.object.width = this.width; + data.object.height = this.height; + + return data; + + } + +} + +/** + * Primary reference: + * https://graphics.stanford.edu/papers/envmap/envmap.pdf + * + * Secondary reference: + * https://www.ppsloan.org/publications/StupidSH36.pdf + */ + +// 3-band SH defined by 9 coefficients + +class SphericalHarmonics3 { + + constructor() { + + this.isSphericalHarmonics3 = true; + + this.coefficients = []; + + for ( let i = 0; i < 9; i ++ ) { + + this.coefficients.push( new Vector3() ); + + } + + } + + set( coefficients ) { + + for ( let i = 0; i < 9; i ++ ) { + + this.coefficients[ i ].copy( coefficients[ i ] ); + + } + + return this; + + } + + zero() { + + for ( let i = 0; i < 9; i ++ ) { + + this.coefficients[ i ].set( 0, 0, 0 ); + + } + + return this; + + } + + // get the radiance in the direction of the normal + // target is a Vector3 + getAt( normal, target ) { + + // normal is assumed to be unit length + + const x = normal.x, y = normal.y, z = normal.z; + + const coeff = this.coefficients; + + // band 0 + target.copy( coeff[ 0 ] ).multiplyScalar( 0.282095 ); + + // band 1 + target.addScaledVector( coeff[ 1 ], 0.488603 * y ); + target.addScaledVector( coeff[ 2 ], 0.488603 * z ); + target.addScaledVector( coeff[ 3 ], 0.488603 * x ); + + // band 2 + target.addScaledVector( coeff[ 4 ], 1.092548 * ( x * y ) ); + target.addScaledVector( coeff[ 5 ], 1.092548 * ( y * z ) ); + target.addScaledVector( coeff[ 6 ], 0.315392 * ( 3.0 * z * z - 1.0 ) ); + target.addScaledVector( coeff[ 7 ], 1.092548 * ( x * z ) ); + target.addScaledVector( coeff[ 8 ], 0.546274 * ( x * x - y * y ) ); + + return target; + + } + + // get the irradiance (radiance convolved with cosine lobe) in the direction of the normal + // target is a Vector3 + // https://graphics.stanford.edu/papers/envmap/envmap.pdf + getIrradianceAt( normal, target ) { + + // normal is assumed to be unit length + + const x = normal.x, y = normal.y, z = normal.z; + + const coeff = this.coefficients; + + // band 0 + target.copy( coeff[ 0 ] ).multiplyScalar( 0.886227 ); // π * 0.282095 + + // band 1 + target.addScaledVector( coeff[ 1 ], 2.0 * 0.511664 * y ); // ( 2 * π / 3 ) * 0.488603 + target.addScaledVector( coeff[ 2 ], 2.0 * 0.511664 * z ); + target.addScaledVector( coeff[ 3 ], 2.0 * 0.511664 * x ); + + // band 2 + target.addScaledVector( coeff[ 4 ], 2.0 * 0.429043 * x * y ); // ( π / 4 ) * 1.092548 + target.addScaledVector( coeff[ 5 ], 2.0 * 0.429043 * y * z ); + target.addScaledVector( coeff[ 6 ], 0.743125 * z * z - 0.247708 ); // ( π / 4 ) * 0.315392 * 3 + target.addScaledVector( coeff[ 7 ], 2.0 * 0.429043 * x * z ); + target.addScaledVector( coeff[ 8 ], 0.429043 * ( x * x - y * y ) ); // ( π / 4 ) * 0.546274 + + return target; + + } + + add( sh ) { + + for ( let i = 0; i < 9; i ++ ) { + + this.coefficients[ i ].add( sh.coefficients[ i ] ); + + } + + return this; + + } + + addScaledSH( sh, s ) { + + for ( let i = 0; i < 9; i ++ ) { + + this.coefficients[ i ].addScaledVector( sh.coefficients[ i ], s ); + + } + + return this; + + } + + scale( s ) { + + for ( let i = 0; i < 9; i ++ ) { + + this.coefficients[ i ].multiplyScalar( s ); + + } + + return this; + + } + + lerp( sh, alpha ) { + + for ( let i = 0; i < 9; i ++ ) { + + this.coefficients[ i ].lerp( sh.coefficients[ i ], alpha ); + + } + + return this; + + } + + equals( sh ) { + + for ( let i = 0; i < 9; i ++ ) { + + if ( ! this.coefficients[ i ].equals( sh.coefficients[ i ] ) ) { + + return false; + + } + + } + + return true; + + } + + copy( sh ) { + + return this.set( sh.coefficients ); + + } + + clone() { + + return new this.constructor().copy( this ); + + } + + fromArray( array, offset = 0 ) { + + const coefficients = this.coefficients; + + for ( let i = 0; i < 9; i ++ ) { + + coefficients[ i ].fromArray( array, offset + ( i * 3 ) ); + + } + + return this; + + } + + toArray( array = [], offset = 0 ) { + + const coefficients = this.coefficients; + + for ( let i = 0; i < 9; i ++ ) { + + coefficients[ i ].toArray( array, offset + ( i * 3 ) ); + + } + + return array; + + } + + // evaluate the basis functions + // shBasis is an Array[ 9 ] + static getBasisAt( normal, shBasis ) { + + // normal is assumed to be unit length + + const x = normal.x, y = normal.y, z = normal.z; + + // band 0 + shBasis[ 0 ] = 0.282095; + + // band 1 + shBasis[ 1 ] = 0.488603 * y; + shBasis[ 2 ] = 0.488603 * z; + shBasis[ 3 ] = 0.488603 * x; + + // band 2 + shBasis[ 4 ] = 1.092548 * x * y; + shBasis[ 5 ] = 1.092548 * y * z; + shBasis[ 6 ] = 0.315392 * ( 3 * z * z - 1 ); + shBasis[ 7 ] = 1.092548 * x * z; + shBasis[ 8 ] = 0.546274 * ( x * x - y * y ); + + } + +} + +class LightProbe extends Light { + + constructor( sh = new SphericalHarmonics3(), intensity = 1 ) { + + super( undefined, intensity ); + + this.isLightProbe = true; + + this.sh = sh; + + } + + copy( source ) { + + super.copy( source ); + + this.sh.copy( source.sh ); + + return this; + + } + + fromJSON( json ) { + + this.intensity = json.intensity; // TODO: Move this bit to Light.fromJSON(); + this.sh.fromArray( json.sh ); + + return this; + + } + + toJSON( meta ) { + + const data = super.toJSON( meta ); + + data.object.sh = this.sh.toArray(); + + return data; + + } + +} + +class MaterialLoader extends Loader { + + constructor( manager ) { + + super( manager ); + this.textures = {}; + + } + + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + const loader = new FileLoader( scope.manager ); + loader.setPath( scope.path ); + loader.setRequestHeader( scope.requestHeader ); + loader.setWithCredentials( scope.withCredentials ); + loader.load( url, function ( text ) { + + try { + + onLoad( scope.parse( JSON.parse( text ) ) ); + + } catch ( e ) { + + if ( onError ) { + + onError( e ); + + } else { + + console.error( e ); + + } + + scope.manager.itemError( url ); + + } + + }, onProgress, onError ); + + } + + parse( json ) { + + const textures = this.textures; + + function getTexture( name ) { + + if ( textures[ name ] === undefined ) { + + console.warn( 'THREE.MaterialLoader: Undefined texture', name ); + + } + + return textures[ name ]; + + } + + const material = MaterialLoader.createMaterialFromType( json.type ); + + if ( json.uuid !== undefined ) material.uuid = json.uuid; + if ( json.name !== undefined ) material.name = json.name; + if ( json.color !== undefined && material.color !== undefined ) material.color.setHex( json.color ); + if ( json.roughness !== undefined ) material.roughness = json.roughness; + if ( json.metalness !== undefined ) material.metalness = json.metalness; + if ( json.sheen !== undefined ) material.sheen = json.sheen; + if ( json.sheenColor !== undefined ) material.sheenColor = new Color().setHex( json.sheenColor ); + if ( json.sheenRoughness !== undefined ) material.sheenRoughness = json.sheenRoughness; + if ( json.emissive !== undefined && material.emissive !== undefined ) material.emissive.setHex( json.emissive ); + if ( json.specular !== undefined && material.specular !== undefined ) material.specular.setHex( json.specular ); + if ( json.specularIntensity !== undefined ) material.specularIntensity = json.specularIntensity; + if ( json.specularColor !== undefined && material.specularColor !== undefined ) material.specularColor.setHex( json.specularColor ); + if ( json.shininess !== undefined ) material.shininess = json.shininess; + if ( json.clearcoat !== undefined ) material.clearcoat = json.clearcoat; + if ( json.clearcoatRoughness !== undefined ) material.clearcoatRoughness = json.clearcoatRoughness; + if ( json.iridescence !== undefined ) material.iridescence = json.iridescence; + if ( json.iridescenceIOR !== undefined ) material.iridescenceIOR = json.iridescenceIOR; + if ( json.iridescenceThicknessRange !== undefined ) material.iridescenceThicknessRange = json.iridescenceThicknessRange; + if ( json.transmission !== undefined ) material.transmission = json.transmission; + if ( json.thickness !== undefined ) material.thickness = json.thickness; + if ( json.attenuationDistance !== undefined ) material.attenuationDistance = json.attenuationDistance; + if ( json.attenuationColor !== undefined && material.attenuationColor !== undefined ) material.attenuationColor.setHex( json.attenuationColor ); + if ( json.fog !== undefined ) material.fog = json.fog; + if ( json.flatShading !== undefined ) material.flatShading = json.flatShading; + if ( json.blending !== undefined ) material.blending = json.blending; + if ( json.combine !== undefined ) material.combine = json.combine; + if ( json.side !== undefined ) material.side = json.side; + if ( json.shadowSide !== undefined ) material.shadowSide = json.shadowSide; + if ( json.opacity !== undefined ) material.opacity = json.opacity; + if ( json.transparent !== undefined ) material.transparent = json.transparent; + if ( json.alphaTest !== undefined ) material.alphaTest = json.alphaTest; + if ( json.depthTest !== undefined ) material.depthTest = json.depthTest; + if ( json.depthWrite !== undefined ) material.depthWrite = json.depthWrite; + if ( json.colorWrite !== undefined ) material.colorWrite = json.colorWrite; + + if ( json.stencilWrite !== undefined ) material.stencilWrite = json.stencilWrite; + if ( json.stencilWriteMask !== undefined ) material.stencilWriteMask = json.stencilWriteMask; + if ( json.stencilFunc !== undefined ) material.stencilFunc = json.stencilFunc; + if ( json.stencilRef !== undefined ) material.stencilRef = json.stencilRef; + if ( json.stencilFuncMask !== undefined ) material.stencilFuncMask = json.stencilFuncMask; + if ( json.stencilFail !== undefined ) material.stencilFail = json.stencilFail; + if ( json.stencilZFail !== undefined ) material.stencilZFail = json.stencilZFail; + if ( json.stencilZPass !== undefined ) material.stencilZPass = json.stencilZPass; + + if ( json.wireframe !== undefined ) material.wireframe = json.wireframe; + if ( json.wireframeLinewidth !== undefined ) material.wireframeLinewidth = json.wireframeLinewidth; + if ( json.wireframeLinecap !== undefined ) material.wireframeLinecap = json.wireframeLinecap; + if ( json.wireframeLinejoin !== undefined ) material.wireframeLinejoin = json.wireframeLinejoin; + + if ( json.rotation !== undefined ) material.rotation = json.rotation; + + if ( json.linewidth !== 1 ) material.linewidth = json.linewidth; + if ( json.dashSize !== undefined ) material.dashSize = json.dashSize; + if ( json.gapSize !== undefined ) material.gapSize = json.gapSize; + if ( json.scale !== undefined ) material.scale = json.scale; + + if ( json.polygonOffset !== undefined ) material.polygonOffset = json.polygonOffset; + if ( json.polygonOffsetFactor !== undefined ) material.polygonOffsetFactor = json.polygonOffsetFactor; + if ( json.polygonOffsetUnits !== undefined ) material.polygonOffsetUnits = json.polygonOffsetUnits; + + if ( json.dithering !== undefined ) material.dithering = json.dithering; + + if ( json.alphaToCoverage !== undefined ) material.alphaToCoverage = json.alphaToCoverage; + if ( json.premultipliedAlpha !== undefined ) material.premultipliedAlpha = json.premultipliedAlpha; + + if ( json.visible !== undefined ) material.visible = json.visible; + + if ( json.toneMapped !== undefined ) material.toneMapped = json.toneMapped; + + if ( json.userData !== undefined ) material.userData = json.userData; + + if ( json.vertexColors !== undefined ) { + + if ( typeof json.vertexColors === 'number' ) { + + material.vertexColors = ( json.vertexColors > 0 ) ? true : false; + + } else { + + material.vertexColors = json.vertexColors; + + } + + } + + // Shader Material + + if ( json.uniforms !== undefined ) { + + for ( const name in json.uniforms ) { + + const uniform = json.uniforms[ name ]; + + material.uniforms[ name ] = {}; + + switch ( uniform.type ) { + + case 't': + material.uniforms[ name ].value = getTexture( uniform.value ); + break; + + case 'c': + material.uniforms[ name ].value = new Color().setHex( uniform.value ); + break; + + case 'v2': + material.uniforms[ name ].value = new Vector2().fromArray( uniform.value ); + break; + + case 'v3': + material.uniforms[ name ].value = new Vector3().fromArray( uniform.value ); + break; + + case 'v4': + material.uniforms[ name ].value = new Vector4().fromArray( uniform.value ); + break; + + case 'm3': + material.uniforms[ name ].value = new Matrix3().fromArray( uniform.value ); + break; + + case 'm4': + material.uniforms[ name ].value = new Matrix4().fromArray( uniform.value ); + break; + + default: + material.uniforms[ name ].value = uniform.value; + + } + + } + + } + + if ( json.defines !== undefined ) material.defines = json.defines; + if ( json.vertexShader !== undefined ) material.vertexShader = json.vertexShader; + if ( json.fragmentShader !== undefined ) material.fragmentShader = json.fragmentShader; + + if ( json.extensions !== undefined ) { + + for ( const key in json.extensions ) { + + material.extensions[ key ] = json.extensions[ key ]; + + } + + } + + // Deprecated + + if ( json.shading !== undefined ) material.flatShading = json.shading === 1; // THREE.FlatShading + + // for PointsMaterial + + if ( json.size !== undefined ) material.size = json.size; + if ( json.sizeAttenuation !== undefined ) material.sizeAttenuation = json.sizeAttenuation; + + // maps + + if ( json.map !== undefined ) material.map = getTexture( json.map ); + if ( json.matcap !== undefined ) material.matcap = getTexture( json.matcap ); + + if ( json.alphaMap !== undefined ) material.alphaMap = getTexture( json.alphaMap ); + + if ( json.bumpMap !== undefined ) material.bumpMap = getTexture( json.bumpMap ); + if ( json.bumpScale !== undefined ) material.bumpScale = json.bumpScale; + + if ( json.normalMap !== undefined ) material.normalMap = getTexture( json.normalMap ); + if ( json.normalMapType !== undefined ) material.normalMapType = json.normalMapType; + if ( json.normalScale !== undefined ) { + + let normalScale = json.normalScale; + + if ( Array.isArray( normalScale ) === false ) { + + // Blender exporter used to export a scalar. See #7459 + + normalScale = [ normalScale, normalScale ]; + + } + + material.normalScale = new Vector2().fromArray( normalScale ); + + } + + if ( json.displacementMap !== undefined ) material.displacementMap = getTexture( json.displacementMap ); + if ( json.displacementScale !== undefined ) material.displacementScale = json.displacementScale; + if ( json.displacementBias !== undefined ) material.displacementBias = json.displacementBias; + + if ( json.roughnessMap !== undefined ) material.roughnessMap = getTexture( json.roughnessMap ); + if ( json.metalnessMap !== undefined ) material.metalnessMap = getTexture( json.metalnessMap ); + + if ( json.emissiveMap !== undefined ) material.emissiveMap = getTexture( json.emissiveMap ); + if ( json.emissiveIntensity !== undefined ) material.emissiveIntensity = json.emissiveIntensity; + + if ( json.specularMap !== undefined ) material.specularMap = getTexture( json.specularMap ); + if ( json.specularIntensityMap !== undefined ) material.specularIntensityMap = getTexture( json.specularIntensityMap ); + if ( json.specularColorMap !== undefined ) material.specularColorMap = getTexture( json.specularColorMap ); + + if ( json.envMap !== undefined ) material.envMap = getTexture( json.envMap ); + if ( json.envMapIntensity !== undefined ) material.envMapIntensity = json.envMapIntensity; + + if ( json.reflectivity !== undefined ) material.reflectivity = json.reflectivity; + if ( json.refractionRatio !== undefined ) material.refractionRatio = json.refractionRatio; + + if ( json.lightMap !== undefined ) material.lightMap = getTexture( json.lightMap ); + if ( json.lightMapIntensity !== undefined ) material.lightMapIntensity = json.lightMapIntensity; + + if ( json.aoMap !== undefined ) material.aoMap = getTexture( json.aoMap ); + if ( json.aoMapIntensity !== undefined ) material.aoMapIntensity = json.aoMapIntensity; + + if ( json.gradientMap !== undefined ) material.gradientMap = getTexture( json.gradientMap ); + + if ( json.clearcoatMap !== undefined ) material.clearcoatMap = getTexture( json.clearcoatMap ); + if ( json.clearcoatRoughnessMap !== undefined ) material.clearcoatRoughnessMap = getTexture( json.clearcoatRoughnessMap ); + if ( json.clearcoatNormalMap !== undefined ) material.clearcoatNormalMap = getTexture( json.clearcoatNormalMap ); + if ( json.clearcoatNormalScale !== undefined ) material.clearcoatNormalScale = new Vector2().fromArray( json.clearcoatNormalScale ); + + if ( json.iridescenceMap !== undefined ) material.iridescenceMap = getTexture( json.iridescenceMap ); + if ( json.iridescenceThicknessMap !== undefined ) material.iridescenceThicknessMap = getTexture( json.iridescenceThicknessMap ); + + if ( json.transmissionMap !== undefined ) material.transmissionMap = getTexture( json.transmissionMap ); + if ( json.thicknessMap !== undefined ) material.thicknessMap = getTexture( json.thicknessMap ); + + if ( json.sheenColorMap !== undefined ) material.sheenColorMap = getTexture( json.sheenColorMap ); + if ( json.sheenRoughnessMap !== undefined ) material.sheenRoughnessMap = getTexture( json.sheenRoughnessMap ); + + return material; + + } + + setTextures( value ) { + + this.textures = value; + return this; + + } + + static createMaterialFromType( type ) { + + const materialLib = { + ShadowMaterial, + SpriteMaterial, + RawShaderMaterial, + ShaderMaterial, + PointsMaterial, + MeshPhysicalMaterial, + MeshStandardMaterial, + MeshPhongMaterial, + MeshToonMaterial, + MeshNormalMaterial, + MeshLambertMaterial, + MeshDepthMaterial, + MeshDistanceMaterial, + MeshBasicMaterial, + MeshMatcapMaterial, + LineDashedMaterial, + LineBasicMaterial, + Material + }; + + return new materialLib[ type ](); + + } + +} + +class LoaderUtils { + + static decodeText( array ) { + + if ( typeof TextDecoder !== 'undefined' ) { + + return new TextDecoder().decode( array ); + + } + + // Avoid the String.fromCharCode.apply(null, array) shortcut, which + // throws a "maximum call stack size exceeded" error for large arrays. + + let s = ''; + + for ( let i = 0, il = array.length; i < il; i ++ ) { + + // Implicitly assumes little-endian. + s += String.fromCharCode( array[ i ] ); + + } + + try { + + // merges multi-byte utf-8 characters. + + return decodeURIComponent( escape( s ) ); + + } catch ( e ) { // see #16358 + + return s; + + } + + } + + static extractUrlBase( url ) { + + const index = url.lastIndexOf( '/' ); + + if ( index === - 1 ) return './'; + + return url.slice( 0, index + 1 ); + + } + + static resolveURL( url, path ) { + + // Invalid URL + if ( typeof url !== 'string' || url === '' ) return ''; + + // Host Relative URL + if ( /^https?:\/\//i.test( path ) && /^\//.test( url ) ) { + + path = path.replace( /(^https?:\/\/[^\/]+).*/i, '$1' ); + + } + + // Absolute URL http://,https://,// + if ( /^(https?:)?\/\//i.test( url ) ) return url; + + // Data URI + if ( /^data:.*,.*$/i.test( url ) ) return url; + + // Blob URL + if ( /^blob:.*$/i.test( url ) ) return url; + + // Relative URL + return path + url; + + } + +} + +class InstancedBufferGeometry extends BufferGeometry { + + constructor() { + + super(); + + this.isInstancedBufferGeometry = true; + + this.type = 'InstancedBufferGeometry'; + this.instanceCount = Infinity; + + } + + copy( source ) { + + super.copy( source ); + + this.instanceCount = source.instanceCount; + + return this; + + } + + clone() { + + return new this.constructor().copy( this ); + + } + + toJSON() { + + const data = super.toJSON( this ); + + data.instanceCount = this.instanceCount; + + data.isInstancedBufferGeometry = true; + + return data; + + } + +} + +class BufferGeometryLoader extends Loader { + + constructor( manager ) { + + super( manager ); + + } + + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + const loader = new FileLoader( scope.manager ); + loader.setPath( scope.path ); + loader.setRequestHeader( scope.requestHeader ); + loader.setWithCredentials( scope.withCredentials ); + loader.load( url, function ( text ) { + + try { + + onLoad( scope.parse( JSON.parse( text ) ) ); + + } catch ( e ) { + + if ( onError ) { + + onError( e ); + + } else { + + console.error( e ); + + } + + scope.manager.itemError( url ); + + } + + }, onProgress, onError ); + + } + + parse( json ) { + + const interleavedBufferMap = {}; + const arrayBufferMap = {}; + + function getInterleavedBuffer( json, uuid ) { + + if ( interleavedBufferMap[ uuid ] !== undefined ) return interleavedBufferMap[ uuid ]; + + const interleavedBuffers = json.interleavedBuffers; + const interleavedBuffer = interleavedBuffers[ uuid ]; + + const buffer = getArrayBuffer( json, interleavedBuffer.buffer ); + + const array = getTypedArray( interleavedBuffer.type, buffer ); + const ib = new InterleavedBuffer( array, interleavedBuffer.stride ); + ib.uuid = interleavedBuffer.uuid; + + interleavedBufferMap[ uuid ] = ib; + + return ib; + + } + + function getArrayBuffer( json, uuid ) { + + if ( arrayBufferMap[ uuid ] !== undefined ) return arrayBufferMap[ uuid ]; + + const arrayBuffers = json.arrayBuffers; + const arrayBuffer = arrayBuffers[ uuid ]; + + const ab = new Uint32Array( arrayBuffer ).buffer; + + arrayBufferMap[ uuid ] = ab; + + return ab; + + } + + const geometry = json.isInstancedBufferGeometry ? new InstancedBufferGeometry() : new BufferGeometry(); + + const index = json.data.index; + + if ( index !== undefined ) { + + const typedArray = getTypedArray( index.type, index.array ); + geometry.setIndex( new BufferAttribute( typedArray, 1 ) ); + + } + + const attributes = json.data.attributes; + + for ( const key in attributes ) { + + const attribute = attributes[ key ]; + let bufferAttribute; + + if ( attribute.isInterleavedBufferAttribute ) { + + const interleavedBuffer = getInterleavedBuffer( json.data, attribute.data ); + bufferAttribute = new InterleavedBufferAttribute( interleavedBuffer, attribute.itemSize, attribute.offset, attribute.normalized ); + + } else { + + const typedArray = getTypedArray( attribute.type, attribute.array ); + const bufferAttributeConstr = attribute.isInstancedBufferAttribute ? InstancedBufferAttribute : BufferAttribute; + bufferAttribute = new bufferAttributeConstr( typedArray, attribute.itemSize, attribute.normalized ); + + } + + if ( attribute.name !== undefined ) bufferAttribute.name = attribute.name; + if ( attribute.usage !== undefined ) bufferAttribute.setUsage( attribute.usage ); + + if ( attribute.updateRange !== undefined ) { + + bufferAttribute.updateRange.offset = attribute.updateRange.offset; + bufferAttribute.updateRange.count = attribute.updateRange.count; + + } + + geometry.setAttribute( key, bufferAttribute ); + + } + + const morphAttributes = json.data.morphAttributes; + + if ( morphAttributes ) { + + for ( const key in morphAttributes ) { + + const attributeArray = morphAttributes[ key ]; + + const array = []; + + for ( let i = 0, il = attributeArray.length; i < il; i ++ ) { + + const attribute = attributeArray[ i ]; + let bufferAttribute; + + if ( attribute.isInterleavedBufferAttribute ) { + + const interleavedBuffer = getInterleavedBuffer( json.data, attribute.data ); + bufferAttribute = new InterleavedBufferAttribute( interleavedBuffer, attribute.itemSize, attribute.offset, attribute.normalized ); + + } else { + + const typedArray = getTypedArray( attribute.type, attribute.array ); + bufferAttribute = new BufferAttribute( typedArray, attribute.itemSize, attribute.normalized ); + + } + + if ( attribute.name !== undefined ) bufferAttribute.name = attribute.name; + array.push( bufferAttribute ); + + } + + geometry.morphAttributes[ key ] = array; + + } + + } + + const morphTargetsRelative = json.data.morphTargetsRelative; + + if ( morphTargetsRelative ) { + + geometry.morphTargetsRelative = true; + + } + + const groups = json.data.groups || json.data.drawcalls || json.data.offsets; + + if ( groups !== undefined ) { + + for ( let i = 0, n = groups.length; i !== n; ++ i ) { + + const group = groups[ i ]; + + geometry.addGroup( group.start, group.count, group.materialIndex ); + + } + + } + + const boundingSphere = json.data.boundingSphere; + + if ( boundingSphere !== undefined ) { + + const center = new Vector3(); + + if ( boundingSphere.center !== undefined ) { + + center.fromArray( boundingSphere.center ); + + } + + geometry.boundingSphere = new Sphere( center, boundingSphere.radius ); + + } + + if ( json.name ) geometry.name = json.name; + if ( json.userData ) geometry.userData = json.userData; + + return geometry; + + } + +} + +class ObjectLoader extends Loader { + + constructor( manager ) { + + super( manager ); + + } + + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + const path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path; + this.resourcePath = this.resourcePath || path; + + const loader = new FileLoader( this.manager ); + loader.setPath( this.path ); + loader.setRequestHeader( this.requestHeader ); + loader.setWithCredentials( this.withCredentials ); + loader.load( url, function ( text ) { + + let json = null; + + try { + + json = JSON.parse( text ); + + } catch ( error ) { + + if ( onError !== undefined ) onError( error ); + + console.error( 'THREE:ObjectLoader: Can\'t parse ' + url + '.', error.message ); + + return; + + } + + const metadata = json.metadata; + + if ( metadata === undefined || metadata.type === undefined || metadata.type.toLowerCase() === 'geometry' ) { + + console.error( 'THREE.ObjectLoader: Can\'t load ' + url ); + return; + + } + + scope.parse( json, onLoad ); + + }, onProgress, onError ); + + } + + async loadAsync( url, onProgress ) { + + const scope = this; + + const path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path; + this.resourcePath = this.resourcePath || path; + + const loader = new FileLoader( this.manager ); + loader.setPath( this.path ); + loader.setRequestHeader( this.requestHeader ); + loader.setWithCredentials( this.withCredentials ); + + const text = await loader.loadAsync( url, onProgress ); + + const json = JSON.parse( text ); + + const metadata = json.metadata; + + if ( metadata === undefined || metadata.type === undefined || metadata.type.toLowerCase() === 'geometry' ) { + + throw new Error( 'THREE.ObjectLoader: Can\'t load ' + url ); + + } + + return await scope.parseAsync( json ); + + } + + parse( json, onLoad ) { + + const animations = this.parseAnimations( json.animations ); + const shapes = this.parseShapes( json.shapes ); + const geometries = this.parseGeometries( json.geometries, shapes ); + + const images = this.parseImages( json.images, function () { + + if ( onLoad !== undefined ) onLoad( object ); + + } ); + + const textures = this.parseTextures( json.textures, images ); + const materials = this.parseMaterials( json.materials, textures ); + + const object = this.parseObject( json.object, geometries, materials, textures, animations ); + const skeletons = this.parseSkeletons( json.skeletons, object ); + + this.bindSkeletons( object, skeletons ); + + // + + if ( onLoad !== undefined ) { + + let hasImages = false; + + for ( const uuid in images ) { + + if ( images[ uuid ].data instanceof HTMLImageElement ) { + + hasImages = true; + break; + + } + + } + + if ( hasImages === false ) onLoad( object ); + + } + + return object; + + } + + async parseAsync( json ) { + + const animations = this.parseAnimations( json.animations ); + const shapes = this.parseShapes( json.shapes ); + const geometries = this.parseGeometries( json.geometries, shapes ); + + const images = await this.parseImagesAsync( json.images ); + + const textures = this.parseTextures( json.textures, images ); + const materials = this.parseMaterials( json.materials, textures ); + + const object = this.parseObject( json.object, geometries, materials, textures, animations ); + const skeletons = this.parseSkeletons( json.skeletons, object ); + + this.bindSkeletons( object, skeletons ); + + return object; + + } + + parseShapes( json ) { + + const shapes = {}; + + if ( json !== undefined ) { + + for ( let i = 0, l = json.length; i < l; i ++ ) { + + const shape = new Shape().fromJSON( json[ i ] ); + + shapes[ shape.uuid ] = shape; + + } + + } + + return shapes; + + } + + parseSkeletons( json, object ) { + + const skeletons = {}; + const bones = {}; + + // generate bone lookup table + + object.traverse( function ( child ) { + + if ( child.isBone ) bones[ child.uuid ] = child; + + } ); + + // create skeletons + + if ( json !== undefined ) { + + for ( let i = 0, l = json.length; i < l; i ++ ) { + + const skeleton = new Skeleton().fromJSON( json[ i ], bones ); + + skeletons[ skeleton.uuid ] = skeleton; + + } + + } + + return skeletons; + + } + + parseGeometries( json, shapes ) { + + const geometries = {}; + + if ( json !== undefined ) { + + const bufferGeometryLoader = new BufferGeometryLoader(); + + for ( let i = 0, l = json.length; i < l; i ++ ) { + + let geometry; + const data = json[ i ]; + + switch ( data.type ) { + + case 'BufferGeometry': + case 'InstancedBufferGeometry': + + geometry = bufferGeometryLoader.parse( data ); + + break; + + case 'Geometry': + + console.error( 'THREE.ObjectLoader: The legacy Geometry type is no longer supported.' ); + + break; + + default: + + if ( data.type in Geometries ) { + + geometry = Geometries[ data.type ].fromJSON( data, shapes ); + + } else { + + console.warn( `THREE.ObjectLoader: Unsupported geometry type "${ data.type }"` ); + + } + + } + + geometry.uuid = data.uuid; + + if ( data.name !== undefined ) geometry.name = data.name; + if ( geometry.isBufferGeometry === true && data.userData !== undefined ) geometry.userData = data.userData; + + geometries[ data.uuid ] = geometry; + + } + + } + + return geometries; + + } + + parseMaterials( json, textures ) { + + const cache = {}; // MultiMaterial + const materials = {}; + + if ( json !== undefined ) { + + const loader = new MaterialLoader(); + loader.setTextures( textures ); + + for ( let i = 0, l = json.length; i < l; i ++ ) { + + const data = json[ i ]; + + if ( data.type === 'MultiMaterial' ) { + + // Deprecated + + const array = []; + + for ( let j = 0; j < data.materials.length; j ++ ) { + + const material = data.materials[ j ]; + + if ( cache[ material.uuid ] === undefined ) { + + cache[ material.uuid ] = loader.parse( material ); + + } + + array.push( cache[ material.uuid ] ); + + } + + materials[ data.uuid ] = array; + + } else { + + if ( cache[ data.uuid ] === undefined ) { + + cache[ data.uuid ] = loader.parse( data ); + + } + + materials[ data.uuid ] = cache[ data.uuid ]; + + } + + } + + } + + return materials; + + } + + parseAnimations( json ) { + + const animations = {}; + + if ( json !== undefined ) { + + for ( let i = 0; i < json.length; i ++ ) { + + const data = json[ i ]; + + const clip = AnimationClip.parse( data ); + + animations[ clip.uuid ] = clip; + + } + + } + + return animations; + + } + + parseImages( json, onLoad ) { + + const scope = this; + const images = {}; + + let loader; + + function loadImage( url ) { + + scope.manager.itemStart( url ); + + return loader.load( url, function () { + + scope.manager.itemEnd( url ); + + }, undefined, function () { + + scope.manager.itemError( url ); + scope.manager.itemEnd( url ); + + } ); + + } + + function deserializeImage( image ) { + + if ( typeof image === 'string' ) { + + const url = image; + + const path = /^(\/\/)|([a-z]+:(\/\/)?)/i.test( url ) ? url : scope.resourcePath + url; + + return loadImage( path ); + + } else { + + if ( image.data ) { + + return { + data: getTypedArray( image.type, image.data ), + width: image.width, + height: image.height + }; + + } else { + + return null; + + } + + } + + } + + if ( json !== undefined && json.length > 0 ) { + + const manager = new LoadingManager( onLoad ); + + loader = new ImageLoader( manager ); + loader.setCrossOrigin( this.crossOrigin ); + + for ( let i = 0, il = json.length; i < il; i ++ ) { + + const image = json[ i ]; + const url = image.url; + + if ( Array.isArray( url ) ) { + + // load array of images e.g CubeTexture + + const imageArray = []; + + for ( let j = 0, jl = url.length; j < jl; j ++ ) { + + const currentUrl = url[ j ]; + + const deserializedImage = deserializeImage( currentUrl ); + + if ( deserializedImage !== null ) { + + if ( deserializedImage instanceof HTMLImageElement ) { + + imageArray.push( deserializedImage ); + + } else { + + // special case: handle array of data textures for cube textures + + imageArray.push( new DataTexture( deserializedImage.data, deserializedImage.width, deserializedImage.height ) ); + + } + + } + + } + + images[ image.uuid ] = new Source( imageArray ); + + } else { + + // load single image + + const deserializedImage = deserializeImage( image.url ); + images[ image.uuid ] = new Source( deserializedImage ); + + + } + + } + + } + + return images; + + } + + async parseImagesAsync( json ) { + + const scope = this; + const images = {}; + + let loader; + + async function deserializeImage( image ) { + + if ( typeof image === 'string' ) { + + const url = image; + + const path = /^(\/\/)|([a-z]+:(\/\/)?)/i.test( url ) ? url : scope.resourcePath + url; + + return await loader.loadAsync( path ); + + } else { + + if ( image.data ) { + + return { + data: getTypedArray( image.type, image.data ), + width: image.width, + height: image.height + }; + + } else { + + return null; + + } + + } + + } + + if ( json !== undefined && json.length > 0 ) { + + loader = new ImageLoader( this.manager ); + loader.setCrossOrigin( this.crossOrigin ); + + for ( let i = 0, il = json.length; i < il; i ++ ) { + + const image = json[ i ]; + const url = image.url; + + if ( Array.isArray( url ) ) { + + // load array of images e.g CubeTexture + + const imageArray = []; + + for ( let j = 0, jl = url.length; j < jl; j ++ ) { + + const currentUrl = url[ j ]; + + const deserializedImage = await deserializeImage( currentUrl ); + + if ( deserializedImage !== null ) { + + if ( deserializedImage instanceof HTMLImageElement ) { + + imageArray.push( deserializedImage ); + + } else { + + // special case: handle array of data textures for cube textures + + imageArray.push( new DataTexture( deserializedImage.data, deserializedImage.width, deserializedImage.height ) ); + + } + + } + + } + + images[ image.uuid ] = new Source( imageArray ); + + } else { + + // load single image + + const deserializedImage = await deserializeImage( image.url ); + images[ image.uuid ] = new Source( deserializedImage ); + + } + + } + + } + + return images; + + } + + parseTextures( json, images ) { + + function parseConstant( value, type ) { + + if ( typeof value === 'number' ) return value; + + console.warn( 'THREE.ObjectLoader.parseTexture: Constant should be in numeric form.', value ); + + return type[ value ]; + + } + + const textures = {}; + + if ( json !== undefined ) { + + for ( let i = 0, l = json.length; i < l; i ++ ) { + + const data = json[ i ]; + + if ( data.image === undefined ) { + + console.warn( 'THREE.ObjectLoader: No "image" specified for', data.uuid ); + + } + + if ( images[ data.image ] === undefined ) { + + console.warn( 'THREE.ObjectLoader: Undefined image', data.image ); + + } + + const source = images[ data.image ]; + const image = source.data; + + let texture; + + if ( Array.isArray( image ) ) { + + texture = new CubeTexture(); + + if ( image.length === 6 ) texture.needsUpdate = true; + + } else { + + if ( image && image.data ) { + + texture = new DataTexture(); + + } else { + + texture = new Texture(); + + } + + if ( image ) texture.needsUpdate = true; // textures can have undefined image data + + } + + texture.source = source; + + texture.uuid = data.uuid; + + if ( data.name !== undefined ) texture.name = data.name; + + if ( data.mapping !== undefined ) texture.mapping = parseConstant( data.mapping, TEXTURE_MAPPING ); + + if ( data.offset !== undefined ) texture.offset.fromArray( data.offset ); + if ( data.repeat !== undefined ) texture.repeat.fromArray( data.repeat ); + if ( data.center !== undefined ) texture.center.fromArray( data.center ); + if ( data.rotation !== undefined ) texture.rotation = data.rotation; + + if ( data.wrap !== undefined ) { + + texture.wrapS = parseConstant( data.wrap[ 0 ], TEXTURE_WRAPPING ); + texture.wrapT = parseConstant( data.wrap[ 1 ], TEXTURE_WRAPPING ); + + } + + if ( data.format !== undefined ) texture.format = data.format; + if ( data.type !== undefined ) texture.type = data.type; + if ( data.encoding !== undefined ) texture.encoding = data.encoding; + + if ( data.minFilter !== undefined ) texture.minFilter = parseConstant( data.minFilter, TEXTURE_FILTER ); + if ( data.magFilter !== undefined ) texture.magFilter = parseConstant( data.magFilter, TEXTURE_FILTER ); + if ( data.anisotropy !== undefined ) texture.anisotropy = data.anisotropy; + + if ( data.flipY !== undefined ) texture.flipY = data.flipY; + + if ( data.premultiplyAlpha !== undefined ) texture.premultiplyAlpha = data.premultiplyAlpha; + if ( data.unpackAlignment !== undefined ) texture.unpackAlignment = data.unpackAlignment; + + if ( data.userData !== undefined ) texture.userData = data.userData; + + textures[ data.uuid ] = texture; + + } + + } + + return textures; + + } + + parseObject( data, geometries, materials, textures, animations ) { + + let object; + + function getGeometry( name ) { + + if ( geometries[ name ] === undefined ) { + + console.warn( 'THREE.ObjectLoader: Undefined geometry', name ); + + } + + return geometries[ name ]; + + } + + function getMaterial( name ) { + + if ( name === undefined ) return undefined; + + if ( Array.isArray( name ) ) { + + const array = []; + + for ( let i = 0, l = name.length; i < l; i ++ ) { + + const uuid = name[ i ]; + + if ( materials[ uuid ] === undefined ) { + + console.warn( 'THREE.ObjectLoader: Undefined material', uuid ); + + } + + array.push( materials[ uuid ] ); + + } + + return array; + + } + + if ( materials[ name ] === undefined ) { + + console.warn( 'THREE.ObjectLoader: Undefined material', name ); + + } + + return materials[ name ]; + + } + + function getTexture( uuid ) { + + if ( textures[ uuid ] === undefined ) { + + console.warn( 'THREE.ObjectLoader: Undefined texture', uuid ); + + } + + return textures[ uuid ]; + + } + + let geometry, material; + + switch ( data.type ) { + + case 'Scene': + + object = new Scene(); + + if ( data.background !== undefined ) { + + if ( Number.isInteger( data.background ) ) { + + object.background = new Color( data.background ); + + } else { + + object.background = getTexture( data.background ); + + } + + } + + if ( data.environment !== undefined ) { + + object.environment = getTexture( data.environment ); + + } + + if ( data.fog !== undefined ) { + + if ( data.fog.type === 'Fog' ) { + + object.fog = new Fog( data.fog.color, data.fog.near, data.fog.far ); + + } else if ( data.fog.type === 'FogExp2' ) { + + object.fog = new FogExp2( data.fog.color, data.fog.density ); + + } + + } + + break; + + case 'PerspectiveCamera': + + object = new PerspectiveCamera( data.fov, data.aspect, data.near, data.far ); + + if ( data.focus !== undefined ) object.focus = data.focus; + if ( data.zoom !== undefined ) object.zoom = data.zoom; + if ( data.filmGauge !== undefined ) object.filmGauge = data.filmGauge; + if ( data.filmOffset !== undefined ) object.filmOffset = data.filmOffset; + if ( data.view !== undefined ) object.view = Object.assign( {}, data.view ); + + break; + + case 'OrthographicCamera': + + object = new OrthographicCamera( data.left, data.right, data.top, data.bottom, data.near, data.far ); + + if ( data.zoom !== undefined ) object.zoom = data.zoom; + if ( data.view !== undefined ) object.view = Object.assign( {}, data.view ); + + break; + + case 'AmbientLight': + + object = new AmbientLight( data.color, data.intensity ); + + break; + + case 'DirectionalLight': + + object = new DirectionalLight( data.color, data.intensity ); + + break; + + case 'PointLight': + + object = new PointLight( data.color, data.intensity, data.distance, data.decay ); + + break; + + case 'RectAreaLight': + + object = new RectAreaLight( data.color, data.intensity, data.width, data.height ); + + break; + + case 'SpotLight': + + object = new SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay ); + + break; + + case 'HemisphereLight': + + object = new HemisphereLight( data.color, data.groundColor, data.intensity ); + + break; + + case 'LightProbe': + + object = new LightProbe().fromJSON( data ); + + break; + + case 'SkinnedMesh': + + geometry = getGeometry( data.geometry ); + material = getMaterial( data.material ); + + object = new SkinnedMesh( geometry, material ); + + if ( data.bindMode !== undefined ) object.bindMode = data.bindMode; + if ( data.bindMatrix !== undefined ) object.bindMatrix.fromArray( data.bindMatrix ); + if ( data.skeleton !== undefined ) object.skeleton = data.skeleton; + + break; + + case 'Mesh': + + geometry = getGeometry( data.geometry ); + material = getMaterial( data.material ); + + object = new Mesh( geometry, material ); + + break; + + case 'InstancedMesh': + + geometry = getGeometry( data.geometry ); + material = getMaterial( data.material ); + const count = data.count; + const instanceMatrix = data.instanceMatrix; + const instanceColor = data.instanceColor; + + object = new InstancedMesh( geometry, material, count ); + object.instanceMatrix = new InstancedBufferAttribute( new Float32Array( instanceMatrix.array ), 16 ); + if ( instanceColor !== undefined ) object.instanceColor = new InstancedBufferAttribute( new Float32Array( instanceColor.array ), instanceColor.itemSize ); + + break; + + case 'LOD': + + object = new LOD(); + + break; + + case 'Line': + + object = new Line( getGeometry( data.geometry ), getMaterial( data.material ) ); + + break; + + case 'LineLoop': + + object = new LineLoop( getGeometry( data.geometry ), getMaterial( data.material ) ); + + break; + + case 'LineSegments': + + object = new LineSegments( getGeometry( data.geometry ), getMaterial( data.material ) ); + + break; + + case 'PointCloud': + case 'Points': + + object = new Points( getGeometry( data.geometry ), getMaterial( data.material ) ); + + break; + + case 'Sprite': + + object = new Sprite( getMaterial( data.material ) ); + + break; + + case 'Group': + + object = new Group(); + + break; + + case 'Bone': + + object = new Bone(); + + break; + + default: + + object = new Object3D(); + + } + + object.uuid = data.uuid; + + if ( data.name !== undefined ) object.name = data.name; + + if ( data.matrix !== undefined ) { + + object.matrix.fromArray( data.matrix ); + + if ( data.matrixAutoUpdate !== undefined ) object.matrixAutoUpdate = data.matrixAutoUpdate; + if ( object.matrixAutoUpdate ) object.matrix.decompose( object.position, object.quaternion, object.scale ); + + } else { + + if ( data.position !== undefined ) object.position.fromArray( data.position ); + if ( data.rotation !== undefined ) object.rotation.fromArray( data.rotation ); + if ( data.quaternion !== undefined ) object.quaternion.fromArray( data.quaternion ); + if ( data.scale !== undefined ) object.scale.fromArray( data.scale ); + + } + + if ( data.castShadow !== undefined ) object.castShadow = data.castShadow; + if ( data.receiveShadow !== undefined ) object.receiveShadow = data.receiveShadow; + + if ( data.shadow ) { + + if ( data.shadow.bias !== undefined ) object.shadow.bias = data.shadow.bias; + if ( data.shadow.normalBias !== undefined ) object.shadow.normalBias = data.shadow.normalBias; + if ( data.shadow.radius !== undefined ) object.shadow.radius = data.shadow.radius; + if ( data.shadow.mapSize !== undefined ) object.shadow.mapSize.fromArray( data.shadow.mapSize ); + if ( data.shadow.camera !== undefined ) object.shadow.camera = this.parseObject( data.shadow.camera ); + + } + + if ( data.visible !== undefined ) object.visible = data.visible; + if ( data.frustumCulled !== undefined ) object.frustumCulled = data.frustumCulled; + if ( data.renderOrder !== undefined ) object.renderOrder = data.renderOrder; + if ( data.userData !== undefined ) object.userData = data.userData; + if ( data.layers !== undefined ) object.layers.mask = data.layers; + + if ( data.children !== undefined ) { + + const children = data.children; + + for ( let i = 0; i < children.length; i ++ ) { + + object.add( this.parseObject( children[ i ], geometries, materials, textures, animations ) ); + + } + + } + + if ( data.animations !== undefined ) { + + const objectAnimations = data.animations; + + for ( let i = 0; i < objectAnimations.length; i ++ ) { + + const uuid = objectAnimations[ i ]; + + object.animations.push( animations[ uuid ] ); + + } + + } + + if ( data.type === 'LOD' ) { + + if ( data.autoUpdate !== undefined ) object.autoUpdate = data.autoUpdate; + + const levels = data.levels; + + for ( let l = 0; l < levels.length; l ++ ) { + + const level = levels[ l ]; + const child = object.getObjectByProperty( 'uuid', level.object ); + + if ( child !== undefined ) { + + object.addLevel( child, level.distance ); + + } + + } + + } + + return object; + + } + + bindSkeletons( object, skeletons ) { + + if ( Object.keys( skeletons ).length === 0 ) return; + + object.traverse( function ( child ) { + + if ( child.isSkinnedMesh === true && child.skeleton !== undefined ) { + + const skeleton = skeletons[ child.skeleton ]; + + if ( skeleton === undefined ) { + + console.warn( 'THREE.ObjectLoader: No skeleton found with UUID:', child.skeleton ); + + } else { + + child.bind( skeleton, child.bindMatrix ); + + } + + } + + } ); + + } + + /* DEPRECATED */ + + setTexturePath( value ) { + + console.warn( 'THREE.ObjectLoader: .setTexturePath() has been renamed to .setResourcePath().' ); + return this.setResourcePath( value ); + + } + +} + +const TEXTURE_MAPPING = { + UVMapping: UVMapping, + CubeReflectionMapping: CubeReflectionMapping, + CubeRefractionMapping: CubeRefractionMapping, + EquirectangularReflectionMapping: EquirectangularReflectionMapping, + EquirectangularRefractionMapping: EquirectangularRefractionMapping, + CubeUVReflectionMapping: CubeUVReflectionMapping +}; + +const TEXTURE_WRAPPING = { + RepeatWrapping: RepeatWrapping, + ClampToEdgeWrapping: ClampToEdgeWrapping, + MirroredRepeatWrapping: MirroredRepeatWrapping +}; + +const TEXTURE_FILTER = { + NearestFilter: NearestFilter, + NearestMipmapNearestFilter: NearestMipmapNearestFilter, + NearestMipmapLinearFilter: NearestMipmapLinearFilter, + LinearFilter: LinearFilter, + LinearMipmapNearestFilter: LinearMipmapNearestFilter, + LinearMipmapLinearFilter: LinearMipmapLinearFilter +}; + +class ImageBitmapLoader extends Loader { + + constructor( manager ) { + + super( manager ); + + this.isImageBitmapLoader = true; + + if ( typeof createImageBitmap === 'undefined' ) { + + console.warn( 'THREE.ImageBitmapLoader: createImageBitmap() not supported.' ); + + } + + if ( typeof fetch === 'undefined' ) { + + console.warn( 'THREE.ImageBitmapLoader: fetch() not supported.' ); + + } + + this.options = { premultiplyAlpha: 'none' }; + + } + + setOptions( options ) { + + this.options = options; + + return this; + + } + + load( url, onLoad, onProgress, onError ) { + + if ( url === undefined ) url = ''; + + if ( this.path !== undefined ) url = this.path + url; + + url = this.manager.resolveURL( url ); + + const scope = this; + + const cached = Cache.get( url ); + + if ( cached !== undefined ) { + + scope.manager.itemStart( url ); + + setTimeout( function () { + + if ( onLoad ) onLoad( cached ); + + scope.manager.itemEnd( url ); + + }, 0 ); + + return cached; + + } + + const fetchOptions = {}; + fetchOptions.credentials = ( this.crossOrigin === 'anonymous' ) ? 'same-origin' : 'include'; + fetchOptions.headers = this.requestHeader; + + fetch( url, fetchOptions ).then( function ( res ) { + + return res.blob(); + + } ).then( function ( blob ) { + + return createImageBitmap( blob, Object.assign( scope.options, { colorSpaceConversion: 'none' } ) ); + + } ).then( function ( imageBitmap ) { + + Cache.add( url, imageBitmap ); + + if ( onLoad ) onLoad( imageBitmap ); + + scope.manager.itemEnd( url ); + + } ).catch( function ( e ) { + + if ( onError ) onError( e ); + + scope.manager.itemError( url ); + scope.manager.itemEnd( url ); + + } ); + + scope.manager.itemStart( url ); + + } + +} + +let _context; + +const AudioContext = { + + getContext: function () { + + if ( _context === undefined ) { + + _context = new ( window.AudioContext || window.webkitAudioContext )(); + + } + + return _context; + + }, + + setContext: function ( value ) { + + _context = value; + + } + +}; + +class AudioLoader extends Loader { + + constructor( manager ) { + + super( manager ); + + } + + load( url, onLoad, onProgress, onError ) { + + const scope = this; + + const loader = new FileLoader( this.manager ); + loader.setResponseType( 'arraybuffer' ); + loader.setPath( this.path ); + loader.setRequestHeader( this.requestHeader ); + loader.setWithCredentials( this.withCredentials ); + loader.load( url, function ( buffer ) { + + try { + + // Create a copy of the buffer. The `decodeAudioData` method + // detaches the buffer when complete, preventing reuse. + const bufferCopy = buffer.slice( 0 ); + + const context = AudioContext.getContext(); + context.decodeAudioData( bufferCopy, function ( audioBuffer ) { + + onLoad( audioBuffer ); + + } ); + + } catch ( e ) { + + if ( onError ) { + + onError( e ); + + } else { + + console.error( e ); + + } + + scope.manager.itemError( url ); + + } + + }, onProgress, onError ); + + } + +} + +class HemisphereLightProbe extends LightProbe { + + constructor( skyColor, groundColor, intensity = 1 ) { + + super( undefined, intensity ); + + this.isHemisphereLightProbe = true; + + const color1 = new Color().set( skyColor ); + const color2 = new Color().set( groundColor ); + + const sky = new Vector3( color1.r, color1.g, color1.b ); + const ground = new Vector3( color2.r, color2.g, color2.b ); + + // without extra factor of PI in the shader, should = 1 / Math.sqrt( Math.PI ); + const c0 = Math.sqrt( Math.PI ); + const c1 = c0 * Math.sqrt( 0.75 ); + + this.sh.coefficients[ 0 ].copy( sky ).add( ground ).multiplyScalar( c0 ); + this.sh.coefficients[ 1 ].copy( sky ).sub( ground ).multiplyScalar( c1 ); + + } + +} + +class AmbientLightProbe extends LightProbe { + + constructor( color, intensity = 1 ) { + + super( undefined, intensity ); + + this.isAmbientLightProbe = true; + + const color1 = new Color().set( color ); + + // without extra factor of PI in the shader, would be 2 / Math.sqrt( Math.PI ); + this.sh.coefficients[ 0 ].set( color1.r, color1.g, color1.b ).multiplyScalar( 2 * Math.sqrt( Math.PI ) ); + + } + +} + +const _eyeRight = /*@__PURE__*/ new Matrix4(); +const _eyeLeft = /*@__PURE__*/ new Matrix4(); +const _projectionMatrix = /*@__PURE__*/ new Matrix4(); + +class StereoCamera { + + constructor() { + + this.type = 'StereoCamera'; + + this.aspect = 1; + + this.eyeSep = 0.064; + + this.cameraL = new PerspectiveCamera(); + this.cameraL.layers.enable( 1 ); + this.cameraL.matrixAutoUpdate = false; + + this.cameraR = new PerspectiveCamera(); + this.cameraR.layers.enable( 2 ); + this.cameraR.matrixAutoUpdate = false; + + this._cache = { + focus: null, + fov: null, + aspect: null, + near: null, + far: null, + zoom: null, + eyeSep: null + }; + + } + + update( camera ) { + + const cache = this._cache; + + const needsUpdate = cache.focus !== camera.focus || cache.fov !== camera.fov || + cache.aspect !== camera.aspect * this.aspect || cache.near !== camera.near || + cache.far !== camera.far || cache.zoom !== camera.zoom || cache.eyeSep !== this.eyeSep; + + if ( needsUpdate ) { + + cache.focus = camera.focus; + cache.fov = camera.fov; + cache.aspect = camera.aspect * this.aspect; + cache.near = camera.near; + cache.far = camera.far; + cache.zoom = camera.zoom; + cache.eyeSep = this.eyeSep; + + // Off-axis stereoscopic effect based on + // http://paulbourke.net/stereographics/stereorender/ + + _projectionMatrix.copy( camera.projectionMatrix ); + const eyeSepHalf = cache.eyeSep / 2; + const eyeSepOnProjection = eyeSepHalf * cache.near / cache.focus; + const ymax = ( cache.near * Math.tan( DEG2RAD * cache.fov * 0.5 ) ) / cache.zoom; + let xmin, xmax; + + // translate xOffset + + _eyeLeft.elements[ 12 ] = - eyeSepHalf; + _eyeRight.elements[ 12 ] = eyeSepHalf; + + // for left eye + + xmin = - ymax * cache.aspect + eyeSepOnProjection; + xmax = ymax * cache.aspect + eyeSepOnProjection; + + _projectionMatrix.elements[ 0 ] = 2 * cache.near / ( xmax - xmin ); + _projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin ); + + this.cameraL.projectionMatrix.copy( _projectionMatrix ); + + // for right eye + + xmin = - ymax * cache.aspect - eyeSepOnProjection; + xmax = ymax * cache.aspect - eyeSepOnProjection; + + _projectionMatrix.elements[ 0 ] = 2 * cache.near / ( xmax - xmin ); + _projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin ); + + this.cameraR.projectionMatrix.copy( _projectionMatrix ); + + } + + this.cameraL.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeLeft ); + this.cameraR.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeRight ); + + } + +} + +class Clock { + + constructor( autoStart = true ) { + + this.autoStart = autoStart; + + this.startTime = 0; + this.oldTime = 0; + this.elapsedTime = 0; + + this.running = false; + + } + + start() { + + this.startTime = now(); + + this.oldTime = this.startTime; + this.elapsedTime = 0; + this.running = true; + + } + + stop() { + + this.getElapsedTime(); + this.running = false; + this.autoStart = false; + + } + + getElapsedTime() { + + this.getDelta(); + return this.elapsedTime; + + } + + getDelta() { + + let diff = 0; + + if ( this.autoStart && ! this.running ) { + + this.start(); + return 0; + + } + + if ( this.running ) { + + const newTime = now(); + + diff = ( newTime - this.oldTime ) / 1000; + this.oldTime = newTime; + + this.elapsedTime += diff; + + } + + return diff; + + } + +} + +function now() { + + return ( typeof performance === 'undefined' ? Date : performance ).now(); // see #10732 + +} + +const _position$1 = /*@__PURE__*/ new Vector3(); +const _quaternion$1 = /*@__PURE__*/ new Quaternion(); +const _scale$1 = /*@__PURE__*/ new Vector3(); +const _orientation$1 = /*@__PURE__*/ new Vector3(); + +class AudioListener extends Object3D { + + constructor() { + + super(); + + this.type = 'AudioListener'; + + this.context = AudioContext.getContext(); + + this.gain = this.context.createGain(); + this.gain.connect( this.context.destination ); + + this.filter = null; + + this.timeDelta = 0; + + // private + + this._clock = new Clock(); + + } + + getInput() { + + return this.gain; + + } + + removeFilter() { + + if ( this.filter !== null ) { + + this.gain.disconnect( this.filter ); + this.filter.disconnect( this.context.destination ); + this.gain.connect( this.context.destination ); + this.filter = null; + + } + + return this; + + } + + getFilter() { + + return this.filter; + + } + + setFilter( value ) { + + if ( this.filter !== null ) { + + this.gain.disconnect( this.filter ); + this.filter.disconnect( this.context.destination ); + + } else { + + this.gain.disconnect( this.context.destination ); + + } + + this.filter = value; + this.gain.connect( this.filter ); + this.filter.connect( this.context.destination ); + + return this; + + } + + getMasterVolume() { + + return this.gain.gain.value; + + } + + setMasterVolume( value ) { + + this.gain.gain.setTargetAtTime( value, this.context.currentTime, 0.01 ); + + return this; + + } + + updateMatrixWorld( force ) { + + super.updateMatrixWorld( force ); + + const listener = this.context.listener; + const up = this.up; + + this.timeDelta = this._clock.getDelta(); + + this.matrixWorld.decompose( _position$1, _quaternion$1, _scale$1 ); + + _orientation$1.set( 0, 0, - 1 ).applyQuaternion( _quaternion$1 ); + + if ( listener.positionX ) { + + // code path for Chrome (see #14393) + + const endTime = this.context.currentTime + this.timeDelta; + + listener.positionX.linearRampToValueAtTime( _position$1.x, endTime ); + listener.positionY.linearRampToValueAtTime( _position$1.y, endTime ); + listener.positionZ.linearRampToValueAtTime( _position$1.z, endTime ); + listener.forwardX.linearRampToValueAtTime( _orientation$1.x, endTime ); + listener.forwardY.linearRampToValueAtTime( _orientation$1.y, endTime ); + listener.forwardZ.linearRampToValueAtTime( _orientation$1.z, endTime ); + listener.upX.linearRampToValueAtTime( up.x, endTime ); + listener.upY.linearRampToValueAtTime( up.y, endTime ); + listener.upZ.linearRampToValueAtTime( up.z, endTime ); + + } else { + + listener.setPosition( _position$1.x, _position$1.y, _position$1.z ); + listener.setOrientation( _orientation$1.x, _orientation$1.y, _orientation$1.z, up.x, up.y, up.z ); + + } + + } + +} + +class Audio extends Object3D { + + constructor( listener ) { + + super(); + + this.type = 'Audio'; + + this.listener = listener; + this.context = listener.context; + + this.gain = this.context.createGain(); + this.gain.connect( listener.getInput() ); + + this.autoplay = false; + + this.buffer = null; + this.detune = 0; + this.loop = false; + this.loopStart = 0; + this.loopEnd = 0; + this.offset = 0; + this.duration = undefined; + this.playbackRate = 1; + this.isPlaying = false; + this.hasPlaybackControl = true; + this.source = null; + this.sourceType = 'empty'; + + this._startedAt = 0; + this._progress = 0; + this._connected = false; + + this.filters = []; + + } + + getOutput() { + + return this.gain; + + } + + setNodeSource( audioNode ) { + + this.hasPlaybackControl = false; + this.sourceType = 'audioNode'; + this.source = audioNode; + this.connect(); + + return this; + + } + + setMediaElementSource( mediaElement ) { + + this.hasPlaybackControl = false; + this.sourceType = 'mediaNode'; + this.source = this.context.createMediaElementSource( mediaElement ); + this.connect(); + + return this; + + } + + setMediaStreamSource( mediaStream ) { + + this.hasPlaybackControl = false; + this.sourceType = 'mediaStreamNode'; + this.source = this.context.createMediaStreamSource( mediaStream ); + this.connect(); + + return this; + + } + + setBuffer( audioBuffer ) { + + this.buffer = audioBuffer; + this.sourceType = 'buffer'; + + if ( this.autoplay ) this.play(); + + return this; + + } + + play( delay = 0 ) { + + if ( this.isPlaying === true ) { + + console.warn( 'THREE.Audio: Audio is already playing.' ); + return; + + } + + if ( this.hasPlaybackControl === false ) { + + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; + + } + + this._startedAt = this.context.currentTime + delay; + + const source = this.context.createBufferSource(); + source.buffer = this.buffer; + source.loop = this.loop; + source.loopStart = this.loopStart; + source.loopEnd = this.loopEnd; + source.onended = this.onEnded.bind( this ); + source.start( this._startedAt, this._progress + this.offset, this.duration ); + + this.isPlaying = true; + + this.source = source; + + this.setDetune( this.detune ); + this.setPlaybackRate( this.playbackRate ); + + return this.connect(); + + } + + pause() { + + if ( this.hasPlaybackControl === false ) { + + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; + + } + + if ( this.isPlaying === true ) { + + // update current progress + + this._progress += Math.max( this.context.currentTime - this._startedAt, 0 ) * this.playbackRate; + + if ( this.loop === true ) { + + // ensure _progress does not exceed duration with looped audios + + this._progress = this._progress % ( this.duration || this.buffer.duration ); + + } + + this.source.stop(); + this.source.onended = null; + + this.isPlaying = false; + + } + + return this; + + } + + stop() { + + if ( this.hasPlaybackControl === false ) { + + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; + + } + + this._progress = 0; + + this.source.stop(); + this.source.onended = null; + this.isPlaying = false; + + return this; + + } + + connect() { + + if ( this.filters.length > 0 ) { + + this.source.connect( this.filters[ 0 ] ); + + for ( let i = 1, l = this.filters.length; i < l; i ++ ) { + + this.filters[ i - 1 ].connect( this.filters[ i ] ); + + } + + this.filters[ this.filters.length - 1 ].connect( this.getOutput() ); + + } else { + + this.source.connect( this.getOutput() ); + + } + + this._connected = true; + + return this; + + } + + disconnect() { + + if ( this.filters.length > 0 ) { + + this.source.disconnect( this.filters[ 0 ] ); + + for ( let i = 1, l = this.filters.length; i < l; i ++ ) { + + this.filters[ i - 1 ].disconnect( this.filters[ i ] ); + + } + + this.filters[ this.filters.length - 1 ].disconnect( this.getOutput() ); + + } else { + + this.source.disconnect( this.getOutput() ); + + } + + this._connected = false; + + return this; + + } + + getFilters() { + + return this.filters; + + } + + setFilters( value ) { + + if ( ! value ) value = []; + + if ( this._connected === true ) { + + this.disconnect(); + this.filters = value.slice(); + this.connect(); + + } else { + + this.filters = value.slice(); + + } + + return this; + + } + + setDetune( value ) { + + this.detune = value; + + if ( this.source.detune === undefined ) return; // only set detune when available + + if ( this.isPlaying === true ) { + + this.source.detune.setTargetAtTime( this.detune, this.context.currentTime, 0.01 ); + + } + + return this; + + } + + getDetune() { + + return this.detune; + + } + + getFilter() { + + return this.getFilters()[ 0 ]; + + } + + setFilter( filter ) { + + return this.setFilters( filter ? [ filter ] : [] ); + + } + + setPlaybackRate( value ) { + + if ( this.hasPlaybackControl === false ) { + + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; + + } + + this.playbackRate = value; + + if ( this.isPlaying === true ) { + + this.source.playbackRate.setTargetAtTime( this.playbackRate, this.context.currentTime, 0.01 ); + + } + + return this; + + } + + getPlaybackRate() { + + return this.playbackRate; + + } + + onEnded() { + + this.isPlaying = false; + + } + + getLoop() { + + if ( this.hasPlaybackControl === false ) { + + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return false; + + } + + return this.loop; + + } + + setLoop( value ) { + + if ( this.hasPlaybackControl === false ) { + + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; + + } + + this.loop = value; + + if ( this.isPlaying === true ) { + + this.source.loop = this.loop; + + } + + return this; + + } + + setLoopStart( value ) { + + this.loopStart = value; + + return this; + + } + + setLoopEnd( value ) { + + this.loopEnd = value; + + return this; + + } + + getVolume() { + + return this.gain.gain.value; + + } + + setVolume( value ) { + + this.gain.gain.setTargetAtTime( value, this.context.currentTime, 0.01 ); + + return this; + + } + +} + +const _position = /*@__PURE__*/ new Vector3(); +const _quaternion = /*@__PURE__*/ new Quaternion(); +const _scale = /*@__PURE__*/ new Vector3(); +const _orientation = /*@__PURE__*/ new Vector3(); + +class PositionalAudio extends Audio { + + constructor( listener ) { + + super( listener ); + + this.panner = this.context.createPanner(); + this.panner.panningModel = 'HRTF'; + this.panner.connect( this.gain ); + + } + + disconnect() { + + super.disconnect(); + + this.panner.disconnect( this.gain ); + + } + + getOutput() { + + return this.panner; + + } + + getRefDistance() { + + return this.panner.refDistance; + + } + + setRefDistance( value ) { + + this.panner.refDistance = value; + + return this; + + } + + getRolloffFactor() { + + return this.panner.rolloffFactor; + + } + + setRolloffFactor( value ) { + + this.panner.rolloffFactor = value; + + return this; + + } + + getDistanceModel() { + + return this.panner.distanceModel; + + } + + setDistanceModel( value ) { + + this.panner.distanceModel = value; + + return this; + + } + + getMaxDistance() { + + return this.panner.maxDistance; + + } + + setMaxDistance( value ) { + + this.panner.maxDistance = value; + + return this; + + } + + setDirectionalCone( coneInnerAngle, coneOuterAngle, coneOuterGain ) { + + this.panner.coneInnerAngle = coneInnerAngle; + this.panner.coneOuterAngle = coneOuterAngle; + this.panner.coneOuterGain = coneOuterGain; + + return this; + + } + + updateMatrixWorld( force ) { + + super.updateMatrixWorld( force ); + + if ( this.hasPlaybackControl === true && this.isPlaying === false ) return; + + this.matrixWorld.decompose( _position, _quaternion, _scale ); + + _orientation.set( 0, 0, 1 ).applyQuaternion( _quaternion ); + + const panner = this.panner; + + if ( panner.positionX ) { + + // code path for Chrome and Firefox (see #14393) + + const endTime = this.context.currentTime + this.listener.timeDelta; + + panner.positionX.linearRampToValueAtTime( _position.x, endTime ); + panner.positionY.linearRampToValueAtTime( _position.y, endTime ); + panner.positionZ.linearRampToValueAtTime( _position.z, endTime ); + panner.orientationX.linearRampToValueAtTime( _orientation.x, endTime ); + panner.orientationY.linearRampToValueAtTime( _orientation.y, endTime ); + panner.orientationZ.linearRampToValueAtTime( _orientation.z, endTime ); + + } else { + + panner.setPosition( _position.x, _position.y, _position.z ); + panner.setOrientation( _orientation.x, _orientation.y, _orientation.z ); + + } + + } + +} + +class AudioAnalyser { + + constructor( audio, fftSize = 2048 ) { + + this.analyser = audio.context.createAnalyser(); + this.analyser.fftSize = fftSize; + + this.data = new Uint8Array( this.analyser.frequencyBinCount ); + + audio.getOutput().connect( this.analyser ); + + } + + + getFrequencyData() { + + this.analyser.getByteFrequencyData( this.data ); + + return this.data; + + } + + getAverageFrequency() { + + let value = 0; + const data = this.getFrequencyData(); + + for ( let i = 0; i < data.length; i ++ ) { + + value += data[ i ]; + + } + + return value / data.length; + + } + +} + +class PropertyMixer { + + constructor( binding, typeName, valueSize ) { + + this.binding = binding; + this.valueSize = valueSize; + + let mixFunction, + mixFunctionAdditive, + setIdentity; + + // buffer layout: [ incoming | accu0 | accu1 | orig | addAccu | (optional work) ] + // + // interpolators can use .buffer as their .result + // the data then goes to 'incoming' + // + // 'accu0' and 'accu1' are used frame-interleaved for + // the cumulative result and are compared to detect + // changes + // + // 'orig' stores the original state of the property + // + // 'add' is used for additive cumulative results + // + // 'work' is optional and is only present for quaternion types. It is used + // to store intermediate quaternion multiplication results + + switch ( typeName ) { + + case 'quaternion': + mixFunction = this._slerp; + mixFunctionAdditive = this._slerpAdditive; + setIdentity = this._setAdditiveIdentityQuaternion; + + this.buffer = new Float64Array( valueSize * 6 ); + this._workIndex = 5; + break; + + case 'string': + case 'bool': + mixFunction = this._select; + + // Use the regular mix function and for additive on these types, + // additive is not relevant for non-numeric types + mixFunctionAdditive = this._select; + + setIdentity = this._setAdditiveIdentityOther; + + this.buffer = new Array( valueSize * 5 ); + break; + + default: + mixFunction = this._lerp; + mixFunctionAdditive = this._lerpAdditive; + setIdentity = this._setAdditiveIdentityNumeric; + + this.buffer = new Float64Array( valueSize * 5 ); + + } + + this._mixBufferRegion = mixFunction; + this._mixBufferRegionAdditive = mixFunctionAdditive; + this._setIdentity = setIdentity; + this._origIndex = 3; + this._addIndex = 4; + + this.cumulativeWeight = 0; + this.cumulativeWeightAdditive = 0; + + this.useCount = 0; + this.referenceCount = 0; + + } + + // accumulate data in the 'incoming' region into 'accu' + accumulate( accuIndex, weight ) { + + // note: happily accumulating nothing when weight = 0, the caller knows + // the weight and shouldn't have made the call in the first place + + const buffer = this.buffer, + stride = this.valueSize, + offset = accuIndex * stride + stride; + + let currentWeight = this.cumulativeWeight; + + if ( currentWeight === 0 ) { + + // accuN := incoming * weight + + for ( let i = 0; i !== stride; ++ i ) { + + buffer[ offset + i ] = buffer[ i ]; + + } + + currentWeight = weight; + + } else { + + // accuN := accuN + incoming * weight + + currentWeight += weight; + const mix = weight / currentWeight; + this._mixBufferRegion( buffer, offset, 0, mix, stride ); + + } + + this.cumulativeWeight = currentWeight; + + } + + // accumulate data in the 'incoming' region into 'add' + accumulateAdditive( weight ) { + + const buffer = this.buffer, + stride = this.valueSize, + offset = stride * this._addIndex; + + if ( this.cumulativeWeightAdditive === 0 ) { + + // add = identity + + this._setIdentity(); + + } + + // add := add + incoming * weight + + this._mixBufferRegionAdditive( buffer, offset, 0, weight, stride ); + this.cumulativeWeightAdditive += weight; + + } + + // apply the state of 'accu' to the binding when accus differ + apply( accuIndex ) { + + const stride = this.valueSize, + buffer = this.buffer, + offset = accuIndex * stride + stride, + + weight = this.cumulativeWeight, + weightAdditive = this.cumulativeWeightAdditive, + + binding = this.binding; + + this.cumulativeWeight = 0; + this.cumulativeWeightAdditive = 0; + + if ( weight < 1 ) { + + // accuN := accuN + original * ( 1 - cumulativeWeight ) + + const originalValueOffset = stride * this._origIndex; + + this._mixBufferRegion( + buffer, offset, originalValueOffset, 1 - weight, stride ); + + } + + if ( weightAdditive > 0 ) { + + // accuN := accuN + additive accuN + + this._mixBufferRegionAdditive( buffer, offset, this._addIndex * stride, 1, stride ); + + } + + for ( let i = stride, e = stride + stride; i !== e; ++ i ) { + + if ( buffer[ i ] !== buffer[ i + stride ] ) { + + // value has changed -> update scene graph + + binding.setValue( buffer, offset ); + break; + + } + + } + + } + + // remember the state of the bound property and copy it to both accus + saveOriginalState() { + + const binding = this.binding; + + const buffer = this.buffer, + stride = this.valueSize, + + originalValueOffset = stride * this._origIndex; + + binding.getValue( buffer, originalValueOffset ); + + // accu[0..1] := orig -- initially detect changes against the original + for ( let i = stride, e = originalValueOffset; i !== e; ++ i ) { + + buffer[ i ] = buffer[ originalValueOffset + ( i % stride ) ]; + + } + + // Add to identity for additive + this._setIdentity(); + + this.cumulativeWeight = 0; + this.cumulativeWeightAdditive = 0; + + } + + // apply the state previously taken via 'saveOriginalState' to the binding + restoreOriginalState() { + + const originalValueOffset = this.valueSize * 3; + this.binding.setValue( this.buffer, originalValueOffset ); + + } + + _setAdditiveIdentityNumeric() { + + const startIndex = this._addIndex * this.valueSize; + const endIndex = startIndex + this.valueSize; + + for ( let i = startIndex; i < endIndex; i ++ ) { + + this.buffer[ i ] = 0; + + } + + } + + _setAdditiveIdentityQuaternion() { + + this._setAdditiveIdentityNumeric(); + this.buffer[ this._addIndex * this.valueSize + 3 ] = 1; + + } + + _setAdditiveIdentityOther() { + + const startIndex = this._origIndex * this.valueSize; + const targetIndex = this._addIndex * this.valueSize; + + for ( let i = 0; i < this.valueSize; i ++ ) { + + this.buffer[ targetIndex + i ] = this.buffer[ startIndex + i ]; + + } + + } + + + // mix functions + + _select( buffer, dstOffset, srcOffset, t, stride ) { + + if ( t >= 0.5 ) { + + for ( let i = 0; i !== stride; ++ i ) { + + buffer[ dstOffset + i ] = buffer[ srcOffset + i ]; + + } + + } + + } + + _slerp( buffer, dstOffset, srcOffset, t ) { + + Quaternion.slerpFlat( buffer, dstOffset, buffer, dstOffset, buffer, srcOffset, t ); + + } + + _slerpAdditive( buffer, dstOffset, srcOffset, t, stride ) { + + const workOffset = this._workIndex * stride; + + // Store result in intermediate buffer offset + Quaternion.multiplyQuaternionsFlat( buffer, workOffset, buffer, dstOffset, buffer, srcOffset ); + + // Slerp to the intermediate result + Quaternion.slerpFlat( buffer, dstOffset, buffer, dstOffset, buffer, workOffset, t ); + + } + + _lerp( buffer, dstOffset, srcOffset, t, stride ) { + + const s = 1 - t; + + for ( let i = 0; i !== stride; ++ i ) { + + const j = dstOffset + i; + + buffer[ j ] = buffer[ j ] * s + buffer[ srcOffset + i ] * t; + + } + + } + + _lerpAdditive( buffer, dstOffset, srcOffset, t, stride ) { + + for ( let i = 0; i !== stride; ++ i ) { + + const j = dstOffset + i; + + buffer[ j ] = buffer[ j ] + buffer[ srcOffset + i ] * t; + + } + + } + +} + +// Characters [].:/ are reserved for track binding syntax. +const _RESERVED_CHARS_RE = '\\[\\]\\.:\\/'; +const _reservedRe = new RegExp( '[' + _RESERVED_CHARS_RE + ']', 'g' ); + +// Attempts to allow node names from any language. ES5's `\w` regexp matches +// only latin characters, and the unicode \p{L} is not yet supported. So +// instead, we exclude reserved characters and match everything else. +const _wordChar = '[^' + _RESERVED_CHARS_RE + ']'; +const _wordCharOrDot = '[^' + _RESERVED_CHARS_RE.replace( '\\.', '' ) + ']'; + +// Parent directories, delimited by '/' or ':'. Currently unused, but must +// be matched to parse the rest of the track name. +const _directoryRe = /*@__PURE__*/ /((?:WC+[\/:])*)/.source.replace( 'WC', _wordChar ); + +// Target node. May contain word characters (a-zA-Z0-9_) and '.' or '-'. +const _nodeRe = /*@__PURE__*/ /(WCOD+)?/.source.replace( 'WCOD', _wordCharOrDot ); + +// Object on target node, and accessor. May not contain reserved +// characters. Accessor may contain any character except closing bracket. +const _objectRe = /*@__PURE__*/ /(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace( 'WC', _wordChar ); + +// Property and accessor. May not contain reserved characters. Accessor may +// contain any non-bracket characters. +const _propertyRe = /*@__PURE__*/ /\.(WC+)(?:\[(.+)\])?/.source.replace( 'WC', _wordChar ); + +const _trackRe = new RegExp( '' + + '^' + + _directoryRe + + _nodeRe + + _objectRe + + _propertyRe + + '$' +); + +const _supportedObjectNames = [ 'material', 'materials', 'bones' ]; + +class Composite { + + constructor( targetGroup, path, optionalParsedPath ) { + + const parsedPath = optionalParsedPath || PropertyBinding.parseTrackName( path ); + + this._targetGroup = targetGroup; + this._bindings = targetGroup.subscribe_( path, parsedPath ); + + } + + getValue( array, offset ) { + + this.bind(); // bind all binding + + const firstValidIndex = this._targetGroup.nCachedObjects_, + binding = this._bindings[ firstValidIndex ]; + + // and only call .getValue on the first + if ( binding !== undefined ) binding.getValue( array, offset ); + + } + + setValue( array, offset ) { + + const bindings = this._bindings; + + for ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) { + + bindings[ i ].setValue( array, offset ); + + } + + } + + bind() { + + const bindings = this._bindings; + + for ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) { + + bindings[ i ].bind(); + + } + + } + + unbind() { + + const bindings = this._bindings; + + for ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) { + + bindings[ i ].unbind(); + + } + + } + +} + +// Note: This class uses a State pattern on a per-method basis: +// 'bind' sets 'this.getValue' / 'setValue' and shadows the +// prototype version of these methods with one that represents +// the bound state. When the property is not found, the methods +// become no-ops. +class PropertyBinding { + + constructor( rootNode, path, parsedPath ) { + + this.path = path; + this.parsedPath = parsedPath || PropertyBinding.parseTrackName( path ); + + this.node = PropertyBinding.findNode( rootNode, this.parsedPath.nodeName ) || rootNode; + + this.rootNode = rootNode; + + // initial state of these methods that calls 'bind' + this.getValue = this._getValue_unbound; + this.setValue = this._setValue_unbound; + + } + + + static create( root, path, parsedPath ) { + + if ( ! ( root && root.isAnimationObjectGroup ) ) { + + return new PropertyBinding( root, path, parsedPath ); + + } else { + + return new PropertyBinding.Composite( root, path, parsedPath ); + + } + + } + + /** + * Replaces spaces with underscores and removes unsupported characters from + * node names, to ensure compatibility with parseTrackName(). + * + * @param {string} name Node name to be sanitized. + * @return {string} + */ + static sanitizeNodeName( name ) { + + return name.replace( /\s/g, '_' ).replace( _reservedRe, '' ); + + } + + static parseTrackName( trackName ) { + + const matches = _trackRe.exec( trackName ); + + if ( matches === null ) { + + throw new Error( 'PropertyBinding: Cannot parse trackName: ' + trackName ); + + } + + const results = { + // directoryName: matches[ 1 ], // (tschw) currently unused + nodeName: matches[ 2 ], + objectName: matches[ 3 ], + objectIndex: matches[ 4 ], + propertyName: matches[ 5 ], // required + propertyIndex: matches[ 6 ] + }; + + const lastDot = results.nodeName && results.nodeName.lastIndexOf( '.' ); + + if ( lastDot !== undefined && lastDot !== - 1 ) { + + const objectName = results.nodeName.substring( lastDot + 1 ); + + // Object names must be checked against an allowlist. Otherwise, there + // is no way to parse 'foo.bar.baz': 'baz' must be a property, but + // 'bar' could be the objectName, or part of a nodeName (which can + // include '.' characters). + if ( _supportedObjectNames.indexOf( objectName ) !== - 1 ) { + + results.nodeName = results.nodeName.substring( 0, lastDot ); + results.objectName = objectName; + + } + + } + + if ( results.propertyName === null || results.propertyName.length === 0 ) { + + throw new Error( 'PropertyBinding: can not parse propertyName from trackName: ' + trackName ); + + } + + return results; + + } + + static findNode( root, nodeName ) { + + if ( nodeName === undefined || nodeName === '' || nodeName === '.' || nodeName === - 1 || nodeName === root.name || nodeName === root.uuid ) { + + return root; + + } + + // search into skeleton bones. + if ( root.skeleton ) { + + const bone = root.skeleton.getBoneByName( nodeName ); + + if ( bone !== undefined ) { + + return bone; + + } + + } + + // search into node subtree. + if ( root.children ) { + + const searchNodeSubtree = function ( children ) { + + for ( let i = 0; i < children.length; i ++ ) { + + const childNode = children[ i ]; + + if ( childNode.name === nodeName || childNode.uuid === nodeName ) { + + return childNode; + + } + + const result = searchNodeSubtree( childNode.children ); + + if ( result ) return result; + + } + + return null; + + }; + + const subTreeNode = searchNodeSubtree( root.children ); + + if ( subTreeNode ) { + + return subTreeNode; + + } + + } + + return null; + + } + + // these are used to "bind" a nonexistent property + _getValue_unavailable() {} + _setValue_unavailable() {} + + // Getters + + _getValue_direct( buffer, offset ) { + + buffer[ offset ] = this.targetObject[ this.propertyName ]; + + } + + _getValue_array( buffer, offset ) { + + const source = this.resolvedProperty; + + for ( let i = 0, n = source.length; i !== n; ++ i ) { + + buffer[ offset ++ ] = source[ i ]; + + } + + } + + _getValue_arrayElement( buffer, offset ) { + + buffer[ offset ] = this.resolvedProperty[ this.propertyIndex ]; + + } + + _getValue_toArray( buffer, offset ) { + + this.resolvedProperty.toArray( buffer, offset ); + + } + + // Direct + + _setValue_direct( buffer, offset ) { + + this.targetObject[ this.propertyName ] = buffer[ offset ]; + + } + + _setValue_direct_setNeedsUpdate( buffer, offset ) { + + this.targetObject[ this.propertyName ] = buffer[ offset ]; + this.targetObject.needsUpdate = true; + + } + + _setValue_direct_setMatrixWorldNeedsUpdate( buffer, offset ) { + + this.targetObject[ this.propertyName ] = buffer[ offset ]; + this.targetObject.matrixWorldNeedsUpdate = true; + + } + + // EntireArray + + _setValue_array( buffer, offset ) { + + const dest = this.resolvedProperty; + + for ( let i = 0, n = dest.length; i !== n; ++ i ) { + + dest[ i ] = buffer[ offset ++ ]; + + } + + } + + _setValue_array_setNeedsUpdate( buffer, offset ) { + + const dest = this.resolvedProperty; + + for ( let i = 0, n = dest.length; i !== n; ++ i ) { + + dest[ i ] = buffer[ offset ++ ]; + + } + + this.targetObject.needsUpdate = true; + + } + + _setValue_array_setMatrixWorldNeedsUpdate( buffer, offset ) { + + const dest = this.resolvedProperty; + + for ( let i = 0, n = dest.length; i !== n; ++ i ) { + + dest[ i ] = buffer[ offset ++ ]; + + } + + this.targetObject.matrixWorldNeedsUpdate = true; + + } + + // ArrayElement + + _setValue_arrayElement( buffer, offset ) { + + this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ]; + + } + + _setValue_arrayElement_setNeedsUpdate( buffer, offset ) { + + this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ]; + this.targetObject.needsUpdate = true; + + } + + _setValue_arrayElement_setMatrixWorldNeedsUpdate( buffer, offset ) { + + this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ]; + this.targetObject.matrixWorldNeedsUpdate = true; + + } + + // HasToFromArray + + _setValue_fromArray( buffer, offset ) { + + this.resolvedProperty.fromArray( buffer, offset ); + + } + + _setValue_fromArray_setNeedsUpdate( buffer, offset ) { + + this.resolvedProperty.fromArray( buffer, offset ); + this.targetObject.needsUpdate = true; + + } + + _setValue_fromArray_setMatrixWorldNeedsUpdate( buffer, offset ) { + + this.resolvedProperty.fromArray( buffer, offset ); + this.targetObject.matrixWorldNeedsUpdate = true; + + } + + _getValue_unbound( targetArray, offset ) { + + this.bind(); + this.getValue( targetArray, offset ); + + } + + _setValue_unbound( sourceArray, offset ) { + + this.bind(); + this.setValue( sourceArray, offset ); + + } + + // create getter / setter pair for a property in the scene graph + bind() { + + let targetObject = this.node; + const parsedPath = this.parsedPath; + + const objectName = parsedPath.objectName; + const propertyName = parsedPath.propertyName; + let propertyIndex = parsedPath.propertyIndex; + + if ( ! targetObject ) { + + targetObject = PropertyBinding.findNode( this.rootNode, parsedPath.nodeName ) || this.rootNode; + + this.node = targetObject; + + } + + // set fail state so we can just 'return' on error + this.getValue = this._getValue_unavailable; + this.setValue = this._setValue_unavailable; + + // ensure there is a value node + if ( ! targetObject ) { + + console.error( 'THREE.PropertyBinding: Trying to update node for track: ' + this.path + ' but it wasn\'t found.' ); + return; + + } + + if ( objectName ) { + + let objectIndex = parsedPath.objectIndex; + + // special cases were we need to reach deeper into the hierarchy to get the face materials.... + switch ( objectName ) { + + case 'materials': + + if ( ! targetObject.material ) { + + console.error( 'THREE.PropertyBinding: Can not bind to material as node does not have a material.', this ); + return; + + } + + if ( ! targetObject.material.materials ) { + + console.error( 'THREE.PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.', this ); + return; + + } + + targetObject = targetObject.material.materials; + + break; + + case 'bones': + + if ( ! targetObject.skeleton ) { + + console.error( 'THREE.PropertyBinding: Can not bind to bones as node does not have a skeleton.', this ); + return; + + } + + // potential future optimization: skip this if propertyIndex is already an integer + // and convert the integer string to a true integer. + + targetObject = targetObject.skeleton.bones; + + // support resolving morphTarget names into indices. + for ( let i = 0; i < targetObject.length; i ++ ) { + + if ( targetObject[ i ].name === objectIndex ) { + + objectIndex = i; + break; + + } + + } + + break; + + default: + + if ( targetObject[ objectName ] === undefined ) { + + console.error( 'THREE.PropertyBinding: Can not bind to objectName of node undefined.', this ); + return; + + } + + targetObject = targetObject[ objectName ]; + + } + + + if ( objectIndex !== undefined ) { + + if ( targetObject[ objectIndex ] === undefined ) { + + console.error( 'THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.', this, targetObject ); + return; + + } + + targetObject = targetObject[ objectIndex ]; + + } + + } + + // resolve property + const nodeProperty = targetObject[ propertyName ]; + + if ( nodeProperty === undefined ) { + + const nodeName = parsedPath.nodeName; + + console.error( 'THREE.PropertyBinding: Trying to update property for track: ' + nodeName + + '.' + propertyName + ' but it wasn\'t found.', targetObject ); + return; + + } + + // determine versioning scheme + let versioning = this.Versioning.None; + + this.targetObject = targetObject; + + if ( targetObject.needsUpdate !== undefined ) { // material + + versioning = this.Versioning.NeedsUpdate; + + } else if ( targetObject.matrixWorldNeedsUpdate !== undefined ) { // node transform + + versioning = this.Versioning.MatrixWorldNeedsUpdate; + + } + + // determine how the property gets bound + let bindingType = this.BindingType.Direct; + + if ( propertyIndex !== undefined ) { + + // access a sub element of the property array (only primitives are supported right now) + + if ( propertyName === 'morphTargetInfluences' ) { + + // potential optimization, skip this if propertyIndex is already an integer, and convert the integer string to a true integer. + + // support resolving morphTarget names into indices. + if ( ! targetObject.geometry ) { + + console.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.', this ); + return; + + } + + if ( ! targetObject.geometry.morphAttributes ) { + + console.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.', this ); + return; + + } + + if ( targetObject.morphTargetDictionary[ propertyIndex ] !== undefined ) { + + propertyIndex = targetObject.morphTargetDictionary[ propertyIndex ]; + + } + + } + + bindingType = this.BindingType.ArrayElement; + + this.resolvedProperty = nodeProperty; + this.propertyIndex = propertyIndex; + + } else if ( nodeProperty.fromArray !== undefined && nodeProperty.toArray !== undefined ) { + + // must use copy for Object3D.Euler/Quaternion + + bindingType = this.BindingType.HasFromToArray; + + this.resolvedProperty = nodeProperty; + + } else if ( Array.isArray( nodeProperty ) ) { + + bindingType = this.BindingType.EntireArray; + + this.resolvedProperty = nodeProperty; + + } else { + + this.propertyName = propertyName; + + } + + // select getter / setter + this.getValue = this.GetterByBindingType[ bindingType ]; + this.setValue = this.SetterByBindingTypeAndVersioning[ bindingType ][ versioning ]; + + } + + unbind() { + + this.node = null; + + // back to the prototype version of getValue / setValue + // note: avoiding to mutate the shape of 'this' via 'delete' + this.getValue = this._getValue_unbound; + this.setValue = this._setValue_unbound; + + } + +} + +PropertyBinding.Composite = Composite; + +PropertyBinding.prototype.BindingType = { + Direct: 0, + EntireArray: 1, + ArrayElement: 2, + HasFromToArray: 3 +}; + +PropertyBinding.prototype.Versioning = { + None: 0, + NeedsUpdate: 1, + MatrixWorldNeedsUpdate: 2 +}; + +PropertyBinding.prototype.GetterByBindingType = [ + + PropertyBinding.prototype._getValue_direct, + PropertyBinding.prototype._getValue_array, + PropertyBinding.prototype._getValue_arrayElement, + PropertyBinding.prototype._getValue_toArray, + +]; + +PropertyBinding.prototype.SetterByBindingTypeAndVersioning = [ + + [ + // Direct + PropertyBinding.prototype._setValue_direct, + PropertyBinding.prototype._setValue_direct_setNeedsUpdate, + PropertyBinding.prototype._setValue_direct_setMatrixWorldNeedsUpdate, + + ], [ + + // EntireArray + + PropertyBinding.prototype._setValue_array, + PropertyBinding.prototype._setValue_array_setNeedsUpdate, + PropertyBinding.prototype._setValue_array_setMatrixWorldNeedsUpdate, + + ], [ + + // ArrayElement + PropertyBinding.prototype._setValue_arrayElement, + PropertyBinding.prototype._setValue_arrayElement_setNeedsUpdate, + PropertyBinding.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate, + + ], [ + + // HasToFromArray + PropertyBinding.prototype._setValue_fromArray, + PropertyBinding.prototype._setValue_fromArray_setNeedsUpdate, + PropertyBinding.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate, + + ] + +]; + +/** + * + * A group of objects that receives a shared animation state. + * + * Usage: + * + * - Add objects you would otherwise pass as 'root' to the + * constructor or the .clipAction method of AnimationMixer. + * + * - Instead pass this object as 'root'. + * + * - You can also add and remove objects later when the mixer + * is running. + * + * Note: + * + * Objects of this class appear as one object to the mixer, + * so cache control of the individual objects must be done + * on the group. + * + * Limitation: + * + * - The animated properties must be compatible among the + * all objects in the group. + * + * - A single property can either be controlled through a + * target group or directly, but not both. + */ + +class AnimationObjectGroup { + + constructor() { + + this.isAnimationObjectGroup = true; + + this.uuid = generateUUID(); + + // cached objects followed by the active ones + this._objects = Array.prototype.slice.call( arguments ); + + this.nCachedObjects_ = 0; // threshold + // note: read by PropertyBinding.Composite + + const indices = {}; + this._indicesByUUID = indices; // for bookkeeping + + for ( let i = 0, n = arguments.length; i !== n; ++ i ) { + + indices[ arguments[ i ].uuid ] = i; + + } + + this._paths = []; // inside: string + this._parsedPaths = []; // inside: { we don't care, here } + this._bindings = []; // inside: Array< PropertyBinding > + this._bindingsIndicesByPath = {}; // inside: indices in these arrays + + const scope = this; + + this.stats = { + + objects: { + get total() { + + return scope._objects.length; + + }, + get inUse() { + + return this.total - scope.nCachedObjects_; + + } + }, + get bindingsPerObject() { + + return scope._bindings.length; + + } + + }; + + } + + add() { + + const objects = this._objects, + indicesByUUID = this._indicesByUUID, + paths = this._paths, + parsedPaths = this._parsedPaths, + bindings = this._bindings, + nBindings = bindings.length; + + let knownObject = undefined, + nObjects = objects.length, + nCachedObjects = this.nCachedObjects_; + + for ( let i = 0, n = arguments.length; i !== n; ++ i ) { + + const object = arguments[ i ], + uuid = object.uuid; + let index = indicesByUUID[ uuid ]; + + if ( index === undefined ) { + + // unknown object -> add it to the ACTIVE region + + index = nObjects ++; + indicesByUUID[ uuid ] = index; + objects.push( object ); + + // accounting is done, now do the same for all bindings + + for ( let j = 0, m = nBindings; j !== m; ++ j ) { + + bindings[ j ].push( new PropertyBinding( object, paths[ j ], parsedPaths[ j ] ) ); + + } + + } else if ( index < nCachedObjects ) { + + knownObject = objects[ index ]; + + // move existing object to the ACTIVE region + + const firstActiveIndex = -- nCachedObjects, + lastCachedObject = objects[ firstActiveIndex ]; + + indicesByUUID[ lastCachedObject.uuid ] = index; + objects[ index ] = lastCachedObject; + + indicesByUUID[ uuid ] = firstActiveIndex; + objects[ firstActiveIndex ] = object; + + // accounting is done, now do the same for all bindings + + for ( let j = 0, m = nBindings; j !== m; ++ j ) { + + const bindingsForPath = bindings[ j ], + lastCached = bindingsForPath[ firstActiveIndex ]; + + let binding = bindingsForPath[ index ]; + + bindingsForPath[ index ] = lastCached; + + if ( binding === undefined ) { + + // since we do not bother to create new bindings + // for objects that are cached, the binding may + // or may not exist + + binding = new PropertyBinding( object, paths[ j ], parsedPaths[ j ] ); + + } + + bindingsForPath[ firstActiveIndex ] = binding; + + } + + } else if ( objects[ index ] !== knownObject ) { + + console.error( 'THREE.AnimationObjectGroup: Different objects with the same UUID ' + + 'detected. Clean the caches or recreate your infrastructure when reloading scenes.' ); + + } // else the object is already where we want it to be + + } // for arguments + + this.nCachedObjects_ = nCachedObjects; + + } + + remove() { + + const objects = this._objects, + indicesByUUID = this._indicesByUUID, + bindings = this._bindings, + nBindings = bindings.length; + + let nCachedObjects = this.nCachedObjects_; + + for ( let i = 0, n = arguments.length; i !== n; ++ i ) { + + const object = arguments[ i ], + uuid = object.uuid, + index = indicesByUUID[ uuid ]; + + if ( index !== undefined && index >= nCachedObjects ) { + + // move existing object into the CACHED region + + const lastCachedIndex = nCachedObjects ++, + firstActiveObject = objects[ lastCachedIndex ]; + + indicesByUUID[ firstActiveObject.uuid ] = index; + objects[ index ] = firstActiveObject; + + indicesByUUID[ uuid ] = lastCachedIndex; + objects[ lastCachedIndex ] = object; + + // accounting is done, now do the same for all bindings + + for ( let j = 0, m = nBindings; j !== m; ++ j ) { + + const bindingsForPath = bindings[ j ], + firstActive = bindingsForPath[ lastCachedIndex ], + binding = bindingsForPath[ index ]; + + bindingsForPath[ index ] = firstActive; + bindingsForPath[ lastCachedIndex ] = binding; + + } + + } + + } // for arguments + + this.nCachedObjects_ = nCachedObjects; + + } + + // remove & forget + uncache() { + + const objects = this._objects, + indicesByUUID = this._indicesByUUID, + bindings = this._bindings, + nBindings = bindings.length; + + let nCachedObjects = this.nCachedObjects_, + nObjects = objects.length; + + for ( let i = 0, n = arguments.length; i !== n; ++ i ) { + + const object = arguments[ i ], + uuid = object.uuid, + index = indicesByUUID[ uuid ]; + + if ( index !== undefined ) { + + delete indicesByUUID[ uuid ]; + + if ( index < nCachedObjects ) { + + // object is cached, shrink the CACHED region + + const firstActiveIndex = -- nCachedObjects, + lastCachedObject = objects[ firstActiveIndex ], + lastIndex = -- nObjects, + lastObject = objects[ lastIndex ]; + + // last cached object takes this object's place + indicesByUUID[ lastCachedObject.uuid ] = index; + objects[ index ] = lastCachedObject; + + // last object goes to the activated slot and pop + indicesByUUID[ lastObject.uuid ] = firstActiveIndex; + objects[ firstActiveIndex ] = lastObject; + objects.pop(); + + // accounting is done, now do the same for all bindings + + for ( let j = 0, m = nBindings; j !== m; ++ j ) { + + const bindingsForPath = bindings[ j ], + lastCached = bindingsForPath[ firstActiveIndex ], + last = bindingsForPath[ lastIndex ]; + + bindingsForPath[ index ] = lastCached; + bindingsForPath[ firstActiveIndex ] = last; + bindingsForPath.pop(); + + } + + } else { + + // object is active, just swap with the last and pop + + const lastIndex = -- nObjects, + lastObject = objects[ lastIndex ]; + + if ( lastIndex > 0 ) { + + indicesByUUID[ lastObject.uuid ] = index; + + } + + objects[ index ] = lastObject; + objects.pop(); + + // accounting is done, now do the same for all bindings + + for ( let j = 0, m = nBindings; j !== m; ++ j ) { + + const bindingsForPath = bindings[ j ]; + + bindingsForPath[ index ] = bindingsForPath[ lastIndex ]; + bindingsForPath.pop(); + + } + + } // cached or active + + } // if object is known + + } // for arguments + + this.nCachedObjects_ = nCachedObjects; + + } + + // Internal interface used by befriended PropertyBinding.Composite: + + subscribe_( path, parsedPath ) { + + // returns an array of bindings for the given path that is changed + // according to the contained objects in the group + + const indicesByPath = this._bindingsIndicesByPath; + let index = indicesByPath[ path ]; + const bindings = this._bindings; + + if ( index !== undefined ) return bindings[ index ]; + + const paths = this._paths, + parsedPaths = this._parsedPaths, + objects = this._objects, + nObjects = objects.length, + nCachedObjects = this.nCachedObjects_, + bindingsForPath = new Array( nObjects ); + + index = bindings.length; + + indicesByPath[ path ] = index; + + paths.push( path ); + parsedPaths.push( parsedPath ); + bindings.push( bindingsForPath ); + + for ( let i = nCachedObjects, n = objects.length; i !== n; ++ i ) { + + const object = objects[ i ]; + bindingsForPath[ i ] = new PropertyBinding( object, path, parsedPath ); + + } + + return bindingsForPath; + + } + + unsubscribe_( path ) { + + // tells the group to forget about a property path and no longer + // update the array previously obtained with 'subscribe_' + + const indicesByPath = this._bindingsIndicesByPath, + index = indicesByPath[ path ]; + + if ( index !== undefined ) { + + const paths = this._paths, + parsedPaths = this._parsedPaths, + bindings = this._bindings, + lastBindingsIndex = bindings.length - 1, + lastBindings = bindings[ lastBindingsIndex ], + lastBindingsPath = path[ lastBindingsIndex ]; + + indicesByPath[ lastBindingsPath ] = index; + + bindings[ index ] = lastBindings; + bindings.pop(); + + parsedPaths[ index ] = parsedPaths[ lastBindingsIndex ]; + parsedPaths.pop(); + + paths[ index ] = paths[ lastBindingsIndex ]; + paths.pop(); + + } + + } + +} + +class AnimationAction { + + constructor( mixer, clip, localRoot = null, blendMode = clip.blendMode ) { + + this._mixer = mixer; + this._clip = clip; + this._localRoot = localRoot; + this.blendMode = blendMode; + + const tracks = clip.tracks, + nTracks = tracks.length, + interpolants = new Array( nTracks ); + + const interpolantSettings = { + endingStart: ZeroCurvatureEnding, + endingEnd: ZeroCurvatureEnding + }; + + for ( let i = 0; i !== nTracks; ++ i ) { + + const interpolant = tracks[ i ].createInterpolant( null ); + interpolants[ i ] = interpolant; + interpolant.settings = interpolantSettings; + + } + + this._interpolantSettings = interpolantSettings; + + this._interpolants = interpolants; // bound by the mixer + + // inside: PropertyMixer (managed by the mixer) + this._propertyBindings = new Array( nTracks ); + + this._cacheIndex = null; // for the memory manager + this._byClipCacheIndex = null; // for the memory manager + + this._timeScaleInterpolant = null; + this._weightInterpolant = null; + + this.loop = LoopRepeat; + this._loopCount = - 1; + + // global mixer time when the action is to be started + // it's set back to 'null' upon start of the action + this._startTime = null; + + // scaled local time of the action + // gets clamped or wrapped to 0..clip.duration according to loop + this.time = 0; + + this.timeScale = 1; + this._effectiveTimeScale = 1; + + this.weight = 1; + this._effectiveWeight = 1; + + this.repetitions = Infinity; // no. of repetitions when looping + + this.paused = false; // true -> zero effective time scale + this.enabled = true; // false -> zero effective weight + + this.clampWhenFinished = false;// keep feeding the last frame? + + this.zeroSlopeAtStart = true;// for smooth interpolation w/o separate + this.zeroSlopeAtEnd = true;// clips for start, loop and end + + } + + // State & Scheduling + + play() { + + this._mixer._activateAction( this ); + + return this; + + } + + stop() { + + this._mixer._deactivateAction( this ); + + return this.reset(); + + } + + reset() { + + this.paused = false; + this.enabled = true; + + this.time = 0; // restart clip + this._loopCount = - 1;// forget previous loops + this._startTime = null;// forget scheduling + + return this.stopFading().stopWarping(); + + } + + isRunning() { + + return this.enabled && ! this.paused && this.timeScale !== 0 && + this._startTime === null && this._mixer._isActiveAction( this ); + + } + + // return true when play has been called + isScheduled() { + + return this._mixer._isActiveAction( this ); + + } + + startAt( time ) { + + this._startTime = time; + + return this; + + } + + setLoop( mode, repetitions ) { + + this.loop = mode; + this.repetitions = repetitions; + + return this; + + } + + // Weight + + // set the weight stopping any scheduled fading + // although .enabled = false yields an effective weight of zero, this + // method does *not* change .enabled, because it would be confusing + setEffectiveWeight( weight ) { + + this.weight = weight; + + // note: same logic as when updated at runtime + this._effectiveWeight = this.enabled ? weight : 0; + + return this.stopFading(); + + } + + // return the weight considering fading and .enabled + getEffectiveWeight() { + + return this._effectiveWeight; + + } + + fadeIn( duration ) { + + return this._scheduleFading( duration, 0, 1 ); + + } + + fadeOut( duration ) { + + return this._scheduleFading( duration, 1, 0 ); + + } + + crossFadeFrom( fadeOutAction, duration, warp ) { + + fadeOutAction.fadeOut( duration ); + this.fadeIn( duration ); + + if ( warp ) { + + const fadeInDuration = this._clip.duration, + fadeOutDuration = fadeOutAction._clip.duration, + + startEndRatio = fadeOutDuration / fadeInDuration, + endStartRatio = fadeInDuration / fadeOutDuration; + + fadeOutAction.warp( 1.0, startEndRatio, duration ); + this.warp( endStartRatio, 1.0, duration ); + + } + + return this; + + } + + crossFadeTo( fadeInAction, duration, warp ) { + + return fadeInAction.crossFadeFrom( this, duration, warp ); + + } + + stopFading() { + + const weightInterpolant = this._weightInterpolant; + + if ( weightInterpolant !== null ) { + + this._weightInterpolant = null; + this._mixer._takeBackControlInterpolant( weightInterpolant ); + + } + + return this; + + } + + // Time Scale Control + + // set the time scale stopping any scheduled warping + // although .paused = true yields an effective time scale of zero, this + // method does *not* change .paused, because it would be confusing + setEffectiveTimeScale( timeScale ) { + + this.timeScale = timeScale; + this._effectiveTimeScale = this.paused ? 0 : timeScale; + + return this.stopWarping(); + + } + + // return the time scale considering warping and .paused + getEffectiveTimeScale() { + + return this._effectiveTimeScale; + + } + + setDuration( duration ) { + + this.timeScale = this._clip.duration / duration; + + return this.stopWarping(); + + } + + syncWith( action ) { + + this.time = action.time; + this.timeScale = action.timeScale; + + return this.stopWarping(); + + } + + halt( duration ) { + + return this.warp( this._effectiveTimeScale, 0, duration ); + + } + + warp( startTimeScale, endTimeScale, duration ) { + + const mixer = this._mixer, + now = mixer.time, + timeScale = this.timeScale; + + let interpolant = this._timeScaleInterpolant; + + if ( interpolant === null ) { + + interpolant = mixer._lendControlInterpolant(); + this._timeScaleInterpolant = interpolant; + + } + + const times = interpolant.parameterPositions, + values = interpolant.sampleValues; + + times[ 0 ] = now; + times[ 1 ] = now + duration; + + values[ 0 ] = startTimeScale / timeScale; + values[ 1 ] = endTimeScale / timeScale; + + return this; + + } + + stopWarping() { + + const timeScaleInterpolant = this._timeScaleInterpolant; + + if ( timeScaleInterpolant !== null ) { + + this._timeScaleInterpolant = null; + this._mixer._takeBackControlInterpolant( timeScaleInterpolant ); + + } + + return this; + + } + + // Object Accessors + + getMixer() { + + return this._mixer; + + } + + getClip() { + + return this._clip; + + } + + getRoot() { + + return this._localRoot || this._mixer._root; + + } + + // Interna + + _update( time, deltaTime, timeDirection, accuIndex ) { + + // called by the mixer + + if ( ! this.enabled ) { + + // call ._updateWeight() to update ._effectiveWeight + + this._updateWeight( time ); + return; + + } + + const startTime = this._startTime; + + if ( startTime !== null ) { + + // check for scheduled start of action + + const timeRunning = ( time - startTime ) * timeDirection; + if ( timeRunning < 0 || timeDirection === 0 ) { + + return; // yet to come / don't decide when delta = 0 + + } + + // start + + this._startTime = null; // unschedule + deltaTime = timeDirection * timeRunning; + + } + + // apply time scale and advance time + + deltaTime *= this._updateTimeScale( time ); + const clipTime = this._updateTime( deltaTime ); + + // note: _updateTime may disable the action resulting in + // an effective weight of 0 + + const weight = this._updateWeight( time ); + + if ( weight > 0 ) { + + const interpolants = this._interpolants; + const propertyMixers = this._propertyBindings; + + switch ( this.blendMode ) { + + case AdditiveAnimationBlendMode: + + for ( let j = 0, m = interpolants.length; j !== m; ++ j ) { + + interpolants[ j ].evaluate( clipTime ); + propertyMixers[ j ].accumulateAdditive( weight ); + + } + + break; + + case NormalAnimationBlendMode: + default: + + for ( let j = 0, m = interpolants.length; j !== m; ++ j ) { + + interpolants[ j ].evaluate( clipTime ); + propertyMixers[ j ].accumulate( accuIndex, weight ); + + } + + } + + } + + } + + _updateWeight( time ) { + + let weight = 0; + + if ( this.enabled ) { + + weight = this.weight; + const interpolant = this._weightInterpolant; + + if ( interpolant !== null ) { + + const interpolantValue = interpolant.evaluate( time )[ 0 ]; + + weight *= interpolantValue; + + if ( time > interpolant.parameterPositions[ 1 ] ) { + + this.stopFading(); + + if ( interpolantValue === 0 ) { + + // faded out, disable + this.enabled = false; + + } + + } + + } + + } + + this._effectiveWeight = weight; + return weight; + + } + + _updateTimeScale( time ) { + + let timeScale = 0; + + if ( ! this.paused ) { + + timeScale = this.timeScale; + + const interpolant = this._timeScaleInterpolant; + + if ( interpolant !== null ) { + + const interpolantValue = interpolant.evaluate( time )[ 0 ]; + + timeScale *= interpolantValue; + + if ( time > interpolant.parameterPositions[ 1 ] ) { + + this.stopWarping(); + + if ( timeScale === 0 ) { + + // motion has halted, pause + this.paused = true; + + } else { + + // warp done - apply final time scale + this.timeScale = timeScale; + + } + + } + + } + + } + + this._effectiveTimeScale = timeScale; + return timeScale; + + } + + _updateTime( deltaTime ) { + + const duration = this._clip.duration; + const loop = this.loop; + + let time = this.time + deltaTime; + let loopCount = this._loopCount; + + const pingPong = ( loop === LoopPingPong ); + + if ( deltaTime === 0 ) { + + if ( loopCount === - 1 ) return time; + + return ( pingPong && ( loopCount & 1 ) === 1 ) ? duration - time : time; + + } + + if ( loop === LoopOnce ) { + + if ( loopCount === - 1 ) { + + // just started + + this._loopCount = 0; + this._setEndings( true, true, false ); + + } + + handle_stop: { + + if ( time >= duration ) { + + time = duration; + + } else if ( time < 0 ) { + + time = 0; + + } else { + + this.time = time; + + break handle_stop; + + } + + if ( this.clampWhenFinished ) this.paused = true; + else this.enabled = false; + + this.time = time; + + this._mixer.dispatchEvent( { + type: 'finished', action: this, + direction: deltaTime < 0 ? - 1 : 1 + } ); + + } + + } else { // repetitive Repeat or PingPong + + if ( loopCount === - 1 ) { + + // just started + + if ( deltaTime >= 0 ) { + + loopCount = 0; + + this._setEndings( true, this.repetitions === 0, pingPong ); + + } else { + + // when looping in reverse direction, the initial + // transition through zero counts as a repetition, + // so leave loopCount at -1 + + this._setEndings( this.repetitions === 0, true, pingPong ); + + } + + } + + if ( time >= duration || time < 0 ) { + + // wrap around + + const loopDelta = Math.floor( time / duration ); // signed + time -= duration * loopDelta; + + loopCount += Math.abs( loopDelta ); + + const pending = this.repetitions - loopCount; + + if ( pending <= 0 ) { + + // have to stop (switch state, clamp time, fire event) + + if ( this.clampWhenFinished ) this.paused = true; + else this.enabled = false; + + time = deltaTime > 0 ? duration : 0; + + this.time = time; + + this._mixer.dispatchEvent( { + type: 'finished', action: this, + direction: deltaTime > 0 ? 1 : - 1 + } ); + + } else { + + // keep running + + if ( pending === 1 ) { + + // entering the last round + + const atStart = deltaTime < 0; + this._setEndings( atStart, ! atStart, pingPong ); + + } else { + + this._setEndings( false, false, pingPong ); + + } + + this._loopCount = loopCount; + + this.time = time; + + this._mixer.dispatchEvent( { + type: 'loop', action: this, loopDelta: loopDelta + } ); + + } + + } else { + + this.time = time; + + } + + if ( pingPong && ( loopCount & 1 ) === 1 ) { + + // invert time for the "pong round" + + return duration - time; + + } + + } + + return time; + + } + + _setEndings( atStart, atEnd, pingPong ) { + + const settings = this._interpolantSettings; + + if ( pingPong ) { + + settings.endingStart = ZeroSlopeEnding; + settings.endingEnd = ZeroSlopeEnding; + + } else { + + // assuming for LoopOnce atStart == atEnd == true + + if ( atStart ) { + + settings.endingStart = this.zeroSlopeAtStart ? ZeroSlopeEnding : ZeroCurvatureEnding; + + } else { + + settings.endingStart = WrapAroundEnding; + + } + + if ( atEnd ) { + + settings.endingEnd = this.zeroSlopeAtEnd ? ZeroSlopeEnding : ZeroCurvatureEnding; + + } else { + + settings.endingEnd = WrapAroundEnding; + + } + + } + + } + + _scheduleFading( duration, weightNow, weightThen ) { + + const mixer = this._mixer, now = mixer.time; + let interpolant = this._weightInterpolant; + + if ( interpolant === null ) { + + interpolant = mixer._lendControlInterpolant(); + this._weightInterpolant = interpolant; + + } + + const times = interpolant.parameterPositions, + values = interpolant.sampleValues; + + times[ 0 ] = now; + values[ 0 ] = weightNow; + times[ 1 ] = now + duration; + values[ 1 ] = weightThen; + + return this; + + } + +} + +const _controlInterpolantsResultBuffer = /*@__PURE__*/ new Float32Array( 1 ); + + +class AnimationMixer extends EventDispatcher { + + constructor( root ) { + + super(); + + this._root = root; + this._initMemoryManager(); + this._accuIndex = 0; + this.time = 0; + this.timeScale = 1.0; + + } + + _bindAction( action, prototypeAction ) { + + const root = action._localRoot || this._root, + tracks = action._clip.tracks, + nTracks = tracks.length, + bindings = action._propertyBindings, + interpolants = action._interpolants, + rootUuid = root.uuid, + bindingsByRoot = this._bindingsByRootAndName; + + let bindingsByName = bindingsByRoot[ rootUuid ]; + + if ( bindingsByName === undefined ) { + + bindingsByName = {}; + bindingsByRoot[ rootUuid ] = bindingsByName; + + } + + for ( let i = 0; i !== nTracks; ++ i ) { + + const track = tracks[ i ], + trackName = track.name; + + let binding = bindingsByName[ trackName ]; + + if ( binding !== undefined ) { + + ++ binding.referenceCount; + bindings[ i ] = binding; + + } else { + + binding = bindings[ i ]; + + if ( binding !== undefined ) { + + // existing binding, make sure the cache knows + + if ( binding._cacheIndex === null ) { + + ++ binding.referenceCount; + this._addInactiveBinding( binding, rootUuid, trackName ); + + } + + continue; + + } + + const path = prototypeAction && prototypeAction. + _propertyBindings[ i ].binding.parsedPath; + + binding = new PropertyMixer( + PropertyBinding.create( root, trackName, path ), + track.ValueTypeName, track.getValueSize() ); + + ++ binding.referenceCount; + this._addInactiveBinding( binding, rootUuid, trackName ); + + bindings[ i ] = binding; + + } + + interpolants[ i ].resultBuffer = binding.buffer; + + } + + } + + _activateAction( action ) { + + if ( ! this._isActiveAction( action ) ) { + + if ( action._cacheIndex === null ) { + + // this action has been forgotten by the cache, but the user + // appears to be still using it -> rebind + + const rootUuid = ( action._localRoot || this._root ).uuid, + clipUuid = action._clip.uuid, + actionsForClip = this._actionsByClip[ clipUuid ]; + + this._bindAction( action, + actionsForClip && actionsForClip.knownActions[ 0 ] ); + + this._addInactiveAction( action, clipUuid, rootUuid ); + + } + + const bindings = action._propertyBindings; + + // increment reference counts / sort out state + for ( let i = 0, n = bindings.length; i !== n; ++ i ) { + + const binding = bindings[ i ]; + + if ( binding.useCount ++ === 0 ) { + + this._lendBinding( binding ); + binding.saveOriginalState(); + + } + + } + + this._lendAction( action ); + + } + + } + + _deactivateAction( action ) { + + if ( this._isActiveAction( action ) ) { + + const bindings = action._propertyBindings; + + // decrement reference counts / sort out state + for ( let i = 0, n = bindings.length; i !== n; ++ i ) { + + const binding = bindings[ i ]; + + if ( -- binding.useCount === 0 ) { + + binding.restoreOriginalState(); + this._takeBackBinding( binding ); + + } + + } + + this._takeBackAction( action ); + + } + + } + + // Memory manager + + _initMemoryManager() { + + this._actions = []; // 'nActiveActions' followed by inactive ones + this._nActiveActions = 0; + + this._actionsByClip = {}; + // inside: + // { + // knownActions: Array< AnimationAction > - used as prototypes + // actionByRoot: AnimationAction - lookup + // } + + + this._bindings = []; // 'nActiveBindings' followed by inactive ones + this._nActiveBindings = 0; + + this._bindingsByRootAndName = {}; // inside: Map< name, PropertyMixer > + + + this._controlInterpolants = []; // same game as above + this._nActiveControlInterpolants = 0; + + const scope = this; + + this.stats = { + + actions: { + get total() { + + return scope._actions.length; + + }, + get inUse() { + + return scope._nActiveActions; + + } + }, + bindings: { + get total() { + + return scope._bindings.length; + + }, + get inUse() { + + return scope._nActiveBindings; + + } + }, + controlInterpolants: { + get total() { + + return scope._controlInterpolants.length; + + }, + get inUse() { + + return scope._nActiveControlInterpolants; + + } + } + + }; + + } + + // Memory management for AnimationAction objects + + _isActiveAction( action ) { + + const index = action._cacheIndex; + return index !== null && index < this._nActiveActions; + + } + + _addInactiveAction( action, clipUuid, rootUuid ) { + + const actions = this._actions, + actionsByClip = this._actionsByClip; + + let actionsForClip = actionsByClip[ clipUuid ]; + + if ( actionsForClip === undefined ) { + + actionsForClip = { + + knownActions: [ action ], + actionByRoot: {} + + }; + + action._byClipCacheIndex = 0; + + actionsByClip[ clipUuid ] = actionsForClip; + + } else { + + const knownActions = actionsForClip.knownActions; + + action._byClipCacheIndex = knownActions.length; + knownActions.push( action ); + + } + + action._cacheIndex = actions.length; + actions.push( action ); + + actionsForClip.actionByRoot[ rootUuid ] = action; + + } + + _removeInactiveAction( action ) { + + const actions = this._actions, + lastInactiveAction = actions[ actions.length - 1 ], + cacheIndex = action._cacheIndex; + + lastInactiveAction._cacheIndex = cacheIndex; + actions[ cacheIndex ] = lastInactiveAction; + actions.pop(); + + action._cacheIndex = null; + + + const clipUuid = action._clip.uuid, + actionsByClip = this._actionsByClip, + actionsForClip = actionsByClip[ clipUuid ], + knownActionsForClip = actionsForClip.knownActions, + + lastKnownAction = + knownActionsForClip[ knownActionsForClip.length - 1 ], + + byClipCacheIndex = action._byClipCacheIndex; + + lastKnownAction._byClipCacheIndex = byClipCacheIndex; + knownActionsForClip[ byClipCacheIndex ] = lastKnownAction; + knownActionsForClip.pop(); + + action._byClipCacheIndex = null; + + + const actionByRoot = actionsForClip.actionByRoot, + rootUuid = ( action._localRoot || this._root ).uuid; + + delete actionByRoot[ rootUuid ]; + + if ( knownActionsForClip.length === 0 ) { + + delete actionsByClip[ clipUuid ]; + + } + + this._removeInactiveBindingsForAction( action ); + + } + + _removeInactiveBindingsForAction( action ) { + + const bindings = action._propertyBindings; + + for ( let i = 0, n = bindings.length; i !== n; ++ i ) { + + const binding = bindings[ i ]; + + if ( -- binding.referenceCount === 0 ) { + + this._removeInactiveBinding( binding ); + + } + + } + + } + + _lendAction( action ) { + + // [ active actions | inactive actions ] + // [ active actions >| inactive actions ] + // s a + // <-swap-> + // a s + + const actions = this._actions, + prevIndex = action._cacheIndex, + + lastActiveIndex = this._nActiveActions ++, + + firstInactiveAction = actions[ lastActiveIndex ]; + + action._cacheIndex = lastActiveIndex; + actions[ lastActiveIndex ] = action; + + firstInactiveAction._cacheIndex = prevIndex; + actions[ prevIndex ] = firstInactiveAction; + + } + + _takeBackAction( action ) { + + // [ active actions | inactive actions ] + // [ active actions |< inactive actions ] + // a s + // <-swap-> + // s a + + const actions = this._actions, + prevIndex = action._cacheIndex, + + firstInactiveIndex = -- this._nActiveActions, + + lastActiveAction = actions[ firstInactiveIndex ]; + + action._cacheIndex = firstInactiveIndex; + actions[ firstInactiveIndex ] = action; + + lastActiveAction._cacheIndex = prevIndex; + actions[ prevIndex ] = lastActiveAction; + + } + + // Memory management for PropertyMixer objects + + _addInactiveBinding( binding, rootUuid, trackName ) { + + const bindingsByRoot = this._bindingsByRootAndName, + bindings = this._bindings; + + let bindingByName = bindingsByRoot[ rootUuid ]; + + if ( bindingByName === undefined ) { + + bindingByName = {}; + bindingsByRoot[ rootUuid ] = bindingByName; + + } + + bindingByName[ trackName ] = binding; + + binding._cacheIndex = bindings.length; + bindings.push( binding ); + + } + + _removeInactiveBinding( binding ) { + + const bindings = this._bindings, + propBinding = binding.binding, + rootUuid = propBinding.rootNode.uuid, + trackName = propBinding.path, + bindingsByRoot = this._bindingsByRootAndName, + bindingByName = bindingsByRoot[ rootUuid ], + + lastInactiveBinding = bindings[ bindings.length - 1 ], + cacheIndex = binding._cacheIndex; + + lastInactiveBinding._cacheIndex = cacheIndex; + bindings[ cacheIndex ] = lastInactiveBinding; + bindings.pop(); + + delete bindingByName[ trackName ]; + + if ( Object.keys( bindingByName ).length === 0 ) { + + delete bindingsByRoot[ rootUuid ]; + + } + + } + + _lendBinding( binding ) { + + const bindings = this._bindings, + prevIndex = binding._cacheIndex, + + lastActiveIndex = this._nActiveBindings ++, + + firstInactiveBinding = bindings[ lastActiveIndex ]; + + binding._cacheIndex = lastActiveIndex; + bindings[ lastActiveIndex ] = binding; + + firstInactiveBinding._cacheIndex = prevIndex; + bindings[ prevIndex ] = firstInactiveBinding; + + } + + _takeBackBinding( binding ) { + + const bindings = this._bindings, + prevIndex = binding._cacheIndex, + + firstInactiveIndex = -- this._nActiveBindings, + + lastActiveBinding = bindings[ firstInactiveIndex ]; + + binding._cacheIndex = firstInactiveIndex; + bindings[ firstInactiveIndex ] = binding; + + lastActiveBinding._cacheIndex = prevIndex; + bindings[ prevIndex ] = lastActiveBinding; + + } + + + // Memory management of Interpolants for weight and time scale + + _lendControlInterpolant() { + + const interpolants = this._controlInterpolants, + lastActiveIndex = this._nActiveControlInterpolants ++; + + let interpolant = interpolants[ lastActiveIndex ]; + + if ( interpolant === undefined ) { + + interpolant = new LinearInterpolant( + new Float32Array( 2 ), new Float32Array( 2 ), + 1, _controlInterpolantsResultBuffer ); + + interpolant.__cacheIndex = lastActiveIndex; + interpolants[ lastActiveIndex ] = interpolant; + + } + + return interpolant; + + } + + _takeBackControlInterpolant( interpolant ) { + + const interpolants = this._controlInterpolants, + prevIndex = interpolant.__cacheIndex, + + firstInactiveIndex = -- this._nActiveControlInterpolants, + + lastActiveInterpolant = interpolants[ firstInactiveIndex ]; + + interpolant.__cacheIndex = firstInactiveIndex; + interpolants[ firstInactiveIndex ] = interpolant; + + lastActiveInterpolant.__cacheIndex = prevIndex; + interpolants[ prevIndex ] = lastActiveInterpolant; + + } + + // return an action for a clip optionally using a custom root target + // object (this method allocates a lot of dynamic memory in case a + // previously unknown clip/root combination is specified) + clipAction( clip, optionalRoot, blendMode ) { + + const root = optionalRoot || this._root, + rootUuid = root.uuid; + + let clipObject = typeof clip === 'string' ? AnimationClip.findByName( root, clip ) : clip; + + const clipUuid = clipObject !== null ? clipObject.uuid : clip; + + const actionsForClip = this._actionsByClip[ clipUuid ]; + let prototypeAction = null; + + if ( blendMode === undefined ) { + + if ( clipObject !== null ) { + + blendMode = clipObject.blendMode; + + } else { + + blendMode = NormalAnimationBlendMode; + + } + + } + + if ( actionsForClip !== undefined ) { + + const existingAction = actionsForClip.actionByRoot[ rootUuid ]; + + if ( existingAction !== undefined && existingAction.blendMode === blendMode ) { + + return existingAction; + + } + + // we know the clip, so we don't have to parse all + // the bindings again but can just copy + prototypeAction = actionsForClip.knownActions[ 0 ]; + + // also, take the clip from the prototype action + if ( clipObject === null ) + clipObject = prototypeAction._clip; + + } + + // clip must be known when specified via string + if ( clipObject === null ) return null; + + // allocate all resources required to run it + const newAction = new AnimationAction( this, clipObject, optionalRoot, blendMode ); + + this._bindAction( newAction, prototypeAction ); + + // and make the action known to the memory manager + this._addInactiveAction( newAction, clipUuid, rootUuid ); + + return newAction; + + } + + // get an existing action + existingAction( clip, optionalRoot ) { + + const root = optionalRoot || this._root, + rootUuid = root.uuid, + + clipObject = typeof clip === 'string' ? + AnimationClip.findByName( root, clip ) : clip, + + clipUuid = clipObject ? clipObject.uuid : clip, + + actionsForClip = this._actionsByClip[ clipUuid ]; + + if ( actionsForClip !== undefined ) { + + return actionsForClip.actionByRoot[ rootUuid ] || null; + + } + + return null; + + } + + // deactivates all previously scheduled actions + stopAllAction() { + + const actions = this._actions, + nActions = this._nActiveActions; + + for ( let i = nActions - 1; i >= 0; -- i ) { + + actions[ i ].stop(); + + } + + return this; + + } + + // advance the time and update apply the animation + update( deltaTime ) { + + deltaTime *= this.timeScale; + + const actions = this._actions, + nActions = this._nActiveActions, + + time = this.time += deltaTime, + timeDirection = Math.sign( deltaTime ), + + accuIndex = this._accuIndex ^= 1; + + // run active actions + + for ( let i = 0; i !== nActions; ++ i ) { + + const action = actions[ i ]; + + action._update( time, deltaTime, timeDirection, accuIndex ); + + } + + // update scene graph + + const bindings = this._bindings, + nBindings = this._nActiveBindings; + + for ( let i = 0; i !== nBindings; ++ i ) { + + bindings[ i ].apply( accuIndex ); + + } + + return this; + + } + + // Allows you to seek to a specific time in an animation. + setTime( timeInSeconds ) { + + this.time = 0; // Zero out time attribute for AnimationMixer object; + for ( let i = 0; i < this._actions.length; i ++ ) { + + this._actions[ i ].time = 0; // Zero out time attribute for all associated AnimationAction objects. + + } + + return this.update( timeInSeconds ); // Update used to set exact time. Returns "this" AnimationMixer object. + + } + + // return this mixer's root target object + getRoot() { + + return this._root; + + } + + // free all resources specific to a particular clip + uncacheClip( clip ) { + + const actions = this._actions, + clipUuid = clip.uuid, + actionsByClip = this._actionsByClip, + actionsForClip = actionsByClip[ clipUuid ]; + + if ( actionsForClip !== undefined ) { + + // note: just calling _removeInactiveAction would mess up the + // iteration state and also require updating the state we can + // just throw away + + const actionsToRemove = actionsForClip.knownActions; + + for ( let i = 0, n = actionsToRemove.length; i !== n; ++ i ) { + + const action = actionsToRemove[ i ]; + + this._deactivateAction( action ); + + const cacheIndex = action._cacheIndex, + lastInactiveAction = actions[ actions.length - 1 ]; + + action._cacheIndex = null; + action._byClipCacheIndex = null; + + lastInactiveAction._cacheIndex = cacheIndex; + actions[ cacheIndex ] = lastInactiveAction; + actions.pop(); + + this._removeInactiveBindingsForAction( action ); + + } + + delete actionsByClip[ clipUuid ]; + + } + + } + + // free all resources specific to a particular root target object + uncacheRoot( root ) { + + const rootUuid = root.uuid, + actionsByClip = this._actionsByClip; + + for ( const clipUuid in actionsByClip ) { + + const actionByRoot = actionsByClip[ clipUuid ].actionByRoot, + action = actionByRoot[ rootUuid ]; + + if ( action !== undefined ) { + + this._deactivateAction( action ); + this._removeInactiveAction( action ); + + } + + } + + const bindingsByRoot = this._bindingsByRootAndName, + bindingByName = bindingsByRoot[ rootUuid ]; + + if ( bindingByName !== undefined ) { + + for ( const trackName in bindingByName ) { + + const binding = bindingByName[ trackName ]; + binding.restoreOriginalState(); + this._removeInactiveBinding( binding ); + + } + + } + + } + + // remove a targeted clip from the cache + uncacheAction( clip, optionalRoot ) { + + const action = this.existingAction( clip, optionalRoot ); + + if ( action !== null ) { + + this._deactivateAction( action ); + this._removeInactiveAction( action ); + + } + + } + +} + +class Uniform { + + constructor( value ) { + + if ( typeof value === 'string' ) { + + console.warn( 'THREE.Uniform: Type parameter is no longer needed.' ); + value = arguments[ 1 ]; + + } + + this.value = value; + + } + + clone() { + + return new Uniform( this.value.clone === undefined ? this.value : this.value.clone() ); + + } + +} + +class InstancedInterleavedBuffer extends InterleavedBuffer { + + constructor( array, stride, meshPerAttribute = 1 ) { + + super( array, stride ); + + this.isInstancedInterleavedBuffer = true; + + this.meshPerAttribute = meshPerAttribute; + + } + + copy( source ) { + + super.copy( source ); + + this.meshPerAttribute = source.meshPerAttribute; + + return this; + + } + + clone( data ) { + + const ib = super.clone( data ); + + ib.meshPerAttribute = this.meshPerAttribute; + + return ib; + + } + + toJSON( data ) { + + const json = super.toJSON( data ); + + json.isInstancedInterleavedBuffer = true; + json.meshPerAttribute = this.meshPerAttribute; + + return json; + + } + +} + +class GLBufferAttribute { + + constructor( buffer, type, itemSize, elementSize, count ) { + + this.isGLBufferAttribute = true; + + this.buffer = buffer; + this.type = type; + this.itemSize = itemSize; + this.elementSize = elementSize; + this.count = count; + + this.version = 0; + + } + + set needsUpdate( value ) { + + if ( value === true ) this.version ++; + + } + + setBuffer( buffer ) { + + this.buffer = buffer; + + return this; + + } + + setType( type, elementSize ) { + + this.type = type; + this.elementSize = elementSize; + + return this; + + } + + setItemSize( itemSize ) { + + this.itemSize = itemSize; + + return this; + + } + + setCount( count ) { + + this.count = count; + + return this; + + } + +} + +class Raycaster { + + constructor( origin, direction, near = 0, far = Infinity ) { + + this.ray = new Ray( origin, direction ); + // direction is assumed to be normalized (for accurate distance calculations) + + this.near = near; + this.far = far; + this.camera = null; + this.layers = new Layers(); + + this.params = { + Mesh: {}, + Line: { threshold: 1 }, + LOD: {}, + Points: { threshold: 1 }, + Sprite: {} + }; + + } + + set( origin, direction ) { + + // direction is assumed to be normalized (for accurate distance calculations) + + this.ray.set( origin, direction ); + + } + + setFromCamera( coords, camera ) { + + if ( camera.isPerspectiveCamera ) { + + this.ray.origin.setFromMatrixPosition( camera.matrixWorld ); + this.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize(); + this.camera = camera; + + } else if ( camera.isOrthographicCamera ) { + + this.ray.origin.set( coords.x, coords.y, ( camera.near + camera.far ) / ( camera.near - camera.far ) ).unproject( camera ); // set origin in plane of camera + this.ray.direction.set( 0, 0, - 1 ).transformDirection( camera.matrixWorld ); + this.camera = camera; + + } else { + + console.error( 'THREE.Raycaster: Unsupported camera type: ' + camera.type ); + + } + + } + + intersectObject( object, recursive = true, intersects = [] ) { + + intersectObject( object, this, intersects, recursive ); + + intersects.sort( ascSort ); + + return intersects; + + } + + intersectObjects( objects, recursive = true, intersects = [] ) { + + for ( let i = 0, l = objects.length; i < l; i ++ ) { + + intersectObject( objects[ i ], this, intersects, recursive ); + + } + + intersects.sort( ascSort ); + + return intersects; + + } + +} + +function ascSort( a, b ) { + + return a.distance - b.distance; + +} + +function intersectObject( object, raycaster, intersects, recursive ) { + + if ( object.layers.test( raycaster.layers ) ) { + + object.raycast( raycaster, intersects ); + + } + + if ( recursive === true ) { + + const children = object.children; + + for ( let i = 0, l = children.length; i < l; i ++ ) { + + intersectObject( children[ i ], raycaster, intersects, true ); + + } + + } + +} + +/** + * Ref: https://en.wikipedia.org/wiki/Spherical_coordinate_system + * + * The polar angle (phi) is measured from the positive y-axis. The positive y-axis is up. + * The azimuthal angle (theta) is measured from the positive z-axis. + */ + +class Spherical { + + constructor( radius = 1, phi = 0, theta = 0 ) { + + this.radius = radius; + this.phi = phi; // polar angle + this.theta = theta; // azimuthal angle + + return this; + + } + + set( radius, phi, theta ) { + + this.radius = radius; + this.phi = phi; + this.theta = theta; + + return this; + + } + + copy( other ) { + + this.radius = other.radius; + this.phi = other.phi; + this.theta = other.theta; + + return this; + + } + + // restrict phi to be between EPS and PI-EPS + makeSafe() { + + const EPS = 0.000001; + this.phi = Math.max( EPS, Math.min( Math.PI - EPS, this.phi ) ); + + return this; + + } + + setFromVector3( v ) { + + return this.setFromCartesianCoords( v.x, v.y, v.z ); + + } + + setFromCartesianCoords( x, y, z ) { + + this.radius = Math.sqrt( x * x + y * y + z * z ); + + if ( this.radius === 0 ) { + + this.theta = 0; + this.phi = 0; + + } else { + + this.theta = Math.atan2( x, z ); + this.phi = Math.acos( clamp( y / this.radius, - 1, 1 ) ); + + } + + return this; + + } + + clone() { + + return new this.constructor().copy( this ); + + } + +} + +/** + * Ref: https://en.wikipedia.org/wiki/Cylindrical_coordinate_system + */ + +class Cylindrical { + + constructor( radius = 1, theta = 0, y = 0 ) { + + this.radius = radius; // distance from the origin to a point in the x-z plane + this.theta = theta; // counterclockwise angle in the x-z plane measured in radians from the positive z-axis + this.y = y; // height above the x-z plane + + return this; + + } + + set( radius, theta, y ) { + + this.radius = radius; + this.theta = theta; + this.y = y; + + return this; + + } + + copy( other ) { + + this.radius = other.radius; + this.theta = other.theta; + this.y = other.y; + + return this; + + } + + setFromVector3( v ) { + + return this.setFromCartesianCoords( v.x, v.y, v.z ); + + } + + setFromCartesianCoords( x, y, z ) { + + this.radius = Math.sqrt( x * x + z * z ); + this.theta = Math.atan2( x, z ); + this.y = y; + + return this; + + } + + clone() { + + return new this.constructor().copy( this ); + + } + +} + +const _vector$4 = /*@__PURE__*/ new Vector2(); + +class Box2 { + + constructor( min = new Vector2( + Infinity, + Infinity ), max = new Vector2( - Infinity, - Infinity ) ) { + + this.isBox2 = true; + + this.min = min; + this.max = max; + + } + + set( min, max ) { + + this.min.copy( min ); + this.max.copy( max ); + + return this; + + } + + setFromPoints( points ) { + + this.makeEmpty(); + + for ( let i = 0, il = points.length; i < il; i ++ ) { + + this.expandByPoint( points[ i ] ); + + } + + return this; + + } + + setFromCenterAndSize( center, size ) { + + const halfSize = _vector$4.copy( size ).multiplyScalar( 0.5 ); + this.min.copy( center ).sub( halfSize ); + this.max.copy( center ).add( halfSize ); + + return this; + + } + + clone() { + + return new this.constructor().copy( this ); + + } + + copy( box ) { + + this.min.copy( box.min ); + this.max.copy( box.max ); + + return this; + + } + + makeEmpty() { + + this.min.x = this.min.y = + Infinity; + this.max.x = this.max.y = - Infinity; + + return this; + + } + + isEmpty() { + + // this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes + + return ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ); + + } + + getCenter( target ) { + + return this.isEmpty() ? target.set( 0, 0 ) : target.addVectors( this.min, this.max ).multiplyScalar( 0.5 ); + + } + + getSize( target ) { + + return this.isEmpty() ? target.set( 0, 0 ) : target.subVectors( this.max, this.min ); + + } + + expandByPoint( point ) { + + this.min.min( point ); + this.max.max( point ); + + return this; + + } + + expandByVector( vector ) { + + this.min.sub( vector ); + this.max.add( vector ); + + return this; + + } + + expandByScalar( scalar ) { + + this.min.addScalar( - scalar ); + this.max.addScalar( scalar ); + + return this; + + } + + containsPoint( point ) { + + return point.x < this.min.x || point.x > this.max.x || + point.y < this.min.y || point.y > this.max.y ? false : true; + + } + + containsBox( box ) { + + return this.min.x <= box.min.x && box.max.x <= this.max.x && + this.min.y <= box.min.y && box.max.y <= this.max.y; + + } + + getParameter( point, target ) { + + // This can potentially have a divide by zero if the box + // has a size dimension of 0. + + return target.set( + ( point.x - this.min.x ) / ( this.max.x - this.min.x ), + ( point.y - this.min.y ) / ( this.max.y - this.min.y ) + ); + + } + + intersectsBox( box ) { + + // using 4 splitting planes to rule out intersections + + return box.max.x < this.min.x || box.min.x > this.max.x || + box.max.y < this.min.y || box.min.y > this.max.y ? false : true; + + } + + clampPoint( point, target ) { + + return target.copy( point ).clamp( this.min, this.max ); + + } + + distanceToPoint( point ) { + + const clampedPoint = _vector$4.copy( point ).clamp( this.min, this.max ); + return clampedPoint.sub( point ).length(); + + } + + intersect( box ) { + + this.min.max( box.min ); + this.max.min( box.max ); + + return this; + + } + + union( box ) { + + this.min.min( box.min ); + this.max.max( box.max ); + + return this; + + } + + translate( offset ) { + + this.min.add( offset ); + this.max.add( offset ); + + return this; + + } + + equals( box ) { + + return box.min.equals( this.min ) && box.max.equals( this.max ); + + } + +} + +const _startP = /*@__PURE__*/ new Vector3(); +const _startEnd = /*@__PURE__*/ new Vector3(); + +class Line3 { + + constructor( start = new Vector3(), end = new Vector3() ) { + + this.start = start; + this.end = end; + + } + + set( start, end ) { + + this.start.copy( start ); + this.end.copy( end ); + + return this; + + } + + copy( line ) { + + this.start.copy( line.start ); + this.end.copy( line.end ); + + return this; + + } + + getCenter( target ) { + + return target.addVectors( this.start, this.end ).multiplyScalar( 0.5 ); + + } + + delta( target ) { + + return target.subVectors( this.end, this.start ); + + } + + distanceSq() { + + return this.start.distanceToSquared( this.end ); + + } + + distance() { + + return this.start.distanceTo( this.end ); + + } + + at( t, target ) { + + return this.delta( target ).multiplyScalar( t ).add( this.start ); + + } + + closestPointToPointParameter( point, clampToLine ) { + + _startP.subVectors( point, this.start ); + _startEnd.subVectors( this.end, this.start ); + + const startEnd2 = _startEnd.dot( _startEnd ); + const startEnd_startP = _startEnd.dot( _startP ); + + let t = startEnd_startP / startEnd2; + + if ( clampToLine ) { + + t = clamp( t, 0, 1 ); + + } + + return t; + + } + + closestPointToPoint( point, clampToLine, target ) { + + const t = this.closestPointToPointParameter( point, clampToLine ); + + return this.delta( target ).multiplyScalar( t ).add( this.start ); + + } + + applyMatrix4( matrix ) { + + this.start.applyMatrix4( matrix ); + this.end.applyMatrix4( matrix ); + + return this; + + } + + equals( line ) { + + return line.start.equals( this.start ) && line.end.equals( this.end ); + + } + + clone() { + + return new this.constructor().copy( this ); + + } + +} + +const _vector$3 = /*@__PURE__*/ new Vector3(); + +class SpotLightHelper extends Object3D { + + constructor( light, color ) { + + super(); + this.light = light; + this.light.updateMatrixWorld(); + + this.matrix = light.matrixWorld; + this.matrixAutoUpdate = false; + + this.color = color; + + const geometry = new BufferGeometry(); + + const positions = [ + 0, 0, 0, 0, 0, 1, + 0, 0, 0, 1, 0, 1, + 0, 0, 0, - 1, 0, 1, + 0, 0, 0, 0, 1, 1, + 0, 0, 0, 0, - 1, 1 + ]; + + for ( let i = 0, j = 1, l = 32; i < l; i ++, j ++ ) { + + const p1 = ( i / l ) * Math.PI * 2; + const p2 = ( j / l ) * Math.PI * 2; + + positions.push( + Math.cos( p1 ), Math.sin( p1 ), 1, + Math.cos( p2 ), Math.sin( p2 ), 1 + ); + + } + + geometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) ); + + const material = new LineBasicMaterial( { fog: false, toneMapped: false } ); + + this.cone = new LineSegments( geometry, material ); + this.add( this.cone ); + + this.update(); + + } + + dispose() { + + this.cone.geometry.dispose(); + this.cone.material.dispose(); + + } + + update() { + + this.light.updateMatrixWorld(); + + const coneLength = this.light.distance ? this.light.distance : 1000; + const coneWidth = coneLength * Math.tan( this.light.angle ); + + this.cone.scale.set( coneWidth, coneWidth, coneLength ); + + _vector$3.setFromMatrixPosition( this.light.target.matrixWorld ); + + this.cone.lookAt( _vector$3 ); + + if ( this.color !== undefined ) { + + this.cone.material.color.set( this.color ); + + } else { + + this.cone.material.color.copy( this.light.color ); + + } + + } + +} + +const _vector$2 = /*@__PURE__*/ new Vector3(); +const _boneMatrix = /*@__PURE__*/ new Matrix4(); +const _matrixWorldInv = /*@__PURE__*/ new Matrix4(); + + +class SkeletonHelper extends LineSegments { + + constructor( object ) { + + const bones = getBoneList( object ); + + const geometry = new BufferGeometry(); + + const vertices = []; + const colors = []; + + const color1 = new Color( 0, 0, 1 ); + const color2 = new Color( 0, 1, 0 ); + + for ( let i = 0; i < bones.length; i ++ ) { + + const bone = bones[ i ]; + + if ( bone.parent && bone.parent.isBone ) { + + vertices.push( 0, 0, 0 ); + vertices.push( 0, 0, 0 ); + colors.push( color1.r, color1.g, color1.b ); + colors.push( color2.r, color2.g, color2.b ); + + } + + } + + geometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + geometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) ); + + const material = new LineBasicMaterial( { vertexColors: true, depthTest: false, depthWrite: false, toneMapped: false, transparent: true } ); + + super( geometry, material ); + + this.isSkeletonHelper = true; + + this.type = 'SkeletonHelper'; + + this.root = object; + this.bones = bones; + + this.matrix = object.matrixWorld; + this.matrixAutoUpdate = false; + + } + + updateMatrixWorld( force ) { + + const bones = this.bones; + + const geometry = this.geometry; + const position = geometry.getAttribute( 'position' ); + + _matrixWorldInv.copy( this.root.matrixWorld ).invert(); + + for ( let i = 0, j = 0; i < bones.length; i ++ ) { + + const bone = bones[ i ]; + + if ( bone.parent && bone.parent.isBone ) { + + _boneMatrix.multiplyMatrices( _matrixWorldInv, bone.matrixWorld ); + _vector$2.setFromMatrixPosition( _boneMatrix ); + position.setXYZ( j, _vector$2.x, _vector$2.y, _vector$2.z ); + + _boneMatrix.multiplyMatrices( _matrixWorldInv, bone.parent.matrixWorld ); + _vector$2.setFromMatrixPosition( _boneMatrix ); + position.setXYZ( j + 1, _vector$2.x, _vector$2.y, _vector$2.z ); + + j += 2; + + } + + } + + geometry.getAttribute( 'position' ).needsUpdate = true; + + super.updateMatrixWorld( force ); + + } + +} + + +function getBoneList( object ) { + + const boneList = []; + + if ( object.isBone === true ) { + + boneList.push( object ); + + } + + for ( let i = 0; i < object.children.length; i ++ ) { + + boneList.push.apply( boneList, getBoneList( object.children[ i ] ) ); + + } + + return boneList; + +} + +class PointLightHelper extends Mesh { + + constructor( light, sphereSize, color ) { + + const geometry = new SphereGeometry( sphereSize, 4, 2 ); + const material = new MeshBasicMaterial( { wireframe: true, fog: false, toneMapped: false } ); + + super( geometry, material ); + + this.light = light; + this.light.updateMatrixWorld(); + + this.color = color; + + this.type = 'PointLightHelper'; + + this.matrix = this.light.matrixWorld; + this.matrixAutoUpdate = false; + + this.update(); + + + /* + // TODO: delete this comment? + const distanceGeometry = new THREE.IcosahedronGeometry( 1, 2 ); + const distanceMaterial = new THREE.MeshBasicMaterial( { color: hexColor, fog: false, wireframe: true, opacity: 0.1, transparent: true } ); + + this.lightSphere = new THREE.Mesh( bulbGeometry, bulbMaterial ); + this.lightDistance = new THREE.Mesh( distanceGeometry, distanceMaterial ); + + const d = light.distance; + + if ( d === 0.0 ) { + + this.lightDistance.visible = false; + + } else { + + this.lightDistance.scale.set( d, d, d ); + + } + + this.add( this.lightDistance ); + */ + + } + + dispose() { + + this.geometry.dispose(); + this.material.dispose(); + + } + + update() { + + if ( this.color !== undefined ) { + + this.material.color.set( this.color ); + + } else { + + this.material.color.copy( this.light.color ); + + } + + /* + const d = this.light.distance; + + if ( d === 0.0 ) { + + this.lightDistance.visible = false; + + } else { + + this.lightDistance.visible = true; + this.lightDistance.scale.set( d, d, d ); + + } + */ + + } + +} + +const _vector$1 = /*@__PURE__*/ new Vector3(); +const _color1 = /*@__PURE__*/ new Color(); +const _color2 = /*@__PURE__*/ new Color(); + +class HemisphereLightHelper extends Object3D { + + constructor( light, size, color ) { + + super(); + this.light = light; + this.light.updateMatrixWorld(); + + this.matrix = light.matrixWorld; + this.matrixAutoUpdate = false; + + this.color = color; + + const geometry = new OctahedronGeometry( size ); + geometry.rotateY( Math.PI * 0.5 ); + + this.material = new MeshBasicMaterial( { wireframe: true, fog: false, toneMapped: false } ); + if ( this.color === undefined ) this.material.vertexColors = true; + + const position = geometry.getAttribute( 'position' ); + const colors = new Float32Array( position.count * 3 ); + + geometry.setAttribute( 'color', new BufferAttribute( colors, 3 ) ); + + this.add( new Mesh( geometry, this.material ) ); + + this.update(); + + } + + dispose() { + + this.children[ 0 ].geometry.dispose(); + this.children[ 0 ].material.dispose(); + + } + + update() { + + const mesh = this.children[ 0 ]; + + if ( this.color !== undefined ) { + + this.material.color.set( this.color ); + + } else { + + const colors = mesh.geometry.getAttribute( 'color' ); + + _color1.copy( this.light.color ); + _color2.copy( this.light.groundColor ); + + for ( let i = 0, l = colors.count; i < l; i ++ ) { + + const color = ( i < ( l / 2 ) ) ? _color1 : _color2; + + colors.setXYZ( i, color.r, color.g, color.b ); + + } + + colors.needsUpdate = true; + + } + + mesh.lookAt( _vector$1.setFromMatrixPosition( this.light.matrixWorld ).negate() ); + + } + +} + +class GridHelper extends LineSegments { + + constructor( size = 10, divisions = 10, color1 = 0x444444, color2 = 0x888888 ) { + + color1 = new Color( color1 ); + color2 = new Color( color2 ); + + const center = divisions / 2; + const step = size / divisions; + const halfSize = size / 2; + + const vertices = [], colors = []; + + for ( let i = 0, j = 0, k = - halfSize; i <= divisions; i ++, k += step ) { + + vertices.push( - halfSize, 0, k, halfSize, 0, k ); + vertices.push( k, 0, - halfSize, k, 0, halfSize ); + + const color = i === center ? color1 : color2; + + color.toArray( colors, j ); j += 3; + color.toArray( colors, j ); j += 3; + color.toArray( colors, j ); j += 3; + color.toArray( colors, j ); j += 3; + + } + + const geometry = new BufferGeometry(); + geometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + geometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) ); + + const material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } ); + + super( geometry, material ); + + this.type = 'GridHelper'; + + } + +} + +class PolarGridHelper extends LineSegments { + + constructor( radius = 10, radials = 16, circles = 8, divisions = 64, color1 = 0x444444, color2 = 0x888888 ) { + + color1 = new Color( color1 ); + color2 = new Color( color2 ); + + const vertices = []; + const colors = []; + + // create the radials + + for ( let i = 0; i <= radials; i ++ ) { + + const v = ( i / radials ) * ( Math.PI * 2 ); + + const x = Math.sin( v ) * radius; + const z = Math.cos( v ) * radius; + + vertices.push( 0, 0, 0 ); + vertices.push( x, 0, z ); + + const color = ( i & 1 ) ? color1 : color2; + + colors.push( color.r, color.g, color.b ); + colors.push( color.r, color.g, color.b ); + + } + + // create the circles + + for ( let i = 0; i <= circles; i ++ ) { + + const color = ( i & 1 ) ? color1 : color2; + + const r = radius - ( radius / circles * i ); + + for ( let j = 0; j < divisions; j ++ ) { + + // first vertex + + let v = ( j / divisions ) * ( Math.PI * 2 ); + + let x = Math.sin( v ) * r; + let z = Math.cos( v ) * r; + + vertices.push( x, 0, z ); + colors.push( color.r, color.g, color.b ); + + // second vertex + + v = ( ( j + 1 ) / divisions ) * ( Math.PI * 2 ); + + x = Math.sin( v ) * r; + z = Math.cos( v ) * r; + + vertices.push( x, 0, z ); + colors.push( color.r, color.g, color.b ); + + } + + } + + const geometry = new BufferGeometry(); + geometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + geometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) ); + + const material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } ); + + super( geometry, material ); + + this.type = 'PolarGridHelper'; + + } + +} + +const _v1 = /*@__PURE__*/ new Vector3(); +const _v2 = /*@__PURE__*/ new Vector3(); +const _v3 = /*@__PURE__*/ new Vector3(); + +class DirectionalLightHelper extends Object3D { + + constructor( light, size, color ) { + + super(); + this.light = light; + this.light.updateMatrixWorld(); + + this.matrix = light.matrixWorld; + this.matrixAutoUpdate = false; + + this.color = color; + + if ( size === undefined ) size = 1; + + let geometry = new BufferGeometry(); + geometry.setAttribute( 'position', new Float32BufferAttribute( [ + - size, size, 0, + size, size, 0, + size, - size, 0, + - size, - size, 0, + - size, size, 0 + ], 3 ) ); + + const material = new LineBasicMaterial( { fog: false, toneMapped: false } ); + + this.lightPlane = new Line( geometry, material ); + this.add( this.lightPlane ); + + geometry = new BufferGeometry(); + geometry.setAttribute( 'position', new Float32BufferAttribute( [ 0, 0, 0, 0, 0, 1 ], 3 ) ); + + this.targetLine = new Line( geometry, material ); + this.add( this.targetLine ); + + this.update(); + + } + + dispose() { + + this.lightPlane.geometry.dispose(); + this.lightPlane.material.dispose(); + this.targetLine.geometry.dispose(); + this.targetLine.material.dispose(); + + } + + update() { + + _v1.setFromMatrixPosition( this.light.matrixWorld ); + _v2.setFromMatrixPosition( this.light.target.matrixWorld ); + _v3.subVectors( _v2, _v1 ); + + this.lightPlane.lookAt( _v2 ); + + if ( this.color !== undefined ) { + + this.lightPlane.material.color.set( this.color ); + this.targetLine.material.color.set( this.color ); + + } else { + + this.lightPlane.material.color.copy( this.light.color ); + this.targetLine.material.color.copy( this.light.color ); + + } + + this.targetLine.lookAt( _v2 ); + this.targetLine.scale.z = _v3.length(); + + } + +} + +const _vector = /*@__PURE__*/ new Vector3(); +const _camera = /*@__PURE__*/ new Camera(); + +/** + * - shows frustum, line of sight and up of the camera + * - suitable for fast updates + * - based on frustum visualization in lightgl.js shadowmap example + * https://github.com/evanw/lightgl.js/blob/master/tests/shadowmap.html + */ + +class CameraHelper extends LineSegments { + + constructor( camera ) { + + const geometry = new BufferGeometry(); + const material = new LineBasicMaterial( { color: 0xffffff, vertexColors: true, toneMapped: false } ); + + const vertices = []; + const colors = []; + + const pointMap = {}; + + // near + + addLine( 'n1', 'n2' ); + addLine( 'n2', 'n4' ); + addLine( 'n4', 'n3' ); + addLine( 'n3', 'n1' ); + + // far + + addLine( 'f1', 'f2' ); + addLine( 'f2', 'f4' ); + addLine( 'f4', 'f3' ); + addLine( 'f3', 'f1' ); + + // sides + + addLine( 'n1', 'f1' ); + addLine( 'n2', 'f2' ); + addLine( 'n3', 'f3' ); + addLine( 'n4', 'f4' ); + + // cone + + addLine( 'p', 'n1' ); + addLine( 'p', 'n2' ); + addLine( 'p', 'n3' ); + addLine( 'p', 'n4' ); + + // up + + addLine( 'u1', 'u2' ); + addLine( 'u2', 'u3' ); + addLine( 'u3', 'u1' ); + + // target + + addLine( 'c', 't' ); + addLine( 'p', 'c' ); + + // cross + + addLine( 'cn1', 'cn2' ); + addLine( 'cn3', 'cn4' ); + + addLine( 'cf1', 'cf2' ); + addLine( 'cf3', 'cf4' ); + + function addLine( a, b ) { + + addPoint( a ); + addPoint( b ); + + } + + function addPoint( id ) { + + vertices.push( 0, 0, 0 ); + colors.push( 0, 0, 0 ); + + if ( pointMap[ id ] === undefined ) { + + pointMap[ id ] = []; + + } + + pointMap[ id ].push( ( vertices.length / 3 ) - 1 ); + + } + + geometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + geometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) ); + + super( geometry, material ); + + this.type = 'CameraHelper'; + + this.camera = camera; + if ( this.camera.updateProjectionMatrix ) this.camera.updateProjectionMatrix(); + + this.matrix = camera.matrixWorld; + this.matrixAutoUpdate = false; + + this.pointMap = pointMap; + + this.update(); + + // colors + + const colorFrustum = new Color( 0xffaa00 ); + const colorCone = new Color( 0xff0000 ); + const colorUp = new Color( 0x00aaff ); + const colorTarget = new Color( 0xffffff ); + const colorCross = new Color( 0x333333 ); + + this.setColors( colorFrustum, colorCone, colorUp, colorTarget, colorCross ); + + } + + setColors( frustum, cone, up, target, cross ) { + + const geometry = this.geometry; + + const colorAttribute = geometry.getAttribute( 'color' ); + + // near + + colorAttribute.setXYZ( 0, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 1, frustum.r, frustum.g, frustum.b ); // n1, n2 + colorAttribute.setXYZ( 2, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 3, frustum.r, frustum.g, frustum.b ); // n2, n4 + colorAttribute.setXYZ( 4, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 5, frustum.r, frustum.g, frustum.b ); // n4, n3 + colorAttribute.setXYZ( 6, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 7, frustum.r, frustum.g, frustum.b ); // n3, n1 + + // far + + colorAttribute.setXYZ( 8, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 9, frustum.r, frustum.g, frustum.b ); // f1, f2 + colorAttribute.setXYZ( 10, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 11, frustum.r, frustum.g, frustum.b ); // f2, f4 + colorAttribute.setXYZ( 12, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 13, frustum.r, frustum.g, frustum.b ); // f4, f3 + colorAttribute.setXYZ( 14, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 15, frustum.r, frustum.g, frustum.b ); // f3, f1 + + // sides + + colorAttribute.setXYZ( 16, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 17, frustum.r, frustum.g, frustum.b ); // n1, f1 + colorAttribute.setXYZ( 18, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 19, frustum.r, frustum.g, frustum.b ); // n2, f2 + colorAttribute.setXYZ( 20, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 21, frustum.r, frustum.g, frustum.b ); // n3, f3 + colorAttribute.setXYZ( 22, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 23, frustum.r, frustum.g, frustum.b ); // n4, f4 + + // cone + + colorAttribute.setXYZ( 24, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 25, cone.r, cone.g, cone.b ); // p, n1 + colorAttribute.setXYZ( 26, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 27, cone.r, cone.g, cone.b ); // p, n2 + colorAttribute.setXYZ( 28, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 29, cone.r, cone.g, cone.b ); // p, n3 + colorAttribute.setXYZ( 30, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 31, cone.r, cone.g, cone.b ); // p, n4 + + // up + + colorAttribute.setXYZ( 32, up.r, up.g, up.b ); colorAttribute.setXYZ( 33, up.r, up.g, up.b ); // u1, u2 + colorAttribute.setXYZ( 34, up.r, up.g, up.b ); colorAttribute.setXYZ( 35, up.r, up.g, up.b ); // u2, u3 + colorAttribute.setXYZ( 36, up.r, up.g, up.b ); colorAttribute.setXYZ( 37, up.r, up.g, up.b ); // u3, u1 + + // target + + colorAttribute.setXYZ( 38, target.r, target.g, target.b ); colorAttribute.setXYZ( 39, target.r, target.g, target.b ); // c, t + colorAttribute.setXYZ( 40, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 41, cross.r, cross.g, cross.b ); // p, c + + // cross + + colorAttribute.setXYZ( 42, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 43, cross.r, cross.g, cross.b ); // cn1, cn2 + colorAttribute.setXYZ( 44, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 45, cross.r, cross.g, cross.b ); // cn3, cn4 + + colorAttribute.setXYZ( 46, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 47, cross.r, cross.g, cross.b ); // cf1, cf2 + colorAttribute.setXYZ( 48, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 49, cross.r, cross.g, cross.b ); // cf3, cf4 + + colorAttribute.needsUpdate = true; + + } + + update() { + + const geometry = this.geometry; + const pointMap = this.pointMap; + + const w = 1, h = 1; + + // we need just camera projection matrix inverse + // world matrix must be identity + + _camera.projectionMatrixInverse.copy( this.camera.projectionMatrixInverse ); + + // center / target + + setPoint( 'c', pointMap, geometry, _camera, 0, 0, - 1 ); + setPoint( 't', pointMap, geometry, _camera, 0, 0, 1 ); + + // near + + setPoint( 'n1', pointMap, geometry, _camera, - w, - h, - 1 ); + setPoint( 'n2', pointMap, geometry, _camera, w, - h, - 1 ); + setPoint( 'n3', pointMap, geometry, _camera, - w, h, - 1 ); + setPoint( 'n4', pointMap, geometry, _camera, w, h, - 1 ); + + // far + + setPoint( 'f1', pointMap, geometry, _camera, - w, - h, 1 ); + setPoint( 'f2', pointMap, geometry, _camera, w, - h, 1 ); + setPoint( 'f3', pointMap, geometry, _camera, - w, h, 1 ); + setPoint( 'f4', pointMap, geometry, _camera, w, h, 1 ); + + // up + + setPoint( 'u1', pointMap, geometry, _camera, w * 0.7, h * 1.1, - 1 ); + setPoint( 'u2', pointMap, geometry, _camera, - w * 0.7, h * 1.1, - 1 ); + setPoint( 'u3', pointMap, geometry, _camera, 0, h * 2, - 1 ); + + // cross + + setPoint( 'cf1', pointMap, geometry, _camera, - w, 0, 1 ); + setPoint( 'cf2', pointMap, geometry, _camera, w, 0, 1 ); + setPoint( 'cf3', pointMap, geometry, _camera, 0, - h, 1 ); + setPoint( 'cf4', pointMap, geometry, _camera, 0, h, 1 ); + + setPoint( 'cn1', pointMap, geometry, _camera, - w, 0, - 1 ); + setPoint( 'cn2', pointMap, geometry, _camera, w, 0, - 1 ); + setPoint( 'cn3', pointMap, geometry, _camera, 0, - h, - 1 ); + setPoint( 'cn4', pointMap, geometry, _camera, 0, h, - 1 ); + + geometry.getAttribute( 'position' ).needsUpdate = true; + + } + + dispose() { + + this.geometry.dispose(); + this.material.dispose(); + + } + +} + + +function setPoint( point, pointMap, geometry, camera, x, y, z ) { + + _vector.set( x, y, z ).unproject( camera ); + + const points = pointMap[ point ]; + + if ( points !== undefined ) { + + const position = geometry.getAttribute( 'position' ); + + for ( let i = 0, l = points.length; i < l; i ++ ) { + + position.setXYZ( points[ i ], _vector.x, _vector.y, _vector.z ); + + } + + } + +} + +const _box = /*@__PURE__*/ new Box3(); + +class BoxHelper extends LineSegments { + + constructor( object, color = 0xffff00 ) { + + const indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] ); + const positions = new Float32Array( 8 * 3 ); + + const geometry = new BufferGeometry(); + geometry.setIndex( new BufferAttribute( indices, 1 ) ); + geometry.setAttribute( 'position', new BufferAttribute( positions, 3 ) ); + + super( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) ); + + this.object = object; + this.type = 'BoxHelper'; + + this.matrixAutoUpdate = false; + + this.update(); + + } + + update( object ) { + + if ( object !== undefined ) { + + console.warn( 'THREE.BoxHelper: .update() has no longer arguments.' ); + + } + + if ( this.object !== undefined ) { + + _box.setFromObject( this.object ); + + } + + if ( _box.isEmpty() ) return; + + const min = _box.min; + const max = _box.max; + + /* + 5____4 + 1/___0/| + | 6__|_7 + 2/___3/ + + 0: max.x, max.y, max.z + 1: min.x, max.y, max.z + 2: min.x, min.y, max.z + 3: max.x, min.y, max.z + 4: max.x, max.y, min.z + 5: min.x, max.y, min.z + 6: min.x, min.y, min.z + 7: max.x, min.y, min.z + */ + + const position = this.geometry.attributes.position; + const array = position.array; + + array[ 0 ] = max.x; array[ 1 ] = max.y; array[ 2 ] = max.z; + array[ 3 ] = min.x; array[ 4 ] = max.y; array[ 5 ] = max.z; + array[ 6 ] = min.x; array[ 7 ] = min.y; array[ 8 ] = max.z; + array[ 9 ] = max.x; array[ 10 ] = min.y; array[ 11 ] = max.z; + array[ 12 ] = max.x; array[ 13 ] = max.y; array[ 14 ] = min.z; + array[ 15 ] = min.x; array[ 16 ] = max.y; array[ 17 ] = min.z; + array[ 18 ] = min.x; array[ 19 ] = min.y; array[ 20 ] = min.z; + array[ 21 ] = max.x; array[ 22 ] = min.y; array[ 23 ] = min.z; + + position.needsUpdate = true; + + this.geometry.computeBoundingSphere(); + + + } + + setFromObject( object ) { + + this.object = object; + this.update(); + + return this; + + } + + copy( source, recursive ) { + + super.copy( source, recursive ); + + this.object = source.object; + + return this; + + } + +} + +class Box3Helper extends LineSegments { + + constructor( box, color = 0xffff00 ) { + + const indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] ); + + const positions = [ 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, - 1, 1, 1, 1, - 1, - 1, 1, - 1, - 1, - 1, - 1, 1, - 1, - 1 ]; + + const geometry = new BufferGeometry(); + + geometry.setIndex( new BufferAttribute( indices, 1 ) ); + + geometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) ); + + super( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) ); + + this.box = box; + + this.type = 'Box3Helper'; + + this.geometry.computeBoundingSphere(); + + } + + updateMatrixWorld( force ) { + + const box = this.box; + + if ( box.isEmpty() ) return; + + box.getCenter( this.position ); + + box.getSize( this.scale ); + + this.scale.multiplyScalar( 0.5 ); + + super.updateMatrixWorld( force ); + + } + +} + +class PlaneHelper extends Line { + + constructor( plane, size = 1, hex = 0xffff00 ) { + + const color = hex; + + const positions = [ 1, - 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, - 1, 1, 1, 1, 1, 0, 0, 1, 0, 0, 0 ]; + + const geometry = new BufferGeometry(); + geometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) ); + geometry.computeBoundingSphere(); + + super( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) ); + + this.type = 'PlaneHelper'; + + this.plane = plane; + + this.size = size; + + const positions2 = [ 1, 1, 1, - 1, 1, 1, - 1, - 1, 1, 1, 1, 1, - 1, - 1, 1, 1, - 1, 1 ]; + + const geometry2 = new BufferGeometry(); + geometry2.setAttribute( 'position', new Float32BufferAttribute( positions2, 3 ) ); + geometry2.computeBoundingSphere(); + + this.add( new Mesh( geometry2, new MeshBasicMaterial( { color: color, opacity: 0.2, transparent: true, depthWrite: false, toneMapped: false } ) ) ); + + } + + updateMatrixWorld( force ) { + + let scale = - this.plane.constant; + + if ( Math.abs( scale ) < 1e-8 ) scale = 1e-8; // sign does not matter + + this.scale.set( 0.5 * this.size, 0.5 * this.size, scale ); + + this.children[ 0 ].material.side = ( scale < 0 ) ? BackSide : FrontSide; // renderer flips side when determinant < 0; flipping not wanted here + + this.lookAt( this.plane.normal ); + + super.updateMatrixWorld( force ); + + } + +} + +const _axis = /*@__PURE__*/ new Vector3(); +let _lineGeometry, _coneGeometry; + +class ArrowHelper extends Object3D { + + // dir is assumed to be normalized + + constructor( dir = new Vector3( 0, 0, 1 ), origin = new Vector3( 0, 0, 0 ), length = 1, color = 0xffff00, headLength = length * 0.2, headWidth = headLength * 0.2 ) { + + super(); + + this.type = 'ArrowHelper'; + + if ( _lineGeometry === undefined ) { + + _lineGeometry = new BufferGeometry(); + _lineGeometry.setAttribute( 'position', new Float32BufferAttribute( [ 0, 0, 0, 0, 1, 0 ], 3 ) ); + + _coneGeometry = new CylinderGeometry( 0, 0.5, 1, 5, 1 ); + _coneGeometry.translate( 0, - 0.5, 0 ); + + } + + this.position.copy( origin ); + + this.line = new Line( _lineGeometry, new LineBasicMaterial( { color: color, toneMapped: false } ) ); + this.line.matrixAutoUpdate = false; + this.add( this.line ); + + this.cone = new Mesh( _coneGeometry, new MeshBasicMaterial( { color: color, toneMapped: false } ) ); + this.cone.matrixAutoUpdate = false; + this.add( this.cone ); + + this.setDirection( dir ); + this.setLength( length, headLength, headWidth ); + + } + + setDirection( dir ) { + + // dir is assumed to be normalized + + if ( dir.y > 0.99999 ) { + + this.quaternion.set( 0, 0, 0, 1 ); + + } else if ( dir.y < - 0.99999 ) { + + this.quaternion.set( 1, 0, 0, 0 ); + + } else { + + _axis.set( dir.z, 0, - dir.x ).normalize(); + + const radians = Math.acos( dir.y ); + + this.quaternion.setFromAxisAngle( _axis, radians ); + + } + + } + + setLength( length, headLength = length * 0.2, headWidth = headLength * 0.2 ) { + + this.line.scale.set( 1, Math.max( 0.0001, length - headLength ), 1 ); // see #17458 + this.line.updateMatrix(); + + this.cone.scale.set( headWidth, headLength, headWidth ); + this.cone.position.y = length; + this.cone.updateMatrix(); + + } + + setColor( color ) { + + this.line.material.color.set( color ); + this.cone.material.color.set( color ); + + } + + copy( source ) { + + super.copy( source, false ); + + this.line.copy( source.line ); + this.cone.copy( source.cone ); + + return this; + + } + +} + +class AxesHelper extends LineSegments { + + constructor( size = 1 ) { + + const vertices = [ + 0, 0, 0, size, 0, 0, + 0, 0, 0, 0, size, 0, + 0, 0, 0, 0, 0, size + ]; + + const colors = [ + 1, 0, 0, 1, 0.6, 0, + 0, 1, 0, 0.6, 1, 0, + 0, 0, 1, 0, 0.6, 1 + ]; + + const geometry = new BufferGeometry(); + geometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + geometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) ); + + const material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } ); + + super( geometry, material ); + + this.type = 'AxesHelper'; + + } + + setColors( xAxisColor, yAxisColor, zAxisColor ) { + + const color = new Color(); + const array = this.geometry.attributes.color.array; + + color.set( xAxisColor ); + color.toArray( array, 0 ); + color.toArray( array, 3 ); + + color.set( yAxisColor ); + color.toArray( array, 6 ); + color.toArray( array, 9 ); + + color.set( zAxisColor ); + color.toArray( array, 12 ); + color.toArray( array, 15 ); + + this.geometry.attributes.color.needsUpdate = true; + + return this; + + } + + dispose() { + + this.geometry.dispose(); + this.material.dispose(); + + } + +} + +class ShapePath { + + constructor() { + + this.type = 'ShapePath'; + + this.color = new Color(); + + this.subPaths = []; + this.currentPath = null; + + } + + moveTo( x, y ) { + + this.currentPath = new Path(); + this.subPaths.push( this.currentPath ); + this.currentPath.moveTo( x, y ); + + return this; + + } + + lineTo( x, y ) { + + this.currentPath.lineTo( x, y ); + + return this; + + } + + quadraticCurveTo( aCPx, aCPy, aX, aY ) { + + this.currentPath.quadraticCurveTo( aCPx, aCPy, aX, aY ); + + return this; + + } + + bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) { + + this.currentPath.bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ); + + return this; + + } + + splineThru( pts ) { + + this.currentPath.splineThru( pts ); + + return this; + + } + + toShapes( isCCW, noHoles ) { + + function toShapesNoHoles( inSubpaths ) { + + const shapes = []; + + for ( let i = 0, l = inSubpaths.length; i < l; i ++ ) { + + const tmpPath = inSubpaths[ i ]; + + const tmpShape = new Shape(); + tmpShape.curves = tmpPath.curves; + + shapes.push( tmpShape ); + + } + + return shapes; + + } + + function isPointInsidePolygon( inPt, inPolygon ) { + + const polyLen = inPolygon.length; + + // inPt on polygon contour => immediate success or + // toggling of inside/outside at every single! intersection point of an edge + // with the horizontal line through inPt, left of inPt + // not counting lowerY endpoints of edges and whole edges on that line + let inside = false; + for ( let p = polyLen - 1, q = 0; q < polyLen; p = q ++ ) { + + let edgeLowPt = inPolygon[ p ]; + let edgeHighPt = inPolygon[ q ]; + + let edgeDx = edgeHighPt.x - edgeLowPt.x; + let edgeDy = edgeHighPt.y - edgeLowPt.y; + + if ( Math.abs( edgeDy ) > Number.EPSILON ) { + + // not parallel + if ( edgeDy < 0 ) { + + edgeLowPt = inPolygon[ q ]; edgeDx = - edgeDx; + edgeHighPt = inPolygon[ p ]; edgeDy = - edgeDy; + + } + + if ( ( inPt.y < edgeLowPt.y ) || ( inPt.y > edgeHighPt.y ) ) continue; + + if ( inPt.y === edgeLowPt.y ) { + + if ( inPt.x === edgeLowPt.x ) return true; // inPt is on contour ? + // continue; // no intersection or edgeLowPt => doesn't count !!! + + } else { + + const perpEdge = edgeDy * ( inPt.x - edgeLowPt.x ) - edgeDx * ( inPt.y - edgeLowPt.y ); + if ( perpEdge === 0 ) return true; // inPt is on contour ? + if ( perpEdge < 0 ) continue; + inside = ! inside; // true intersection left of inPt + + } + + } else { + + // parallel or collinear + if ( inPt.y !== edgeLowPt.y ) continue; // parallel + // edge lies on the same horizontal line as inPt + if ( ( ( edgeHighPt.x <= inPt.x ) && ( inPt.x <= edgeLowPt.x ) ) || + ( ( edgeLowPt.x <= inPt.x ) && ( inPt.x <= edgeHighPt.x ) ) ) return true; // inPt: Point on contour ! + // continue; + + } + + } + + return inside; + + } + + const isClockWise = ShapeUtils.isClockWise; + + const subPaths = this.subPaths; + if ( subPaths.length === 0 ) return []; + + if ( noHoles === true ) return toShapesNoHoles( subPaths ); + + + let solid, tmpPath, tmpShape; + const shapes = []; + + if ( subPaths.length === 1 ) { + + tmpPath = subPaths[ 0 ]; + tmpShape = new Shape(); + tmpShape.curves = tmpPath.curves; + shapes.push( tmpShape ); + return shapes; + + } + + let holesFirst = ! isClockWise( subPaths[ 0 ].getPoints() ); + holesFirst = isCCW ? ! holesFirst : holesFirst; + + // console.log("Holes first", holesFirst); + + const betterShapeHoles = []; + const newShapes = []; + let newShapeHoles = []; + let mainIdx = 0; + let tmpPoints; + + newShapes[ mainIdx ] = undefined; + newShapeHoles[ mainIdx ] = []; + + for ( let i = 0, l = subPaths.length; i < l; i ++ ) { + + tmpPath = subPaths[ i ]; + tmpPoints = tmpPath.getPoints(); + solid = isClockWise( tmpPoints ); + solid = isCCW ? ! solid : solid; + + if ( solid ) { + + if ( ( ! holesFirst ) && ( newShapes[ mainIdx ] ) ) mainIdx ++; + + newShapes[ mainIdx ] = { s: new Shape(), p: tmpPoints }; + newShapes[ mainIdx ].s.curves = tmpPath.curves; + + if ( holesFirst ) mainIdx ++; + newShapeHoles[ mainIdx ] = []; + + //console.log('cw', i); + + } else { + + newShapeHoles[ mainIdx ].push( { h: tmpPath, p: tmpPoints[ 0 ] } ); + + //console.log('ccw', i); + + } + + } + + // only Holes? -> probably all Shapes with wrong orientation + if ( ! newShapes[ 0 ] ) return toShapesNoHoles( subPaths ); + + + if ( newShapes.length > 1 ) { + + let ambiguous = false; + let toChange = 0; + + for ( let sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) { + + betterShapeHoles[ sIdx ] = []; + + } + + for ( let sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) { + + const sho = newShapeHoles[ sIdx ]; + + for ( let hIdx = 0; hIdx < sho.length; hIdx ++ ) { + + const ho = sho[ hIdx ]; + let hole_unassigned = true; + + for ( let s2Idx = 0; s2Idx < newShapes.length; s2Idx ++ ) { + + if ( isPointInsidePolygon( ho.p, newShapes[ s2Idx ].p ) ) { + + if ( sIdx !== s2Idx ) toChange ++; + + if ( hole_unassigned ) { + + hole_unassigned = false; + betterShapeHoles[ s2Idx ].push( ho ); + + } else { + + ambiguous = true; + + } + + } + + } + + if ( hole_unassigned ) { + + betterShapeHoles[ sIdx ].push( ho ); + + } + + } + + } + + if ( toChange > 0 && ambiguous === false ) { + + newShapeHoles = betterShapeHoles; + + } + + } + + let tmpHoles; + + for ( let i = 0, il = newShapes.length; i < il; i ++ ) { + + tmpShape = newShapes[ i ].s; + shapes.push( tmpShape ); + tmpHoles = newShapeHoles[ i ]; + + for ( let j = 0, jl = tmpHoles.length; j < jl; j ++ ) { + + tmpShape.holes.push( tmpHoles[ j ].h ); + + } + + } + + //console.log("shape", shapes); + + return shapes; + + } + +} + +// Fast Half Float Conversions, http://www.fox-toolkit.org/ftp/fasthalffloatconversion.pdf + +const { + floatView: _floatView, + uint32View: _uint32View, + baseTable: _baseTable, + shiftTable: _shiftTable, + mantissaTable: _mantissaTable, + exponentTable: _exponentTable, + offsetTable: _offsetTable +} = /*@__PURE__*/ _generateTables(); + +function _generateTables() { + + // float32 to float16 helpers + + const buffer = new ArrayBuffer( 4 ); + const floatView = new Float32Array( buffer ); + const uint32View = new Uint32Array( buffer ); + + const baseTable = new Uint32Array( 512 ); + const shiftTable = new Uint32Array( 512 ); + + for ( let i = 0; i < 256; ++ i ) { + + const e = i - 127; + + // very small number (0, -0) + + if ( e < - 27 ) { + + baseTable[ i ] = 0x0000; + baseTable[ i | 0x100 ] = 0x8000; + shiftTable[ i ] = 24; + shiftTable[ i | 0x100 ] = 24; + + // small number (denorm) + + } else if ( e < - 14 ) { + + baseTable[ i ] = 0x0400 >> ( - e - 14 ); + baseTable[ i | 0x100 ] = ( 0x0400 >> ( - e - 14 ) ) | 0x8000; + shiftTable[ i ] = - e - 1; + shiftTable[ i | 0x100 ] = - e - 1; + + // normal number + + } else if ( e <= 15 ) { + + baseTable[ i ] = ( e + 15 ) << 10; + baseTable[ i | 0x100 ] = ( ( e + 15 ) << 10 ) | 0x8000; + shiftTable[ i ] = 13; + shiftTable[ i | 0x100 ] = 13; + + // large number (Infinity, -Infinity) + + } else if ( e < 128 ) { + + baseTable[ i ] = 0x7c00; + baseTable[ i | 0x100 ] = 0xfc00; + shiftTable[ i ] = 24; + shiftTable[ i | 0x100 ] = 24; + + // stay (NaN, Infinity, -Infinity) + + } else { + + baseTable[ i ] = 0x7c00; + baseTable[ i | 0x100 ] = 0xfc00; + shiftTable[ i ] = 13; + shiftTable[ i | 0x100 ] = 13; + + } + + } + + // float16 to float32 helpers + + const mantissaTable = new Uint32Array( 2048 ); + const exponentTable = new Uint32Array( 64 ); + const offsetTable = new Uint32Array( 64 ); + + for ( let i = 1; i < 1024; ++ i ) { + + let m = i << 13; // zero pad mantissa bits + let e = 0; // zero exponent + + // normalized + while ( ( m & 0x00800000 ) === 0 ) { + + m <<= 1; + e -= 0x00800000; // decrement exponent + + } + + m &= ~ 0x00800000; // clear leading 1 bit + e += 0x38800000; // adjust bias + + mantissaTable[ i ] = m | e; + + } + + for ( let i = 1024; i < 2048; ++ i ) { + + mantissaTable[ i ] = 0x38000000 + ( ( i - 1024 ) << 13 ); + + } + + for ( let i = 1; i < 31; ++ i ) { + + exponentTable[ i ] = i << 23; + + } + + exponentTable[ 31 ] = 0x47800000; + exponentTable[ 32 ] = 0x80000000; + + for ( let i = 33; i < 63; ++ i ) { + + exponentTable[ i ] = 0x80000000 + ( ( i - 32 ) << 23 ); + + } + + exponentTable[ 63 ] = 0xc7800000; + + for ( let i = 1; i < 64; ++ i ) { + + if ( i !== 32 ) { + + offsetTable[ i ] = 1024; + + } + + } + + return { + floatView: floatView, + uint32View: uint32View, + baseTable: baseTable, + shiftTable: shiftTable, + mantissaTable: mantissaTable, + exponentTable: exponentTable, + offsetTable: offsetTable, + }; + +} + +// float32 to float16 + +function toHalfFloat( val ) { + + if ( Math.abs( val ) > 65504 ) console.warn( 'THREE.DataUtils.toHalfFloat(): Value out of range.' ); + + val = clamp( val, - 65504, 65504 ); + + _floatView[ 0 ] = val; + const f = _uint32View[ 0 ]; + const e = ( f >> 23 ) & 0x1ff; + return _baseTable[ e ] + ( ( f & 0x007fffff ) >> _shiftTable[ e ] ); + +} + +// float16 to float32 + +function fromHalfFloat( val ) { + + const m = val >> 10; + _uint32View[ 0 ] = _mantissaTable[ _offsetTable[ m ] + ( val & 0x3ff ) ] + _exponentTable[ m ]; + return _floatView[ 0 ]; + +} + +var DataUtils = /*#__PURE__*/Object.freeze({ + __proto__: null, + toHalfFloat: toHalfFloat, + fromHalfFloat: fromHalfFloat +}); + +// r133, c5bb5434555a3c3ddd784944a0a124f996fc721b + +class ParametricGeometry extends BufferGeometry { + + constructor() { + + console.error( 'THREE.ParametricGeometry has been moved to /examples/jsm/geometries/ParametricGeometry.js' ); + super(); + + } + +} + +// r133, eb58ff153119090d3bbb24474ea0ffc40c70dc92 + +class TextGeometry extends BufferGeometry { + + constructor() { + + console.error( 'THREE.TextGeometry has been moved to /examples/jsm/geometries/TextGeometry.js' ); + super(); + + } + +} + +// r133, eb58ff153119090d3bbb24474ea0ffc40c70dc92 + +function FontLoader() { + + console.error( 'THREE.FontLoader has been moved to /examples/jsm/loaders/FontLoader.js' ); + +} + +// r133, eb58ff153119090d3bbb24474ea0ffc40c70dc92 + +function Font() { + + console.error( 'THREE.Font has been moved to /examples/jsm/loaders/FontLoader.js' ); + +} + +// r134, d65e0af06644fe5a84a6fc0e372f4318f95a04c0 + +function ImmediateRenderObject() { + + console.error( 'THREE.ImmediateRenderObject has been removed.' ); + +} + +// r138, 48b05d3500acc084df50be9b4c90781ad9b8cb17 + +class WebGLMultisampleRenderTarget extends WebGLRenderTarget { + + constructor( width, height, options ) { + + console.error( 'THREE.WebGLMultisampleRenderTarget has been removed. Use a normal render target and set the "samples" property to greater 0 to enable multisampling.' ); + super( width, height, options ); + this.samples = 4; + + } + +} + +// r138, f9cd9cab03b7b64244e304900a3a2eeaa3a588ce + +class DataTexture2DArray extends DataArrayTexture { + + constructor( data, width, height, depth ) { + + console.warn( 'THREE.DataTexture2DArray has been renamed to DataArrayTexture.' ); + super( data, width, height, depth ); + + } + +} + +// r138, f9cd9cab03b7b64244e304900a3a2eeaa3a588ce + +class DataTexture3D extends Data3DTexture { + + constructor( data, width, height, depth ) { + + console.warn( 'THREE.DataTexture3D has been renamed to Data3DTexture.' ); + super( data, width, height, depth ); + + } + +} + +if ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) { + + __THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'register', { detail: { + revision: REVISION, + } } ) ); + +} + +if ( typeof window !== 'undefined' ) { + + if ( window.__THREE__ ) { + + console.warn( 'WARNING: Multiple instances of Three.js being imported.' ); + + } else { + + window.__THREE__ = REVISION; + + } + +} + +export { ACESFilmicToneMapping, AddEquation, AddOperation, AdditiveAnimationBlendMode, AdditiveBlending, AlphaFormat, AlwaysDepth, AlwaysStencilFunc, AmbientLight, AmbientLightProbe, AnimationClip, AnimationLoader, AnimationMixer, AnimationObjectGroup, AnimationUtils, ArcCurve, ArrayCamera, ArrowHelper, Audio, AudioAnalyser, AudioContext, AudioListener, AudioLoader, AxesHelper, BackSide, BasicDepthPacking, BasicShadowMap, Bone, BooleanKeyframeTrack, Box2, Box3, Box3Helper, BoxGeometry as BoxBufferGeometry, BoxGeometry, BoxHelper, BufferAttribute, BufferGeometry, BufferGeometryLoader, ByteType, Cache, Camera, CameraHelper, CanvasTexture, CapsuleGeometry as CapsuleBufferGeometry, CapsuleGeometry, CatmullRomCurve3, CineonToneMapping, CircleGeometry as CircleBufferGeometry, CircleGeometry, ClampToEdgeWrapping, Clock, Color, ColorKeyframeTrack, ColorManagement, CompressedTexture, CompressedTextureLoader, ConeGeometry as ConeBufferGeometry, ConeGeometry, CubeCamera, CubeReflectionMapping, CubeRefractionMapping, CubeTexture, CubeTextureLoader, CubeUVReflectionMapping, CubicBezierCurve, CubicBezierCurve3, CubicInterpolant, CullFaceBack, CullFaceFront, CullFaceFrontBack, CullFaceNone, Curve, CurvePath, CustomBlending, CustomToneMapping, CylinderGeometry as CylinderBufferGeometry, CylinderGeometry, Cylindrical, Data3DTexture, DataArrayTexture, DataTexture, DataTexture2DArray, DataTexture3D, DataTextureLoader, DataUtils, DecrementStencilOp, DecrementWrapStencilOp, DefaultLoadingManager, DepthFormat, DepthStencilFormat, DepthTexture, DirectionalLight, DirectionalLightHelper, DiscreteInterpolant, DodecahedronGeometry as DodecahedronBufferGeometry, DodecahedronGeometry, DoubleSide, DstAlphaFactor, DstColorFactor, DynamicCopyUsage, DynamicDrawUsage, DynamicReadUsage, EdgesGeometry, EllipseCurve, EqualDepth, EqualStencilFunc, EquirectangularReflectionMapping, EquirectangularRefractionMapping, Euler, EventDispatcher, ExtrudeGeometry as ExtrudeBufferGeometry, ExtrudeGeometry, FileLoader, FlatShading, Float16BufferAttribute, Float32BufferAttribute, Float64BufferAttribute, FloatType, Fog, FogExp2, Font, FontLoader, FramebufferTexture, FrontSide, Frustum, GLBufferAttribute, GLSL1, GLSL3, GreaterDepth, GreaterEqualDepth, GreaterEqualStencilFunc, GreaterStencilFunc, GridHelper, Group, HalfFloatType, HemisphereLight, HemisphereLightHelper, HemisphereLightProbe, IcosahedronGeometry as IcosahedronBufferGeometry, IcosahedronGeometry, ImageBitmapLoader, ImageLoader, ImageUtils, ImmediateRenderObject, IncrementStencilOp, IncrementWrapStencilOp, InstancedBufferAttribute, InstancedBufferGeometry, InstancedInterleavedBuffer, InstancedMesh, Int16BufferAttribute, Int32BufferAttribute, Int8BufferAttribute, IntType, InterleavedBuffer, InterleavedBufferAttribute, Interpolant, InterpolateDiscrete, InterpolateLinear, InterpolateSmooth, InvertStencilOp, KeepStencilOp, KeyframeTrack, LOD, LatheGeometry as LatheBufferGeometry, LatheGeometry, Layers, LessDepth, LessEqualDepth, LessEqualStencilFunc, LessStencilFunc, Light, LightProbe, Line, Line3, LineBasicMaterial, LineCurve, LineCurve3, LineDashedMaterial, LineLoop, LineSegments, LinearEncoding, LinearFilter, LinearInterpolant, LinearMipMapLinearFilter, LinearMipMapNearestFilter, LinearMipmapLinearFilter, LinearMipmapNearestFilter, LinearSRGBColorSpace, LinearToneMapping, Loader, LoaderUtils, LoadingManager, LoopOnce, LoopPingPong, LoopRepeat, LuminanceAlphaFormat, LuminanceFormat, MOUSE, Material, MaterialLoader, MathUtils, Matrix3, Matrix4, MaxEquation, Mesh, MeshBasicMaterial, MeshDepthMaterial, MeshDistanceMaterial, MeshLambertMaterial, MeshMatcapMaterial, MeshNormalMaterial, MeshPhongMaterial, MeshPhysicalMaterial, MeshStandardMaterial, MeshToonMaterial, MinEquation, MirroredRepeatWrapping, MixOperation, MultiplyBlending, MultiplyOperation, NearestFilter, NearestMipMapLinearFilter, NearestMipMapNearestFilter, NearestMipmapLinearFilter, NearestMipmapNearestFilter, NeverDepth, NeverStencilFunc, NoBlending, NoColorSpace, NoToneMapping, NormalAnimationBlendMode, NormalBlending, NotEqualDepth, NotEqualStencilFunc, NumberKeyframeTrack, Object3D, ObjectLoader, ObjectSpaceNormalMap, OctahedronGeometry as OctahedronBufferGeometry, OctahedronGeometry, OneFactor, OneMinusDstAlphaFactor, OneMinusDstColorFactor, OneMinusSrcAlphaFactor, OneMinusSrcColorFactor, OrthographicCamera, PCFShadowMap, PCFSoftShadowMap, PMREMGenerator, ParametricGeometry, Path, PerspectiveCamera, Plane, PlaneGeometry as PlaneBufferGeometry, PlaneGeometry, PlaneHelper, PointLight, PointLightHelper, Points, PointsMaterial, PolarGridHelper, PolyhedronGeometry as PolyhedronBufferGeometry, PolyhedronGeometry, PositionalAudio, PropertyBinding, PropertyMixer, QuadraticBezierCurve, QuadraticBezierCurve3, Quaternion, QuaternionKeyframeTrack, QuaternionLinearInterpolant, REVISION, RGBADepthPacking, RGBAFormat, RGBAIntegerFormat, RGBA_ASTC_10x10_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_BPTC_Format, RGBA_ETC2_EAC_Format, RGBA_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGBFormat, RGB_ETC1_Format, RGB_ETC2_Format, RGB_PVRTC_2BPPV1_Format, RGB_PVRTC_4BPPV1_Format, RGB_S3TC_DXT1_Format, RGFormat, RGIntegerFormat, RawShaderMaterial, Ray, Raycaster, RectAreaLight, RedFormat, RedIntegerFormat, ReinhardToneMapping, RepeatWrapping, ReplaceStencilOp, ReverseSubtractEquation, RingGeometry as RingBufferGeometry, RingGeometry, SRGBColorSpace, Scene, ShaderChunk, ShaderLib, ShaderMaterial, ShadowMaterial, Shape, ShapeGeometry as ShapeBufferGeometry, ShapeGeometry, ShapePath, ShapeUtils, ShortType, Skeleton, SkeletonHelper, SkinnedMesh, SmoothShading, Source, Sphere, SphereGeometry as SphereBufferGeometry, SphereGeometry, Spherical, SphericalHarmonics3, SplineCurve, SpotLight, SpotLightHelper, Sprite, SpriteMaterial, SrcAlphaFactor, SrcAlphaSaturateFactor, SrcColorFactor, StaticCopyUsage, StaticDrawUsage, StaticReadUsage, StereoCamera, StreamCopyUsage, StreamDrawUsage, StreamReadUsage, StringKeyframeTrack, SubtractEquation, SubtractiveBlending, TOUCH, TangentSpaceNormalMap, TetrahedronGeometry as TetrahedronBufferGeometry, TetrahedronGeometry, TextGeometry, Texture, TextureLoader, TorusGeometry as TorusBufferGeometry, TorusGeometry, TorusKnotGeometry as TorusKnotBufferGeometry, TorusKnotGeometry, Triangle, TriangleFanDrawMode, TriangleStripDrawMode, TrianglesDrawMode, TubeGeometry as TubeBufferGeometry, TubeGeometry, UVMapping, Uint16BufferAttribute, Uint32BufferAttribute, Uint8BufferAttribute, Uint8ClampedBufferAttribute, Uniform, UniformsLib, UniformsUtils, UnsignedByteType, UnsignedInt248Type, UnsignedIntType, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedShortType, VSMShadowMap, Vector2, Vector3, Vector4, VectorKeyframeTrack, VideoTexture, WebGL1Renderer, WebGL3DRenderTarget, WebGLArrayRenderTarget, WebGLCubeRenderTarget, WebGLMultipleRenderTargets, WebGLMultisampleRenderTarget, WebGLRenderTarget, WebGLRenderer, WebGLUtils, WireframeGeometry, WrapAroundEnding, ZeroCurvatureEnding, ZeroFactor, ZeroSlopeEnding, ZeroStencilOp, _SRGBAFormat, sRGBEncoding }; diff --git a/examples/3rdParty/threejs/examples/jsm/controls/TrackballControls.js b/examples/3rdParty/threejs/examples/jsm/controls/TrackballControls.js new file mode 100644 index 0000000..2710f36 --- /dev/null +++ b/examples/3rdParty/threejs/examples/jsm/controls/TrackballControls.js @@ -0,0 +1,805 @@ +import { + EventDispatcher, + MOUSE, + Quaternion, + Vector2, + Vector3 +} from 'three'; + +const _changeEvent = { type: 'change' }; +const _startEvent = { type: 'start' }; +const _endEvent = { type: 'end' }; + +class TrackballControls extends EventDispatcher { + + constructor( object, domElement ) { + + super(); + + if ( domElement === undefined ) console.warn( 'THREE.TrackballControls: The second parameter "domElement" is now mandatory.' ); + if ( domElement === document ) console.error( 'THREE.TrackballControls: "document" should not be used as the target "domElement". Please use "renderer.domElement" instead.' ); + + const scope = this; + const STATE = { NONE: - 1, ROTATE: 0, ZOOM: 1, PAN: 2, TOUCH_ROTATE: 3, TOUCH_ZOOM_PAN: 4 }; + + this.object = object; + this.domElement = domElement; + this.domElement.style.touchAction = 'none'; // disable touch scroll + + // API + + this.enabled = true; + + this.screen = { left: 0, top: 0, width: 0, height: 0 }; + + this.rotateSpeed = 1.0; + this.zoomSpeed = 1.2; + this.panSpeed = 0.3; + + this.noRotate = false; + this.noZoom = false; + this.noPan = false; + + this.staticMoving = false; + this.dynamicDampingFactor = 0.2; + + this.minDistance = 0; + this.maxDistance = Infinity; + + this.keys = [ 'KeyA' /*A*/, 'KeyS' /*S*/, 'KeyD' /*D*/ ]; + + this.mouseButtons = { LEFT: MOUSE.ROTATE, MIDDLE: MOUSE.DOLLY, RIGHT: MOUSE.PAN }; + + // internals + + this.target = new Vector3(); + + const EPS = 0.000001; + + const lastPosition = new Vector3(); + let lastZoom = 1; + + let _state = STATE.NONE, + _keyState = STATE.NONE, + + _touchZoomDistanceStart = 0, + _touchZoomDistanceEnd = 0, + + _lastAngle = 0; + + const _eye = new Vector3(), + + _movePrev = new Vector2(), + _moveCurr = new Vector2(), + + _lastAxis = new Vector3(), + + _zoomStart = new Vector2(), + _zoomEnd = new Vector2(), + + _panStart = new Vector2(), + _panEnd = new Vector2(), + + _pointers = [], + _pointerPositions = {}; + + // for reset + + this.target0 = this.target.clone(); + this.position0 = this.object.position.clone(); + this.up0 = this.object.up.clone(); + this.zoom0 = this.object.zoom; + + // methods + + this.handleResize = function () { + + const box = scope.domElement.getBoundingClientRect(); + // adjustments come from similar code in the jquery offset() function + const d = scope.domElement.ownerDocument.documentElement; + scope.screen.left = box.left + window.pageXOffset - d.clientLeft; + scope.screen.top = box.top + window.pageYOffset - d.clientTop; + scope.screen.width = box.width; + scope.screen.height = box.height; + + }; + + const getMouseOnScreen = ( function () { + + const vector = new Vector2(); + + return function getMouseOnScreen( pageX, pageY ) { + + vector.set( + ( pageX - scope.screen.left ) / scope.screen.width, + ( pageY - scope.screen.top ) / scope.screen.height + ); + + return vector; + + }; + + }() ); + + const getMouseOnCircle = ( function () { + + const vector = new Vector2(); + + return function getMouseOnCircle( pageX, pageY ) { + + vector.set( + ( ( pageX - scope.screen.width * 0.5 - scope.screen.left ) / ( scope.screen.width * 0.5 ) ), + ( ( scope.screen.height + 2 * ( scope.screen.top - pageY ) ) / scope.screen.width ) // screen.width intentional + ); + + return vector; + + }; + + }() ); + + this.rotateCamera = ( function () { + + const axis = new Vector3(), + quaternion = new Quaternion(), + eyeDirection = new Vector3(), + objectUpDirection = new Vector3(), + objectSidewaysDirection = new Vector3(), + moveDirection = new Vector3(); + + return function rotateCamera() { + + moveDirection.set( _moveCurr.x - _movePrev.x, _moveCurr.y - _movePrev.y, 0 ); + let angle = moveDirection.length(); + + if ( angle ) { + + _eye.copy( scope.object.position ).sub( scope.target ); + + eyeDirection.copy( _eye ).normalize(); + objectUpDirection.copy( scope.object.up ).normalize(); + objectSidewaysDirection.crossVectors( objectUpDirection, eyeDirection ).normalize(); + + objectUpDirection.setLength( _moveCurr.y - _movePrev.y ); + objectSidewaysDirection.setLength( _moveCurr.x - _movePrev.x ); + + moveDirection.copy( objectUpDirection.add( objectSidewaysDirection ) ); + + axis.crossVectors( moveDirection, _eye ).normalize(); + + angle *= scope.rotateSpeed; + quaternion.setFromAxisAngle( axis, angle ); + + _eye.applyQuaternion( quaternion ); + scope.object.up.applyQuaternion( quaternion ); + + _lastAxis.copy( axis ); + _lastAngle = angle; + + } else if ( ! scope.staticMoving && _lastAngle ) { + + _lastAngle *= Math.sqrt( 1.0 - scope.dynamicDampingFactor ); + _eye.copy( scope.object.position ).sub( scope.target ); + quaternion.setFromAxisAngle( _lastAxis, _lastAngle ); + _eye.applyQuaternion( quaternion ); + scope.object.up.applyQuaternion( quaternion ); + + } + + _movePrev.copy( _moveCurr ); + + }; + + }() ); + + + this.zoomCamera = function () { + + let factor; + + if ( _state === STATE.TOUCH_ZOOM_PAN ) { + + factor = _touchZoomDistanceStart / _touchZoomDistanceEnd; + _touchZoomDistanceStart = _touchZoomDistanceEnd; + + if ( scope.object.isPerspectiveCamera ) { + + _eye.multiplyScalar( factor ); + + } else if ( scope.object.isOrthographicCamera ) { + + scope.object.zoom /= factor; + scope.object.updateProjectionMatrix(); + + } else { + + console.warn( 'THREE.TrackballControls: Unsupported camera type' ); + + } + + } else { + + factor = 1.0 + ( _zoomEnd.y - _zoomStart.y ) * scope.zoomSpeed; + + if ( factor !== 1.0 && factor > 0.0 ) { + + if ( scope.object.isPerspectiveCamera ) { + + _eye.multiplyScalar( factor ); + + } else if ( scope.object.isOrthographicCamera ) { + + scope.object.zoom /= factor; + scope.object.updateProjectionMatrix(); + + } else { + + console.warn( 'THREE.TrackballControls: Unsupported camera type' ); + + } + + } + + if ( scope.staticMoving ) { + + _zoomStart.copy( _zoomEnd ); + + } else { + + _zoomStart.y += ( _zoomEnd.y - _zoomStart.y ) * this.dynamicDampingFactor; + + } + + } + + }; + + this.panCamera = ( function () { + + const mouseChange = new Vector2(), + objectUp = new Vector3(), + pan = new Vector3(); + + return function panCamera() { + + mouseChange.copy( _panEnd ).sub( _panStart ); + + if ( mouseChange.lengthSq() ) { + + if ( scope.object.isOrthographicCamera ) { + + const scale_x = ( scope.object.right - scope.object.left ) / scope.object.zoom / scope.domElement.clientWidth; + const scale_y = ( scope.object.top - scope.object.bottom ) / scope.object.zoom / scope.domElement.clientWidth; + + mouseChange.x *= scale_x; + mouseChange.y *= scale_y; + + } + + mouseChange.multiplyScalar( _eye.length() * scope.panSpeed ); + + pan.copy( _eye ).cross( scope.object.up ).setLength( mouseChange.x ); + pan.add( objectUp.copy( scope.object.up ).setLength( mouseChange.y ) ); + + scope.object.position.add( pan ); + scope.target.add( pan ); + + if ( scope.staticMoving ) { + + _panStart.copy( _panEnd ); + + } else { + + _panStart.add( mouseChange.subVectors( _panEnd, _panStart ).multiplyScalar( scope.dynamicDampingFactor ) ); + + } + + } + + }; + + }() ); + + this.checkDistances = function () { + + if ( ! scope.noZoom || ! scope.noPan ) { + + if ( _eye.lengthSq() > scope.maxDistance * scope.maxDistance ) { + + scope.object.position.addVectors( scope.target, _eye.setLength( scope.maxDistance ) ); + _zoomStart.copy( _zoomEnd ); + + } + + if ( _eye.lengthSq() < scope.minDistance * scope.minDistance ) { + + scope.object.position.addVectors( scope.target, _eye.setLength( scope.minDistance ) ); + _zoomStart.copy( _zoomEnd ); + + } + + } + + }; + + this.update = function () { + + _eye.subVectors( scope.object.position, scope.target ); + + if ( ! scope.noRotate ) { + + scope.rotateCamera(); + + } + + if ( ! scope.noZoom ) { + + scope.zoomCamera(); + + } + + if ( ! scope.noPan ) { + + scope.panCamera(); + + } + + scope.object.position.addVectors( scope.target, _eye ); + + if ( scope.object.isPerspectiveCamera ) { + + scope.checkDistances(); + + scope.object.lookAt( scope.target ); + + if ( lastPosition.distanceToSquared( scope.object.position ) > EPS ) { + + scope.dispatchEvent( _changeEvent ); + + lastPosition.copy( scope.object.position ); + + } + + } else if ( scope.object.isOrthographicCamera ) { + + scope.object.lookAt( scope.target ); + + if ( lastPosition.distanceToSquared( scope.object.position ) > EPS || lastZoom !== scope.object.zoom ) { + + scope.dispatchEvent( _changeEvent ); + + lastPosition.copy( scope.object.position ); + lastZoom = scope.object.zoom; + + } + + } else { + + console.warn( 'THREE.TrackballControls: Unsupported camera type' ); + + } + + }; + + this.reset = function () { + + _state = STATE.NONE; + _keyState = STATE.NONE; + + scope.target.copy( scope.target0 ); + scope.object.position.copy( scope.position0 ); + scope.object.up.copy( scope.up0 ); + scope.object.zoom = scope.zoom0; + + scope.object.updateProjectionMatrix(); + + _eye.subVectors( scope.object.position, scope.target ); + + scope.object.lookAt( scope.target ); + + scope.dispatchEvent( _changeEvent ); + + lastPosition.copy( scope.object.position ); + lastZoom = scope.object.zoom; + + }; + + // listeners + + function onPointerDown( event ) { + + if ( scope.enabled === false ) return; + + if ( _pointers.length === 0 ) { + + scope.domElement.setPointerCapture( event.pointerId ); + + scope.domElement.addEventListener( 'pointermove', onPointerMove ); + scope.domElement.addEventListener( 'pointerup', onPointerUp ); + + } + + // + + addPointer( event ); + + if ( event.pointerType === 'touch' ) { + + onTouchStart( event ); + + } else { + + onMouseDown( event ); + + } + + } + + function onPointerMove( event ) { + + if ( scope.enabled === false ) return; + + if ( event.pointerType === 'touch' ) { + + onTouchMove( event ); + + } else { + + onMouseMove( event ); + + } + + } + + function onPointerUp( event ) { + + if ( scope.enabled === false ) return; + + if ( event.pointerType === 'touch' ) { + + onTouchEnd( event ); + + } else { + + onMouseUp(); + + } + + // + + removePointer( event ); + + if ( _pointers.length === 0 ) { + + scope.domElement.releasePointerCapture( event.pointerId ); + + scope.domElement.removeEventListener( 'pointermove', onPointerMove ); + scope.domElement.removeEventListener( 'pointerup', onPointerUp ); + + } + + + } + + function onPointerCancel( event ) { + + removePointer( event ); + + } + + function keydown( event ) { + + if ( scope.enabled === false ) return; + + window.removeEventListener( 'keydown', keydown ); + + if ( _keyState !== STATE.NONE ) { + + return; + + } else if ( event.code === scope.keys[ STATE.ROTATE ] && ! scope.noRotate ) { + + _keyState = STATE.ROTATE; + + } else if ( event.code === scope.keys[ STATE.ZOOM ] && ! scope.noZoom ) { + + _keyState = STATE.ZOOM; + + } else if ( event.code === scope.keys[ STATE.PAN ] && ! scope.noPan ) { + + _keyState = STATE.PAN; + + } + + } + + function keyup() { + + if ( scope.enabled === false ) return; + + _keyState = STATE.NONE; + + window.addEventListener( 'keydown', keydown ); + + } + + function onMouseDown( event ) { + + if ( _state === STATE.NONE ) { + + switch ( event.button ) { + + case scope.mouseButtons.LEFT: + _state = STATE.ROTATE; + break; + + case scope.mouseButtons.MIDDLE: + _state = STATE.ZOOM; + break; + + case scope.mouseButtons.RIGHT: + _state = STATE.PAN; + break; + + } + + } + + const state = ( _keyState !== STATE.NONE ) ? _keyState : _state; + + if ( state === STATE.ROTATE && ! scope.noRotate ) { + + _moveCurr.copy( getMouseOnCircle( event.pageX, event.pageY ) ); + _movePrev.copy( _moveCurr ); + + } else if ( state === STATE.ZOOM && ! scope.noZoom ) { + + _zoomStart.copy( getMouseOnScreen( event.pageX, event.pageY ) ); + _zoomEnd.copy( _zoomStart ); + + } else if ( state === STATE.PAN && ! scope.noPan ) { + + _panStart.copy( getMouseOnScreen( event.pageX, event.pageY ) ); + _panEnd.copy( _panStart ); + + } + + scope.dispatchEvent( _startEvent ); + + } + + function onMouseMove( event ) { + + const state = ( _keyState !== STATE.NONE ) ? _keyState : _state; + + if ( state === STATE.ROTATE && ! scope.noRotate ) { + + _movePrev.copy( _moveCurr ); + _moveCurr.copy( getMouseOnCircle( event.pageX, event.pageY ) ); + + } else if ( state === STATE.ZOOM && ! scope.noZoom ) { + + _zoomEnd.copy( getMouseOnScreen( event.pageX, event.pageY ) ); + + } else if ( state === STATE.PAN && ! scope.noPan ) { + + _panEnd.copy( getMouseOnScreen( event.pageX, event.pageY ) ); + + } + + } + + function onMouseUp() { + + _state = STATE.NONE; + + scope.dispatchEvent( _endEvent ); + + } + + function onMouseWheel( event ) { + + if ( scope.enabled === false ) return; + + if ( scope.noZoom === true ) return; + + event.preventDefault(); + + switch ( event.deltaMode ) { + + case 2: + // Zoom in pages + _zoomStart.y -= event.deltaY * 0.025; + break; + + case 1: + // Zoom in lines + _zoomStart.y -= event.deltaY * 0.01; + break; + + default: + // undefined, 0, assume pixels + _zoomStart.y -= event.deltaY * 0.00025; + break; + + } + + scope.dispatchEvent( _startEvent ); + scope.dispatchEvent( _endEvent ); + + } + + function onTouchStart( event ) { + + trackPointer( event ); + + switch ( _pointers.length ) { + + case 1: + _state = STATE.TOUCH_ROTATE; + _moveCurr.copy( getMouseOnCircle( _pointers[ 0 ].pageX, _pointers[ 0 ].pageY ) ); + _movePrev.copy( _moveCurr ); + break; + + default: // 2 or more + _state = STATE.TOUCH_ZOOM_PAN; + const dx = _pointers[ 0 ].pageX - _pointers[ 1 ].pageX; + const dy = _pointers[ 0 ].pageY - _pointers[ 1 ].pageY; + _touchZoomDistanceEnd = _touchZoomDistanceStart = Math.sqrt( dx * dx + dy * dy ); + + const x = ( _pointers[ 0 ].pageX + _pointers[ 1 ].pageX ) / 2; + const y = ( _pointers[ 0 ].pageY + _pointers[ 1 ].pageY ) / 2; + _panStart.copy( getMouseOnScreen( x, y ) ); + _panEnd.copy( _panStart ); + break; + + } + + scope.dispatchEvent( _startEvent ); + + } + + function onTouchMove( event ) { + + trackPointer( event ); + + switch ( _pointers.length ) { + + case 1: + _movePrev.copy( _moveCurr ); + _moveCurr.copy( getMouseOnCircle( event.pageX, event.pageY ) ); + break; + + default: // 2 or more + + const position = getSecondPointerPosition( event ); + + const dx = event.pageX - position.x; + const dy = event.pageY - position.y; + _touchZoomDistanceEnd = Math.sqrt( dx * dx + dy * dy ); + + const x = ( event.pageX + position.x ) / 2; + const y = ( event.pageY + position.y ) / 2; + _panEnd.copy( getMouseOnScreen( x, y ) ); + break; + + } + + } + + function onTouchEnd( event ) { + + switch ( _pointers.length ) { + + case 0: + _state = STATE.NONE; + break; + + case 1: + _state = STATE.TOUCH_ROTATE; + _moveCurr.copy( getMouseOnCircle( event.pageX, event.pageY ) ); + _movePrev.copy( _moveCurr ); + break; + + case 2: + _state = STATE.TOUCH_ZOOM_PAN; + _moveCurr.copy( getMouseOnCircle( event.pageX - _movePrev.x, event.pageY - _movePrev.y ) ); + _movePrev.copy( _moveCurr ); + break; + + } + + scope.dispatchEvent( _endEvent ); + + } + + function contextmenu( event ) { + + if ( scope.enabled === false ) return; + + event.preventDefault(); + + } + + function addPointer( event ) { + + _pointers.push( event ); + + } + + function removePointer( event ) { + + delete _pointerPositions[ event.pointerId ]; + + for ( let i = 0; i < _pointers.length; i ++ ) { + + if ( _pointers[ i ].pointerId == event.pointerId ) { + + _pointers.splice( i, 1 ); + return; + + } + + } + + } + + function trackPointer( event ) { + + let position = _pointerPositions[ event.pointerId ]; + + if ( position === undefined ) { + + position = new Vector2(); + _pointerPositions[ event.pointerId ] = position; + + } + + position.set( event.pageX, event.pageY ); + + } + + function getSecondPointerPosition( event ) { + + const pointer = ( event.pointerId === _pointers[ 0 ].pointerId ) ? _pointers[ 1 ] : _pointers[ 0 ]; + + return _pointerPositions[ pointer.pointerId ]; + + } + + this.dispose = function () { + + scope.domElement.removeEventListener( 'contextmenu', contextmenu ); + + scope.domElement.removeEventListener( 'pointerdown', onPointerDown ); + scope.domElement.removeEventListener( 'pointercancel', onPointerCancel ); + scope.domElement.removeEventListener( 'wheel', onMouseWheel ); + + scope.domElement.removeEventListener( 'pointermove', onPointerMove ); + scope.domElement.removeEventListener( 'pointerup', onPointerUp ); + + window.removeEventListener( 'keydown', keydown ); + window.removeEventListener( 'keyup', keyup ); + + }; + + this.domElement.addEventListener( 'contextmenu', contextmenu ); + + this.domElement.addEventListener( 'pointerdown', onPointerDown ); + this.domElement.addEventListener( 'pointercancel', onPointerCancel ); + this.domElement.addEventListener( 'wheel', onMouseWheel, { passive: false } ); + + + window.addEventListener( 'keydown', keydown ); + window.addEventListener( 'keyup', keyup ); + + this.handleResize(); + + // force an update at start + this.update(); + + } + +} + +export { TrackballControls }; diff --git a/examples/controllers/direction.html b/examples/controllers/direction.html new file mode 100644 index 0000000..0d8fc0d --- /dev/null +++ b/examples/controllers/direction.html @@ -0,0 +1,53 @@ + + +
+ + \ No newline at end of file diff --git a/examples/custom.html b/examples/custom.html new file mode 100644 index 0000000..211af9f --- /dev/null +++ b/examples/custom.html @@ -0,0 +1,55 @@ + + + + + + muigui - custom + + + + + + \ No newline at end of file diff --git a/examples/js/cube.js b/examples/js/cube.js new file mode 100644 index 0000000..c1bb760 --- /dev/null +++ b/examples/js/cube.js @@ -0,0 +1,101 @@ +import * as THREE from '../3rdParty/threejs/build/three.module.js'; +import {TrackballControls} from '../3rdParty/threejs/examples/jsm/controls/TrackballControls.js'; + +export function cube(canvas) { + const renderer = new THREE.WebGLRenderer({canvas, alpha: true}); + + const scene = new THREE.Scene(); + + const fov = 45; + const aspect = 2; // the canvas default + const near = 0.01; + const far = 15; + const camera = new THREE.PerspectiveCamera(fov, aspect, near, far); + camera.position.set(0, 1, 2); + camera.lookAt(0, 0, 0); + scene.add(camera); + + const controls = new TrackballControls(camera, canvas); + controls.noZoom = true; + controls.noPan = true; + + const light = (() => { + const color = 0xFFFFFF; + const intensity = 1; + const light = new THREE.DirectionalLight(color, intensity); + light.position.set(-1, 2, 4); + camera.add(light); + return light; + })(); + + const meshes = []; + const material = new THREE.MeshPhongMaterial({ + color: 'red', + shininess: 150, + flatShading: true, + }); + + { + const geometry = new THREE.TorusGeometry(0.4, 0.3, 9, 12); + //const geometry = new THREE.BoxGeometry(1, 1, 1); + const mesh = new THREE.Mesh(geometry, material); + scene.add(mesh); + meshes.push(mesh); + } + + if(0){ + const geometry = new THREE.SphereGeometry(0.8, 12, 6); + const mesh = new THREE.Mesh(geometry, material); + mesh.position.x = -1.5; + scene.add(mesh); + meshes.push(mesh); + } + + if(0){ + const geometry = new THREE.TorusGeometry(0.4, 0.3, 6, 12); + const mesh = new THREE.Mesh(geometry, material); + mesh.position.x = 1.5; + scene.add(mesh); + meshes.push(mesh); + } + + function update(time, rect) { + meshes.forEach((mesh, i) => { + mesh.rotation.y = time * .1 * (i + 1); + }); + camera.aspect = rect.width / rect.height; + camera.updateProjectionMatrix(); + controls.handleResize(); + controls.update(); + renderer.render(scene, camera); + }; + + function resizeRendererToDisplaySize(renderer, mult = 1) { + const canvas = renderer.domElement; + const width = canvas.clientWidth * mult; + const height = canvas.clientHeight * mult; + const needResize = canvas.width !== width || canvas.height !== height; + if (needResize) { + renderer.setSize(width, height, false); + } + return needResize; + } + + function render(time) { + time *= 0.001; + + resizeRendererToDisplaySize(renderer, 2); + + const {width, height} = canvas; + update(time, {width, height}); + requestAnimationFrame(render); + } + + requestAnimationFrame(render); + + return { + camera, + light, + material, + }; +} diff --git a/examples/js/index-umd.js b/examples/js/index-umd.js new file mode 100644 index 0000000..6033f92 --- /dev/null +++ b/examples/js/index-umd.js @@ -0,0 +1,647 @@ + +import {cube} from './cube.js'; +import Logger from './logger.js'; +import { + getCSSRulesBySelector, + resizeCanvasToDisplaySize, + hsl, +} from './utils.js'; + +const Direction = GUI.Direction; // from '../../src/controllers/Direction.js'; +const Vec2 = GUI.Vec2; // from '../../src/controllers/Vec2.js'; +const ColorChooser = GUI.ColorChooser; // from '../../src/controllers/ColorChooser.js'; +const RadioGrid = GUI.RadioGrid; // from '../../src/controllers/RadioGrid.js'; +const Slider = GUI.Slider; // from '../../src/controllers/Slider.js'; +const Select = GUI.Select; // from '../../src/controllers/Select.js'; +const Range = GUI.Range; // from '../../src/controllers/Range.js'; +const TextNumber = GUI.TextNumber; // from '../../src/controllers/TextNumber.js'; + +const uiElem = document.querySelector('#ui'); + +const logElem = document.querySelector('#log'); +function logImpl(color, ...args) { + const elem = document.createElement('pre'); + elem.textContent = args.join(' '); + elem.style.color = color; + logElem.appendChild(elem); + if (logElem.children.length > 3) { + logElem.children[0].remove(); + } +} +const log = (...args) => logImpl('inherit', ...args); + +// Using an invisible GUI to get the colors +// In a real app we'd just use the GUI we created +// but I don't want to clutter the other examples. +let uiColors; +const updateUIColors = (() => { + const div = document.createElement('div'); + uiElem.appendChild(div); + const gui = new GUI(div).hide(); + return function updateUIColors() { + uiColors = gui.getColors(); + }; +})(); +updateUIColors(); + +if (false) { + const s = { + speed: 0.5, + color: [0.2, 0.9, 0.5], + }; + const div = document.createElement('div'); + uiElem.appendChild(div); + const gui = new GUI(div); + //gui.add(s, 'speed', {min: 0, max: 100, step: 1}); + gui.addColor(s, 'color'); +} + +if (true) { +{ + const s = { + speed: 0.5, + direction: 45, + friction: 0.01, + fStop: 5.6, + focalLength: 50, + iso: 100, + frame: 200, + run: true, + animal: 'Bird', + dessert: 'Pie', + viscosity: 0.5, + shoes: 1, + hour: 2, + show: () => { + log(JSON.stringify(s)); + }, + background: '#123456', + period1: 1, + period2: 1.37, + name: 'gman', + hobby: 'coding', + propertyWithLongName: 0, + vec: [10, 20], + c2: '#123456', + }; + + for (let i = 0; i < 3; ++i) { + const div = document.createElement('div'); + uiElem.appendChild(div); + const gui = new GUI(div); + gui.add(s, 'speed', 0, 100, 1); + gui.add(s, 'direction', {min: 0, max: 360, step: 1}).listen(); + gui.add(s, 'friction', {min: 0, max: 1}); + gui.addController(new Slider(s, 'fStop', { + min: 0.7, + max: 40, + step: 0.01, + unit: 0.1, + unitSize: 30, + ticksPerUnit: 10, + tickHeight: 0.5, + orientation: 'up', + })); + gui.addController(new Slider(s, 'focalLength', { + min: 6, + max: 800, + step: 1, + unit: 10, + unitSize: 40, + ticksPerUnit: 5, + })); + gui.addController(new Slider(s, 'iso', { + min: 100, + max: 25000, + step: 100, + unit: 200, + unitSize: 4, + ticksPerUnit: 1, + limits: false, + labelFn: () => '', + thicksColor: 'var(--range-color)', + })); + gui.addController(new Slider(s, 'frame', { + min: 100, + max: 25000, + step: 0.5, + unit: 10, + unitSize: 30, + ticksPerUnit: 15, + thicksColor: 'transparent', + })); + + + gui.addDivider(); + gui.add(s, 'run'); + gui.addLabel('Pet'); + gui.addController(new Select(s, 'animal', {keyValues: ['Cat', 'Bird', 'Dog']})).listen(); + gui.addController(new RadioGrid(s, 'dessert', {keyValues: ['Cake', 'Pie', 'Ice Cream', 'Cupcake', 'Brownie'], cols: 2})).listen(); + gui.addController(new Select(s, 'viscosity', {keyValues: [['Slow', 0.1], ['Medium', 0.5], ['Fast', 1.0]]})); + gui.addController(new Select(s, 'shoes', {keyValues: {'Loafers': 0, 'Sandals': 1, 'Sneakers': 2}})); + gui.addColor(s, 'background').onChange((v) => { + document.body.style.backgroundColor = v; + }).listen(); + gui.add(s, 'show', {name: 'Show Current Values'}); + + if (i === 2) { + gui.name('Disabled'); + gui.disable(); + } + + const f = gui.addFolder('Submenu'); + const c = f.addCanvas('signal'); + f.add(s, 'period1', {min: 0.1, max: 4}); + f.add(s, 'period2', {min: 0.1, max: 4}); + f.add(s, 'name').listen(); + f.add(s, 'hobby').onFinishChange(e => log(new Date(), e.value)); + f.add(s, 'propertyWithLongName', ['longNamedEnumThatWillPushSizeTooFar']); + f.addController(new Direction(s, 'direction')).listen(); + f.addController(new Direction(s, 'hour', {step: 360 / 12, conversion: { + to: v => { + const newV = (v - 3) * 360 / 12; + console.log('to:', v, newV); + return newV; + }, + from: v => { + const newV = v * 12 / 360 + 3; + console.log('from:', v, newV); + return [true, newV]; + }, + }})).listen(); + f.addController(new Vec2(s, 'vec', {range: 100})).listen(); + f.addController(new ColorChooser(s, 'c2')).listen(); + + const ctx = c.canvas.getContext('2d'); + let lastY = 0; + let lTime1 = 0; + let lTime2 = 0; + let then = 0; + function draw(now) { + const elapsedTime = now - then; + then = now; + lTime1 += elapsedTime * s.period1; + lTime2 += elapsedTime * s.period2; + const res = 2; + resizeCanvasToDisplaySize(ctx.canvas, res); + + const width = ctx.canvas.width; + const height = ctx.canvas.height; + if (width && height) { + ctx.save(); + ctx.globalCompositeOperation = 'copy'; + ctx.drawImage( + ctx.canvas, + res, 0, width - res, height, + 0, 0, width - res, height); + ctx.clearRect(width - res, 0, res, height); + ctx.globalCompositeOperation = 'source-over'; + ctx.strokeStyle = uiColors.color; + const s1 = Math.sin(lTime1 * 0.01); + const s2 = Math.sin(lTime2 * 0.01); + const newY = height / 2 + (s1 + s2) * (height - 1) / 4; + ctx.beginPath(); + ctx.lineTo(width - res * 2, lastY); + ctx.lineTo(width - 1, newY); + ctx.stroke(); + lastY = newY; + } + requestAnimationFrame(draw); + } + requestAnimationFrame(draw); + } +} + +// Using Sliders +{ + const div = document.createElement('div'); + uiElem.appendChild(div); + const gui = new GUI({parent: div, title: 'Sliders'}); + + const s = { + angleRad: Math.PI, + angleDeg: 180, + tempC: 20, + tempF: 72, + }; + const logger = new Logger(3); + const log = logger.log; + + gui.add([1], '0', {min: 0, max: 1}).name('0 ↔ 1'); + gui.add([100], '0', {min: 0, max: 200}).name('0 ↔ 200'); + gui.add([100000], '0', {min: 0, max: 1000000}).name('0 ↔ 1000000'); + gui.add([1e+30], '0', {min: -1e+50, max: 1e+50}).name('-1e+50 ↔ 1e+50'); + + const degToRad = d => d * Math.PI / 180; + const radToDeg = r => r * 180 / Math.PI; + gui.add(s, 'angleRad', {min: -360, max: 360, step: 1, converters: {to: radToDeg, from: v => [true, degToRad(v)]}}) + .name('rad ↔ deg') + .onChange(v => log('rad:', v)); + gui.add(s, 'angleDeg', {min: -Math.PI * 2, max: Math.PI * 2, step: 0.001, converters: {to: degToRad, from: v => [true, radToDeg(v)]}}) + .name('deg ↔ rad') + .onChange(v => log('deg:', v)); + + const cToF = c => (c * (212 - 32) / 100) + 32; + const fToC = f => (f - 32) * 100 / (212 - 32); + gui.add(s, 'tempC', {min: 32, max: 212, step: 0.1, converters: {to: cToF, from: v => [true, fToC(v)]}}) + .name('C° ↔ F°') + .onChange(v => log(`${v}C°`)); + gui.add(s, 'tempF', {min: 0, max: 100, step: 0.1, converters: {to: fToC, from: v => [true, cToF(v)]}}) + .name('F° ↔ C°') + .onChange(v => log(`${v}F°`)); + + logger.setController(gui.addLabel('')); +} + +// Using TextNumber +{ + const div = document.createElement('div'); + uiElem.appendChild(div); + const gui = new GUI({parent: div, title: 'Numbers'}); + + const s = { + angleRad: Math.PI, + angleDeg: 180, + tempC: 20, + tempF: 72, + }; + const logger = new Logger(3); + const log = logger.log; + + gui.addController(new TextNumber([123], '0')) + .name('xxx') + .onChange(v => log(v)); + gui.add(new TextNumber([456.78], '0')) + .name('xxx.xx') + .onChange(v => log(v)); + + const degToRad = d => d * Math.PI / 180; + const radToDeg = r => r * 180 / Math.PI; + gui.add(new TextNumber(s, 'angleRad', {converters: {to: radToDeg, from: v => [true, degToRad(v)]}, step: 1})) + .name('rad ↔ deg') + .onChange(v => log('rad:', v)); + gui.add(new TextNumber(s, 'angleDeg', {converters: {to: degToRad, from: v => [true, radToDeg(v)]}, step: 0.001})) + .name('deg ↔ rad') + .onChange(v => log('deg:', v)); + + const cToF = c => (c * (212 - 32) / 100) + 32; + const fToC = f => (f - 32) * 100 / (212 - 32); + gui.add(new TextNumber(s, 'tempC', {converters: {to: cToF, from: v => [true, fToC(v)]}, step: 0.1})) + .name('C° ↔ F°') + .onChange(v => log(`${v}C°`)); + gui.add(new TextNumber(s, 'tempF', {converters: {to: fToC, from: v => [true, cToF(v)]}, step: 0.1})) + .name('F° ↔ C°') + .onChange(v => log(`${v}F°`)); + + logger.setController(gui.addLabel('')); +} + +{ + const div = document.createElement('div'); + uiElem.appendChild(div); + const gui = new GUI({parent: div, title: 'Callbacks'}); + + const changes = { onChange: 0, onFinishChange: 0 }; + const change = () => changes.onChange++; + const finishChange = () => changes.onFinishChange++; + + const folder = gui.addFolder('Counts'); + folder.add(changes, 'onChange').disable().listen(); + folder.add(changes, 'onFinishChange').disable().listen(); + + // gui.add(objectToEdit, propName, ...) + gui.add({Number: 0}, 'Number').onChange(change).onFinishChange(finishChange); + gui.add({String: 'foo'}, 'String').onChange(change).onFinishChange(finishChange); + gui.add({Boolean: true}, 'Boolean').onChange(change).onFinishChange(finishChange); + gui.add({Slider: 0}, 'Slider', {min: 0, max: 1}).onChange(change).onFinishChange(finishChange); + gui.add({Select: 'pear'}, 'Select', ['apple', 'banana', 'pear']).onChange(change).onFinishChange(finishChange); + gui.addColor({Color: '#FEDCBA'}, 'Color').onChange(change).onFinishChange(finishChange); + gui.add({func() {}}, 'func').onChange(change).onFinishChange(finishChange); +} + +{ + const div = document.createElement('div'); + uiElem.appendChild(div); + const gui = new GUI(div).name('Colors'); + + const logger = new Logger(3); + const log = logger.log; + const f3 = v => +v.toFixed(3); + + const addColor = (label, color, format, formatter = JSON.stringify) => { + const c = {color}; + gui.addColor(c, 'color', {format}) + .name(label) + .onChange(v => log(formatter(v))); + }; + + addColor('"#RRGGBB"', '#569AEF'); + addColor('"RRGGBB"', 'EF569A'); + addColor('"#RGB"', '#F88'); + addColor('"RGB"', '8F8'); + addColor('"rgb(r, g, b)"', 'rgb(170,68,240)'); + addColor('"hsl(h, s, l)"', 'hsl(170,100%,50%)'); + addColor('0xRRGGBB', 0xFEA956, undefined, v => `0x${v.toString(16).padStart(6, '0')}`); + addColor('[r(u8), b(u8), c(u8)]', [255, 192, 255], 'uint8-rgb'); + addColor('Uint8Array(3)', new Uint8Array([75, 150, 225]), undefined, v => `[${v.join(', ')}]`); + // note: Because it's Float32Array, if we just use map it won't work because + // map of a Float32Array creates a new Float32Array where as we want an array + // of strings so we can format them for the log. + addColor('Float32Array(3)', new Float32Array([0.9, 0.7, 0.5]), undefined, v => `[${Array.from(v).map(v => f3(v)).join(', ')}]`); + addColor('[r(f), g(f), b(f)]', [0.2, 0.9, 0.5], undefined, v => `[${v.map(v => f3(v))}]`); + addColor('{r, g, b}', {r: 0, g: 0, b: 1}, undefined, v => `{r: ${f3(v.r)}, g: ${f3(v.g)}, b: ${f3(v.b)}}`); + logger.setController(gui.addLabel('')); +} + +{ + const div = document.createElement('div'); + uiElem.appendChild(div); + const gui = new GUI(div).name('Material'); + + const s = cube(gui.addCanvas('canvas').canvas); + gui.addColor(s.material, 'color').name('material color'); + gui.add(s.material, 'shininess', {min: 0, max: 300}); + gui.addColor(s.light, 'color').name('light color'); + gui.add(s.light, 'intensity', {min: 0, max: 5, step: 0.01}); + gui.add(s.camera, 'fov', {min: 1, max: 179}).name('field of view'); +} + +{ + const div = document.createElement('div'); + uiElem.appendChild(div); + const gui = new GUI({parent: div, title: 'Add/Remove'}); + const c = gui.addCanvas('waves'); + const controllers = []; + const periods = []; + + function addRow() { + const id = controllers.length; + periods.push(Math.random() * 2.5 + 0.5); + controllers.push(gui.add(periods, id, 0, 3).name(`input ${id + 1}`)); + } + + function delRow() { + const row = controllers.pop(); + if (row) { + periods.pop(); + gui.remove(row); + } + } + + const s = {separate: true}; + gui.add(s, 'separate'); + gui.add({Add: addRow}, 'Add'); + gui.add({Del: delRow}, 'Del'); + addRow(); + addRow(); + addRow(); + + const ctx = c.canvas.getContext('2d'); + let then = 0; + let ticks = 0; + const lastYs = []; + const times = []; + + function draw(now) { + ++ticks; + const elapsedTime = now - then; + then = now; + + const res = 2; + resizeCanvasToDisplaySize(ctx.canvas, 2); + + const rowsNeeded = controllers.length - lastYs.length; + if (rowsNeeded > 0) { + lastYs.push(...(new Array(rowsNeeded).fill(0))); + times.push(...(new Array(rowsNeeded).fill(0))); + } + + const width = ctx.canvas.width; + const height = ctx.canvas.height; + if (width && height) { + ctx.globalCompositeOperation = 'copy'; + ctx.drawImage( + ctx.canvas, + res, 0, width - res, height, + 0, 0, width - res, height); + ctx.globalCompositeOperation = 'source-over'; + const x = width - res; + ctx.fillStyle = ticks % 16 === 0 ? uiColors.menuSepColor : uiColors.menuBgColor; + ctx.fillRect(x, 0, res, height); + ctx.fillStyle = uiColors.menuSepColor; + for (let y = 8; y < height; y += 16) { + ctx.fillRect(x, y, 1, 1); + } + for (let i = 0; i < controllers.length; ++i) { + const l = i / controllers.length; + const scale = s.separate ? 1 / controllers.length : 1; + ctx.save(); + if (s.separate) { + ctx.translate(0, l * height); + ctx.scale(1, scale); + } + times[i] += elapsedTime * periods[i]; + const sine = Math.sin(times[i] * 0.01); + const lastY = lastYs[i]; + const newY = height / 2 + sine * (height - 2) / 2; + + ctx.strokeStyle = hsl(l, 1, 0.7); + ctx.beginPath(); + ctx.lineWidth = 2; + ctx.lineTo(x - 1, lastY); + ctx.lineTo(x, newY); + ctx.stroke(); + //ctx.fillRect(x, Math.min(lastY, newY), 1, Math.abs(lastY - newY) + 1 / scale); + lastYs[i] = newY; + ctx.restore(); + } + } + requestAnimationFrame(draw); + } + requestAnimationFrame(draw); +} + +{ + function makeGUI(title, num) { + const gui = new GUI({title}).hide(); + for (let i = 0; i < num; ++i) { + gui.add([Math.random()], '0', {min: 0, max: 1}).name(`value ${i}`); + } + return gui; + } + + const guis = { + short: makeGUI('Short', 5), + long: makeGUI('Long', 150), + }; + + const div = document.createElement('div'); + uiElem.appendChild(div); + const gui = new GUI({parent: div, title: 'AutoPlace'}); + gui.add({option: 'none'}, 'option', ['none', 'short', 'long']) + .onChange(v => { + for (const [name, gui] of Object.entries(guis)) { + gui.show(name === v); + } + }); +} + +const updateAppearance = function() { + + const themeElem = document.createElement('style'); + document.head.appendChild(themeElem); + const styleElem = document.createElement('style'); + document.head.appendChild(styleElem); + + const themes = { + default: '', + 'default-mono': ` + .muigui { + --font-family: Menlo, Monaco, Consolas, "Droid Sans Mono", monospace; + } + `, + light: ` + .muigui { + --bg-color: #f6f6f6; + --color: #3d3d3d; + --value-color: #2b95a1; + --value-bg-color: #e8e8e8; + --disabled-color: #cccccc; + --menu-bg-color: #eeeeee; + --menu-sep-color: #bbbbbb; + --hover-bg-color: #f0f0f0; + --invalid-color: #FF0000; + --selected-color: rgba(0, 0, 0, 0.1); + } + `, + 'solarized-light': ` + .muigui { + --bg-color: #fdf6e3; + --color: #657b83; + --value-color: #2aa0f3; + --value-bg-color: #e8e8e8; + --disabled-color: #cccccc; + --menu-bg-color: #f5efdc; + --menu-sep-color: #bbbbbb; + --hover-bg-color: #e7e1cf; + --invalid-color: #FF0000; + --selected-color: rgba(0, 0, 0, 0.1); + } + `, + 'solarized-dark': ` + .muigui { + --bg-color: #002b36; + --color: #b2c2c2; + --value-color: #5abaff; + --value-bg-color: #094e5f; + --disabled-color: #3876a1; + --menu-bg-color: #001f27; + --menu-sep-color: #004e62; + --hover-bg-color: #0a6277; + --invalid-color: #FF6666; + } + `, + 'bubble-dark': ` + .muigui { + --border-radius: 1em; + } + `, + 'form': ` + :root { + color-scheme: light dark, + } + .muigui { + --width: 600px; + --font-family: inherit; + --font-size: medium; + --font-family-mono: inherit; + --font-size-mono: medium; + --bg-color: inherit; + --color: inherit; + + --value-color: #2b95a1; + --value-bg-color: #e8e8e8; + --disabled-color: #cccccc; + --menu-bg-color: #eeeeee; + --menu-sep-color: #bbbbbb; + --hover-bg-color: #f0f0f0; + --invalid-color: #FF0000; + --selected-color: rgba(0, 0, 0, 0.1); + + } + `, + }; + + const div = document.createElement('div'); + uiElem.appendChild(div); + const gui = new GUI(div).name('Appearance'); + gui.addController(new Select({theme: 'default'}, 'theme', {keyValues: [...Object.keys(themes)]})).onChange(v => { + themeElem.textContent = themes[v]; + styleElem.textContent = ''; + updateAppearance(); + }); + + const cssStringToHexColor = s => s.length === 7 + ? s + : `#${s[1]}${s[1]}${s[2]}${s[2]}${s[3]}${s[3]}`; + + const fns = { + '--width': (v) => { + uiElem.style.columnWidth = v; + uiElem.parentElement.style.gridTemplateColumns = `repeat(auto-fit, ${v})`; + }, + }; + + const folder = gui.addFolder('Style'); + const rule = getCSSRulesBySelector('.muigui')[0]; // assuming the first one + const varNames = Object.values(rule.style).filter(s => s.startsWith('--')); + const obj = {}; + const controllersByKey = {}; + + const updateStyles = () => { + styleElem.textContent = `.muigui {\n${ + [...Object.entries(obj)].map(([key, value]) => { + return `${key}: ${value};`; + }).join('\n')}\n}`; + updateUIColors(); + }; + + for (const key of varNames) { + const value = rule.style.getPropertyValue(key).trim(); + if (value.startsWith('#')) { + obj[key] = cssStringToHexColor(value); + controllersByKey[key] = folder.addColor(obj, key).onChange(updateStyles); + } else if (!value.startsWith('var')){ + obj[key] = value; + controllersByKey[key] = folder.add(obj, key).onChange(v => { + const fn = fns[key]; + if (fn) { + fn(v); + } + updateStyles(); + }); + } + } + + return function() { + const map = new Map(); + for (const rule of getCSSRulesBySelector('.muigui')) { + const varNames = Object.values(rule.style).filter(s => s.startsWith('--')); + for (const key of varNames) { + const value = rule.style.getPropertyValue(key).trim(); + map.set(key, value); + } + } + map.forEach((value, key) => { + const controller = controllersByKey[key]; + if (controller) { + controller.setValue(value); + } else { + console.warn(`no setting in this theme for: ${key}`); + } + }); + updateUIColors(); + }; +}(); + +} diff --git a/examples/js/index.js b/examples/js/index.js new file mode 100644 index 0000000..263e0b3 --- /dev/null +++ b/examples/js/index.js @@ -0,0 +1,804 @@ + +import {GUI} from '../../src/muigui.js'; +import {cube} from './cube.js'; +import Logger from './logger.js'; +import { + getCSSRulesBySelector, + resizeCanvasToDisplaySize, + hsl, +} from './utils.js'; + +import Direction from '../../src/controllers/Direction.js'; +import Vec2 from '../../src/controllers/Vec2.js'; +import ColorChooser from '../../src/controllers/ColorChooser.js'; +import RadioGrid from '../../src/controllers/RadioGrid.js'; +import Slider from '../../src/controllers/Slider.js'; +import Select from '../../src/controllers/Select.js'; +// import Range from '../../src/controllers/Range.js'; +import TextNumber from '../../src/controllers/TextNumber.js'; + +const uiElem = document.querySelector('#ui'); + +const logElem = document.querySelector('#log'); +function logImpl(color, ...args) { + const elem = document.createElement('pre'); + elem.textContent = args.join(' '); + elem.style.color = color; + logElem.appendChild(elem); + if (logElem.children.length > 3) { + logElem.children[0].remove(); + } +} +const log = (...args) => logImpl('inherit', ...args); + +// Using an invisible GUI to get the colors +// In a real app we'd just use the GUI we created +// but I don't want to clutter the other examples. +let uiCSSColorVariableNames; +const getListOfUIColorCSSVariableNames = (() => { + const div = document.createElement('div'); + uiElem.appendChild(div); + const gui = new GUI(div).hide(); + return function updateUIColors() { + uiCSSColorVariableNames = gui.getColors(); + }; +})(); +getListOfUIColorCSSVariableNames(); + +// eslint-disable-next-line no-constant-condition +if (false) { + const s = { + speed: 0.5, + color: [0.2, 0.9, 0.5], + }; + const div = document.createElement('div'); + uiElem.appendChild(div); + const gui = new GUI(div); + //gui.add(s, 'speed', {min: 0, max: 100, step: 1}); + gui.addColor(s, 'color'); +} + +// eslint-disable-next-line no-constant-condition +const showUI = true; +if (showUI) { + const s = { + speed: 0.5, + direction: 45, + friction: 0.01, + fStop: 5.6, + focalLength: 50, + iso: 100, + frame: 200, + run: true, + animal: 'Bird', + dessert: 'Pie', + viscosity: 0.5, + shoes: 1, + hour: 2, + show: () => { + log(JSON.stringify(s)); + }, + background: '#123456', + period1: 1, + period2: 1.37, + name: 'gman', + hobby: 'coding', + propertyWithLongName: 0, + vec: [10, 20], + c2: '#123456', + }; + + for (let i = 0; i < 3; ++i) { + const div = document.createElement('div'); + uiElem.appendChild(div); + const gui = new GUI(div); + gui.add(s, 'speed', 0, 100, 1); + gui.add(s, 'direction', {min: 0, max: 360, step: 1}).listen(); + gui.add(s, 'friction', {min: 0, max: 1}); + gui.addController(new Slider(s, 'fStop', { + min: 0.7, + max: 40, + step: 0.01, + unit: 0.1, + unitSize: 30, + ticksPerUnit: 10, + tickHeight: 0.5, + orientation: 'up', + })); + gui.addController(new Slider(s, 'focalLength', { + min: 6, + max: 800, + step: 1, + unit: 10, + unitSize: 40, + ticksPerUnit: 5, + })); + gui.addController(new Slider(s, 'iso', { + min: 100, + max: 25000, + step: 100, + unit: 200, + unitSize: 4, + ticksPerUnit: 1, + limits: false, + labelFn: () => '', + thicksColor: 'var(--range-color)', + })); + gui.addController(new Slider(s, 'frame', { + min: 100, + max: 25000, + step: 0.5, + unit: 10, + unitSize: 30, + ticksPerUnit: 15, + thicksColor: 'transparent', + })); + + gui.addDivider(); + gui.add(s, 'run'); + gui.addLabel('Pet'); + gui.addController(new Select(s, 'animal', {keyValues: ['Cat', 'Bird', 'Dog']})).listen(); + gui.addController(new RadioGrid(s, 'dessert', {keyValues: ['Cake', 'Pie', 'Ice Cream', 'Cupcake', 'Brownie'], cols: 2})).listen(); + gui.addController(new Select(s, 'viscosity', {keyValues: [['Slow', 0.1], ['Medium', 0.5], ['Fast', 1.0]]})); + gui.addController(new Select(s, 'shoes', {keyValues: {'Loafers': 0, 'Sandals': 1, 'Sneakers': 2}})); + gui.addColor(s, 'background').onChange((v) => { + document.body.style.backgroundColor = v; + }).listen(); + gui.add(s, 'show', {name: 'Show Current Values'}); + gui.add({updateDisplay: () => gui.updateDisplay()}, 'updateDisplay'); + + if (i === 2) { + gui.name('Disabled'); + gui.disable(); + } + + const f = gui.addFolder('Submenu'); + const c = f.addCanvas('signal'); + f.add(s, 'period1', {min: 0.1, max: 4}); + f.add(s, 'period2', {min: 0.1, max: 4}); + f.add(s, 'name').listen(); + f.add(s, 'hobby').onFinishChange(e => log(new Date(), e.value)); + f.add(s, 'propertyWithLongName', ['longNamedEnumThatWillPushSizeTooFar']); + f.addController(new Direction(s, 'direction')).listen(); + f.addController(new Direction(s, 'hour', { + step: 360 / 12, conversion: { + to: v => { + const newV = (v - 3) * 360 / 12; + console.log('to:', v, newV); + return newV; + }, + from: v => { + const newV = v * 12 / 360 + 3; + console.log('from:', v, newV); + return [true, newV]; + }, + }, + })).listen(); + f.addController(new Vec2(s, 'vec', {range: 100})).listen(); + f.addController(new ColorChooser(s, 'c2'));//.listen(); + + const ctx = c.canvas.getContext('2d'); + let lastY = 0; + let lTime1 = 0; + let lTime2 = 0; + let then = 0; + function draw(now) { + const elapsedTime = now - then; + then = now; + lTime1 += elapsedTime * s.period1; + lTime2 += elapsedTime * s.period2; + const res = 2; + resizeCanvasToDisplaySize(ctx.canvas, res); + + const width = ctx.canvas.width; + const height = ctx.canvas.height; + if (width && height) { + ctx.save(); + ctx.globalCompositeOperation = 'copy'; + ctx.drawImage( + ctx.canvas, + res, 0, width - res, height, + 0, 0, width - res, height); + ctx.clearRect(width - res, 0, res, height); + ctx.globalCompositeOperation = 'source-over'; + ctx.strokeStyle = uiCSSColorVariableNames.color; + const s1 = Math.sin(lTime1 * 0.01); + const s2 = Math.sin(lTime2 * 0.01); + const newY = height / 2 + (s1 + s2) * (height - 1) / 4; + ctx.beginPath(); + ctx.lineTo(width - res * 2, lastY); + ctx.lineTo(width - 1, newY); + ctx.stroke(); + lastY = newY; + } + requestAnimationFrame(draw); + } + requestAnimationFrame(draw); + } +} + +// Using Sliders +if (showUI) { + const div = document.createElement('div'); + uiElem.appendChild(div); + const gui = new GUI({parent: div, title: 'Sliders'}); + + const s = { + angleRad: Math.PI, + angleDeg: 180, + tempC: 20, + tempF: 72, + }; + const logger = new Logger(3); + const log = logger.log; + + gui.add([1], '0', {min: 0, max: 1}).name('0 ↔ 1'); + gui.add([100], '0', {min: 0, max: 200}).name('0 ↔ 200'); + gui.add([100000], '0', {min: 0, max: 1000000}).name('0 ↔ 1000000'); + gui.add([1e+30], '0', {min: -1e+50, max: 1e+50}).name('-1e+50 ↔ 1e+50'); + + const degToRad = d => d * Math.PI / 180; + const radToDeg = r => r * 180 / Math.PI; + gui.add(s, 'angleRad', {min: -360, max: 360, step: 1, converters: {to: radToDeg, from: v => [true, degToRad(v)]}}) + .name('rad ↔ deg') + .onChange(v => log('rad:', v)); + gui.add(s, 'angleDeg', {min: -Math.PI * 2, max: Math.PI * 2, step: 0.001, converters: {to: degToRad, from: v => [true, radToDeg(v)]}}) + .name('deg ↔ rad') + .onChange(v => log('deg:', v)); + + const cToF = c => (c * (212 - 32) / 100) + 32; + const fToC = f => (f - 32) * 100 / (212 - 32); + gui.add(s, 'tempC', {min: 32, max: 212, step: 0.1, converters: {to: cToF, from: v => [true, fToC(v)]}}) + .name('C° ↔ F°') + .onChange(v => log(`${v}C°`)); + gui.add(s, 'tempF', {min: 0, max: 100, step: 0.1, converters: {to: fToC, from: v => [true, cToF(v)]}}) + .name('F° ↔ C°') + .onChange(v => log(`${v}F°`)); + + logger.setController(gui.addLabel('')); +} + +// Using TextNumber +if (showUI) { + const div = document.createElement('div'); + uiElem.appendChild(div); + const gui = new GUI({parent: div, title: 'Numbers'}); + + const s = { + angleRad: Math.PI, + angleDeg: 180, + tempC: 20, + tempF: 72, + }; + const logger = new Logger(3); + const log = logger.log; + + gui.addController(new TextNumber([123], '0')) + .name('xxx') + .onChange(v => log(v)); + gui.add(new TextNumber([456.78], '0')) + .name('xxx.xx') + .onChange(v => log(v)); + + const degToRad = d => d * Math.PI / 180; + const radToDeg = r => r * 180 / Math.PI; + gui.add(new TextNumber(s, 'angleRad', {converters: {to: radToDeg, from: v => [true, degToRad(v)]}, step: 1})) + .name('rad ↔ deg') + .onChange(v => log('rad:', v)); + gui.add(new TextNumber(s, 'angleDeg', {converters: {to: degToRad, from: v => [true, radToDeg(v)]}, step: 0.001})) + .name('deg ↔ rad') + .onChange(v => log('deg:', v)); + + const cToF = c => (c * (212 - 32) / 100) + 32; + const fToC = f => (f - 32) * 100 / (212 - 32); + gui.add(new TextNumber(s, 'tempC', {converters: {to: cToF, from: v => [true, fToC(v)]}, step: 0.1})) + .name('C° ↔ F°') + .onChange(v => log(`${v}C°`)); + gui.add(new TextNumber(s, 'tempF', {converters: {to: fToC, from: v => [true, cToF(v)]}, step: 0.1})) + .name('F° ↔ C°') + .onChange(v => log(`${v}F°`)); + + logger.setController(gui.addLabel('')); +} + +if (showUI) { + const div = document.createElement('div'); + uiElem.appendChild(div); + const gui = new GUI({parent: div, title: 'Callbacks'}); + + const changes = { onChange: 0, onFinishChange: 0 }; + const change = () => changes.onChange++; + const finishChange = () => changes.onFinishChange++; + + const folder = gui.addFolder('Counts'); + folder.add(changes, 'onChange').disable().listen(); + folder.add(changes, 'onFinishChange').disable().listen(); + + // gui.add(objectToEdit, propName, ...) + gui.add({Number: 0}, 'Number').onChange(change).onFinishChange(finishChange); + gui.add({String: 'foo'}, 'String').onChange(change).onFinishChange(finishChange); + gui.add({Boolean: true}, 'Boolean').onChange(change).onFinishChange(finishChange); + gui.add({Slider: 0}, 'Slider', {min: 0, max: 1}).onChange(change).onFinishChange(finishChange); + gui.add({Select: 'pear'}, 'Select', ['apple', 'banana', 'pear']).onChange(change).onFinishChange(finishChange); + gui.addColor({Color: '#FEDCBA'}, 'Color').onChange(change).onFinishChange(finishChange); + gui.add({func() {}}, 'func').onChange(change).onFinishChange(finishChange); +} + +if (showUI) { + const div = document.createElement('div'); + uiElem.appendChild(div); + const gui = new GUI(div).name('Colors'); + + const logger = new Logger(3); + const log = logger.log; + const f3 = v => +v.toFixed(3); + + const addColor = (label, color, format, formatter = JSON.stringify) => { + const c = {color}; + gui.addColor(c, 'color', {format}) + .name(label) + .onChange(v => log(formatter(v))); + }; + + addColor('"#RRGGBB"', '#569AEF'); + addColor('"RRGGBB"', 'EF569A'); + addColor('"#RGB"', '#F88'); + addColor('"RGB"', '8F8'); + addColor('"rgb(r, g, b)"', 'rgb(170,68,240)'); + addColor('"hsl(h, s, l)"', 'hsl(170,100%,50%)'); + addColor('0xRRGGBB', 0xFEA956, 'uint32-rgb', v => `0x${v.toString(16).padStart(6, '0')}`); + addColor('[r(u8), b(u8), c(u8)]', [255, 192, 255], 'uint8-rgb'); + addColor('Uint8Array(3)', new Uint8Array([75, 150, 225]), undefined, v => `[${v.join(', ')}]`); + // note: Because it's Float32Array, if we just use map it won't work because + // map of a Float32Array creates a new Float32Array where as we want an array + // of strings so we can format them for the log. + addColor('Float32Array(3)', new Float32Array([0.9, 0.7, 0.5]), undefined, v => `[${Array.from(v).map(v => f3(v)).join(', ')}]`); + addColor('[r(f), g(f), b(f)]', [0.2, 0.9, 0.5], undefined, v => `[${v.map(v => f3(v))}]`); + addColor('{r, g, b}', {r: 0, g: 0, b: 1}, undefined, v => `{r: ${f3(v.r)}, g: ${f3(v.g)}, b: ${f3(v.b)}}`); + gui.addLabel('rgba'); + addColor('#RRGGBBAA', '#5438a180'); + addColor('0xRRGGBBAA', 0xEF569A80, 'uint32-rgba'); + addColor('rgba(r, g, b, a)', 'rgba(64, 128, 255, 0.25)'); + addColor('hsl(h, s, l / a)', 'hsl(180 100% 50% / 0.75)'); + logger.setController(gui.addLabel('')); +} + +if (showUI) { + const div = document.createElement('div'); + uiElem.appendChild(div); + const gui = new GUI(div).name('Material'); + + const s = cube(gui.addCanvas('canvas').canvas); + gui.addColor(s.material, 'color').name('material color'); + gui.add(s.material, 'shininess', {min: 0, max: 300}); + gui.addColor(s.light, 'color').name('light color'); + gui.add(s.light, 'intensity', {min: 0, max: 5, step: 0.01}); + gui.add(s.camera, 'fov', {min: 1, max: 179}).name('field of view'); +} + +if (showUI) { + const div = document.createElement('div'); + uiElem.appendChild(div); + const gui = new GUI({parent: div, title: 'Add/Remove'}); + const c = gui.addCanvas('waves'); + const controllers = []; + const periods = []; + + function addRow() { + const id = controllers.length; + periods.push(Math.random() * 2.5 + 0.5); + controllers.push(gui.add(periods, id, 0, 3).name(`input ${id + 1}`)); + } + + function delRow() { + const row = controllers.pop(); + if (row) { + periods.pop(); + gui.remove(row); + } + } + + const s = {separate: true}; + gui.add(s, 'separate'); + gui.add({Add: addRow}, 'Add'); + gui.add({Del: delRow}, 'Del'); + addRow(); + addRow(); + addRow(); + + const ctx = c.canvas.getContext('2d'); + let then = 0; + let ticks = 0; + const lastYs = []; + const times = []; + + function draw(now) { + ++ticks; + const elapsedTime = now - then; + then = now; + + const res = 2; + resizeCanvasToDisplaySize(ctx.canvas, 2); + + const rowsNeeded = controllers.length - lastYs.length; + if (rowsNeeded > 0) { + lastYs.push(...(new Array(rowsNeeded).fill(0))); + times.push(...(new Array(rowsNeeded).fill(0))); + } + + const width = ctx.canvas.width; + const height = ctx.canvas.height; + if (width && height) { + ctx.globalCompositeOperation = 'copy'; + ctx.drawImage( + ctx.canvas, + res, 0, width - res, height, + 0, 0, width - res, height); + ctx.globalCompositeOperation = 'source-over'; + const x = width - res; + ctx.fillStyle = ticks % 16 === 0 ? uiCSSColorVariableNames.menuSepColor : uiCSSColorVariableNames.menuBgColor; + ctx.fillRect(x, 0, res, height); + ctx.fillStyle = uiCSSColorVariableNames.menuSepColor; + for (let y = 8; y < height; y += 16) { + ctx.fillRect(x, y, 1, 1); + } + for (let i = 0; i < controllers.length; ++i) { + const l = i / controllers.length; + const scale = s.separate ? 1 / controllers.length : 1; + ctx.save(); + if (s.separate) { + ctx.translate(0, l * height); + ctx.scale(1, scale); + } + times[i] += elapsedTime * periods[i]; + const sine = Math.sin(times[i] * 0.01); + const lastY = lastYs[i]; + const newY = height / 2 + sine * (height - 2) / 2; + + ctx.strokeStyle = hsl(l, 1, 0.7); + ctx.beginPath(); + ctx.lineWidth = 2; + ctx.lineTo(x - 1, lastY); + ctx.lineTo(x, newY); + ctx.stroke(); + //ctx.fillRect(x, Math.min(lastY, newY), 1, Math.abs(lastY - newY) + 1 / scale); + lastYs[i] = newY; + ctx.restore(); + } + } + requestAnimationFrame(draw); + } + requestAnimationFrame(draw); +} + +if (showUI) { + function makeGUI(title, num) { + const gui = new GUI({title}).hide(); + for (let i = 0; i < num; ++i) { + gui.add([Math.random()], '0', {min: 0, max: 1}).name(`value ${i}`); + } + return gui; + } + + const guis = { + short: makeGUI('Short', 5), + long: makeGUI('Long', 150), + }; + + const div = document.createElement('div'); + uiElem.appendChild(div); + const gui = new GUI({parent: div, title: 'AutoPlace'}); + gui.add({option: 'none'}, 'option', ['none', 'short', 'long']) + .onChange(v => { + for (const [name, gui] of Object.entries(guis)) { + gui.show(name === v); + } + }); +} + +{ + const pageCSS = ` + #ui-helper { + display: grid; + grid-template-columns: repeat(auto-fit, 250px); /* as as column width */ + gap: 10px; /* same as column gap */ + } + #ui { + columns: 250px; + column-gap: 10px; + orphans: 1; + widows: 1; + grid-column: 1 / -1; /* take all the columns of the grid*/ + } + #ui>div { + break-inside: avoid-column; + margin-bottom: 1em; + display: inline-block; + } + `; + const themes = { + default: { + muigui: '/* empty */', + page: '', + }, + 'default-mono': { + muigui: ` + .muigui { + --font-family: Menlo, Monaco, Consolas, "Droid Sans Mono", monospace; + } + `, + page: pageCSS, + }, + light: { + muigui: ` + .muigui-colors { + --bg-color: #f6f6f6; + --color: #3d3d3d; + --value-color: #2b95a1; + --value-bg-color: #e8e8e8; + --disabled-color: #cccccc; + --menu-bg-color: #eeeeee; + --menu-sep-color: #bbbbbb; + --hover-bg-color: #f0f0f0; + --invalid-color: #FF0000; + --selected-color: rgba(0, 0, 0, 0.1); + } + `, + page: '', + }, + 'solarized-light': { + muigui: ` + .muigui-colors { + --bg-color: #fdf6e3; + --color: #657b83; + --value-color: #2aa0f3; + --value-bg-color: #e8e8e8; + --disabled-color: #cccccc; + --menu-bg-color: #f5efdc; + --menu-sep-color: #bbbbbb; + --hover-bg-color: #e7e1cf; + --invalid-color: #FF0000; + --selected-color: rgba(0, 0, 0, 0.1); + } + `, + page: pageCSS, + }, + 'solarized-dark': { + muigui: ` + .muigui-colors { + --bg-color: #002b36; + --color: #b2c2c2; + --value-color: #5abaff; + --value-bg-color: #094e5f; + --disabled-color: #3876a1; + --menu-bg-color: #001f27; + --menu-sep-color: #004e62; + --hover-bg-color: #0a6277; + --invalid-color: #FF6666; + } + `, + page: '', + }, + 'bubble-dark': { + muigui: ` + .muigui { + --border-radius: 1em; + } + `, + page: pageCSS, + }, + 'float': { + muigui: ` + :root { + color-scheme: light dark, + } + + .muigui { + --width: 400px; + --bg-color: inherit; + --color: inherit; + --label-width: 25%; + } + + input { + text-shadow: + -1px -1px 0 #FFF, + 1px -1px 0 #FFF, + -1px 1px 0 #FFF, + 1px 1px 0 #FFF; + } + .muigui-label-controller>label { + text-shadow: + -1px -1px 0 #000, + 1px -1px 0 #000, + -1px 1px 0 #000, + 1px 1px 0 #000; + } + + .muigui-root>*:nth-child(1) { + display: none; + } + + .muigui-range input[type=range]::-webkit-slider-thumb { + border-radius: 1em; + } + + .muigui-range input[type=range]::-webkit-slider-runnable-track { + -webkit-appearance: initial; + appearance: none; + border: 1px solid rgba(0, 0, 0, 0.25); + height: 2px; + } + + .muigui-colors { + --value-color: #000000; + --value-bg-color: rgba(0, 0, 0, 0.1); + --disabled-color: #cccccc; + --menu-bg-color: rgba(0, 0, 0, 0.1); + --menu-sep-color: #bbbbbb; + --hover-bg-color: rgba(0, 0, 0, 0); + --invalid-color: #FF0000; + --selected-color: rgba(0, 0, 0, 0.3); + --range-color: rgba(0, 0, 0, 0.125); + } + `, + page: ` + #ui-helper { + display: block; + } + #ui { + columns: none; + } + #ui>div { + break-inside: avoid-column; + margin-bottom: 1em; + display: block; + } + + body { + background: rgb(34,193,195); + background: linear-gradient(209deg, rgba(34,193,195,1) 0%, rgba(253,187,45,1) 100%); + } + `, + }, + 'form': { + muigui: ` + :root { + color-scheme: light dark, + } + .muigui { + --width: 600px; + --font-family: inherit; + --font-size: medium; + --font-family-mono: inherit; + --font-size-mono: medium; + --bg-color: inherit; + --color: inherit; + } + + .muigui-colors { + --value-color: #2b95a1; + --value-bg-color: #e8e8e8; + --disabled-color: #cccccc; + --menu-bg-color: #eeeeee; + --menu-sep-color: #bbbbbb; + --hover-bg-color: #f0f0f0; + --invalid-color: #FF0000; + --selected-color: rgba(0, 0, 0, 0.1); + } + `, + page: pageCSS, + }, + }; + + const cssColorRE = /^\s*(#|rgb|hsl|lab|hwb|lab|lch|oklch|oklab)/; + const looksLikeCSSColor = s => cssColorRE.test(s); + + const cssColorToRGBA8 = (() => { + const canvas = document.createElement('canvas'); + canvas.width = 1; + canvas.height = 1; + const ctx = canvas.getContext('2d', {willReadFrequently: true}); + return cssColor => { + ctx.clearRect(0, 0, 1, 1); + ctx.fillStyle = cssColor; + ctx.fillRect(0, 0, 1, 1); + return Array.from(ctx.getImageData(0, 0, 1, 1).data); + }; + })(); + + const cssStringToHexColor = s => `#${cssColorToRGBA8(s).slice(0, 3).map(v => v.toString(16).padStart(2, '0')).join('')}`; + + + // --------------- [ get list of CSS variables that affect GUI ] ----------------- + const selectors = ['.muigui', '.muigui-colors']; + const varNamesBySelector = selectors.map(selector => ({ + selector, + vars: getCSSRulesBySelector(selector, GUI.getBaseStyleSheet()) + .map(rule => Object.values(rule.style) + .filter(s => s.startsWith('--') && !rule.style.getPropertyValue(s).trim().startsWith('var')) + .map(s => ({key: s, rule}))).flat(), + })); + + const showStyles = false; + + const div = document.createElement('div'); + uiElem.appendChild(div); + const gui = new GUI(div).name('Appearance'); + gui.addController(new Select({theme: 'default'}, 'theme', {keyValues: [...Object.keys(themes)]})).onChange(v => { + GUI.setUserStyles(themes[v].muigui); + document.querySelector('#theme').innerText = themes[v].page; + if (showStyles) { + updateGUIValuesWithCurrentCSSValues(); + } + }); + + const controllersByKey = {}; + if (showStyles) { + const fns = { + '--width': (v) => { + uiElem.style.columnWidth = v; + uiElem.parentElement.style.gridTemplateColumns = `repeat(auto-fit, ${v})`; + }, + }; + + // --------------- [ make a GUI for each CSS variable that affects GUI ] ----------------- + const obj = {}; + + const folder = gui.addFolder('Style'); + for (const {vars} of varNamesBySelector) { + for (const {key, rule} of vars) { + const value = rule.style.getPropertyValue(key).trim(); + if (looksLikeCSSColor(value)) { + obj[key] = cssStringToHexColor(value); + controllersByKey[key] = folder.addColor(obj, key).onChange(updateMuiguiCSSStyles); + } else if (!value.startsWith('var')){ + obj[key] = value; + controllersByKey[key] = folder.add(obj, key).onChange(v => { + const fn = fns[key]; + if (fn) { + fn(v); + } + updateMuiguiCSSStyles(); + }); + } + } + } + + // -------------- + + function updateMuiguiCSSStyles() { + const css = varNamesBySelector.map(({selector, vars}) => ` + ${selector} { + ${ + vars.map(({key}) => `${key}: ${obj[key]};`).join('\n') + } + } + `).join('\n'); + GUI.setUserStyles(css); + } + } + + // -------------- + function updateGUIValuesWithCurrentCSSValues() { + const map = new Map(); + for (const selector of selectors) { + for (const rule of getCSSRulesBySelector(selector, GUI.getBaseStyleSheet())) { + const varNames = Object.values(rule.style).filter(s => s.startsWith('--')); + for (const key of varNames) { + const value = rule.style.getPropertyValue(key).trim(); + map.set(key, value); + } + } + map.forEach((value, key) => { + const controller = controllersByKey[key]; + if (controller) { + controller.setValue(looksLikeCSSColor(value) ? cssStringToHexColor(value) : value); + } else { + console.warn(`no setting in this theme for: ${key}`); + } + }); + } + getListOfUIColorCSSVariableNames(); + } +} diff --git a/examples/js/logger.js b/examples/js/logger.js new file mode 100644 index 0000000..c261826 --- /dev/null +++ b/examples/js/logger.js @@ -0,0 +1,19 @@ +export default class Logger { + constructor(maxLines = 3) { + let logController; + + const lines = []; + this.log = (...args) => { + lines.push(args.join(' ')); + if (lines.length > maxLines) { + lines.shift(); + } + logController.text(lines.join('\n')); + }; + + this.setController = (controller) => { + logController = controller; + }; + } +} + diff --git a/examples/js/utils.js b/examples/js/utils.js new file mode 100644 index 0000000..0ee237d --- /dev/null +++ b/examples/js/utils.js @@ -0,0 +1,27 @@ +export function getCSSRulesBySelector(selector, styleSheet) { + const rules = []; + const styleSheets = styleSheet ? [styleSheet] : document.styleSheets; + for (let s = 0; s < styleSheets.length; ++s) { + const cssRules = styleSheets[s].cssRules; + for (let i = 0; i < cssRules.length; ++i) { + const r = cssRules[i]; + if (r.selectorText === selector) { + rules.push(r); + } + } + } + return rules; +} + +export function resizeCanvasToDisplaySize(canvas, mult = 1) { + const width = canvas.clientWidth * mult; + const height = canvas.clientHeight * mult; + const needResize = canvas.width !== width || canvas.height !== canvas.height; + if (needResize) { + canvas.width = width; + canvas.height = height; + } + return needResize; +} + +export const hsl = (h, s, l) => `hsl(${h * 360},${s * 100}%,${l * 100}%)`; diff --git a/examples/layout/layout.html b/examples/layout/layout.html new file mode 100644 index 0000000..9f5d507 --- /dev/null +++ b/examples/layout/layout.html @@ -0,0 +1,11 @@ + + + + + + +
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muigui

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+
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+ + + + + + + \ No newline at end of file diff --git a/index.html b/index.html new file mode 100644 index 0000000..0d21880 --- /dev/null +++ b/index.html @@ -0,0 +1,99 @@ + + + + + + muigui + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

muigui

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+
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{ + "build": "npm run build-normal", + "build-ci": "npm run build && node build/prep-for-deploy.js", + "build-normal": "rollup -c", + "build-min": "rollup -c", + "check-ci": "npm run pre-push", + "eslint": "eslint \"**/*.js\"", + "fix": "eslint --fix", + "pre-push": "npm run eslint && npm run build && npm run test", + "start": "node build/serve.js", + "test": "node test/puppeteer.js", + "watch": "npm run start" + }, + "repository": { + "type": "git", + "url": "git+https://github.com/greggman/muigui.git" + }, + "keywords": [ + "muigui", + "gui", + "ui" + ], + "author": "Gregg Tavares", + "license": "MIT", + "bugs": { + "url": "https://github.com/greggman/muigui/issues" + }, + "files": [ + "muigui.js", + "src/**/*" + ], + "homepage": "https://github.com/greggman/muiguiy#readme", + "devDependencies": { + "@rollup/plugin-node-resolve": "^15.0.1", + "@rollup/plugin-terser": "^0.4.0", + "@rollup/plugin-typescript": "^11.1.5", + "@tsconfig/recommended": "^1.0.3", + "@typescript-eslint/eslint-plugin": "^6.12.0", + "@typescript-eslint/parser": "^6.12.0", + "chokidar": "^3.5.3", + "eslint": "^8.20.0", + "eslint-plugin-html": "^7.1.0", + "eslint-plugin-one-variable-per-var": "^0.0.3", + "eslint-plugin-optional-comma-spacing": "0.0.4", + "eslint-plugin-require-trailing-comma": "0.0.1", + "puppeteer": "^21.5.2", + "rollup": "^3.20.2", + "servez": "^2.1.2", + "tslib": "^2.6.2", + "typescript": "5.2" + } +} diff --git a/rollup.config.js b/rollup.config.js new file mode 100644 index 0000000..fe3cf73 --- /dev/null +++ b/rollup.config.js @@ -0,0 +1,81 @@ +import typescript from '@rollup/plugin-typescript'; +import resolve from '@rollup/plugin-node-resolve'; +import terser from '@rollup/plugin-terser'; +import fs from 'fs'; + +const pkg = JSON.parse(fs.readFileSync('package.json', {encoding: 'utf8'})); +const banner = `/* muigui@${pkg.version}, license MIT */`; + +const plugins = [ + typescript({ tsconfig: './tsconfig.json' }), + resolve({ + modulesOnly: true, + }), +]; + +export default [ + { + input: 'src/esm.ts', + treeshake: false, + plugins, + output: [ + { + format: 'es', + file: 'dist/0.x/muigui.module.js', + indent: ' ', + banner, + sourcemap: true, + }, + ], + }, + { + input: 'src/umd.js', + treeshake: false, + plugins, + output: [ + { + format: 'umd', + file: 'dist/0.x/muigui.js', + indent: ' ', + banner, + name: 'GUI', + sourcemap: true, + }, + ], + }, + { + input: 'src/esm.ts', + treeshake: false, + plugins: [ + ...plugins, + terser(), + ], + output: [ + { + format: 'es', + file: 'dist/0.x/muigui.module.min.js', + indent: ' ', + banner, + sourcemap: true, + }, + ], + }, + { + input: 'src/umd.js', + treeshake: false, + plugins: [ + ...plugins, + terser(), + ], + output: [ + { + format: 'umd', + file: 'dist/0.x/muigui.min.js', + indent: ' ', + banner, + name: 'GUI', + sourcemap: true, + }, + ], + }, +]; diff --git a/src/controllers/Button.js b/src/controllers/Button.js new file mode 100644 index 0000000..9c45bdd --- /dev/null +++ b/src/controllers/Button.js @@ -0,0 +1,34 @@ +import { + createElem, +} from '../libs/elem.js'; +import { copyExistingProperties } from '../libs/utils.js'; +import Controller from './Controller.js'; + +export default class Button extends Controller { + #object; + #property; + #buttonElem; + #options = { + name: '', + }; + + constructor(object, property, options = {}) { + super('muigui-button', ''); + this.#object = object; + this.#property = property; + + this.#buttonElem = this.addElem( + createElem('button', { + type: 'button', + onClick: () => { + this.#object[this.#property](this); + }, + })); + this.setOptions({name: property, ...options}); + } + setOptions(options) { + copyExistingProperties(this.#options, options); + const {name} = this.#options; + this.#buttonElem.textContent = name; + } +} \ No newline at end of file diff --git a/src/controllers/Canvas.js b/src/controllers/Canvas.js new file mode 100644 index 0000000..b19b15d --- /dev/null +++ b/src/controllers/Canvas.js @@ -0,0 +1,17 @@ +import ElementView from '../views/ElementView.js'; +import LabelController from './LabelController.js'; + +// TODO: remove this? Should just be user side +export default class Canvas extends LabelController { + #canvasElem; + + constructor() { + super('muigui-canvas'); + this.#canvasElem = this.add( + new ElementView('canvas', 'muigui-canvas'), + ).domElement; + } + get canvas() { + return this.#canvasElem; + } +} \ No newline at end of file diff --git a/src/controllers/Checkbox.js b/src/controllers/Checkbox.js new file mode 100644 index 0000000..080dbc1 --- /dev/null +++ b/src/controllers/Checkbox.js @@ -0,0 +1,11 @@ +import CheckboxView from '../views/CheckboxView.js'; +import ValueController from './ValueController.js'; + +export default class Checkbox extends ValueController { + constructor(object, property) { + super(object, property, 'muigui-checkbox'); + const id = this.id; + this.add(new CheckboxView(this, id)); + this.updateDisplay(); + } +} \ No newline at end of file diff --git a/src/controllers/Color.js b/src/controllers/Color.js new file mode 100644 index 0000000..207f8df --- /dev/null +++ b/src/controllers/Color.js @@ -0,0 +1,31 @@ +import { + colorFormatConverters, + guessFormat, +} from '../libs/color-utils.js'; +import ValueController from './ValueController.js'; +import TextView from '../views/TextView.js'; +import ColorView from '../views/ColorView.js'; + +export default class Color extends ValueController { + #colorView; + #textView; + + constructor(object, property, options = {}) { + super(object, property, 'muigui-color'); + const format = options.format || guessFormat(this.getValue()); + const {color, text} = colorFormatConverters[format]; + this.#colorView = this.add(new ColorView(this, {converters: color})); + this.#textView = this.add(new TextView(this, {converters: text})); + this.updateDisplay(); + } + setOptions(options) { + const {format} = options; + if (format) { + const {color, text} = colorFormatConverters[format]; + this.#colorView.setOptions({converters: color}); + this.#textView.setOptions({converters: text}); + } + super.setOptions(options); + return this; + } +} \ No newline at end of file diff --git a/src/controllers/ColorChooser.js b/src/controllers/ColorChooser.js new file mode 100644 index 0000000..e31f1f0 --- /dev/null +++ b/src/controllers/ColorChooser.js @@ -0,0 +1,52 @@ +/* eslint-disable no-underscore-dangle */ +import { + colorFormatConverters, + guessFormat, + hasAlpha, + hexToUint8RGB, + hslToRgbUint8, + rgbUint8ToHsl, + uint8RGBToHex, +} from '../libs/color-utils.js'; +import ColorChooserView from '../views/ColorChooserView.js'; +import TextView from '../views/TextView.js'; +import PopDownController from './PopDownController.js'; + +export default class ColorChooser extends PopDownController { + #colorView; + #textView; + #to; + #setKnobHelper; + + constructor(object, property, options = {}) { + super(object, property, 'muigui-color-chooser'); + const format = options.format || guessFormat(this.getValue()); + const {color, text} = colorFormatConverters[format]; + this.#to = color.to; + this.#textView = new TextView(this, {converters: text, alpha: hasAlpha(format)}); + this.#colorView = new ColorChooserView(this, {converters: color, alpha: hasAlpha(format)}); + this.addTop(this.#textView); + this.addBottom(this.#colorView); + // WTF! FIX! + this.#setKnobHelper = () => { + if (this.#to) { + const hex6Or8 = this.#to(this.getValue()); + const hsl = rgbUint8ToHsl(hexToUint8RGB(hex6Or8)); + hsl[2] = (hsl[2] + 50) % 100; + const hex = uint8RGBToHex(hslToRgbUint8(hsl)); + this.setKnobColor(`${hex6Or8.substring(0, 7)}FF`, hex); + } + }; + this.updateDisplay(); + } + updateDisplay() { + super.updateDisplay(); + if (this.#setKnobHelper) { + this.#setKnobHelper(); + } + } + setOptions(options) { + super.setOptions(options); + return this; + } +} diff --git a/src/controllers/Container.js b/src/controllers/Container.js new file mode 100644 index 0000000..cfe15fe --- /dev/null +++ b/src/controllers/Container.js @@ -0,0 +1,64 @@ +import Controller from './Controller.js'; + +export default class Container extends Controller { + #controllers; + #childDestController; + + constructor(className) { + super(className); + this.#controllers = []; + this.#childDestController = this; + } + get children() { + return this.#controllers; // should we return a copy? + } + get controllers() { + return this.#controllers.filter(c => !(c instanceof Container)); + } + get folders() { + return this.#controllers.filter(c => c instanceof Container); + } + reset(recursive = true) { + for (const controller of this.#controllers) { + if (!(controller instanceof Container) || recursive) { + controller.reset(recursive); + } + } + return this; + } + updateDisplay() { + for (const controller of this.#controllers) { + controller.updateDisplay(); + } + return this; + } + remove(controller) { + const ndx = this.#controllers.indexOf(controller); + if (ndx >= 0) { + const c = this.#controllers.splice(ndx, 1); + const c0 = c[0]; + const elem = c0.domElement; + elem.remove(); + c0.setParent(null); + } + return this; + } + #addControllerImpl(controller) { + this.domElement.appendChild(controller.domElement); + this.#controllers.push(controller); + controller.setParent(this); + return controller; + } + addController(controller) { + return this.#childDestController.#addControllerImpl(controller); + } + pushContainer(container) { + this.addController(container); + this.#childDestController = container; + return container; + } + popContainer() { + this.#childDestController = this.#childDestController.parent; + return this; + } +} diff --git a/src/controllers/Controller.js b/src/controllers/Controller.js new file mode 100644 index 0000000..b7ad463 --- /dev/null +++ b/src/controllers/Controller.js @@ -0,0 +1,141 @@ +import { createElem } from '../libs/elem.js'; +import { removeArrayElem } from '../libs/utils.js'; +import View from '../views/View.js'; + +export default class Controller extends View { + #changeFns; + #finishChangeFns; + #parent; + + constructor(className) { + super(createElem('div', {className: 'muigui-controller'})); + this.#changeFns = []; + this.#finishChangeFns = []; + // we need the specialization to come last so it takes precedence. + if (className) { + this.domElement.classList.add(className); + } + } + get parent() { + return this.#parent; + } + setParent(parent) { + this.#parent = parent; + this.enable(!this.disabled()); + } + show(show = true) { + this.domElement.classList.toggle('muigui-hide', !show); + this.domElement.classList.toggle('muigui-show', show); + return this; + } + hide() { + return this.show(false); + } + disabled() { + return !!this.domElement.closest('.muigui-disabled'); + } + + enable(enable = true) { + this.domElement.classList.toggle('muigui-disabled', !enable); + + // If disabled we need to set the attribute 'disabled=true' to all + // input/select/button/textarea's below + // + // If enabled we need to set the attribute 'disabled=false' to all below + // until we hit a disabled controller. + // + // ATM the problem is we can find the input/select/button/textarea elements + // but we can't easily find which controller they belong do. + // But we don't need to? We can just check up if it or parent has + // '.muigui-disabled' + ['input', 'button', 'select', 'textarea'].forEach(tag => { + this.domElement.querySelectorAll(tag).forEach(elem => { + const disabled = !!elem.closest('.muigui-disabled'); + elem.disabled = disabled; + }); + }); + + return this; + } + disable(disable = true) { + return this.enable(!disable); + } + onChange(fn) { + this.removeChange(fn); + this.#changeFns.push(fn); + return this; + } + removeChange(fn) { + removeArrayElem(this.#changeFns, fn); + return this; + } + onFinishChange(fn) { + this.removeFinishChange(fn); + this.#finishChangeFns.push(fn); + return this; + } + removeFinishChange(fn) { + removeArrayElem(this.#finishChangeFns, fn); + return this; + } + #callListeners(fns, newV) { + for (const fn of fns) { + fn.call(this, newV); + } + } + emitChange(value, object, property) { + this.#callListeners(this.#changeFns, value); + if (this.#parent) { + if (object === undefined) { + this.#parent.emitChange(value); + } else { + this.#parent.emitChange({ + object, + property, + value, + controller: this, + }); + } + } + } + emitFinalChange(value, object, property) { + this.#callListeners(this.#finishChangeFns, value); + if (this.#parent) { + if (object === undefined) { + this.#parent.emitChange(value); + } else { + this.#parent.emitFinalChange({ + object, + property, + value, + controller: this, + }); + } + } + } + updateDisplay() { + // placeholder. override + } + getColors() { + const toCamelCase = s => s.replace(/-([a-z])/g, (m, m1) => m1.toUpperCase()); + const keys = [ + 'color', + 'bg-color', + 'value-color', + 'value-bg-color', + 'hover-bg-color', + 'menu-bg-color', + 'menu-sep-color', + 'disabled-color', + ]; + const div = createElem('div'); + this.domElement.appendChild(div); + const colors = Object.fromEntries(keys.map(key => { + div.style.color = `var(--${key})`; + const s = getComputedStyle(div); + return [toCamelCase(key), s.color]; + })); + div.remove(); + return colors; + } +} diff --git a/src/controllers/Direction.js b/src/controllers/Direction.js new file mode 100644 index 0000000..3206f7a --- /dev/null +++ b/src/controllers/Direction.js @@ -0,0 +1,23 @@ +import { identity } from '../libs/conversions.js'; +import DirectionView from '../views/DirectionView.js'; +import NumberView from '../views/NumberView.js'; +// import ValueController from './ValueController.js'; +import PopDownController from './PopDownController.js'; + + +// deg2rad +// where is 0 +// range (0, 360), (-180, +180), (0,0) Really this is a range + +export default class Direction extends PopDownController { + #options; + constructor(object, property, options) { + super(object, property, 'muigui-direction'); +this.#options = options; // FIX + this.addTop(new NumberView(this, +identity)); + this.addBottom(new DirectionView(this, options)); + this.updateDisplay(); + } +} + diff --git a/src/controllers/Divider.js b/src/controllers/Divider.js new file mode 100644 index 0000000..34059a2 --- /dev/null +++ b/src/controllers/Divider.js @@ -0,0 +1,9 @@ +import Controller from './Controller.js'; + +// This feels like it should be something else like +// gui.addController({className: 'muigui-divider')}; +export default class Divider extends Controller { + constructor() { + super('muigui-divider'); + } +} \ No newline at end of file diff --git a/src/controllers/Folder.js b/src/controllers/Folder.js new file mode 100644 index 0000000..ac5ee29 --- /dev/null +++ b/src/controllers/Folder.js @@ -0,0 +1,37 @@ +import { createElem } from '../libs/elem.js'; +import Container from './Container.js'; + +export default class Folder extends Container { + #labelElem; + + constructor(name = 'Controls', className = 'muigui-menu') { + super(className); + this.#labelElem = createElem('label'); + this.addElem(createElem('button', { + type: 'button', + onClick: () => this.toggleOpen(), + }, [this.#labelElem])); + this.pushContainer(new Container()); + this.name(name); + this.open(); + } + open(open = true) { + this.domElement.classList.toggle('muigui-closed', !open); + this.domElement.classList.toggle('muigui-open', open); + return this; + } + close() { + return this.open(false); + } + name(name) { + this.#labelElem.textContent = name; + return this; + } + title(title) { + return this.name(title); + } + toggleOpen() { + this.open(!this.domElement.classList.contains('muigui-open')); + return this; + } +} diff --git a/src/controllers/Label.js b/src/controllers/Label.js new file mode 100644 index 0000000..1b8dd98 --- /dev/null +++ b/src/controllers/Label.js @@ -0,0 +1,14 @@ +import Controller from './Controller.js'; + +// This feels like it should be something else like +// gui.addDividing = new Controller() +export default class Label extends Controller { + constructor(text) { + super('muigui-label'); + this.text(text); + } + text(text) { + this.domElement.textContent = text; + return this; + } +} \ No newline at end of file diff --git a/src/controllers/LabelController.js b/src/controllers/LabelController.js new file mode 100644 index 0000000..92436df --- /dev/null +++ b/src/controllers/LabelController.js @@ -0,0 +1,32 @@ +import { createElem } from '../libs/elem.js'; +import { makeId } from '../libs/ids.js'; +import ValueView from '../views/ValueView.js'; +import Controller from './Controller.js'; + +export default class LabelController extends Controller { + #id; + #nameElem; + + constructor(className = '', name = '') { + super('muigui-label-controller'); + this.#id = makeId(); + this.#nameElem = createElem('label', {for: this.#id}); + this.domElement.appendChild(this.#nameElem); + this.pushSubView(new ValueView(className)); + this.name(name); + } + get id() { + return this.#id; + } + name(name) { + if (this.#nameElem.title === this.#nameElem.textContent) { + this.#nameElem.title = name; + } + this.#nameElem.textContent = name; + return this; + } + tooltip(tip) { + this.#nameElem.title = tip; + } +} + diff --git a/src/controllers/PopDownController.js b/src/controllers/PopDownController.js new file mode 100644 index 0000000..322a9c9 --- /dev/null +++ b/src/controllers/PopDownController.js @@ -0,0 +1,85 @@ +import ElementView from '../views/ElementView.js'; +import ValueController from './ValueController.js'; +import { copyExistingProperties } from '../libs/utils.js'; +import { createElem } from '../libs/elem.js'; +/* + +holder = new TabHolder +tab = holder.add(new Tab("name")) +tab.add(...) + + +pc = new PopdownController +top = pc.add(new Row()) +top.add(new Button()); +values = topRow.add(new Div()) +bottom = pc.add(new Row()); + + + +pc = new PopdownController +pc.addTop +pc.addTop + +pc.addBottom + + +*/ + +export default class PopDownController extends ValueController { + #top; + #valuesView; + #checkboxElem; + #bottom; + #options = { + open: false, + }; + + constructor(object, property, options = {}) { + super(object, property, 'muigui-pop-down-controller'); + /* + [ValueView + [[B][values]] upper row + [[ visual ]] lower row + ] + */ + this.#top = this.add(new ElementView('div', 'muigui-pop-down-top')); +// this.#top.add(new CheckboxView(makeSetter(this.#options, 'open'))); + const checkboxElem = this.#top.addElem(createElem('input', { + type: 'checkbox', + onChange: () => { + this.#options.open = checkboxElem.checked; + this.updateDisplay(); + }, + })); + this.#checkboxElem = checkboxElem; + this.#valuesView = this.#top.add(new ElementView('div', 'muigui-pop-down-values')); + this.#bottom = this.add(new ElementView('div', 'muigui-pop-down-bottom')); + this.setOptions(options); + } + setKnobColor(bgCssColor/*, fgCssColor*/) { + if (this.#checkboxElem) { + this.#checkboxElem.style = ` + --range-color: ${bgCssColor}; + --value-bg-color: ${bgCssColor}; + `; + } + } + updateDisplay() { + super.updateDisplay(); + const {open} = this.#options; + this.domElement.children[1].classList.toggle('muigui-open', open); + this.domElement.children[1].classList.toggle('muigui-closed', !open); + } + setOptions(options) { + copyExistingProperties(this.#options, options); + super.setOptions(options); + this.updateDisplay(); + } + addTop(view) { + return this.#valuesView.add(view); + } + addBottom(view) { + return this.#bottom.add(view); + } +} \ No newline at end of file diff --git a/src/controllers/RadioGrid.js b/src/controllers/RadioGrid.js new file mode 100644 index 0000000..d6a4bfa --- /dev/null +++ b/src/controllers/RadioGrid.js @@ -0,0 +1,17 @@ +import RadioGridView from '../views/RadioGridView.js'; +import ValueController from './ValueController.js'; +import { convertToKeyValues } from '../libs/key-values.js'; + +export default class RadioGrid extends ValueController { + constructor(object, property, options) { + super(object, property, 'muigui-radio-grid'); + const valueIsNumber = typeof this.getValue() === 'number'; + const { + keyValues: keyValuesInput, + cols = 3, + } = options; + const keyValues = convertToKeyValues(keyValuesInput, valueIsNumber); + this.add(new RadioGridView(this, keyValues, cols)); + this.updateDisplay(); + } +} \ No newline at end of file diff --git a/src/controllers/Range.js b/src/controllers/Range.js new file mode 100644 index 0000000..da46a79 --- /dev/null +++ b/src/controllers/Range.js @@ -0,0 +1,11 @@ +import ValueController from './ValueController.js'; +import NumberView from '../views/NumberView.js'; +import RangeView from '../views/RangeView.js'; + +export default class Range extends ValueController { + constructor(object, property, options) { + super(object, property, 'muigui-range'); + this.add(new RangeView(this, options)); + this.add(new NumberView(this, options)); + } +} diff --git a/src/controllers/Select.js b/src/controllers/Select.js new file mode 100644 index 0000000..0178dc8 --- /dev/null +++ b/src/controllers/Select.js @@ -0,0 +1,14 @@ +import SelectView from '../views/SelectView.js'; +import ValueController from './ValueController.js'; +import { convertToKeyValues } from '../libs/key-values.js'; + +export default class Select extends ValueController { + constructor(object, property, options) { + super(object, property, 'muigui-select'); + const valueIsNumber = typeof this.getValue() === 'number'; + const {keyValues: keyValuesInput} = options; + const keyValues = convertToKeyValues(keyValuesInput, valueIsNumber); + this.add(new SelectView(this, keyValues)); + this.updateDisplay(); + } +} \ No newline at end of file diff --git a/src/controllers/Slider.js b/src/controllers/Slider.js new file mode 100644 index 0000000..2dc2315 --- /dev/null +++ b/src/controllers/Slider.js @@ -0,0 +1,12 @@ +import ValueController from './ValueController.js'; +import NumberView from '../views/NumberView.js'; +import SliderView from '../views/SliderView.js'; + +export default class Slider extends ValueController { + constructor(object, property, options = {}) { + super(object, property, 'muigui-slider'); + this.add(new SliderView(this, options)); + this.add(new NumberView(this, options)); + this.updateDisplay(); + } +} diff --git a/src/controllers/TabHolder.js b/src/controllers/TabHolder.js new file mode 100644 index 0000000..9fcca1e --- /dev/null +++ b/src/controllers/TabHolder.js @@ -0,0 +1,36 @@ +import { createElem } from '../libs/elem.js'; +import Controller from './Controller.js'; + +export default class TabHolder extends Controller { + #labelElem; + + constructor(name = 'Controls', className = 'muigui-tab-holder') { + super(className); + this.#labelElem = createElem('label'); + this.addElem(createElem('button', { + type: 'button', + onClick: () => this.toggleOpen(), + }, [this.#labelElem])); + this.name(name); + this.open(); + } + open(open = true) { + this.domElement.classList.toggle('muigui-closed', !open); + this.domElement.classList.toggle('muigui-open', open); + return this; + } + close() { + return this.open(false); + } + name(name) { + this.#labelElem.textContent = name; + return this; + } + title(title) { + return this.name(title); + } + toggleOpen() { + this.open(!this.domElement.classList.contains('muigui-open')); + return this; + } +} diff --git a/src/controllers/Text.js b/src/controllers/Text.js new file mode 100644 index 0000000..8b163c0 --- /dev/null +++ b/src/controllers/Text.js @@ -0,0 +1,10 @@ +import TextView from '../views/TextView.js'; +import ValueController from './ValueController.js'; + +export default class Text extends ValueController { + constructor(object, property) { + super(object, property, 'muigui-checkbox'); + this.add(new TextView(this)); + this.updateDisplay(); + } +} \ No newline at end of file diff --git a/src/controllers/TextNumber.js b/src/controllers/TextNumber.js new file mode 100644 index 0000000..e494dfa --- /dev/null +++ b/src/controllers/TextNumber.js @@ -0,0 +1,18 @@ + +import NumberView from '../views/NumberView.js'; +import ValueController from './ValueController.js'; + +// Wanted to name this `Number` but it conflicts with +// JavaScript `Number`. It most likely wouldn't be +// an issue? But users might `import {Number} ...` and +// things would break. +export default class TextNumber extends ValueController { + #textView; + #step; + + constructor(object, property, options = {}) { + super(object, property, 'muigui-checkbox'); + this.#textView = this.add(new NumberView(this, options)); + this.updateDisplay(); + } +} \ No newline at end of file diff --git a/src/controllers/ValueController.js b/src/controllers/ValueController.js new file mode 100644 index 0000000..aada302 --- /dev/null +++ b/src/controllers/ValueController.js @@ -0,0 +1,115 @@ +import {addTask, removeTask} from '../libs/taskrunner.js'; +import { isTypedArray } from '../libs/utils.js'; +import LabelController from './LabelController.js'; + +export default class ValueController extends LabelController { + #object; + #property; + #initialValue; + #listening; + #views; + #updateFn; + + constructor(object, property, className = '') { + super(className, property); + this.#object = object; + this.#property = property; + this.#initialValue = this.getValue(); + this.#listening = false; + this.#views = []; + } + get initialValue() { + return this.#initialValue; + } + get object() { + return this.#object; + } + get property() { + return this.#property; + } + add(view) { + this.#views.push(view); + super.add(view); + this.updateDisplay(); + return view; + } + #setValueImpl(v, ignoreCache) { + let isDifferent = false; + if (typeof v === 'object') { + const dst = this.#object[this.#property]; + // don't replace objects, just their values. + if (Array.isArray(v) || isTypedArray(v)) { + for (let i = 0; i < v.length; ++i) { + isDifferent ||= dst[i] !== v[i]; + dst[i] = v[i]; + } + } else { + for (const key of Object.keys(v)) { + isDifferent ||= dst[key] !== v[key]; + } + Object.assign(dst, v); + } + } else { + isDifferent = this.#object[this.#property] !== v; + this.#object[this.#property] = v; + } + this.updateDisplay(ignoreCache); + if (isDifferent) { + this.emitChange(this.getValue(), this.#object, this.#property); + } + return isDifferent; + } + setValue(v) { + this.#setValueImpl(v); + } + setFinalValue(v) { + const isDifferent = this.#setValueImpl(v, true); + if (isDifferent) { + this.emitFinalChange(this.getValue(), this.#object, this.#property); + } + return this; + } + updateDisplay(ignoreCache) { + const newV = this.getValue(); + for (const view of this.#views) { + view.updateDisplayIfNeeded(newV, ignoreCache); + } + return this; + } + setOptions(options) { + for (const view of this.#views) { + view.setOptions(options); + } + this.updateDisplay(); + return this; + } + getValue() { + return this.#object[this.#property]; + } + value(v) { + this.setValue(v); + return this; + } + reset() { + this.setValue(this.#initialValue); + return this; + } + listen(listen = true) { + if (!this.#updateFn) { + this.#updateFn = this.updateDisplay.bind(this); + } + if (listen) { + if (!this.#listening) { + this.#listening = true; + addTask(this.#updateFn); + } + } else { + if (this.#listening) { + this.#listening = false; + removeTask(this.#updateFn); + } + } + return this; + } +} + diff --git a/src/controllers/Vec2.js b/src/controllers/Vec2.js new file mode 100644 index 0000000..6573db5 --- /dev/null +++ b/src/controllers/Vec2.js @@ -0,0 +1,49 @@ +import NumberView from '../views/NumberView.js'; +import Vec2View from '../views/Vec2View.js'; +import PopDownController from './PopDownController.js'; +import { strToNumber } from '../libs/conversions.js'; + +// TODO: zoom with wheel and pinch? +// TODO: grid? +// // options +// scale: +// range: number (both x and y + /) +// range: array (min, max) +// xRange: +// deg/rad/turn + +export default class Vec2 extends PopDownController { + constructor(object, property) { + super(object, property, 'muigui-vec2'); + + const makeSetter = (ndx) => { + return { + setValue: (v) => { + const newV = this.getValue(); + newV[ndx] = v; + this.setValue(newV); + }, + setFinalValue: (v) => { + const newV = this.getValue(); + newV[ndx] = v; + this.setFinalValue(newV); + }, + }; + }; + + this.addTop(new NumberView(makeSetter(0), { + converters: { + to: v => v[0], + from: strToNumber.from, + }, + })); + this.addTop(new NumberView(makeSetter(1), { + converters: { + to: v => v[1], + from: strToNumber.from, + }, + })); + this.addBottom(new Vec2View(this)); + this.updateDisplay(); + } +} diff --git a/src/controllers/create-controller.js b/src/controllers/create-controller.js new file mode 100644 index 0000000..bf21ba1 --- /dev/null +++ b/src/controllers/create-controller.js @@ -0,0 +1,51 @@ +import Button from './Button.js'; +import Checkbox from './Checkbox.js'; +import TextNumber from './TextNumber.js'; +import Select from './Select.js'; +import Range from './Range.js'; +import Text from './Text.js'; + +// const isConversion = o => typeof o.to === 'function' && typeof o.from === 'function'; + +/** + * possible inputs + * add(o, p, min: number, max: number) + * add(o, p, min: number, max: number, step: number) + * add(o, p, array: [value]) + * add(o, p, array: [[key, value]]) + * + * @param {*} object + * @param {string} property + * @param {...any} args + * @returns {Controller} + */ +export function createController(object, property, ...args) { + const [arg1] = args; + if (Array.isArray(arg1)) { + return new Select(object, property, {keyValues: arg1}); + } + + const t = typeof object[property]; + switch (t) { + case 'number': + if (typeof args[0] === 'number' && typeof args[1] === 'number') { + const min = args[0]; + const max = args[1]; + const step = args[2]; + return new Range(object, property, {min, max, ...(step && {step})}); + } + return args.length === 0 + ? new TextNumber(object, property, ...args) + : new Range(object, property, ...args); + case 'boolean': + return new Checkbox(object, property, ...args); + case 'function': + return new Button(object, property, ...args); + case 'string': + return new Text(object, property, ...args); + case 'undefined': + throw new Error(`no property named ${property}`); + default: + throw new Error(`unhandled type ${t} for property ${property}`); + } +} \ No newline at end of file diff --git a/src/esm.ts b/src/esm.ts new file mode 100644 index 0000000..8dba403 --- /dev/null +++ b/src/esm.ts @@ -0,0 +1,12 @@ +import GUI from './muigui.js'; + +export { default as ColorChooser } from './controllers/ColorChooser.js'; +export { default as Direction } from './controllers/Direction.js'; +export { default as RadioGrid } from './controllers/RadioGrid.js'; +export { default as Range } from './controllers/Range.js'; +export { default as Select } from './controllers/Select.js'; +export { default as Slider } from './controllers/Slider.js'; +export { default as TextNumber } from './controllers/TextNumber.js'; +export { default as Vec2 } from './controllers/Vec2.js'; + +export default GUI; \ No newline at end of file diff --git a/src/layout/Column.js b/src/layout/Column.js new file mode 100644 index 0000000..6bc26a0 --- /dev/null +++ b/src/layout/Column.js @@ -0,0 +1,7 @@ +import Layout from './Layout.js'; + +export default class Column extends Layout { + constructor() { + super('div', 'muigui-row'); + } +} diff --git a/src/layout/Frame.js b/src/layout/Frame.js new file mode 100644 index 0000000..e215809 --- /dev/null +++ b/src/layout/Frame.js @@ -0,0 +1,11 @@ +import Layout from './Layout.js'; + +export default class Frame extends Layout { + static css = 'foo'; + constructor() { + super('div', 'muigui-frame'); + } + static get foo() { + return 'boo'; + } +} diff --git a/src/layout/Grid.js b/src/layout/Grid.js new file mode 100644 index 0000000..2d34b2b --- /dev/null +++ b/src/layout/Grid.js @@ -0,0 +1,7 @@ +import Layout from './Layout.js'; + +export default class Grid extends Layout { + constructor() { + super('div', 'muigui-grid'); + } +} diff --git a/src/layout/Layout.js b/src/layout/Layout.js new file mode 100644 index 0000000..b491053 --- /dev/null +++ b/src/layout/Layout.js @@ -0,0 +1,46 @@ +import { createElem } from '../libs/elem.js'; +import View from '../views/View.js'; + +function showCSS(ob) { + if (ob.prototype.css) { + showCSS(ob.prototype); + } +} + +export default class Layout extends View { + static css = 'bar'; + constructor(tag, className) { + super(createElem(tag, {className})); + + showCSS(this); + } +} + +/* +class ValueController ?? { + const row = this.add(new Row()); + const label = row.add(new Label()); + const div = row.add(new Div()); + const row = div.add(new Row()); +} +*/ + +/* +class MyCustomThing extends ValueController { + constructor(object, property, options) { + const topRow = this.add(new Row()); + const bottomRow = this.add(new Row()); + topRow.add(new NumberView()); + topRow.add(new NumberView()); + topRow.add(new NumberView()); + topRow.add(new NumberView()); + bottomRow.add(new DirectionView()); + bottomRow.add(new DirectionView()); + bottomRow.add(new DirectionView()); + bottomRow.add(new DirectionView()); + } +} + new Grid([ + [new + ] + */ \ No newline at end of file diff --git a/src/layout/Row.js b/src/layout/Row.js new file mode 100644 index 0000000..4c4d858 --- /dev/null +++ b/src/layout/Row.js @@ -0,0 +1,7 @@ +import Layout from './Layout.js'; + +export default class Row extends Layout { + constructor() { + super('div', 'muigui-row'); + } +} diff --git a/src/libs/assert.js b/src/libs/assert.js new file mode 100644 index 0000000..03b0cca --- /dev/null +++ b/src/libs/assert.js @@ -0,0 +1,5 @@ +export function assert(truthy, msg = '') { + if (!truthy) { + throw new Error(msg); + } +} \ No newline at end of file diff --git a/src/libs/color-utils.js b/src/libs/color-utils.js new file mode 100644 index 0000000..abd7430 --- /dev/null +++ b/src/libs/color-utils.js @@ -0,0 +1,646 @@ +const clamp = (v, min, max) => Math.max(min, Math.min(max, v)); +const lerp = (a, b, t) => a + (b - a) * t; +const fract = v => v >= 0 ? v % 1 : 1 - (v % 1); + +const f0 = v => +v.toFixed(0); // converts to string (eg 1.2 => "1"), then converts back to number (eg, "1.200" => 1.2) +const f3 = v => +v.toFixed(3); // converts to string (eg 1.2 => "1.200"), then converts back to number (eg, "1.200" => 1.2) + +const hexToUint32RGB = v => (parseInt(v.substring(1, 3), 16) << 16) | + (parseInt(v.substring(3, 5), 16) << 8 ) | + (parseInt(v.substring(5, 7), 16) ); +const uint32RGBToHex = v => `#${(Math.round(v)).toString(16).padStart(6, '0')}`; +const hexToUint32RGBA = v => (parseInt(v.substring(1, 3), 16) * 2 ** 24) + + (parseInt(v.substring(3, 5), 16) * 2 ** 16) + + (parseInt(v.substring(5, 7), 16) * 2 ** 8) + + (parseInt(v.substring(7, 9), 16) ); +const uint32RGBAToHex = v => `#${(Math.round(v)).toString(16).padStart(8, '0')}`; + +export const hexToUint8RGB = v => [ + parseInt(v.substring(1, 3), 16), + parseInt(v.substring(3, 5), 16), + parseInt(v.substring(5, 7), 16), +]; +export const uint8RGBToHex = v => `#${Array.from(v).map(v => v.toString(16).padStart(2, '0')).join('')}`; + +export const hexToUint8RGBA = v => [ + parseInt(v.substring(1, 3), 16), + parseInt(v.substring(3, 5), 16), + parseInt(v.substring(5, 7), 16), + parseInt(v.substring(7, 9), 16), +]; +export const uint8RGBAToHex = v => `#${Array.from(v).map(v => v.toString(16).padStart(2, '0')).join('')}`; + +export const hexToFloatRGB = v => hexToUint8RGB(v).map(v => f3(v / 255)); +export const floatRGBToHex = v => uint8RGBToHex(Array.from(v).map(v => Math.round(clamp(v * 255, 0, 255)))); + +export const hexToFloatRGBA = v => hexToUint8RGBA(v).map(v => f3(v / 255)); +export const floatRGBAToHex = v => uint8RGBAToHex(Array.from(v).map(v => Math.round(clamp(v * 255, 0, 255)))); + +const scaleAndClamp = v => clamp(Math.round(v * 255), 0, 255).toString(16).padStart(2, '0'); + +const hexToObjectRGB = v => ({ + r: parseInt(v.substring(1, 3), 16) / 255, + g: parseInt(v.substring(3, 5), 16) / 255, + b: parseInt(v.substring(5, 7), 16) / 255, +}); +const objectRGBToHex = v => `#${scaleAndClamp(v.r)}${scaleAndClamp(v.g)}${scaleAndClamp(v.b)}`; +const hexToObjectRGBA = v => ({ + r: parseInt(v.substring(1, 3), 16) / 255, + g: parseInt(v.substring(3, 5), 16) / 255, + b: parseInt(v.substring(5, 7), 16) / 255, + a: parseInt(v.substring(7, 9), 16) / 255, +}); +const objectRGBAToHex = v => `#${scaleAndClamp(v.r)}${scaleAndClamp(v.g)}${scaleAndClamp(v.b)}${scaleAndClamp(v.a)}`; + +const hexToCssRGB = v => `rgb(${hexToUint8RGB(v).join(', ')})`; +const cssRGBRegex = /^\s*rgb\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)\s*$/; +const cssRGBToHex = v => { + const m = cssRGBRegex.exec(v); + return uint8RGBToHex([m[1], m[2], m[3]].map(v => parseInt(v))); +}; +const hexToCssRGBA = v => `rgba(${hexToUint8RGBA(v).map((v, i) => i === 3 ? v / 255 : v).join(', ')})`; +const cssRGBARegex = /^\s*rgba\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+\.\d+|\d+)\s*\)\s*$/; +const cssRGBAToHex = v => { + const m = cssRGBARegex.exec(v); + return uint8RGBAToHex([m[1], m[2], m[3], m[4]].map((v, i) => i === 3 ? (parseFloat(v) * 255 | 0) : parseInt(v))); +}; + +const hexToCssHSL = v => { + const hsl = rgbUint8ToHsl(hexToUint8RGB(v)).map(v => f0(v)); + return `hsl(${hsl[0]}, ${hsl[1]}%, ${hsl[2]}%)`; +}; +const hexToCssHSLA = v => { + const hsla = rgbaUint8ToHsla(hexToUint8RGBA(v)).map((v, i) => i === 3 ? f3(v) : f0(v)); + return `hsl(${hsla[0]} ${hsla[1]}% ${hsla[2]}% / ${hsla[3]})`; +}; +const cssHSLRegex = /^\s*hsl\(\s*(\d+)(?:deg|)\s*(?:,|)\s*(\d+)%\s*(?:,|)\s*(\d+)%\s*\)\s*$/; +const cssHSLARegex = /^\s*hsl\(\s*(\d+)(?:deg|)\s*(?:,|)\s*(\d+)%\s*(?:,|)\s*(\d+)%\s*\/\s*(\d+\.\d+|\d+)\s*\)\s*$/; + +const hex3DigitTo6Digit = v => `${v[0]}${v[0]}${v[1]}${v[1]}${v[2]}${v[2]}`; +const cssHSLToHex = v => { + const m = cssHSLRegex.exec(v); + const rgb = hslToRgbUint8([m[1], m[2], m[3]].map(v => parseFloat(v))); + return uint8RGBToHex(rgb); +}; +const cssHSLAToHex = v => { + const m = cssHSLARegex.exec(v); + const rgba = hslaToRgbaUint8([m[1], m[2], m[3], m[4]].map(v => parseFloat(v))); + return uint8RGBAToHex(rgba); +}; + +const euclideanModulo = (v, n) => ((v % n) + n) % n; + +export function hslToRgbUint8([h, s, l]) { + h = euclideanModulo(h, 360); + s = clamp(s / 100, 0, 1); + l = clamp(l / 100, 0, 1); + + const a = s * Math.min(l, 1 - l); + + function f(n) { + const k = (n + h / 30) % 12; + return l - a * Math.max(-1, Math.min(k - 3, 9 - k, 1)); + } + + return [f(0), f(8), f(4)].map(v => Math.round(v * 255)); +} + +export function hslaToRgbaUint8([h, s, l, a]) { + const rgb = hslToRgbUint8([h, s, l]); + return [...rgb, a * 255 | 0]; +} + +export function rgbFloatToHsl01([r, g, b]) { + const max = Math.max(r, g, b); + const min = Math.min(r, g, b); + const l = (min + max) * 0.5; + const d = max - min; + let h = 0; + let s = 0; + + if (d !== 0) { + s = (l === 0 || l === 1) + ? 0 + : (max - l) / Math.min(l, 1 - l); + + switch (max) { + case r: h = (g - b) / d + (g < b ? 6 : 0); break; + case g: h = (b - r) / d + 2; break; + case b: h = (r - g) / d + 4; + } + } + + return [h / 6, s, l]; +} + +export function rgbaFloatToHsla01([r, g, b, a]) { + const hsl = rgbFloatToHsl01([r, g, b]); + return [...hsl, a]; +} + +export const rgbUint8ToHsl = (rgb) => { + const [h, s, l] = rgbFloatToHsl01(rgb.map(v => v / 255)); + return [h * 360, s * 100, l * 100]; +}; + +export const rgbaUint8ToHsla = (rgba) => { + const [h, s, l, a] = rgbaFloatToHsla01(rgba.map(v => v / 255)); + return [h * 360, s * 100, l * 100, a]; +}; + +export function hsv01ToRGBFloat([hue, sat, val]) { + sat = clamp(sat, 0, 1); + val = clamp(val, 0, 1); + return [hue, hue + 2 / 3, hue + 1 / 3].map( + v => lerp(1, clamp(Math.abs(fract(v) * 6 - 3.0) - 1, 0, 1), sat) * val + ); +} + +export function hsva01ToRGBAFloat([hue, sat, val, alpha]) { + const rgb = hsv01ToRGBFloat([hue, sat, val]); + return [...rgb, alpha]; +} + +const round3 = v => Math.round(v * 1000) / 1000; + +export function rgbFloatToHSV01([r, g, b]) { + const p = b > g + ? [b, g, -1, 2 / 3] + : [g, b, 0, -1 / 3]; + const q = p[0] > r + ? [p[0], p[1], p[3], r] + : [r, p[1], p[2], p[0]]; + const d = q[0] - Math.min(q[3], q[1]); + return [ + Math.abs(q[2] + (q[3] - q[1]) / (6 * d + Number.EPSILON)), + d / (q[0] + Number.EPSILON), + q[0], + ].map(round3); +} + +export function rgbaFloatToHSVA01([r, g, b, a]) { + const hsv = rgbFloatToHSV01([r, g, b]); + return [...hsv, a]; +} + +// window.hsv01ToRGBFloat = hsv01ToRGBFloat; +// window.rgbFloatToHSV01 = rgbFloatToHSV01; + +// Yea, meh! +export const hasAlpha = format => format.endsWith('a') || format.startsWith('hex8'); + +const cssStringFormats = [ + { re: /^#(?:[0-9a-f]){6}$/i, format: 'hex6' }, + { re: /^(?:[0-9a-f]){6}$/i, format: 'hex6-no-hash' }, + { re: /^#(?:[0-9a-f]){8}$/i, format: 'hex8' }, + { re: /^(?:[0-9a-f]){8}$/i, format: 'hex8-no-hash' }, + { re: /^#(?:[0-9a-f]){3}$/i, format: 'hex3' }, + { re: /^(?:[0-9a-f]){3}$/i, format: 'hex3-no-hash' }, + { re: cssRGBRegex, format: 'css-rgb' }, + { re: cssHSLRegex, format: 'css-hsl' }, + { re: cssRGBARegex, format: 'css-rgba' }, + { re: cssHSLARegex, format: 'css-hsla' }, +]; + +function guessStringColorFormat(v) { + for (const formatInfo of cssStringFormats) { + if (formatInfo.re.test(v)) { + return formatInfo; + } + } + return undefined; +} + +export function guessFormat(v) { + switch (typeof v) { + case 'number': + console.warn('can not reliably guess format based on a number. You should pass in a format like {format: "uint32-rgb"} or {format: "uint32-rgb"}'); + return v <= 0xFFFFFF ? 'uint32-rgb' : 'uint32-rgba'; + case 'string': { + const formatInfo = guessStringColorFormat(v.trim()); + if (formatInfo) { + return formatInfo.format; + } + break; + } + case 'object': + if (v instanceof Uint8Array || v instanceof Uint8ClampedArray) { + if (v.length === 3) { + return 'uint8-rgb'; + } else if (v.length === 4) { + return 'uint8-rgba'; + } + } else if (v instanceof Float32Array) { + if (v.length === 3) { + return 'float-rgb'; + } else if (v.length === 4) { + return 'float-rgba'; + } + } else if (Array.isArray(v)) { + if (v.length === 3) { + return 'float-rgb'; + } else if (v.length === 4) { + return 'float-rgba'; + } + } else { + if ('r' in v && 'g' in v && 'b' in v) { + if ('a' in v) { + return 'object-rgba'; + } else { + return 'object-rgb'; + } + } + } + } + throw new Error(`unknown color format: ${v}`); +} + +function fixHex6(v) { + return v.trim(v); + //const formatInfo = guessStringColorFormat(v.trim()); + //const fix = formatInfo ? formatInfo.fix : v => v; + //return fix(v.trim()); +} + +function fixHex8(v) { + return v.trim(v); + //const formatInfo = guessStringColorFormat(v.trim()); + //const fix = formatInfo ? formatInfo.fix : v => v; + //return fix(v.trim()); +} + +function hex6ToHex3(hex6) { + return (hex6[1] === hex6[2] && + hex6[3] === hex6[4] && + hex6[5] === hex6[6]) + ? `#${hex6[1]}${hex6[3]}${hex6[5]}` + : hex6; +} + +const hex3RE = /^(#|)([0-9a-f]{3})$/i; +function hex3ToHex6(hex3) { + const m = hex3RE.exec(hex3); + if (m) { + const [, , m2] = m; + return `#${hex3DigitTo6Digit(m2)}`; + } + return hex3; +} + +function fixHex3(v) { + return hex6ToHex3(fixHex6(v)); +} + +const strToRGBObject = (s) => { + try { + const json = s.replace(/([a-z])/g, '"$1"'); + const rgb = JSON.parse(json); + if (Number.isNaN(rgb.r) || Number.isNaN(rgb.g) || Number.isNaN(rgb.b)) { + throw new Error('not {r, g, b}'); + } + return [true, rgb]; + } catch (e) { + return [false]; + } +}; + +const strToRGBAObject = (s) => { + try { + const json = s.replace(/([a-z])/g, '"$1"'); + const rgba = JSON.parse(json); + if (Number.isNaN(rgba.r) || Number.isNaN(rgba.g) || Number.isNaN(rgba.b) || Number.isNaN(rgba.a)) { + throw new Error('not {r, g, b, a}'); + } + return [true, rgba]; + } catch (e) { + return [false]; + } +}; + +const strToCssRGB = s => { + const m = cssRGBRegex.exec(s); + if (!m) { + return [false]; + } + const v = [m[1], m[2], m[3]].map(v => parseInt(v)); + const outOfRange = v.find(v => v > 255); + return [!outOfRange, `rgb(${v.join(', ')})`]; +}; + +const strToCssRGBA = s => { + const m = cssRGBARegex.exec(s); + if (!m) { + return [false]; + } + const v = [m[1], m[2], m[3], m[4]].map((v, i) => i === 3 ? parseFloat(v) : parseInt(v)); + const outOfRange = v.find(v => v > 255); + return [!outOfRange, `rgba(${v.join(', ')})`]; +}; + +const strToCssHSL = s => { + const m = cssHSLRegex.exec(s); + if (!m) { + return [false]; + } + const v = [m[1], m[2], m[3]].map(v => parseFloat(v)); + const outOfRange = v.find(v => Number.isNaN(v)); + return [!outOfRange, `hsl(${v[0]}, ${v[1]}%, ${v[2]}%)`]; +}; + +const strToCssHSLA = s => { + const m = cssHSLARegex.exec(s); + if (!m) { + return [false]; + } + const v = [m[1], m[2], m[3], m[4]].map(v => parseFloat(v)); + const outOfRange = v.find(v => Number.isNaN(v)); + return [!outOfRange, `hsl(${v[0]} ${v[1]}% ${v[2]}% / ${v[3]})`]; +}; + +const rgbObjectToStr = rgb => { + return `{r:${f3(rgb.r)}, g:${f3(rgb.g)}, b:${f3(rgb.b)}}`; +}; +const rgbaObjectToStr = rgba => { + return `{r:${f3(rgba.r)}, g:${f3(rgba.g)}, b:${f3(rgba.b)}}, a:${f3(rgba.a)}}`; +}; + +const strTo3IntsRE = /^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*$/; +const strTo3Ints = s => { + const m = strTo3IntsRE.exec(s); + if (!m) { + return [false]; + } + const v = [m[1], m[2], m[3]].map(v => parseInt(v)); + const outOfRange = v.find(v => v > 255); + return [!outOfRange, v]; +}; + +const strTo4IntsRE = /^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*$/; +const strTo4Ints = s => { + const m = strTo4IntsRE.exec(s); + if (!m) { + return [false]; + } + const v = [m[1], m[2], m[3], m[4]].map(v => parseInt(v)); + const outOfRange = v.find(v => v > 255); + return [!outOfRange, v]; +}; + +const strTo3Floats = s => { + const numbers = s.split(',').map(s => s.trim()); + const v = numbers.map(v => parseFloat(v)); + if (v.length !== 3) { + return [false]; + } + // Note: using isNaN not Number.isNaN + const badNdx = numbers.findIndex(v => isNaN(v)); + return [badNdx < 0, v.map(v => f3(v))]; +}; + +const strTo4Floats = s => { + const numbers = s.split(',').map(s => s.trim()); + const v = numbers.map(v => parseFloat(v)); + if (v.length !== 4) { + return [false]; + } + // Note: using isNaN not Number.isNaN + const badNdx = numbers.findIndex(v => isNaN(v)); + return [badNdx < 0, v.map(v => f3(v))]; +}; + +const strToUint32RGBRegex = /^\s*(?:0x){0,1}([0-9a-z]{1,6})\s*$/i; +const strToUint32RGB = s => { + const m = strToUint32RGBRegex.exec(s); + if (!m) { + return [false]; + } + return [true, parseInt(m[1], 16)]; +}; + +const strToUint32RGBARegex = /^\s*(?:0x){0,1}([0-9a-z]{1,8})\s*$/i; +const strToUint32RGBA = s => { + const m = strToUint32RGBARegex.exec(s); + if (!m) { + return [false]; + } + return [true, parseInt(m[1], 16)]; +}; + +const hex6RE = /^\s*#[a-f0-9]{6}\s*$|^\s*#[a-f0-9]{3}\s*$/i; +const hexNoHash6RE = /^\s*[a-f0-9]{6}\s*$/i; +const hex8RE = /^\s*#[a-f0-9]{8}\s*$/i; +const hexNoHash8RE = /^\s*[a-f0-9]{8}\s*$/i; + +// For each format converter +// +// fromHex/toHex convert from/to '#RRGGBB' +// +// fromHex converts from the string '#RRBBGG' to the format +// (eg: for uint32-rgb, '#123456' becomes 0x123456) +// +// toHex converts from the format to '#RRGGBB' +// (eg: for uint8-rgb, [16, 33, 50] becomes '#102132') +// +// +// fromStr/toStr convert from/to what's in the input[type=text] element +// +// toStr converts from the format to its string representation +// (eg, for object-rgb, {r: 1, g: 0.5, b:0} becomes "{r: 1, g: 0.5, b:0}") +// ^object ^string +// +// fromStr converts its string representation to its format +// (eg, for object-rgb) "{r: 1, g: 0.5, b:0}" becomes {r: 1, g: 0.5, b:0}) +// ^string ^object +// fromString returns an array which is [valid, v] +// where valid is true if the string was a valid and v is the converted +// format if v is true. +// +// Note: toStr should convert to "ideal" form (whatever that is). +// (eg, for css-rgb +// "{ r: 0.10000, g: 001, b: 0}" becomes "{r: 0.1, g: 1, b: 0}" +// notice that css-rgb is a string to a string +// ) +export const colorFormatConverters = { + 'hex6': { + color: { + from: v => [true, v], + to: fixHex6, + }, + text: { + from: v => [hex6RE.test(v), v.trim()], + to: v => v, + }, + }, + 'hex8': { + color: { + from: v => [true, v], + to: fixHex8, + }, + text: { + from: v => [hex8RE.test(v), v.trim()], + to: v => v, + }, + }, + 'hex3': { + color: { + from: v => [true, fixHex3(v)], + to: hex3ToHex6, + }, + text: { + from: v => [hex6RE.test(v), hex6ToHex3(v.trim())], + to: v => v, + }, + }, + 'hex6-no-hash': { + color: { + from: v => [true, v.substring(1)], + to: v => `#${fixHex6(v)}`, + }, + text: { + from: v => [hexNoHash6RE.test(v), v.trim()], + to: v => v, + }, + }, + 'hex8-no-hash': { + color: { + from: v => [true, v.substring(1)], + to: v => `#${fixHex8(v)}`, + }, + text: { + from: v => [hexNoHash8RE.test(v), v.trim()], + to: v => v, + }, + }, + 'hex3-no-hash': { + color: { + from: v => [true, fixHex3(v).substring(1)], + to: hex3ToHex6, + }, + text: { + from: v => [hexNoHash6RE.test(v), hex6ToHex3(v.trim())], + to: v => v, + }, + }, + 'uint32-rgb': { + color: { + from: v => [true, hexToUint32RGB(v)], + to: uint32RGBToHex, + }, + text: { + from: v => strToUint32RGB(v), + to: v => `0x${v.toString(16).padStart(6, '0')}`, + }, + }, + 'uint32-rgba': { + color: { + from: v => [true, hexToUint32RGBA(v)], + to: uint32RGBAToHex, + }, + text: { + from: v => strToUint32RGBA(v), + to: v => `0x${v.toString(16).padStart(8, '0')}`, + }, + }, + 'uint8-rgb': { + color: { + from: v => [true, hexToUint8RGB(v)], + to: uint8RGBToHex, + }, + text: { + from: strTo3Ints, + to: v => v.join(', '), + }, + }, + 'uint8-rgba': { + color: { + from: v => [true, hexToUint8RGBA(v)], + to: uint8RGBAToHex, + }, + text: { + from: strTo4Ints, + to: v => v.join(', '), + }, + }, + 'float-rgb': { + color: { + from: v => [true, hexToFloatRGB(v)], + to: floatRGBToHex, + }, + text: { + from: strTo3Floats, + // need Array.from because map of Float32Array makes a Float32Array + to: v => Array.from(v).map(v => f3(v)).join(', '), + }, + }, + 'float-rgba': { + color: { + from: v => [true, hexToFloatRGBA(v)], + to: floatRGBAToHex, + }, + text: { + from: strTo4Floats, + // need Array.from because map of Float32Array makes a Float32Array + to: v => Array.from(v).map(v => f3(v)).join(', '), + }, + }, + 'object-rgb': { + color: { + from: v => [true, hexToObjectRGB(v)], + to: objectRGBToHex, + }, + text: { + from: strToRGBObject, + to: rgbObjectToStr, + }, + }, + 'object-rgba': { + color: { + from: v => [true, hexToObjectRGBA(v)], + to: objectRGBAToHex, + }, + text: { + from: strToRGBAObject, + to: rgbaObjectToStr, + }, + }, + 'css-rgb': { + color: { + from: v => [true, hexToCssRGB(v)], + to: cssRGBToHex, + }, + text: { + from: strToCssRGB, + to: v => strToCssRGB(v)[1], + }, + }, + 'css-rgba': { + color: { + from: v => [true, hexToCssRGBA(v)], + to: cssRGBAToHex, + }, + text: { + from: strToCssRGBA, + to: v => strToCssRGBA(v)[1], + }, + }, + 'css-hsl': { + color: { + from: v => [true, hexToCssHSL(v)], + to: cssHSLToHex, + }, + text: { + from: strToCssHSL, + to: v => strToCssHSL(v)[1], + }, + }, + 'css-hsla': { + color: { + from: v => [true, hexToCssHSLA(v)], + to: cssHSLAToHex, + }, + text: { + from: strToCssHSLA, + to: v => strToCssHSLA(v)[1], + }, + }, +}; \ No newline at end of file diff --git a/src/libs/conversions.js b/src/libs/conversions.js new file mode 100644 index 0000000..086a2f9 --- /dev/null +++ b/src/libs/conversions.js @@ -0,0 +1,22 @@ +import { + makeRangeConverters, +} from './utils.js'; + +export const identity = { + to: v => v, + from: v => [true, v], +}; + +// from: from string to value +// to: from value to string +export const strToNumber = { + to: v => v.toString(), + from: v => { + const newV = parseFloat(v); + return [!Number.isNaN(newV), newV]; + }, +}; + +export const converters = { + radToDeg: makeRangeConverters({to: [0, 180], from: [0, Math.PI]}), +}; diff --git a/src/libs/css-utils.js b/src/libs/css-utils.js new file mode 100644 index 0000000..325c457 --- /dev/null +++ b/src/libs/css-utils.js @@ -0,0 +1,3 @@ +export function classNamesToStr(names) { + return Array.isArray(names) ? names.filter(v => v).join(' ') : names; +} \ No newline at end of file diff --git a/src/libs/elem.js b/src/libs/elem.js new file mode 100644 index 0000000..44b5a9f --- /dev/null +++ b/src/libs/elem.js @@ -0,0 +1,37 @@ +export function setElemProps(elem, attrs, children) { + for (const [key, value] of Object.entries(attrs)) { + if (typeof value === 'function' && key.startsWith('on')) { + const eventName = key.substring(2).toLowerCase(); + elem.addEventListener(eventName, value, {passive: false}); + } else if (typeof value === 'object') { + for (const [k, v] of Object.entries(value)) { + elem[key][k] = v; + } + } else if (elem[key] === undefined) { + elem.setAttribute(key, value); + } else { + elem[key] = value; + } + } + for (const child of children) { + elem.appendChild(child); + } + return elem; +} + +export function createElem(tag, attrs = {}, children = []) { + const elem = document.createElement(tag); + setElemProps(elem, attrs, children); + return elem; +} + +export function addElem(tag, parent, attrs = {}, children = []) { + const elem = createElem(tag, attrs, children); + parent.appendChild(elem); + return elem; +} + +let nextId = 0; +export function getNewId() { + return `muigui-id-${nextId++}`; +} diff --git a/src/libs/emitter.js b/src/libs/emitter.js new file mode 100644 index 0000000..186c808 --- /dev/null +++ b/src/libs/emitter.js @@ -0,0 +1,68 @@ +import { removeArrayElem } from '../libs/utils.js'; + +/** + * Similar to EventSource + */ +export default class Emitter { + #listeners; + #changes; + #receivers; + #emitting; + + constructor() { + this.#listeners = {}; + this.#changes = []; + this.#receivers = []; + } + on(type, listener) { + if (this.#emitting) { + this.#changes.push(['add', type, listener]); + return; + } + const listeners = this.#listeners[type] || []; + listeners.push(listener); + this.#listeners[type] = listeners; + } + addListener(type, listener) { + return this.on(type, listener); + } + removeListener(type, listener) { + if (this.#emitting) { + this.#changes.push(['remove', type, listener]); + return; + } + const listeners = this.#listeners[type]; + if (listeners) { + removeArrayElem(listeners, listener); + } + } + propagate(receiver) { + this.#receivers.push(receiver); + } + emit(type, ...args) { + this.#emitting = true; + const listeners = this.#listeners[type]; + if (listeners) { + for (const listener of listeners) { + listener(...args); + } + } + this.#emitting = false; + while (this.#changes.length) { + const [cmd, type, listener] = this.#changes.shift(); + switch (cmd) { + case 'add': + this.on(type, listener); + break; + case 'remove': + this.removeListener(type, listener); + break; + default: + throw new Error('unknown type'); + } + } + for (const receiver of this.#receivers) { + receiver.emit(type, ...args); + } + } +} \ No newline at end of file diff --git a/src/libs/ids.js b/src/libs/ids.js new file mode 100644 index 0000000..dd5fbf7 --- /dev/null +++ b/src/libs/ids.js @@ -0,0 +1,5 @@ +let id = 0; + +export function makeId() { + return `muigui-${++id}`; +} diff --git a/src/libs/iterable-array.js b/src/libs/iterable-array.js new file mode 100644 index 0000000..c74ead0 --- /dev/null +++ b/src/libs/iterable-array.js @@ -0,0 +1,57 @@ +import { removeArrayElem } from './utils.js'; + +export default class IterableArray { + #arr; + #added; + #removedSet; + #iterating; + + constructor() { + this.#arr = []; + this.#added = []; + this.#removedSet = new Set(); + } + add(elem) { + if (this.#iterating) { + this.#removedSet.delete(elem); + this.#added.push(elem); + } else { + this.#arr.push(elem); + } + } + remove(elem) { + if (this.#iterating) { + removeArrayElem(this.#added, elem); + this.#removedSet.add(elem); + } else { + removeArrayElem(this.#arr, elem); + } + } + #process(arr, fn) { + for (const elem of arr) { + if (!this.#removedSet.has(elem)) { + if (fn(elem) === false) { + break; + } + } + } + } + forEach(fn) { + this.#iterating = true; + this.#process(this.#arr, fn); + do { + if (this.#removedSet.size) { + for (const elem of this.#removedSet.values()) { + removeArrayElem(this.#arr, elem); + } + this.#removedSet.clear(); + } + if (this.#added.length) { + const added = this.#added; + this.#added = []; + this.#process(added, fn); + } + } while (this.#added.length || this.#removedSet.size); + this.#iterating = false; + } +} \ No newline at end of file diff --git a/src/libs/key-values.js b/src/libs/key-values.js new file mode 100644 index 0000000..a043399 --- /dev/null +++ b/src/libs/key-values.js @@ -0,0 +1,25 @@ + +// 4 cases +// (a) keyValues is array of arrays, each sub array is key value +// (b) keyValues is array and value is number then keys = array contents, value = index +// (c) keyValues is array and value is not number, key = array contents, value = array contents +// (d) keyValues is object then key->value +export function convertToKeyValues(keyValues, valueIsNumber) { + if (Array.isArray(keyValues)) { + if (Array.isArray(keyValues[0])) { + // (a) keyValues is array of arrays, each sub array is key value + return keyValues; + } else { + if (valueIsNumber) { + // (b) keyValues is array and value is number then keys = array contents, value = index + return keyValues.map((v, ndx) => [v, ndx]); + } else { + // (c) keyValues is array and value is not number, key = array contents, value = array contents + return keyValues.map(v => [v, v]); + } + } + } else { + // (d) + return [...Object.entries(keyValues)]; + } +} diff --git a/src/libs/keyboard.js b/src/libs/keyboard.js new file mode 100644 index 0000000..562f092 --- /dev/null +++ b/src/libs/keyboard.js @@ -0,0 +1,32 @@ +function noop() { +} + +const keyDirections = { + ArrowLeft: [-1, 0], + ArrowRight: [1, 0], + ArrowUp: [0, -1], + ArrowDown: [0, 1], +}; + +// This probably needs to be global +export function addKeyboardEvents(elem, {onDown = noop, onUp = noop}) { + const keyDown = function (event) { + const mult = event.shiftKey ? 10 : 1; + const [dx, dy] = (keyDirections[event.key] || [0, 0]).map(v => v * mult); + const fn = event.type === 'keydown' ? onDown : onUp; + fn({ + type: event.type.substring(3), + dx, + dy, + event, + }); + }; + + elem.addEventListener('keydown', keyDown); + elem.addEventListener('keyup', keyDown); + + return function () { + elem.removeEventListener('keydown', keyDown); + elem.removeEventListener('keyup', keyDown); + }; +} \ No newline at end of file diff --git a/src/libs/resize-helpers.js b/src/libs/resize-helpers.js new file mode 100644 index 0000000..b5c1a22 --- /dev/null +++ b/src/libs/resize-helpers.js @@ -0,0 +1,22 @@ +export function onResize(elem, callback) { + new ResizeObserver(() => { + callback({rect: elem.getBoundingClientRect(), elem}); + }).observe(elem); +} + +export function onResizeSVGNoScale(elem, hAnchor, vAnchor, callback) { + onResize(elem, ({rect}) => { + const {width, height} = rect; + elem.setAttribute('viewBox', `-${width * hAnchor} -${height * vAnchor} ${width} ${height}`); + callback({elem, rect}); + }); +} + +export function onResizeCanvas(elem, callback) { + onResize(elem, ({rect}) => { + const {width, height} = rect; + elem.width = width; + elem.height = height; + callback({elem, rect}); + }); +} diff --git a/src/libs/svg.js b/src/libs/svg.js new file mode 100644 index 0000000..e090191 --- /dev/null +++ b/src/libs/svg.js @@ -0,0 +1,33 @@ +import { assert } from '../libs/assert.js'; + +function getEllipsePointForAngle(cx, cy, rx, ry, phi, theta) { + const m = Math.abs(rx) * Math.cos(theta); + const n = Math.abs(ry) * Math.sin(theta); + + return [ + cx + Math.cos(phi) * m - Math.sin(phi) * n, + cy + Math.sin(phi) * m + Math.cos(phi) * n, + ]; +} + +function getEndpointParameters(cx, cy, rx, ry, phi, theta, dTheta) { + const [x1, y1] = getEllipsePointForAngle(cx, cy, rx, ry, phi, theta); + const [x2, y2] = getEllipsePointForAngle(cx, cy, rx, ry, phi, theta + dTheta); + + const fa = Math.abs(dTheta) > Math.PI ? 1 : 0; + const fs = dTheta > 0 ? 1 : 0; + + return { x1, y1, x2, y2, fa, fs }; +} + +export function arc(cx, cy, r, start, end) { + assert(Math.abs(start - end) <= Math.PI * 2); + assert(start >= -Math.PI && start <= Math.PI * 2); + assert(start <= end); + assert(end >= -Math.PI && end <= Math.PI * 4); + + const { x1, y1, x2, y2, fa, fs } = getEndpointParameters(cx, cy, r, r, 0, start, end - start); + return Math.abs(Math.abs(start - end) - Math.PI * 2) > Number.EPSILON + ? `M${cx} ${cy} L${x1} ${y1} A ${r} ${r} 0 ${fa} ${fs} ${x2} ${y2} L${cx} ${cy}` + : `M${x1} ${y1} L${x1} ${y1} A ${r} ${r} 0 ${fa} ${fs} ${x2} ${y2}`; +} diff --git a/src/libs/taskrunner.js b/src/libs/taskrunner.js new file mode 100644 index 0000000..901b638 --- /dev/null +++ b/src/libs/taskrunner.js @@ -0,0 +1,56 @@ +import { removeArrayElem } from './utils.js'; + +const tasks = []; +const tasksToRemove = new Set(); + +let requestId; +let processing; + +function removeTasks() { + if (!tasksToRemove.size) { + return; + } + + if (processing) { + queueProcessing(); + return; + } + + tasksToRemove.forEach(task => { + removeArrayElem(tasks, task); + }); + tasksToRemove.clear(); +} + +function processTasks() { + requestId = undefined; + processing = true; + for (const task of tasks) { + if (!tasksToRemove.has(task)) { + task(); + } + } + processing = false; + removeTasks(); + queueProcessing(); +} + +function queueProcessing() { + if (!requestId && tasks.length) { + requestId = requestAnimationFrame(processTasks); + } +} + +export function addTask(fn) { + tasks.push(fn); + queueProcessing(); +} + +export function removeTask(fn) { + tasksToRemove.set(fn); + + const ndx = tasks.indexOf(fn); + if (ndx >= 0) { + tasks.splice(ndx, 1); + } +} \ No newline at end of file diff --git a/src/libs/touch.js b/src/libs/touch.js new file mode 100644 index 0000000..d4df304 --- /dev/null +++ b/src/libs/touch.js @@ -0,0 +1,56 @@ +function noop() { +} + +export function computeRelativePosition(elem, event, start) { + const rect = elem.getBoundingClientRect(); + const x = event.clientX - rect.left; + const y = event.clientY - rect.top; + const nx = x / rect.width; + const ny = y / rect.height; + start = start || [x, y]; + const dx = x - start[0]; + const dy = y - start[1]; + const ndx = dx / rect.width; + const ndy = dy / rect.width; + return {x, y, nx, ny, dx, dy, ndx, ndy}; +} + +export function addTouchEvents(elem, {onDown = noop, onMove = noop, onUp = noop}) { + let start; + const pointerMove = function (event) { + const e = { + type: 'move', + ...computeRelativePosition(elem, event, start), + }; + onMove(e); + }; + + const pointerUp = function (event) { + elem.releasePointerCapture(event.pointerId); + elem.removeEventListener('pointermove', pointerMove); + elem.removeEventListener('pointerup', pointerUp); + + document.body.style.backgroundColor = ''; + + onUp('up'); + }; + + const pointerDown = function (event) { + elem.addEventListener('pointermove', pointerMove); + elem.addEventListener('pointerup', pointerUp); + elem.setPointerCapture(event.pointerId); + + const rel = computeRelativePosition(elem, event); + start = [rel.x, rel.y]; + onDown({ + type: 'down', + ...rel, + }); + }; + + elem.addEventListener('pointerdown', pointerDown); + + return function () { + elem.removeEventListener('pointerdown', pointerDown); + }; +} \ No newline at end of file diff --git a/src/libs/utils.js b/src/libs/utils.js new file mode 100644 index 0000000..3f6673c --- /dev/null +++ b/src/libs/utils.js @@ -0,0 +1,105 @@ +export function removeArrayElem(array, value) { + const ndx = array.indexOf(value); + if (ndx) { + array.splice(ndx, 1); + } + return array; +} + +/** + * Converts an camelCase or snake_case id to "camel case" or "snake case" + * @param {string} id + */ +const underscoreRE = /_/g; +const upperLowerRE = /([A-Z])([a-z])/g; +export function idToLabel(id) { + return id.replace(underscoreRE, ' ') + .replace(upperLowerRE, (m, m1, m2) => `${m1.toLowerCase()} ${m2}`); +} + +export function clamp(v, min, max) { + return Math.max(min, Math.min(max, v)); +} + +export const isTypedArray = typeof SharedArrayBuffer !== 'undefined' + ? function isArrayBufferOrSharedArrayBuffer(a) { + return a && a.buffer && (a.buffer instanceof ArrayBuffer || a.buffer instanceof SharedArrayBuffer); + } + : function isArrayBuffer(a) { + return a && a.buffer && a.buffer instanceof ArrayBuffer; + }; + +export const isArrayOrTypedArray = v => Array.isArray(v) || isTypedArray(v); + +// Yea, I know this should be `Math.round(v / step) * step +// but try step = 0.1, newV = 19.95 +// +// I get +// Math.round(19.95 / 0.1) * 0.1 +// 19.900000000000002 +// vs +// Math.round(19.95 / 0.1) / (1 / 0.1) +// 19.9 +// +export const stepify = (v, from, step) => Math.round(from(v) / step) / (1 / step); + +export const euclideanModulo = (v, n) => ((v % n) + n) % n; +export const lerp = (a, b, t) => a + (b - a) * t; +export function copyExistingProperties(dst, src) { + for (const key in src) { + if (key in dst) { + dst[key] = src[key]; + } + } + return dst; +} + +export const mapRange = (v, inMin, inMax, outMin, outMax) => (v - inMin) * (outMax - outMin) / (inMax - inMin) + outMin; + +export const makeRangeConverters = ({from, to}) => { + return { + to: v => mapRange(v, ...from, ...to), + from: v => [true, mapRange(v, ...to, ...from)], + }; +}; + +export const makeRangeOptions = ({from, to, step}) => { + return { + min: to[0], + max: to[1], + ...(step && {step}), + converters: makeRangeConverters({from, to}), + }; +}; + +// TODO: remove an use one in conversions. Move makeRangeConverters there? +export const identity = { + to: v => v, + from: v => [true, v], +}; +export function makeMinMaxPair(gui, properties, minPropName, maxPropName, options) { + const { converters: { from } = identity } = options; + const { min, max } = options; + const guiMinRange = options.minRange || 0; + const valueMinRange = from(guiMinRange)[1]; + const minGui = gui + .add(properties, minPropName, { + ...options, + min, + max: max - guiMinRange, + }) + .onChange(v => { + maxGui.setValue(Math.min(max, Math.max(v + valueMinRange, properties[maxPropName]))); + }); + const maxGui = gui + .add(properties, maxPropName, { + ...options, + min: min + guiMinRange, + max, + }) + .onChange(v => { + minGui.setValue(Math.max(min, Math.min(v - valueMinRange, properties[minPropName]))); + }); + return [ minGui, maxGui ]; +} + diff --git a/src/libs/wheel.js b/src/libs/wheel.js new file mode 100644 index 0000000..2ac7f0f --- /dev/null +++ b/src/libs/wheel.js @@ -0,0 +1,10 @@ +export function createWheelHelper() { + let wheelAccum = 0; + return function (e, step, wheelScale = 5) { + wheelAccum -= e.deltaY * step / wheelScale; + const wheelSteps = Math.floor(Math.abs(wheelAccum) / step) * Math.sign(wheelAccum); + const delta = wheelSteps * step; + wheelAccum -= delta; + return delta; + }; +} diff --git a/src/muigui.js b/src/muigui.js new file mode 100644 index 0000000..8a59469 --- /dev/null +++ b/src/muigui.js @@ -0,0 +1,163 @@ +import css from './styles/muigui.css.js'; +import {createElem} from './libs/elem.js'; +import {createController} from './controllers/create-controller.js'; +import { + mapRange, + makeRangeConverters, + makeRangeOptions, + makeMinMaxPair, +} from './libs/utils.js'; +import { + converters +} from './libs/conversions.js'; +import { + hasAlpha, + guessFormat, +} from './libs/color-utils.js'; +import Canvas from './controllers/Canvas.js'; +import Color from './controllers/Color.js'; +import Divider from './controllers/Divider.js'; +import Folder from './controllers/Folder.js'; +import Label from './controllers/Label.js'; +import Controller from './controllers/Controller.js'; +import ColorChooser from './controllers/ColorChooser.js'; + +import Column from './layout/Column.js'; +import Frame from './layout/Frame.js'; +import Grid from './layout/Grid.js'; +import Row from './layout/Row.js'; + +export { + Column, + Frame, + Grid, + Row, +}; + +export class GUIFolder extends Folder { + add(object, property, ...args) { + const controller = object instanceof Controller + ? object + : createController(object, property, ...args); + return this.addController(controller); + } + addCanvas(name) { + return this.addController(new Canvas(name)); + } + addColor(object, property, options = {}) { + const value = object[property]; + if (hasAlpha(options.format || guessFormat(value))) { + return this.addController(new ColorChooser(object, property, options)); + } else { + return this.addController(new Color(object, property, options)); + } + } + addDivider() { + return this.addController(new Divider()); + } + addFolder(name) { + return this.addController(new GUIFolder(name)); + } + addLabel(text) { + return this.addController(new Label(text)); + } +} + +class MuiguiElement extends HTMLElement { + constructor() { + super(); + this.shadow = this.attachShadow({mode: 'open'}); + } +} + +customElements.define('muigui-element', MuiguiElement); + +const baseStyleSheet = new CSSStyleSheet(); +baseStyleSheet.replaceSync(css.default); +const userStyleSheet = new CSSStyleSheet(); + +function makeStyleSheetUpdater(styleSheet) { + let newCss; + let newCssPromise; + + function updateStyle() { + if (newCss && !newCssPromise) { + const s = newCss; + newCss = undefined; + newCssPromise = styleSheet.replace(s).then(() => { + newCssPromise = undefined; + updateStyle(); + }); + } + } + + return function updateStyleSheet(css) { + newCss = css; + updateStyle(); + }; +} + +const updateBaseStyle = makeStyleSheetUpdater(baseStyleSheet); +const updateUserStyle = makeStyleSheetUpdater(userStyleSheet); + +export class GUI extends GUIFolder { + static converters = converters; + static mapRange = mapRange; + static makeRangeConverters = makeRangeConverters; + static makeRangeOptions = makeRangeOptions; + static makeMinMaxPair = makeMinMaxPair; + #localStyleSheet = new CSSStyleSheet(); + + constructor(options = {}) { + super('Controls', 'muigui-root'); + if (options instanceof HTMLElement) { + options = {parent: options}; + } + const { + autoPlace = true, + width, + title = 'Controls', + } = options; + let { + parent, + } = options; + + if (width) { + this.domElement.style.width = /^\d+$/.test(width) ? `${width}px` : width; + } + if (parent === undefined && autoPlace) { + parent = document.body; + this.domElement.classList.add('muigui-auto-place'); + } + if (parent) { + const muiguiElement = createElem('muigui-element'); + muiguiElement.shadowRoot.adoptedStyleSheets = [baseStyleSheet, userStyleSheet, this.#localStyleSheet]; + muiguiElement.shadow.appendChild(this.domElement); + parent.appendChild(muiguiElement); + } + if (title) { + this.title(title); + } + this.domElement.classList.add('muigui', 'muigui-colors'); + } + setStyle(css) { + this.#localStyleSheet.replace(css); + } + static setBaseStyles(css) { + updateBaseStyle(css); + } + static getBaseStyleSheet() { + return baseStyleSheet; + } + static setUserStyles(css) { + updateUserStyle(css); + } + static getUserStyleSheet() { + return userStyleSheet; + } + static setTheme(name) { + GUI.setBaseStyles(`${css.default}\n${css.themes[name] || ''}`); + } +} + +export default GUI; diff --git a/src/styles/muigui.css.js b/src/styles/muigui.css.js new file mode 100644 index 0000000..f961386 --- /dev/null +++ b/src/styles/muigui.css.js @@ -0,0 +1,756 @@ +export default { + default: ` +.muigui { + --bg-color: #ddd; + --color: #222; + --contrast-color: #eee; + --value-color: #145 ; + --value-bg-color: #eeee; + --disabled-color: #999; + --menu-bg-color: #f8f8f8; + --menu-sep-color: #bbb; + --hover-bg-color: #999; + --focus-color: #68C; + --range-color: #888888; + --invalid-color: #FF0000; + --selected-color: rgb(255, 255, 255, 0.9); + + --button-bg-color: var(--value-bg-color); + + --range-left-color: var(--value-color); + --range-right-color: var(--value-bg-color); + --range-right-hover-color: var(--hover-bg-color); + + color: var(--color); + background-color: var(--bg-color); +} + +@media (prefers-color-scheme: dark) { + .muigui { + --bg-color: #222222; + --color: #dddddd; + --contrast-color: #000; + --value-color: #43e5f7; + --value-bg-color: #444444; + --disabled-color: #666666; + --menu-bg-color: #080808; + --menu-sep-color: #444444; + --hover-bg-color: #666666; + --focus-color: #88AAFF; + --range-color: #888888; + --invalid-color: #FF6666; + --selected-color: rgba(255, 255, 255, 0.3); + + --button-bg-color: var(--value-bg-color); + + --range-left-color: var(--value-color); + --range-right-color: var(--value-bg-color); + --range-right-hover-color: var(--hover-bg-color); + + color: var(--color); + background-color: var(--bg-color); + } +} + +.muigui { + --width: 250px; + --label-width: 45%; + --number-width: 40%; + + + --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif; + --font-size: 11px; + --font-family-mono: Menlo, Monaco, Consolas, "Droid Sans Mono", monospace; + --font-size-mono: 11px; + + --line-height: 1.7em; + --border-radius: 0px; + + width: var(--width); + font-family: var(--font-family); + font-size: var(--font-size); + box-sizing: border-box; + line-height: 100%; +} +.muigui * { + box-sizing: inherit; +} + +.muigui-no-scroll { + touch-action: none; +} +.muigui-no-h-scroll { + touch-action: pan-y; +} +.muigui-no-v-scroll { + touch-action: pan-x; +} + +.muigui-invalid-value { + background-color: red !important; + color: white !important; +} + +.muigui-grid { + display: grid; +} +.muigui-rows { + display: flex; + flex-direction: column; + + min-height: 20px; + border: 2px solid red; +} +.muigui-columns { + display: flex; + flex-direction: row; + + height: 20px; + border: 2px solid green; +} +.muigui-rows>*, +.muigui-columns>* { + flex: 1 1 auto; + align-items: stretch; + min-height: 0; + min-width: 0; +} + +.muigui-row { + border: 2px solid yellow; + min-height: 10px +} +.muigui-column { + border: 2px solid lightgreen; +} + +/* -------- */ + +.muigui-show { /* */ } +.muigui-hide { + display: none !important; +} +.muigui-disabled { + pointer-events: none; + --color: var(--disabled-color) !important; + --value-color: var(--disabled-color) !important; + --range-left-color: var(--disabled-color) !important; +} + +.muigui canvas, +.muigui svg { + display: block; + border-radius: var(--border-radius); +} +.muigui canvas { + background-color: var(--value-bg-color); +} + +.muigui-controller { + min-width: 0; + min-height: var(--line-height); +} +.muigui-root, +.muigui-menu { + display: flex; + flex-direction: column; + position: relative; + user-select: none; + height: fit-content; + margin: 0; + padding-bottom: 0.1em; + border-radius: var(--border-radius); +} +.muigui-menu { + border-bottom: 1px solid var(--menu-sep-color); +} + +.muigui-root>button:nth-child(1), +.muigui-menu>button:nth-child(1) { + border-top: 1px solid var(--menu-sep-color); + border-bottom: 1px solid var(--menu-sep-color); + position: relative; + text-align: left; + color: var(--color); + background-color: var(--menu-bg-color); + min-height: var(--line-height); + padding-top: 0.2em; + padding-bottom: 0.2em; + cursor: pointer; + border-radius: var(--border-radius); +} +.muigui-root>div:nth-child(2), +.muigui-menu>div:nth-child(2) { + flex: 1 1 auto; +} + +.muigui-controller { + margin-left: 0.2em; + margin-right: 0.2em; +} +.muigui-root.muigui-controller, +.muigui-menu.muigui-controller { + margin-left: 0; + margin-right: 0; +} +.muigui-controller>*:nth-child(1) { + flex: 1 0 var(--label-width); + min-width: 0; + white-space: pre; +} +.muigui-controller>label:nth-child(1) { + place-content: center start; + display: inline-grid; + overflow: hidden; +} +.muigui-controller>*:nth-child(2) { + flex: 1 1 75%; + min-width: 0; +} + +/* ----------------------------------------- + a label controller is [[label][value]] +*/ + +.muigui-label-controller { + display: flex; + margin: 0.4em 0 0.4em 0; + word-wrap: initial; + align-items: stretch; +} + +.muigui-value { + display: flex; + align-items: stretch; +} +.muigui-value>* { + flex: 1 1 auto; + min-width: 0; +} +.muigui-value>*:nth-child(1) { + flex: 1 1 calc(100% - var(--number-width)); +} +.muigui-value>*:nth-child(2) { + flex: 1 1 var(--number-width); + margin-left: 0.2em; +} + +/* fix! */ +.muigui-open>button>label::before, +.muigui-closed>button>label::before { + width: 1.25em; + height: var(--line-height); + display: inline-grid; + place-content: center start; + pointer-events: none; +} +.muigui-open>button>label::before { + content: "ⓧ"; /*"▼";*/ +} +.muigui-closed>button>label::before { + content: "⨁"; /*"▶";*/ +} +.muigui-open>*:nth-child(2) { + transition: max-height 0.2s ease-out, + opacity 0.5s ease-out; + max-height: 100vh; + overflow: auto; + opacity: 1; +} + +.muigui-closed>*:nth-child(2) { + transition: max-height 0.2s ease-out, + opacity 1s; + max-height: 0; + opacity: 0; + overflow: hidden; +} + +/* ---- popdown ---- */ + +.muigui-pop-down-top { + display: flex; +} +/* fix? */ +.muigui-value>*:nth-child(1).muigui-pop-down-top { + flex: 0; +} +.muigui-pop-down-bottom { + +} + +.muigui-pop-down-values { + min-width: 0; + display: flex; +} +.muigui-pop-down-values>* { + flex: 1 1 auto; + min-width: 0; +} + +.muigui-value.muigui-pop-down-controller { + flex-direction: column; +} + +.muigui-pop-down-top input[type=checkbox] { + -webkit-appearance: none; + appearance: none; + width: auto; + color: var(--value-color); + background-color: var(--value-bg-color); + cursor: pointer; + + display: grid; + place-content: center; + margin: 0; + font: inherit; + color: currentColor; + width: 1.7em; + height: 1.7em; + transform: translateY(-0.075em); +} + +.muigui-pop-down-top input[type=checkbox]::before { + content: "+"; + display: grid; + place-content: center; + border-radius: calc(var(--border-radius) + 2px); + border-left: 1px solid rgba(255,255,255,0.3); + border-top: 1px solid rgba(255,255,255,0.3); + border-bottom: 1px solid rgba(0,0,0,0.2); + border-right: 1px solid rgba(0,0,0,0.2); + background-color: var(--range-color); + color: var(--value-bg-color); + width: calc(var(--line-height) - 4px); + height: calc(var(--line-height) - 4px); +} + +.muigui-pop-down-top input[type=checkbox]:checked::before { + content: "Ｘ"; +} + + +/* ---- select ---- */ + +.muigui select, +.muigui option, +.muigui input, +.muigui button { + color: var(--value-color); + background-color: var(--value-bg-color); + font-family: var(--font-family); + font-size: var(--font-size); + border: none; + margin: 0; + border-radius: var(--border-radius); +} +.muigui select { + appearance: none; + margin: 0; + margin-left: 0; /*?*/ + overflow: hidden; /* Safari */ +} + +.muigui select:focus, +.muigui input:focus, +.muigui button:focus { + outline: 1px solid var(--focus-color); +} + +.muigui select:hover, +.muigui option:hover, +.muigui input:hover, +.muigui button:hover { + background-color: var(--hover-bg-color); +} + +/* ------ [ label ] ------ */ + +.muigui-label { + border-top: 1px solid var(--menu-sep-color); + border-bottom: 1px solid var(--menu-sep-color); + padding-top: 0.4em; + padding-bottom: 0.3em; + place-content: center start; + background-color: var(--menu-bg-color); + white-space: pre; + border-radius: var(--border-radius); +} + +/* ------ [ divider] ------ */ + +.muigui-divider { + min-height: 6px; + border-top: 2px solid var(--menu-sep-color); + margin-top: 6px; +} + +/* ------ [ button ] ------ */ + +.muigui-button { + display: grid; + +} +.muigui-button button { + border: none; + color: var(--value-color); + background-color: var(--button-bg-color); + cursor: pointer; + place-content: center center; +} + +/* ------ [ color ] ------ */ + +.muigui-color>div { + overflow: hidden; + position: relative; + margin-left: 0; + margin-right: 0; /* why? */ + max-width: var(--line-height); + border-radius: var(--border-radius); +} + +.muigui-color>div:focus-within { + outline: 1px solid var(--focus-color); +} + +.muigui-color input[type=color] { + border: none; + padding: 0; + background: inherit; + cursor: pointer; + position: absolute; + width: 200%; + left: -10px; + top: -10px; + height: 200%; +} +.muigui-disabled canvas, +.muigui-disabled svg, +.muigui-disabled img, +.muigui-disabled .muigui-color input[type=color] { + opacity: 0.2; +} + +/* ------ [ checkbox ] ------ */ + +.muigui-checkbox>label:nth-child(2) { + display: grid; + place-content: center start; + margin: 0; +} + +.muigui-checkbox input[type=checkbox] { + -webkit-appearance: none; + appearance: none; + width: auto; + color: var(--value-color); + background-color: var(--value-bg-color); + cursor: pointer; + + display: grid; + place-content: center; + margin: 0; + font: inherit; + color: currentColor; + width: 1.7em; + height: 1.7em; + transform: translateY(-0.075em); +} + +.muigui-checkbox input[type=checkbox]::before { + content: ""; + color: var(--value-color); + display: grid; + place-content: center; +} + +.muigui-checkbox input[type=checkbox]:checked::before { + content: "✔"; +} + +.muigui input[type=number]::-webkit-inner-spin-button, +.muigui input[type=number]::-webkit-outer-spin-button { + -webkit-appearance: none; + appearance: none; + margin: 0; +} +.muigui input[type=number] { + -moz-appearance: textfield; +} + +/* ------ [ radio grid ] ------ */ + +.muigui-radio-grid>div { + display: grid; + gap: 2px; +} + +.muigui-radio-grid input { + appearance: none; + display: none; +} + +.muigui-radio-grid button { + color: var(--color); + width: 100%; + text-align: left; +} + +.muigui-radio-grid input:checked + button { + color: var(--value-color); + background-color: var(--selected-color); +} + +/* ------ [ color-chooser ] ------ */ + +.muigui-color-chooser-cursor { + stroke-width: 1px; + stroke: white; + fill: none; +} +.muigui-color-chooser-circle { + stroke-width: 1px; + stroke: white; + fill: none; +} + + +/* ------ [ vec2 ] ------ */ + +.muigui-vec2 svg { + background-color: var(--value-bg-color); +} + +.muigui-vec2-axis { + stroke: 1px; + stroke: var(--focus-color); +} + +.muigui-vec2-line { + stroke-width: 1px; + stroke: var(--value-color); + fill: var(--value-color); +} + +/* ------ [ direction ] ------ */ + +.muigui-direction svg { + background-color: rgba(0,0,0,0.2); +} + +.muigui-direction:focus-within svg { + outline: none; +} +.muigui-direction-range { + fill: var(--value-bg-color); +} +.muigui-direction svg:focus { + outline: none; +} +.muigui-direction svg:focus .muigui-direction-range { + stroke-width: 0.5px; + stroke: var(--focus-color); +} + +.muigui-direction-arrow { + fill: var(--value-color); +} + +/* ------ [ slider ] ------ */ + +.muigui-slider>div { + display: flex; + align-items: stretch; + height: var(--line-height); +} +.muigui-slider svg { + flex: 1 1 auto; +} +.muigui-slider .muigui-slider-up #muigui-orientation { + transform: scale(1, -1) translateY(-100%); +} + +.muigui-slider .muigui-slider-up #muigui-number-orientation { + transform: scale(1,-1); +} + +.muigui-ticks { + stroke: var(--range-color); +} +.muigui-thicks { + stroke: var(--color); + stroke-width: 2px; +} +.muigui-svg-text { + fill: var(--color); + font-size: 7px; +} +.muigui-mark { + fill: var(--value-color); +} + +/* ------ [ range ] ------ */ + + +.muigui-range input[type=range] { + -webkit-appearance: none; + appearance: none; + background-color: transparent; +} + +.muigui-range input[type=range]::-webkit-slider-thumb { + -webkit-appearance: none; + appearance: none; + border-radius: calc(var(--border-radius) + 2px); + border-left: 1px solid rgba(255,255,255,0.3); + border-top: 1px solid rgba(255,255,255,0.3); + border-bottom: 1px solid rgba(0,0,0,0.2); + border-right: 1px solid rgba(0,0,0,0.2); + background-color: var(--range-color); + margin-top: calc((var(--line-height) - 2px) / -2); + width: calc(var(--line-height) - 2px); + height: calc(var(--line-height) - 2px); +} + +.muigui-range input[type=range]::-webkit-slider-runnable-track { + -webkit-appearance: none; + appearance: none; + border: 1px solid var(--menu-sep-color); + height: 2px; +} + + +/* dat.gui style - doesn't work on Safari iOS */ + +/* +.muigui-range input[type=range] { + cursor: ew-resize; + overflow: hidden; +} + +.muigui-range input[type=range] { + -webkit-appearance: none; + appearance: none; + background-color: var(--range-right-color); + margin: 0; +} +.muigui-range input[type=range]:hover { + background-color: var(--range-right-hover-color); +} + +.muigui-range input[type=range]::-webkit-slider-runnable-track { + -webkit-appearance: none; + appearance: none; + height: max-content; + color: var(--range-left-color); + margin-top: -1px; +} + +.muigui-range input[type=range]::-webkit-slider-thumb { + -webkit-appearance: none; + appearance: none; + width: 0px; + height: max-content; + box-shadow: -1000px 0 0 1000px var(--range-left-color); +} +*/ + +/* FF */ +/* +.muigui-range input[type=range]::-moz-slider-progress { + background-color: var(--range-left-color); +} +.muigui-range input[type=range]::-moz-slider-thumb { + height: max-content; + width: 0; + border: none; + box-shadow: -1000px 0 0 1000px var(--range-left-color); + box-sizing: border-box; +} +*/ + +.muigui-checkered-background { + background-color: #404040; + background-image: + linear-gradient(45deg, #808080 25%, transparent 25%), + linear-gradient(-45deg, #808080 25%, transparent 25%), + linear-gradient(45deg, transparent 75%, #808080 75%), + linear-gradient(-45deg, transparent 75%, #808080 75%); + background-size: 16px 16px; + background-position: 0 0, 0 8px, 8px -8px, -8px 0px; +} + +/* ---------------------------------------------------------- */ + +/* needs to be at bottom to take precedence */ +.muigui-auto-place { + max-height: 100%; + position: fixed; + top: 0; + right: 15px; + z-index: 100001; +} + +`, +themes: { + default: '', + float: ` + :root { + color-scheme: light dark, + } + + .muigui { + --width: 400px; + --bg-color: initial; + --label-width: 25%; + --number-width: 20%; + } + + input, + .muigui-label-controller>label { + text-shadow: + -1px -1px 0 var(--contrast-color), + 1px -1px 0 var(--contrast-color), + -1px 1px 0 var(--contrast-color), + 1px 1px 0 var(--contrast-color); + } + + .muigui-controller > label:nth-child(1) { + place-content: center end; + margin-right: 1em; + } + + .muigui-value > :nth-child(2) { + margin-left: 1em; + } + + .muigui-root>*:nth-child(1) { + display: none; + } + + .muigui-range input[type=range]::-webkit-slider-thumb { + border-radius: 1em; + } + + .muigui-range input[type=range]::-webkit-slider-runnable-track { + -webkit-appearance: initial; + appearance: none; + border: 1px solid rgba(0, 0, 0, 0.25); + height: 2px; + } + + .muigui-colors { + --value-color: var(--color ); + --value-bg-color: rgba(0, 0, 0, 0.1); + --disabled-color: #cccccc; + --menu-bg-color: rgba(0, 0, 0, 0.1); + --menu-sep-color: #bbbbbb; + --hover-bg-color: rgba(0, 0, 0, 0); + --invalid-color: #FF0000; + --selected-color: rgba(0, 0, 0, 0.3); + --range-color: rgba(0, 0, 0, 0.125); + } +`, +}, +}; diff --git a/src/umd.js b/src/umd.js new file mode 100644 index 0000000..cdb1b8c --- /dev/null +++ b/src/umd.js @@ -0,0 +1,21 @@ +import GUI from './muigui.js'; + +import ColorChooser from './controllers/ColorChooser.js'; +import Direction from './controllers/Direction.js'; +import RadioGrid from './controllers/RadioGrid.js'; +import Range from './controllers/Range.js'; +import Select from './controllers/Select.js'; +import Slider from './controllers/Slider.js'; +import TextNumber from './controllers/TextNumber.js'; +import Vec2 from './controllers/Vec2.js'; + +GUI.ColorChooser = ColorChooser; +GUI.Direction = Direction; +GUI.RadioGrid = RadioGrid; +GUI.Range = Range; +GUI.Select = Select; +GUI.Slider = Slider; +GUI.TextNumber = TextNumber; +GUI.Vec2 = Vec2; + +export default GUI; \ No newline at end of file diff --git a/src/views/CheckboxView.js b/src/views/CheckboxView.js new file mode 100644 index 0000000..6ba07d1 --- /dev/null +++ b/src/views/CheckboxView.js @@ -0,0 +1,23 @@ +import { createElem } from '../libs/elem.js'; +import EditView from './EditView.js'; + +export default class CheckboxView extends EditView { + #checkboxElem; + constructor(setter, id) { + const checkboxElem = createElem('input', { + type: 'checkbox', + id, + onInput: () => { + setter.setValue(checkboxElem.checked); + }, + onChange: () => { + setter.setFinalValue(checkboxElem.checked); + }, + }); + super(createElem('label', {}, [checkboxElem])); + this.#checkboxElem = checkboxElem; + } + updateDisplay(v) { + this.#checkboxElem.checked = v; + } +} diff --git a/src/views/ColorChooserView.js b/src/views/ColorChooserView.js new file mode 100644 index 0000000..2b40635 --- /dev/null +++ b/src/views/ColorChooserView.js @@ -0,0 +1,218 @@ +import { createElem, getNewId } from '../libs/elem.js'; +import { addTouchEvents } from '../libs/touch.js'; +import { identity } from '../libs/conversions.js'; +import { clamp } from '../libs/utils.js'; +import EditView from './EditView.js'; +import { + hexToFloatRGB, + hexToFloatRGBA, + hsv01ToRGBFloat, + hsva01ToRGBAFloat, + rgbFloatToHSV01, + rgbaFloatToHSVA01, + floatRGBToHex, + floatRGBAToHex, + rgbaFloatToHsla01, +} from '../libs/color-utils.js'; +import { copyExistingProperties } from '../libs/utils.js'; + +const svg = ` + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +`; + +function connectFillTargets(elem) { + elem.querySelectorAll('[data-src]').forEach(srcElem => { + const id = getNewId(); + srcElem.id = id; + elem.querySelectorAll(`[data-target=${srcElem.dataset.src}]`).forEach(targetElem => { + targetElem.setAttribute('fill', `url(#${id})`); + }); + }); + return elem; +} + +// Was originally going to make alpha an option. Issue is +// hard coded conversions? +export default class ColorChooserView extends EditView { + #to; + #from; + #satLevelElem; + #circleElem; + #hueUIElem; + #hueElem; + #hueCursorElem; + #alphaUIElem; + #alphaElem; + #alphaCursorElem; + #hsva; + #skipHueUpdate; + #skipSatLevelUpdate; + #skipAlphaUpdate; + #options = { + converters: identity, + alpha: false, + }; + #convertInternalToHex; + #convertHexToInternal; + + constructor(setter, options) { + super(createElem('div', { + innerHTML: svg, + className: 'muigui-no-scroll', + })); + this.#satLevelElem = this.domElement.children[0]; + this.#hueUIElem = this.domElement.children[1]; + this.#alphaUIElem = this.domElement.children[2]; + connectFillTargets(this.#satLevelElem); + connectFillTargets(this.#hueUIElem); + connectFillTargets(this.#alphaUIElem); + this.#circleElem = this.$('.muigui-color-chooser-circle'); + this.#hueElem = this.$('[data-src=muigui-color-chooser-hue]'); + this.#hueCursorElem = this.$('.muigui-color-chooser-hue-cursor'); + this.#alphaElem = this.$('[data-src=muigui-color-chooser-alpha]'); + this.#alphaCursorElem = this.$('.muigui-color-chooser-alpha-cursor'); + + const handleSatLevelChange = (e) => { + const s = clamp(e.nx, 0, 1); + const v = clamp(e.ny, 0, 1); + this.#hsva[1] = s; + this.#hsva[2] = (1 - v); + this.#skipHueUpdate = true; + this.#skipAlphaUpdate = true; + const [valid, newV] = this.#from(this.#convertInternalToHex(this.#hsva)); + if (valid) { + setter.setValue(newV); + } + }; + + const handleHueChange = (e) => { + const h = clamp(e.nx, 0, 1); + this.#hsva[0] = h; + this.#skipSatLevelUpdate = true; + this.#skipAlphaUpdate = true; + const [valid, newV] = this.#from(this.#convertInternalToHex(this.#hsva)); + if (valid) { + setter.setValue(newV); + } + }; + + const handleAlphaChange = (e) => { + const a = clamp(e.nx, 0, 1); + this.#hsva[3] = a; + this.#skipHueUpdate = true; + this.#skipSatLevelUpdate = true; + const [valid, newV] = this.#from(this.#convertInternalToHex(this.#hsva)); + if (valid) { + setter.setValue(newV); + } + }; + + addTouchEvents(this.#satLevelElem, { + onDown: handleSatLevelChange, + onMove: handleSatLevelChange, + }); + addTouchEvents(this.#hueUIElem, { + onDown: handleHueChange, + onMove: handleHueChange, + }); + addTouchEvents(this.#alphaUIElem, { + onDown: handleAlphaChange, + onMove: handleAlphaChange, + }); + this.setOptions(options); + } + updateDisplay(newV) { + if (!this.#hsva) { + this.#hsva = this.#convertHexToInternal(this.#to(newV)); + } + { + const [h, s, v, a = 1] = this.#convertHexToInternal(this.#to(newV)); + // Don't copy the hue if it was un-computable. + if (!this.#skipHueUpdate) { + this.#hsva[0] = s > 0.001 && v > 0.001 ? h : this.#hsva[0]; + } + if (!this.#skipSatLevelUpdate) { + this.#hsva[1] = s; + this.#hsva[2] = v; + } + if (!this.#skipAlphaUpdate) { + this.#hsva[3] = a; + } + } + { + const [h, s, v, a] = this.#hsva; + const [hue, sat, lum] = rgbaFloatToHsla01(hsva01ToRGBAFloat(this.#hsva)); + + if (!this.#skipHueUpdate) { + this.#hueCursorElem.setAttribute('transform', `translate(${h * 64}, 0)`); + } + this.#hueElem.children[0].setAttribute('stop-color', `hsl(${hue * 360} 0% 100% / ${a})`); + this.#hueElem.children[1].setAttribute('stop-color', `hsl(${hue * 360} 100% 50% / ${a})`); + if (!this.#skipAlphaUpdate) { + this.#alphaCursorElem.setAttribute('transform', `translate(${a * 64}, 0)`); + } + this.#alphaElem.children[0].setAttribute('stop-color', `hsl(${hue * 360} ${sat * 100}% ${lum * 100}% / 0)`); + this.#alphaElem.children[1].setAttribute('stop-color', `hsl(${hue * 360} ${sat * 100}% ${lum * 100}% / 1)`); + + if (!this.#skipSatLevelUpdate) { + this.#circleElem.setAttribute('cx', `${s * 64}`); + this.#circleElem.setAttribute('cy', `${(1 - v) * 48}`); + } + } + this.#skipHueUpdate = false; + this.#skipSatLevelUpdate = false; + this.#skipAlphaUpdate = false; + } + setOptions(options) { + copyExistingProperties(this.#options, options); + const {converters: {to, from}, alpha} = this.#options; + this.#alphaUIElem.style.display = alpha ? '' : 'none'; + this.#convertInternalToHex = alpha + ? v => floatRGBAToHex(hsva01ToRGBAFloat(v)) + : v => floatRGBToHex(hsv01ToRGBFloat(v)); + this.#convertHexToInternal = alpha + ? v => rgbaFloatToHSVA01(hexToFloatRGBA(v)) + : v => rgbFloatToHSV01(hexToFloatRGB(v)); + this.#to = to; + this.#from = from; + return this; + } +} diff --git a/src/views/ColorView.js b/src/views/ColorView.js new file mode 100644 index 0000000..7bf759c --- /dev/null +++ b/src/views/ColorView.js @@ -0,0 +1,50 @@ +import { createElem } from '../libs/elem.js'; +import { identity } from '../libs/conversions.js'; +import EditView from './EditView.js'; +import { copyExistingProperties } from '../libs/utils.js'; + +export default class ColorView extends EditView { + #to; + #from; + #colorElem; + #skipUpdate; + #options = { + converters: identity, + }; + + constructor(setter, options) { + const colorElem = createElem('input', { + type: 'color', + onInput: () => { + const [valid, newV] = this.#from(colorElem.value); + if (valid) { + this.#skipUpdate = true; + setter.setValue(newV); + } + }, + onChange: () => { + const [valid, newV] = this.#from(colorElem.value); + if (valid) { + this.#skipUpdate = true; + setter.setFinalValue(newV); + } + }, + }); + super(createElem('div', {}, [colorElem])); + this.setOptions(options); + this.#colorElem = colorElem; + } + updateDisplay(v) { + if (!this.#skipUpdate) { + this.#colorElem.value = this.#to(v); + } + this.#skipUpdate = false; + } + setOptions(options) { + copyExistingProperties(this.#options, options); + const {converters: {to, from}} = this.#options; + this.#to = to; + this.#from = from; + return this; + } +} diff --git a/src/views/DirectionView.js b/src/views/DirectionView.js new file mode 100644 index 0000000..dcd8642 --- /dev/null +++ b/src/views/DirectionView.js @@ -0,0 +1,127 @@ +import { identity } from '../libs/conversions.js'; +import { createElem } from '../libs/elem.js'; +import { addKeyboardEvents } from '../libs/keyboard.js'; +import { arc } from '../libs/svg.js'; +import { addTouchEvents } from '../libs/touch.js'; +import { createWheelHelper } from '../libs/wheel.js'; +import { clamp, copyExistingProperties, euclideanModulo, lerp, stepify } from '../libs/utils.js'; +import EditView from './EditView.js'; + +const svg = ` + + + + + + + + + +`; + +const twoPiMod = v => euclideanModulo(v + Math.PI, Math.PI * 2) - Math.PI; + +export default class DirectionView extends EditView { + #arrowElem; + #rangeElem; + #lastV; + #wrap; + #options = { + step: 1, + min: -180, + max: 180, + + /* + -------- + / -π/2 \ + / | \ + |<- -π * | + | * 0 ->| zero is down the positive X axis + |<- +π * | + \ | / + \ π/2 / + -------- + */ + dirMin: -Math.PI, + dirMax: Math.PI, + //dirMin: Math.PI * 0.5, + //dirMax: Math.PI * 2.5, + //dirMin: -Math.PI * 0.75, // test 10:30 to 7:30 + //dirMax: Math.PI * 0.75, + //dirMin: Math.PI * 0.75, // test 7:30 to 10:30 + //dirMax: -Math.PI * 0.75, + //dirMin: -Math.PI * 0.75, // test 10:30 to 1:30 + //dirMax: -Math.PI * 0.25, + //dirMin: Math.PI * 0.25, // test 4:30 to 7:30 + //dirMax: Math.PI * 0.75, + //dirMin: Math.PI * 0.75, // test 4:30 to 7:30 + //dirMax: Math.PI * 0.25, + wrap: undefined, + converters: identity, + }; + + constructor(setter, options = {}) { + const wheelHelper = createWheelHelper(); + super(createElem('div', { + className: 'muigui-direction muigui-no-scroll', + innerHTML: svg, + onWheel: e => { + e.preventDefault(); + const {min, max, step} = this.#options; + const delta = wheelHelper(e, step); + let tempV = this.#lastV + delta; + if (this.#wrap) { + tempV = euclideanModulo(tempV - min, max - min) + min; + } + const newV = clamp(stepify(tempV, v => v, step), min, max); + setter.setValue(newV); + }, + })); + const handleTouch = (e) => { + const {min, max, step, dirMin, dirMax} = this.#options; + const nx = e.nx * 2 - 1; + const ny = e.ny * 2 - 1; + const a = Math.atan2(ny, nx); + + const center = (dirMin + dirMax) / 2; + + const centeredAngle = twoPiMod(a - center); + const centeredStart = twoPiMod(dirMin - center); + const diff = dirMax - dirMin; + + const n = clamp((centeredAngle - centeredStart) / (diff), 0, 1); + const newV = stepify(min + (max - min) * n, v => v, step); + setter.setValue(newV); + }; + addTouchEvents(this.domElement, { + onDown: handleTouch, + onMove: handleTouch, + }); + addKeyboardEvents(this.domElement, { + onDown: (e) => { + const {min, max, step} = this.#options; + const newV = clamp(stepify(this.#lastV + e.dx * step, v => v, step), min, max); + setter.setValue(newV); + }, + }); + this.#arrowElem = this.$('#muigui-arrow'); + this.#rangeElem = this.$('#muigui-range'); + this.setOptions(options); + } + updateDisplay(v) { + this.#lastV = v; + const {min, max} = this.#options; + const n = (v - min) / (max - min); + const angle = lerp(this.#options.dirMin, this.#options.dirMax, n); + this.#arrowElem.style.transform = `rotate(${angle}rad)`; + } + setOptions(options) { + copyExistingProperties(this.#options, options); + const {dirMin, dirMax, wrap} = this.#options; + this.#wrap = wrap !== undefined + ? wrap + : Math.abs(dirMin - dirMax) >= Math.PI * 2 - Number.EPSILON; + const [min, max] = dirMin < dirMax ? [dirMin, dirMax] : [dirMax , dirMin]; + this.#rangeElem.setAttribute('d', arc(0, 0, 28.87, min, max)); + } +} diff --git a/src/views/EditView.js b/src/views/EditView.js new file mode 100644 index 0000000..15f1c90 --- /dev/null +++ b/src/views/EditView.js @@ -0,0 +1,100 @@ +import { isTypedArray } from '../libs/utils.js'; +import View from './View.js'; + +function arraysEqual(a, b) { + if (a.length !== b.length) { + return false; + } + for (let i = 0; i < a.length; ++i) { + if (a[i] !== b[i]) { + return false; + } + } + return true; +} + +function copyArrayElementsFromTo(src, dst) { + dst.length = src.length; + for (let i = 0; i < src.length; ++i) { + dst[i] = src[i]; + } +} + +export default class EditView extends View { + #oldV; + #updateCheck; + + #checkArrayNeedsUpdate(newV) { + // It's an array, we need to compare all elements + // Example, vec2, [r,g,b], ... + const needUpdate = !arraysEqual(newV, this.#oldV); + if (needUpdate) { + copyArrayElementsFromTo(newV, this.#oldV); + } + return needUpdate; + } + + #checkTypedArrayNeedsUpdate() { + let once = true; + return function checkTypedArrayNeedsUpdateImpl(newV) { + // It's a typedarray, we need to compare all elements + // Example: Float32Array([r, g, b]) + let needUpdate = once; + once = false; + if (!needUpdate) { + needUpdate = !arraysEqual(newV, this.#oldV); + } + return needUpdate; + }; + } + + #checkObjectNeedsUpdate(newV) { + let needUpdate = false; + for (const key in newV) { + if (newV[key] !== this.#oldV[key]) { + needUpdate = true; + this.#oldV[key] = newV[key]; + } + } + return needUpdate; + } + + #checkValueNeedsUpdate(newV) { + const needUpdate = newV !== this.#oldV; + this.#oldV = newV; + return needUpdate; + } + + #getUpdateCheckForType(newV) { + if (Array.isArray(newV)) { + this.#oldV = []; + return this.#checkArrayNeedsUpdate.bind(this); + } else if (isTypedArray(newV)) { + this.#oldV = new newV.constructor(newV); + return this.#checkTypedArrayNeedsUpdate(this); + } else if (typeof newV === 'object') { + this.#oldV = {}; + return this.#checkObjectNeedsUpdate.bind(this); + } else { + return this.#checkValueNeedsUpdate.bind(this); + } + } + + // The point of this is updating DOM elements + // is slow but if we've called `listen` then + // every frame we're going to try to update + // things with the current value so if nothing + // has changed then skip it. + updateDisplayIfNeeded(newV, ignoreCache) { + this.#updateCheck = this.#updateCheck || this.#getUpdateCheckForType(newV); + // Note: We call #updateCheck first because it updates + // the cache + if (this.#updateCheck(newV) || ignoreCache) { + this.updateDisplay(newV); + } + } + setOptions(/*options*/) { + // override this + return this; + } +} diff --git a/src/views/ElementView.js b/src/views/ElementView.js new file mode 100644 index 0000000..bbf5e5a --- /dev/null +++ b/src/views/ElementView.js @@ -0,0 +1,8 @@ +import { createElem } from '../libs/elem.js'; +import View from './View.js'; + +export default class ElementView extends View { + constructor(tag, className) { + super(createElem(tag, {className})); + } +} \ No newline at end of file diff --git a/src/views/GridView.js b/src/views/GridView.js new file mode 100644 index 0000000..de6dea0 --- /dev/null +++ b/src/views/GridView.js @@ -0,0 +1,15 @@ +import { createElem } from '../libs/elem.js'; +import View from './View.js'; + +export default class GridView extends View { + // FIX: should this be 'options'? + constructor(cols) { + super(createElem('div', { + className: 'muigui-grid', + })); + this.cols(cols); + } + cols(cols) { + this.domElement.style.gridTemplateColumns = `repeat(${cols}, 1fr)`; + } +} \ No newline at end of file diff --git a/src/views/NumberView.js b/src/views/NumberView.js new file mode 100644 index 0000000..3b506dd --- /dev/null +++ b/src/views/NumberView.js @@ -0,0 +1,67 @@ +import { createElem } from '../libs/elem.js'; +import { strToNumber } from '../libs/conversions.js'; +import { createWheelHelper } from '../libs/wheel.js'; +import { clamp, copyExistingProperties, stepify } from '../libs/utils.js'; +import EditView from './EditView.js'; + +export default class NumberView extends EditView { + #to; + #from; + #step; + #skipUpdate; + #options = { + step: 0.01, + converters: strToNumber, + min: Number.NEGATIVE_INFINITY, + max: Number.POSITIVE_INFINITY, + }; + + constructor(setter, options) { + const setValue = setter.setValue.bind(setter); + const setFinalValue = setter.setFinalValue.bind(setter); + const wheelHelper = createWheelHelper(); + super(createElem('input', { + type: 'number', + onInput: () => this.#handleInput(setValue, true), + onChange: () => this.#handleInput(setFinalValue, false), + onWheel: e => { + e.preventDefault(); + const {min, max, step} = this.#options; + const delta = wheelHelper(e, step); + const v = parseFloat(this.domElement.value); + const newV = clamp(stepify(v + delta, v => v, step), min, max); + setter.setValue(newV); + }, + })); + this.setOptions(options); + } + #handleInput(setFn, skipUpdate) { + const v = parseFloat(this.domElement.value); + const [valid, newV] = this.#from(v); + let inRange; + if (valid && !Number.isNaN(v)) { + const {min, max} = this.#options; + inRange = newV >= min && newV <= max; + this.#skipUpdate = skipUpdate; + setFn(clamp(newV, min, max)); + } + this.domElement.classList.toggle('muigui-invalid-value', !valid || !inRange); + } + updateDisplay(v) { + if (!this.#skipUpdate) { + this.domElement.value = stepify(v, this.#to, this.#step); + } + this.#skipUpdate = false; + } + setOptions(options) { + copyExistingProperties(this.#options, options); + const { + step, + converters: {to, from}, + } = this.#options; + this.#to = to; + this.#from = from; + this.#step = step; + return this; + } +} diff --git a/src/views/RadioGridView.js b/src/views/RadioGridView.js new file mode 100644 index 0000000..3613732 --- /dev/null +++ b/src/views/RadioGridView.js @@ -0,0 +1,47 @@ +import { createElem } from '../libs/elem.js'; +import { makeId } from '../libs/ids.js'; +import EditView from './EditView.js'; + +export default class RadioGridView extends EditView { + #values; + + constructor(setter, keyValues, cols = 3) { + const values = []; + const name = makeId(); + super(createElem('div', {}, keyValues.map(([key, value], ndx) => { + values.push(value); + return createElem('label', {}, [ + createElem('input', { + type: 'radio', + name, + value: ndx, + onChange: function () { + if (this.checked) { + setter.setFinalValue(that.#values[this.value]); + } + }, + }), + createElem('button', { + type: 'button', + textContent: key, + onClick: function () { + this.previousElementSibling.click(); + }, + }), + ]); + }))); + // eslint-disable-next-line @typescript-eslint/no-this-alias + const that = this; + this.#values = values; + this.cols(cols); + } + updateDisplay(v) { + const ndx = this.#values.indexOf(v); + for (let i = 0; i < this.domElement.children.length; ++i) { + this.domElement.children[i].children[0].checked = i === ndx; + } + } + cols(cols) { + this.domElement.style.gridTemplateColumns = `repeat(${cols}, 1fr)`; + } +} diff --git a/src/views/RangeView.js b/src/views/RangeView.js new file mode 100644 index 0000000..c7ba746 --- /dev/null +++ b/src/views/RangeView.js @@ -0,0 +1,79 @@ +import { createElem } from '../libs/elem.js'; +import { identity } from '../libs/conversions.js'; +import { clamp, copyExistingProperties, stepify } from '../libs/utils.js'; +import { createWheelHelper } from '../libs/wheel.js'; +import EditView from './EditView.js'; + +export default class RangeView extends EditView { + #to; + #from; + #step; + #skipUpdate; + #options = { + step: 0.01, + min: 0, + max: 1, + converters: identity, + }; + + constructor(setter, options) { + const wheelHelper = createWheelHelper(); + super(createElem('input', { + type: 'range', + onInput: () => { + this.#skipUpdate = true; + const {min, max, step} = this.#options; + const v = parseFloat(this.domElement.value); + const newV = clamp(stepify(v, v => v, step), min, max); + const [valid, validV] = this.#from(newV); + if (valid) { + setter.setValue(validV); + } + }, + onChange: () => { + this.#skipUpdate = true; + const {min, max, step} = this.#options; + const v = parseFloat(this.domElement.value); + const newV = clamp(stepify(v, v => v, step), min, max); + const [valid, validV] = this.#from(newV); + if (valid) { + setter.setFinalValue(validV); + } + }, + onWheel: e => { + e.preventDefault(); + const [valid, v] = this.#from(parseFloat(this.domElement.value)); + if (!valid) { + return; + } + const {min, max, step} = this.#options; + const delta = wheelHelper(e, step); + const newV = clamp(stepify(v + delta, v => v, step), min, max); + setter.setValue(newV); + }, + })); + this.setOptions(options); + } + updateDisplay(v) { + if (!this.#skipUpdate) { + this.domElement.value = stepify(v, this.#to, this.#step); + } + this.#skipUpdate = false; + } + setOptions(options) { + copyExistingProperties(this.#options, options); + const { + step, + min, + max, + converters: {to, from}, + } = this.#options; + this.#to = to; + this.#from = from; + this.#step = step; + this.domElement.step = step; + this.domElement.min = min; + this.domElement.max = max; + return this; + } +} \ No newline at end of file diff --git a/src/views/SelectView.js b/src/views/SelectView.js new file mode 100644 index 0000000..a12935e --- /dev/null +++ b/src/views/SelectView.js @@ -0,0 +1,23 @@ +import { createElem } from '../libs/elem.js'; +import EditView from './EditView.js'; + +export default class SelectView extends EditView { + #values; + + constructor(setter, keyValues) { + const values = []; + super(createElem('select', { + onChange: () => { + setter.setFinalValue(this.#values[this.domElement.selectedIndex]); + }, + }, keyValues.map(([key, value]) => { + values.push(value); + return createElem('option', {textContent: key}); + }))); + this.#values = values; + } + updateDisplay(v) { + const ndx = this.#values.indexOf(v); + this.domElement.selectedIndex = ndx; + } +} diff --git a/src/views/SliderView.js b/src/views/SliderView.js new file mode 100644 index 0000000..46cdb28 --- /dev/null +++ b/src/views/SliderView.js @@ -0,0 +1,195 @@ +import { createElem } from '../libs/elem.js'; +import { addKeyboardEvents } from '../libs/keyboard.js'; +import { addTouchEvents } from '../libs/touch.js'; +import { createWheelHelper } from '../libs/wheel.js'; +import { onResizeSVGNoScale } from '../libs/resize-helpers.js'; +import { clamp, copyExistingProperties, stepify } from '../libs/utils.js'; +import EditView from './EditView.js'; + +const svg = ` + + + + + + + + + + + + + + + + + + + + + + + + + + + + +`; + +function createSVGTicks(start, end, step, min, max, height) { + const p = []; + if (start < min) { + start += stepify(min - start, v => v, step); + } + end = Math.min(end, max); + for (let i = start; i <= end; i += step) { + p.push(`M${i} 0 l0 ${height}`); + } + return p.join(' '); +} + +function createSVGNumbers(start, end, unitSize, unit, minusSize, min, max, labelFn) { + const texts = []; + if (start < min) { + start += stepify(min - start, v => v, unitSize); + } + end = Math.min(end, max); + const digits = Math.max(0, -Math.log10(unit)); + const f = v => labelFn(v.toFixed(digits)); + for (let i = start; i <= end; i += unitSize) { + texts.push(`${f(i / unitSize * unit)}`); + } + return texts.join('\n'); +} + +function computeSizeOfMinus(elem) { + const oldHTML = elem.innerHTML; + elem.innerHTML = '- '; + const text = elem.querySelector('text'); + const size = text.getComputedTextLength(); + elem.innerHTML = oldHTML; + return size; +} + +export default class SliderView extends EditView { + #svgElem; + #originElem; + #ticksElem; + #thicksElem; + #numbersElem; + #leftGradElem; + #rightGradElem; + #width; + #height; + #lastV; + #minusSize; + #options = { + min: -100, + max: 100, + step: 1, + unit: 10, + unitSize: 10, + ticksPerUnit: 5, + labelFn: v => v, + tickHeight: 1, + limits: true, + thicksColor: undefined, + orientation: undefined, + }; + + constructor(setter, options) { + const wheelHelper = createWheelHelper(); + super(createElem('div', { + innerHTML: svg, + className: 'muigui-no-v-scroll', + onWheel: e => { + e.preventDefault(); + const {min, max, step} = this.#options; + const delta = wheelHelper(e, step); + const newV = clamp(stepify(this.#lastV + delta, v => v, step), min, max); + setter.setValue(newV); + }, + })); + this.#svgElem = this.$('svg'); + this.#originElem = this.$('#muigui-origin'); + this.#ticksElem = this.$('#muigui-ticks'); + this.#thicksElem = this.$('#muigui-thicks'); + this.#numbersElem = this.$('#muigui-numbers'); + this.#leftGradElem = this.$('#muigui-left-grad'); + this.#rightGradElem = this.$('#muigui-right-grad'); + this.setOptions(options); + let startV; + addTouchEvents(this.domElement, { + onDown: () => { + startV = this.#lastV; + }, + onMove: (e) => { + const {min, max, unitSize, unit, step} = this.#options; + const newV = clamp(stepify(startV - e.dx / unitSize * unit, v => v, step), min, max); + setter.setValue(newV); + }, + }); + addKeyboardEvents(this.domElement, { + onDown: (e) => { + const {min, max, step} = this.#options; + const newV = clamp(stepify(this.#lastV + e.dx * step, v => v, step), min, max); + setter.setValue(newV); + }, + }); + onResizeSVGNoScale(this.#svgElem, 0.5, 0, ({rect: {width}}) => { + this.#leftGradElem.setAttribute('x', -width / 2); + this.#rightGradElem.setAttribute('x', width / 2 - 20); + this.#minusSize = computeSizeOfMinus(this.#numbersElem); + this.#width = width; + this.#updateSlider(); + }); + } + // |--------V--------| + // . . | . . . | . . . | + // + #updateSlider() { + // There's no size if ResizeObserver has not fired yet. + if (!this.#width || this.#lastV === undefined) { + return; + } + const { + labelFn, + limits, + min, + max, + orientation, + tickHeight, + ticksPerUnit, + unit, + unitSize, + thicksColor, + } = this.#options; + const unitsAcross = Math.ceil(this.#width / unitSize); + const center = this.#lastV; + const centerUnitSpace = center / unit; + const startUnitSpace = Math.round(centerUnitSpace - unitsAcross); + const endUnitSpace = startUnitSpace + unitsAcross * 2; + const start = startUnitSpace * unitSize; + const end = endUnitSpace * unitSize; + const minUnitSpace = limits ? min * unitSize / unit : start; + const maxUnitSpace = limits ? max * unitSize / unit : end; + const height = labelFn(1) === '' ? 10 : 5; + if (ticksPerUnit > 1) { + this.#ticksElem.setAttribute('d', createSVGTicks(start, end, unitSize / ticksPerUnit, minUnitSpace, maxUnitSpace, height * tickHeight)); + } + this.#thicksElem.style.stroke = thicksColor; //setAttribute('stroke', thicksColor); + this.#thicksElem.setAttribute('d', createSVGTicks(start, end, unitSize, minUnitSpace, maxUnitSpace, height)); + this.#numbersElem.innerHTML = createSVGNumbers(start, end, unitSize, unit, this.#minusSize, minUnitSpace, maxUnitSpace, labelFn); + this.#originElem.setAttribute('transform', `translate(${-this.#lastV * unitSize / unit} 0)`); + this.#svgElem.classList.toggle('muigui-slider-up', orientation === 'up'); + } + updateDisplay(v) { + this.#lastV = v; + this.#updateSlider(); + } + setOptions(options) { + copyExistingProperties(this.#options, options); + return this; + } +} diff --git a/src/views/TextView.js b/src/views/TextView.js new file mode 100644 index 0000000..a3cd8f6 --- /dev/null +++ b/src/views/TextView.js @@ -0,0 +1,49 @@ +import { createElem } from '../libs/elem.js'; +import { identity } from '../libs/conversions.js'; +import EditView from './EditView.js'; +import { copyExistingProperties } from '../libs/utils.js'; + +export default class TextView extends EditView { + #to; + #from; + #skipUpdate; + #options = { + converters: identity, + }; + + constructor(setter, options) { + const setValue = setter.setValue.bind(setter); + const setFinalValue = setter.setFinalValue.bind(setter); + super(createElem('input', { + type: 'text', + onInput: () => this.#handleInput(setValue, true), + onChange: () => this.#handleInput(setFinalValue, false), + })); + this.setOptions(options); + } + #handleInput(setFn, skipUpdate) { + const [valid, newV] = this.#from(this.domElement.value); + if (valid) { + this.#skipUpdate = skipUpdate; + setFn(newV); + } + this.domElement.style.color = valid ? '' : 'var(--invalid-color)'; + + } + updateDisplay(v) { + if (!this.#skipUpdate) { + this.domElement.value = this.#to(v); + this.domElement.style.color = ''; + } + this.#skipUpdate = false; + } + setOptions(options) { + copyExistingProperties(this.#options, options); + const { + converters: {to, from}, + } = this.#options; + this.#to = to; + this.#from = from; + return this; + } +} diff --git a/src/views/ValueView.js b/src/views/ValueView.js new file mode 100644 index 0000000..1bf92d6 --- /dev/null +++ b/src/views/ValueView.js @@ -0,0 +1,11 @@ +import { createElem } from '../libs/elem.js'; +import View from './View.js'; + +export default class ValueView extends View { + constructor(className = '') { + super(createElem('div', {className: 'muigui-value'})); + if (className) { + this.domElement.classList.add(className); + } + } +} \ No newline at end of file diff --git a/src/views/Vec2View.js b/src/views/Vec2View.js new file mode 100644 index 0000000..aca862e --- /dev/null +++ b/src/views/Vec2View.js @@ -0,0 +1,52 @@ +import { createElem } from '../libs/elem.js'; +import { addTouchEvents } from '../libs/touch.js'; +import { onResizeSVGNoScale } from '../libs/resize-helpers.js'; +import EditView from './EditView.js'; + +const svg = ` + + + + + + + +`; + +export default class Vec2View extends EditView { + #svgElem; + #arrowElem; + #circleElem; + #lastV = []; + + constructor(setter) { + super(createElem('div', { + innerHTML: svg, + className: 'muigui-no-scroll', + })); + const onTouch = (e) => { + const {width, height} = this.#svgElem.getBoundingClientRect(); + const nx = e.nx * 2 - 1; + const ny = e.ny * 2 - 1; + setter.setValue([nx * width * 0.5, ny * height * 0.5]); + }; + addTouchEvents(this.domElement, { + onDown: onTouch, + onMove: onTouch, + }); + this.#svgElem = this.$('svg'); + this.#arrowElem = this.$('#muigui-arrow'); + this.#circleElem = this.$('#muigui-circle'); + onResizeSVGNoScale(this.#svgElem, 0.5, 0.5, () => this.#updateDisplayImpl); + } + #updateDisplayImpl() { + const [x, y] = this.#lastV; + this.#arrowElem.setAttribute('d', `M0,0L${x},${y}`); + this.#circleElem.setAttribute('transform', `translate(${x}, ${y})`); + } + updateDisplay(v) { + this.#lastV[0] = v[0]; + this.#lastV[1] = v[1]; + this.#updateDisplayImpl(); + } +} diff --git a/src/views/View.ts b/src/views/View.ts new file mode 100644 index 0000000..f10b151 --- /dev/null +++ b/src/views/View.ts @@ -0,0 +1,58 @@ +import { removeArrayElem } from '../libs/utils.js'; + +export default class View { + domElement: HTMLElement; + + #childDestElem: HTMLElement; + #views: View[] = []; + + constructor(elem: HTMLElement) { + this.domElement = elem; + this.#childDestElem = elem; + } + addElem(elem: HTMLElement) { + this.#childDestElem.appendChild(elem); + return elem; + } + removeElem(elem: HTMLElement) { + this.#childDestElem.removeChild(elem); + return elem; + } + pushSubElem(elem: HTMLElement) { + this.#childDestElem.appendChild(elem); + this.#childDestElem = elem; + } + popSubElem() { + this.#childDestElem = this.#childDestElem.parentElement!; + } + add(view: View) { + this.#views.push(view); + this.addElem(view.domElement); + return view; + } + remove(view: View) { + this.removeElem(view.domElement); + removeArrayElem(this.#views, view); + return view; + } + pushSubView(view: View) { + this.pushSubElem(view.domElement); + } + popSubView() { + this.popSubElem(); + } + setOptions(options: any) { + for (const view of this.#views) { + view.setOptions(options); + } + } + updateDisplayIfNeeded(newV: any, ignoreCache?: boolean) { + for (const view of this.#views) { + view.updateDisplayIfNeeded(newV, ignoreCache); + } + return this; + } + $(selector: string) { + return this.domElement.querySelector(selector); + } +} \ No newline at end of file diff --git a/test/assert.js b/test/assert.js new file mode 100644 index 0000000..0440bbc --- /dev/null +++ b/test/assert.js @@ -0,0 +1,219 @@ +export const config = {}; + +const isArrayLike = v => Array.isArray(v) || + (v.buffer instanceof ArrayBuffer && typeof v.length === 'number' && v.byteLength === 'number'); + +export function setConfig(options) { + Object.assign(config, options); +} + +function formatMsg(msg) { + return `${msg}${msg ? ': ' : ''}`; +} + +export function assertTruthy(actual, msg = '') { + if (!actual) { + throw new Error(`${formatMsg(msg)}expected: truthy, actual: ${actual}`); + } +} + +export function assertFalsy(actual, msg = '') { + if (actual) { + throw new Error(`${formatMsg(msg)}expected: falsy, actual: ${actual}`); + } +} + +export function assertStringMatchesRegEx(actual, regex, msg = '') { + if (!regex.test(actual)) { + throw new Error(`${formatMsg(msg)}expected: ${regex}, actual: ${actual}`); + } +} + +export function assertLessThan(actual, expected, msg = '') { + if (actual >= expected) { + throw new Error(`${formatMsg(msg)}expected: ${actual} to be less than: ${expected}`); + } +} + +export function assertEqualApproximately(actual, expected, range, msg = '') { + const diff = Math.abs(actual - expected); + if (diff > range) { + throw new Error(`${formatMsg(msg)}expected: ${actual} to be less ${range} different than: ${expected}`); + } +} + +export function assertInstanceOf(actual, expectedType, msg = '') { + if (!(actual instanceof expectedType)) { + throw new Error(`${formatMsg(msg)}expected: ${actual} to be of type: ${expectedType.constructor.name}`); + } +} + +export function assertIsArray(actual, msg = '') { + if (!Array.isArray(actual)) { + throw new Error(`${formatMsg(msg)}expected: ${actual} to be an Array`); + } +} + +export function assertEqual(actual, expected, msg = '') { + // I'm sure this is not sufficient + if (actual.length && expected.length && isArrayLike(actual) && isArrayLike(expected)) { + assertArrayEqual(actual, expected); + } else if (actual !== expected) { + throw new Error(`${formatMsg(msg)}expected: ${expected} to equal actual: ${actual}`); + } +} + +export function assertStrictEqual(actual, expected, msg = '') { + if (actual !== expected) { + throw new Error(`${formatMsg(msg)}expected: ${expected} to equal actual: ${actual}`); + } +} + +export function assertNotEqual(actual, expected, msg = '') { + if (actual === expected) { + throw new Error(`${formatMsg(msg)}expected: ${expected} to not equal actual: ${actual}`); + } +} + +export function assertStrictNotEqual(actual, expected, msg = '') { + if (actual === expected) { + throw new Error(`${formatMsg(msg)}expected: ${expected} to not equal actual: ${actual}`); + } +} + +export function assertArrayEqualApproximately(actual, expected, maxDiff = Number.EPSILON, msg = '') { + if (actual.length !== expected.length) { + throw new Error(`${formatMsg(msg)}expected: array.length ${expected.length} to equal actual.length: ${actual.length}`); + } + const errors = []; + for (let i = 0; i < actual.length && errors.length < 10; ++i) { + try { + assertEqualApproximately(actual[i], expected[i], maxDiff); + } catch (e) { + errors.push(`${formatMsg(msg)}expected: expected[${i}] ${expected[i]} to equal actual[${i}]: ${actual[i]}`); + } + } + if (errors.length > 0) { + throw new Error(errors.join('\n')); + } +} + +export function assertArrayEqual(actual, expected, msg = '') { + assertArrayEqualApproximately(actual, expected, 0, msg); +} + +export function assertThrowsWith(func, expectations, msg = '') { + let error = ''; + if (config.throwOnError === false) { + const origFn = console.error; + const errors = []; + console.error = function (...args) { + errors.push(args.join(' ')); + }; + func(); + console.error = origFn; + if (errors.length) { + error = errors.join('\n'); + console.error(error); + } + } else { + try { + func(); + } catch (e) { + console.error(e); // eslint-disable-line + error = e; + } + + } + + if (config.noLint) { + return; + } + + assertStringMatchesREs(error.toString().replace(/\n/g, ' '), expectations, msg); +} + +// check if it throws it throws with x +export function assertIfThrowsItThrowsWith(func, expectations, msg = '') { + let error = ''; + let threw = false; + if (config.throwOnError === false) { + const origFn = console.error; + const errors = []; + console.error = function (...args) { + errors.push(args.join(' ')); + }; + func(); + console.error = origFn; + if (errors.length) { + error = errors.join('\n'); + console.error(error); + } + } else { + try { + func(); + } catch (e) { + console.error(e); // eslint-disable-line + error = e; + threw = true; + } + + } + + if (config.noLint) { + return; + } + + if (!threw) { + return; + } + + assertStringMatchesREs(error.toString().replace(/\n/g, ' '), expectations, msg); +} + +function assertStringMatchesREs(actual, expectations, msg) { + for (const expectation of expectations) { + if (expectation instanceof RegExp) { + if (!expectation.test(actual)) { + throw new Error(`${formatMsg(msg)}expected: ${expectation}, actual: ${actual}`); + } + } + } + +} +export function assertWarnsWith(func, expectations, msg = '') { + const warnings = []; + const origWarnFn = console.warn; + console.warn = function (...args) { + origWarnFn.call(this, ...args); + warnings.push(args.join(' ')); + }; + + let error; + try { + func(); + } catch (e) { + error = e; + } + + console.warn = origWarnFn; + + if (error) { + throw error; + } + + if (config.noLint) { + return; + } + + assertStringMatchesREs(warnings.join(' '), expectations, msg); +} + +export default { + false: assertFalsy, + equal: assertEqual, + matchesRegEx: assertStringMatchesRegEx, + notEqual: assertNotEqual, + throwsWith: assertThrowsWith, + true: assertTruthy, +}; \ No newline at end of file diff --git a/test/index.html b/test/index.html new file mode 100644 index 0000000..72ebbc0 --- /dev/null +++ b/test/index.html @@ -0,0 +1,75 @@ + + + + + muigui Tests + + + + + +
+
+ + + + + diff --git a/test/index.js b/test/index.js new file mode 100644 index 0000000..5065958 --- /dev/null +++ b/test/index.js @@ -0,0 +1,12 @@ +/* global mocha */ + +import './tests/muigui-tests.js'; +import './tests/color-utils-tests.js'; + +const settings = Object.fromEntries(new URLSearchParams(window.location.search).entries()); +if (settings.reporter) { + mocha.reporter(settings.reporter); +} +mocha.run((failures) => { + window.testsPromiseInfo.resolve(failures); +}); diff --git a/test/mocha-support.js b/test/mocha-support.js new file mode 100644 index 0000000..7e251b7 --- /dev/null +++ b/test/mocha-support.js @@ -0,0 +1,7 @@ +export const describe = window.describe; +export const it = window.it; +export const before = window.before; +export const after = window.after; +export const beforeEach = window.beforeEach; +export const afterEach = window.afterEach; + diff --git a/test/mocha.css b/test/mocha.css new file mode 100644 index 0000000..5e56d0e --- /dev/null +++ b/test/mocha.css @@ -0,0 +1,326 @@ +@charset "utf-8"; + +body { + margin:0; +} + +#mocha { + font: 20px/1.5 "Helvetica Neue", Helvetica, Arial, sans-serif; + margin: 60px 50px; +} + +#mocha ul, +#mocha li { + margin: 0; + padding: 0; +} + +#mocha ul { + list-style: none; +} + +#mocha h1, +#mocha h2 { + margin: 0; +} + +#mocha h1 { + margin-top: 15px; + font-size: 1em; + font-weight: 200; +} + +#mocha h1 a { + text-decoration: none; + color: inherit; +} + +#mocha h1 a:hover { + text-decoration: underline; +} + +#mocha .suite .suite h1 { + margin-top: 0; + font-size: .8em; +} + +#mocha .hidden { + display: none; +} + +#mocha h2 { + font-size: 12px; + font-weight: normal; + cursor: pointer; +} + +#mocha .suite { + margin-left: 15px; +} + +#mocha .test { + margin-left: 15px; + overflow: hidden; +} + +#mocha .test.pending:hover h2::after { + content: '(pending)'; + font-family: arial, sans-serif; +} + +#mocha .test.pass.medium .duration { + background: #c09853; +} + +#mocha .test.pass.slow .duration { + background: #b94a48; +} + +#mocha .test.pass::before { + content: '✓'; + font-size: 12px; + display: block; + float: left; + margin-right: 5px; + color: #00d6b2; +} + +#mocha .test.pass .duration { + font-size: 9px; + margin-left: 5px; + padding: 2px 5px; + color: #fff; + -webkit-box-shadow: inset 0 1px 1px rgba(0,0,0,.2); + -moz-box-shadow: inset 0 1px 1px rgba(0,0,0,.2); + box-shadow: inset 0 1px 1px rgba(0,0,0,.2); + -webkit-border-radius: 5px; + -moz-border-radius: 5px; + -ms-border-radius: 5px; + -o-border-radius: 5px; + border-radius: 5px; +} + +#mocha .test.pass.fast .duration { + display: none; +} + +#mocha .test.pending { + color: #0b97c4; +} + +#mocha .test.pending::before { + content: '◦'; + color: #0b97c4; +} + +#mocha .test.fail { + color: #c00; +} + +#mocha .test.fail pre { + color: black; +} + +#mocha .test.fail::before { + content: '✖'; + font-size: 12px; + display: block; + float: left; + margin-right: 5px; + color: #c00; +} + +#mocha .test pre.error { + color: #c00; + max-height: 300px; + overflow: auto; + white-space: pre-wrap; +} + +#mocha .test .html-error { + overflow: auto; + color: black; + display: block; + float: left; + clear: left; + font: 12px/1.5 monaco, monospace; + margin: 5px; + padding: 15px; + border: 1px solid #eee; + max-width: 85%; /*(1)*/ + max-width: -webkit-calc(100% - 42px); + max-width: -moz-calc(100% - 42px); + max-width: calc(100% - 42px); /*(2)*/ + max-height: 300px; + word-wrap: break-word; + border-bottom-color: #ddd; + -webkit-box-shadow: 0 1px 3px #eee; + -moz-box-shadow: 0 1px 3px #eee; + box-shadow: 0 1px 3px #eee; + -webkit-border-radius: 3px; + -moz-border-radius: 3px; + border-radius: 3px; +} + +#mocha .test .html-error pre.error { + border: none; + -webkit-border-radius: 0; + -moz-border-radius: 0; + border-radius: 0; + -webkit-box-shadow: 0; + -moz-box-shadow: 0; + box-shadow: 0; + padding: 0; + margin: 0; + margin-top: 18px; + max-height: none; +} + +/** + * (1): approximate for browsers not supporting calc + * (2): 42 = 2*15 + 2*10 + 2*1 (padding + margin + border) + * ^^ seriously + */ +#mocha .test pre { + display: block; + float: left; + clear: left; + font: 12px/1.5 monaco, monospace; + margin: 5px; + padding: 15px; + border: 1px solid #eee; + max-width: 85%; /*(1)*/ + max-width: -webkit-calc(100% - 42px); + max-width: -moz-calc(100% - 42px); + max-width: calc(100% - 42px); /*(2)*/ + word-wrap: break-word; + border-bottom-color: #ddd; + -webkit-box-shadow: 0 1px 3px #eee; + -moz-box-shadow: 0 1px 3px #eee; + box-shadow: 0 1px 3px #eee; + -webkit-border-radius: 3px; + -moz-border-radius: 3px; + border-radius: 3px; +} + +#mocha .test h2 { + position: relative; +} + +#mocha .test a.replay { + position: absolute; + top: 3px; + right: 0; + text-decoration: none; + vertical-align: middle; + display: block; + width: 15px; + height: 15px; + line-height: 15px; + text-align: center; + background: #eee; + font-size: 15px; + -webkit-border-radius: 15px; + -moz-border-radius: 15px; + border-radius: 15px; + -webkit-transition:opacity 200ms; + -moz-transition:opacity 200ms; + -o-transition:opacity 200ms; + transition: opacity 200ms; + opacity: 0.3; + color: #888; +} + +#mocha .test:hover a.replay { + opacity: 1; +} + +#mocha-report.pass .test.fail { + display: none; +} + +#mocha-report.fail .test.pass { + display: none; +} + +#mocha-report.pending .test.pass, +#mocha-report.pending .test.fail { + display: none; +} +#mocha-report.pending .test.pass.pending { + display: block; +} + +#mocha-error { + color: #c00; + font-size: 1.5em; + font-weight: 100; + letter-spacing: 1px; +} + +#mocha-stats { + position: fixed; + top: 15px; + right: 10px; + font-size: 12px; + margin: 0; + color: #888; + z-index: 1; +} + +#mocha-stats .progress { + float: right; + padding-top: 0; + + /** + * Set safe initial values, so mochas .progress does not inherit these + * properties from Bootstrap .progress (which causes .progress height to + * equal line height set in Bootstrap). + */ + height: auto; + -webkit-box-shadow: none; + -moz-box-shadow: none; + box-shadow: none; + background-color: initial; +} + +#mocha-stats em { + color: black; +} + +#mocha-stats a { + text-decoration: none; + color: inherit; +} + +#mocha-stats a:hover { + border-bottom: 1px solid #eee; +} + +#mocha-stats li { + display: inline-block; + margin: 0 5px; + list-style: none; + padding-top: 11px; +} + +#mocha-stats canvas { + width: 40px; + height: 40px; +} + +#mocha code .comment { color: #ddd; } +#mocha code .init { color: #2f6fad; } +#mocha code .string { color: #5890ad; } +#mocha code .keyword { color: #8a6343; } +#mocha code .number { color: #2f6fad; } + +@media screen and (max-device-width: 480px) { + #mocha { + margin: 60px 0px; + } + + #mocha #stats { + position: absolute; + } +} diff --git a/test/mocha.js b/test/mocha.js new file mode 100644 index 0000000..bf0ddd6 --- /dev/null +++ b/test/mocha.js @@ -0,0 +1,18104 @@ +(function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i} promise determining if browser notification + * permissible when fulfilled. + */ +function isPermitted() { + var permitted = { + granted: function allow() { + return Promise.resolve(true); + }, + denied: function deny() { + return Promise.resolve(false); + }, + default: function ask() { + return Notification.requestPermission().then(function(permission) { + return permission === 'granted'; + }); + } + }; + + return permitted[Notification.permission](); +} + +/** + * @summary + * Determines if notification should proceed. + * + * @description + * Notification shall not proceed unless `value` is true. + * + * `value` will equal one of: + *
    + *
  • true (from `isPermitted`)
    • + *
  • false (from `isPermitted`)
    • + *
  • undefined (from `Promise.race`)
    • + *
+ * + * @private + * @param {boolean|undefined} value - Determines if notification permissible. + * @returns {Promise} Notification can proceed + */ +function canNotify(value) { + if (!value) { + var why = value === false ? 'blocked' : 'unacknowledged'; + var reason = 'not permitted by user (' + why + ')'; + return Promise.reject(new Error(reason)); + } + return Promise.resolve(); +} + +/** + * Displays the notification. + * + * @private + * @param {Runner} runner - Runner instance. + */ +function display(runner) { + var stats = runner.stats; + var symbol = { + cross: '\u274C', + tick: '\u2705' + }; + var logo = require('../../package').notifyLogo; + var _message; + var message; + var title; + + if (stats.failures) { + _message = stats.failures + ' of ' + stats.tests + ' tests failed'; + message = symbol.cross + ' ' + _message; + title = 'Failed'; + } else { + _message = stats.passes + ' tests passed in ' + stats.duration + 'ms'; + message = symbol.tick + ' ' + _message; + title = 'Passed'; + } + + // Send notification + var options = { + badge: logo, + body: message, + dir: 'ltr', + icon: logo, + lang: 'en-US', + name: 'mocha', + requireInteraction: false, + timestamp: Date.now() + }; + var notification = new Notification(title, options); + + // Autoclose after brief delay (makes various browsers act same) + var FORCE_DURATION = 4000; + setTimeout(notification.close.bind(notification), FORCE_DURATION); +} + +/** + * As notifications are tangential to our purpose, just log the error. + * + * @private + * @param {Error} err - Why notification didn't happen. + */ +function notPermitted(err) { + console.error('notification error:', err.message); +} + +}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) +},{"../../package":90,"../runner":34,"_process":69}],3:[function(require,module,exports){ +'use strict'; + +/** + * Expose `Progress`. + */ + +module.exports = Progress; + +/** + * Initialize a new `Progress` indicator. + */ +function Progress() { + this.percent = 0; + this.size(0); + this.fontSize(11); + this.font('helvetica, arial, sans-serif'); +} + +/** + * Set progress size to `size`. + * + * @public + * @param {number} size + * @return {Progress} Progress instance. + */ +Progress.prototype.size = function(size) { + this._size = size; + return this; +}; + +/** + * Set text to `text`. + * + * @public + * @param {string} text + * @return {Progress} Progress instance. + */ +Progress.prototype.text = function(text) { + this._text = text; + return this; +}; + +/** + * Set font size to `size`. + * + * @public + * @param {number} size + * @return {Progress} Progress instance. + */ +Progress.prototype.fontSize = function(size) { + this._fontSize = size; + return this; +}; + +/** + * Set font to `family`. + * + * @param {string} family + * @return {Progress} Progress instance. + */ +Progress.prototype.font = function(family) { + this._font = family; + return this; +}; + +/** + * Update percentage to `n`. + * + * @param {number} n + * @return {Progress} Progress instance. + */ +Progress.prototype.update = function(n) { + this.percent = n; + return this; +}; + +/** + * Draw on `ctx`. + * + * @param {CanvasRenderingContext2d} ctx + * @return {Progress} Progress instance. + */ +Progress.prototype.draw = function(ctx) { + try { + var percent = Math.min(this.percent, 100); + var size = this._size; + var half = size / 2; + var x = half; + var y = half; + var rad = half - 1; + var fontSize = this._fontSize; + + ctx.font = fontSize + 'px ' + this._font; + + var angle = Math.PI * 2 * (percent / 100); + ctx.clearRect(0, 0, size, size); + + // outer circle + ctx.strokeStyle = '#9f9f9f'; + ctx.beginPath(); + ctx.arc(x, y, rad, 0, angle, false); + ctx.stroke(); + + // inner circle + ctx.strokeStyle = '#eee'; + ctx.beginPath(); + ctx.arc(x, y, rad - 1, 0, angle, true); + ctx.stroke(); + + // text + var text = this._text || (percent | 0) + '%'; + var w = ctx.measureText(text).width; + + ctx.fillText(text, x - w / 2 + 1, y + fontSize / 2 - 1); + } catch (ignore) { + // don't fail if we can't render progress + } + return this; +}; + +},{}],4:[function(require,module,exports){ +(function (global){ +'use strict'; + +exports.isatty = function isatty() { + return true; +}; + +exports.getWindowSize = function getWindowSize() { + if ('innerHeight' in global) { + return [global.innerHeight, global.innerWidth]; + } + // In a Web Worker, the DOM Window is not available. + return [640, 480]; +}; + +}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) +},{}],5:[function(require,module,exports){ +'use strict'; +/** + * @module Context + */ +/** + * Expose `Context`. + */ + +module.exports = Context; + +/** + * Initialize a new `Context`. + * + * @private + */ +function Context() {} + +/** + * Set or get the context `Runnable` to `runnable`. + * + * @private + * @param {Runnable} runnable + * @return {Context} context + */ +Context.prototype.runnable = function(runnable) { + if (!arguments.length) { + return this._runnable; + } + this.test = this._runnable = runnable; + return this; +}; + +/** + * Set or get test timeout `ms`. + * + * @private + * @param {number} ms + * @return {Context} self + */ +Context.prototype.timeout = function(ms) { + if (!arguments.length) { + return this.runnable().timeout(); + } + this.runnable().timeout(ms); + return this; +}; + +/** + * Set test timeout `enabled`. + * + * @private + * @param {boolean} enabled + * @return {Context} self + */ +Context.prototype.enableTimeouts = function(enabled) { + if (!arguments.length) { + return this.runnable().enableTimeouts(); + } + this.runnable().enableTimeouts(enabled); + return this; +}; + +/** + * Set or get test slowness threshold `ms`. + * + * @private + * @param {number} ms + * @return {Context} self + */ +Context.prototype.slow = function(ms) { + if (!arguments.length) { + return this.runnable().slow(); + } + this.runnable().slow(ms); + return this; +}; + +/** + * Mark a test as skipped. + * + * @private + * @throws Pending + */ +Context.prototype.skip = function() { + this.runnable().skip(); +}; + +/** + * Set or get a number of allowed retries on failed tests + * + * @private + * @param {number} n + * @return {Context} self + */ +Context.prototype.retries = function(n) { + if (!arguments.length) { + return this.runnable().retries(); + } + this.runnable().retries(n); + return this; +}; + +},{}],6:[function(require,module,exports){ +'use strict'; +/** + * @module Errors + */ +/** + * Factory functions to create throwable error objects + */ + +/** + * Creates an error object to be thrown when no files to be tested could be found using specified pattern. + * + * @public + * @param {string} message - Error message to be displayed. + * @param {string} pattern - User-specified argument value. + * @returns {Error} instance detailing the error condition + */ +function createNoFilesMatchPatternError(message, pattern) { + var err = new Error(message); + err.code = 'ERR_MOCHA_NO_FILES_MATCH_PATTERN'; + err.pattern = pattern; + return err; +} + +/** + * Creates an error object to be thrown when the reporter specified in the options was not found. + * + * @public + * @param {string} message - Error message to be displayed. + * @param {string} reporter - User-specified reporter value. + * @returns {Error} instance detailing the error condition + */ +function createInvalidReporterError(message, reporter) { + var err = new TypeError(message); + err.code = 'ERR_MOCHA_INVALID_REPORTER'; + err.reporter = reporter; + return err; +} + +/** + * Creates an error object to be thrown when the interface specified in the options was not found. + * + * @public + * @param {string} message - Error message to be displayed. + * @param {string} ui - User-specified interface value. + * @returns {Error} instance detailing the error condition + */ +function createInvalidInterfaceError(message, ui) { + var err = new Error(message); + err.code = 'ERR_MOCHA_INVALID_INTERFACE'; + err.interface = ui; + return err; +} + +/** + * Creates an error object to be thrown when a behavior, option, or parameter is unsupported. + * + * @public + * @param {string} message - Error message to be displayed. + * @returns {Error} instance detailing the error condition + */ +function createUnsupportedError(message) { + var err = new Error(message); + err.code = 'ERR_MOCHA_UNSUPPORTED'; + return err; +} + +/** + * Creates an error object to be thrown when an argument is missing. + * + * @public + * @param {string} message - Error message to be displayed. + * @param {string} argument - Argument name. + * @param {string} expected - Expected argument datatype. + * @returns {Error} instance detailing the error condition + */ +function createMissingArgumentError(message, argument, expected) { + return createInvalidArgumentTypeError(message, argument, expected); +} + +/** + * Creates an error object to be thrown when an argument did not use the supported type + * + * @public + * @param {string} message - Error message to be displayed. + * @param {string} argument - Argument name. + * @param {string} expected - Expected argument datatype. + * @returns {Error} instance detailing the error condition + */ +function createInvalidArgumentTypeError(message, argument, expected) { + var err = new TypeError(message); + err.code = 'ERR_MOCHA_INVALID_ARG_TYPE'; + err.argument = argument; + err.expected = expected; + err.actual = typeof argument; + return err; +} + +/** + * Creates an error object to be thrown when an argument did not use the supported value + * + * @public + * @param {string} message - Error message to be displayed. + * @param {string} argument - Argument name. + * @param {string} value - Argument value. + * @param {string} [reason] - Why value is invalid. + * @returns {Error} instance detailing the error condition + */ +function createInvalidArgumentValueError(message, argument, value, reason) { + var err = new TypeError(message); + err.code = 'ERR_MOCHA_INVALID_ARG_VALUE'; + err.argument = argument; + err.value = value; + err.reason = typeof reason !== 'undefined' ? reason : 'is invalid'; + return err; +} + +/** + * Creates an error object to be thrown when an exception was caught, but the `Error` is falsy or undefined. + * + * @public + * @param {string} message - Error message to be displayed. + * @returns {Error} instance detailing the error condition + */ +function createInvalidExceptionError(message, value) { + var err = new Error(message); + err.code = 'ERR_MOCHA_INVALID_EXCEPTION'; + err.valueType = typeof value; + err.value = value; + return err; +} + +module.exports = { + createInvalidArgumentTypeError: createInvalidArgumentTypeError, + createInvalidArgumentValueError: createInvalidArgumentValueError, + createInvalidExceptionError: createInvalidExceptionError, + createInvalidInterfaceError: createInvalidInterfaceError, + createInvalidReporterError: createInvalidReporterError, + createMissingArgumentError: createMissingArgumentError, + createNoFilesMatchPatternError: createNoFilesMatchPatternError, + createUnsupportedError: createUnsupportedError +}; + +},{}],7:[function(require,module,exports){ +'use strict'; + +var Runnable = require('./runnable'); +var inherits = require('./utils').inherits; + +/** + * Expose `Hook`. + */ + +module.exports = Hook; + +/** + * Initialize a new `Hook` with the given `title` and callback `fn` + * + * @class + * @extends Runnable + * @param {String} title + * @param {Function} fn + */ +function Hook(title, fn) { + Runnable.call(this, title, fn); + this.type = 'hook'; +} + +/** + * Inherit from `Runnable.prototype`. + */ +inherits(Hook, Runnable); + +/** + * Get or set the test `err`. + * + * @memberof Hook + * @public + * @param {Error} err + * @return {Error} + */ +Hook.prototype.error = function(err) { + if (!arguments.length) { + err = this._error; + this._error = null; + return err; + } + + this._error = err; +}; + +},{"./runnable":33,"./utils":38}],8:[function(require,module,exports){ +'use strict'; + +var Test = require('../test'); +var EVENT_FILE_PRE_REQUIRE = require('../suite').constants + .EVENT_FILE_PRE_REQUIRE; + +/** + * BDD-style interface: + * + * describe('Array', function() { + * describe('#indexOf()', function() { + * it('should return -1 when not present', function() { + * // ... + * }); + * + * it('should return the index when present', function() { + * // ... + * }); + * }); + * }); + * + * @param {Suite} suite Root suite. + */ +module.exports = function bddInterface(suite) { + var suites = [suite]; + + suite.on(EVENT_FILE_PRE_REQUIRE, function(context, file, mocha) { + var common = require('./common')(suites, context, mocha); + + context.before = common.before; + context.after = common.after; + context.beforeEach = common.beforeEach; + context.afterEach = common.afterEach; + context.run = mocha.options.delay && common.runWithSuite(suite); + /** + * Describe a "suite" with the given `title` + * and callback `fn` containing nested suites + * and/or tests. + */ + + context.describe = context.context = function(title, fn) { + return common.suite.create({ + title: title, + file: file, + fn: fn + }); + }; + + /** + * Pending describe. + */ + + context.xdescribe = context.xcontext = context.describe.skip = function( + title, + fn + ) { + return common.suite.skip({ + title: title, + file: file, + fn: fn + }); + }; + + /** + * Exclusive suite. + */ + + context.describe.only = function(title, fn) { + return common.suite.only({ + title: title, + file: file, + fn: fn + }); + }; + + /** + * Describe a specification or test-case + * with the given `title` and callback `fn` + * acting as a thunk. + */ + + context.it = context.specify = function(title, fn) { + var suite = suites[0]; + if (suite.isPending()) { + fn = null; + } + var test = new Test(title, fn); + test.file = file; + suite.addTest(test); + return test; + }; + + /** + * Exclusive test-case. + */ + + context.it.only = function(title, fn) { + return common.test.only(mocha, context.it(title, fn)); + }; + + /** + * Pending test case. + */ + + context.xit = context.xspecify = context.it.skip = function(title) { + return context.it(title); + }; + + /** + * Number of attempts to retry. + */ + context.it.retries = function(n) { + context.retries(n); + }; + }); +}; + +module.exports.description = 'BDD or RSpec style [default]'; + +},{"../suite":36,"../test":37,"./common":9}],9:[function(require,module,exports){ +'use strict'; + +var Suite = require('../suite'); +var errors = require('../errors'); +var createMissingArgumentError = errors.createMissingArgumentError; + +/** + * Functions common to more than one interface. + * + * @param {Suite[]} suites + * @param {Context} context + * @param {Mocha} mocha + * @return {Object} An object containing common functions. + */ +module.exports = function(suites, context, mocha) { + /** + * Check if the suite should be tested. + * + * @private + * @param {Suite} suite - suite to check + * @returns {boolean} + */ + function shouldBeTested(suite) { + return ( + !mocha.options.grep || + (mocha.options.grep && + mocha.options.grep.test(suite.fullTitle()) && + !mocha.options.invert) + ); + } + + return { + /** + * This is only present if flag --delay is passed into Mocha. It triggers + * root suite execution. + * + * @param {Suite} suite The root suite. + * @return {Function} A function which runs the root suite + */ + runWithSuite: function runWithSuite(suite) { + return function run() { + suite.run(); + }; + }, + + /** + * Execute before running tests. + * + * @param {string} name + * @param {Function} fn + */ + before: function(name, fn) { + suites[0].beforeAll(name, fn); + }, + + /** + * Execute after running tests. + * + * @param {string} name + * @param {Function} fn + */ + after: function(name, fn) { + suites[0].afterAll(name, fn); + }, + + /** + * Execute before each test case. + * + * @param {string} name + * @param {Function} fn + */ + beforeEach: function(name, fn) { + suites[0].beforeEach(name, fn); + }, + + /** + * Execute after each test case. + * + * @param {string} name + * @param {Function} fn + */ + afterEach: function(name, fn) { + suites[0].afterEach(name, fn); + }, + + suite: { + /** + * Create an exclusive Suite; convenience function + * See docstring for create() below. + * + * @param {Object} opts + * @returns {Suite} + */ + only: function only(opts) { + opts.isOnly = true; + return this.create(opts); + }, + + /** + * Create a Suite, but skip it; convenience function + * See docstring for create() below. + * + * @param {Object} opts + * @returns {Suite} + */ + skip: function skip(opts) { + opts.pending = true; + return this.create(opts); + }, + + /** + * Creates a suite. + * + * @param {Object} opts Options + * @param {string} opts.title Title of Suite + * @param {Function} [opts.fn] Suite Function (not always applicable) + * @param {boolean} [opts.pending] Is Suite pending? + * @param {string} [opts.file] Filepath where this Suite resides + * @param {boolean} [opts.isOnly] Is Suite exclusive? + * @returns {Suite} + */ + create: function create(opts) { + var suite = Suite.create(suites[0], opts.title); + suite.pending = Boolean(opts.pending); + suite.file = opts.file; + suites.unshift(suite); + if (opts.isOnly) { + if (mocha.options.forbidOnly && shouldBeTested(suite)) { + throw new Error('`.only` forbidden'); + } + + suite.parent.appendOnlySuite(suite); + } + if (suite.pending) { + if (mocha.options.forbidPending && shouldBeTested(suite)) { + throw new Error('Pending test forbidden'); + } + } + if (typeof opts.fn === 'function') { + opts.fn.call(suite); + suites.shift(); + } else if (typeof opts.fn === 'undefined' && !suite.pending) { + throw createMissingArgumentError( + 'Suite "' + + suite.fullTitle() + + '" was defined but no callback was supplied. ' + + 'Supply a callback or explicitly skip the suite.', + 'callback', + 'function' + ); + } else if (!opts.fn && suite.pending) { + suites.shift(); + } + + return suite; + } + }, + + test: { + /** + * Exclusive test-case. + * + * @param {Object} mocha + * @param {Function} test + * @returns {*} + */ + only: function(mocha, test) { + test.parent.appendOnlyTest(test); + return test; + }, + + /** + * Pending test case. + * + * @param {string} title + */ + skip: function(title) { + context.test(title); + }, + + /** + * Number of retry attempts + * + * @param {number} n + */ + retries: function(n) { + context.retries(n); + } + } + }; +}; + +},{"../errors":6,"../suite":36}],10:[function(require,module,exports){ +'use strict'; +var Suite = require('../suite'); +var Test = require('../test'); + +/** + * Exports-style (as Node.js module) interface: + * + * exports.Array = { + * '#indexOf()': { + * 'should return -1 when the value is not present': function() { + * + * }, + * + * 'should return the correct index when the value is present': function() { + * + * } + * } + * }; + * + * @param {Suite} suite Root suite. + */ +module.exports = function(suite) { + var suites = [suite]; + + suite.on(Suite.constants.EVENT_FILE_REQUIRE, visit); + + function visit(obj, file) { + var suite; + for (var key in obj) { + if (typeof obj[key] === 'function') { + var fn = obj[key]; + switch (key) { + case 'before': + suites[0].beforeAll(fn); + break; + case 'after': + suites[0].afterAll(fn); + break; + case 'beforeEach': + suites[0].beforeEach(fn); + break; + case 'afterEach': + suites[0].afterEach(fn); + break; + default: + var test = new Test(key, fn); + test.file = file; + suites[0].addTest(test); + } + } else { + suite = Suite.create(suites[0], key); + suites.unshift(suite); + visit(obj[key], file); + suites.shift(); + } + } + } +}; + +module.exports.description = 'Node.js module ("exports") style'; + +},{"../suite":36,"../test":37}],11:[function(require,module,exports){ +'use strict'; + +exports.bdd = require('./bdd'); +exports.tdd = require('./tdd'); +exports.qunit = require('./qunit'); +exports.exports = require('./exports'); + +},{"./bdd":8,"./exports":10,"./qunit":12,"./tdd":13}],12:[function(require,module,exports){ +'use strict'; + +var Test = require('../test'); +var EVENT_FILE_PRE_REQUIRE = require('../suite').constants + .EVENT_FILE_PRE_REQUIRE; + +/** + * QUnit-style interface: + * + * suite('Array'); + * + * test('#length', function() { + * var arr = [1,2,3]; + * ok(arr.length == 3); + * }); + * + * test('#indexOf()', function() { + * var arr = [1,2,3]; + * ok(arr.indexOf(1) == 0); + * ok(arr.indexOf(2) == 1); + * ok(arr.indexOf(3) == 2); + * }); + * + * suite('String'); + * + * test('#length', function() { + * ok('foo'.length == 3); + * }); + * + * @param {Suite} suite Root suite. + */ +module.exports = function qUnitInterface(suite) { + var suites = [suite]; + + suite.on(EVENT_FILE_PRE_REQUIRE, function(context, file, mocha) { + var common = require('./common')(suites, context, mocha); + + context.before = common.before; + context.after = common.after; + context.beforeEach = common.beforeEach; + context.afterEach = common.afterEach; + context.run = mocha.options.delay && common.runWithSuite(suite); + /** + * Describe a "suite" with the given `title`. + */ + + context.suite = function(title) { + if (suites.length > 1) { + suites.shift(); + } + return common.suite.create({ + title: title, + file: file, + fn: false + }); + }; + + /** + * Exclusive Suite. + */ + + context.suite.only = function(title) { + if (suites.length > 1) { + suites.shift(); + } + return common.suite.only({ + title: title, + file: file, + fn: false + }); + }; + + /** + * Describe a specification or test-case + * with the given `title` and callback `fn` + * acting as a thunk. + */ + + context.test = function(title, fn) { + var test = new Test(title, fn); + test.file = file; + suites[0].addTest(test); + return test; + }; + + /** + * Exclusive test-case. + */ + + context.test.only = function(title, fn) { + return common.test.only(mocha, context.test(title, fn)); + }; + + context.test.skip = common.test.skip; + context.test.retries = common.test.retries; + }); +}; + +module.exports.description = 'QUnit style'; + +},{"../suite":36,"../test":37,"./common":9}],13:[function(require,module,exports){ +'use strict'; + +var Test = require('../test'); +var EVENT_FILE_PRE_REQUIRE = require('../suite').constants + .EVENT_FILE_PRE_REQUIRE; + +/** + * TDD-style interface: + * + * suite('Array', function() { + * suite('#indexOf()', function() { + * suiteSetup(function() { + * + * }); + * + * test('should return -1 when not present', function() { + * + * }); + * + * test('should return the index when present', function() { + * + * }); + * + * suiteTeardown(function() { + * + * }); + * }); + * }); + * + * @param {Suite} suite Root suite. + */ +module.exports = function(suite) { + var suites = [suite]; + + suite.on(EVENT_FILE_PRE_REQUIRE, function(context, file, mocha) { + var common = require('./common')(suites, context, mocha); + + context.setup = common.beforeEach; + context.teardown = common.afterEach; + context.suiteSetup = common.before; + context.suiteTeardown = common.after; + context.run = mocha.options.delay && common.runWithSuite(suite); + + /** + * Describe a "suite" with the given `title` and callback `fn` containing + * nested suites and/or tests. + */ + context.suite = function(title, fn) { + return common.suite.create({ + title: title, + file: file, + fn: fn + }); + }; + + /** + * Pending suite. + */ + context.suite.skip = function(title, fn) { + return common.suite.skip({ + title: title, + file: file, + fn: fn + }); + }; + + /** + * Exclusive test-case. + */ + context.suite.only = function(title, fn) { + return common.suite.only({ + title: title, + file: file, + fn: fn + }); + }; + + /** + * Describe a specification or test-case with the given `title` and + * callback `fn` acting as a thunk. + */ + context.test = function(title, fn) { + var suite = suites[0]; + if (suite.isPending()) { + fn = null; + } + var test = new Test(title, fn); + test.file = file; + suite.addTest(test); + return test; + }; + + /** + * Exclusive test-case. + */ + + context.test.only = function(title, fn) { + return common.test.only(mocha, context.test(title, fn)); + }; + + context.test.skip = common.test.skip; + context.test.retries = common.test.retries; + }); +}; + +module.exports.description = + 'traditional "suite"/"test" instead of BDD\'s "describe"/"it"'; + +},{"../suite":36,"../test":37,"./common":9}],14:[function(require,module,exports){ +(function (process,global){ +'use strict'; + +/*! + * mocha + * Copyright(c) 2011 TJ Holowaychuk + * MIT Licensed + */ + +var escapeRe = require('escape-string-regexp'); +var path = require('path'); +var builtinReporters = require('./reporters'); +var growl = require('./growl'); +var utils = require('./utils'); +var mocharc = require('./mocharc.json'); +var errors = require('./errors'); +var Suite = require('./suite'); +var createStatsCollector = require('./stats-collector'); +var createInvalidReporterError = errors.createInvalidReporterError; +var createInvalidInterfaceError = errors.createInvalidInterfaceError; +var EVENT_FILE_PRE_REQUIRE = Suite.constants.EVENT_FILE_PRE_REQUIRE; +var EVENT_FILE_POST_REQUIRE = Suite.constants.EVENT_FILE_POST_REQUIRE; +var EVENT_FILE_REQUIRE = Suite.constants.EVENT_FILE_REQUIRE; +var sQuote = utils.sQuote; + +exports = module.exports = Mocha; + +/** + * To require local UIs and reporters when running in node. + */ + +if (!process.browser) { + var cwd = process.cwd(); + module.paths.push(cwd, path.join(cwd, 'node_modules')); +} + +/** + * Expose internals. + */ + +/** + * @public + * @class utils + * @memberof Mocha + */ +exports.utils = utils; +exports.interfaces = require('./interfaces'); +/** + * @public + * @memberof Mocha + */ +exports.reporters = builtinReporters; +exports.Runnable = require('./runnable'); +exports.Context = require('./context'); +/** + * + * @memberof Mocha + */ +exports.Runner = require('./runner'); +exports.Suite = Suite; +exports.Hook = require('./hook'); +exports.Test = require('./test'); + +/** + * Constructs a new Mocha instance with `options`. + * + * @public + * @class Mocha + * @param {Object} [options] - Settings object. + * @param {boolean} [options.allowUncaught] - Propagate uncaught errors? + * @param {boolean} [options.asyncOnly] - Force `done` callback or promise? + * @param {boolean} [options.bail] - Bail after first test failure? + * @param {boolean} [options.checkLeaks] - If true, check leaks. + * @param {boolean} [options.delay] - Delay root suite execution? + * @param {boolean} [options.enableTimeouts] - Enable timeouts? + * @param {string} [options.fgrep] - Test filter given string. + * @param {boolean} [options.forbidOnly] - Tests marked `only` fail the suite? + * @param {boolean} [options.forbidPending] - Pending tests fail the suite? + * @param {boolean} [options.fullStackTrace] - Full stacktrace upon failure? + * @param {string[]} [options.global] - Variables expected in global scope. + * @param {RegExp|string} [options.grep] - Test filter given regular expression. + * @param {boolean} [options.growl] - Enable desktop notifications? + * @param {boolean} [options.hideDiff] - Suppress diffs from failures? + * @param {boolean} [options.ignoreLeaks] - Ignore global leaks? + * @param {boolean} [options.invert] - Invert test filter matches? + * @param {boolean} [options.noHighlighting] - Disable syntax highlighting? + * @param {string} [options.reporter] - Reporter name. + * @param {Object} [options.reporterOption] - Reporter settings object. + * @param {number} [options.retries] - Number of times to retry failed tests. + * @param {number} [options.slow] - Slow threshold value. + * @param {number|string} [options.timeout] - Timeout threshold value. + * @param {string} [options.ui] - Interface name. + * @param {boolean} [options.color] - Color TTY output from reporter? + * @param {boolean} [options.useInlineDiffs] - Use inline diffs? + */ +function Mocha(options) { + options = utils.assign({}, mocharc, options || {}); + this.files = []; + this.options = options; + // root suite + this.suite = new exports.Suite('', new exports.Context(), true); + + if ('useColors' in options) { + utils.deprecate( + 'useColors is DEPRECATED and will be removed from a future version of Mocha. Instead, use the "color" option' + ); + options.color = 'color' in options ? options.color : options.useColors; + } + + // Globals are passed in as options.global, with options.globals for backward compatibility. + options.globals = options.global || options.globals || []; + delete options.global; + + this.grep(options.grep) + .fgrep(options.fgrep) + .ui(options.ui) + .bail(options.bail) + .reporter(options.reporter, options.reporterOptions) + .useColors(options.color) + .slow(options.slow) + .useInlineDiffs(options.inlineDiffs) + .globals(options.globals); + + if ('enableTimeouts' in options) { + utils.deprecate( + 'enableTimeouts is DEPRECATED and will be removed from a future version of Mocha. Instead, use "timeout: false" to disable timeouts.' + ); + if (options.enableTimeouts === false) { + this.timeout(0); + } + } + + // this guard exists because Suite#timeout does not consider `undefined` to be valid input + if (typeof options.timeout !== 'undefined') { + this.timeout(options.timeout === false ? 0 : options.timeout); + } + + if ('retries' in options) { + this.retries(options.retries); + } + + if ('diff' in options) { + this.hideDiff(!options.diff); + } + + [ + 'allowUncaught', + 'asyncOnly', + 'checkLeaks', + 'delay', + 'forbidOnly', + 'forbidPending', + 'fullTrace', + 'growl', + 'invert' + ].forEach(function(opt) { + if (options[opt]) { + this[opt](); + } + }, this); +} + +/** + * Enables or disables bailing on the first failure. + * + * @public + * @see {@link https://mochajs.org/#-b---bail|CLI option} + * @param {boolean} [bail=true] - Whether to bail on first error. + * @returns {Mocha} this + * @chainable + */ +Mocha.prototype.bail = function(bail) { + if (!arguments.length) { + bail = true; + } + this.suite.bail(bail); + return this; +}; + +/** + * @summary + * Adds `file` to be loaded for execution. + * + * @description + * Useful for generic setup code that must be included within test suite. + * + * @public + * @see {@link https://mochajs.org/#--file-file|CLI option} + * @param {string} file - Pathname of file to be loaded. + * @returns {Mocha} this + * @chainable + */ +Mocha.prototype.addFile = function(file) { + this.files.push(file); + return this; +}; + +/** + * Sets reporter to `reporter`, defaults to "spec". + * + * @public + * @see {@link https://mochajs.org/#-r---reporter-name|CLI option} + * @see {@link https://mochajs.org/#reporters|Reporters} + * @param {String|Function} reporter - Reporter name or constructor. + * @param {Object} [reporterOptions] - Options used to configure the reporter. + * @returns {Mocha} this + * @chainable + * @throws {Error} if requested reporter cannot be loaded + * @example + * + * // Use XUnit reporter and direct its output to file + * mocha.reporter('xunit', { output: '/path/to/testspec.xunit.xml' }); + */ +Mocha.prototype.reporter = function(reporter, reporterOptions) { + if (typeof reporter === 'function') { + this._reporter = reporter; + } else { + reporter = reporter || 'spec'; + var _reporter; + // Try to load a built-in reporter. + if (builtinReporters[reporter]) { + _reporter = builtinReporters[reporter]; + } + // Try to load reporters from process.cwd() and node_modules + if (!_reporter) { + try { + _reporter = require(reporter); + } catch (err) { + if ( + err.code !== 'MODULE_NOT_FOUND' || + err.message.indexOf('Cannot find module') !== -1 + ) { + // Try to load reporters from a path (absolute or relative) + try { + _reporter = require(path.resolve(process.cwd(), reporter)); + } catch (_err) { + _err.code !== 'MODULE_NOT_FOUND' || + _err.message.indexOf('Cannot find module') !== -1 + ? console.warn(sQuote(reporter) + ' reporter not found') + : console.warn( + sQuote(reporter) + + ' reporter blew up with error:\n' + + err.stack + ); + } + } else { + console.warn( + sQuote(reporter) + ' reporter blew up with error:\n' + err.stack + ); + } + } + } + if (!_reporter) { + throw createInvalidReporterError( + 'invalid reporter ' + sQuote(reporter), + reporter + ); + } + this._reporter = _reporter; + } + this.options.reporterOptions = reporterOptions; + return this; +}; + +/** + * Sets test UI `name`, defaults to "bdd". + * + * @public + * @see {@link https://mochajs.org/#-u---ui-name|CLI option} + * @see {@link https://mochajs.org/#interfaces|Interface DSLs} + * @param {string|Function} [ui=bdd] - Interface name or class. + * @returns {Mocha} this + * @chainable + * @throws {Error} if requested interface cannot be loaded + */ +Mocha.prototype.ui = function(ui) { + var bindInterface; + if (typeof ui === 'function') { + bindInterface = ui; + } else { + ui = ui || 'bdd'; + bindInterface = exports.interfaces[ui]; + if (!bindInterface) { + try { + bindInterface = require(ui); + } catch (err) { + throw createInvalidInterfaceError( + 'invalid interface ' + sQuote(ui), + ui + ); + } + } + } + bindInterface(this.suite); + + this.suite.on(EVENT_FILE_PRE_REQUIRE, function(context) { + exports.afterEach = context.afterEach || context.teardown; + exports.after = context.after || context.suiteTeardown; + exports.beforeEach = context.beforeEach || context.setup; + exports.before = context.before || context.suiteSetup; + exports.describe = context.describe || context.suite; + exports.it = context.it || context.test; + exports.xit = context.xit || (context.test && context.test.skip); + exports.setup = context.setup || context.beforeEach; + exports.suiteSetup = context.suiteSetup || context.before; + exports.suiteTeardown = context.suiteTeardown || context.after; + exports.suite = context.suite || context.describe; + exports.teardown = context.teardown || context.afterEach; + exports.test = context.test || context.it; + exports.run = context.run; + }); + + return this; +}; + +/** + * Loads `files` prior to execution. + * + * @description + * The implementation relies on Node's `require` to execute + * the test interface functions and will be subject to its cache. + * + * @private + * @see {@link Mocha#addFile} + * @see {@link Mocha#run} + * @see {@link Mocha#unloadFiles} + * @param {Function} [fn] - Callback invoked upon completion. + */ +Mocha.prototype.loadFiles = function(fn) { + var self = this; + var suite = this.suite; + this.files.forEach(function(file) { + file = path.resolve(file); + suite.emit(EVENT_FILE_PRE_REQUIRE, global, file, self); + suite.emit(EVENT_FILE_REQUIRE, require(file), file, self); + suite.emit(EVENT_FILE_POST_REQUIRE, global, file, self); + }); + fn && fn(); +}; + +/** + * Removes a previously loaded file from Node's `require` cache. + * + * @private + * @static + * @see {@link Mocha#unloadFiles} + * @param {string} file - Pathname of file to be unloaded. + */ +Mocha.unloadFile = function(file) { + delete require.cache[require.resolve(file)]; +}; + +/** + * Unloads `files` from Node's `require` cache. + * + * @description + * This allows files to be "freshly" reloaded, providing the ability + * to reuse a Mocha instance programmatically. + * + * Intended for consumers — not used internally + * + * @public + * @see {@link Mocha.unloadFile} + * @see {@link Mocha#loadFiles} + * @see {@link Mocha#run} + * @returns {Mocha} this + * @chainable + */ +Mocha.prototype.unloadFiles = function() { + this.files.forEach(Mocha.unloadFile); + return this; +}; + +/** + * Sets `grep` filter after escaping RegExp special characters. + * + * @public + * @see {@link Mocha#grep} + * @param {string} str - Value to be converted to a regexp. + * @returns {Mocha} this + * @chainable + * @example + * + * // Select tests whose full title begins with `"foo"` followed by a period + * mocha.fgrep('foo.'); + */ +Mocha.prototype.fgrep = function(str) { + if (!str) { + return this; + } + return this.grep(new RegExp(escapeRe(str))); +}; + +/** + * @summary + * Sets `grep` filter used to select specific tests for execution. + * + * @description + * If `re` is a regexp-like string, it will be converted to regexp. + * The regexp is tested against the full title of each test (i.e., the + * name of the test preceded by titles of each its ancestral suites). + * As such, using an exact-match fixed pattern against the + * test name itself will not yield any matches. + *
+ * Previous filter value will be overwritten on each call! + * + * @public + * @see {@link https://mochajs.org/#-g---grep-pattern|CLI option} + * @see {@link Mocha#fgrep} + * @see {@link Mocha#invert} + * @param {RegExp|String} re - Regular expression used to select tests. + * @return {Mocha} this + * @chainable + * @example + * + * // Select tests whose full title contains `"match"`, ignoring case + * mocha.grep(/match/i); + * @example + * + * // Same as above but with regexp-like string argument + * mocha.grep('/match/i'); + * @example + * + * // ## Anti-example + * // Given embedded test `it('only-this-test')`... + * mocha.grep('/^only-this-test$/'); // NO! Use `.only()` to do this! + */ +Mocha.prototype.grep = function(re) { + if (utils.isString(re)) { + // extract args if it's regex-like, i.e: [string, pattern, flag] + var arg = re.match(/^\/(.*)\/(g|i|)$|.*/); + this.options.grep = new RegExp(arg[1] || arg[0], arg[2]); + } else { + this.options.grep = re; + } + return this; +}; + +/** + * Inverts `grep` matches. + * + * @public + * @see {@link Mocha#grep} + * @return {Mocha} this + * @chainable + * @example + * + * // Select tests whose full title does *not* contain `"match"`, ignoring case + * mocha.grep(/match/i).invert(); + */ +Mocha.prototype.invert = function() { + this.options.invert = true; + return this; +}; + +/** + * Enables or disables ignoring global leaks. + * + * @public + * @see {@link Mocha#checkLeaks} + * @param {boolean} ignoreLeaks - Whether to ignore global leaks. + * @return {Mocha} this + * @chainable + * @example + * + * // Ignore global leaks + * mocha.ignoreLeaks(true); + */ +Mocha.prototype.ignoreLeaks = function(ignoreLeaks) { + this.options.ignoreLeaks = Boolean(ignoreLeaks); + return this; +}; + +/** + * Enables checking for global variables leaked while running tests. + * + * @public + * @see {@link https://mochajs.org/#--check-leaks|CLI option} + * @see {@link Mocha#ignoreLeaks} + * @return {Mocha} this + * @chainable + */ +Mocha.prototype.checkLeaks = function() { + this.options.ignoreLeaks = false; + return this; +}; + +/** + * Displays full stack trace upon test failure. + * + * @public + * @return {Mocha} this + * @chainable + */ +Mocha.prototype.fullTrace = function() { + this.options.fullStackTrace = true; + return this; +}; + +/** + * Enables desktop notification support if prerequisite software installed. + * + * @public + * @see {@link Mocha#isGrowlCapable} + * @see {@link Mocha#_growl} + * @return {Mocha} this + * @chainable + */ +Mocha.prototype.growl = function() { + this.options.growl = this.isGrowlCapable(); + if (!this.options.growl) { + var detail = process.browser + ? 'notification support not available in this browser...' + : 'notification support prerequisites not installed...'; + console.error(detail + ' cannot enable!'); + } + return this; +}; + +/** + * @summary + * Determines if Growl support seems likely. + * + * @description + * Not available when run in browser. + * + * @private + * @see {@link Growl#isCapable} + * @see {@link Mocha#growl} + * @return {boolean} whether Growl support can be expected + */ +Mocha.prototype.isGrowlCapable = growl.isCapable; + +/** + * Implements desktop notifications using a pseudo-reporter. + * + * @private + * @see {@link Mocha#growl} + * @see {@link Growl#notify} + * @param {Runner} runner - Runner instance. + */ +Mocha.prototype._growl = growl.notify; + +/** + * Specifies whitelist of variable names to be expected in global scope. + * + * @public + * @see {@link https://mochajs.org/#-global-variable-name|CLI option} + * @see {@link Mocha#checkLeaks} + * @param {String[]|String} globals - Accepted global variable name(s). + * @return {Mocha} this + * @chainable + * @example + * + * // Specify variables to be expected in global scope + * mocha.globals(['jQuery', 'MyLib']); + */ +Mocha.prototype.globals = function(globals) { + this.options.globals = this.options.globals + .concat(globals) + .filter(Boolean) + .filter(function(elt, idx, arr) { + return arr.indexOf(elt) === idx; + }); + return this; +}; + +/** + * Enables or disables TTY color output by screen-oriented reporters. + * + * @public + * @param {boolean} colors - Whether to enable color output. + * @return {Mocha} this + * @chainable + */ +Mocha.prototype.useColors = function(colors) { + if (colors !== undefined) { + this.options.useColors = colors; + } + return this; +}; + +/** + * Determines if reporter should use inline diffs (rather than +/-) + * in test failure output. + * + * @public + * @param {boolean} inlineDiffs - Whether to use inline diffs. + * @return {Mocha} this + * @chainable + */ +Mocha.prototype.useInlineDiffs = function(inlineDiffs) { + this.options.useInlineDiffs = inlineDiffs !== undefined && inlineDiffs; + return this; +}; + +/** + * Determines if reporter should include diffs in test failure output. + * + * @public + * @param {boolean} hideDiff - Whether to hide diffs. + * @return {Mocha} this + * @chainable + */ +Mocha.prototype.hideDiff = function(hideDiff) { + this.options.hideDiff = hideDiff !== undefined && hideDiff; + return this; +}; + +/** + * @summary + * Sets timeout threshold value. + * + * @description + * A string argument can use shorthand (such as "2s") and will be converted. + * If the value is `0`, timeouts will be disabled. + * + * @public + * @see {@link https://mochajs.org/#-t---timeout-ms|CLI option} + * @see {@link https://mochajs.org/#--no-timeouts|CLI option} + * @see {@link https://mochajs.org/#timeouts|Timeouts} + * @see {@link Mocha#enableTimeouts} + * @param {number|string} msecs - Timeout threshold value. + * @return {Mocha} this + * @chainable + * @example + * + * // Sets timeout to one second + * mocha.timeout(1000); + * @example + * + * // Same as above but using string argument + * mocha.timeout('1s'); + */ +Mocha.prototype.timeout = function(msecs) { + this.suite.timeout(msecs); + return this; +}; + +/** + * Sets the number of times to retry failed tests. + * + * @public + * @see {@link https://mochajs.org/#retry-tests|Retry Tests} + * @param {number} retry - Number of times to retry failed tests. + * @return {Mocha} this + * @chainable + * @example + * + * // Allow any failed test to retry one more time + * mocha.retries(1); + */ +Mocha.prototype.retries = function(n) { + this.suite.retries(n); + return this; +}; + +/** + * Sets slowness threshold value. + * + * @public + * @see {@link https://mochajs.org/#-s---slow-ms|CLI option} + * @param {number} msecs - Slowness threshold value. + * @return {Mocha} this + * @chainable + * @example + * + * // Sets "slow" threshold to half a second + * mocha.slow(500); + * @example + * + * // Same as above but using string argument + * mocha.slow('0.5s'); + */ +Mocha.prototype.slow = function(msecs) { + this.suite.slow(msecs); + return this; +}; + +/** + * Enables or disables timeouts. + * + * @public + * @see {@link https://mochajs.org/#-t---timeout-ms|CLI option} + * @see {@link https://mochajs.org/#--no-timeouts|CLI option} + * @param {boolean} enableTimeouts - Whether to enable timeouts. + * @return {Mocha} this + * @chainable + */ +Mocha.prototype.enableTimeouts = function(enableTimeouts) { + this.suite.enableTimeouts( + arguments.length && enableTimeouts !== undefined ? enableTimeouts : true + ); + return this; +}; + +/** + * Forces all tests to either accept a `done` callback or return a promise. + * + * @public + * @return {Mocha} this + * @chainable + */ +Mocha.prototype.asyncOnly = function() { + this.options.asyncOnly = true; + return this; +}; + +/** + * Disables syntax highlighting (in browser). + * + * @public + * @return {Mocha} this + * @chainable + */ +Mocha.prototype.noHighlighting = function() { + this.options.noHighlighting = true; + return this; +}; + +/** + * Enables uncaught errors to propagate (in browser). + * + * @public + * @return {Mocha} this + * @chainable + */ +Mocha.prototype.allowUncaught = function() { + this.options.allowUncaught = true; + return this; +}; + +/** + * @summary + * Delays root suite execution. + * + * @description + * Used to perform asynch operations before any suites are run. + * + * @public + * @see {@link https://mochajs.org/#delayed-root-suite|delayed root suite} + * @returns {Mocha} this + * @chainable + */ +Mocha.prototype.delay = function delay() { + this.options.delay = true; + return this; +}; + +/** + * Causes tests marked `only` to fail the suite. + * + * @public + * @returns {Mocha} this + * @chainable + */ +Mocha.prototype.forbidOnly = function() { + this.options.forbidOnly = true; + return this; +}; + +/** + * Causes pending tests and tests marked `skip` to fail the suite. + * + * @public + * @returns {Mocha} this + * @chainable + */ +Mocha.prototype.forbidPending = function() { + this.options.forbidPending = true; + return this; +}; + +/** + * Mocha version as specified by "package.json". + * + * @name Mocha#version + * @type string + * @readonly + */ +Object.defineProperty(Mocha.prototype, 'version', { + value: require('../package.json').version, + configurable: false, + enumerable: true, + writable: false +}); + +/** + * Callback to be invoked when test execution is complete. + * + * @callback DoneCB + * @param {number} failures - Number of failures that occurred. + */ + +/** + * Runs root suite and invokes `fn()` when complete. + * + * @description + * To run tests multiple times (or to run tests in files that are + * already in the `require` cache), make sure to clear them from + * the cache first! + * + * @public + * @see {@link Mocha#loadFiles} + * @see {@link Mocha#unloadFiles} + * @see {@link Runner#run} + * @param {DoneCB} [fn] - Callback invoked when test execution completed. + * @return {Runner} runner instance + */ +Mocha.prototype.run = function(fn) { + if (this.files.length) { + this.loadFiles(); + } + var suite = this.suite; + var options = this.options; + options.files = this.files; + var runner = new exports.Runner(suite, options.delay); + createStatsCollector(runner); + var reporter = new this._reporter(runner, options); + runner.ignoreLeaks = options.ignoreLeaks !== false; + runner.fullStackTrace = options.fullStackTrace; + runner.asyncOnly = options.asyncOnly; + runner.allowUncaught = options.allowUncaught; + runner.forbidOnly = options.forbidOnly; + runner.forbidPending = options.forbidPending; + if (options.grep) { + runner.grep(options.grep, options.invert); + } + if (options.globals) { + runner.globals(options.globals); + } + if (options.growl) { + this._growl(runner); + } + if (options.useColors !== undefined) { + exports.reporters.Base.useColors = options.useColors; + } + exports.reporters.Base.inlineDiffs = options.useInlineDiffs; + exports.reporters.Base.hideDiff = options.hideDiff; + + function done(failures) { + fn = fn || utils.noop; + if (reporter.done) { + reporter.done(failures, fn); + } else { + fn(failures); + } + } + + return runner.run(done); +}; + +}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) +},{"../package.json":90,"./context":5,"./errors":6,"./growl":2,"./hook":7,"./interfaces":11,"./mocharc.json":15,"./reporters":21,"./runnable":33,"./runner":34,"./stats-collector":35,"./suite":36,"./test":37,"./utils":38,"_process":69,"escape-string-regexp":49,"path":42}],15:[function(require,module,exports){ +module.exports={ + "diff": true, + "extension": ["js"], + "opts": "./test/mocha.opts", + "package": "./package.json", + "reporter": "spec", + "slow": 75, + "timeout": 2000, + "ui": "bdd" +} + +},{}],16:[function(require,module,exports){ +'use strict'; + +module.exports = Pending; + +/** + * Initialize a new `Pending` error with the given message. + * + * @param {string} message + */ +function Pending(message) { + this.message = message; +} + +},{}],17:[function(require,module,exports){ +(function (process){ +'use strict'; +/** + * @module Base + */ +/** + * Module dependencies. + */ + +var tty = require('tty'); +var diff = require('diff'); +var milliseconds = require('ms'); +var utils = require('../utils'); +var supportsColor = process.browser ? null : require('supports-color'); +var constants = require('../runner').constants; +var EVENT_TEST_PASS = constants.EVENT_TEST_PASS; +var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL; + +/** + * Expose `Base`. + */ + +exports = module.exports = Base; + +/** + * Check if both stdio streams are associated with a tty. + */ + +var isatty = tty.isatty(1) && tty.isatty(2); + +/** + * Save log references to avoid tests interfering (see GH-3604). + */ +var consoleLog = console.log; + +/** + * Enable coloring by default, except in the browser interface. + */ + +exports.useColors = + !process.browser && + (supportsColor.stdout || process.env.MOCHA_COLORS !== undefined); + +/** + * Inline diffs instead of +/- + */ + +exports.inlineDiffs = false; + +/** + * Default color map. + */ + +exports.colors = { + pass: 90, + fail: 31, + 'bright pass': 92, + 'bright fail': 91, + 'bright yellow': 93, + pending: 36, + suite: 0, + 'error title': 0, + 'error message': 31, + 'error stack': 90, + checkmark: 32, + fast: 90, + medium: 33, + slow: 31, + green: 32, + light: 90, + 'diff gutter': 90, + 'diff added': 32, + 'diff removed': 31 +}; + +/** + * Default symbol map. + */ + +exports.symbols = { + ok: '✓', + err: '✖', + dot: '․', + comma: ',', + bang: '!' +}; + +// With node.js on Windows: use symbols available in terminal default fonts +if (process.platform === 'win32') { + exports.symbols.ok = '\u221A'; + exports.symbols.err = '\u00D7'; + exports.symbols.dot = '.'; +} + +/** + * Color `str` with the given `type`, + * allowing colors to be disabled, + * as well as user-defined color + * schemes. + * + * @private + * @param {string} type + * @param {string} str + * @return {string} + */ +var color = (exports.color = function(type, str) { + if (!exports.useColors) { + return String(str); + } + return '\u001b[' + exports.colors[type] + 'm' + str + '\u001b[0m'; +}); + +/** + * Expose term window size, with some defaults for when stderr is not a tty. + */ + +exports.window = { + width: 75 +}; + +if (isatty) { + exports.window.width = process.stdout.getWindowSize + ? process.stdout.getWindowSize(1)[0] + : tty.getWindowSize()[1]; +} + +/** + * Expose some basic cursor interactions that are common among reporters. + */ + +exports.cursor = { + hide: function() { + isatty && process.stdout.write('\u001b[?25l'); + }, + + show: function() { + isatty && process.stdout.write('\u001b[?25h'); + }, + + deleteLine: function() { + isatty && process.stdout.write('\u001b[2K'); + }, + + beginningOfLine: function() { + isatty && process.stdout.write('\u001b[0G'); + }, + + CR: function() { + if (isatty) { + exports.cursor.deleteLine(); + exports.cursor.beginningOfLine(); + } else { + process.stdout.write('\r'); + } + } +}; + +function showDiff(err) { + return ( + err && + err.showDiff !== false && + sameType(err.actual, err.expected) && + err.expected !== undefined + ); +} + +function stringifyDiffObjs(err) { + if (!utils.isString(err.actual) || !utils.isString(err.expected)) { + err.actual = utils.stringify(err.actual); + err.expected = utils.stringify(err.expected); + } +} + +/** + * Returns a diff between 2 strings with coloured ANSI output. + * + * @description + * The diff will be either inline or unified dependent on the value + * of `Base.inlineDiff`. + * + * @param {string} actual + * @param {string} expected + * @return {string} Diff + */ +var generateDiff = (exports.generateDiff = function(actual, expected) { + return exports.inlineDiffs + ? inlineDiff(actual, expected) + : unifiedDiff(actual, expected); +}); + +/** + * Outputs the given `failures` as a list. + * + * @public + * @memberof Mocha.reporters.Base + * @variation 1 + * @param {Object[]} failures - Each is Test instance with corresponding + * Error property + */ +exports.list = function(failures) { + Base.consoleLog(); + failures.forEach(function(test, i) { + // format + var fmt = + color('error title', ' %s) %s:\n') + + color('error message', ' %s') + + color('error stack', '\n%s\n'); + + // msg + var msg; + var err = test.err; + var message; + if (err.message && typeof err.message.toString === 'function') { + message = err.message + ''; + } else if (typeof err.inspect === 'function') { + message = err.inspect() + ''; + } else { + message = ''; + } + var stack = err.stack || message; + var index = message ? stack.indexOf(message) : -1; + + if (index === -1) { + msg = message; + } else { + index += message.length; + msg = stack.slice(0, index); + // remove msg from stack + stack = stack.slice(index + 1); + } + + // uncaught + if (err.uncaught) { + msg = 'Uncaught ' + msg; + } + // explicitly show diff + if (!exports.hideDiff && showDiff(err)) { + stringifyDiffObjs(err); + fmt = + color('error title', ' %s) %s:\n%s') + color('error stack', '\n%s\n'); + var match = message.match(/^([^:]+): expected/); + msg = '\n ' + color('error message', match ? match[1] : msg); + + msg += generateDiff(err.actual, err.expected); + } + + // indent stack trace + stack = stack.replace(/^/gm, ' '); + + // indented test title + var testTitle = ''; + test.titlePath().forEach(function(str, index) { + if (index !== 0) { + testTitle += '\n '; + } + for (var i = 0; i < index; i++) { + testTitle += ' '; + } + testTitle += str; + }); + + Base.consoleLog(fmt, i + 1, testTitle, msg, stack); + }); +}; + +/** + * Constructs a new `Base` reporter instance. + * + * @description + * All other reporters generally inherit from this reporter. + * + * @public + * @class + * @memberof Mocha.reporters + * @param {Runner} runner - Instance triggers reporter actions. + * @param {Object} [options] - runner options + */ +function Base(runner, options) { + var failures = (this.failures = []); + + if (!runner) { + throw new TypeError('Missing runner argument'); + } + this.options = options || {}; + this.runner = runner; + this.stats = runner.stats; // assigned so Reporters keep a closer reference + + runner.on(EVENT_TEST_PASS, function(test) { + if (test.duration > test.slow()) { + test.speed = 'slow'; + } else if (test.duration > test.slow() / 2) { + test.speed = 'medium'; + } else { + test.speed = 'fast'; + } + }); + + runner.on(EVENT_TEST_FAIL, function(test, err) { + if (showDiff(err)) { + stringifyDiffObjs(err); + } + test.err = err; + failures.push(test); + }); +} + +/** + * Outputs common epilogue used by many of the bundled reporters. + * + * @public + * @memberof Mocha.reporters.Base + */ +Base.prototype.epilogue = function() { + var stats = this.stats; + var fmt; + + Base.consoleLog(); + + // passes + fmt = + color('bright pass', ' ') + + color('green', ' %d passing') + + color('light', ' (%s)'); + + Base.consoleLog(fmt, stats.passes || 0, milliseconds(stats.duration)); + + // pending + if (stats.pending) { + fmt = color('pending', ' ') + color('pending', ' %d pending'); + + Base.consoleLog(fmt, stats.pending); + } + + // failures + if (stats.failures) { + fmt = color('fail', ' %d failing'); + + Base.consoleLog(fmt, stats.failures); + + Base.list(this.failures); + Base.consoleLog(); + } + + Base.consoleLog(); +}; + +/** + * Pads the given `str` to `len`. + * + * @private + * @param {string} str + * @param {string} len + * @return {string} + */ +function pad(str, len) { + str = String(str); + return Array(len - str.length + 1).join(' ') + str; +} + +/** + * Returns inline diff between 2 strings with coloured ANSI output. + * + * @private + * @param {String} actual + * @param {String} expected + * @return {string} Diff + */ +function inlineDiff(actual, expected) { + var msg = errorDiff(actual, expected); + + // linenos + var lines = msg.split('\n'); + if (lines.length > 4) { + var width = String(lines.length).length; + msg = lines + .map(function(str, i) { + return pad(++i, width) + ' |' + ' ' + str; + }) + .join('\n'); + } + + // legend + msg = + '\n' + + color('diff removed', 'actual') + + ' ' + + color('diff added', 'expected') + + '\n\n' + + msg + + '\n'; + + // indent + msg = msg.replace(/^/gm, ' '); + return msg; +} + +/** + * Returns unified diff between two strings with coloured ANSI output. + * + * @private + * @param {String} actual + * @param {String} expected + * @return {string} The diff. + */ +function unifiedDiff(actual, expected) { + var indent = ' '; + function cleanUp(line) { + if (line[0] === '+') { + return indent + colorLines('diff added', line); + } + if (line[0] === '-') { + return indent + colorLines('diff removed', line); + } + if (line.match(/@@/)) { + return '--'; + } + if (line.match(/\\ No newline/)) { + return null; + } + return indent + line; + } + function notBlank(line) { + return typeof line !== 'undefined' && line !== null; + } + var msg = diff.createPatch('string', actual, expected); + var lines = msg.split('\n').splice(5); + return ( + '\n ' + + colorLines('diff added', '+ expected') + + ' ' + + colorLines('diff removed', '- actual') + + '\n\n' + + lines + .map(cleanUp) + .filter(notBlank) + .join('\n') + ); +} + +/** + * Returns character diff for `err`. + * + * @private + * @param {String} actual + * @param {String} expected + * @return {string} the diff + */ +function errorDiff(actual, expected) { + return diff + .diffWordsWithSpace(actual, expected) + .map(function(str) { + if (str.added) { + return colorLines('diff added', str.value); + } + if (str.removed) { + return colorLines('diff removed', str.value); + } + return str.value; + }) + .join(''); +} + +/** + * Colors lines for `str`, using the color `name`. + * + * @private + * @param {string} name + * @param {string} str + * @return {string} + */ +function colorLines(name, str) { + return str + .split('\n') + .map(function(str) { + return color(name, str); + }) + .join('\n'); +} + +/** + * Object#toString reference. + */ +var objToString = Object.prototype.toString; + +/** + * Checks that a / b have the same type. + * + * @private + * @param {Object} a + * @param {Object} b + * @return {boolean} + */ +function sameType(a, b) { + return objToString.call(a) === objToString.call(b); +} + +Base.consoleLog = consoleLog; + +Base.abstract = true; + +}).call(this,require('_process')) +},{"../runner":34,"../utils":38,"_process":69,"diff":48,"ms":60,"supports-color":42,"tty":4}],18:[function(require,module,exports){ +'use strict'; +/** + * @module Doc + */ +/** + * Module dependencies. + */ + +var Base = require('./base'); +var utils = require('../utils'); +var constants = require('../runner').constants; +var EVENT_TEST_PASS = constants.EVENT_TEST_PASS; +var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL; +var EVENT_SUITE_BEGIN = constants.EVENT_SUITE_BEGIN; +var EVENT_SUITE_END = constants.EVENT_SUITE_END; + +/** + * Expose `Doc`. + */ + +exports = module.exports = Doc; + +/** + * Constructs a new `Doc` reporter instance. + * + * @public + * @class + * @memberof Mocha.reporters + * @extends Mocha.reporters.Base + * @param {Runner} runner - Instance triggers reporter actions. + * @param {Object} [options] - runner options + */ +function Doc(runner, options) { + Base.call(this, runner, options); + + var indents = 2; + + function indent() { + return Array(indents).join(' '); + } + + runner.on(EVENT_SUITE_BEGIN, function(suite) { + if (suite.root) { + return; + } + ++indents; + Base.consoleLog('%s
', indent()); + ++indents; + Base.consoleLog('%s

%s

', indent(), utils.escape(suite.title)); + Base.consoleLog('%s
', indent()); + }); + + runner.on(EVENT_SUITE_END, function(suite) { + if (suite.root) { + return; + } + Base.consoleLog('%s
', indent()); + --indents; + Base.consoleLog('%s
', indent()); + --indents; + }); + + runner.on(EVENT_TEST_PASS, function(test) { + Base.consoleLog('%s
%s
', indent(), utils.escape(test.title)); + var code = utils.escape(utils.clean(test.body)); + Base.consoleLog('%s 
%s
', indent(), code); + }); + + runner.on(EVENT_TEST_FAIL, function(test, err) { + Base.consoleLog( + '%s
%s
', + indent(), + utils.escape(test.title) + ); + var code = utils.escape(utils.clean(test.body)); + Base.consoleLog( + '%s 
%s
', + indent(), + code + ); + Base.consoleLog( + '%s
%s
', + indent(), + utils.escape(err) + ); + }); +} + +Doc.description = 'HTML documentation'; + +},{"../runner":34,"../utils":38,"./base":17}],19:[function(require,module,exports){ +(function (process){ +'use strict'; +/** + * @module Dot + */ +/** + * Module dependencies. + */ + +var Base = require('./base'); +var inherits = require('../utils').inherits; +var constants = require('../runner').constants; +var EVENT_TEST_PASS = constants.EVENT_TEST_PASS; +var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL; +var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN; +var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING; +var EVENT_RUN_END = constants.EVENT_RUN_END; + +/** + * Expose `Dot`. + */ + +exports = module.exports = Dot; + +/** + * Constructs a new `Dot` reporter instance. + * + * @public + * @class + * @memberof Mocha.reporters + * @extends Mocha.reporters.Base + * @param {Runner} runner - Instance triggers reporter actions. + * @param {Object} [options] - runner options + */ +function Dot(runner, options) { + Base.call(this, runner, options); + + var self = this; + var width = (Base.window.width * 0.75) | 0; + var n = -1; + + runner.on(EVENT_RUN_BEGIN, function() { + process.stdout.write('\n'); + }); + + runner.on(EVENT_TEST_PENDING, function() { + if (++n % width === 0) { + process.stdout.write('\n '); + } + process.stdout.write(Base.color('pending', Base.symbols.comma)); + }); + + runner.on(EVENT_TEST_PASS, function(test) { + if (++n % width === 0) { + process.stdout.write('\n '); + } + if (test.speed === 'slow') { + process.stdout.write(Base.color('bright yellow', Base.symbols.dot)); + } else { + process.stdout.write(Base.color(test.speed, Base.symbols.dot)); + } + }); + + runner.on(EVENT_TEST_FAIL, function() { + if (++n % width === 0) { + process.stdout.write('\n '); + } + process.stdout.write(Base.color('fail', Base.symbols.bang)); + }); + + runner.once(EVENT_RUN_END, function() { + process.stdout.write('\n'); + self.epilogue(); + }); +} + +/** + * Inherit from `Base.prototype`. + */ +inherits(Dot, Base); + +Dot.description = 'dot matrix representation'; + +}).call(this,require('_process')) +},{"../runner":34,"../utils":38,"./base":17,"_process":69}],20:[function(require,module,exports){ +(function (global){ +'use strict'; + +/* eslint-env browser */ +/** + * @module HTML + */ +/** + * Module dependencies. + */ + +var Base = require('./base'); +var utils = require('../utils'); +var Progress = require('../browser/progress'); +var escapeRe = require('escape-string-regexp'); +var constants = require('../runner').constants; +var EVENT_TEST_PASS = constants.EVENT_TEST_PASS; +var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL; +var EVENT_SUITE_BEGIN = constants.EVENT_SUITE_BEGIN; +var EVENT_SUITE_END = constants.EVENT_SUITE_END; +var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING; +var escape = utils.escape; + +/** + * Save timer references to avoid Sinon interfering (see GH-237). + */ + +var Date = global.Date; + +/** + * Expose `HTML`. + */ + +exports = module.exports = HTML; + +/** + * Stats template. + */ + +var statsTemplate = + ''; + +var playIcon = '‣'; + +/** + * Constructs a new `HTML` reporter instance. + * + * @public + * @class + * @memberof Mocha.reporters + * @extends Mocha.reporters.Base + * @param {Runner} runner - Instance triggers reporter actions. + * @param {Object} [options] - runner options + */ +function HTML(runner, options) { + Base.call(this, runner, options); + + var self = this; + var stats = this.stats; + var stat = fragment(statsTemplate); + var items = stat.getElementsByTagName('li'); + var passes = items[1].getElementsByTagName('em')[0]; + var passesLink = items[1].getElementsByTagName('a')[0]; + var failures = items[2].getElementsByTagName('em')[0]; + var failuresLink = items[2].getElementsByTagName('a')[0]; + var duration = items[3].getElementsByTagName('em')[0]; + var canvas = stat.getElementsByTagName('canvas')[0]; + var report = fragment('
    '); + var stack = [report]; + var progress; + var ctx; + var root = document.getElementById('mocha'); + + if (canvas.getContext) { + var ratio = window.devicePixelRatio || 1; + canvas.style.width = canvas.width; + canvas.style.height = canvas.height; + canvas.width *= ratio; + canvas.height *= ratio; + ctx = canvas.getContext('2d'); + ctx.scale(ratio, ratio); + progress = new Progress(); + } + + if (!root) { + return error('#mocha div missing, add it to your document'); + } + + // pass toggle + on(passesLink, 'click', function(evt) { + evt.preventDefault(); + unhide(); + var name = /pass/.test(report.className) ? '' : ' pass'; + report.className = report.className.replace(/fail|pass/g, '') + name; + if (report.className.trim()) { + hideSuitesWithout('test pass'); + } + }); + + // failure toggle + on(failuresLink, 'click', function(evt) { + evt.preventDefault(); + unhide(); + var name = /fail/.test(report.className) ? '' : ' fail'; + report.className = report.className.replace(/fail|pass/g, '') + name; + if (report.className.trim()) { + hideSuitesWithout('test fail'); + } + }); + + root.appendChild(stat); + root.appendChild(report); + + if (progress) { + progress.size(40); + } + + runner.on(EVENT_SUITE_BEGIN, function(suite) { + if (suite.root) { + return; + } + + // suite + var url = self.suiteURL(suite); + var el = fragment( + '

  • %s

    • ', + url, + escape(suite.title) + ); + + // container + stack[0].appendChild(el); + stack.unshift(document.createElement('ul')); + el.appendChild(stack[0]); + }); + + runner.on(EVENT_SUITE_END, function(suite) { + if (suite.root) { + updateStats(); + return; + } + stack.shift(); + }); + + runner.on(EVENT_TEST_PASS, function(test) { + var url = self.testURL(test); + var markup = + '

  • %e%ems ' + + '' + + playIcon + + '

    • '; + var el = fragment(markup, test.speed, test.title, test.duration, url); + self.addCodeToggle(el, test.body); + appendToStack(el); + updateStats(); + }); + + runner.on(EVENT_TEST_FAIL, function(test) { + var el = fragment( + '

  • %e ' + + playIcon + + '

    • ', + test.title, + self.testURL(test) + ); + var stackString; // Note: Includes leading newline + var message = test.err.toString(); + + // <=IE7 stringifies to [Object Error]. Since it can be overloaded, we + // check for the result of the stringifying. + if (message === '[object Error]') { + message = test.err.message; + } + + if (test.err.stack) { + var indexOfMessage = test.err.stack.indexOf(test.err.message); + if (indexOfMessage === -1) { + stackString = test.err.stack; + } else { + stackString = test.err.stack.substr( + test.err.message.length + indexOfMessage + ); + } + } else if (test.err.sourceURL && test.err.line !== undefined) { + // Safari doesn't give you a stack. Let's at least provide a source line. + stackString = '\n(' + test.err.sourceURL + ':' + test.err.line + ')'; + } + + stackString = stackString || ''; + + if (test.err.htmlMessage && stackString) { + el.appendChild( + fragment( + '
    %s\n
    %e
    ', + test.err.htmlMessage, + stackString + ) + ); + } else if (test.err.htmlMessage) { + el.appendChild( + fragment('
    %s
    ', test.err.htmlMessage) + ); + } else { + el.appendChild( + fragment('
    %e%e
    ', message, stackString) + ); + } + + self.addCodeToggle(el, test.body); + appendToStack(el); + updateStats(); + }); + + runner.on(EVENT_TEST_PENDING, function(test) { + var el = fragment( + '

  • %e

    • ', + test.title + ); + appendToStack(el); + updateStats(); + }); + + function appendToStack(el) { + // Don't call .appendChild if #mocha-report was already .shift()'ed off the stack. + if (stack[0]) { + stack[0].appendChild(el); + } + } + + function updateStats() { + // TODO: add to stats + var percent = ((stats.tests / runner.total) * 100) | 0; + if (progress) { + progress.update(percent).draw(ctx); + } + + // update stats + var ms = new Date() - stats.start; + text(passes, stats.passes); + text(failures, stats.failures); + text(duration, (ms / 1000).toFixed(2)); + } +} + +/** + * Makes a URL, preserving querystring ("search") parameters. + * + * @param {string} s + * @return {string} A new URL. + */ +function makeUrl(s) { + var search = window.location.search; + + // Remove previous grep query parameter if present + if (search) { + search = search.replace(/[?&]grep=[^&\s]*/g, '').replace(/^&/, '?'); + } + + return ( + window.location.pathname + + (search ? search + '&' : '?') + + 'grep=' + + encodeURIComponent(escapeRe(s)) + ); +} + +/** + * Provide suite URL. + * + * @param {Object} [suite] + */ +HTML.prototype.suiteURL = function(suite) { + return makeUrl(suite.fullTitle()); +}; + +/** + * Provide test URL. + * + * @param {Object} [test] + */ +HTML.prototype.testURL = function(test) { + return makeUrl(test.fullTitle()); +}; + +/** + * Adds code toggle functionality for the provided test's list element. + * + * @param {HTMLLIElement} el + * @param {string} contents + */ +HTML.prototype.addCodeToggle = function(el, contents) { + var h2 = el.getElementsByTagName('h2')[0]; + + on(h2, 'click', function() { + pre.style.display = pre.style.display === 'none' ? 'block' : 'none'; + }); + + var pre = fragment('
    %e
    ', utils.clean(contents)); + el.appendChild(pre); + pre.style.display = 'none'; +}; + +/** + * Display error `msg`. + * + * @param {string} msg + */ +function error(msg) { + document.body.appendChild(fragment('
    %s
    ', msg)); +} + +/** + * Return a DOM fragment from `html`. + * + * @param {string} html + */ +function fragment(html) { + var args = arguments; + var div = document.createElement('div'); + var i = 1; + + div.innerHTML = html.replace(/%([se])/g, function(_, type) { + switch (type) { + case 's': + return String(args[i++]); + case 'e': + return escape(args[i++]); + // no default + } + }); + + return div.firstChild; +} + +/** + * Check for suites that do not have elements + * with `classname`, and hide them. + * + * @param {text} classname + */ +function hideSuitesWithout(classname) { + var suites = document.getElementsByClassName('suite'); + for (var i = 0; i < suites.length; i++) { + var els = suites[i].getElementsByClassName(classname); + if (!els.length) { + suites[i].className += ' hidden'; + } + } +} + +/** + * Unhide .hidden suites. + */ +function unhide() { + var els = document.getElementsByClassName('suite hidden'); + for (var i = 0; i < els.length; ++i) { + els[i].className = els[i].className.replace('suite hidden', 'suite'); + } +} + +/** + * Set an element's text contents. + * + * @param {HTMLElement} el + * @param {string} contents + */ +function text(el, contents) { + if (el.textContent) { + el.textContent = contents; + } else { + el.innerText = contents; + } +} + +/** + * Listen on `event` with callback `fn`. + */ +function on(el, event, fn) { + if (el.addEventListener) { + el.addEventListener(event, fn, false); + } else { + el.attachEvent('on' + event, fn); + } +} + +HTML.browserOnly = true; + +}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) +},{"../browser/progress":3,"../runner":34,"../utils":38,"./base":17,"escape-string-regexp":49}],21:[function(require,module,exports){ +'use strict'; + +// Alias exports to a their normalized format Mocha#reporter to prevent a need +// for dynamic (try/catch) requires, which Browserify doesn't handle. +exports.Base = exports.base = require('./base'); +exports.Dot = exports.dot = require('./dot'); +exports.Doc = exports.doc = require('./doc'); +exports.TAP = exports.tap = require('./tap'); +exports.JSON = exports.json = require('./json'); +exports.HTML = exports.html = require('./html'); +exports.List = exports.list = require('./list'); +exports.Min = exports.min = require('./min'); +exports.Spec = exports.spec = require('./spec'); +exports.Nyan = exports.nyan = require('./nyan'); +exports.XUnit = exports.xunit = require('./xunit'); +exports.Markdown = exports.markdown = require('./markdown'); +exports.Progress = exports.progress = require('./progress'); +exports.Landing = exports.landing = require('./landing'); +exports.JSONStream = exports['json-stream'] = require('./json-stream'); + +},{"./base":17,"./doc":18,"./dot":19,"./html":20,"./json":23,"./json-stream":22,"./landing":24,"./list":25,"./markdown":26,"./min":27,"./nyan":28,"./progress":29,"./spec":30,"./tap":31,"./xunit":32}],22:[function(require,module,exports){ +(function (process){ +'use strict'; +/** + * @module JSONStream + */ +/** + * Module dependencies. + */ + +var Base = require('./base'); +var constants = require('../runner').constants; +var EVENT_TEST_PASS = constants.EVENT_TEST_PASS; +var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL; +var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN; +var EVENT_RUN_END = constants.EVENT_RUN_END; + +/** + * Expose `JSONStream`. + */ + +exports = module.exports = JSONStream; + +/** + * Constructs a new `JSONStream` reporter instance. + * + * @public + * @class + * @memberof Mocha.reporters + * @extends Mocha.reporters.Base + * @param {Runner} runner - Instance triggers reporter actions. + * @param {Object} [options] - runner options + */ +function JSONStream(runner, options) { + Base.call(this, runner, options); + + var self = this; + var total = runner.total; + + runner.once(EVENT_RUN_BEGIN, function() { + writeEvent(['start', {total: total}]); + }); + + runner.on(EVENT_TEST_PASS, function(test) { + writeEvent(['pass', clean(test)]); + }); + + runner.on(EVENT_TEST_FAIL, function(test, err) { + test = clean(test); + test.err = err.message; + test.stack = err.stack || null; + writeEvent(['fail', test]); + }); + + runner.once(EVENT_RUN_END, function() { + writeEvent(['end', self.stats]); + }); +} + +/** + * Mocha event to be written to the output stream. + * @typedef {Array} JSONStream~MochaEvent + */ + +/** + * Writes Mocha event to reporter output stream. + * + * @private + * @param {JSONStream~MochaEvent} event - Mocha event to be output. + */ +function writeEvent(event) { + process.stdout.write(JSON.stringify(event) + '\n'); +} + +/** + * Returns an object literal representation of `test` + * free of cyclic properties, etc. + * + * @private + * @param {Test} test - Instance used as data source. + * @return {Object} object containing pared-down test instance data + */ +function clean(test) { + return { + title: test.title, + fullTitle: test.fullTitle(), + duration: test.duration, + currentRetry: test.currentRetry() + }; +} + +JSONStream.description = 'newline delimited JSON events'; + +}).call(this,require('_process')) +},{"../runner":34,"./base":17,"_process":69}],23:[function(require,module,exports){ +(function (process){ +'use strict'; +/** + * @module JSON + */ +/** + * Module dependencies. + */ + +var Base = require('./base'); +var constants = require('../runner').constants; +var EVENT_TEST_PASS = constants.EVENT_TEST_PASS; +var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL; +var EVENT_TEST_END = constants.EVENT_TEST_END; +var EVENT_RUN_END = constants.EVENT_RUN_END; +var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING; + +/** + * Expose `JSON`. + */ + +exports = module.exports = JSONReporter; + +/** + * Constructs a new `JSON` reporter instance. + * + * @public + * @class JSON + * @memberof Mocha.reporters + * @extends Mocha.reporters.Base + * @param {Runner} runner - Instance triggers reporter actions. + * @param {Object} [options] - runner options + */ +function JSONReporter(runner, options) { + Base.call(this, runner, options); + + var self = this; + var tests = []; + var pending = []; + var failures = []; + var passes = []; + + runner.on(EVENT_TEST_END, function(test) { + tests.push(test); + }); + + runner.on(EVENT_TEST_PASS, function(test) { + passes.push(test); + }); + + runner.on(EVENT_TEST_FAIL, function(test) { + failures.push(test); + }); + + runner.on(EVENT_TEST_PENDING, function(test) { + pending.push(test); + }); + + runner.once(EVENT_RUN_END, function() { + var obj = { + stats: self.stats, + tests: tests.map(clean), + pending: pending.map(clean), + failures: failures.map(clean), + passes: passes.map(clean) + }; + + runner.testResults = obj; + + process.stdout.write(JSON.stringify(obj, null, 2)); + }); +} + +/** + * Return a plain-object representation of `test` + * free of cyclic properties etc. + * + * @private + * @param {Object} test + * @return {Object} + */ +function clean(test) { + var err = test.err || {}; + if (err instanceof Error) { + err = errorJSON(err); + } + + return { + title: test.title, + fullTitle: test.fullTitle(), + duration: test.duration, + currentRetry: test.currentRetry(), + err: cleanCycles(err) + }; +} + +/** + * Replaces any circular references inside `obj` with '[object Object]' + * + * @private + * @param {Object} obj + * @return {Object} + */ +function cleanCycles(obj) { + var cache = []; + return JSON.parse( + JSON.stringify(obj, function(key, value) { + if (typeof value === 'object' && value !== null) { + if (cache.indexOf(value) !== -1) { + // Instead of going in a circle, we'll print [object Object] + return '' + value; + } + cache.push(value); + } + + return value; + }) + ); +} + +/** + * Transform an Error object into a JSON object. + * + * @private + * @param {Error} err + * @return {Object} + */ +function errorJSON(err) { + var res = {}; + Object.getOwnPropertyNames(err).forEach(function(key) { + res[key] = err[key]; + }, err); + return res; +} + +JSONReporter.description = 'single JSON object'; + +}).call(this,require('_process')) +},{"../runner":34,"./base":17,"_process":69}],24:[function(require,module,exports){ +(function (process){ +'use strict'; +/** + * @module Landing + */ +/** + * Module dependencies. + */ + +var Base = require('./base'); +var inherits = require('../utils').inherits; +var constants = require('../runner').constants; +var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN; +var EVENT_RUN_END = constants.EVENT_RUN_END; +var EVENT_TEST_END = constants.EVENT_TEST_END; +var STATE_FAILED = require('../runnable').constants.STATE_FAILED; + +var cursor = Base.cursor; +var color = Base.color; + +/** + * Expose `Landing`. + */ + +exports = module.exports = Landing; + +/** + * Airplane color. + */ + +Base.colors.plane = 0; + +/** + * Airplane crash color. + */ + +Base.colors['plane crash'] = 31; + +/** + * Runway color. + */ + +Base.colors.runway = 90; + +/** + * Constructs a new `Landing` reporter instance. + * + * @public + * @class + * @memberof Mocha.reporters + * @extends Mocha.reporters.Base + * @param {Runner} runner - Instance triggers reporter actions. + * @param {Object} [options] - runner options + */ +function Landing(runner, options) { + Base.call(this, runner, options); + + var self = this; + var width = (Base.window.width * 0.75) | 0; + var total = runner.total; + var stream = process.stdout; + var plane = color('plane', '✈'); + var crashed = -1; + var n = 0; + + function runway() { + var buf = Array(width).join('-'); + return ' ' + color('runway', buf); + } + + runner.on(EVENT_RUN_BEGIN, function() { + stream.write('\n\n\n '); + cursor.hide(); + }); + + runner.on(EVENT_TEST_END, function(test) { + // check if the plane crashed + var col = crashed === -1 ? ((width * ++n) / total) | 0 : crashed; + + // show the crash + if (test.state === STATE_FAILED) { + plane = color('plane crash', '✈'); + crashed = col; + } + + // render landing strip + stream.write('\u001b[' + (width + 1) + 'D\u001b[2A'); + stream.write(runway()); + stream.write('\n '); + stream.write(color('runway', Array(col).join('⋅'))); + stream.write(plane); + stream.write(color('runway', Array(width - col).join('⋅') + '\n')); + stream.write(runway()); + stream.write('\u001b[0m'); + }); + + runner.once(EVENT_RUN_END, function() { + cursor.show(); + process.stdout.write('\n'); + self.epilogue(); + }); +} + +/** + * Inherit from `Base.prototype`. + */ +inherits(Landing, Base); + +Landing.description = 'Unicode landing strip'; + +}).call(this,require('_process')) +},{"../runnable":33,"../runner":34,"../utils":38,"./base":17,"_process":69}],25:[function(require,module,exports){ +(function (process){ +'use strict'; +/** + * @module List + */ +/** + * Module dependencies. + */ + +var Base = require('./base'); +var inherits = require('../utils').inherits; +var constants = require('../runner').constants; +var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN; +var EVENT_RUN_END = constants.EVENT_RUN_END; +var EVENT_TEST_BEGIN = constants.EVENT_TEST_BEGIN; +var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL; +var EVENT_TEST_PASS = constants.EVENT_TEST_PASS; +var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING; +var color = Base.color; +var cursor = Base.cursor; + +/** + * Expose `List`. + */ + +exports = module.exports = List; + +/** + * Constructs a new `List` reporter instance. + * + * @public + * @class + * @memberof Mocha.reporters + * @extends Mocha.reporters.Base + * @param {Runner} runner - Instance triggers reporter actions. + * @param {Object} [options] - runner options + */ +function List(runner, options) { + Base.call(this, runner, options); + + var self = this; + var n = 0; + + runner.on(EVENT_RUN_BEGIN, function() { + Base.consoleLog(); + }); + + runner.on(EVENT_TEST_BEGIN, function(test) { + process.stdout.write(color('pass', ' ' + test.fullTitle() + ': ')); + }); + + runner.on(EVENT_TEST_PENDING, function(test) { + var fmt = color('checkmark', ' -') + color('pending', ' %s'); + Base.consoleLog(fmt, test.fullTitle()); + }); + + runner.on(EVENT_TEST_PASS, function(test) { + var fmt = + color('checkmark', ' ' + Base.symbols.ok) + + color('pass', ' %s: ') + + color(test.speed, '%dms'); + cursor.CR(); + Base.consoleLog(fmt, test.fullTitle(), test.duration); + }); + + runner.on(EVENT_TEST_FAIL, function(test) { + cursor.CR(); + Base.consoleLog(color('fail', ' %d) %s'), ++n, test.fullTitle()); + }); + + runner.once(EVENT_RUN_END, self.epilogue.bind(self)); +} + +/** + * Inherit from `Base.prototype`. + */ +inherits(List, Base); + +List.description = 'like "spec" reporter but flat'; + +}).call(this,require('_process')) +},{"../runner":34,"../utils":38,"./base":17,"_process":69}],26:[function(require,module,exports){ +(function (process){ +'use strict'; +/** + * @module Markdown + */ +/** + * Module dependencies. + */ + +var Base = require('./base'); +var utils = require('../utils'); +var constants = require('../runner').constants; +var EVENT_RUN_END = constants.EVENT_RUN_END; +var EVENT_SUITE_BEGIN = constants.EVENT_SUITE_BEGIN; +var EVENT_SUITE_END = constants.EVENT_SUITE_END; +var EVENT_TEST_PASS = constants.EVENT_TEST_PASS; + +/** + * Constants + */ + +var SUITE_PREFIX = '$'; + +/** + * Expose `Markdown`. + */ + +exports = module.exports = Markdown; + +/** + * Constructs a new `Markdown` reporter instance. + * + * @public + * @class + * @memberof Mocha.reporters + * @extends Mocha.reporters.Base + * @param {Runner} runner - Instance triggers reporter actions. + * @param {Object} [options] - runner options + */ +function Markdown(runner, options) { + Base.call(this, runner, options); + + var level = 0; + var buf = ''; + + function title(str) { + return Array(level).join('#') + ' ' + str; + } + + function mapTOC(suite, obj) { + var ret = obj; + var key = SUITE_PREFIX + suite.title; + + obj = obj[key] = obj[key] || {suite: suite}; + suite.suites.forEach(function(suite) { + mapTOC(suite, obj); + }); + + return ret; + } + + function stringifyTOC(obj, level) { + ++level; + var buf = ''; + var link; + for (var key in obj) { + if (key === 'suite') { + continue; + } + if (key !== SUITE_PREFIX) { + link = ' - [' + key.substring(1) + ']'; + link += '(#' + utils.slug(obj[key].suite.fullTitle()) + ')\n'; + buf += Array(level).join(' ') + link; + } + buf += stringifyTOC(obj[key], level); + } + return buf; + } + + function generateTOC(suite) { + var obj = mapTOC(suite, {}); + return stringifyTOC(obj, 0); + } + + generateTOC(runner.suite); + + runner.on(EVENT_SUITE_BEGIN, function(suite) { + ++level; + var slug = utils.slug(suite.fullTitle()); + buf += '' + '\n'; + buf += title(suite.title) + '\n'; + }); + + runner.on(EVENT_SUITE_END, function() { + --level; + }); + + runner.on(EVENT_TEST_PASS, function(test) { + var code = utils.clean(test.body); + buf += test.title + '.\n'; + buf += '\n```js\n'; + buf += code + '\n'; + buf += '```\n\n'; + }); + + runner.once(EVENT_RUN_END, function() { + process.stdout.write('# TOC\n'); + process.stdout.write(generateTOC(runner.suite)); + process.stdout.write(buf); + }); +} + +Markdown.description = 'GitHub Flavored Markdown'; + +}).call(this,require('_process')) +},{"../runner":34,"../utils":38,"./base":17,"_process":69}],27:[function(require,module,exports){ +(function (process){ +'use strict'; +/** + * @module Min + */ +/** + * Module dependencies. + */ + +var Base = require('./base'); +var inherits = require('../utils').inherits; +var constants = require('../runner').constants; +var EVENT_RUN_END = constants.EVENT_RUN_END; +var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN; + +/** + * Expose `Min`. + */ + +exports = module.exports = Min; + +/** + * Constructs a new `Min` reporter instance. + * + * @description + * This minimal test reporter is best used with '--watch'. + * + * @public + * @class + * @memberof Mocha.reporters + * @extends Mocha.reporters.Base + * @param {Runner} runner - Instance triggers reporter actions. + * @param {Object} [options] - runner options + */ +function Min(runner, options) { + Base.call(this, runner, options); + + runner.on(EVENT_RUN_BEGIN, function() { + // clear screen + process.stdout.write('\u001b[2J'); + // set cursor position + process.stdout.write('\u001b[1;3H'); + }); + + runner.once(EVENT_RUN_END, this.epilogue.bind(this)); +} + +/** + * Inherit from `Base.prototype`. + */ +inherits(Min, Base); + +Min.description = 'essentially just a summary'; + +}).call(this,require('_process')) +},{"../runner":34,"../utils":38,"./base":17,"_process":69}],28:[function(require,module,exports){ +(function (process){ +'use strict'; +/** + * @module Nyan + */ +/** + * Module dependencies. + */ + +var Base = require('./base'); +var constants = require('../runner').constants; +var inherits = require('../utils').inherits; +var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN; +var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING; +var EVENT_TEST_PASS = constants.EVENT_TEST_PASS; +var EVENT_RUN_END = constants.EVENT_RUN_END; +var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL; + +/** + * Expose `Dot`. + */ + +exports = module.exports = NyanCat; + +/** + * Constructs a new `Nyan` reporter instance. + * + * @public + * @class Nyan + * @memberof Mocha.reporters + * @extends Mocha.reporters.Base + * @param {Runner} runner - Instance triggers reporter actions. + * @param {Object} [options] - runner options + */ +function NyanCat(runner, options) { + Base.call(this, runner, options); + + var self = this; + var width = (Base.window.width * 0.75) | 0; + var nyanCatWidth = (this.nyanCatWidth = 11); + + this.colorIndex = 0; + this.numberOfLines = 4; + this.rainbowColors = self.generateColors(); + this.scoreboardWidth = 5; + this.tick = 0; + this.trajectories = [[], [], [], []]; + this.trajectoryWidthMax = width - nyanCatWidth; + + runner.on(EVENT_RUN_BEGIN, function() { + Base.cursor.hide(); + self.draw(); + }); + + runner.on(EVENT_TEST_PENDING, function() { + self.draw(); + }); + + runner.on(EVENT_TEST_PASS, function() { + self.draw(); + }); + + runner.on(EVENT_TEST_FAIL, function() { + self.draw(); + }); + + runner.once(EVENT_RUN_END, function() { + Base.cursor.show(); + for (var i = 0; i < self.numberOfLines; i++) { + write('\n'); + } + self.epilogue(); + }); +} + +/** + * Inherit from `Base.prototype`. + */ +inherits(NyanCat, Base); + +/** + * Draw the nyan cat + * + * @private + */ + +NyanCat.prototype.draw = function() { + this.appendRainbow(); + this.drawScoreboard(); + this.drawRainbow(); + this.drawNyanCat(); + this.tick = !this.tick; +}; + +/** + * Draw the "scoreboard" showing the number + * of passes, failures and pending tests. + * + * @private + */ + +NyanCat.prototype.drawScoreboard = function() { + var stats = this.stats; + + function draw(type, n) { + write(' '); + write(Base.color(type, n)); + write('\n'); + } + + draw('green', stats.passes); + draw('fail', stats.failures); + draw('pending', stats.pending); + write('\n'); + + this.cursorUp(this.numberOfLines); +}; + +/** + * Append the rainbow. + * + * @private + */ + +NyanCat.prototype.appendRainbow = function() { + var segment = this.tick ? '_' : '-'; + var rainbowified = this.rainbowify(segment); + + for (var index = 0; index < this.numberOfLines; index++) { + var trajectory = this.trajectories[index]; + if (trajectory.length >= this.trajectoryWidthMax) { + trajectory.shift(); + } + trajectory.push(rainbowified); + } +}; + +/** + * Draw the rainbow. + * + * @private + */ + +NyanCat.prototype.drawRainbow = function() { + var self = this; + + this.trajectories.forEach(function(line) { + write('\u001b[' + self.scoreboardWidth + 'C'); + write(line.join('')); + write('\n'); + }); + + this.cursorUp(this.numberOfLines); +}; + +/** + * Draw the nyan cat + * + * @private + */ +NyanCat.prototype.drawNyanCat = function() { + var self = this; + var startWidth = this.scoreboardWidth + this.trajectories[0].length; + var dist = '\u001b[' + startWidth + 'C'; + var padding = ''; + + write(dist); + write('_,------,'); + write('\n'); + + write(dist); + padding = self.tick ? ' ' : ' '; + write('_|' + padding + '/\\_/\\ '); + write('\n'); + + write(dist); + padding = self.tick ? '_' : '__'; + var tail = self.tick ? '~' : '^'; + write(tail + '|' + padding + this.face() + ' '); + write('\n'); + + write(dist); + padding = self.tick ? ' ' : ' '; + write(padding + '"" "" '); + write('\n'); + + this.cursorUp(this.numberOfLines); +}; + +/** + * Draw nyan cat face. + * + * @private + * @return {string} + */ + +NyanCat.prototype.face = function() { + var stats = this.stats; + if (stats.failures) { + return '( x .x)'; + } else if (stats.pending) { + return '( o .o)'; + } else if (stats.passes) { + return '( ^ .^)'; + } + return '( - .-)'; +}; + +/** + * Move cursor up `n`. + * + * @private + * @param {number} n + */ + +NyanCat.prototype.cursorUp = function(n) { + write('\u001b[' + n + 'A'); +}; + +/** + * Move cursor down `n`. + * + * @private + * @param {number} n + */ + +NyanCat.prototype.cursorDown = function(n) { + write('\u001b[' + n + 'B'); +}; + +/** + * Generate rainbow colors. + * + * @private + * @return {Array} + */ +NyanCat.prototype.generateColors = function() { + var colors = []; + + for (var i = 0; i < 6 * 7; i++) { + var pi3 = Math.floor(Math.PI / 3); + var n = i * (1.0 / 6); + var r = Math.floor(3 * Math.sin(n) + 3); + var g = Math.floor(3 * Math.sin(n + 2 * pi3) + 3); + var b = Math.floor(3 * Math.sin(n + 4 * pi3) + 3); + colors.push(36 * r + 6 * g + b + 16); + } + + return colors; +}; + +/** + * Apply rainbow to the given `str`. + * + * @private + * @param {string} str + * @return {string} + */ +NyanCat.prototype.rainbowify = function(str) { + if (!Base.useColors) { + return str; + } + var color = this.rainbowColors[this.colorIndex % this.rainbowColors.length]; + this.colorIndex += 1; + return '\u001b[38;5;' + color + 'm' + str + '\u001b[0m'; +}; + +/** + * Stdout helper. + * + * @param {string} string A message to write to stdout. + */ +function write(string) { + process.stdout.write(string); +} + +NyanCat.description = '"nyan cat"'; + +}).call(this,require('_process')) +},{"../runner":34,"../utils":38,"./base":17,"_process":69}],29:[function(require,module,exports){ +(function (process){ +'use strict'; +/** + * @module Progress + */ +/** + * Module dependencies. + */ + +var Base = require('./base'); +var constants = require('../runner').constants; +var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN; +var EVENT_TEST_END = constants.EVENT_TEST_END; +var EVENT_RUN_END = constants.EVENT_RUN_END; +var inherits = require('../utils').inherits; +var color = Base.color; +var cursor = Base.cursor; + +/** + * Expose `Progress`. + */ + +exports = module.exports = Progress; + +/** + * General progress bar color. + */ + +Base.colors.progress = 90; + +/** + * Constructs a new `Progress` reporter instance. + * + * @public + * @class + * @memberof Mocha.reporters + * @extends Mocha.reporters.Base + * @param {Runner} runner - Instance triggers reporter actions. + * @param {Object} [options] - runner options + */ +function Progress(runner, options) { + Base.call(this, runner, options); + + var self = this; + var width = (Base.window.width * 0.5) | 0; + var total = runner.total; + var complete = 0; + var lastN = -1; + + // default chars + options = options || {}; + var reporterOptions = options.reporterOptions || {}; + + options.open = reporterOptions.open || '['; + options.complete = reporterOptions.complete || '▬'; + options.incomplete = reporterOptions.incomplete || Base.symbols.dot; + options.close = reporterOptions.close || ']'; + options.verbose = reporterOptions.verbose || false; + + // tests started + runner.on(EVENT_RUN_BEGIN, function() { + process.stdout.write('\n'); + cursor.hide(); + }); + + // tests complete + runner.on(EVENT_TEST_END, function() { + complete++; + + var percent = complete / total; + var n = (width * percent) | 0; + var i = width - n; + + if (n === lastN && !options.verbose) { + // Don't re-render the line if it hasn't changed + return; + } + lastN = n; + + cursor.CR(); + process.stdout.write('\u001b[J'); + process.stdout.write(color('progress', ' ' + options.open)); + process.stdout.write(Array(n).join(options.complete)); + process.stdout.write(Array(i).join(options.incomplete)); + process.stdout.write(color('progress', options.close)); + if (options.verbose) { + process.stdout.write(color('progress', ' ' + complete + ' of ' + total)); + } + }); + + // tests are complete, output some stats + // and the failures if any + runner.once(EVENT_RUN_END, function() { + cursor.show(); + process.stdout.write('\n'); + self.epilogue(); + }); +} + +/** + * Inherit from `Base.prototype`. + */ +inherits(Progress, Base); + +Progress.description = 'a progress bar'; + +}).call(this,require('_process')) +},{"../runner":34,"../utils":38,"./base":17,"_process":69}],30:[function(require,module,exports){ +'use strict'; +/** + * @module Spec + */ +/** + * Module dependencies. + */ + +var Base = require('./base'); +var constants = require('../runner').constants; +var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN; +var EVENT_RUN_END = constants.EVENT_RUN_END; +var EVENT_SUITE_BEGIN = constants.EVENT_SUITE_BEGIN; +var EVENT_SUITE_END = constants.EVENT_SUITE_END; +var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL; +var EVENT_TEST_PASS = constants.EVENT_TEST_PASS; +var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING; +var inherits = require('../utils').inherits; +var color = Base.color; + +/** + * Expose `Spec`. + */ + +exports = module.exports = Spec; + +/** + * Constructs a new `Spec` reporter instance. + * + * @public + * @class + * @memberof Mocha.reporters + * @extends Mocha.reporters.Base + * @param {Runner} runner - Instance triggers reporter actions. + * @param {Object} [options] - runner options + */ +function Spec(runner, options) { + Base.call(this, runner, options); + + var self = this; + var indents = 0; + var n = 0; + + function indent() { + return Array(indents).join(' '); + } + + runner.on(EVENT_RUN_BEGIN, function() { + Base.consoleLog(); + }); + + runner.on(EVENT_SUITE_BEGIN, function(suite) { + ++indents; + Base.consoleLog(color('suite', '%s%s'), indent(), suite.title); + }); + + runner.on(EVENT_SUITE_END, function() { + --indents; + if (indents === 1) { + Base.consoleLog(); + } + }); + + runner.on(EVENT_TEST_PENDING, function(test) { + var fmt = indent() + color('pending', ' - %s'); + Base.consoleLog(fmt, test.title); + }); + + runner.on(EVENT_TEST_PASS, function(test) { + var fmt; + if (test.speed === 'fast') { + fmt = + indent() + + color('checkmark', ' ' + Base.symbols.ok) + + color('pass', ' %s'); + Base.consoleLog(fmt, test.title); + } else { + fmt = + indent() + + color('checkmark', ' ' + Base.symbols.ok) + + color('pass', ' %s') + + color(test.speed, ' (%dms)'); + Base.consoleLog(fmt, test.title, test.duration); + } + }); + + runner.on(EVENT_TEST_FAIL, function(test) { + Base.consoleLog(indent() + color('fail', ' %d) %s'), ++n, test.title); + }); + + runner.once(EVENT_RUN_END, self.epilogue.bind(self)); +} + +/** + * Inherit from `Base.prototype`. + */ +inherits(Spec, Base); + +Spec.description = 'hierarchical & verbose [default]'; + +},{"../runner":34,"../utils":38,"./base":17}],31:[function(require,module,exports){ +(function (process){ +'use strict'; +/** + * @module TAP + */ +/** + * Module dependencies. + */ + +var util = require('util'); +var Base = require('./base'); +var constants = require('../runner').constants; +var EVENT_TEST_PASS = constants.EVENT_TEST_PASS; +var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL; +var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN; +var EVENT_RUN_END = constants.EVENT_RUN_END; +var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING; +var EVENT_TEST_END = constants.EVENT_TEST_END; +var inherits = require('../utils').inherits; +var sprintf = util.format; + +/** + * Expose `TAP`. + */ + +exports = module.exports = TAP; + +/** + * Constructs a new `TAP` reporter instance. + * + * @public + * @class + * @memberof Mocha.reporters + * @extends Mocha.reporters.Base + * @param {Runner} runner - Instance triggers reporter actions. + * @param {Object} [options] - runner options + */ +function TAP(runner, options) { + Base.call(this, runner, options); + + var self = this; + var n = 1; + + var tapVersion = '12'; + if (options && options.reporterOptions) { + if (options.reporterOptions.tapVersion) { + tapVersion = options.reporterOptions.tapVersion.toString(); + } + } + + this._producer = createProducer(tapVersion); + + runner.once(EVENT_RUN_BEGIN, function() { + var ntests = runner.grepTotal(runner.suite); + self._producer.writeVersion(); + self._producer.writePlan(ntests); + }); + + runner.on(EVENT_TEST_END, function() { + ++n; + }); + + runner.on(EVENT_TEST_PENDING, function(test) { + self._producer.writePending(n, test); + }); + + runner.on(EVENT_TEST_PASS, function(test) { + self._producer.writePass(n, test); + }); + + runner.on(EVENT_TEST_FAIL, function(test, err) { + self._producer.writeFail(n, test, err); + }); + + runner.once(EVENT_RUN_END, function() { + self._producer.writeEpilogue(runner.stats); + }); +} + +/** + * Inherit from `Base.prototype`. + */ +inherits(TAP, Base); + +/** + * Returns a TAP-safe title of `test`. + * + * @private + * @param {Test} test - Test instance. + * @return {String} title with any hash character removed + */ +function title(test) { + return test.fullTitle().replace(/#/g, ''); +} + +/** + * Writes newline-terminated formatted string to reporter output stream. + * + * @private + * @param {string} format - `printf`-like format string + * @param {...*} [varArgs] - Format string arguments + */ +function println(format, varArgs) { + var vargs = Array.from(arguments); + vargs[0] += '\n'; + process.stdout.write(sprintf.apply(null, vargs)); +} + +/** + * Returns a `tapVersion`-appropriate TAP producer instance, if possible. + * + * @private + * @param {string} tapVersion - Version of TAP specification to produce. + * @returns {TAPProducer} specification-appropriate instance + * @throws {Error} if specification version has no associated producer. + */ +function createProducer(tapVersion) { + var producers = { + '12': new TAP12Producer(), + '13': new TAP13Producer() + }; + var producer = producers[tapVersion]; + + if (!producer) { + throw new Error( + 'invalid or unsupported TAP version: ' + JSON.stringify(tapVersion) + ); + } + + return producer; +} + +/** + * @summary + * Constructs a new TAPProducer. + * + * @description + * Only to be used as an abstract base class. + * + * @private + * @constructor + */ +function TAPProducer() {} + +/** + * Writes the TAP version to reporter output stream. + * + * @abstract + */ +TAPProducer.prototype.writeVersion = function() {}; + +/** + * Writes the plan to reporter output stream. + * + * @abstract + * @param {number} ntests - Number of tests that are planned to run. + */ +TAPProducer.prototype.writePlan = function(ntests) { + println('%d..%d', 1, ntests); +}; + +/** + * Writes that test passed to reporter output stream. + * + * @abstract + * @param {number} n - Index of test that passed. + * @param {Test} test - Instance containing test information. + */ +TAPProducer.prototype.writePass = function(n, test) { + println('ok %d %s', n, title(test)); +}; + +/** + * Writes that test was skipped to reporter output stream. + * + * @abstract + * @param {number} n - Index of test that was skipped. + * @param {Test} test - Instance containing test information. + */ +TAPProducer.prototype.writePending = function(n, test) { + println('ok %d %s # SKIP -', n, title(test)); +}; + +/** + * Writes that test failed to reporter output stream. + * + * @abstract + * @param {number} n - Index of test that failed. + * @param {Test} test - Instance containing test information. + * @param {Error} err - Reason the test failed. + */ +TAPProducer.prototype.writeFail = function(n, test, err) { + println('not ok %d %s', n, title(test)); +}; + +/** + * Writes the summary epilogue to reporter output stream. + * + * @abstract + * @param {Object} stats - Object containing run statistics. + */ +TAPProducer.prototype.writeEpilogue = function(stats) { + // :TBD: Why is this not counting pending tests? + println('# tests ' + (stats.passes + stats.failures)); + println('# pass ' + stats.passes); + // :TBD: Why are we not showing pending results? + println('# fail ' + stats.failures); +}; + +/** + * @summary + * Constructs a new TAP12Producer. + * + * @description + * Produces output conforming to the TAP12 specification. + * + * @private + * @constructor + * @extends TAPProducer + * @see {@link https://testanything.org/tap-specification.html|Specification} + */ +function TAP12Producer() { + /** + * Writes that test failed to reporter output stream, with error formatting. + * @override + */ + this.writeFail = function(n, test, err) { + TAPProducer.prototype.writeFail.call(this, n, test, err); + if (err.message) { + println(err.message.replace(/^/gm, ' ')); + } + if (err.stack) { + println(err.stack.replace(/^/gm, ' ')); + } + }; +} + +/** + * Inherit from `TAPProducer.prototype`. + */ +inherits(TAP12Producer, TAPProducer); + +/** + * @summary + * Constructs a new TAP13Producer. + * + * @description + * Produces output conforming to the TAP13 specification. + * + * @private + * @constructor + * @extends TAPProducer + * @see {@link https://testanything.org/tap-version-13-specification.html|Specification} + */ +function TAP13Producer() { + /** + * Writes the TAP version to reporter output stream. + * @override + */ + this.writeVersion = function() { + println('TAP version 13'); + }; + + /** + * Writes that test failed to reporter output stream, with error formatting. + * @override + */ + this.writeFail = function(n, test, err) { + TAPProducer.prototype.writeFail.call(this, n, test, err); + var emitYamlBlock = err.message != null || err.stack != null; + if (emitYamlBlock) { + println(indent(1) + '---'); + if (err.message) { + println(indent(2) + 'message: |-'); + println(err.message.replace(/^/gm, indent(3))); + } + if (err.stack) { + println(indent(2) + 'stack: |-'); + println(err.stack.replace(/^/gm, indent(3))); + } + println(indent(1) + '...'); + } + }; + + function indent(level) { + return Array(level + 1).join(' '); + } +} + +/** + * Inherit from `TAPProducer.prototype`. + */ +inherits(TAP13Producer, TAPProducer); + +TAP.description = 'TAP-compatible output'; + +}).call(this,require('_process')) +},{"../runner":34,"../utils":38,"./base":17,"_process":69,"util":89}],32:[function(require,module,exports){ +(function (process,global){ +'use strict'; +/** + * @module XUnit + */ +/** + * Module dependencies. + */ + +var Base = require('./base'); +var utils = require('../utils'); +var fs = require('fs'); +var mkdirp = require('mkdirp'); +var path = require('path'); +var errors = require('../errors'); +var createUnsupportedError = errors.createUnsupportedError; +var constants = require('../runner').constants; +var EVENT_TEST_PASS = constants.EVENT_TEST_PASS; +var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL; +var EVENT_RUN_END = constants.EVENT_RUN_END; +var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING; +var STATE_FAILED = require('../runnable').constants.STATE_FAILED; +var inherits = utils.inherits; +var escape = utils.escape; + +/** + * Save timer references to avoid Sinon interfering (see GH-237). + */ +var Date = global.Date; + +/** + * Expose `XUnit`. + */ + +exports = module.exports = XUnit; + +/** + * Constructs a new `XUnit` reporter instance. + * + * @public + * @class + * @memberof Mocha.reporters + * @extends Mocha.reporters.Base + * @param {Runner} runner - Instance triggers reporter actions. + * @param {Object} [options] - runner options + */ +function XUnit(runner, options) { + Base.call(this, runner, options); + + var stats = this.stats; + var tests = []; + var self = this; + + // the name of the test suite, as it will appear in the resulting XML file + var suiteName; + + // the default name of the test suite if none is provided + var DEFAULT_SUITE_NAME = 'Mocha Tests'; + + if (options && options.reporterOptions) { + if (options.reporterOptions.output) { + if (!fs.createWriteStream) { + throw createUnsupportedError('file output not supported in browser'); + } + + mkdirp.sync(path.dirname(options.reporterOptions.output)); + self.fileStream = fs.createWriteStream(options.reporterOptions.output); + } + + // get the suite name from the reporter options (if provided) + suiteName = options.reporterOptions.suiteName; + } + + // fall back to the default suite name + suiteName = suiteName || DEFAULT_SUITE_NAME; + + runner.on(EVENT_TEST_PENDING, function(test) { + tests.push(test); + }); + + runner.on(EVENT_TEST_PASS, function(test) { + tests.push(test); + }); + + runner.on(EVENT_TEST_FAIL, function(test) { + tests.push(test); + }); + + runner.once(EVENT_RUN_END, function() { + self.write( + tag( + 'testsuite', + { + name: suiteName, + tests: stats.tests, + failures: 0, + errors: stats.failures, + skipped: stats.tests - stats.failures - stats.passes, + timestamp: new Date().toUTCString(), + time: stats.duration / 1000 || 0 + }, + false + ) + ); + + tests.forEach(function(t) { + self.test(t); + }); + + self.write(''); + }); +} + +/** + * Inherit from `Base.prototype`. + */ +inherits(XUnit, Base); + +/** + * Override done to close the stream (if it's a file). + * + * @param failures + * @param {Function} fn + */ +XUnit.prototype.done = function(failures, fn) { + if (this.fileStream) { + this.fileStream.end(function() { + fn(failures); + }); + } else { + fn(failures); + } +}; + +/** + * Write out the given line. + * + * @param {string} line + */ +XUnit.prototype.write = function(line) { + if (this.fileStream) { + this.fileStream.write(line + '\n'); + } else if (typeof process === 'object' && process.stdout) { + process.stdout.write(line + '\n'); + } else { + Base.consoleLog(line); + } +}; + +/** + * Output tag for the given `test.` + * + * @param {Test} test + */ +XUnit.prototype.test = function(test) { + Base.useColors = false; + + var attrs = { + classname: test.parent.fullTitle(), + name: test.title, + time: test.duration / 1000 || 0 + }; + + if (test.state === STATE_FAILED) { + var err = test.err; + var diff = + Base.hideDiff || !err.actual || !err.expected + ? '' + : '\n' + Base.generateDiff(err.actual, err.expected); + this.write( + tag( + 'testcase', + attrs, + false, + tag( + 'failure', + {}, + false, + escape(err.message) + escape(diff) + '\n' + escape(err.stack) + ) + ) + ); + } else if (test.isPending()) { + this.write(tag('testcase', attrs, false, tag('skipped', {}, true))); + } else { + this.write(tag('testcase', attrs, true)); + } +}; + +/** + * HTML tag helper. + * + * @param name + * @param attrs + * @param close + * @param content + * @return {string} + */ +function tag(name, attrs, close, content) { + var end = close ? '/>' : '>'; + var pairs = []; + var tag; + + for (var key in attrs) { + if (Object.prototype.hasOwnProperty.call(attrs, key)) { + pairs.push(key + '="' + escape(attrs[key]) + '"'); + } + } + + tag = '<' + name + (pairs.length ? ' ' + pairs.join(' ') : '') + end; + if (content) { + tag += content + '0, 2^31-1]. + * If clamped value matches either range endpoint, timeouts will be disabled. + * + * @private + * @see {@link https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/setTimeout#Maximum_delay_value} + * @param {number|string} ms - Timeout threshold value. + * @returns {Runnable} this + * @chainable + */ +Runnable.prototype.timeout = function(ms) { + if (!arguments.length) { + return this._timeout; + } + if (typeof ms === 'string') { + ms = milliseconds(ms); + } + + // Clamp to range + var INT_MAX = Math.pow(2, 31) - 1; + var range = [0, INT_MAX]; + ms = utils.clamp(ms, range); + + // see #1652 for reasoning + if (ms === range[0] || ms === range[1]) { + this._enableTimeouts = false; + } + debug('timeout %d', ms); + this._timeout = ms; + if (this.timer) { + this.resetTimeout(); + } + return this; +}; + +/** + * Set or get slow `ms`. + * + * @private + * @param {number|string} ms + * @return {Runnable|number} ms or Runnable instance. + */ +Runnable.prototype.slow = function(ms) { + if (!arguments.length || typeof ms === 'undefined') { + return this._slow; + } + if (typeof ms === 'string') { + ms = milliseconds(ms); + } + debug('slow %d', ms); + this._slow = ms; + return this; +}; + +/** + * Set and get whether timeout is `enabled`. + * + * @private + * @param {boolean} enabled + * @return {Runnable|boolean} enabled or Runnable instance. + */ +Runnable.prototype.enableTimeouts = function(enabled) { + if (!arguments.length) { + return this._enableTimeouts; + } + debug('enableTimeouts %s', enabled); + this._enableTimeouts = enabled; + return this; +}; + +/** + * Halt and mark as pending. + * + * @memberof Mocha.Runnable + * @public + */ +Runnable.prototype.skip = function() { + throw new Pending('sync skip'); +}; + +/** + * Check if this runnable or its parent suite is marked as pending. + * + * @private + */ +Runnable.prototype.isPending = function() { + return this.pending || (this.parent && this.parent.isPending()); +}; + +/** + * Return `true` if this Runnable has failed. + * @return {boolean} + * @private + */ +Runnable.prototype.isFailed = function() { + return !this.isPending() && this.state === constants.STATE_FAILED; +}; + +/** + * Return `true` if this Runnable has passed. + * @return {boolean} + * @private + */ +Runnable.prototype.isPassed = function() { + return !this.isPending() && this.state === constants.STATE_PASSED; +}; + +/** + * Set or get number of retries. + * + * @private + */ +Runnable.prototype.retries = function(n) { + if (!arguments.length) { + return this._retries; + } + this._retries = n; +}; + +/** + * Set or get current retry + * + * @private + */ +Runnable.prototype.currentRetry = function(n) { + if (!arguments.length) { + return this._currentRetry; + } + this._currentRetry = n; +}; + +/** + * Return the full title generated by recursively concatenating the parent's + * full title. + * + * @memberof Mocha.Runnable + * @public + * @return {string} + */ +Runnable.prototype.fullTitle = function() { + return this.titlePath().join(' '); +}; + +/** + * Return the title path generated by concatenating the parent's title path with the title. + * + * @memberof Mocha.Runnable + * @public + * @return {string} + */ +Runnable.prototype.titlePath = function() { + return this.parent.titlePath().concat([this.title]); +}; + +/** + * Clear the timeout. + * + * @private + */ +Runnable.prototype.clearTimeout = function() { + clearTimeout(this.timer); +}; + +/** + * Inspect the runnable void of private properties. + * + * @private + * @return {string} + */ +Runnable.prototype.inspect = function() { + return JSON.stringify( + this, + function(key, val) { + if (key[0] === '_') { + return; + } + if (key === 'parent') { + return '#'; + } + if (key === 'ctx') { + return '#'; + } + return val; + }, + 2 + ); +}; + +/** + * Reset the timeout. + * + * @private + */ +Runnable.prototype.resetTimeout = function() { + var self = this; + var ms = this.timeout() || 1e9; + + if (!this._enableTimeouts) { + return; + } + this.clearTimeout(); + this.timer = setTimeout(function() { + if (!self._enableTimeouts) { + return; + } + self.callback(self._timeoutError(ms)); + self.timedOut = true; + }, ms); +}; + +/** + * Set or get a list of whitelisted globals for this test run. + * + * @private + * @param {string[]} globals + */ +Runnable.prototype.globals = function(globals) { + if (!arguments.length) { + return this._allowedGlobals; + } + this._allowedGlobals = globals; +}; + +/** + * Run the test and invoke `fn(err)`. + * + * @param {Function} fn + * @private + */ +Runnable.prototype.run = function(fn) { + var self = this; + var start = new Date(); + var ctx = this.ctx; + var finished; + var emitted; + + // Sometimes the ctx exists, but it is not runnable + if (ctx && ctx.runnable) { + ctx.runnable(this); + } + + // called multiple times + function multiple(err) { + if (emitted) { + return; + } + emitted = true; + var msg = 'done() called multiple times'; + if (err && err.message) { + err.message += " (and Mocha's " + msg + ')'; + self.emit('error', err); + } else { + self.emit('error', new Error(msg)); + } + } + + // finished + function done(err) { + var ms = self.timeout(); + if (self.timedOut) { + return; + } + + if (finished) { + return multiple(err); + } + + self.clearTimeout(); + self.duration = new Date() - start; + finished = true; + if (!err && self.duration > ms && self._enableTimeouts) { + err = self._timeoutError(ms); + } + fn(err); + } + + // for .resetTimeout() + this.callback = done; + + // explicit async with `done` argument + if (this.async) { + this.resetTimeout(); + + // allows skip() to be used in an explicit async context + this.skip = function asyncSkip() { + done(new Pending('async skip call')); + // halt execution. the Runnable will be marked pending + // by the previous call, and the uncaught handler will ignore + // the failure. + throw new Pending('async skip; aborting execution'); + }; + + if (this.allowUncaught) { + return callFnAsync(this.fn); + } + try { + callFnAsync(this.fn); + } catch (err) { + emitted = true; + done(Runnable.toValueOrError(err)); + } + return; + } + + if (this.allowUncaught) { + if (this.isPending()) { + done(); + } else { + callFn(this.fn); + } + return; + } + + // sync or promise-returning + try { + if (this.isPending()) { + done(); + } else { + callFn(this.fn); + } + } catch (err) { + emitted = true; + done(Runnable.toValueOrError(err)); + } + + function callFn(fn) { + var result = fn.call(ctx); + if (result && typeof result.then === 'function') { + self.resetTimeout(); + result.then( + function() { + done(); + // Return null so libraries like bluebird do not warn about + // subsequently constructed Promises. + return null; + }, + function(reason) { + done(reason || new Error('Promise rejected with no or falsy reason')); + } + ); + } else { + if (self.asyncOnly) { + return done( + new Error( + '--async-only option in use without declaring `done()` or returning a promise' + ) + ); + } + + done(); + } + } + + function callFnAsync(fn) { + var result = fn.call(ctx, function(err) { + if (err instanceof Error || toString.call(err) === '[object Error]') { + return done(err); + } + if (err) { + if (Object.prototype.toString.call(err) === '[object Object]') { + return done( + new Error('done() invoked with non-Error: ' + JSON.stringify(err)) + ); + } + return done(new Error('done() invoked with non-Error: ' + err)); + } + if (result && utils.isPromise(result)) { + return done( + new Error( + 'Resolution method is overspecified. Specify a callback *or* return a Promise; not both.' + ) + ); + } + + done(); + }); + } +}; + +/** + * Instantiates a "timeout" error + * + * @param {number} ms - Timeout (in milliseconds) + * @returns {Error} a "timeout" error + * @private + */ +Runnable.prototype._timeoutError = function(ms) { + var msg = + 'Timeout of ' + + ms + + 'ms exceeded. For async tests and hooks, ensure "done()" is called; if returning a Promise, ensure it resolves.'; + if (this.file) { + msg += ' (' + this.file + ')'; + } + return new Error(msg); +}; + +var constants = utils.defineConstants( + /** + * {@link Runnable}-related constants. + * @public + * @memberof Runnable + * @readonly + * @static + * @alias constants + * @enum {string} + */ + { + /** + * Value of `state` prop when a `Runnable` has failed + */ + STATE_FAILED: 'failed', + /** + * Value of `state` prop when a `Runnable` has passed + */ + STATE_PASSED: 'passed' + } +); + +/** + * Given `value`, return identity if truthy, otherwise create an "invalid exception" error and return that. + * @param {*} [value] - Value to return, if present + * @returns {*|Error} `value`, otherwise an `Error` + * @private + */ +Runnable.toValueOrError = function(value) { + return ( + value || + createInvalidExceptionError( + 'Runnable failed with falsy or undefined exception. Please throw an Error instead.', + value + ) + ); +}; + +Runnable.constants = constants; + +}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) +},{"./errors":6,"./pending":16,"./utils":38,"debug":45,"events":50,"ms":60}],34:[function(require,module,exports){ +(function (process,global){ +'use strict'; + +/** + * Module dependencies. + */ +var util = require('util'); +var EventEmitter = require('events').EventEmitter; +var Pending = require('./pending'); +var utils = require('./utils'); +var inherits = utils.inherits; +var debug = require('debug')('mocha:runner'); +var Runnable = require('./runnable'); +var Suite = require('./suite'); +var HOOK_TYPE_BEFORE_EACH = Suite.constants.HOOK_TYPE_BEFORE_EACH; +var HOOK_TYPE_AFTER_EACH = Suite.constants.HOOK_TYPE_AFTER_EACH; +var HOOK_TYPE_AFTER_ALL = Suite.constants.HOOK_TYPE_AFTER_ALL; +var HOOK_TYPE_BEFORE_ALL = Suite.constants.HOOK_TYPE_BEFORE_ALL; +var EVENT_ROOT_SUITE_RUN = Suite.constants.EVENT_ROOT_SUITE_RUN; +var STATE_FAILED = Runnable.constants.STATE_FAILED; +var STATE_PASSED = Runnable.constants.STATE_PASSED; +var dQuote = utils.dQuote; +var ngettext = utils.ngettext; +var sQuote = utils.sQuote; +var stackFilter = utils.stackTraceFilter(); +var stringify = utils.stringify; +var type = utils.type; +var createInvalidExceptionError = require('./errors') + .createInvalidExceptionError; + +/** + * Non-enumerable globals. + * @readonly + */ +var globals = [ + 'setTimeout', + 'clearTimeout', + 'setInterval', + 'clearInterval', + 'XMLHttpRequest', + 'Date', + 'setImmediate', + 'clearImmediate' +]; + +var constants = utils.defineConstants( + /** + * {@link Runner}-related constants. + * @public + * @memberof Runner + * @readonly + * @alias constants + * @static + * @enum {string} + */ + { + /** + * Emitted when {@link Hook} execution begins + */ + EVENT_HOOK_BEGIN: 'hook', + /** + * Emitted when {@link Hook} execution ends + */ + EVENT_HOOK_END: 'hook end', + /** + * Emitted when Root {@link Suite} execution begins (all files have been parsed and hooks/tests are ready for execution) + */ + EVENT_RUN_BEGIN: 'start', + /** + * Emitted when Root {@link Suite} execution has been delayed via `delay` option + */ + EVENT_DELAY_BEGIN: 'waiting', + /** + * Emitted when delayed Root {@link Suite} execution is triggered by user via `global.run()` + */ + EVENT_DELAY_END: 'ready', + /** + * Emitted when Root {@link Suite} execution ends + */ + EVENT_RUN_END: 'end', + /** + * Emitted when {@link Suite} execution begins + */ + EVENT_SUITE_BEGIN: 'suite', + /** + * Emitted when {@link Suite} execution ends + */ + EVENT_SUITE_END: 'suite end', + /** + * Emitted when {@link Test} execution begins + */ + EVENT_TEST_BEGIN: 'test', + /** + * Emitted when {@link Test} execution ends + */ + EVENT_TEST_END: 'test end', + /** + * Emitted when {@link Test} execution fails + */ + EVENT_TEST_FAIL: 'fail', + /** + * Emitted when {@link Test} execution succeeds + */ + EVENT_TEST_PASS: 'pass', + /** + * Emitted when {@link Test} becomes pending + */ + EVENT_TEST_PENDING: 'pending', + /** + * Emitted when {@link Test} execution has failed, but will retry + */ + EVENT_TEST_RETRY: 'retry' + } +); + +module.exports = Runner; + +/** + * Initialize a `Runner` at the Root {@link Suite}, which represents a hierarchy of {@link Suite|Suites} and {@link Test|Tests}. + * + * @extends external:EventEmitter + * @public + * @class + * @param {Suite} suite Root suite + * @param {boolean} [delay] Whether or not to delay execution of root suite + * until ready. + */ +function Runner(suite, delay) { + var self = this; + this._globals = []; + this._abort = false; + this._delay = delay; + this.suite = suite; + this.started = false; + this.total = suite.total(); + this.failures = 0; + this.on(constants.EVENT_TEST_END, function(test) { + self.checkGlobals(test); + }); + this.on(constants.EVENT_HOOK_END, function(hook) { + self.checkGlobals(hook); + }); + this._defaultGrep = /.*/; + this.grep(this._defaultGrep); + this.globals(this.globalProps().concat(extraGlobals())); +} + +/** + * Wrapper for setImmediate, process.nextTick, or browser polyfill. + * + * @param {Function} fn + * @private + */ +Runner.immediately = global.setImmediate || process.nextTick; + +/** + * Inherit from `EventEmitter.prototype`. + */ +inherits(Runner, EventEmitter); + +/** + * Run tests with full titles matching `re`. Updates runner.total + * with number of tests matched. + * + * @public + * @memberof Runner + * @param {RegExp} re + * @param {boolean} invert + * @return {Runner} Runner instance. + */ +Runner.prototype.grep = function(re, invert) { + debug('grep %s', re); + this._grep = re; + this._invert = invert; + this.total = this.grepTotal(this.suite); + return this; +}; + +/** + * Returns the number of tests matching the grep search for the + * given suite. + * + * @memberof Runner + * @public + * @param {Suite} suite + * @return {number} + */ +Runner.prototype.grepTotal = function(suite) { + var self = this; + var total = 0; + + suite.eachTest(function(test) { + var match = self._grep.test(test.fullTitle()); + if (self._invert) { + match = !match; + } + if (match) { + total++; + } + }); + + return total; +}; + +/** + * Return a list of global properties. + * + * @return {Array} + * @private + */ +Runner.prototype.globalProps = function() { + var props = Object.keys(global); + + // non-enumerables + for (var i = 0; i < globals.length; ++i) { + if (~props.indexOf(globals[i])) { + continue; + } + props.push(globals[i]); + } + + return props; +}; + +/** + * Allow the given `arr` of globals. + * + * @public + * @memberof Runner + * @param {Array} arr + * @return {Runner} Runner instance. + */ +Runner.prototype.globals = function(arr) { + if (!arguments.length) { + return this._globals; + } + debug('globals %j', arr); + this._globals = this._globals.concat(arr); + return this; +}; + +/** + * Check for global variable leaks. + * + * @private + */ +Runner.prototype.checkGlobals = function(test) { + if (this.ignoreLeaks) { + return; + } + var ok = this._globals; + + var globals = this.globalProps(); + var leaks; + + if (test) { + ok = ok.concat(test._allowedGlobals || []); + } + + if (this.prevGlobalsLength === globals.length) { + return; + } + this.prevGlobalsLength = globals.length; + + leaks = filterLeaks(ok, globals); + this._globals = this._globals.concat(leaks); + + if (leaks.length) { + var format = ngettext( + leaks.length, + 'global leak detected: %s', + 'global leaks detected: %s' + ); + var error = new Error(util.format(format, leaks.map(sQuote).join(', '))); + this.fail(test, error); + } +}; + +/** + * Fail the given `test`. + * + * @private + * @param {Test} test + * @param {Error} err + */ +Runner.prototype.fail = function(test, err) { + if (test.isPending()) { + return; + } + + ++this.failures; + test.state = STATE_FAILED; + + if (!isError(err)) { + err = thrown2Error(err); + } + + try { + err.stack = + this.fullStackTrace || !err.stack ? err.stack : stackFilter(err.stack); + } catch (ignore) { + // some environments do not take kindly to monkeying with the stack + } + + this.emit(constants.EVENT_TEST_FAIL, test, err); +}; + +/** + * Fail the given `hook` with `err`. + * + * Hook failures work in the following pattern: + * - If bail, run corresponding `after each` and `after` hooks, + * then exit + * - Failed `before` hook skips all tests in a suite and subsuites, + * but jumps to corresponding `after` hook + * - Failed `before each` hook skips remaining tests in a + * suite and jumps to corresponding `after each` hook, + * which is run only once + * - Failed `after` hook does not alter + * execution order + * - Failed `after each` hook skips remaining tests in a + * suite and subsuites, but executes other `after each` + * hooks + * + * @private + * @param {Hook} hook + * @param {Error} err + */ +Runner.prototype.failHook = function(hook, err) { + hook.originalTitle = hook.originalTitle || hook.title; + if (hook.ctx && hook.ctx.currentTest) { + hook.title = + hook.originalTitle + ' for ' + dQuote(hook.ctx.currentTest.title); + } else { + var parentTitle; + if (hook.parent.title) { + parentTitle = hook.parent.title; + } else { + parentTitle = hook.parent.root ? '{root}' : ''; + } + hook.title = hook.originalTitle + ' in ' + dQuote(parentTitle); + } + + this.fail(hook, err); +}; + +/** + * Run hook `name` callbacks and then invoke `fn()`. + * + * @private + * @param {string} name + * @param {Function} fn + */ + +Runner.prototype.hook = function(name, fn) { + var suite = this.suite; + var hooks = suite.getHooks(name); + var self = this; + + function next(i) { + var hook = hooks[i]; + if (!hook) { + return fn(); + } + self.currentRunnable = hook; + + if (name === HOOK_TYPE_BEFORE_ALL) { + hook.ctx.currentTest = hook.parent.tests[0]; + } else if (name === HOOK_TYPE_AFTER_ALL) { + hook.ctx.currentTest = hook.parent.tests[hook.parent.tests.length - 1]; + } else { + hook.ctx.currentTest = self.test; + } + + hook.allowUncaught = self.allowUncaught; + + self.emit(constants.EVENT_HOOK_BEGIN, hook); + + if (!hook.listeners('error').length) { + hook.on('error', function(err) { + self.failHook(hook, err); + }); + } + + hook.run(function(err) { + var testError = hook.error(); + if (testError) { + self.fail(self.test, testError); + } + if (err) { + if (err instanceof Pending) { + if (name === HOOK_TYPE_AFTER_ALL) { + utils.deprecate( + 'Skipping a test within an "after all" hook is DEPRECATED and will throw an exception in a future version of Mocha. ' + + 'Use a return statement or other means to abort hook execution.' + ); + } + if (name === HOOK_TYPE_BEFORE_EACH || name === HOOK_TYPE_AFTER_EACH) { + if (self.test) { + self.test.pending = true; + } + } else { + suite.tests.forEach(function(test) { + test.pending = true; + }); + suite.suites.forEach(function(suite) { + suite.pending = true; + }); + // a pending hook won't be executed twice. + hook.pending = true; + } + } else { + self.failHook(hook, err); + + // stop executing hooks, notify callee of hook err + return fn(err); + } + } + self.emit(constants.EVENT_HOOK_END, hook); + delete hook.ctx.currentTest; + next(++i); + }); + } + + Runner.immediately(function() { + next(0); + }); +}; + +/** + * Run hook `name` for the given array of `suites` + * in order, and callback `fn(err, errSuite)`. + * + * @private + * @param {string} name + * @param {Array} suites + * @param {Function} fn + */ +Runner.prototype.hooks = function(name, suites, fn) { + var self = this; + var orig = this.suite; + + function next(suite) { + self.suite = suite; + + if (!suite) { + self.suite = orig; + return fn(); + } + + self.hook(name, function(err) { + if (err) { + var errSuite = self.suite; + self.suite = orig; + return fn(err, errSuite); + } + + next(suites.pop()); + }); + } + + next(suites.pop()); +}; + +/** + * Run hooks from the top level down. + * + * @param {String} name + * @param {Function} fn + * @private + */ +Runner.prototype.hookUp = function(name, fn) { + var suites = [this.suite].concat(this.parents()).reverse(); + this.hooks(name, suites, fn); +}; + +/** + * Run hooks from the bottom up. + * + * @param {String} name + * @param {Function} fn + * @private + */ +Runner.prototype.hookDown = function(name, fn) { + var suites = [this.suite].concat(this.parents()); + this.hooks(name, suites, fn); +}; + +/** + * Return an array of parent Suites from + * closest to furthest. + * + * @return {Array} + * @private + */ +Runner.prototype.parents = function() { + var suite = this.suite; + var suites = []; + while (suite.parent) { + suite = suite.parent; + suites.push(suite); + } + return suites; +}; + +/** + * Run the current test and callback `fn(err)`. + * + * @param {Function} fn + * @private + */ +Runner.prototype.runTest = function(fn) { + var self = this; + var test = this.test; + + if (!test) { + return; + } + + var suite = this.parents().reverse()[0] || this.suite; + if (this.forbidOnly && suite.hasOnly()) { + fn(new Error('`.only` forbidden')); + return; + } + if (this.asyncOnly) { + test.asyncOnly = true; + } + test.on('error', function(err) { + self.fail(test, err); + }); + if (this.allowUncaught) { + test.allowUncaught = true; + return test.run(fn); + } + try { + test.run(fn); + } catch (err) { + fn(err); + } +}; + +/** + * Run tests in the given `suite` and invoke the callback `fn()` when complete. + * + * @private + * @param {Suite} suite + * @param {Function} fn + */ +Runner.prototype.runTests = function(suite, fn) { + var self = this; + var tests = suite.tests.slice(); + var test; + + function hookErr(_, errSuite, after) { + // before/after Each hook for errSuite failed: + var orig = self.suite; + + // for failed 'after each' hook start from errSuite parent, + // otherwise start from errSuite itself + self.suite = after ? errSuite.parent : errSuite; + + if (self.suite) { + // call hookUp afterEach + self.hookUp(HOOK_TYPE_AFTER_EACH, function(err2, errSuite2) { + self.suite = orig; + // some hooks may fail even now + if (err2) { + return hookErr(err2, errSuite2, true); + } + // report error suite + fn(errSuite); + }); + } else { + // there is no need calling other 'after each' hooks + self.suite = orig; + fn(errSuite); + } + } + + function next(err, errSuite) { + // if we bail after first err + if (self.failures && suite._bail) { + tests = []; + } + + if (self._abort) { + return fn(); + } + + if (err) { + return hookErr(err, errSuite, true); + } + + // next test + test = tests.shift(); + + // all done + if (!test) { + return fn(); + } + + // grep + var match = self._grep.test(test.fullTitle()); + if (self._invert) { + match = !match; + } + if (!match) { + // Run immediately only if we have defined a grep. When we + // define a grep — It can cause maximum callstack error if + // the grep is doing a large recursive loop by neglecting + // all tests. The run immediately function also comes with + // a performance cost. So we don't want to run immediately + // if we run the whole test suite, because running the whole + // test suite don't do any immediate recursive loops. Thus, + // allowing a JS runtime to breathe. + if (self._grep !== self._defaultGrep) { + Runner.immediately(next); + } else { + next(); + } + return; + } + + if (test.isPending()) { + if (self.forbidPending) { + test.isPending = alwaysFalse; + self.fail(test, new Error('Pending test forbidden')); + delete test.isPending; + } else { + self.emit(constants.EVENT_TEST_PENDING, test); + } + self.emit(constants.EVENT_TEST_END, test); + return next(); + } + + // execute test and hook(s) + self.emit(constants.EVENT_TEST_BEGIN, (self.test = test)); + self.hookDown(HOOK_TYPE_BEFORE_EACH, function(err, errSuite) { + if (test.isPending()) { + if (self.forbidPending) { + test.isPending = alwaysFalse; + self.fail(test, new Error('Pending test forbidden')); + delete test.isPending; + } else { + self.emit(constants.EVENT_TEST_PENDING, test); + } + self.emit(constants.EVENT_TEST_END, test); + return next(); + } + if (err) { + return hookErr(err, errSuite, false); + } + self.currentRunnable = self.test; + self.runTest(function(err) { + test = self.test; + if (err) { + var retry = test.currentRetry(); + if (err instanceof Pending && self.forbidPending) { + self.fail(test, new Error('Pending test forbidden')); + } else if (err instanceof Pending) { + test.pending = true; + self.emit(constants.EVENT_TEST_PENDING, test); + } else if (retry < test.retries()) { + var clonedTest = test.clone(); + clonedTest.currentRetry(retry + 1); + tests.unshift(clonedTest); + + self.emit(constants.EVENT_TEST_RETRY, test, err); + + // Early return + hook trigger so that it doesn't + // increment the count wrong + return self.hookUp(HOOK_TYPE_AFTER_EACH, next); + } else { + self.fail(test, err); + } + self.emit(constants.EVENT_TEST_END, test); + + if (err instanceof Pending) { + return next(); + } + + return self.hookUp(HOOK_TYPE_AFTER_EACH, next); + } + + test.state = STATE_PASSED; + self.emit(constants.EVENT_TEST_PASS, test); + self.emit(constants.EVENT_TEST_END, test); + self.hookUp(HOOK_TYPE_AFTER_EACH, next); + }); + }); + } + + this.next = next; + this.hookErr = hookErr; + next(); +}; + +function alwaysFalse() { + return false; +} + +/** + * Run the given `suite` and invoke the callback `fn()` when complete. + * + * @private + * @param {Suite} suite + * @param {Function} fn + */ +Runner.prototype.runSuite = function(suite, fn) { + var i = 0; + var self = this; + var total = this.grepTotal(suite); + var afterAllHookCalled = false; + + debug('run suite %s', suite.fullTitle()); + + if (!total || (self.failures && suite._bail)) { + return fn(); + } + + this.emit(constants.EVENT_SUITE_BEGIN, (this.suite = suite)); + + function next(errSuite) { + if (errSuite) { + // current suite failed on a hook from errSuite + if (errSuite === suite) { + // if errSuite is current suite + // continue to the next sibling suite + return done(); + } + // errSuite is among the parents of current suite + // stop execution of errSuite and all sub-suites + return done(errSuite); + } + + if (self._abort) { + return done(); + } + + var curr = suite.suites[i++]; + if (!curr) { + return done(); + } + + // Avoid grep neglecting large number of tests causing a + // huge recursive loop and thus a maximum call stack error. + // See comment in `this.runTests()` for more information. + if (self._grep !== self._defaultGrep) { + Runner.immediately(function() { + self.runSuite(curr, next); + }); + } else { + self.runSuite(curr, next); + } + } + + function done(errSuite) { + self.suite = suite; + self.nextSuite = next; + + if (afterAllHookCalled) { + fn(errSuite); + } else { + // mark that the afterAll block has been called once + // and so can be skipped if there is an error in it. + afterAllHookCalled = true; + + // remove reference to test + delete self.test; + + self.hook(HOOK_TYPE_AFTER_ALL, function() { + self.emit(constants.EVENT_SUITE_END, suite); + fn(errSuite); + }); + } + } + + this.nextSuite = next; + + this.hook(HOOK_TYPE_BEFORE_ALL, function(err) { + if (err) { + return done(); + } + self.runTests(suite, next); + }); +}; + +/** + * Handle uncaught exceptions. + * + * @param {Error} err + * @private + */ +Runner.prototype.uncaught = function(err) { + if (err instanceof Pending) { + return; + } + if (err) { + debug('uncaught exception %O', err); + } else { + debug('uncaught undefined/falsy exception'); + err = createInvalidExceptionError( + 'Caught falsy/undefined exception which would otherwise be uncaught. No stack trace found; try a debugger', + err + ); + } + + if (!isError(err)) { + err = thrown2Error(err); + } + err.uncaught = true; + + var runnable = this.currentRunnable; + + if (!runnable) { + runnable = new Runnable('Uncaught error outside test suite'); + runnable.parent = this.suite; + + if (this.started) { + this.fail(runnable, err); + } else { + // Can't recover from this failure + this.emit(constants.EVENT_RUN_BEGIN); + this.fail(runnable, err); + this.emit(constants.EVENT_RUN_END); + } + + return; + } + + runnable.clearTimeout(); + + // Ignore errors if already failed or pending + // See #3226 + if (runnable.isFailed() || runnable.isPending()) { + return; + } + // we cannot recover gracefully if a Runnable has already passed + // then fails asynchronously + var alreadyPassed = runnable.isPassed(); + // this will change the state to "failed" regardless of the current value + this.fail(runnable, err); + if (!alreadyPassed) { + // recover from test + if (runnable.type === constants.EVENT_TEST_BEGIN) { + this.emit(constants.EVENT_TEST_END, runnable); + this.hookUp(HOOK_TYPE_AFTER_EACH, this.next); + return; + } + debug(runnable); + + // recover from hooks + var errSuite = this.suite; + + // XXX how about a less awful way to determine this? + // if hook failure is in afterEach block + if (runnable.fullTitle().indexOf('after each') > -1) { + return this.hookErr(err, errSuite, true); + } + // if hook failure is in beforeEach block + if (runnable.fullTitle().indexOf('before each') > -1) { + return this.hookErr(err, errSuite, false); + } + // if hook failure is in after or before blocks + return this.nextSuite(errSuite); + } + + // bail + this.emit(constants.EVENT_RUN_END); +}; + +/** + * Run the root suite and invoke `fn(failures)` + * on completion. + * + * @public + * @memberof Runner + * @param {Function} fn + * @return {Runner} Runner instance. + */ +Runner.prototype.run = function(fn) { + var self = this; + var rootSuite = this.suite; + + fn = fn || function() {}; + + function uncaught(err) { + self.uncaught(err); + } + + function start() { + // If there is an `only` filter + if (rootSuite.hasOnly()) { + rootSuite.filterOnly(); + } + self.started = true; + if (self._delay) { + self.emit(constants.EVENT_DELAY_END); + } + self.emit(constants.EVENT_RUN_BEGIN); + + self.runSuite(rootSuite, function() { + debug('finished running'); + self.emit(constants.EVENT_RUN_END); + }); + } + + debug(constants.EVENT_RUN_BEGIN); + + // references cleanup to avoid memory leaks + this.on(constants.EVENT_SUITE_END, function(suite) { + suite.cleanReferences(); + }); + + // callback + this.on(constants.EVENT_RUN_END, function() { + debug(constants.EVENT_RUN_END); + process.removeListener('uncaughtException', uncaught); + fn(self.failures); + }); + + // uncaught exception + process.on('uncaughtException', uncaught); + + if (this._delay) { + // for reporters, I guess. + // might be nice to debounce some dots while we wait. + this.emit(constants.EVENT_DELAY_BEGIN, rootSuite); + rootSuite.once(EVENT_ROOT_SUITE_RUN, start); + } else { + start(); + } + + return this; +}; + +/** + * Cleanly abort execution. + * + * @memberof Runner + * @public + * @return {Runner} Runner instance. + */ +Runner.prototype.abort = function() { + debug('aborting'); + this._abort = true; + + return this; +}; + +/** + * Filter leaks with the given globals flagged as `ok`. + * + * @private + * @param {Array} ok + * @param {Array} globals + * @return {Array} + */ +function filterLeaks(ok, globals) { + return globals.filter(function(key) { + // Firefox and Chrome exposes iframes as index inside the window object + if (/^\d+/.test(key)) { + return false; + } + + // in firefox + // if runner runs in an iframe, this iframe's window.getInterface method + // not init at first it is assigned in some seconds + if (global.navigator && /^getInterface/.test(key)) { + return false; + } + + // an iframe could be approached by window[iframeIndex] + // in ie6,7,8 and opera, iframeIndex is enumerable, this could cause leak + if (global.navigator && /^\d+/.test(key)) { + return false; + } + + // Opera and IE expose global variables for HTML element IDs (issue #243) + if (/^mocha-/.test(key)) { + return false; + } + + var matched = ok.filter(function(ok) { + if (~ok.indexOf('*')) { + return key.indexOf(ok.split('*')[0]) === 0; + } + return key === ok; + }); + return !matched.length && (!global.navigator || key !== 'onerror'); + }); +} + +/** + * Check if argument is an instance of Error object or a duck-typed equivalent. + * + * @private + * @param {Object} err - object to check + * @param {string} err.message - error message + * @returns {boolean} + */ +function isError(err) { + return err instanceof Error || (err && typeof err.message === 'string'); +} + +/** + * + * Converts thrown non-extensible type into proper Error. + * + * @private + * @param {*} thrown - Non-extensible type thrown by code + * @return {Error} + */ +function thrown2Error(err) { + return new Error( + 'the ' + type(err) + ' ' + stringify(err) + ' was thrown, throw an Error :)' + ); +} + +/** + * Array of globals dependent on the environment. + * + * @return {Array} + * @deprecated + * @todo remove; long since unsupported + * @private + */ +function extraGlobals() { + if (typeof process === 'object' && typeof process.version === 'string') { + var parts = process.version.split('.'); + var nodeVersion = parts.reduce(function(a, v) { + return (a << 8) | v; + }); + + // 'errno' was renamed to process._errno in v0.9.11. + if (nodeVersion < 0x00090b) { + return ['errno']; + } + } + + return []; +} + +Runner.constants = constants; + +/** + * Node.js' `EventEmitter` + * @external EventEmitter + * @see {@link https://nodejs.org/api/events.html#events_class_eventemitter} + */ + +}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) +},{"./errors":6,"./pending":16,"./runnable":33,"./suite":36,"./utils":38,"_process":69,"debug":45,"events":50,"util":89}],35:[function(require,module,exports){ +(function (global){ +'use strict'; + +/** + * Provides a factory function for a {@link StatsCollector} object. + * @module + */ + +var constants = require('./runner').constants; +var EVENT_TEST_PASS = constants.EVENT_TEST_PASS; +var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL; +var EVENT_SUITE_BEGIN = constants.EVENT_SUITE_BEGIN; +var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN; +var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING; +var EVENT_RUN_END = constants.EVENT_RUN_END; +var EVENT_TEST_END = constants.EVENT_TEST_END; + +/** + * Test statistics collector. + * + * @public + * @typedef {Object} StatsCollector + * @property {number} suites - integer count of suites run. + * @property {number} tests - integer count of tests run. + * @property {number} passes - integer count of passing tests. + * @property {number} pending - integer count of pending tests. + * @property {number} failures - integer count of failed tests. + * @property {Date} start - time when testing began. + * @property {Date} end - time when testing concluded. + * @property {number} duration - number of msecs that testing took. + */ + +var Date = global.Date; + +/** + * Provides stats such as test duration, number of tests passed / failed etc., by listening for events emitted by `runner`. + * + * @private + * @param {Runner} runner - Runner instance + * @throws {TypeError} If falsy `runner` + */ +function createStatsCollector(runner) { + /** + * @type StatsCollector + */ + var stats = { + suites: 0, + tests: 0, + passes: 0, + pending: 0, + failures: 0 + }; + + if (!runner) { + throw new TypeError('Missing runner argument'); + } + + runner.stats = stats; + + runner.once(EVENT_RUN_BEGIN, function() { + stats.start = new Date(); + }); + runner.on(EVENT_SUITE_BEGIN, function(suite) { + suite.root || stats.suites++; + }); + runner.on(EVENT_TEST_PASS, function() { + stats.passes++; + }); + runner.on(EVENT_TEST_FAIL, function() { + stats.failures++; + }); + runner.on(EVENT_TEST_PENDING, function() { + stats.pending++; + }); + runner.on(EVENT_TEST_END, function() { + stats.tests++; + }); + runner.once(EVENT_RUN_END, function() { + stats.end = new Date(); + stats.duration = stats.end - stats.start; + }); +} + +module.exports = createStatsCollector; + +}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) +},{"./runner":34}],36:[function(require,module,exports){ +'use strict'; + +/** + * Module dependencies. + */ +var EventEmitter = require('events').EventEmitter; +var Hook = require('./hook'); +var utils = require('./utils'); +var inherits = utils.inherits; +var debug = require('debug')('mocha:suite'); +var milliseconds = require('ms'); +var errors = require('./errors'); +var createInvalidArgumentTypeError = errors.createInvalidArgumentTypeError; + +/** + * Expose `Suite`. + */ + +exports = module.exports = Suite; + +/** + * Create a new `Suite` with the given `title` and parent `Suite`. + * + * @public + * @param {Suite} parent - Parent suite (required!) + * @param {string} title - Title + * @return {Suite} + */ +Suite.create = function(parent, title) { + var suite = new Suite(title, parent.ctx); + suite.parent = parent; + title = suite.fullTitle(); + parent.addSuite(suite); + return suite; +}; + +/** + * Constructs a new `Suite` instance with the given `title`, `ctx`, and `isRoot`. + * + * @public + * @class + * @extends EventEmitter + * @see {@link https://nodejs.org/api/events.html#events_class_eventemitter|EventEmitter} + * @param {string} title - Suite title. + * @param {Context} parentContext - Parent context instance. + * @param {boolean} [isRoot=false] - Whether this is the root suite. + */ +function Suite(title, parentContext, isRoot) { + if (!utils.isString(title)) { + throw createInvalidArgumentTypeError( + 'Suite argument "title" must be a string. Received type "' + + typeof title + + '"', + 'title', + 'string' + ); + } + this.title = title; + function Context() {} + Context.prototype = parentContext; + this.ctx = new Context(); + this.suites = []; + this.tests = []; + this.pending = false; + this._beforeEach = []; + this._beforeAll = []; + this._afterEach = []; + this._afterAll = []; + this.root = isRoot === true; + this._timeout = 2000; + this._enableTimeouts = true; + this._slow = 75; + this._bail = false; + this._retries = -1; + this._onlyTests = []; + this._onlySuites = []; + this.delayed = false; + + this.on('newListener', function(event) { + if (deprecatedEvents[event]) { + utils.deprecate( + 'Event "' + + event + + '" is deprecated. Please let the Mocha team know about your use case: https://git.io/v6Lwm' + ); + } + }); +} + +/** + * Inherit from `EventEmitter.prototype`. + */ +inherits(Suite, EventEmitter); + +/** + * Return a clone of this `Suite`. + * + * @private + * @return {Suite} + */ +Suite.prototype.clone = function() { + var suite = new Suite(this.title); + debug('clone'); + suite.ctx = this.ctx; + suite.root = this.root; + suite.timeout(this.timeout()); + suite.retries(this.retries()); + suite.enableTimeouts(this.enableTimeouts()); + suite.slow(this.slow()); + suite.bail(this.bail()); + return suite; +}; + +/** + * Set or get timeout `ms` or short-hand such as "2s". + * + * @private + * @todo Do not attempt to set value if `ms` is undefined + * @param {number|string} ms + * @return {Suite|number} for chaining + */ +Suite.prototype.timeout = function(ms) { + if (!arguments.length) { + return this._timeout; + } + if (ms.toString() === '0') { + this._enableTimeouts = false; + } + if (typeof ms === 'string') { + ms = milliseconds(ms); + } + debug('timeout %d', ms); + this._timeout = parseInt(ms, 10); + return this; +}; + +/** + * Set or get number of times to retry a failed test. + * + * @private + * @param {number|string} n + * @return {Suite|number} for chaining + */ +Suite.prototype.retries = function(n) { + if (!arguments.length) { + return this._retries; + } + debug('retries %d', n); + this._retries = parseInt(n, 10) || 0; + return this; +}; + +/** + * Set or get timeout to `enabled`. + * + * @private + * @param {boolean} enabled + * @return {Suite|boolean} self or enabled + */ +Suite.prototype.enableTimeouts = function(enabled) { + if (!arguments.length) { + return this._enableTimeouts; + } + debug('enableTimeouts %s', enabled); + this._enableTimeouts = enabled; + return this; +}; + +/** + * Set or get slow `ms` or short-hand such as "2s". + * + * @private + * @param {number|string} ms + * @return {Suite|number} for chaining + */ +Suite.prototype.slow = function(ms) { + if (!arguments.length) { + return this._slow; + } + if (typeof ms === 'string') { + ms = milliseconds(ms); + } + debug('slow %d', ms); + this._slow = ms; + return this; +}; + +/** + * Set or get whether to bail after first error. + * + * @private + * @param {boolean} bail + * @return {Suite|number} for chaining + */ +Suite.prototype.bail = function(bail) { + if (!arguments.length) { + return this._bail; + } + debug('bail %s', bail); + this._bail = bail; + return this; +}; + +/** + * Check if this suite or its parent suite is marked as pending. + * + * @private + */ +Suite.prototype.isPending = function() { + return this.pending || (this.parent && this.parent.isPending()); +}; + +/** + * Generic hook-creator. + * @private + * @param {string} title - Title of hook + * @param {Function} fn - Hook callback + * @returns {Hook} A new hook + */ +Suite.prototype._createHook = function(title, fn) { + var hook = new Hook(title, fn); + hook.parent = this; + hook.timeout(this.timeout()); + hook.retries(this.retries()); + hook.enableTimeouts(this.enableTimeouts()); + hook.slow(this.slow()); + hook.ctx = this.ctx; + hook.file = this.file; + return hook; +}; + +/** + * Run `fn(test[, done])` before running tests. + * + * @private + * @param {string} title + * @param {Function} fn + * @return {Suite} for chaining + */ +Suite.prototype.beforeAll = function(title, fn) { + if (this.isPending()) { + return this; + } + if (typeof title === 'function') { + fn = title; + title = fn.name; + } + title = '"before all" hook' + (title ? ': ' + title : ''); + + var hook = this._createHook(title, fn); + this._beforeAll.push(hook); + this.emit(constants.EVENT_SUITE_ADD_HOOK_BEFORE_ALL, hook); + return this; +}; + +/** + * Run `fn(test[, done])` after running tests. + * + * @private + * @param {string} title + * @param {Function} fn + * @return {Suite} for chaining + */ +Suite.prototype.afterAll = function(title, fn) { + if (this.isPending()) { + return this; + } + if (typeof title === 'function') { + fn = title; + title = fn.name; + } + title = '"after all" hook' + (title ? ': ' + title : ''); + + var hook = this._createHook(title, fn); + this._afterAll.push(hook); + this.emit(constants.EVENT_SUITE_ADD_HOOK_AFTER_ALL, hook); + return this; +}; + +/** + * Run `fn(test[, done])` before each test case. + * + * @private + * @param {string} title + * @param {Function} fn + * @return {Suite} for chaining + */ +Suite.prototype.beforeEach = function(title, fn) { + if (this.isPending()) { + return this; + } + if (typeof title === 'function') { + fn = title; + title = fn.name; + } + title = '"before each" hook' + (title ? ': ' + title : ''); + + var hook = this._createHook(title, fn); + this._beforeEach.push(hook); + this.emit(constants.EVENT_SUITE_ADD_HOOK_BEFORE_EACH, hook); + return this; +}; + +/** + * Run `fn(test[, done])` after each test case. + * + * @private + * @param {string} title + * @param {Function} fn + * @return {Suite} for chaining + */ +Suite.prototype.afterEach = function(title, fn) { + if (this.isPending()) { + return this; + } + if (typeof title === 'function') { + fn = title; + title = fn.name; + } + title = '"after each" hook' + (title ? ': ' + title : ''); + + var hook = this._createHook(title, fn); + this._afterEach.push(hook); + this.emit(constants.EVENT_SUITE_ADD_HOOK_AFTER_EACH, hook); + return this; +}; + +/** + * Add a test `suite`. + * + * @private + * @param {Suite} suite + * @return {Suite} for chaining + */ +Suite.prototype.addSuite = function(suite) { + suite.parent = this; + suite.root = false; + suite.timeout(this.timeout()); + suite.retries(this.retries()); + suite.enableTimeouts(this.enableTimeouts()); + suite.slow(this.slow()); + suite.bail(this.bail()); + this.suites.push(suite); + this.emit(constants.EVENT_SUITE_ADD_SUITE, suite); + return this; +}; + +/** + * Add a `test` to this suite. + * + * @private + * @param {Test} test + * @return {Suite} for chaining + */ +Suite.prototype.addTest = function(test) { + test.parent = this; + test.timeout(this.timeout()); + test.retries(this.retries()); + test.enableTimeouts(this.enableTimeouts()); + test.slow(this.slow()); + test.ctx = this.ctx; + this.tests.push(test); + this.emit(constants.EVENT_SUITE_ADD_TEST, test); + return this; +}; + +/** + * Return the full title generated by recursively concatenating the parent's + * full title. + * + * @memberof Suite + * @public + * @return {string} + */ +Suite.prototype.fullTitle = function() { + return this.titlePath().join(' '); +}; + +/** + * Return the title path generated by recursively concatenating the parent's + * title path. + * + * @memberof Suite + * @public + * @return {string} + */ +Suite.prototype.titlePath = function() { + var result = []; + if (this.parent) { + result = result.concat(this.parent.titlePath()); + } + if (!this.root) { + result.push(this.title); + } + return result; +}; + +/** + * Return the total number of tests. + * + * @memberof Suite + * @public + * @return {number} + */ +Suite.prototype.total = function() { + return ( + this.suites.reduce(function(sum, suite) { + return sum + suite.total(); + }, 0) + this.tests.length + ); +}; + +/** + * Iterates through each suite recursively to find all tests. Applies a + * function in the format `fn(test)`. + * + * @private + * @param {Function} fn + * @return {Suite} + */ +Suite.prototype.eachTest = function(fn) { + this.tests.forEach(fn); + this.suites.forEach(function(suite) { + suite.eachTest(fn); + }); + return this; +}; + +/** + * This will run the root suite if we happen to be running in delayed mode. + * @private + */ +Suite.prototype.run = function run() { + if (this.root) { + this.emit(constants.EVENT_ROOT_SUITE_RUN); + } +}; + +/** + * Determines whether a suite has an `only` test or suite as a descendant. + * + * @private + * @returns {Boolean} + */ +Suite.prototype.hasOnly = function hasOnly() { + return ( + this._onlyTests.length > 0 || + this._onlySuites.length > 0 || + this.suites.some(function(suite) { + return suite.hasOnly(); + }) + ); +}; + +/** + * Filter suites based on `isOnly` logic. + * + * @private + * @returns {Boolean} + */ +Suite.prototype.filterOnly = function filterOnly() { + if (this._onlyTests.length) { + // If the suite contains `only` tests, run those and ignore any nested suites. + this.tests = this._onlyTests; + this.suites = []; + } else { + // Otherwise, do not run any of the tests in this suite. + this.tests = []; + this._onlySuites.forEach(function(onlySuite) { + // If there are other `only` tests/suites nested in the current `only` suite, then filter that `only` suite. + // Otherwise, all of the tests on this `only` suite should be run, so don't filter it. + if (onlySuite.hasOnly()) { + onlySuite.filterOnly(); + } + }); + // Run the `only` suites, as well as any other suites that have `only` tests/suites as descendants. + var onlySuites = this._onlySuites; + this.suites = this.suites.filter(function(childSuite) { + return onlySuites.indexOf(childSuite) !== -1 || childSuite.filterOnly(); + }); + } + // Keep the suite only if there is something to run + return this.tests.length > 0 || this.suites.length > 0; +}; + +/** + * Adds a suite to the list of subsuites marked `only`. + * + * @private + * @param {Suite} suite + */ +Suite.prototype.appendOnlySuite = function(suite) { + this._onlySuites.push(suite); +}; + +/** + * Adds a test to the list of tests marked `only`. + * + * @private + * @param {Test} test + */ +Suite.prototype.appendOnlyTest = function(test) { + this._onlyTests.push(test); +}; + +/** + * Returns the array of hooks by hook name; see `HOOK_TYPE_*` constants. + * @private + */ +Suite.prototype.getHooks = function getHooks(name) { + return this['_' + name]; +}; + +/** + * Cleans up the references to all the deferred functions + * (before/after/beforeEach/afterEach) and tests of a Suite. + * These must be deleted otherwise a memory leak can happen, + * as those functions may reference variables from closures, + * thus those variables can never be garbage collected as long + * as the deferred functions exist. + * + * @private + */ +Suite.prototype.cleanReferences = function cleanReferences() { + function cleanArrReferences(arr) { + for (var i = 0; i < arr.length; i++) { + delete arr[i].fn; + } + } + + if (Array.isArray(this._beforeAll)) { + cleanArrReferences(this._beforeAll); + } + + if (Array.isArray(this._beforeEach)) { + cleanArrReferences(this._beforeEach); + } + + if (Array.isArray(this._afterAll)) { + cleanArrReferences(this._afterAll); + } + + if (Array.isArray(this._afterEach)) { + cleanArrReferences(this._afterEach); + } + + for (var i = 0; i < this.tests.length; i++) { + delete this.tests[i].fn; + } +}; + +var constants = utils.defineConstants( + /** + * {@link Suite}-related constants. + * @public + * @memberof Suite + * @alias constants + * @readonly + * @static + * @enum {string} + */ + { + /** + * Event emitted after a test file has been loaded Not emitted in browser. + */ + EVENT_FILE_POST_REQUIRE: 'post-require', + /** + * Event emitted before a test file has been loaded. In browser, this is emitted once an interface has been selected. + */ + EVENT_FILE_PRE_REQUIRE: 'pre-require', + /** + * Event emitted immediately after a test file has been loaded. Not emitted in browser. + */ + EVENT_FILE_REQUIRE: 'require', + /** + * Event emitted when `global.run()` is called (use with `delay` option) + */ + EVENT_ROOT_SUITE_RUN: 'run', + + /** + * Namespace for collection of a `Suite`'s "after all" hooks + */ + HOOK_TYPE_AFTER_ALL: 'afterAll', + /** + * Namespace for collection of a `Suite`'s "after each" hooks + */ + HOOK_TYPE_AFTER_EACH: 'afterEach', + /** + * Namespace for collection of a `Suite`'s "before all" hooks + */ + HOOK_TYPE_BEFORE_ALL: 'beforeAll', + /** + * Namespace for collection of a `Suite`'s "before all" hooks + */ + HOOK_TYPE_BEFORE_EACH: 'beforeEach', + + // the following events are all deprecated + + /** + * Emitted after an "after all" `Hook` has been added to a `Suite`. Deprecated + */ + EVENT_SUITE_ADD_HOOK_AFTER_ALL: 'afterAll', + /** + * Emitted after an "after each" `Hook` has been added to a `Suite` Deprecated + */ + EVENT_SUITE_ADD_HOOK_AFTER_EACH: 'afterEach', + /** + * Emitted after an "before all" `Hook` has been added to a `Suite` Deprecated + */ + EVENT_SUITE_ADD_HOOK_BEFORE_ALL: 'beforeAll', + /** + * Emitted after an "before each" `Hook` has been added to a `Suite` Deprecated + */ + EVENT_SUITE_ADD_HOOK_BEFORE_EACH: 'beforeEach', + /** + * Emitted after a child `Suite` has been added to a `Suite`. Deprecated + */ + EVENT_SUITE_ADD_SUITE: 'suite', + /** + * Emitted after a `Test` has been added to a `Suite`. Deprecated + */ + EVENT_SUITE_ADD_TEST: 'test' + } +); + +/** + * @summary There are no known use cases for these events. + * @desc This is a `Set`-like object having all keys being the constant's string value and the value being `true`. + * @todo Remove eventually + * @type {Object} + * @ignore + */ +var deprecatedEvents = Object.keys(constants) + .filter(function(constant) { + return constant.substring(0, 15) === 'EVENT_SUITE_ADD'; + }) + .reduce(function(acc, constant) { + acc[constants[constant]] = true; + return acc; + }, utils.createMap()); + +Suite.constants = constants; + +},{"./errors":6,"./hook":7,"./utils":38,"debug":45,"events":50,"ms":60}],37:[function(require,module,exports){ +'use strict'; +var Runnable = require('./runnable'); +var utils = require('./utils'); +var errors = require('./errors'); +var createInvalidArgumentTypeError = errors.createInvalidArgumentTypeError; +var isString = utils.isString; + +module.exports = Test; + +/** + * Initialize a new `Test` with the given `title` and callback `fn`. + * + * @public + * @class + * @extends Runnable + * @param {String} title - Test title (required) + * @param {Function} [fn] - Test callback. If omitted, the Test is considered "pending" + */ +function Test(title, fn) { + if (!isString(title)) { + throw createInvalidArgumentTypeError( + 'Test argument "title" should be a string. Received type "' + + typeof title + + '"', + 'title', + 'string' + ); + } + Runnable.call(this, title, fn); + this.pending = !fn; + this.type = 'test'; +} + +/** + * Inherit from `Runnable.prototype`. + */ +utils.inherits(Test, Runnable); + +Test.prototype.clone = function() { + var test = new Test(this.title, this.fn); + test.timeout(this.timeout()); + test.slow(this.slow()); + test.enableTimeouts(this.enableTimeouts()); + test.retries(this.retries()); + test.currentRetry(this.currentRetry()); + test.globals(this.globals()); + test.parent = this.parent; + test.file = this.file; + test.ctx = this.ctx; + return test; +}; + +},{"./errors":6,"./runnable":33,"./utils":38}],38:[function(require,module,exports){ +(function (process,Buffer){ +'use strict'; + +/** + * Various utility functions used throughout Mocha's codebase. + * @module utils + */ + +/** + * Module dependencies. + */ + +var fs = require('fs'); +var path = require('path'); +var util = require('util'); +var glob = require('glob'); +var he = require('he'); +var errors = require('./errors'); +var createNoFilesMatchPatternError = errors.createNoFilesMatchPatternError; +var createMissingArgumentError = errors.createMissingArgumentError; + +var assign = (exports.assign = require('object.assign').getPolyfill()); + +/** + * Inherit the prototype methods from one constructor into another. + * + * @param {function} ctor - Constructor function which needs to inherit the + * prototype. + * @param {function} superCtor - Constructor function to inherit prototype from. + * @throws {TypeError} if either constructor is null, or if super constructor + * lacks a prototype. + */ +exports.inherits = util.inherits; + +/** + * Escape special characters in the given string of html. + * + * @private + * @param {string} html + * @return {string} + */ +exports.escape = function(html) { + return he.encode(String(html), {useNamedReferences: false}); +}; + +/** + * Test if the given obj is type of string. + * + * @private + * @param {Object} obj + * @return {boolean} + */ +exports.isString = function(obj) { + return typeof obj === 'string'; +}; + +/** + * Watch the given `files` for changes + * and invoke `fn(file)` on modification. + * + * @private + * @param {Array} files + * @param {Function} fn + */ +exports.watch = function(files, fn) { + var options = {interval: 100}; + var debug = require('debug')('mocha:watch'); + files.forEach(function(file) { + debug('file %s', file); + fs.watchFile(file, options, function(curr, prev) { + if (prev.mtime < curr.mtime) { + fn(file); + } + }); + }); +}; + +/** + * Predicate to screen `pathname` for further consideration. + * + * @description + * Returns false for pathname referencing: + *
      + *
    • 'npm' package installation directory + *
    • 'git' version control directory + *
    + * + * @private + * @param {string} pathname - File or directory name to screen + * @return {boolean} whether pathname should be further considered + * @example + * ['node_modules', 'test.js'].filter(considerFurther); // => ['test.js'] + */ +function considerFurther(pathname) { + var ignore = ['node_modules', '.git']; + + return !~ignore.indexOf(pathname); +} + +/** + * Lookup files in the given `dir`. + * + * @description + * Filenames are returned in _traversal_ order by the OS/filesystem. + * **Make no assumption that the names will be sorted in any fashion.** + * + * @private + * @param {string} dir + * @param {string[]} [exts=['js']] + * @param {Array} [ret=[]] + * @return {Array} + */ +exports.files = function(dir, exts, ret) { + ret = ret || []; + exts = exts || ['js']; + + fs.readdirSync(dir) + .filter(considerFurther) + .forEach(function(dirent) { + var pathname = path.join(dir, dirent); + if (fs.lstatSync(pathname).isDirectory()) { + exports.files(pathname, exts, ret); + } else if (hasMatchingExtname(pathname, exts)) { + ret.push(pathname); + } + }); + + return ret; +}; + +/** + * Compute a slug from the given `str`. + * + * @private + * @param {string} str + * @return {string} + */ +exports.slug = function(str) { + return str + .toLowerCase() + .replace(/ +/g, '-') + .replace(/[^-\w]/g, ''); +}; + +/** + * Strip the function definition from `str`, and re-indent for pre whitespace. + * + * @param {string} str + * @return {string} + */ +exports.clean = function(str) { + str = str + .replace(/\r\n?|[\n\u2028\u2029]/g, '\n') + .replace(/^\uFEFF/, '') + // (traditional)-> space/name parameters body (lambda)-> parameters body multi-statement/single keep body content + .replace( + /^function(?:\s*|\s+[^(]*)\([^)]*\)\s*\{((?:.|\n)*?)\s*\}$|^\([^)]*\)\s*=>\s*(?:\{((?:.|\n)*?)\s*\}|((?:.|\n)*))$/, + '$1$2$3' + ); + + var spaces = str.match(/^\n?( *)/)[1].length; + var tabs = str.match(/^\n?(\t*)/)[1].length; + var re = new RegExp( + '^\n?' + (tabs ? '\t' : ' ') + '{' + (tabs || spaces) + '}', + 'gm' + ); + + str = str.replace(re, ''); + + return str.trim(); +}; + +/** + * Parse the given `qs`. + * + * @private + * @param {string} qs + * @return {Object} + */ +exports.parseQuery = function(qs) { + return qs + .replace('?', '') + .split('&') + .reduce(function(obj, pair) { + var i = pair.indexOf('='); + var key = pair.slice(0, i); + var val = pair.slice(++i); + + // Due to how the URLSearchParams API treats spaces + obj[key] = decodeURIComponent(val.replace(/\+/g, '%20')); + + return obj; + }, {}); +}; + +/** + * Highlight the given string of `js`. + * + * @private + * @param {string} js + * @return {string} + */ +function highlight(js) { + return js + .replace(//g, '>') + .replace(/\/\/(.*)/gm, '//$1') + .replace(/('.*?')/gm, '$1') + .replace(/(\d+\.\d+)/gm, '$1') + .replace(/(\d+)/gm, '$1') + .replace( + /\bnew[ \t]+(\w+)/gm, + 'new $1' + ) + .replace( + /\b(function|new|throw|return|var|if|else)\b/gm, + '$1' + ); +} + +/** + * Highlight the contents of tag `name`. + * + * @private + * @param {string} name + */ +exports.highlightTags = function(name) { + var code = document.getElementById('mocha').getElementsByTagName(name); + for (var i = 0, len = code.length; i < len; ++i) { + code[i].innerHTML = highlight(code[i].innerHTML); + } +}; + +/** + * If a value could have properties, and has none, this function is called, + * which returns a string representation of the empty value. + * + * Functions w/ no properties return `'[Function]'` + * Arrays w/ length === 0 return `'[]'` + * Objects w/ no properties return `'{}'` + * All else: return result of `value.toString()` + * + * @private + * @param {*} value The value to inspect. + * @param {string} typeHint The type of the value + * @returns {string} + */ +function emptyRepresentation(value, typeHint) { + switch (typeHint) { + case 'function': + return '[Function]'; + case 'object': + return '{}'; + case 'array': + return '[]'; + default: + return value.toString(); + } +} + +/** + * Takes some variable and asks `Object.prototype.toString()` what it thinks it + * is. + * + * @private + * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/toString + * @param {*} value The value to test. + * @returns {string} Computed type + * @example + * type({}) // 'object' + * type([]) // 'array' + * type(1) // 'number' + * type(false) // 'boolean' + * type(Infinity) // 'number' + * type(null) // 'null' + * type(new Date()) // 'date' + * type(/foo/) // 'regexp' + * type('type') // 'string' + * type(global) // 'global' + * type(new String('foo') // 'object' + */ +var type = (exports.type = function type(value) { + if (value === undefined) { + return 'undefined'; + } else if (value === null) { + return 'null'; + } else if (Buffer.isBuffer(value)) { + return 'buffer'; + } + return Object.prototype.toString + .call(value) + .replace(/^\[.+\s(.+?)]$/, '$1') + .toLowerCase(); +}); + +/** + * Stringify `value`. Different behavior depending on type of value: + * + * - If `value` is undefined or null, return `'[undefined]'` or `'[null]'`, respectively. + * - If `value` is not an object, function or array, return result of `value.toString()` wrapped in double-quotes. + * - If `value` is an *empty* object, function, or array, return result of function + * {@link emptyRepresentation}. + * - If `value` has properties, call {@link exports.canonicalize} on it, then return result of + * JSON.stringify(). + * + * @private + * @see exports.type + * @param {*} value + * @return {string} + */ +exports.stringify = function(value) { + var typeHint = type(value); + + if (!~['object', 'array', 'function'].indexOf(typeHint)) { + if (typeHint === 'buffer') { + var json = Buffer.prototype.toJSON.call(value); + // Based on the toJSON result + return jsonStringify( + json.data && json.type ? json.data : json, + 2 + ).replace(/,(\n|$)/g, '$1'); + } + + // IE7/IE8 has a bizarre String constructor; needs to be coerced + // into an array and back to obj. + if (typeHint === 'string' && typeof value === 'object') { + value = value.split('').reduce(function(acc, char, idx) { + acc[idx] = char; + return acc; + }, {}); + typeHint = 'object'; + } else { + return jsonStringify(value); + } + } + + for (var prop in value) { + if (Object.prototype.hasOwnProperty.call(value, prop)) { + return jsonStringify( + exports.canonicalize(value, null, typeHint), + 2 + ).replace(/,(\n|$)/g, '$1'); + } + } + + return emptyRepresentation(value, typeHint); +}; + +/** + * like JSON.stringify but more sense. + * + * @private + * @param {Object} object + * @param {number=} spaces + * @param {number=} depth + * @returns {*} + */ +function jsonStringify(object, spaces, depth) { + if (typeof spaces === 'undefined') { + // primitive types + return _stringify(object); + } + + depth = depth || 1; + var space = spaces * depth; + var str = Array.isArray(object) ? '[' : '{'; + var end = Array.isArray(object) ? ']' : '}'; + var length = + typeof object.length === 'number' + ? object.length + : Object.keys(object).length; + // `.repeat()` polyfill + function repeat(s, n) { + return new Array(n).join(s); + } + + function _stringify(val) { + switch (type(val)) { + case 'null': + case 'undefined': + val = '[' + val + ']'; + break; + case 'array': + case 'object': + val = jsonStringify(val, spaces, depth + 1); + break; + case 'boolean': + case 'regexp': + case 'symbol': + case 'number': + val = + val === 0 && 1 / val === -Infinity // `-0` + ? '-0' + : val.toString(); + break; + case 'date': + var sDate = isNaN(val.getTime()) ? val.toString() : val.toISOString(); + val = '[Date: ' + sDate + ']'; + break; + case 'buffer': + var json = val.toJSON(); + // Based on the toJSON result + json = json.data && json.type ? json.data : json; + val = '[Buffer: ' + jsonStringify(json, 2, depth + 1) + ']'; + break; + default: + val = + val === '[Function]' || val === '[Circular]' + ? val + : JSON.stringify(val); // string + } + return val; + } + + for (var i in object) { + if (!Object.prototype.hasOwnProperty.call(object, i)) { + continue; // not my business + } + --length; + str += + '\n ' + + repeat(' ', space) + + (Array.isArray(object) ? '' : '"' + i + '": ') + // key + _stringify(object[i]) + // value + (length ? ',' : ''); // comma + } + + return ( + str + + // [], {} + (str.length !== 1 ? '\n' + repeat(' ', --space) + end : end) + ); +} + +/** + * Return a new Thing that has the keys in sorted order. Recursive. + * + * If the Thing... + * - has already been seen, return string `'[Circular]'` + * - is `undefined`, return string `'[undefined]'` + * - is `null`, return value `null` + * - is some other primitive, return the value + * - is not a primitive or an `Array`, `Object`, or `Function`, return the value of the Thing's `toString()` method + * - is a non-empty `Array`, `Object`, or `Function`, return the result of calling this function again. + * - is an empty `Array`, `Object`, or `Function`, return the result of calling `emptyRepresentation()` + * + * @private + * @see {@link exports.stringify} + * @param {*} value Thing to inspect. May or may not have properties. + * @param {Array} [stack=[]] Stack of seen values + * @param {string} [typeHint] Type hint + * @return {(Object|Array|Function|string|undefined)} + */ +exports.canonicalize = function canonicalize(value, stack, typeHint) { + var canonicalizedObj; + /* eslint-disable no-unused-vars */ + var prop; + /* eslint-enable no-unused-vars */ + typeHint = typeHint || type(value); + function withStack(value, fn) { + stack.push(value); + fn(); + stack.pop(); + } + + stack = stack || []; + + if (stack.indexOf(value) !== -1) { + return '[Circular]'; + } + + switch (typeHint) { + case 'undefined': + case 'buffer': + case 'null': + canonicalizedObj = value; + break; + case 'array': + withStack(value, function() { + canonicalizedObj = value.map(function(item) { + return exports.canonicalize(item, stack); + }); + }); + break; + case 'function': + /* eslint-disable guard-for-in */ + for (prop in value) { + canonicalizedObj = {}; + break; + } + /* eslint-enable guard-for-in */ + if (!canonicalizedObj) { + canonicalizedObj = emptyRepresentation(value, typeHint); + break; + } + /* falls through */ + case 'object': + canonicalizedObj = canonicalizedObj || {}; + withStack(value, function() { + Object.keys(value) + .sort() + .forEach(function(key) { + canonicalizedObj[key] = exports.canonicalize(value[key], stack); + }); + }); + break; + case 'date': + case 'number': + case 'regexp': + case 'boolean': + case 'symbol': + canonicalizedObj = value; + break; + default: + canonicalizedObj = value + ''; + } + + return canonicalizedObj; +}; + +/** + * Determines if pathname has a matching file extension. + * + * @private + * @param {string} pathname - Pathname to check for match. + * @param {string[]} exts - List of file extensions (sans period). + * @return {boolean} whether file extension matches. + * @example + * hasMatchingExtname('foo.html', ['js', 'css']); // => false + */ +function hasMatchingExtname(pathname, exts) { + var suffix = path.extname(pathname).slice(1); + return exts.some(function(element) { + return suffix === element; + }); +} + +/** + * Determines if pathname would be a "hidden" file (or directory) on UN*X. + * + * @description + * On UN*X, pathnames beginning with a full stop (aka dot) are hidden during + * typical usage. Dotfiles, plain-text configuration files, are prime examples. + * + * @see {@link http://xahlee.info/UnixResource_dir/writ/unix_origin_of_dot_filename.html|Origin of Dot File Names} + * + * @private + * @param {string} pathname - Pathname to check for match. + * @return {boolean} whether pathname would be considered a hidden file. + * @example + * isHiddenOnUnix('.profile'); // => true + */ +function isHiddenOnUnix(pathname) { + return path.basename(pathname)[0] === '.'; +} + +/** + * Lookup file names at the given `path`. + * + * @description + * Filenames are returned in _traversal_ order by the OS/filesystem. + * **Make no assumption that the names will be sorted in any fashion.** + * + * @public + * @memberof Mocha.utils + * @param {string} filepath - Base path to start searching from. + * @param {string[]} [extensions=[]] - File extensions to look for. + * @param {boolean} [recursive=false] - Whether to recurse into subdirectories. + * @return {string[]} An array of paths. + * @throws {Error} if no files match pattern. + * @throws {TypeError} if `filepath` is directory and `extensions` not provided. + */ +exports.lookupFiles = function lookupFiles(filepath, extensions, recursive) { + extensions = extensions || []; + recursive = recursive || false; + var files = []; + var stat; + + if (!fs.existsSync(filepath)) { + var pattern; + if (glob.hasMagic(filepath)) { + // Handle glob as is without extensions + pattern = filepath; + } else { + // glob pattern e.g. 'filepath+(.js|.ts)' + var strExtensions = extensions + .map(function(v) { + return '.' + v; + }) + .join('|'); + pattern = filepath + '+(' + strExtensions + ')'; + } + files = glob.sync(pattern, {nodir: true}); + if (!files.length) { + throw createNoFilesMatchPatternError( + 'Cannot find any files matching pattern ' + exports.dQuote(filepath), + filepath + ); + } + return files; + } + + // Handle file + try { + stat = fs.statSync(filepath); + if (stat.isFile()) { + return filepath; + } + } catch (err) { + // ignore error + return; + } + + // Handle directory + fs.readdirSync(filepath).forEach(function(dirent) { + var pathname = path.join(filepath, dirent); + var stat; + + try { + stat = fs.statSync(pathname); + if (stat.isDirectory()) { + if (recursive) { + files = files.concat(lookupFiles(pathname, extensions, recursive)); + } + return; + } + } catch (err) { + // ignore error + return; + } + if (!extensions.length) { + throw createMissingArgumentError( + util.format( + 'Argument %s required when argument %s is a directory', + exports.sQuote('extensions'), + exports.sQuote('filepath') + ), + 'extensions', + 'array' + ); + } + + if ( + !stat.isFile() || + !hasMatchingExtname(pathname, extensions) || + isHiddenOnUnix(pathname) + ) { + return; + } + files.push(pathname); + }); + + return files; +}; + +/** + * process.emitWarning or a polyfill + * @see https://nodejs.org/api/process.html#process_process_emitwarning_warning_options + * @ignore + */ +function emitWarning(msg, type) { + if (process.emitWarning) { + process.emitWarning(msg, type); + } else { + process.nextTick(function() { + console.warn(type + ': ' + msg); + }); + } +} + +/** + * Show a deprecation warning. Each distinct message is only displayed once. + * Ignores empty messages. + * + * @param {string} [msg] - Warning to print + * @private + */ +exports.deprecate = function deprecate(msg) { + msg = String(msg); + if (msg && !deprecate.cache[msg]) { + deprecate.cache[msg] = true; + emitWarning(msg, 'DeprecationWarning'); + } +}; +exports.deprecate.cache = {}; + +/** + * Show a generic warning. + * Ignores empty messages. + * + * @param {string} [msg] - Warning to print + * @private + */ +exports.warn = function warn(msg) { + if (msg) { + emitWarning(msg); + } +}; + +/** + * @summary + * This Filter based on `mocha-clean` module.(see: `github.com/rstacruz/mocha-clean`) + * @description + * When invoking this function you get a filter function that get the Error.stack as an input, + * and return a prettify output. + * (i.e: strip Mocha and internal node functions from stack trace). + * @returns {Function} + */ +exports.stackTraceFilter = function() { + // TODO: Replace with `process.browser` + var is = typeof document === 'undefined' ? {node: true} : {browser: true}; + var slash = path.sep; + var cwd; + if (is.node) { + cwd = process.cwd() + slash; + } else { + cwd = (typeof location === 'undefined' + ? window.location + : location + ).href.replace(/\/[^/]*$/, '/'); + slash = '/'; + } + + function isMochaInternal(line) { + return ( + ~line.indexOf('node_modules' + slash + 'mocha' + slash) || + ~line.indexOf(slash + 'mocha.js') || + ~line.indexOf(slash + 'mocha.min.js') + ); + } + + function isNodeInternal(line) { + return ( + ~line.indexOf('(timers.js:') || + ~line.indexOf('(events.js:') || + ~line.indexOf('(node.js:') || + ~line.indexOf('(module.js:') || + ~line.indexOf('GeneratorFunctionPrototype.next (native)') || + false + ); + } + + return function(stack) { + stack = stack.split('\n'); + + stack = stack.reduce(function(list, line) { + if (isMochaInternal(line)) { + return list; + } + + if (is.node && isNodeInternal(line)) { + return list; + } + + // Clean up cwd(absolute) + if (/:\d+:\d+\)?$/.test(line)) { + line = line.replace('(' + cwd, '('); + } + + list.push(line); + return list; + }, []); + + return stack.join('\n'); + }; +}; + +/** + * Crude, but effective. + * @public + * @param {*} value + * @returns {boolean} Whether or not `value` is a Promise + */ +exports.isPromise = function isPromise(value) { + return ( + typeof value === 'object' && + value !== null && + typeof value.then === 'function' + ); +}; + +/** + * Clamps a numeric value to an inclusive range. + * + * @param {number} value - Value to be clamped. + * @param {numer[]} range - Two element array specifying [min, max] range. + * @returns {number} clamped value + */ +exports.clamp = function clamp(value, range) { + return Math.min(Math.max(value, range[0]), range[1]); +}; + +/** + * Single quote text by combining with undirectional ASCII quotation marks. + * + * @description + * Provides a simple means of markup for quoting text to be used in output. + * Use this to quote names of variables, methods, and packages. + * + * package 'foo' cannot be found + * + * @private + * @param {string} str - Value to be quoted. + * @returns {string} quoted value + * @example + * sQuote('n') // => 'n' + */ +exports.sQuote = function(str) { + return "'" + str + "'"; +}; + +/** + * Double quote text by combining with undirectional ASCII quotation marks. + * + * @description + * Provides a simple means of markup for quoting text to be used in output. + * Use this to quote names of datatypes, classes, pathnames, and strings. + * + * argument 'value' must be "string" or "number" + * + * @private + * @param {string} str - Value to be quoted. + * @returns {string} quoted value + * @example + * dQuote('number') // => "number" + */ +exports.dQuote = function(str) { + return '"' + str + '"'; +}; + +/** + * Provides simplistic message translation for dealing with plurality. + * + * @description + * Use this to create messages which need to be singular or plural. + * Some languages have several plural forms, so _complete_ message clauses + * are preferable to generating the message on the fly. + * + * @private + * @param {number} n - Non-negative integer + * @param {string} msg1 - Message to be used in English for `n = 1` + * @param {string} msg2 - Message to be used in English for `n = 0, 2, 3, ...` + * @returns {string} message corresponding to value of `n` + * @example + * var sprintf = require('util').format; + * var pkgs = ['one', 'two']; + * var msg = sprintf( + * ngettext( + * pkgs.length, + * 'cannot load package: %s', + * 'cannot load packages: %s' + * ), + * pkgs.map(sQuote).join(', ') + * ); + * console.log(msg); // => cannot load packages: 'one', 'two' + */ +exports.ngettext = function(n, msg1, msg2) { + if (typeof n === 'number' && n >= 0) { + return n === 1 ? msg1 : msg2; + } +}; + +/** + * It's a noop. + * @public + */ +exports.noop = function() {}; + +/** + * Creates a map-like object. + * + * @description + * A "map" is an object with no prototype, for our purposes. In some cases + * this would be more appropriate than a `Map`, especially if your environment + * doesn't support it. Recommended for use in Mocha's public APIs. + * + * @public + * @see {@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map|MDN:Map} + * @see {@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/create#Custom_and_Null_objects|MDN:Object.create - Custom objects} + * @see {@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign|MDN:Object.assign} + * @param {...*} [obj] - Arguments to `Object.assign()`. + * @returns {Object} An object with no prototype, having `...obj` properties + */ +exports.createMap = function(obj) { + return assign.apply( + null, + [Object.create(null)].concat(Array.prototype.slice.call(arguments)) + ); +}; + +/** + * Creates a read-only map-like object. + * + * @description + * This differs from {@link module:utils.createMap createMap} only in that + * the argument must be non-empty, because the result is frozen. + * + * @see {@link module:utils.createMap createMap} + * @param {...*} [obj] - Arguments to `Object.assign()`. + * @returns {Object} A frozen object with no prototype, having `...obj` properties + * @throws {TypeError} if argument is not a non-empty object. + */ +exports.defineConstants = function(obj) { + if (type(obj) !== 'object' || !Object.keys(obj).length) { + throw new TypeError('Invalid argument; expected a non-empty object'); + } + return Object.freeze(exports.createMap(obj)); +}; + +}).call(this,require('_process'),require("buffer").Buffer) +},{"./errors":6,"_process":69,"buffer":43,"debug":45,"fs":42,"glob":42,"he":54,"object.assign":65,"path":42,"util":89}],39:[function(require,module,exports){ +'use strict' + +exports.byteLength = byteLength +exports.toByteArray = toByteArray +exports.fromByteArray = fromByteArray + +var lookup = [] +var revLookup = [] +var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array + +var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/' +for (var i = 0, len = code.length; i < len; ++i) { + lookup[i] = code[i] + revLookup[code.charCodeAt(i)] = i +} + +// Support decoding URL-safe base64 strings, as Node.js does. +// See: https://en.wikipedia.org/wiki/Base64#URL_applications +revLookup['-'.charCodeAt(0)] = 62 +revLookup['_'.charCodeAt(0)] = 63 + +function getLens (b64) { + var len = b64.length + + if (len % 4 > 0) { + throw new Error('Invalid string. Length must be a multiple of 4') + } + + // Trim off extra bytes after placeholder bytes are found + // See: https://github.com/beatgammit/base64-js/issues/42 + var validLen = b64.indexOf('=') + if (validLen === -1) validLen = len + + var placeHoldersLen = validLen === len + ? 0 + : 4 - (validLen % 4) + + return [validLen, placeHoldersLen] +} + +// base64 is 4/3 + up to two characters of the original data +function byteLength (b64) { + var lens = getLens(b64) + var validLen = lens[0] + var placeHoldersLen = lens[1] + return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen +} + +function _byteLength (b64, validLen, placeHoldersLen) { + return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen +} + +function toByteArray (b64) { + var tmp + var lens = getLens(b64) + var validLen = lens[0] + var placeHoldersLen = lens[1] + + var arr = new Arr(_byteLength(b64, validLen, placeHoldersLen)) + + var curByte = 0 + + // if there are placeholders, only get up to the last complete 4 chars + var len = placeHoldersLen > 0 + ? validLen - 4 + : validLen + + for (var i = 0; i < len; i += 4) { + tmp = + (revLookup[b64.charCodeAt(i)] << 18) | + (revLookup[b64.charCodeAt(i + 1)] << 12) | + (revLookup[b64.charCodeAt(i + 2)] << 6) | + revLookup[b64.charCodeAt(i + 3)] + arr[curByte++] = (tmp >> 16) & 0xFF + arr[curByte++] = (tmp >> 8) & 0xFF + arr[curByte++] = tmp & 0xFF + } + + if (placeHoldersLen === 2) { + tmp = + (revLookup[b64.charCodeAt(i)] << 2) | + (revLookup[b64.charCodeAt(i + 1)] >> 4) + arr[curByte++] = tmp & 0xFF + } + + if (placeHoldersLen === 1) { + tmp = + (revLookup[b64.charCodeAt(i)] << 10) | + (revLookup[b64.charCodeAt(i + 1)] << 4) | + (revLookup[b64.charCodeAt(i + 2)] >> 2) + arr[curByte++] = (tmp >> 8) & 0xFF + arr[curByte++] = tmp & 0xFF + } + + return arr +} + +function tripletToBase64 (num) { + return lookup[num >> 18 & 0x3F] + + lookup[num >> 12 & 0x3F] + + lookup[num >> 6 & 0x3F] + + lookup[num & 0x3F] +} + +function encodeChunk (uint8, start, end) { + var tmp + var output = [] + for (var i = start; i < end; i += 3) { + tmp = + ((uint8[i] << 16) & 0xFF0000) + + ((uint8[i + 1] << 8) & 0xFF00) + + (uint8[i + 2] & 0xFF) + output.push(tripletToBase64(tmp)) + } + return output.join('') +} + +function fromByteArray (uint8) { + var tmp + var len = uint8.length + var extraBytes = len % 3 // if we have 1 byte left, pad 2 bytes + var parts = [] + var maxChunkLength = 16383 // must be multiple of 3 + + // go through the array every three bytes, we'll deal with trailing stuff later + for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) { + parts.push(encodeChunk( + uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength) + )) + } + + // pad the end with zeros, but make sure to not forget the extra bytes + if (extraBytes === 1) { + tmp = uint8[len - 1] + parts.push( + lookup[tmp >> 2] + + lookup[(tmp << 4) & 0x3F] + + '==' + ) + } else if (extraBytes === 2) { + tmp = (uint8[len - 2] << 8) + uint8[len - 1] + parts.push( + lookup[tmp >> 10] + + lookup[(tmp >> 4) & 0x3F] + + lookup[(tmp << 2) & 0x3F] + + '=' + ) + } + + return parts.join('') +} + +},{}],40:[function(require,module,exports){ + +},{}],41:[function(require,module,exports){ +(function (process){ +var WritableStream = require('stream').Writable +var inherits = require('util').inherits + +module.exports = BrowserStdout + + +inherits(BrowserStdout, WritableStream) + +function BrowserStdout(opts) { + if (!(this instanceof BrowserStdout)) return new BrowserStdout(opts) + + opts = opts || {} + WritableStream.call(this, opts) + this.label = (opts.label !== undefined) ? opts.label : 'stdout' +} + +BrowserStdout.prototype._write = function(chunks, encoding, cb) { + var output = chunks.toString ? chunks.toString() : chunks + if (this.label === false) { + console.log(output) + } else { + console.log(this.label+':', output) + } + process.nextTick(cb) +} + +}).call(this,require('_process')) +},{"_process":69,"stream":84,"util":89}],42:[function(require,module,exports){ +arguments[4][40][0].apply(exports,arguments) +},{"dup":40}],43:[function(require,module,exports){ +(function (Buffer){ +/*! + * The buffer module from node.js, for the browser. + * + * @author Feross Aboukhadijeh + * @license MIT + */ +/* eslint-disable no-proto */ + +'use strict' + +var base64 = require('base64-js') +var ieee754 = require('ieee754') + +exports.Buffer = Buffer +exports.SlowBuffer = SlowBuffer +exports.INSPECT_MAX_BYTES = 50 + +var K_MAX_LENGTH = 0x7fffffff +exports.kMaxLength = K_MAX_LENGTH + +/** + * If `Buffer.TYPED_ARRAY_SUPPORT`: + * === true Use Uint8Array implementation (fastest) + * === false Print warning and recommend using `buffer` v4.x which has an Object + * implementation (most compatible, even IE6) + * + * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+, + * Opera 11.6+, iOS 4.2+. + * + * We report that the browser does not support typed arrays if the are not subclassable + * using __proto__. Firefox 4-29 lacks support for adding new properties to `Uint8Array` + * (See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438). IE 10 lacks support + * for __proto__ and has a buggy typed array implementation. + */ +Buffer.TYPED_ARRAY_SUPPORT = typedArraySupport() + +if (!Buffer.TYPED_ARRAY_SUPPORT && typeof console !== 'undefined' && + typeof console.error === 'function') { + console.error( + 'This browser lacks typed array (Uint8Array) support which is required by ' + + '`buffer` v5.x. Use `buffer` v4.x if you require old browser support.' + ) +} + +function typedArraySupport () { + // Can typed array instances can be augmented? + try { + var arr = new Uint8Array(1) + arr.__proto__ = { __proto__: Uint8Array.prototype, foo: function () { return 42 } } + return arr.foo() === 42 + } catch (e) { + return false + } +} + +Object.defineProperty(Buffer.prototype, 'parent', { + enumerable: true, + get: function () { + if (!Buffer.isBuffer(this)) return undefined + return this.buffer + } +}) + +Object.defineProperty(Buffer.prototype, 'offset', { + enumerable: true, + get: function () { + if (!Buffer.isBuffer(this)) return undefined + return this.byteOffset + } +}) + +function createBuffer (length) { + if (length > K_MAX_LENGTH) { + throw new RangeError('The value "' + length + '" is invalid for option "size"') + } + // Return an augmented `Uint8Array` instance + var buf = new Uint8Array(length) + buf.__proto__ = Buffer.prototype + return buf +} + +/** + * The Buffer constructor returns instances of `Uint8Array` that have their + * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of + * `Uint8Array`, so the returned instances will have all the node `Buffer` methods + * and the `Uint8Array` methods. Square bracket notation works as expected -- it + * returns a single octet. + * + * The `Uint8Array` prototype remains unmodified. + */ + +function Buffer (arg, encodingOrOffset, length) { + // Common case. + if (typeof arg === 'number') { + if (typeof encodingOrOffset === 'string') { + throw new TypeError( + 'The "string" argument must be of type string. Received type number' + ) + } + return allocUnsafe(arg) + } + return from(arg, encodingOrOffset, length) +} + +// Fix subarray() in ES2016. See: https://github.com/feross/buffer/pull/97 +if (typeof Symbol !== 'undefined' && Symbol.species != null && + Buffer[Symbol.species] === Buffer) { + Object.defineProperty(Buffer, Symbol.species, { + value: null, + configurable: true, + enumerable: false, + writable: false + }) +} + +Buffer.poolSize = 8192 // not used by this implementation + +function from (value, encodingOrOffset, length) { + if (typeof value === 'string') { + return fromString(value, encodingOrOffset) + } + + if (ArrayBuffer.isView(value)) { + return fromArrayLike(value) + } + + if (value == null) { + throw TypeError( + 'The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' + + 'or Array-like Object. Received type ' + (typeof value) + ) + } + + if (isInstance(value, ArrayBuffer) || + (value && isInstance(value.buffer, ArrayBuffer))) { + return fromArrayBuffer(value, encodingOrOffset, length) + } + + if (typeof value === 'number') { + throw new TypeError( + 'The "value" argument must not be of type number. Received type number' + ) + } + + var valueOf = value.valueOf && value.valueOf() + if (valueOf != null && valueOf !== value) { + return Buffer.from(valueOf, encodingOrOffset, length) + } + + var b = fromObject(value) + if (b) return b + + if (typeof Symbol !== 'undefined' && Symbol.toPrimitive != null && + typeof value[Symbol.toPrimitive] === 'function') { + return Buffer.from( + value[Symbol.toPrimitive]('string'), encodingOrOffset, length + ) + } + + throw new TypeError( + 'The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' + + 'or Array-like Object. Received type ' + (typeof value) + ) +} + +/** + * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError + * if value is a number. + * Buffer.from(str[, encoding]) + * Buffer.from(array) + * Buffer.from(buffer) + * Buffer.from(arrayBuffer[, byteOffset[, length]]) + **/ +Buffer.from = function (value, encodingOrOffset, length) { + return from(value, encodingOrOffset, length) +} + +// Note: Change prototype *after* Buffer.from is defined to workaround Chrome bug: +// https://github.com/feross/buffer/pull/148 +Buffer.prototype.__proto__ = Uint8Array.prototype +Buffer.__proto__ = Uint8Array + +function assertSize (size) { + if (typeof size !== 'number') { + throw new TypeError('"size" argument must be of type number') + } else if (size < 0) { + throw new RangeError('The value "' + size + '" is invalid for option "size"') + } +} + +function alloc (size, fill, encoding) { + assertSize(size) + if (size <= 0) { + return createBuffer(size) + } + if (fill !== undefined) { + // Only pay attention to encoding if it's a string. This + // prevents accidentally sending in a number that would + // be interpretted as a start offset. + return typeof encoding === 'string' + ? createBuffer(size).fill(fill, encoding) + : createBuffer(size).fill(fill) + } + return createBuffer(size) +} + +/** + * Creates a new filled Buffer instance. + * alloc(size[, fill[, encoding]]) + **/ +Buffer.alloc = function (size, fill, encoding) { + return alloc(size, fill, encoding) +} + +function allocUnsafe (size) { + assertSize(size) + return createBuffer(size < 0 ? 0 : checked(size) | 0) +} + +/** + * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance. + * */ +Buffer.allocUnsafe = function (size) { + return allocUnsafe(size) +} +/** + * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance. + */ +Buffer.allocUnsafeSlow = function (size) { + return allocUnsafe(size) +} + +function fromString (string, encoding) { + if (typeof encoding !== 'string' || encoding === '') { + encoding = 'utf8' + } + + if (!Buffer.isEncoding(encoding)) { + throw new TypeError('Unknown encoding: ' + encoding) + } + + var length = byteLength(string, encoding) | 0 + var buf = createBuffer(length) + + var actual = buf.write(string, encoding) + + if (actual !== length) { + // Writing a hex string, for example, that contains invalid characters will + // cause everything after the first invalid character to be ignored. (e.g. + // 'abxxcd' will be treated as 'ab') + buf = buf.slice(0, actual) + } + + return buf +} + +function fromArrayLike (array) { + var length = array.length < 0 ? 0 : checked(array.length) | 0 + var buf = createBuffer(length) + for (var i = 0; i < length; i += 1) { + buf[i] = array[i] & 255 + } + return buf +} + +function fromArrayBuffer (array, byteOffset, length) { + if (byteOffset < 0 || array.byteLength < byteOffset) { + throw new RangeError('"offset" is outside of buffer bounds') + } + + if (array.byteLength < byteOffset + (length || 0)) { + throw new RangeError('"length" is outside of buffer bounds') + } + + var buf + if (byteOffset === undefined && length === undefined) { + buf = new Uint8Array(array) + } else if (length === undefined) { + buf = new Uint8Array(array, byteOffset) + } else { + buf = new Uint8Array(array, byteOffset, length) + } + + // Return an augmented `Uint8Array` instance + buf.__proto__ = Buffer.prototype + return buf +} + +function fromObject (obj) { + if (Buffer.isBuffer(obj)) { + var len = checked(obj.length) | 0 + var buf = createBuffer(len) + + if (buf.length === 0) { + return buf + } + + obj.copy(buf, 0, 0, len) + return buf + } + + if (obj.length !== undefined) { + if (typeof obj.length !== 'number' || numberIsNaN(obj.length)) { + return createBuffer(0) + } + return fromArrayLike(obj) + } + + if (obj.type === 'Buffer' && Array.isArray(obj.data)) { + return fromArrayLike(obj.data) + } +} + +function checked (length) { + // Note: cannot use `length < K_MAX_LENGTH` here because that fails when + // length is NaN (which is otherwise coerced to zero.) + if (length >= K_MAX_LENGTH) { + throw new RangeError('Attempt to allocate Buffer larger than maximum ' + + 'size: 0x' + K_MAX_LENGTH.toString(16) + ' bytes') + } + return length | 0 +} + +function SlowBuffer (length) { + if (+length != length) { // eslint-disable-line eqeqeq + length = 0 + } + return Buffer.alloc(+length) +} + +Buffer.isBuffer = function isBuffer (b) { + return b != null && b._isBuffer === true && + b !== Buffer.prototype // so Buffer.isBuffer(Buffer.prototype) will be false +} + +Buffer.compare = function compare (a, b) { + if (isInstance(a, Uint8Array)) a = Buffer.from(a, a.offset, a.byteLength) + if (isInstance(b, Uint8Array)) b = Buffer.from(b, b.offset, b.byteLength) + if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) { + throw new TypeError( + 'The "buf1", "buf2" arguments must be one of type Buffer or Uint8Array' + ) + } + + if (a === b) return 0 + + var x = a.length + var y = b.length + + for (var i = 0, len = Math.min(x, y); i < len; ++i) { + if (a[i] !== b[i]) { + x = a[i] + y = b[i] + break + } + } + + if (x < y) return -1 + if (y < x) return 1 + return 0 +} + +Buffer.isEncoding = function isEncoding (encoding) { + switch (String(encoding).toLowerCase()) { + case 'hex': + case 'utf8': + case 'utf-8': + case 'ascii': + case 'latin1': + case 'binary': + case 'base64': + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + return true + default: + return false + } +} + +Buffer.concat = function concat (list, length) { + if (!Array.isArray(list)) { + throw new TypeError('"list" argument must be an Array of Buffers') + } + + if (list.length === 0) { + return Buffer.alloc(0) + } + + var i + if (length === undefined) { + length = 0 + for (i = 0; i < list.length; ++i) { + length += list[i].length + } + } + + var buffer = Buffer.allocUnsafe(length) + var pos = 0 + for (i = 0; i < list.length; ++i) { + var buf = list[i] + if (isInstance(buf, Uint8Array)) { + buf = Buffer.from(buf) + } + if (!Buffer.isBuffer(buf)) { + throw new TypeError('"list" argument must be an Array of Buffers') + } + buf.copy(buffer, pos) + pos += buf.length + } + return buffer +} + +function byteLength (string, encoding) { + if (Buffer.isBuffer(string)) { + return string.length + } + if (ArrayBuffer.isView(string) || isInstance(string, ArrayBuffer)) { + return string.byteLength + } + if (typeof string !== 'string') { + throw new TypeError( + 'The "string" argument must be one of type string, Buffer, or ArrayBuffer. ' + + 'Received type ' + typeof string + ) + } + + var len = string.length + var mustMatch = (arguments.length > 2 && arguments[2] === true) + if (!mustMatch && len === 0) return 0 + + // Use a for loop to avoid recursion + var loweredCase = false + for (;;) { + switch (encoding) { + case 'ascii': + case 'latin1': + case 'binary': + return len + case 'utf8': + case 'utf-8': + return utf8ToBytes(string).length + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + return len * 2 + case 'hex': + return len >>> 1 + case 'base64': + return base64ToBytes(string).length + default: + if (loweredCase) { + return mustMatch ? -1 : utf8ToBytes(string).length // assume utf8 + } + encoding = ('' + encoding).toLowerCase() + loweredCase = true + } + } +} +Buffer.byteLength = byteLength + +function slowToString (encoding, start, end) { + var loweredCase = false + + // No need to verify that "this.length <= MAX_UINT32" since it's a read-only + // property of a typed array. + + // This behaves neither like String nor Uint8Array in that we set start/end + // to their upper/lower bounds if the value passed is out of range. + // undefined is handled specially as per ECMA-262 6th Edition, + // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization. + if (start === undefined || start < 0) { + start = 0 + } + // Return early if start > this.length. Done here to prevent potential uint32 + // coercion fail below. + if (start > this.length) { + return '' + } + + if (end === undefined || end > this.length) { + end = this.length + } + + if (end <= 0) { + return '' + } + + // Force coersion to uint32. This will also coerce falsey/NaN values to 0. + end >>>= 0 + start >>>= 0 + + if (end <= start) { + return '' + } + + if (!encoding) encoding = 'utf8' + + while (true) { + switch (encoding) { + case 'hex': + return hexSlice(this, start, end) + + case 'utf8': + case 'utf-8': + return utf8Slice(this, start, end) + + case 'ascii': + return asciiSlice(this, start, end) + + case 'latin1': + case 'binary': + return latin1Slice(this, start, end) + + case 'base64': + return base64Slice(this, start, end) + + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + return utf16leSlice(this, start, end) + + default: + if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding) + encoding = (encoding + '').toLowerCase() + loweredCase = true + } + } +} + +// This property is used by `Buffer.isBuffer` (and the `is-buffer` npm package) +// to detect a Buffer instance. It's not possible to use `instanceof Buffer` +// reliably in a browserify context because there could be multiple different +// copies of the 'buffer' package in use. This method works even for Buffer +// instances that were created from another copy of the `buffer` package. +// See: https://github.com/feross/buffer/issues/154 +Buffer.prototype._isBuffer = true + +function swap (b, n, m) { + var i = b[n] + b[n] = b[m] + b[m] = i +} + +Buffer.prototype.swap16 = function swap16 () { + var len = this.length + if (len % 2 !== 0) { + throw new RangeError('Buffer size must be a multiple of 16-bits') + } + for (var i = 0; i < len; i += 2) { + swap(this, i, i + 1) + } + return this +} + +Buffer.prototype.swap32 = function swap32 () { + var len = this.length + if (len % 4 !== 0) { + throw new RangeError('Buffer size must be a multiple of 32-bits') + } + for (var i = 0; i < len; i += 4) { + swap(this, i, i + 3) + swap(this, i + 1, i + 2) + } + return this +} + +Buffer.prototype.swap64 = function swap64 () { + var len = this.length + if (len % 8 !== 0) { + throw new RangeError('Buffer size must be a multiple of 64-bits') + } + for (var i = 0; i < len; i += 8) { + swap(this, i, i + 7) + swap(this, i + 1, i + 6) + swap(this, i + 2, i + 5) + swap(this, i + 3, i + 4) + } + return this +} + +Buffer.prototype.toString = function toString () { + var length = this.length + if (length === 0) return '' + if (arguments.length === 0) return utf8Slice(this, 0, length) + return slowToString.apply(this, arguments) +} + +Buffer.prototype.toLocaleString = Buffer.prototype.toString + +Buffer.prototype.equals = function equals (b) { + if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer') + if (this === b) return true + return Buffer.compare(this, b) === 0 +} + +Buffer.prototype.inspect = function inspect () { + var str = '' + var max = exports.INSPECT_MAX_BYTES + str = this.toString('hex', 0, max).replace(/(.{2})/g, '$1 ').trim() + if (this.length > max) str += ' ... ' + return '' +} + +Buffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) { + if (isInstance(target, Uint8Array)) { + target = Buffer.from(target, target.offset, target.byteLength) + } + if (!Buffer.isBuffer(target)) { + throw new TypeError( + 'The "target" argument must be one of type Buffer or Uint8Array. ' + + 'Received type ' + (typeof target) + ) + } + + if (start === undefined) { + start = 0 + } + if (end === undefined) { + end = target ? target.length : 0 + } + if (thisStart === undefined) { + thisStart = 0 + } + if (thisEnd === undefined) { + thisEnd = this.length + } + + if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) { + throw new RangeError('out of range index') + } + + if (thisStart >= thisEnd && start >= end) { + return 0 + } + if (thisStart >= thisEnd) { + return -1 + } + if (start >= end) { + return 1 + } + + start >>>= 0 + end >>>= 0 + thisStart >>>= 0 + thisEnd >>>= 0 + + if (this === target) return 0 + + var x = thisEnd - thisStart + var y = end - start + var len = Math.min(x, y) + + var thisCopy = this.slice(thisStart, thisEnd) + var targetCopy = target.slice(start, end) + + for (var i = 0; i < len; ++i) { + if (thisCopy[i] !== targetCopy[i]) { + x = thisCopy[i] + y = targetCopy[i] + break + } + } + + if (x < y) return -1 + if (y < x) return 1 + return 0 +} + +// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`, +// OR the last index of `val` in `buffer` at offset <= `byteOffset`. +// +// Arguments: +// - buffer - a Buffer to search +// - val - a string, Buffer, or number +// - byteOffset - an index into `buffer`; will be clamped to an int32 +// - encoding - an optional encoding, relevant is val is a string +// - dir - true for indexOf, false for lastIndexOf +function bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) { + // Empty buffer means no match + if (buffer.length === 0) return -1 + + // Normalize byteOffset + if (typeof byteOffset === 'string') { + encoding = byteOffset + byteOffset = 0 + } else if (byteOffset > 0x7fffffff) { + byteOffset = 0x7fffffff + } else if (byteOffset < -0x80000000) { + byteOffset = -0x80000000 + } + byteOffset = +byteOffset // Coerce to Number. + if (numberIsNaN(byteOffset)) { + // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer + byteOffset = dir ? 0 : (buffer.length - 1) + } + + // Normalize byteOffset: negative offsets start from the end of the buffer + if (byteOffset < 0) byteOffset = buffer.length + byteOffset + if (byteOffset >= buffer.length) { + if (dir) return -1 + else byteOffset = buffer.length - 1 + } else if (byteOffset < 0) { + if (dir) byteOffset = 0 + else return -1 + } + + // Normalize val + if (typeof val === 'string') { + val = Buffer.from(val, encoding) + } + + // Finally, search either indexOf (if dir is true) or lastIndexOf + if (Buffer.isBuffer(val)) { + // Special case: looking for empty string/buffer always fails + if (val.length === 0) { + return -1 + } + return arrayIndexOf(buffer, val, byteOffset, encoding, dir) + } else if (typeof val === 'number') { + val = val & 0xFF // Search for a byte value [0-255] + if (typeof Uint8Array.prototype.indexOf === 'function') { + if (dir) { + return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset) + } else { + return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset) + } + } + return arrayIndexOf(buffer, [ val ], byteOffset, encoding, dir) + } + + throw new TypeError('val must be string, number or Buffer') +} + +function arrayIndexOf (arr, val, byteOffset, encoding, dir) { + var indexSize = 1 + var arrLength = arr.length + var valLength = val.length + + if (encoding !== undefined) { + encoding = String(encoding).toLowerCase() + if (encoding === 'ucs2' || encoding === 'ucs-2' || + encoding === 'utf16le' || encoding === 'utf-16le') { + if (arr.length < 2 || val.length < 2) { + return -1 + } + indexSize = 2 + arrLength /= 2 + valLength /= 2 + byteOffset /= 2 + } + } + + function read (buf, i) { + if (indexSize === 1) { + return buf[i] + } else { + return buf.readUInt16BE(i * indexSize) + } + } + + var i + if (dir) { + var foundIndex = -1 + for (i = byteOffset; i < arrLength; i++) { + if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) { + if (foundIndex === -1) foundIndex = i + if (i - foundIndex + 1 === valLength) return foundIndex * indexSize + } else { + if (foundIndex !== -1) i -= i - foundIndex + foundIndex = -1 + } + } + } else { + if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength + for (i = byteOffset; i >= 0; i--) { + var found = true + for (var j = 0; j < valLength; j++) { + if (read(arr, i + j) !== read(val, j)) { + found = false + break + } + } + if (found) return i + } + } + + return -1 +} + +Buffer.prototype.includes = function includes (val, byteOffset, encoding) { + return this.indexOf(val, byteOffset, encoding) !== -1 +} + +Buffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) { + return bidirectionalIndexOf(this, val, byteOffset, encoding, true) +} + +Buffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) { + return bidirectionalIndexOf(this, val, byteOffset, encoding, false) +} + +function hexWrite (buf, string, offset, length) { + offset = Number(offset) || 0 + var remaining = buf.length - offset + if (!length) { + length = remaining + } else { + length = Number(length) + if (length > remaining) { + length = remaining + } + } + + var strLen = string.length + + if (length > strLen / 2) { + length = strLen / 2 + } + for (var i = 0; i < length; ++i) { + var parsed = parseInt(string.substr(i * 2, 2), 16) + if (numberIsNaN(parsed)) return i + buf[offset + i] = parsed + } + return i +} + +function utf8Write (buf, string, offset, length) { + return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length) +} + +function asciiWrite (buf, string, offset, length) { + return blitBuffer(asciiToBytes(string), buf, offset, length) +} + +function latin1Write (buf, string, offset, length) { + return asciiWrite(buf, string, offset, length) +} + +function base64Write (buf, string, offset, length) { + return blitBuffer(base64ToBytes(string), buf, offset, length) +} + +function ucs2Write (buf, string, offset, length) { + return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length) +} + +Buffer.prototype.write = function write (string, offset, length, encoding) { + // Buffer#write(string) + if (offset === undefined) { + encoding = 'utf8' + length = this.length + offset = 0 + // Buffer#write(string, encoding) + } else if (length === undefined && typeof offset === 'string') { + encoding = offset + length = this.length + offset = 0 + // Buffer#write(string, offset[, length][, encoding]) + } else if (isFinite(offset)) { + offset = offset >>> 0 + if (isFinite(length)) { + length = length >>> 0 + if (encoding === undefined) encoding = 'utf8' + } else { + encoding = length + length = undefined + } + } else { + throw new Error( + 'Buffer.write(string, encoding, offset[, length]) is no longer supported' + ) + } + + var remaining = this.length - offset + if (length === undefined || length > remaining) length = remaining + + if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) { + throw new RangeError('Attempt to write outside buffer bounds') + } + + if (!encoding) encoding = 'utf8' + + var loweredCase = false + for (;;) { + switch (encoding) { + case 'hex': + return hexWrite(this, string, offset, length) + + case 'utf8': + case 'utf-8': + return utf8Write(this, string, offset, length) + + case 'ascii': + return asciiWrite(this, string, offset, length) + + case 'latin1': + case 'binary': + return latin1Write(this, string, offset, length) + + case 'base64': + // Warning: maxLength not taken into account in base64Write + return base64Write(this, string, offset, length) + + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + return ucs2Write(this, string, offset, length) + + default: + if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding) + encoding = ('' + encoding).toLowerCase() + loweredCase = true + } + } +} + +Buffer.prototype.toJSON = function toJSON () { + return { + type: 'Buffer', + data: Array.prototype.slice.call(this._arr || this, 0) + } +} + +function base64Slice (buf, start, end) { + if (start === 0 && end === buf.length) { + return base64.fromByteArray(buf) + } else { + return base64.fromByteArray(buf.slice(start, end)) + } +} + +function utf8Slice (buf, start, end) { + end = Math.min(buf.length, end) + var res = [] + + var i = start + while (i < end) { + var firstByte = buf[i] + var codePoint = null + var bytesPerSequence = (firstByte > 0xEF) ? 4 + : (firstByte > 0xDF) ? 3 + : (firstByte > 0xBF) ? 2 + : 1 + + if (i + bytesPerSequence <= end) { + var secondByte, thirdByte, fourthByte, tempCodePoint + + switch (bytesPerSequence) { + case 1: + if (firstByte < 0x80) { + codePoint = firstByte + } + break + case 2: + secondByte = buf[i + 1] + if ((secondByte & 0xC0) === 0x80) { + tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F) + if (tempCodePoint > 0x7F) { + codePoint = tempCodePoint + } + } + break + case 3: + secondByte = buf[i + 1] + thirdByte = buf[i + 2] + if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) { + tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F) + if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) { + codePoint = tempCodePoint + } + } + break + case 4: + secondByte = buf[i + 1] + thirdByte = buf[i + 2] + fourthByte = buf[i + 3] + if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) { + tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F) + if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) { + codePoint = tempCodePoint + } + } + } + } + + if (codePoint === null) { + // we did not generate a valid codePoint so insert a + // replacement char (U+FFFD) and advance only 1 byte + codePoint = 0xFFFD + bytesPerSequence = 1 + } else if (codePoint > 0xFFFF) { + // encode to utf16 (surrogate pair dance) + codePoint -= 0x10000 + res.push(codePoint >>> 10 & 0x3FF | 0xD800) + codePoint = 0xDC00 | codePoint & 0x3FF + } + + res.push(codePoint) + i += bytesPerSequence + } + + return decodeCodePointsArray(res) +} + +// Based on http://stackoverflow.com/a/22747272/680742, the browser with +// the lowest limit is Chrome, with 0x10000 args. +// We go 1 magnitude less, for safety +var MAX_ARGUMENTS_LENGTH = 0x1000 + +function decodeCodePointsArray (codePoints) { + var len = codePoints.length + if (len <= MAX_ARGUMENTS_LENGTH) { + return String.fromCharCode.apply(String, codePoints) // avoid extra slice() + } + + // Decode in chunks to avoid "call stack size exceeded". + var res = '' + var i = 0 + while (i < len) { + res += String.fromCharCode.apply( + String, + codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH) + ) + } + return res +} + +function asciiSlice (buf, start, end) { + var ret = '' + end = Math.min(buf.length, end) + + for (var i = start; i < end; ++i) { + ret += String.fromCharCode(buf[i] & 0x7F) + } + return ret +} + +function latin1Slice (buf, start, end) { + var ret = '' + end = Math.min(buf.length, end) + + for (var i = start; i < end; ++i) { + ret += String.fromCharCode(buf[i]) + } + return ret +} + +function hexSlice (buf, start, end) { + var len = buf.length + + if (!start || start < 0) start = 0 + if (!end || end < 0 || end > len) end = len + + var out = '' + for (var i = start; i < end; ++i) { + out += toHex(buf[i]) + } + return out +} + +function utf16leSlice (buf, start, end) { + var bytes = buf.slice(start, end) + var res = '' + for (var i = 0; i < bytes.length; i += 2) { + res += String.fromCharCode(bytes[i] + (bytes[i + 1] * 256)) + } + return res +} + +Buffer.prototype.slice = function slice (start, end) { + var len = this.length + start = ~~start + end = end === undefined ? len : ~~end + + if (start < 0) { + start += len + if (start < 0) start = 0 + } else if (start > len) { + start = len + } + + if (end < 0) { + end += len + if (end < 0) end = 0 + } else if (end > len) { + end = len + } + + if (end < start) end = start + + var newBuf = this.subarray(start, end) + // Return an augmented `Uint8Array` instance + newBuf.__proto__ = Buffer.prototype + return newBuf +} + +/* + * Need to make sure that buffer isn't trying to write out of bounds. + */ +function checkOffset (offset, ext, length) { + if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint') + if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length') +} + +Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) { + offset = offset >>> 0 + byteLength = byteLength >>> 0 + if (!noAssert) checkOffset(offset, byteLength, this.length) + + var val = this[offset] + var mul = 1 + var i = 0 + while (++i < byteLength && (mul *= 0x100)) { + val += this[offset + i] * mul + } + + return val +} + +Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) { + offset = offset >>> 0 + byteLength = byteLength >>> 0 + if (!noAssert) { + checkOffset(offset, byteLength, this.length) + } + + var val = this[offset + --byteLength] + var mul = 1 + while (byteLength > 0 && (mul *= 0x100)) { + val += this[offset + --byteLength] * mul + } + + return val +} + +Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) { + offset = offset >>> 0 + if (!noAssert) checkOffset(offset, 1, this.length) + return this[offset] +} + +Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) { + offset = offset >>> 0 + if (!noAssert) checkOffset(offset, 2, this.length) + return this[offset] | (this[offset + 1] << 8) +} + +Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) { + offset = offset >>> 0 + if (!noAssert) checkOffset(offset, 2, this.length) + return (this[offset] << 8) | this[offset + 1] +} + +Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) { + offset = offset >>> 0 + if (!noAssert) checkOffset(offset, 4, this.length) + + return ((this[offset]) | + (this[offset + 1] << 8) | + (this[offset + 2] << 16)) + + (this[offset + 3] * 0x1000000) +} + +Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) { + offset = offset >>> 0 + if (!noAssert) checkOffset(offset, 4, this.length) + + return (this[offset] * 0x1000000) + + ((this[offset + 1] << 16) | + (this[offset + 2] << 8) | + this[offset + 3]) +} + +Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) { + offset = offset >>> 0 + byteLength = byteLength >>> 0 + if (!noAssert) checkOffset(offset, byteLength, this.length) + + var val = this[offset] + var mul = 1 + var i = 0 + while (++i < byteLength && (mul *= 0x100)) { + val += this[offset + i] * mul + } + mul *= 0x80 + + if (val >= mul) val -= Math.pow(2, 8 * byteLength) + + return val +} + +Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) { + offset = offset >>> 0 + byteLength = byteLength >>> 0 + if (!noAssert) checkOffset(offset, byteLength, this.length) + + var i = byteLength + var mul = 1 + var val = this[offset + --i] + while (i > 0 && (mul *= 0x100)) { + val += this[offset + --i] * mul + } + mul *= 0x80 + + if (val >= mul) val -= Math.pow(2, 8 * byteLength) + + return val +} + +Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) { + offset = offset >>> 0 + if (!noAssert) checkOffset(offset, 1, this.length) + if (!(this[offset] & 0x80)) return (this[offset]) + return ((0xff - this[offset] + 1) * -1) +} + +Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) { + offset = offset >>> 0 + if (!noAssert) checkOffset(offset, 2, this.length) + var val = this[offset] | (this[offset + 1] << 8) + return (val & 0x8000) ? val | 0xFFFF0000 : val +} + +Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) { + offset = offset >>> 0 + if (!noAssert) checkOffset(offset, 2, this.length) + var val = this[offset + 1] | (this[offset] << 8) + return (val & 0x8000) ? val | 0xFFFF0000 : val +} + +Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) { + offset = offset >>> 0 + if (!noAssert) checkOffset(offset, 4, this.length) + + return (this[offset]) | + (this[offset + 1] << 8) | + (this[offset + 2] << 16) | + (this[offset + 3] << 24) +} + +Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) { + offset = offset >>> 0 + if (!noAssert) checkOffset(offset, 4, this.length) + + return (this[offset] << 24) | + (this[offset + 1] << 16) | + (this[offset + 2] << 8) | + (this[offset + 3]) +} + +Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) { + offset = offset >>> 0 + if (!noAssert) checkOffset(offset, 4, this.length) + return ieee754.read(this, offset, true, 23, 4) +} + +Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) { + offset = offset >>> 0 + if (!noAssert) checkOffset(offset, 4, this.length) + return ieee754.read(this, offset, false, 23, 4) +} + +Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) { + offset = offset >>> 0 + if (!noAssert) checkOffset(offset, 8, this.length) + return ieee754.read(this, offset, true, 52, 8) +} + +Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) { + offset = offset >>> 0 + if (!noAssert) checkOffset(offset, 8, this.length) + return ieee754.read(this, offset, false, 52, 8) +} + +function checkInt (buf, value, offset, ext, max, min) { + if (!Buffer.isBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance') + if (value > max || value < min) throw new RangeError('"value" argument is out of bounds') + if (offset + ext > buf.length) throw new RangeError('Index out of range') +} + +Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) { + value = +value + offset = offset >>> 0 + byteLength = byteLength >>> 0 + if (!noAssert) { + var maxBytes = Math.pow(2, 8 * byteLength) - 1 + checkInt(this, value, offset, byteLength, maxBytes, 0) + } + + var mul = 1 + var i = 0 + this[offset] = value & 0xFF + while (++i < byteLength && (mul *= 0x100)) { + this[offset + i] = (value / mul) & 0xFF + } + + return offset + byteLength +} + +Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) { + value = +value + offset = offset >>> 0 + byteLength = byteLength >>> 0 + if (!noAssert) { + var maxBytes = Math.pow(2, 8 * byteLength) - 1 + checkInt(this, value, offset, byteLength, maxBytes, 0) + } + + var i = byteLength - 1 + var mul = 1 + this[offset + i] = value & 0xFF + while (--i >= 0 && (mul *= 0x100)) { + this[offset + i] = (value / mul) & 0xFF + } + + return offset + byteLength +} + +Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0) + this[offset] = (value & 0xff) + return offset + 1 +} + +Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0) + this[offset] = (value & 0xff) + this[offset + 1] = (value >>> 8) + return offset + 2 +} + +Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0) + this[offset] = (value >>> 8) + this[offset + 1] = (value & 0xff) + return offset + 2 +} + +Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0) + this[offset + 3] = (value >>> 24) + this[offset + 2] = (value >>> 16) + this[offset + 1] = (value >>> 8) + this[offset] = (value & 0xff) + return offset + 4 +} + +Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0) + this[offset] = (value >>> 24) + this[offset + 1] = (value >>> 16) + this[offset + 2] = (value >>> 8) + this[offset + 3] = (value & 0xff) + return offset + 4 +} + +Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) { + var limit = Math.pow(2, (8 * byteLength) - 1) + + checkInt(this, value, offset, byteLength, limit - 1, -limit) + } + + var i = 0 + var mul = 1 + var sub = 0 + this[offset] = value & 0xFF + while (++i < byteLength && (mul *= 0x100)) { + if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) { + sub = 1 + } + this[offset + i] = ((value / mul) >> 0) - sub & 0xFF + } + + return offset + byteLength +} + +Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) { + var limit = Math.pow(2, (8 * byteLength) - 1) + + checkInt(this, value, offset, byteLength, limit - 1, -limit) + } + + var i = byteLength - 1 + var mul = 1 + var sub = 0 + this[offset + i] = value & 0xFF + while (--i >= 0 && (mul *= 0x100)) { + if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) { + sub = 1 + } + this[offset + i] = ((value / mul) >> 0) - sub & 0xFF + } + + return offset + byteLength +} + +Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80) + if (value < 0) value = 0xff + value + 1 + this[offset] = (value & 0xff) + return offset + 1 +} + +Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000) + this[offset] = (value & 0xff) + this[offset + 1] = (value >>> 8) + return offset + 2 +} + +Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000) + this[offset] = (value >>> 8) + this[offset + 1] = (value & 0xff) + return offset + 2 +} + +Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000) + this[offset] = (value & 0xff) + this[offset + 1] = (value >>> 8) + this[offset + 2] = (value >>> 16) + this[offset + 3] = (value >>> 24) + return offset + 4 +} + +Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000) + if (value < 0) value = 0xffffffff + value + 1 + this[offset] = (value >>> 24) + this[offset + 1] = (value >>> 16) + this[offset + 2] = (value >>> 8) + this[offset + 3] = (value & 0xff) + return offset + 4 +} + +function checkIEEE754 (buf, value, offset, ext, max, min) { + if (offset + ext > buf.length) throw new RangeError('Index out of range') + if (offset < 0) throw new RangeError('Index out of range') +} + +function writeFloat (buf, value, offset, littleEndian, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) { + checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38) + } + ieee754.write(buf, value, offset, littleEndian, 23, 4) + return offset + 4 +} + +Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) { + return writeFloat(this, value, offset, true, noAssert) +} + +Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) { + return writeFloat(this, value, offset, false, noAssert) +} + +function writeDouble (buf, value, offset, littleEndian, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) { + checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308) + } + ieee754.write(buf, value, offset, littleEndian, 52, 8) + return offset + 8 +} + +Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) { + return writeDouble(this, value, offset, true, noAssert) +} + +Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) { + return writeDouble(this, value, offset, false, noAssert) +} + +// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length) +Buffer.prototype.copy = function copy (target, targetStart, start, end) { + if (!Buffer.isBuffer(target)) throw new TypeError('argument should be a Buffer') + if (!start) start = 0 + if (!end && end !== 0) end = this.length + if (targetStart >= target.length) targetStart = target.length + if (!targetStart) targetStart = 0 + if (end > 0 && end < start) end = start + + // Copy 0 bytes; we're done + if (end === start) return 0 + if (target.length === 0 || this.length === 0) return 0 + + // Fatal error conditions + if (targetStart < 0) { + throw new RangeError('targetStart out of bounds') + } + if (start < 0 || start >= this.length) throw new RangeError('Index out of range') + if (end < 0) throw new RangeError('sourceEnd out of bounds') + + // Are we oob? + if (end > this.length) end = this.length + if (target.length - targetStart < end - start) { + end = target.length - targetStart + start + } + + var len = end - start + + if (this === target && typeof Uint8Array.prototype.copyWithin === 'function') { + // Use built-in when available, missing from IE11 + this.copyWithin(targetStart, start, end) + } else if (this === target && start < targetStart && targetStart < end) { + // descending copy from end + for (var i = len - 1; i >= 0; --i) { + target[i + targetStart] = this[i + start] + } + } else { + Uint8Array.prototype.set.call( + target, + this.subarray(start, end), + targetStart + ) + } + + return len +} + +// Usage: +// buffer.fill(number[, offset[, end]]) +// buffer.fill(buffer[, offset[, end]]) +// buffer.fill(string[, offset[, end]][, encoding]) +Buffer.prototype.fill = function fill (val, start, end, encoding) { + // Handle string cases: + if (typeof val === 'string') { + if (typeof start === 'string') { + encoding = start + start = 0 + end = this.length + } else if (typeof end === 'string') { + encoding = end + end = this.length + } + if (encoding !== undefined && typeof encoding !== 'string') { + throw new TypeError('encoding must be a string') + } + if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) { + throw new TypeError('Unknown encoding: ' + encoding) + } + if (val.length === 1) { + var code = val.charCodeAt(0) + if ((encoding === 'utf8' && code < 128) || + encoding === 'latin1') { + // Fast path: If `val` fits into a single byte, use that numeric value. + val = code + } + } + } else if (typeof val === 'number') { + val = val & 255 + } + + // Invalid ranges are not set to a default, so can range check early. + if (start < 0 || this.length < start || this.length < end) { + throw new RangeError('Out of range index') + } + + if (end <= start) { + return this + } + + start = start >>> 0 + end = end === undefined ? this.length : end >>> 0 + + if (!val) val = 0 + + var i + if (typeof val === 'number') { + for (i = start; i < end; ++i) { + this[i] = val + } + } else { + var bytes = Buffer.isBuffer(val) + ? val + : Buffer.from(val, encoding) + var len = bytes.length + if (len === 0) { + throw new TypeError('The value "' + val + + '" is invalid for argument "value"') + } + for (i = 0; i < end - start; ++i) { + this[i + start] = bytes[i % len] + } + } + + return this +} + +// HELPER FUNCTIONS +// ================ + +var INVALID_BASE64_RE = /[^+/0-9A-Za-z-_]/g + +function base64clean (str) { + // Node takes equal signs as end of the Base64 encoding + str = str.split('=')[0] + // Node strips out invalid characters like \n and \t from the string, base64-js does not + str = str.trim().replace(INVALID_BASE64_RE, '') + // Node converts strings with length < 2 to '' + if (str.length < 2) return '' + // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not + while (str.length % 4 !== 0) { + str = str + '=' + } + return str +} + +function toHex (n) { + if (n < 16) return '0' + n.toString(16) + return n.toString(16) +} + +function utf8ToBytes (string, units) { + units = units || Infinity + var codePoint + var length = string.length + var leadSurrogate = null + var bytes = [] + + for (var i = 0; i < length; ++i) { + codePoint = string.charCodeAt(i) + + // is surrogate component + if (codePoint > 0xD7FF && codePoint < 0xE000) { + // last char was a lead + if (!leadSurrogate) { + // no lead yet + if (codePoint > 0xDBFF) { + // unexpected trail + if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD) + continue + } else if (i + 1 === length) { + // unpaired lead + if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD) + continue + } + + // valid lead + leadSurrogate = codePoint + + continue + } + + // 2 leads in a row + if (codePoint < 0xDC00) { + if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD) + leadSurrogate = codePoint + continue + } + + // valid surrogate pair + codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000 + } else if (leadSurrogate) { + // valid bmp char, but last char was a lead + if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD) + } + + leadSurrogate = null + + // encode utf8 + if (codePoint < 0x80) { + if ((units -= 1) < 0) break + bytes.push(codePoint) + } else if (codePoint < 0x800) { + if ((units -= 2) < 0) break + bytes.push( + codePoint >> 0x6 | 0xC0, + codePoint & 0x3F | 0x80 + ) + } else if (codePoint < 0x10000) { + if ((units -= 3) < 0) break + bytes.push( + codePoint >> 0xC | 0xE0, + codePoint >> 0x6 & 0x3F | 0x80, + codePoint & 0x3F | 0x80 + ) + } else if (codePoint < 0x110000) { + if ((units -= 4) < 0) break + bytes.push( + codePoint >> 0x12 | 0xF0, + codePoint >> 0xC & 0x3F | 0x80, + codePoint >> 0x6 & 0x3F | 0x80, + codePoint & 0x3F | 0x80 + ) + } else { + throw new Error('Invalid code point') + } + } + + return bytes +} + +function asciiToBytes (str) { + var byteArray = [] + for (var i = 0; i < str.length; ++i) { + // Node's code seems to be doing this and not & 0x7F.. + byteArray.push(str.charCodeAt(i) & 0xFF) + } + return byteArray +} + +function utf16leToBytes (str, units) { + var c, hi, lo + var byteArray = [] + for (var i = 0; i < str.length; ++i) { + if ((units -= 2) < 0) break + + c = str.charCodeAt(i) + hi = c >> 8 + lo = c % 256 + byteArray.push(lo) + byteArray.push(hi) + } + + return byteArray +} + +function base64ToBytes (str) { + return base64.toByteArray(base64clean(str)) +} + +function blitBuffer (src, dst, offset, length) { + for (var i = 0; i < length; ++i) { + if ((i + offset >= dst.length) || (i >= src.length)) break + dst[i + offset] = src[i] + } + return i +} + +// ArrayBuffer or Uint8Array objects from other contexts (i.e. iframes) do not pass +// the `instanceof` check but they should be treated as of that type. +// See: https://github.com/feross/buffer/issues/166 +function isInstance (obj, type) { + return obj instanceof type || + (obj != null && obj.constructor != null && obj.constructor.name != null && + obj.constructor.name === type.name) +} +function numberIsNaN (obj) { + // For IE11 support + return obj !== obj // eslint-disable-line no-self-compare +} + +}).call(this,require("buffer").Buffer) +},{"base64-js":39,"buffer":43,"ieee754":55}],44:[function(require,module,exports){ +(function (Buffer){ +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + +// NOTE: These type checking functions intentionally don't use `instanceof` +// because it is fragile and can be easily faked with `Object.create()`. + +function isArray(arg) { + if (Array.isArray) { + return Array.isArray(arg); + } + return objectToString(arg) === '[object Array]'; +} +exports.isArray = isArray; + +function isBoolean(arg) { + return typeof arg === 'boolean'; +} +exports.isBoolean = isBoolean; + +function isNull(arg) { + return arg === null; +} +exports.isNull = isNull; + +function isNullOrUndefined(arg) { + return arg == null; +} +exports.isNullOrUndefined = isNullOrUndefined; + +function isNumber(arg) { + return typeof arg === 'number'; +} +exports.isNumber = isNumber; + +function isString(arg) { + return typeof arg === 'string'; +} +exports.isString = isString; + +function isSymbol(arg) { + return typeof arg === 'symbol'; +} +exports.isSymbol = isSymbol; + +function isUndefined(arg) { + return arg === void 0; +} +exports.isUndefined = isUndefined; + +function isRegExp(re) { + return objectToString(re) === '[object RegExp]'; +} +exports.isRegExp = isRegExp; + +function isObject(arg) { + return typeof arg === 'object' && arg !== null; +} +exports.isObject = isObject; + +function isDate(d) { + return objectToString(d) === '[object Date]'; +} +exports.isDate = isDate; + +function isError(e) { + return (objectToString(e) === '[object Error]' || e instanceof Error); +} +exports.isError = isError; + +function isFunction(arg) { + return typeof arg === 'function'; +} +exports.isFunction = isFunction; + +function isPrimitive(arg) { + return arg === null || + typeof arg === 'boolean' || + typeof arg === 'number' || + typeof arg === 'string' || + typeof arg === 'symbol' || // ES6 symbol + typeof arg === 'undefined'; +} +exports.isPrimitive = isPrimitive; + +exports.isBuffer = Buffer.isBuffer; + +function objectToString(o) { + return Object.prototype.toString.call(o); +} + +}).call(this,{"isBuffer":require("../../is-buffer/index.js")}) +},{"../../is-buffer/index.js":57}],45:[function(require,module,exports){ +(function (process){ +"use strict"; + +function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } + +/* eslint-env browser */ + +/** + * This is the web browser implementation of `debug()`. + */ +exports.log = log; +exports.formatArgs = formatArgs; +exports.save = save; +exports.load = load; +exports.useColors = useColors; +exports.storage = localstorage(); +/** + * Colors. + */ + +exports.colors = ['#0000CC', '#0000FF', '#0033CC', '#0033FF', '#0066CC', '#0066FF', '#0099CC', '#0099FF', '#00CC00', '#00CC33', '#00CC66', '#00CC99', '#00CCCC', '#00CCFF', '#3300CC', '#3300FF', '#3333CC', '#3333FF', '#3366CC', '#3366FF', '#3399CC', '#3399FF', '#33CC00', '#33CC33', '#33CC66', '#33CC99', '#33CCCC', '#33CCFF', '#6600CC', '#6600FF', '#6633CC', '#6633FF', '#66CC00', '#66CC33', '#9900CC', '#9900FF', '#9933CC', '#9933FF', '#99CC00', '#99CC33', '#CC0000', '#CC0033', '#CC0066', '#CC0099', '#CC00CC', '#CC00FF', '#CC3300', '#CC3333', '#CC3366', '#CC3399', '#CC33CC', '#CC33FF', '#CC6600', '#CC6633', '#CC9900', '#CC9933', '#CCCC00', '#CCCC33', '#FF0000', '#FF0033', '#FF0066', '#FF0099', '#FF00CC', '#FF00FF', '#FF3300', '#FF3333', '#FF3366', '#FF3399', '#FF33CC', '#FF33FF', '#FF6600', '#FF6633', '#FF9900', '#FF9933', '#FFCC00', '#FFCC33']; +/** + * Currently only WebKit-based Web Inspectors, Firefox >= v31, + * and the Firebug extension (any Firefox version) are known + * to support "%c" CSS customizations. + * + * TODO: add a `localStorage` variable to explicitly enable/disable colors + */ +// eslint-disable-next-line complexity + +function useColors() { + // NB: In an Electron preload script, document will be defined but not fully + // initialized. Since we know we're in Chrome, we'll just detect this case + // explicitly + if (typeof window !== 'undefined' && window.process && (window.process.type === 'renderer' || window.process.__nwjs)) { + return true; + } // Internet Explorer and Edge do not support colors. + + + if (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/)) { + return false; + } // Is webkit? http://stackoverflow.com/a/16459606/376773 + // document is undefined in react-native: https://github.com/facebook/react-native/pull/1632 + + + return typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance || // Is firebug? http://stackoverflow.com/a/398120/376773 + typeof window !== 'undefined' && window.console && (window.console.firebug || window.console.exception && window.console.table) || // Is firefox >= v31? + // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages + typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31 || // Double check webkit in userAgent just in case we are in a worker + typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/); +} +/** + * Colorize log arguments if enabled. + * + * @api public + */ + + +function formatArgs(args) { + args[0] = (this.useColors ? '%c' : '') + this.namespace + (this.useColors ? ' %c' : ' ') + args[0] + (this.useColors ? '%c ' : ' ') + '+' + module.exports.humanize(this.diff); + + if (!this.useColors) { + return; + } + + var c = 'color: ' + this.color; + args.splice(1, 0, c, 'color: inherit'); // The final "%c" is somewhat tricky, because there could be other + // arguments passed either before or after the %c, so we need to + // figure out the correct index to insert the CSS into + + var index = 0; + var lastC = 0; + args[0].replace(/%[a-zA-Z%]/g, function (match) { + if (match === '%%') { + return; + } + + index++; + + if (match === '%c') { + // We only are interested in the *last* %c + // (the user may have provided their own) + lastC = index; + } + }); + args.splice(lastC, 0, c); +} +/** + * Invokes `console.log()` when available. + * No-op when `console.log` is not a "function". + * + * @api public + */ + + +function log() { + var _console; + + // This hackery is required for IE8/9, where + // the `console.log` function doesn't have 'apply' + return (typeof console === "undefined" ? "undefined" : _typeof(console)) === 'object' && console.log && (_console = console).log.apply(_console, arguments); +} +/** + * Save `namespaces`. + * + * @param {String} namespaces + * @api private + */ + + +function save(namespaces) { + try { + if (namespaces) { + exports.storage.setItem('debug', namespaces); + } else { + exports.storage.removeItem('debug'); + } + } catch (error) {// Swallow + // XXX (@Qix-) should we be logging these? + } +} +/** + * Load `namespaces`. + * + * @return {String} returns the previously persisted debug modes + * @api private + */ + + +function load() { + var r; + + try { + r = exports.storage.getItem('debug'); + } catch (error) {} // Swallow + // XXX (@Qix-) should we be logging these? + // If debug isn't set in LS, and we're in Electron, try to load $DEBUG + + + if (!r && typeof process !== 'undefined' && 'env' in process) { + r = process.env.DEBUG; + } + + return r; +} +/** + * Localstorage attempts to return the localstorage. + * + * This is necessary because safari throws + * when a user disables cookies/localstorage + * and you attempt to access it. + * + * @return {LocalStorage} + * @api private + */ + + +function localstorage() { + try { + // TVMLKit (Apple TV JS Runtime) does not have a window object, just localStorage in the global context + // The Browser also has localStorage in the global context. + return localStorage; + } catch (error) {// Swallow + // XXX (@Qix-) should we be logging these? + } +} + +module.exports = require('./common')(exports); +var formatters = module.exports.formatters; +/** + * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default. + */ + +formatters.j = function (v) { + try { + return JSON.stringify(v); + } catch (error) { + return '[UnexpectedJSONParseError]: ' + error.message; + } +}; + + +}).call(this,require('_process')) +},{"./common":46,"_process":69}],46:[function(require,module,exports){ +"use strict"; + +/** + * This is the common logic for both the Node.js and web browser + * implementations of `debug()`. + */ +function setup(env) { + createDebug.debug = createDebug; + createDebug.default = createDebug; + createDebug.coerce = coerce; + createDebug.disable = disable; + createDebug.enable = enable; + createDebug.enabled = enabled; + createDebug.humanize = require('ms'); + Object.keys(env).forEach(function (key) { + createDebug[key] = env[key]; + }); + /** + * Active `debug` instances. + */ + + createDebug.instances = []; + /** + * The currently active debug mode names, and names to skip. + */ + + createDebug.names = []; + createDebug.skips = []; + /** + * Map of special "%n" handling functions, for the debug "format" argument. + * + * Valid key names are a single, lower or upper-case letter, i.e. "n" and "N". + */ + + createDebug.formatters = {}; + /** + * Selects a color for a debug namespace + * @param {String} namespace The namespace string for the for the debug instance to be colored + * @return {Number|String} An ANSI color code for the given namespace + * @api private + */ + + function selectColor(namespace) { + var hash = 0; + + for (var i = 0; i < namespace.length; i++) { + hash = (hash << 5) - hash + namespace.charCodeAt(i); + hash |= 0; // Convert to 32bit integer + } + + return createDebug.colors[Math.abs(hash) % createDebug.colors.length]; + } + + createDebug.selectColor = selectColor; + /** + * Create a debugger with the given `namespace`. + * + * @param {String} namespace + * @return {Function} + * @api public + */ + + function createDebug(namespace) { + var prevTime; + + function debug() { + // Disabled? + if (!debug.enabled) { + return; + } + + for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) { + args[_key] = arguments[_key]; + } + + var self = debug; // Set `diff` timestamp + + var curr = Number(new Date()); + var ms = curr - (prevTime || curr); + self.diff = ms; + self.prev = prevTime; + self.curr = curr; + prevTime = curr; + args[0] = createDebug.coerce(args[0]); + + if (typeof args[0] !== 'string') { + // Anything else let's inspect with %O + args.unshift('%O'); + } // Apply any `formatters` transformations + + + var index = 0; + args[0] = args[0].replace(/%([a-zA-Z%])/g, function (match, format) { + // If we encounter an escaped % then don't increase the array index + if (match === '%%') { + return match; + } + + index++; + var formatter = createDebug.formatters[format]; + + if (typeof formatter === 'function') { + var val = args[index]; + match = formatter.call(self, val); // Now we need to remove `args[index]` since it's inlined in the `format` + + args.splice(index, 1); + index--; + } + + return match; + }); // Apply env-specific formatting (colors, etc.) + + createDebug.formatArgs.call(self, args); + var logFn = self.log || createDebug.log; + logFn.apply(self, args); + } + + debug.namespace = namespace; + debug.enabled = createDebug.enabled(namespace); + debug.useColors = createDebug.useColors(); + debug.color = selectColor(namespace); + debug.destroy = destroy; + debug.extend = extend; // Debug.formatArgs = formatArgs; + // debug.rawLog = rawLog; + // env-specific initialization logic for debug instances + + if (typeof createDebug.init === 'function') { + createDebug.init(debug); + } + + createDebug.instances.push(debug); + return debug; + } + + function destroy() { + var index = createDebug.instances.indexOf(this); + + if (index !== -1) { + createDebug.instances.splice(index, 1); + return true; + } + + return false; + } + + function extend(namespace, delimiter) { + return createDebug(this.namespace + (typeof delimiter === 'undefined' ? ':' : delimiter) + namespace); + } + /** + * Enables a debug mode by namespaces. This can include modes + * separated by a colon and wildcards. + * + * @param {String} namespaces + * @api public + */ + + + function enable(namespaces) { + createDebug.save(namespaces); + createDebug.names = []; + createDebug.skips = []; + var i; + var split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/); + var len = split.length; + + for (i = 0; i < len; i++) { + if (!split[i]) { + // ignore empty strings + continue; + } + + namespaces = split[i].replace(/\*/g, '.*?'); + + if (namespaces[0] === '-') { + createDebug.skips.push(new RegExp('^' + namespaces.substr(1) + '$')); + } else { + createDebug.names.push(new RegExp('^' + namespaces + '$')); + } + } + + for (i = 0; i < createDebug.instances.length; i++) { + var instance = createDebug.instances[i]; + instance.enabled = createDebug.enabled(instance.namespace); + } + } + /** + * Disable debug output. + * + * @api public + */ + + + function disable() { + createDebug.enable(''); + } + /** + * Returns true if the given mode name is enabled, false otherwise. + * + * @param {String} name + * @return {Boolean} + * @api public + */ + + + function enabled(name) { + if (name[name.length - 1] === '*') { + return true; + } + + var i; + var len; + + for (i = 0, len = createDebug.skips.length; i < len; i++) { + if (createDebug.skips[i].test(name)) { + return false; + } + } + + for (i = 0, len = createDebug.names.length; i < len; i++) { + if (createDebug.names[i].test(name)) { + return true; + } + } + + return false; + } + /** + * Coerce `val`. + * + * @param {Mixed} val + * @return {Mixed} + * @api private + */ + + + function coerce(val) { + if (val instanceof Error) { + return val.stack || val.message; + } + + return val; + } + + createDebug.enable(createDebug.load()); + return createDebug; +} + +module.exports = setup; + + +},{"ms":60}],47:[function(require,module,exports){ +'use strict'; + +var keys = require('object-keys'); +var hasSymbols = typeof Symbol === 'function' && typeof Symbol('foo') === 'symbol'; + +var toStr = Object.prototype.toString; +var concat = Array.prototype.concat; +var origDefineProperty = Object.defineProperty; + +var isFunction = function (fn) { + return typeof fn === 'function' && toStr.call(fn) === '[object Function]'; +}; + +var arePropertyDescriptorsSupported = function () { + var obj = {}; + try { + origDefineProperty(obj, 'x', { enumerable: false, value: obj }); + // eslint-disable-next-line no-unused-vars, no-restricted-syntax + for (var _ in obj) { // jscs:ignore disallowUnusedVariables + return false; + } + return obj.x === obj; + } catch (e) { /* this is IE 8. */ + return false; + } +}; +var supportsDescriptors = origDefineProperty && arePropertyDescriptorsSupported(); + +var defineProperty = function (object, name, value, predicate) { + if (name in object && (!isFunction(predicate) || !predicate())) { + return; + } + if (supportsDescriptors) { + origDefineProperty(object, name, { + configurable: true, + enumerable: false, + value: value, + writable: true + }); + } else { + object[name] = value; + } +}; + +var defineProperties = function (object, map) { + var predicates = arguments.length > 2 ? arguments[2] : {}; + var props = keys(map); + if (hasSymbols) { + props = concat.call(props, Object.getOwnPropertySymbols(map)); + } + for (var i = 0; i < props.length; i += 1) { + defineProperty(object, props[i], map[props[i]], predicates[props[i]]); + } +}; + +defineProperties.supportsDescriptors = !!supportsDescriptors; + +module.exports = defineProperties; + +},{"object-keys":62}],48:[function(require,module,exports){ +/*! + + diff v3.5.0 + +Software License Agreement (BSD License) + +Copyright (c) 2009-2015, Kevin Decker + +All rights reserved. + +Redistribution and use of this software in source and binary forms, with or without modification, +are permitted provided that the following conditions are met: + +* Redistributions of source code must retain the above + copyright notice, this list of conditions and the + following disclaimer. + +* Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the + following disclaimer in the documentation and/or other + materials provided with the distribution. + +* Neither the name of Kevin Decker nor the names of its + contributors may be used to endorse or promote products + derived from this software without specific prior + written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR +IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND +FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR +CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER +IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT +OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +@license +*/ +(function webpackUniversalModuleDefinition(root, factory) { + if(typeof exports === 'object' && typeof module === 'object') + module.exports = factory(); + else if(false) + define([], factory); + else if(typeof exports === 'object') + exports["JsDiff"] = factory(); + else + root["JsDiff"] = factory(); +})(this, function() { +return /******/ (function(modules) { // webpackBootstrap +/******/ // The module cache +/******/ var installedModules = {}; + +/******/ // The require function +/******/ function __webpack_require__(moduleId) { + +/******/ // Check if module is in cache +/******/ if(installedModules[moduleId]) +/******/ return installedModules[moduleId].exports; + +/******/ // Create a new module (and put it into the cache) +/******/ var module = installedModules[moduleId] = { +/******/ exports: {}, +/******/ id: moduleId, +/******/ loaded: false +/******/ }; + +/******/ // Execute the module function +/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__); + +/******/ // Flag the module as loaded +/******/ module.loaded = true; + +/******/ // Return the exports of the module +/******/ return module.exports; +/******/ } + + +/******/ // expose the modules object (__webpack_modules__) +/******/ __webpack_require__.m = modules; + +/******/ // expose the module cache +/******/ __webpack_require__.c = installedModules; + +/******/ // __webpack_public_path__ +/******/ __webpack_require__.p = ""; + +/******/ // Load entry module and return exports +/******/ return __webpack_require__(0); +/******/ }) +/************************************************************************/ +/******/ ([ +/* 0 */ +/***/ (function(module, exports, __webpack_require__) { + + /*istanbul ignore start*/'use strict'; + + exports.__esModule = true; + exports.canonicalize = exports.convertChangesToXML = exports.convertChangesToDMP = exports.merge = exports.parsePatch = exports.applyPatches = exports.applyPatch = exports.createPatch = exports.createTwoFilesPatch = exports.structuredPatch = exports.diffArrays = exports.diffJson = exports.diffCss = exports.diffSentences = exports.diffTrimmedLines = exports.diffLines = exports.diffWordsWithSpace = exports.diffWords = exports.diffChars = exports.Diff = undefined; + + /*istanbul ignore end*/var /*istanbul ignore start*/_base = __webpack_require__(1) /*istanbul ignore end*/; + + /*istanbul ignore start*/var _base2 = _interopRequireDefault(_base); + + /*istanbul ignore end*/var /*istanbul ignore start*/_character = __webpack_require__(2) /*istanbul ignore end*/; + + var /*istanbul ignore start*/_word = __webpack_require__(3) /*istanbul ignore end*/; + + var /*istanbul ignore start*/_line = __webpack_require__(5) /*istanbul ignore end*/; + + var /*istanbul ignore start*/_sentence = __webpack_require__(6) /*istanbul ignore end*/; + + var /*istanbul ignore start*/_css = __webpack_require__(7) /*istanbul ignore end*/; + + var /*istanbul ignore start*/_json = __webpack_require__(8) /*istanbul ignore end*/; + + var /*istanbul ignore start*/_array = __webpack_require__(9) /*istanbul ignore end*/; + + var /*istanbul ignore start*/_apply = __webpack_require__(10) /*istanbul ignore end*/; + + var /*istanbul ignore start*/_parse = __webpack_require__(11) /*istanbul ignore end*/; + + var /*istanbul ignore start*/_merge = __webpack_require__(13) /*istanbul ignore end*/; + + var /*istanbul ignore start*/_create = __webpack_require__(14) /*istanbul ignore end*/; + + var /*istanbul ignore start*/_dmp = __webpack_require__(16) /*istanbul ignore end*/; + + var /*istanbul ignore start*/_xml = __webpack_require__(17) /*istanbul ignore end*/; + + /*istanbul ignore start*/function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; } + + /* See LICENSE file for terms of use */ + + /* + * Text diff implementation. + * + * This library supports the following APIS: + * JsDiff.diffChars: Character by character diff + * JsDiff.diffWords: Word (as defined by \b regex) diff which ignores whitespace + * JsDiff.diffLines: Line based diff + * + * JsDiff.diffCss: Diff targeted at CSS content + * + * These methods are based on the implementation proposed in + * "An O(ND) Difference Algorithm and its Variations" (Myers, 1986). + * http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.4.6927 + */ + exports. /*istanbul ignore end*/Diff = _base2['default']; + /*istanbul ignore start*/exports. /*istanbul ignore end*/diffChars = _character.diffChars; + /*istanbul ignore start*/exports. /*istanbul ignore end*/diffWords = _word.diffWords; + /*istanbul ignore start*/exports. /*istanbul ignore end*/diffWordsWithSpace = _word.diffWordsWithSpace; + /*istanbul ignore start*/exports. /*istanbul ignore end*/diffLines = _line.diffLines; + /*istanbul ignore start*/exports. /*istanbul ignore end*/diffTrimmedLines = _line.diffTrimmedLines; + /*istanbul ignore start*/exports. /*istanbul ignore end*/diffSentences = _sentence.diffSentences; + /*istanbul ignore start*/exports. /*istanbul ignore end*/diffCss = _css.diffCss; + /*istanbul ignore start*/exports. /*istanbul ignore end*/diffJson = _json.diffJson; + /*istanbul ignore start*/exports. /*istanbul ignore end*/diffArrays = _array.diffArrays; + /*istanbul ignore start*/exports. /*istanbul ignore end*/structuredPatch = _create.structuredPatch; + /*istanbul ignore start*/exports. /*istanbul ignore end*/createTwoFilesPatch = _create.createTwoFilesPatch; + /*istanbul ignore start*/exports. /*istanbul ignore end*/createPatch = _create.createPatch; + /*istanbul ignore start*/exports. /*istanbul ignore end*/applyPatch = _apply.applyPatch; + /*istanbul ignore start*/exports. /*istanbul ignore end*/applyPatches = _apply.applyPatches; + /*istanbul ignore start*/exports. /*istanbul ignore end*/parsePatch = _parse.parsePatch; + /*istanbul ignore start*/exports. /*istanbul ignore end*/merge = _merge.merge; + /*istanbul ignore start*/exports. /*istanbul ignore end*/convertChangesToDMP = _dmp.convertChangesToDMP; + /*istanbul ignore start*/exports. /*istanbul ignore end*/convertChangesToXML = _xml.convertChangesToXML; + /*istanbul ignore start*/exports. /*istanbul ignore end*/canonicalize = _json.canonicalize; + + + +/***/ }), +/* 1 */ +/***/ (function(module, exports) { + + /*istanbul ignore start*/'use strict'; + + exports.__esModule = true; + exports['default'] = /*istanbul ignore end*/Diff; + function Diff() {} + + Diff.prototype = { + /*istanbul ignore start*/ /*istanbul ignore end*/diff: function diff(oldString, newString) { + /*istanbul ignore start*/var /*istanbul ignore end*/options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {}; + + var callback = options.callback; + if (typeof options === 'function') { + callback = options; + options = {}; + } + this.options = options; + + var self = this; + + function done(value) { + if (callback) { + setTimeout(function () { + callback(undefined, value); + }, 0); + return true; + } else { + return value; + } + } + + // Allow subclasses to massage the input prior to running + oldString = this.castInput(oldString); + newString = this.castInput(newString); + + oldString = this.removeEmpty(this.tokenize(oldString)); + newString = this.removeEmpty(this.tokenize(newString)); + + var newLen = newString.length, + oldLen = oldString.length; + var editLength = 1; + var maxEditLength = newLen + oldLen; + var bestPath = [{ newPos: -1, components: [] }]; + + // Seed editLength = 0, i.e. the content starts with the same values + var oldPos = this.extractCommon(bestPath[0], newString, oldString, 0); + if (bestPath[0].newPos + 1 >= newLen && oldPos + 1 >= oldLen) { + // Identity per the equality and tokenizer + return done([{ value: this.join(newString), count: newString.length }]); + } + + // Main worker method. checks all permutations of a given edit length for acceptance. + function execEditLength() { + for (var diagonalPath = -1 * editLength; diagonalPath <= editLength; diagonalPath += 2) { + var basePath = /*istanbul ignore start*/void 0 /*istanbul ignore end*/; + var addPath = bestPath[diagonalPath - 1], + removePath = bestPath[diagonalPath + 1], + _oldPos = (removePath ? removePath.newPos : 0) - diagonalPath; + if (addPath) { + // No one else is going to attempt to use this value, clear it + bestPath[diagonalPath - 1] = undefined; + } + + var canAdd = addPath && addPath.newPos + 1 < newLen, + canRemove = removePath && 0 <= _oldPos && _oldPos < oldLen; + if (!canAdd && !canRemove) { + // If this path is a terminal then prune + bestPath[diagonalPath] = undefined; + continue; + } + + // Select the diagonal that we want to branch from. We select the prior + // path whose position in the new string is the farthest from the origin + // and does not pass the bounds of the diff graph + if (!canAdd || canRemove && addPath.newPos < removePath.newPos) { + basePath = clonePath(removePath); + self.pushComponent(basePath.components, undefined, true); + } else { + basePath = addPath; // No need to clone, we've pulled it from the list + basePath.newPos++; + self.pushComponent(basePath.components, true, undefined); + } + + _oldPos = self.extractCommon(basePath, newString, oldString, diagonalPath); + + // If we have hit the end of both strings, then we are done + if (basePath.newPos + 1 >= newLen && _oldPos + 1 >= oldLen) { + return done(buildValues(self, basePath.components, newString, oldString, self.useLongestToken)); + } else { + // Otherwise track this path as a potential candidate and continue. + bestPath[diagonalPath] = basePath; + } + } + + editLength++; + } + + // Performs the length of edit iteration. Is a bit fugly as this has to support the + // sync and async mode which is never fun. Loops over execEditLength until a value + // is produced. + if (callback) { + (function exec() { + setTimeout(function () { + // This should not happen, but we want to be safe. + /* istanbul ignore next */ + if (editLength > maxEditLength) { + return callback(); + } + + if (!execEditLength()) { + exec(); + } + }, 0); + })(); + } else { + while (editLength <= maxEditLength) { + var ret = execEditLength(); + if (ret) { + return ret; + } + } + } + }, + /*istanbul ignore start*/ /*istanbul ignore end*/pushComponent: function pushComponent(components, added, removed) { + var last = components[components.length - 1]; + if (last && last.added === added && last.removed === removed) { + // We need to clone here as the component clone operation is just + // as shallow array clone + components[components.length - 1] = { count: last.count + 1, added: added, removed: removed }; + } else { + components.push({ count: 1, added: added, removed: removed }); + } + }, + /*istanbul ignore start*/ /*istanbul ignore end*/extractCommon: function extractCommon(basePath, newString, oldString, diagonalPath) { + var newLen = newString.length, + oldLen = oldString.length, + newPos = basePath.newPos, + oldPos = newPos - diagonalPath, + commonCount = 0; + while (newPos + 1 < newLen && oldPos + 1 < oldLen && this.equals(newString[newPos + 1], oldString[oldPos + 1])) { + newPos++; + oldPos++; + commonCount++; + } + + if (commonCount) { + basePath.components.push({ count: commonCount }); + } + + basePath.newPos = newPos; + return oldPos; + }, + /*istanbul ignore start*/ /*istanbul ignore end*/equals: function equals(left, right) { + if (this.options.comparator) { + return this.options.comparator(left, right); + } else { + return left === right || this.options.ignoreCase && left.toLowerCase() === right.toLowerCase(); + } + }, + /*istanbul ignore start*/ /*istanbul ignore end*/removeEmpty: function removeEmpty(array) { + var ret = []; + for (var i = 0; i < array.length; i++) { + if (array[i]) { + ret.push(array[i]); + } + } + return ret; + }, + /*istanbul ignore start*/ /*istanbul ignore end*/castInput: function castInput(value) { + return value; + }, + /*istanbul ignore start*/ /*istanbul ignore end*/tokenize: function tokenize(value) { + return value.split(''); + }, + /*istanbul ignore start*/ /*istanbul ignore end*/join: function join(chars) { + return chars.join(''); + } + }; + + function buildValues(diff, components, newString, oldString, useLongestToken) { + var componentPos = 0, + componentLen = components.length, + newPos = 0, + oldPos = 0; + + for (; componentPos < componentLen; componentPos++) { + var component = components[componentPos]; + if (!component.removed) { + if (!component.added && useLongestToken) { + var value = newString.slice(newPos, newPos + component.count); + value = value.map(function (value, i) { + var oldValue = oldString[oldPos + i]; + return oldValue.length > value.length ? oldValue : value; + }); + + component.value = diff.join(value); + } else { + component.value = diff.join(newString.slice(newPos, newPos + component.count)); + } + newPos += component.count; + + // Common case + if (!component.added) { + oldPos += component.count; + } + } else { + component.value = diff.join(oldString.slice(oldPos, oldPos + component.count)); + oldPos += component.count; + + // Reverse add and remove so removes are output first to match common convention + // The diffing algorithm is tied to add then remove output and this is the simplest + // route to get the desired output with minimal overhead. + if (componentPos && components[componentPos - 1].added) { + var tmp = components[componentPos - 1]; + components[componentPos - 1] = components[componentPos]; + components[componentPos] = tmp; + } + } + } + + // Special case handle for when one terminal is ignored (i.e. whitespace). + // For this case we merge the terminal into the prior string and drop the change. + // This is only available for string mode. + var lastComponent = components[componentLen - 1]; + if (componentLen > 1 && typeof lastComponent.value === 'string' && (lastComponent.added || lastComponent.removed) && diff.equals('', lastComponent.value)) { + components[componentLen - 2].value += lastComponent.value; + components.pop(); + } + + return components; + } + + function clonePath(path) { + return { newPos: path.newPos, components: path.components.slice(0) }; + } + + + +/***/ }), +/* 2 */ +/***/ (function(module, exports, __webpack_require__) { + + /*istanbul ignore start*/'use strict'; + + exports.__esModule = true; + exports.characterDiff = undefined; + exports. /*istanbul ignore end*/diffChars = diffChars; + + var /*istanbul ignore start*/_base = __webpack_require__(1) /*istanbul ignore end*/; + + /*istanbul ignore start*/var _base2 = _interopRequireDefault(_base); + + function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; } + + /*istanbul ignore end*/var characterDiff = /*istanbul ignore start*/exports. /*istanbul ignore end*/characterDiff = new /*istanbul ignore start*/_base2['default'] /*istanbul ignore end*/(); + function diffChars(oldStr, newStr, options) { + return characterDiff.diff(oldStr, newStr, options); + } + + + +/***/ }), +/* 3 */ +/***/ (function(module, exports, __webpack_require__) { + + /*istanbul ignore start*/'use strict'; + + exports.__esModule = true; + exports.wordDiff = undefined; + exports. /*istanbul ignore end*/diffWords = diffWords; + /*istanbul ignore start*/exports. /*istanbul ignore end*/diffWordsWithSpace = diffWordsWithSpace; + + var /*istanbul ignore start*/_base = __webpack_require__(1) /*istanbul ignore end*/; + + /*istanbul ignore start*/var _base2 = _interopRequireDefault(_base); + + /*istanbul ignore end*/var /*istanbul ignore start*/_params = __webpack_require__(4) /*istanbul ignore end*/; + + /*istanbul ignore start*/function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; } + + /*istanbul ignore end*/ // Based on https://en.wikipedia.org/wiki/Latin_script_in_Unicode + // + // Ranges and exceptions: + // Latin-1 Supplement, 0080–00FF + // - U+00D7 × Multiplication sign + // - U+00F7 ÷ Division sign + // Latin Extended-A, 0100–017F + // Latin Extended-B, 0180–024F + // IPA Extensions, 0250–02AF + // Spacing Modifier Letters, 02B0–02FF + // - U+02C7 ˇ ˇ Caron + // - U+02D8 ˘ ˘ Breve + // - U+02D9 ˙ ˙ Dot Above + // - U+02DA ˚ ˚ Ring Above + // - U+02DB ˛ ˛ Ogonek + // - U+02DC ˜ ˜ Small Tilde + // - U+02DD ˝ ˝ Double Acute Accent + // Latin Extended Additional, 1E00–1EFF + var extendedWordChars = /^[A-Za-z\xC0-\u02C6\u02C8-\u02D7\u02DE-\u02FF\u1E00-\u1EFF]+$/; + + var reWhitespace = /\S/; + + var wordDiff = /*istanbul ignore start*/exports. /*istanbul ignore end*/wordDiff = new /*istanbul ignore start*/_base2['default'] /*istanbul ignore end*/(); + wordDiff.equals = function (left, right) { + if (this.options.ignoreCase) { + left = left.toLowerCase(); + right = right.toLowerCase(); + } + return left === right || this.options.ignoreWhitespace && !reWhitespace.test(left) && !reWhitespace.test(right); + }; + wordDiff.tokenize = function (value) { + var tokens = value.split(/(\s+|\b)/); + + // Join the boundary splits that we do not consider to be boundaries. This is primarily the extended Latin character set. + for (var i = 0; i < tokens.length - 1; i++) { + // If we have an empty string in the next field and we have only word chars before and after, merge + if (!tokens[i + 1] && tokens[i + 2] && extendedWordChars.test(tokens[i]) && extendedWordChars.test(tokens[i + 2])) { + tokens[i] += tokens[i + 2]; + tokens.splice(i + 1, 2); + i--; + } + } + + return tokens; + }; + + function diffWords(oldStr, newStr, options) { + options = /*istanbul ignore start*/(0, _params.generateOptions) /*istanbul ignore end*/(options, { ignoreWhitespace: true }); + return wordDiff.diff(oldStr, newStr, options); + } + + function diffWordsWithSpace(oldStr, newStr, options) { + return wordDiff.diff(oldStr, newStr, options); + } + + + +/***/ }), +/* 4 */ +/***/ (function(module, exports) { + + /*istanbul ignore start*/'use strict'; + + exports.__esModule = true; + exports. /*istanbul ignore end*/generateOptions = generateOptions; + function generateOptions(options, defaults) { + if (typeof options === 'function') { + defaults.callback = options; + } else if (options) { + for (var name in options) { + /* istanbul ignore else */ + if (options.hasOwnProperty(name)) { + defaults[name] = options[name]; + } + } + } + return defaults; + } + + + +/***/ }), +/* 5 */ +/***/ (function(module, exports, __webpack_require__) { + + /*istanbul ignore start*/'use strict'; + + exports.__esModule = true; + exports.lineDiff = undefined; + exports. /*istanbul ignore end*/diffLines = diffLines; + /*istanbul ignore start*/exports. /*istanbul ignore end*/diffTrimmedLines = diffTrimmedLines; + + var /*istanbul ignore start*/_base = __webpack_require__(1) /*istanbul ignore end*/; + + /*istanbul ignore start*/var _base2 = _interopRequireDefault(_base); + + /*istanbul ignore end*/var /*istanbul ignore start*/_params = __webpack_require__(4) /*istanbul ignore end*/; + + /*istanbul ignore start*/function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; } + + /*istanbul ignore end*/var lineDiff = /*istanbul ignore start*/exports. /*istanbul ignore end*/lineDiff = new /*istanbul ignore start*/_base2['default'] /*istanbul ignore end*/(); + lineDiff.tokenize = function (value) { + var retLines = [], + linesAndNewlines = value.split(/(\n|\r\n)/); + + // Ignore the final empty token that occurs if the string ends with a new line + if (!linesAndNewlines[linesAndNewlines.length - 1]) { + linesAndNewlines.pop(); + } + + // Merge the content and line separators into single tokens + for (var i = 0; i < linesAndNewlines.length; i++) { + var line = linesAndNewlines[i]; + + if (i % 2 && !this.options.newlineIsToken) { + retLines[retLines.length - 1] += line; + } else { + if (this.options.ignoreWhitespace) { + line = line.trim(); + } + retLines.push(line); + } + } + + return retLines; + }; + + function diffLines(oldStr, newStr, callback) { + return lineDiff.diff(oldStr, newStr, callback); + } + function diffTrimmedLines(oldStr, newStr, callback) { + var options = /*istanbul ignore start*/(0, _params.generateOptions) /*istanbul ignore end*/(callback, { ignoreWhitespace: true }); + return lineDiff.diff(oldStr, newStr, options); + } + + + +/***/ }), +/* 6 */ +/***/ (function(module, exports, __webpack_require__) { + + /*istanbul ignore start*/'use strict'; + + exports.__esModule = true; + exports.sentenceDiff = undefined; + exports. /*istanbul ignore end*/diffSentences = diffSentences; + + var /*istanbul ignore start*/_base = __webpack_require__(1) /*istanbul ignore end*/; + + /*istanbul ignore start*/var _base2 = _interopRequireDefault(_base); + + function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; } + + /*istanbul ignore end*/var sentenceDiff = /*istanbul ignore start*/exports. /*istanbul ignore end*/sentenceDiff = new /*istanbul ignore start*/_base2['default'] /*istanbul ignore end*/(); + sentenceDiff.tokenize = function (value) { + return value.split(/(\S.+?[.!?])(?=\s+|$)/); + }; + + function diffSentences(oldStr, newStr, callback) { + return sentenceDiff.diff(oldStr, newStr, callback); + } + + + +/***/ }), +/* 7 */ +/***/ (function(module, exports, __webpack_require__) { + + /*istanbul ignore start*/'use strict'; + + exports.__esModule = true; + exports.cssDiff = undefined; + exports. /*istanbul ignore end*/diffCss = diffCss; + + var /*istanbul ignore start*/_base = __webpack_require__(1) /*istanbul ignore end*/; + + /*istanbul ignore start*/var _base2 = _interopRequireDefault(_base); + + function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; } + + /*istanbul ignore end*/var cssDiff = /*istanbul ignore start*/exports. /*istanbul ignore end*/cssDiff = new /*istanbul ignore start*/_base2['default'] /*istanbul ignore end*/(); + cssDiff.tokenize = function (value) { + return value.split(/([{}:;,]|\s+)/); + }; + + function diffCss(oldStr, newStr, callback) { + return cssDiff.diff(oldStr, newStr, callback); + } + + + +/***/ }), +/* 8 */ +/***/ (function(module, exports, __webpack_require__) { + + /*istanbul ignore start*/'use strict'; + + exports.__esModule = true; + exports.jsonDiff = undefined; + + var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; + + exports. /*istanbul ignore end*/diffJson = diffJson; + /*istanbul ignore start*/exports. /*istanbul ignore end*/canonicalize = canonicalize; + + var /*istanbul ignore start*/_base = __webpack_require__(1) /*istanbul ignore end*/; + + /*istanbul ignore start*/var _base2 = _interopRequireDefault(_base); + + /*istanbul ignore end*/var /*istanbul ignore start*/_line = __webpack_require__(5) /*istanbul ignore end*/; + + /*istanbul ignore start*/function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; } + + /*istanbul ignore end*/var objectPrototypeToString = Object.prototype.toString; + + var jsonDiff = /*istanbul ignore start*/exports. /*istanbul ignore end*/jsonDiff = new /*istanbul ignore start*/_base2['default'] /*istanbul ignore end*/(); + // Discriminate between two lines of pretty-printed, serialized JSON where one of them has a + // dangling comma and the other doesn't. Turns out including the dangling comma yields the nicest output: + jsonDiff.useLongestToken = true; + + jsonDiff.tokenize = /*istanbul ignore start*/_line.lineDiff /*istanbul ignore end*/.tokenize; + jsonDiff.castInput = function (value) { + /*istanbul ignore start*/var _options = /*istanbul ignore end*/this.options, + undefinedReplacement = _options.undefinedReplacement, + _options$stringifyRep = _options.stringifyReplacer, + stringifyReplacer = _options$stringifyRep === undefined ? function (k, v) /*istanbul ignore start*/{ + return (/*istanbul ignore end*/typeof v === 'undefined' ? undefinedReplacement : v + ); + } : _options$stringifyRep; + + + return typeof value === 'string' ? value : JSON.stringify(canonicalize(value, null, null, stringifyReplacer), stringifyReplacer, ' '); + }; + jsonDiff.equals = function (left, right) { + return (/*istanbul ignore start*/_base2['default'] /*istanbul ignore end*/.prototype.equals.call(jsonDiff, left.replace(/,([\r\n])/g, '$1'), right.replace(/,([\r\n])/g, '$1')) + ); + }; + + function diffJson(oldObj, newObj, options) { + return jsonDiff.diff(oldObj, newObj, options); + } + + // This function handles the presence of circular references by bailing out when encountering an + // object that is already on the "stack" of items being processed. Accepts an optional replacer + function canonicalize(obj, stack, replacementStack, replacer, key) { + stack = stack || []; + replacementStack = replacementStack || []; + + if (replacer) { + obj = replacer(key, obj); + } + + var i = /*istanbul ignore start*/void 0 /*istanbul ignore end*/; + + for (i = 0; i < stack.length; i += 1) { + if (stack[i] === obj) { + return replacementStack[i]; + } + } + + var canonicalizedObj = /*istanbul ignore start*/void 0 /*istanbul ignore end*/; + + if ('[object Array]' === objectPrototypeToString.call(obj)) { + stack.push(obj); + canonicalizedObj = new Array(obj.length); + replacementStack.push(canonicalizedObj); + for (i = 0; i < obj.length; i += 1) { + canonicalizedObj[i] = canonicalize(obj[i], stack, replacementStack, replacer, key); + } + stack.pop(); + replacementStack.pop(); + return canonicalizedObj; + } + + if (obj && obj.toJSON) { + obj = obj.toJSON(); + } + + if ( /*istanbul ignore start*/(typeof /*istanbul ignore end*/obj === 'undefined' ? 'undefined' : _typeof(obj)) === 'object' && obj !== null) { + stack.push(obj); + canonicalizedObj = {}; + replacementStack.push(canonicalizedObj); + var sortedKeys = [], + _key = /*istanbul ignore start*/void 0 /*istanbul ignore end*/; + for (_key in obj) { + /* istanbul ignore else */ + if (obj.hasOwnProperty(_key)) { + sortedKeys.push(_key); + } + } + sortedKeys.sort(); + for (i = 0; i < sortedKeys.length; i += 1) { + _key = sortedKeys[i]; + canonicalizedObj[_key] = canonicalize(obj[_key], stack, replacementStack, replacer, _key); + } + stack.pop(); + replacementStack.pop(); + } else { + canonicalizedObj = obj; + } + return canonicalizedObj; + } + + + +/***/ }), +/* 9 */ +/***/ (function(module, exports, __webpack_require__) { + + /*istanbul ignore start*/'use strict'; + + exports.__esModule = true; + exports.arrayDiff = undefined; + exports. /*istanbul ignore end*/diffArrays = diffArrays; + + var /*istanbul ignore start*/_base = __webpack_require__(1) /*istanbul ignore end*/; + + /*istanbul ignore start*/var _base2 = _interopRequireDefault(_base); + + function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; } + + /*istanbul ignore end*/var arrayDiff = /*istanbul ignore start*/exports. /*istanbul ignore end*/arrayDiff = new /*istanbul ignore start*/_base2['default'] /*istanbul ignore end*/(); + arrayDiff.tokenize = function (value) { + return value.slice(); + }; + arrayDiff.join = arrayDiff.removeEmpty = function (value) { + return value; + }; + + function diffArrays(oldArr, newArr, callback) { + return arrayDiff.diff(oldArr, newArr, callback); + } + + + +/***/ }), +/* 10 */ +/***/ (function(module, exports, __webpack_require__) { + + /*istanbul ignore start*/'use strict'; + + exports.__esModule = true; + exports. /*istanbul ignore end*/applyPatch = applyPatch; + /*istanbul ignore start*/exports. /*istanbul ignore end*/applyPatches = applyPatches; + + var /*istanbul ignore start*/_parse = __webpack_require__(11) /*istanbul ignore end*/; + + var /*istanbul ignore start*/_distanceIterator = __webpack_require__(12) /*istanbul ignore end*/; + + /*istanbul ignore start*/var _distanceIterator2 = _interopRequireDefault(_distanceIterator); + + function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; } + + /*istanbul ignore end*/function applyPatch(source, uniDiff) { + /*istanbul ignore start*/var /*istanbul ignore end*/options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {}; + + if (typeof uniDiff === 'string') { + uniDiff = /*istanbul ignore start*/(0, _parse.parsePatch) /*istanbul ignore end*/(uniDiff); + } + + if (Array.isArray(uniDiff)) { + if (uniDiff.length > 1) { + throw new Error('applyPatch only works with a single input.'); + } + + uniDiff = uniDiff[0]; + } + + // Apply the diff to the input + var lines = source.split(/\r\n|[\n\v\f\r\x85]/), + delimiters = source.match(/\r\n|[\n\v\f\r\x85]/g) || [], + hunks = uniDiff.hunks, + compareLine = options.compareLine || function (lineNumber, line, operation, patchContent) /*istanbul ignore start*/{ + return (/*istanbul ignore end*/line === patchContent + ); + }, + errorCount = 0, + fuzzFactor = options.fuzzFactor || 0, + minLine = 0, + offset = 0, + removeEOFNL = /*istanbul ignore start*/void 0 /*istanbul ignore end*/, + addEOFNL = /*istanbul ignore start*/void 0 /*istanbul ignore end*/; + + /** + * Checks if the hunk exactly fits on the provided location + */ + function hunkFits(hunk, toPos) { + for (var j = 0; j < hunk.lines.length; j++) { + var line = hunk.lines[j], + operation = line.length > 0 ? line[0] : ' ', + content = line.length > 0 ? line.substr(1) : line; + + if (operation === ' ' || operation === '-') { + // Context sanity check + if (!compareLine(toPos + 1, lines[toPos], operation, content)) { + errorCount++; + + if (errorCount > fuzzFactor) { + return false; + } + } + toPos++; + } + } + + return true; + } + + // Search best fit offsets for each hunk based on the previous ones + for (var i = 0; i < hunks.length; i++) { + var hunk = hunks[i], + maxLine = lines.length - hunk.oldLines, + localOffset = 0, + toPos = offset + hunk.oldStart - 1; + + var iterator = /*istanbul ignore start*/(0, _distanceIterator2['default']) /*istanbul ignore end*/(toPos, minLine, maxLine); + + for (; localOffset !== undefined; localOffset = iterator()) { + if (hunkFits(hunk, toPos + localOffset)) { + hunk.offset = offset += localOffset; + break; + } + } + + if (localOffset === undefined) { + return false; + } + + // Set lower text limit to end of the current hunk, so next ones don't try + // to fit over already patched text + minLine = hunk.offset + hunk.oldStart + hunk.oldLines; + } + + // Apply patch hunks + var diffOffset = 0; + for (var _i = 0; _i < hunks.length; _i++) { + var _hunk = hunks[_i], + _toPos = _hunk.oldStart + _hunk.offset + diffOffset - 1; + diffOffset += _hunk.newLines - _hunk.oldLines; + + if (_toPos < 0) { + // Creating a new file + _toPos = 0; + } + + for (var j = 0; j < _hunk.lines.length; j++) { + var line = _hunk.lines[j], + operation = line.length > 0 ? line[0] : ' ', + content = line.length > 0 ? line.substr(1) : line, + delimiter = _hunk.linedelimiters[j]; + + if (operation === ' ') { + _toPos++; + } else if (operation === '-') { + lines.splice(_toPos, 1); + delimiters.splice(_toPos, 1); + /* istanbul ignore else */ + } else if (operation === '+') { + lines.splice(_toPos, 0, content); + delimiters.splice(_toPos, 0, delimiter); + _toPos++; + } else if (operation === '\\') { + var previousOperation = _hunk.lines[j - 1] ? _hunk.lines[j - 1][0] : null; + if (previousOperation === '+') { + removeEOFNL = true; + } else if (previousOperation === '-') { + addEOFNL = true; + } + } + } + } + + // Handle EOFNL insertion/removal + if (removeEOFNL) { + while (!lines[lines.length - 1]) { + lines.pop(); + delimiters.pop(); + } + } else if (addEOFNL) { + lines.push(''); + delimiters.push('\n'); + } + for (var _k = 0; _k < lines.length - 1; _k++) { + lines[_k] = lines[_k] + delimiters[_k]; + } + return lines.join(''); + } + + // Wrapper that supports multiple file patches via callbacks. + function applyPatches(uniDiff, options) { + if (typeof uniDiff === 'string') { + uniDiff = /*istanbul ignore start*/(0, _parse.parsePatch) /*istanbul ignore end*/(uniDiff); + } + + var currentIndex = 0; + function processIndex() { + var index = uniDiff[currentIndex++]; + if (!index) { + return options.complete(); + } + + options.loadFile(index, function (err, data) { + if (err) { + return options.complete(err); + } + + var updatedContent = applyPatch(data, index, options); + options.patched(index, updatedContent, function (err) { + if (err) { + return options.complete(err); + } + + processIndex(); + }); + }); + } + processIndex(); + } + + + +/***/ }), +/* 11 */ +/***/ (function(module, exports) { + + /*istanbul ignore start*/'use strict'; + + exports.__esModule = true; + exports. /*istanbul ignore end*/parsePatch = parsePatch; + function parsePatch(uniDiff) { + /*istanbul ignore start*/var /*istanbul ignore end*/options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; + + var diffstr = uniDiff.split(/\r\n|[\n\v\f\r\x85]/), + delimiters = uniDiff.match(/\r\n|[\n\v\f\r\x85]/g) || [], + list = [], + i = 0; + + function parseIndex() { + var index = {}; + list.push(index); + + // Parse diff metadata + while (i < diffstr.length) { + var line = diffstr[i]; + + // File header found, end parsing diff metadata + if (/^(\-\-\-|\+\+\+|@@)\s/.test(line)) { + break; + } + + // Diff index + var header = /^(?:Index:|diff(?: -r \w+)+)\s+(.+?)\s*$/.exec(line); + if (header) { + index.index = header[1]; + } + + i++; + } + + // Parse file headers if they are defined. Unified diff requires them, but + // there's no technical issues to have an isolated hunk without file header + parseFileHeader(index); + parseFileHeader(index); + + // Parse hunks + index.hunks = []; + + while (i < diffstr.length) { + var _line = diffstr[i]; + + if (/^(Index:|diff|\-\-\-|\+\+\+)\s/.test(_line)) { + break; + } else if (/^@@/.test(_line)) { + index.hunks.push(parseHunk()); + } else if (_line && options.strict) { + // Ignore unexpected content unless in strict mode + throw new Error('Unknown line ' + (i + 1) + ' ' + JSON.stringify(_line)); + } else { + i++; + } + } + } + + // Parses the --- and +++ headers, if none are found, no lines + // are consumed. + function parseFileHeader(index) { + var fileHeader = /^(---|\+\+\+)\s+(.*)$/.exec(diffstr[i]); + if (fileHeader) { + var keyPrefix = fileHeader[1] === '---' ? 'old' : 'new'; + var data = fileHeader[2].split('\t', 2); + var fileName = data[0].replace(/\\\\/g, '\\'); + if (/^".*"$/.test(fileName)) { + fileName = fileName.substr(1, fileName.length - 2); + } + index[keyPrefix + 'FileName'] = fileName; + index[keyPrefix + 'Header'] = (data[1] || '').trim(); + + i++; + } + } + + // Parses a hunk + // This assumes that we are at the start of a hunk. + function parseHunk() { + var chunkHeaderIndex = i, + chunkHeaderLine = diffstr[i++], + chunkHeader = chunkHeaderLine.split(/@@ -(\d+)(?:,(\d+))? \+(\d+)(?:,(\d+))? @@/); + + var hunk = { + oldStart: +chunkHeader[1], + oldLines: +chunkHeader[2] || 1, + newStart: +chunkHeader[3], + newLines: +chunkHeader[4] || 1, + lines: [], + linedelimiters: [] + }; + + var addCount = 0, + removeCount = 0; + for (; i < diffstr.length; i++) { + // Lines starting with '---' could be mistaken for the "remove line" operation + // But they could be the header for the next file. Therefore prune such cases out. + if (diffstr[i].indexOf('--- ') === 0 && i + 2 < diffstr.length && diffstr[i + 1].indexOf('+++ ') === 0 && diffstr[i + 2].indexOf('@@') === 0) { + break; + } + var operation = diffstr[i].length == 0 && i != diffstr.length - 1 ? ' ' : diffstr[i][0]; + + if (operation === '+' || operation === '-' || operation === ' ' || operation === '\\') { + hunk.lines.push(diffstr[i]); + hunk.linedelimiters.push(delimiters[i] || '\n'); + + if (operation === '+') { + addCount++; + } else if (operation === '-') { + removeCount++; + } else if (operation === ' ') { + addCount++; + removeCount++; + } + } else { + break; + } + } + + // Handle the empty block count case + if (!addCount && hunk.newLines === 1) { + hunk.newLines = 0; + } + if (!removeCount && hunk.oldLines === 1) { + hunk.oldLines = 0; + } + + // Perform optional sanity checking + if (options.strict) { + if (addCount !== hunk.newLines) { + throw new Error('Added line count did not match for hunk at line ' + (chunkHeaderIndex + 1)); + } + if (removeCount !== hunk.oldLines) { + throw new Error('Removed line count did not match for hunk at line ' + (chunkHeaderIndex + 1)); + } + } + + return hunk; + } + + while (i < diffstr.length) { + parseIndex(); + } + + return list; + } + + + +/***/ }), +/* 12 */ +/***/ (function(module, exports) { + + /*istanbul ignore start*/"use strict"; + + exports.__esModule = true; + + exports["default"] = /*istanbul ignore end*/function (start, minLine, maxLine) { + var wantForward = true, + backwardExhausted = false, + forwardExhausted = false, + localOffset = 1; + + return function iterator() { + if (wantForward && !forwardExhausted) { + if (backwardExhausted) { + localOffset++; + } else { + wantForward = false; + } + + // Check if trying to fit beyond text length, and if not, check it fits + // after offset location (or desired location on first iteration) + if (start + localOffset <= maxLine) { + return localOffset; + } + + forwardExhausted = true; + } + + if (!backwardExhausted) { + if (!forwardExhausted) { + wantForward = true; + } + + // Check if trying to fit before text beginning, and if not, check it fits + // before offset location + if (minLine <= start - localOffset) { + return -localOffset++; + } + + backwardExhausted = true; + return iterator(); + } + + // We tried to fit hunk before text beginning and beyond text length, then + // hunk can't fit on the text. Return undefined + }; + }; + + + +/***/ }), +/* 13 */ +/***/ (function(module, exports, __webpack_require__) { + + /*istanbul ignore start*/'use strict'; + + exports.__esModule = true; + exports. /*istanbul ignore end*/calcLineCount = calcLineCount; + /*istanbul ignore start*/exports. /*istanbul ignore end*/merge = merge; + + var /*istanbul ignore start*/_create = __webpack_require__(14) /*istanbul ignore end*/; + + var /*istanbul ignore start*/_parse = __webpack_require__(11) /*istanbul ignore end*/; + + var /*istanbul ignore start*/_array = __webpack_require__(15) /*istanbul ignore end*/; + + /*istanbul ignore start*/function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } } + + /*istanbul ignore end*/function calcLineCount(hunk) { + /*istanbul ignore start*/var _calcOldNewLineCount = /*istanbul ignore end*/calcOldNewLineCount(hunk.lines), + oldLines = _calcOldNewLineCount.oldLines, + newLines = _calcOldNewLineCount.newLines; + + if (oldLines !== undefined) { + hunk.oldLines = oldLines; + } else { + delete hunk.oldLines; + } + + if (newLines !== undefined) { + hunk.newLines = newLines; + } else { + delete hunk.newLines; + } + } + + function merge(mine, theirs, base) { + mine = loadPatch(mine, base); + theirs = loadPatch(theirs, base); + + var ret = {}; + + // For index we just let it pass through as it doesn't have any necessary meaning. + // Leaving sanity checks on this to the API consumer that may know more about the + // meaning in their own context. + if (mine.index || theirs.index) { + ret.index = mine.index || theirs.index; + } + + if (mine.newFileName || theirs.newFileName) { + if (!fileNameChanged(mine)) { + // No header or no change in ours, use theirs (and ours if theirs does not exist) + ret.oldFileName = theirs.oldFileName || mine.oldFileName; + ret.newFileName = theirs.newFileName || mine.newFileName; + ret.oldHeader = theirs.oldHeader || mine.oldHeader; + ret.newHeader = theirs.newHeader || mine.newHeader; + } else if (!fileNameChanged(theirs)) { + // No header or no change in theirs, use ours + ret.oldFileName = mine.oldFileName; + ret.newFileName = mine.newFileName; + ret.oldHeader = mine.oldHeader; + ret.newHeader = mine.newHeader; + } else { + // Both changed... figure it out + ret.oldFileName = selectField(ret, mine.oldFileName, theirs.oldFileName); + ret.newFileName = selectField(ret, mine.newFileName, theirs.newFileName); + ret.oldHeader = selectField(ret, mine.oldHeader, theirs.oldHeader); + ret.newHeader = selectField(ret, mine.newHeader, theirs.newHeader); + } + } + + ret.hunks = []; + + var mineIndex = 0, + theirsIndex = 0, + mineOffset = 0, + theirsOffset = 0; + + while (mineIndex < mine.hunks.length || theirsIndex < theirs.hunks.length) { + var mineCurrent = mine.hunks[mineIndex] || { oldStart: Infinity }, + theirsCurrent = theirs.hunks[theirsIndex] || { oldStart: Infinity }; + + if (hunkBefore(mineCurrent, theirsCurrent)) { + // This patch does not overlap with any of the others, yay. + ret.hunks.push(cloneHunk(mineCurrent, mineOffset)); + mineIndex++; + theirsOffset += mineCurrent.newLines - mineCurrent.oldLines; + } else if (hunkBefore(theirsCurrent, mineCurrent)) { + // This patch does not overlap with any of the others, yay. + ret.hunks.push(cloneHunk(theirsCurrent, theirsOffset)); + theirsIndex++; + mineOffset += theirsCurrent.newLines - theirsCurrent.oldLines; + } else { + // Overlap, merge as best we can + var mergedHunk = { + oldStart: Math.min(mineCurrent.oldStart, theirsCurrent.oldStart), + oldLines: 0, + newStart: Math.min(mineCurrent.newStart + mineOffset, theirsCurrent.oldStart + theirsOffset), + newLines: 0, + lines: [] + }; + mergeLines(mergedHunk, mineCurrent.oldStart, mineCurrent.lines, theirsCurrent.oldStart, theirsCurrent.lines); + theirsIndex++; + mineIndex++; + + ret.hunks.push(mergedHunk); + } + } + + return ret; + } + + function loadPatch(param, base) { + if (typeof param === 'string') { + if (/^@@/m.test(param) || /^Index:/m.test(param)) { + return (/*istanbul ignore start*/(0, _parse.parsePatch) /*istanbul ignore end*/(param)[0] + ); + } + + if (!base) { + throw new Error('Must provide a base reference or pass in a patch'); + } + return (/*istanbul ignore start*/(0, _create.structuredPatch) /*istanbul ignore end*/(undefined, undefined, base, param) + ); + } + + return param; + } + + function fileNameChanged(patch) { + return patch.newFileName && patch.newFileName !== patch.oldFileName; + } + + function selectField(index, mine, theirs) { + if (mine === theirs) { + return mine; + } else { + index.conflict = true; + return { mine: mine, theirs: theirs }; + } + } + + function hunkBefore(test, check) { + return test.oldStart < check.oldStart && test.oldStart + test.oldLines < check.oldStart; + } + + function cloneHunk(hunk, offset) { + return { + oldStart: hunk.oldStart, oldLines: hunk.oldLines, + newStart: hunk.newStart + offset, newLines: hunk.newLines, + lines: hunk.lines + }; + } + + function mergeLines(hunk, mineOffset, mineLines, theirOffset, theirLines) { + // This will generally result in a conflicted hunk, but there are cases where the context + // is the only overlap where we can successfully merge the content here. + var mine = { offset: mineOffset, lines: mineLines, index: 0 }, + their = { offset: theirOffset, lines: theirLines, index: 0 }; + + // Handle any leading content + insertLeading(hunk, mine, their); + insertLeading(hunk, their, mine); + + // Now in the overlap content. Scan through and select the best changes from each. + while (mine.index < mine.lines.length && their.index < their.lines.length) { + var mineCurrent = mine.lines[mine.index], + theirCurrent = their.lines[their.index]; + + if ((mineCurrent[0] === '-' || mineCurrent[0] === '+') && (theirCurrent[0] === '-' || theirCurrent[0] === '+')) { + // Both modified ... + mutualChange(hunk, mine, their); + } else if (mineCurrent[0] === '+' && theirCurrent[0] === ' ') { + /*istanbul ignore start*/var _hunk$lines; + + /*istanbul ignore end*/ // Mine inserted + /*istanbul ignore start*/(_hunk$lines = /*istanbul ignore end*/hunk.lines).push. /*istanbul ignore start*/apply /*istanbul ignore end*/( /*istanbul ignore start*/_hunk$lines /*istanbul ignore end*/, /*istanbul ignore start*/_toConsumableArray( /*istanbul ignore end*/collectChange(mine))); + } else if (theirCurrent[0] === '+' && mineCurrent[0] === ' ') { + /*istanbul ignore start*/var _hunk$lines2; + + /*istanbul ignore end*/ // Theirs inserted + /*istanbul ignore start*/(_hunk$lines2 = /*istanbul ignore end*/hunk.lines).push. /*istanbul ignore start*/apply /*istanbul ignore end*/( /*istanbul ignore start*/_hunk$lines2 /*istanbul ignore end*/, /*istanbul ignore start*/_toConsumableArray( /*istanbul ignore end*/collectChange(their))); + } else if (mineCurrent[0] === '-' && theirCurrent[0] === ' ') { + // Mine removed or edited + removal(hunk, mine, their); + } else if (theirCurrent[0] === '-' && mineCurrent[0] === ' ') { + // Their removed or edited + removal(hunk, their, mine, true); + } else if (mineCurrent === theirCurrent) { + // Context identity + hunk.lines.push(mineCurrent); + mine.index++; + their.index++; + } else { + // Context mismatch + conflict(hunk, collectChange(mine), collectChange(their)); + } + } + + // Now push anything that may be remaining + insertTrailing(hunk, mine); + insertTrailing(hunk, their); + + calcLineCount(hunk); + } + + function mutualChange(hunk, mine, their) { + var myChanges = collectChange(mine), + theirChanges = collectChange(their); + + if (allRemoves(myChanges) && allRemoves(theirChanges)) { + // Special case for remove changes that are supersets of one another + if ( /*istanbul ignore start*/(0, _array.arrayStartsWith) /*istanbul ignore end*/(myChanges, theirChanges) && skipRemoveSuperset(their, myChanges, myChanges.length - theirChanges.length)) { + /*istanbul ignore start*/var _hunk$lines3; + + /*istanbul ignore end*/ /*istanbul ignore start*/(_hunk$lines3 = /*istanbul ignore end*/hunk.lines).push. /*istanbul ignore start*/apply /*istanbul ignore end*/( /*istanbul ignore start*/_hunk$lines3 /*istanbul ignore end*/, /*istanbul ignore start*/_toConsumableArray( /*istanbul ignore end*/myChanges)); + return; + } else if ( /*istanbul ignore start*/(0, _array.arrayStartsWith) /*istanbul ignore end*/(theirChanges, myChanges) && skipRemoveSuperset(mine, theirChanges, theirChanges.length - myChanges.length)) { + /*istanbul ignore start*/var _hunk$lines4; + + /*istanbul ignore end*/ /*istanbul ignore start*/(_hunk$lines4 = /*istanbul ignore end*/hunk.lines).push. /*istanbul ignore start*/apply /*istanbul ignore end*/( /*istanbul ignore start*/_hunk$lines4 /*istanbul ignore end*/, /*istanbul ignore start*/_toConsumableArray( /*istanbul ignore end*/theirChanges)); + return; + } + } else if ( /*istanbul ignore start*/(0, _array.arrayEqual) /*istanbul ignore end*/(myChanges, theirChanges)) { + /*istanbul ignore start*/var _hunk$lines5; + + /*istanbul ignore end*/ /*istanbul ignore start*/(_hunk$lines5 = /*istanbul ignore end*/hunk.lines).push. /*istanbul ignore start*/apply /*istanbul ignore end*/( /*istanbul ignore start*/_hunk$lines5 /*istanbul ignore end*/, /*istanbul ignore start*/_toConsumableArray( /*istanbul ignore end*/myChanges)); + return; + } + + conflict(hunk, myChanges, theirChanges); + } + + function removal(hunk, mine, their, swap) { + var myChanges = collectChange(mine), + theirChanges = collectContext(their, myChanges); + if (theirChanges.merged) { + /*istanbul ignore start*/var _hunk$lines6; + + /*istanbul ignore end*/ /*istanbul ignore start*/(_hunk$lines6 = /*istanbul ignore end*/hunk.lines).push. /*istanbul ignore start*/apply /*istanbul ignore end*/( /*istanbul ignore start*/_hunk$lines6 /*istanbul ignore end*/, /*istanbul ignore start*/_toConsumableArray( /*istanbul ignore end*/theirChanges.merged)); + } else { + conflict(hunk, swap ? theirChanges : myChanges, swap ? myChanges : theirChanges); + } + } + + function conflict(hunk, mine, their) { + hunk.conflict = true; + hunk.lines.push({ + conflict: true, + mine: mine, + theirs: their + }); + } + + function insertLeading(hunk, insert, their) { + while (insert.offset < their.offset && insert.index < insert.lines.length) { + var line = insert.lines[insert.index++]; + hunk.lines.push(line); + insert.offset++; + } + } + function insertTrailing(hunk, insert) { + while (insert.index < insert.lines.length) { + var line = insert.lines[insert.index++]; + hunk.lines.push(line); + } + } + + function collectChange(state) { + var ret = [], + operation = state.lines[state.index][0]; + while (state.index < state.lines.length) { + var line = state.lines[state.index]; + + // Group additions that are immediately after subtractions and treat them as one "atomic" modify change. + if (operation === '-' && line[0] === '+') { + operation = '+'; + } + + if (operation === line[0]) { + ret.push(line); + state.index++; + } else { + break; + } + } + + return ret; + } + function collectContext(state, matchChanges) { + var changes = [], + merged = [], + matchIndex = 0, + contextChanges = false, + conflicted = false; + while (matchIndex < matchChanges.length && state.index < state.lines.length) { + var change = state.lines[state.index], + match = matchChanges[matchIndex]; + + // Once we've hit our add, then we are done + if (match[0] === '+') { + break; + } + + contextChanges = contextChanges || change[0] !== ' '; + + merged.push(match); + matchIndex++; + + // Consume any additions in the other block as a conflict to attempt + // to pull in the remaining context after this + if (change[0] === '+') { + conflicted = true; + + while (change[0] === '+') { + changes.push(change); + change = state.lines[++state.index]; + } + } + + if (match.substr(1) === change.substr(1)) { + changes.push(change); + state.index++; + } else { + conflicted = true; + } + } + + if ((matchChanges[matchIndex] || '')[0] === '+' && contextChanges) { + conflicted = true; + } + + if (conflicted) { + return changes; + } + + while (matchIndex < matchChanges.length) { + merged.push(matchChanges[matchIndex++]); + } + + return { + merged: merged, + changes: changes + }; + } + + function allRemoves(changes) { + return changes.reduce(function (prev, change) { + return prev && change[0] === '-'; + }, true); + } + function skipRemoveSuperset(state, removeChanges, delta) { + for (var i = 0; i < delta; i++) { + var changeContent = removeChanges[removeChanges.length - delta + i].substr(1); + if (state.lines[state.index + i] !== ' ' + changeContent) { + return false; + } + } + + state.index += delta; + return true; + } + + function calcOldNewLineCount(lines) { + var oldLines = 0; + var newLines = 0; + + lines.forEach(function (line) { + if (typeof line !== 'string') { + var myCount = calcOldNewLineCount(line.mine); + var theirCount = calcOldNewLineCount(line.theirs); + + if (oldLines !== undefined) { + if (myCount.oldLines === theirCount.oldLines) { + oldLines += myCount.oldLines; + } else { + oldLines = undefined; + } + } + + if (newLines !== undefined) { + if (myCount.newLines === theirCount.newLines) { + newLines += myCount.newLines; + } else { + newLines = undefined; + } + } + } else { + if (newLines !== undefined && (line[0] === '+' || line[0] === ' ')) { + newLines++; + } + if (oldLines !== undefined && (line[0] === '-' || line[0] === ' ')) { + oldLines++; + } + } + }); + + return { oldLines: oldLines, newLines: newLines }; + } + + + +/***/ }), +/* 14 */ +/***/ (function(module, exports, __webpack_require__) { + + /*istanbul ignore start*/'use strict'; + + exports.__esModule = true; + exports. /*istanbul ignore end*/structuredPatch = structuredPatch; + /*istanbul ignore start*/exports. /*istanbul ignore end*/createTwoFilesPatch = createTwoFilesPatch; + /*istanbul ignore start*/exports. /*istanbul ignore end*/createPatch = createPatch; + + var /*istanbul ignore start*/_line = __webpack_require__(5) /*istanbul ignore end*/; + + /*istanbul ignore start*/function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } } + + /*istanbul ignore end*/function structuredPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options) { + if (!options) { + options = {}; + } + if (typeof options.context === 'undefined') { + options.context = 4; + } + + var diff = /*istanbul ignore start*/(0, _line.diffLines) /*istanbul ignore end*/(oldStr, newStr, options); + diff.push({ value: '', lines: [] }); // Append an empty value to make cleanup easier + + function contextLines(lines) { + return lines.map(function (entry) { + return ' ' + entry; + }); + } + + var hunks = []; + var oldRangeStart = 0, + newRangeStart = 0, + curRange = [], + oldLine = 1, + newLine = 1; + + /*istanbul ignore start*/var _loop = function _loop( /*istanbul ignore end*/i) { + var current = diff[i], + lines = current.lines || current.value.replace(/\n$/, '').split('\n'); + current.lines = lines; + + if (current.added || current.removed) { + /*istanbul ignore start*/var _curRange; + + /*istanbul ignore end*/ // If we have previous context, start with that + if (!oldRangeStart) { + var prev = diff[i - 1]; + oldRangeStart = oldLine; + newRangeStart = newLine; + + if (prev) { + curRange = options.context > 0 ? contextLines(prev.lines.slice(-options.context)) : []; + oldRangeStart -= curRange.length; + newRangeStart -= curRange.length; + } + } + + // Output our changes + /*istanbul ignore start*/(_curRange = /*istanbul ignore end*/curRange).push. /*istanbul ignore start*/apply /*istanbul ignore end*/( /*istanbul ignore start*/_curRange /*istanbul ignore end*/, /*istanbul ignore start*/_toConsumableArray( /*istanbul ignore end*/lines.map(function (entry) { + return (current.added ? '+' : '-') + entry; + }))); + + // Track the updated file position + if (current.added) { + newLine += lines.length; + } else { + oldLine += lines.length; + } + } else { + // Identical context lines. Track line changes + if (oldRangeStart) { + // Close out any changes that have been output (or join overlapping) + if (lines.length <= options.context * 2 && i < diff.length - 2) { + /*istanbul ignore start*/var _curRange2; + + /*istanbul ignore end*/ // Overlapping + /*istanbul ignore start*/(_curRange2 = /*istanbul ignore end*/curRange).push. /*istanbul ignore start*/apply /*istanbul ignore end*/( /*istanbul ignore start*/_curRange2 /*istanbul ignore end*/, /*istanbul ignore start*/_toConsumableArray( /*istanbul ignore end*/contextLines(lines))); + } else { + /*istanbul ignore start*/var _curRange3; + + /*istanbul ignore end*/ // end the range and output + var contextSize = Math.min(lines.length, options.context); + /*istanbul ignore start*/(_curRange3 = /*istanbul ignore end*/curRange).push. /*istanbul ignore start*/apply /*istanbul ignore end*/( /*istanbul ignore start*/_curRange3 /*istanbul ignore end*/, /*istanbul ignore start*/_toConsumableArray( /*istanbul ignore end*/contextLines(lines.slice(0, contextSize)))); + + var hunk = { + oldStart: oldRangeStart, + oldLines: oldLine - oldRangeStart + contextSize, + newStart: newRangeStart, + newLines: newLine - newRangeStart + contextSize, + lines: curRange + }; + if (i >= diff.length - 2 && lines.length <= options.context) { + // EOF is inside this hunk + var oldEOFNewline = /\n$/.test(oldStr); + var newEOFNewline = /\n$/.test(newStr); + if (lines.length == 0 && !oldEOFNewline) { + // special case: old has no eol and no trailing context; no-nl can end up before adds + curRange.splice(hunk.oldLines, 0, '\\ No newline at end of file'); + } else if (!oldEOFNewline || !newEOFNewline) { + curRange.push('\\ No newline at end of file'); + } + } + hunks.push(hunk); + + oldRangeStart = 0; + newRangeStart = 0; + curRange = []; + } + } + oldLine += lines.length; + newLine += lines.length; + } + }; + + for (var i = 0; i < diff.length; i++) { + /*istanbul ignore start*/_loop( /*istanbul ignore end*/i); + } + + return { + oldFileName: oldFileName, newFileName: newFileName, + oldHeader: oldHeader, newHeader: newHeader, + hunks: hunks + }; + } + + function createTwoFilesPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options) { + var diff = structuredPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options); + + var ret = []; + if (oldFileName == newFileName) { + ret.push('Index: ' + oldFileName); + } + ret.push('==================================================================='); + ret.push('--- ' + diff.oldFileName + (typeof diff.oldHeader === 'undefined' ? '' : '\t' + diff.oldHeader)); + ret.push('+++ ' + diff.newFileName + (typeof diff.newHeader === 'undefined' ? '' : '\t' + diff.newHeader)); + + for (var i = 0; i < diff.hunks.length; i++) { + var hunk = diff.hunks[i]; + ret.push('@@ -' + hunk.oldStart + ',' + hunk.oldLines + ' +' + hunk.newStart + ',' + hunk.newLines + ' @@'); + ret.push.apply(ret, hunk.lines); + } + + return ret.join('\n') + '\n'; + } + + function createPatch(fileName, oldStr, newStr, oldHeader, newHeader, options) { + return createTwoFilesPatch(fileName, fileName, oldStr, newStr, oldHeader, newHeader, options); + } + + + +/***/ }), +/* 15 */ +/***/ (function(module, exports) { + + /*istanbul ignore start*/"use strict"; + + exports.__esModule = true; + exports. /*istanbul ignore end*/arrayEqual = arrayEqual; + /*istanbul ignore start*/exports. /*istanbul ignore end*/arrayStartsWith = arrayStartsWith; + function arrayEqual(a, b) { + if (a.length !== b.length) { + return false; + } + + return arrayStartsWith(a, b); + } + + function arrayStartsWith(array, start) { + if (start.length > array.length) { + return false; + } + + for (var i = 0; i < start.length; i++) { + if (start[i] !== array[i]) { + return false; + } + } + + return true; + } + + + +/***/ }), +/* 16 */ +/***/ (function(module, exports) { + + /*istanbul ignore start*/"use strict"; + + exports.__esModule = true; + exports. /*istanbul ignore end*/convertChangesToDMP = convertChangesToDMP; + // See: http://code.google.com/p/google-diff-match-patch/wiki/API + function convertChangesToDMP(changes) { + var ret = [], + change = /*istanbul ignore start*/void 0 /*istanbul ignore end*/, + operation = /*istanbul ignore start*/void 0 /*istanbul ignore end*/; + for (var i = 0; i < changes.length; i++) { + change = changes[i]; + if (change.added) { + operation = 1; + } else if (change.removed) { + operation = -1; + } else { + operation = 0; + } + + ret.push([operation, change.value]); + } + return ret; + } + + + +/***/ }), +/* 17 */ +/***/ (function(module, exports) { + + /*istanbul ignore start*/'use strict'; + + exports.__esModule = true; + exports. /*istanbul ignore end*/convertChangesToXML = convertChangesToXML; + function convertChangesToXML(changes) { + var ret = []; + for (var i = 0; i < changes.length; i++) { + var change = changes[i]; + if (change.added) { + ret.push(''); + } else if (change.removed) { + ret.push(''); + } + + ret.push(escapeHTML(change.value)); + + if (change.added) { + ret.push(''); + } else if (change.removed) { + ret.push(''); + } + } + return ret.join(''); + } + + function escapeHTML(s) { + var n = s; + n = n.replace(/&/g, '&'); + n = n.replace(//g, '>'); + n = n.replace(/"/g, '"'); + + return n; + } + + + +/***/ }) +/******/ ]) +}); +; +},{}],49:[function(require,module,exports){ +'use strict'; + +var matchOperatorsRe = /[|\\{}()[\]^$+*?.]/g; + +module.exports = function (str) { + if (typeof str !== 'string') { + throw new TypeError('Expected a string'); + } + + return str.replace(matchOperatorsRe, '\\$&'); +}; + +},{}],50:[function(require,module,exports){ +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + +var objectCreate = Object.create || objectCreatePolyfill +var objectKeys = Object.keys || objectKeysPolyfill +var bind = Function.prototype.bind || functionBindPolyfill + +function EventEmitter() { + if (!this._events || !Object.prototype.hasOwnProperty.call(this, '_events')) { + this._events = objectCreate(null); + this._eventsCount = 0; + } + + this._maxListeners = this._maxListeners || undefined; +} +module.exports = EventEmitter; + +// Backwards-compat with node 0.10.x +EventEmitter.EventEmitter = EventEmitter; + +EventEmitter.prototype._events = undefined; +EventEmitter.prototype._maxListeners = undefined; + +// By default EventEmitters will print a warning if more than 10 listeners are +// added to it. This is a useful default which helps finding memory leaks. +var defaultMaxListeners = 10; + +var hasDefineProperty; +try { + var o = {}; + if (Object.defineProperty) Object.defineProperty(o, 'x', { value: 0 }); + hasDefineProperty = o.x === 0; +} catch (err) { hasDefineProperty = false } +if (hasDefineProperty) { + Object.defineProperty(EventEmitter, 'defaultMaxListeners', { + enumerable: true, + get: function() { + return defaultMaxListeners; + }, + set: function(arg) { + // check whether the input is a positive number (whose value is zero or + // greater and not a NaN). + if (typeof arg !== 'number' || arg < 0 || arg !== arg) + throw new TypeError('"defaultMaxListeners" must be a positive number'); + defaultMaxListeners = arg; + } + }); +} else { + EventEmitter.defaultMaxListeners = defaultMaxListeners; +} + +// Obviously not all Emitters should be limited to 10. This function allows +// that to be increased. Set to zero for unlimited. +EventEmitter.prototype.setMaxListeners = function setMaxListeners(n) { + if (typeof n !== 'number' || n < 0 || isNaN(n)) + throw new TypeError('"n" argument must be a positive number'); + this._maxListeners = n; + return this; +}; + +function $getMaxListeners(that) { + if (that._maxListeners === undefined) + return EventEmitter.defaultMaxListeners; + return that._maxListeners; +} + +EventEmitter.prototype.getMaxListeners = function getMaxListeners() { + return $getMaxListeners(this); +}; + +// These standalone emit* functions are used to optimize calling of event +// handlers for fast cases because emit() itself often has a variable number of +// arguments and can be deoptimized because of that. These functions always have +// the same number of arguments and thus do not get deoptimized, so the code +// inside them can execute faster. +function emitNone(handler, isFn, self) { + if (isFn) + handler.call(self); + else { + var len = handler.length; + var listeners = arrayClone(handler, len); + for (var i = 0; i < len; ++i) + listeners[i].call(self); + } +} +function emitOne(handler, isFn, self, arg1) { + if (isFn) + handler.call(self, arg1); + else { + var len = handler.length; + var listeners = arrayClone(handler, len); + for (var i = 0; i < len; ++i) + listeners[i].call(self, arg1); + } +} +function emitTwo(handler, isFn, self, arg1, arg2) { + if (isFn) + handler.call(self, arg1, arg2); + else { + var len = handler.length; + var listeners = arrayClone(handler, len); + for (var i = 0; i < len; ++i) + listeners[i].call(self, arg1, arg2); + } +} +function emitThree(handler, isFn, self, arg1, arg2, arg3) { + if (isFn) + handler.call(self, arg1, arg2, arg3); + else { + var len = handler.length; + var listeners = arrayClone(handler, len); + for (var i = 0; i < len; ++i) + listeners[i].call(self, arg1, arg2, arg3); + } +} + +function emitMany(handler, isFn, self, args) { + if (isFn) + handler.apply(self, args); + else { + var len = handler.length; + var listeners = arrayClone(handler, len); + for (var i = 0; i < len; ++i) + listeners[i].apply(self, args); + } +} + +EventEmitter.prototype.emit = function emit(type) { + var er, handler, len, args, i, events; + var doError = (type === 'error'); + + events = this._events; + if (events) + doError = (doError && events.error == null); + else if (!doError) + return false; + + // If there is no 'error' event listener then throw. + if (doError) { + if (arguments.length > 1) + er = arguments[1]; + if (er instanceof Error) { + throw er; // Unhandled 'error' event + } else { + // At least give some kind of context to the user + var err = new Error('Unhandled "error" event. (' + er + ')'); + err.context = er; + throw err; + } + return false; + } + + handler = events[type]; + + if (!handler) + return false; + + var isFn = typeof handler === 'function'; + len = arguments.length; + switch (len) { + // fast cases + case 1: + emitNone(handler, isFn, this); + break; + case 2: + emitOne(handler, isFn, this, arguments[1]); + break; + case 3: + emitTwo(handler, isFn, this, arguments[1], arguments[2]); + break; + case 4: + emitThree(handler, isFn, this, arguments[1], arguments[2], arguments[3]); + break; + // slower + default: + args = new Array(len - 1); + for (i = 1; i < len; i++) + args[i - 1] = arguments[i]; + emitMany(handler, isFn, this, args); + } + + return true; +}; + +function _addListener(target, type, listener, prepend) { + var m; + var events; + var existing; + + if (typeof listener !== 'function') + throw new TypeError('"listener" argument must be a function'); + + events = target._events; + if (!events) { + events = target._events = objectCreate(null); + target._eventsCount = 0; + } else { + // To avoid recursion in the case that type === "newListener"! Before + // adding it to the listeners, first emit "newListener". + if (events.newListener) { + target.emit('newListener', type, + listener.listener ? listener.listener : listener); + + // Re-assign `events` because a newListener handler could have caused the + // this._events to be assigned to a new object + events = target._events; + } + existing = events[type]; + } + + if (!existing) { + // Optimize the case of one listener. Don't need the extra array object. + existing = events[type] = listener; + ++target._eventsCount; + } else { + if (typeof existing === 'function') { + // Adding the second element, need to change to array. + existing = events[type] = + prepend ? [listener, existing] : [existing, listener]; + } else { + // If we've already got an array, just append. + if (prepend) { + existing.unshift(listener); + } else { + existing.push(listener); + } + } + + // Check for listener leak + if (!existing.warned) { + m = $getMaxListeners(target); + if (m && m > 0 && existing.length > m) { + existing.warned = true; + var w = new Error('Possible EventEmitter memory leak detected. ' + + existing.length + ' "' + String(type) + '" listeners ' + + 'added. Use emitter.setMaxListeners() to ' + + 'increase limit.'); + w.name = 'MaxListenersExceededWarning'; + w.emitter = target; + w.type = type; + w.count = existing.length; + if (typeof console === 'object' && console.warn) { + console.warn('%s: %s', w.name, w.message); + } + } + } + } + + return target; +} + +EventEmitter.prototype.addListener = function addListener(type, listener) { + return _addListener(this, type, listener, false); +}; + +EventEmitter.prototype.on = EventEmitter.prototype.addListener; + +EventEmitter.prototype.prependListener = + function prependListener(type, listener) { + return _addListener(this, type, listener, true); + }; + +function onceWrapper() { + if (!this.fired) { + this.target.removeListener(this.type, this.wrapFn); + this.fired = true; + switch (arguments.length) { + case 0: + return this.listener.call(this.target); + case 1: + return this.listener.call(this.target, arguments[0]); + case 2: + return this.listener.call(this.target, arguments[0], arguments[1]); + case 3: + return this.listener.call(this.target, arguments[0], arguments[1], + arguments[2]); + default: + var args = new Array(arguments.length); + for (var i = 0; i < args.length; ++i) + args[i] = arguments[i]; + this.listener.apply(this.target, args); + } + } +} + +function _onceWrap(target, type, listener) { + var state = { fired: false, wrapFn: undefined, target: target, type: type, listener: listener }; + var wrapped = bind.call(onceWrapper, state); + wrapped.listener = listener; + state.wrapFn = wrapped; + return wrapped; +} + +EventEmitter.prototype.once = function once(type, listener) { + if (typeof listener !== 'function') + throw new TypeError('"listener" argument must be a function'); + this.on(type, _onceWrap(this, type, listener)); + return this; +}; + +EventEmitter.prototype.prependOnceListener = + function prependOnceListener(type, listener) { + if (typeof listener !== 'function') + throw new TypeError('"listener" argument must be a function'); + this.prependListener(type, _onceWrap(this, type, listener)); + return this; + }; + +// Emits a 'removeListener' event if and only if the listener was removed. +EventEmitter.prototype.removeListener = + function removeListener(type, listener) { + var list, events, position, i, originalListener; + + if (typeof listener !== 'function') + throw new TypeError('"listener" argument must be a function'); + + events = this._events; + if (!events) + return this; + + list = events[type]; + if (!list) + return this; + + if (list === listener || list.listener === listener) { + if (--this._eventsCount === 0) + this._events = objectCreate(null); + else { + delete events[type]; + if (events.removeListener) + this.emit('removeListener', type, list.listener || listener); + } + } else if (typeof list !== 'function') { + position = -1; + + for (i = list.length - 1; i >= 0; i--) { + if (list[i] === listener || list[i].listener === listener) { + originalListener = list[i].listener; + position = i; + break; + } + } + + if (position < 0) + return this; + + if (position === 0) + list.shift(); + else + spliceOne(list, position); + + if (list.length === 1) + events[type] = list[0]; + + if (events.removeListener) + this.emit('removeListener', type, originalListener || listener); + } + + return this; + }; + +EventEmitter.prototype.removeAllListeners = + function removeAllListeners(type) { + var listeners, events, i; + + events = this._events; + if (!events) + return this; + + // not listening for removeListener, no need to emit + if (!events.removeListener) { + if (arguments.length === 0) { + this._events = objectCreate(null); + this._eventsCount = 0; + } else if (events[type]) { + if (--this._eventsCount === 0) + this._events = objectCreate(null); + else + delete events[type]; + } + return this; + } + + // emit removeListener for all listeners on all events + if (arguments.length === 0) { + var keys = objectKeys(events); + var key; + for (i = 0; i < keys.length; ++i) { + key = keys[i]; + if (key === 'removeListener') continue; + this.removeAllListeners(key); + } + this.removeAllListeners('removeListener'); + this._events = objectCreate(null); + this._eventsCount = 0; + return this; + } + + listeners = events[type]; + + if (typeof listeners === 'function') { + this.removeListener(type, listeners); + } else if (listeners) { + // LIFO order + for (i = listeners.length - 1; i >= 0; i--) { + this.removeListener(type, listeners[i]); + } + } + + return this; + }; + +function _listeners(target, type, unwrap) { + var events = target._events; + + if (!events) + return []; + + var evlistener = events[type]; + if (!evlistener) + return []; + + if (typeof evlistener === 'function') + return unwrap ? [evlistener.listener || evlistener] : [evlistener]; + + return unwrap ? unwrapListeners(evlistener) : arrayClone(evlistener, evlistener.length); +} + +EventEmitter.prototype.listeners = function listeners(type) { + return _listeners(this, type, true); +}; + +EventEmitter.prototype.rawListeners = function rawListeners(type) { + return _listeners(this, type, false); +}; + +EventEmitter.listenerCount = function(emitter, type) { + if (typeof emitter.listenerCount === 'function') { + return emitter.listenerCount(type); + } else { + return listenerCount.call(emitter, type); + } +}; + +EventEmitter.prototype.listenerCount = listenerCount; +function listenerCount(type) { + var events = this._events; + + if (events) { + var evlistener = events[type]; + + if (typeof evlistener === 'function') { + return 1; + } else if (evlistener) { + return evlistener.length; + } + } + + return 0; +} + +EventEmitter.prototype.eventNames = function eventNames() { + return this._eventsCount > 0 ? Reflect.ownKeys(this._events) : []; +}; + +// About 1.5x faster than the two-arg version of Array#splice(). +function spliceOne(list, index) { + for (var i = index, k = i + 1, n = list.length; k < n; i += 1, k += 1) + list[i] = list[k]; + list.pop(); +} + +function arrayClone(arr, n) { + var copy = new Array(n); + for (var i = 0; i < n; ++i) + copy[i] = arr[i]; + return copy; +} + +function unwrapListeners(arr) { + var ret = new Array(arr.length); + for (var i = 0; i < ret.length; ++i) { + ret[i] = arr[i].listener || arr[i]; + } + return ret; +} + +function objectCreatePolyfill(proto) { + var F = function() {}; + F.prototype = proto; + return new F; +} +function objectKeysPolyfill(obj) { + var keys = []; + for (var k in obj) if (Object.prototype.hasOwnProperty.call(obj, k)) { + keys.push(k); + } + return k; +} +function functionBindPolyfill(context) { + var fn = this; + return function () { + return fn.apply(context, arguments); + }; +} + +},{}],51:[function(require,module,exports){ +'use strict'; + +/* eslint no-invalid-this: 1 */ + +var ERROR_MESSAGE = 'Function.prototype.bind called on incompatible '; +var slice = Array.prototype.slice; +var toStr = Object.prototype.toString; +var funcType = '[object Function]'; + +module.exports = function bind(that) { + var target = this; + if (typeof target !== 'function' || toStr.call(target) !== funcType) { + throw new TypeError(ERROR_MESSAGE + target); + } + var args = slice.call(arguments, 1); + + var bound; + var binder = function () { + if (this instanceof bound) { + var result = target.apply( + this, + args.concat(slice.call(arguments)) + ); + if (Object(result) === result) { + return result; + } + return this; + } else { + return target.apply( + that, + args.concat(slice.call(arguments)) + ); + } + }; + + var boundLength = Math.max(0, target.length - args.length); + var boundArgs = []; + for (var i = 0; i < boundLength; i++) { + boundArgs.push('$' + i); + } + + bound = Function('binder', 'return function (' + boundArgs.join(',') + '){ return binder.apply(this,arguments); }')(binder); + + if (target.prototype) { + var Empty = function Empty() {}; + Empty.prototype = target.prototype; + bound.prototype = new Empty(); + Empty.prototype = null; + } + + return bound; +}; + +},{}],52:[function(require,module,exports){ +'use strict'; + +var implementation = require('./implementation'); + +module.exports = Function.prototype.bind || implementation; + +},{"./implementation":51}],53:[function(require,module,exports){ +'use strict'; + +/* eslint complexity: [2, 17], max-statements: [2, 33] */ +module.exports = function hasSymbols() { + if (typeof Symbol !== 'function' || typeof Object.getOwnPropertySymbols !== 'function') { return false; } + if (typeof Symbol.iterator === 'symbol') { return true; } + + var obj = {}; + var sym = Symbol('test'); + var symObj = Object(sym); + if (typeof sym === 'string') { return false; } + + if (Object.prototype.toString.call(sym) !== '[object Symbol]') { return false; } + if (Object.prototype.toString.call(symObj) !== '[object Symbol]') { return false; } + + // temp disabled per https://github.com/ljharb/object.assign/issues/17 + // if (sym instanceof Symbol) { return false; } + // temp disabled per https://github.com/WebReflection/get-own-property-symbols/issues/4 + // if (!(symObj instanceof Symbol)) { return false; } + + // if (typeof Symbol.prototype.toString !== 'function') { return false; } + // if (String(sym) !== Symbol.prototype.toString.call(sym)) { return false; } + + var symVal = 42; + obj[sym] = symVal; + for (sym in obj) { return false; } // eslint-disable-line no-restricted-syntax + if (typeof Object.keys === 'function' && Object.keys(obj).length !== 0) { return false; } + + if (typeof Object.getOwnPropertyNames === 'function' && Object.getOwnPropertyNames(obj).length !== 0) { return false; } + + var syms = Object.getOwnPropertySymbols(obj); + if (syms.length !== 1 || syms[0] !== sym) { return false; } + + if (!Object.prototype.propertyIsEnumerable.call(obj, sym)) { return false; } + + if (typeof Object.getOwnPropertyDescriptor === 'function') { + var descriptor = Object.getOwnPropertyDescriptor(obj, sym); + if (descriptor.value !== symVal || descriptor.enumerable !== true) { return false; } + } + + return true; +}; + +},{}],54:[function(require,module,exports){ +(function (global){ +/*! https://mths.be/he v1.2.0 by @mathias | MIT license */ +;(function(root) { + + // Detect free variables `exports`. + var freeExports = typeof exports == 'object' && exports; + + // Detect free variable `module`. + var freeModule = typeof module == 'object' && module && + module.exports == freeExports && module; + + // Detect free variable `global`, from Node.js or Browserified code, + // and use it as `root`. + var freeGlobal = typeof global == 'object' && global; + if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) { + root = freeGlobal; + } + + /*--------------------------------------------------------------------------*/ + + // All astral symbols. + var regexAstralSymbols = /[\uD800-\uDBFF][\uDC00-\uDFFF]/g; + // All ASCII symbols (not just printable ASCII) except those listed in the + // first column of the overrides table. + // https://html.spec.whatwg.org/multipage/syntax.html#table-charref-overrides + var regexAsciiWhitelist = /[\x01-\x7F]/g; + // All BMP symbols that are not ASCII newlines, printable ASCII symbols, or + // code points listed in the first column of the overrides table on + // https://html.spec.whatwg.org/multipage/syntax.html#table-charref-overrides. + var regexBmpWhitelist = /[\x01-\t\x0B\f\x0E-\x1F\x7F\x81\x8D\x8F\x90\x9D\xA0-\uFFFF]/g; + + var regexEncodeNonAscii = 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+ var encodeMap = 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','\u2A73':'Esim','\u2A77':'eDDot','\u2A78':'equivDD','\u2A79':'ltcir','\u2A7A':'gtcir','\u2A7B':'ltquest','\u2A7C':'gtquest','\u2A7D':'les','\u2A7D\u0338':'nles','\u2A7E':'ges','\u2A7E\u0338':'nges','\u2A7F':'lesdot','\u2A80':'gesdot','\u2A81':'lesdoto','\u2A82':'gesdoto','\u2A83':'lesdotor','\u2A84':'gesdotol','\u2A85':'lap','\u2A86':'gap','\u2A87':'lne','\u2A88':'gne','\u2A89':'lnap','\u2A8A':'gnap','\u2A8B':'lEg','\u2A8C':'gEl','\u2A8D':'lsime','\u2A8E':'gsime','\u2A8F':'lsimg','\u2A90':'gsiml','\u2A91':'lgE','\u2A92':'glE','\u2A93':'lesges','\u2A94':'gesles','\u2A95':'els','\u2A96':'egs','\u2A97':'elsdot','\u2A98':'egsdot','\u2A99':'el','\u2A9A':'eg','\u2A9D':'siml','\u2A9E':'simg','\u2A9F':'simlE','\u2AA0':'simgE','\u2AA1':'LessLess','\u2AA1\u0338':'NotNestedLessLess','\u2AA2':'GreaterGreater','\u2AA2\u0338':'NotNestedGreaterGreater','\u2AA4':'glj','\u2AA5':'gla','\u2AA6':'ltcc','\u2AA7':'gtcc','\u2AA8':'lescc','\u2AA9':'gescc','\u2AAA':'smt','\u2AAB':'lat','\u2AAC':'smte','\u2AAC\uFE00':'smtes','\u2AAD':'late','\u2AAD\uFE00':'lates','\u2AAE':'bumpE','\u2AAF':'pre','\u2AAF\u0338':'npre','\u2AB0':'sce','\u2AB0\u0338':'nsce','\u2AB3':'prE','\u2AB4':'scE','\u2AB5':'prnE','\u2AB6':'scnE','\u2AB7':'prap','\u2AB8':'scap','\u2AB9':'prnap','\u2ABA':'scnap','\u2ABB':'Pr','\u2ABC':'Sc','\u2ABD':'subdot','\u2ABE':'supdot','\u2ABF':'subplus','\u2AC0':'supplus','\u2AC1':'submult','\u2AC2':'supmult','\u2AC3':'subedot','\u2AC4':'supedot','\u2AC5':'subE','\u2AC5\u0338':'nsubE','\u2AC6':'supE','\u2AC6\u0338':'nsupE','\u2AC7':'subsim','\u2AC8':'supsim','\u2ACB\uFE00':'vsubnE','\u2ACB':'subnE','\u2ACC\uFE00':'vsupnE','\u2ACC':'supnE','\u2ACF':'csub','\u2AD0':'csup','\u2AD1':'csube','\u2AD2':'csupe','\u2AD3':'subsup','\u2AD4':'supsub','\u2AD5':'subsub','\u2AD6':'supsup','\u2AD7':'suphsub','\u2AD8':'supdsub','\u2AD9':'forkv','\u2ADA':'topfork','\u2ADB':'mlcp','\u2AE4':'Dashv','\u2AE6':'Vdashl','\u2AE7':'Barv','\u2AE8':'vBar','\u2AE9':'vBarv','\u2AEB':'Vbar','\u2AEC':'Not','\u2AED':'bNot','\u2AEE':'rnmid','\u2AEF':'cirmid','\u2AF0':'midcir','\u2AF1':'topcir','\u2AF2':'nhpar','\u2AF3':'parsim','\u2AFD':'parsl','\u2AFD\u20E5':'nparsl','\u266D':'flat','\u266E':'natur','\u266F':'sharp','\xA4':'curren','\xA2':'cent','$':'dollar','\xA3':'pound','\xA5':'yen','\u20AC':'euro','\xB9':'sup1','\xBD':'half','\u2153':'frac13','\xBC':'frac14','\u2155':'frac15','\u2159':'frac16','\u215B':'frac18','\xB2':'sup2','\u2154':'frac23','\u2156':'frac25','\xB3':'sup3','\xBE':'frac34','\u2157':'frac35','\u215C':'frac38','\u2158':'frac45','\u215A':'frac56','\u215D':'frac58','\u215E':'frac78','\uD835\uDCB6':'ascr','\uD835\uDD52':'aopf','\uD835\uDD1E':'afr','\uD835\uDD38':'Aopf','\uD835\uDD04':'Afr','\uD835\uDC9C':'Ascr','\xAA':'ordf','\xE1':'aacute','\xC1':'Aacute','\xE0':'agrave','\xC0':'Agrave','\u0103':'abreve','\u0102':'Abreve','\xE2':'acirc','\xC2':'Acirc','\xE5':'aring','\xC5':'angst','\xE4':'auml','\xC4':'Auml','\xE3':'atilde','\xC3':'Atilde','\u0105':'aogon','\u0104':'Aogon','\u0101':'amacr','\u0100':'Amacr','\xE6':'aelig','\xC6':'AElig','\uD835\uDCB7':'bscr','\uD835\uDD53':'bopf','\uD835\uDD1F':'bfr','\uD835\uDD39':'Bopf','\u212C':'Bscr','\uD835\uDD05':'Bfr','\uD835\uDD20':'cfr','\uD835\uDCB8':'cscr','\uD835\uDD54':'copf','\u212D':'Cfr','\uD835\uDC9E':'Cscr','\u2102':'Copf','\u0107':'cacute','\u0106':'Cacute','\u0109':'ccirc','\u0108':'Ccirc','\u010D':'ccaron','\u010C':'Ccaron','\u010B':'cdot','\u010A':'Cdot','\xE7':'ccedil','\xC7':'Ccedil','\u2105':'incare','\uD835\uDD21':'dfr','\u2146':'dd','\uD835\uDD55':'dopf','\uD835\uDCB9':'dscr','\uD835\uDC9F':'Dscr','\uD835\uDD07':'Dfr','\u2145':'DD','\uD835\uDD3B':'Dopf','\u010F':'dcaron','\u010E':'Dcaron','\u0111':'dstrok','\u0110':'Dstrok','\xF0':'eth','\xD0':'ETH','\u2147':'ee','\u212F':'escr','\uD835\uDD22':'efr','\uD835\uDD56':'eopf','\u2130':'Escr','\uD835\uDD08':'Efr','\uD835\uDD3C':'Eopf','\xE9':'eacute','\xC9':'Eacute','\xE8':'egrave','\xC8':'Egrave','\xEA':'ecirc','\xCA':'Ecirc','\u011B':'ecaron','\u011A':'Ecaron','\xEB':'euml','\xCB':'Euml','\u0117':'edot','\u0116':'Edot','\u0119':'eogon','\u0118':'Eogon','\u0113':'emacr','\u0112':'Emacr','\uD835\uDD23':'ffr','\uD835\uDD57':'fopf','\uD835\uDCBB':'fscr','\uD835\uDD09':'Ffr','\uD835\uDD3D':'Fopf','\u2131':'Fscr','\uFB00':'fflig','\uFB03':'ffilig','\uFB04':'ffllig','\uFB01':'filig','fj':'fjlig','\uFB02':'fllig','\u0192':'fnof','\u210A':'gscr','\uD835\uDD58':'gopf','\uD835\uDD24':'gfr','\uD835\uDCA2':'Gscr','\uD835\uDD3E':'Gopf','\uD835\uDD0A':'Gfr','\u01F5':'gacute','\u011F':'gbreve','\u011E':'Gbreve','\u011D':'gcirc','\u011C':'Gcirc','\u0121':'gdot','\u0120':'Gdot','\u0122':'Gcedil','\uD835\uDD25':'hfr','\u210E':'planckh','\uD835\uDCBD':'hscr','\uD835\uDD59':'hopf','\u210B':'Hscr','\u210C':'Hfr','\u210D':'Hopf','\u0125':'hcirc','\u0124':'Hcirc','\u210F':'hbar','\u0127':'hstrok','\u0126':'Hstrok','\uD835\uDD5A':'iopf','\uD835\uDD26':'ifr','\uD835\uDCBE':'iscr','\u2148':'ii','\uD835\uDD40':'Iopf','\u2110':'Iscr','\u2111':'Im','\xED':'iacute','\xCD':'Iacute','\xEC':'igrave','\xCC':'Igrave','\xEE':'icirc','\xCE':'Icirc','\xEF':'iuml','\xCF':'Iuml','\u0129':'itilde','\u0128':'Itilde','\u0130':'Idot','\u012F':'iogon','\u012E':'Iogon','\u012B':'imacr','\u012A':'Imacr','\u0133':'ijlig','\u0132':'IJlig','\u0131':'imath','\uD835\uDCBF':'jscr','\uD835\uDD5B':'jopf','\uD835\uDD27':'jfr','\uD835\uDCA5':'Jscr','\uD835\uDD0D':'Jfr','\uD835\uDD41':'Jopf','\u0135':'jcirc','\u0134':'Jcirc','\u0237':'jmath','\uD835\uDD5C':'kopf','\uD835\uDCC0':'kscr','\uD835\uDD28':'kfr','\uD835\uDCA6':'Kscr','\uD835\uDD42':'Kopf','\uD835\uDD0E':'Kfr','\u0137':'kcedil','\u0136':'Kcedil','\uD835\uDD29':'lfr','\uD835\uDCC1':'lscr','\u2113':'ell','\uD835\uDD5D':'lopf','\u2112':'Lscr','\uD835\uDD0F':'Lfr','\uD835\uDD43':'Lopf','\u013A':'lacute','\u0139':'Lacute','\u013E':'lcaron','\u013D':'Lcaron','\u013C':'lcedil','\u013B':'Lcedil','\u0142':'lstrok','\u0141':'Lstrok','\u0140':'lmidot','\u013F':'Lmidot','\uD835\uDD2A':'mfr','\uD835\uDD5E':'mopf','\uD835\uDCC2':'mscr','\uD835\uDD10':'Mfr','\uD835\uDD44':'Mopf','\u2133':'Mscr','\uD835\uDD2B':'nfr','\uD835\uDD5F':'nopf','\uD835\uDCC3':'nscr','\u2115':'Nopf','\uD835\uDCA9':'Nscr','\uD835\uDD11':'Nfr','\u0144':'nacute','\u0143':'Nacute','\u0148':'ncaron','\u0147':'Ncaron','\xF1':'ntilde','\xD1':'Ntilde','\u0146':'ncedil','\u0145':'Ncedil','\u2116':'numero','\u014B':'eng','\u014A':'ENG','\uD835\uDD60':'oopf','\uD835\uDD2C':'ofr','\u2134':'oscr','\uD835\uDCAA':'Oscr','\uD835\uDD12':'Ofr','\uD835\uDD46':'Oopf','\xBA':'ordm','\xF3':'oacute','\xD3':'Oacute','\xF2':'ograve','\xD2':'Ograve','\xF4':'ocirc','\xD4':'Ocirc','\xF6':'ouml','\xD6':'Ouml','\u0151':'odblac','\u0150':'Odblac','\xF5':'otilde','\xD5':'Otilde','\xF8':'oslash','\xD8':'Oslash','\u014D':'omacr','\u014C':'Omacr','\u0153':'oelig','\u0152':'OElig','\uD835\uDD2D':'pfr','\uD835\uDCC5':'pscr','\uD835\uDD61':'popf','\u2119':'Popf','\uD835\uDD13':'Pfr','\uD835\uDCAB':'Pscr','\uD835\uDD62':'qopf','\uD835\uDD2E':'qfr','\uD835\uDCC6':'qscr','\uD835\uDCAC':'Qscr','\uD835\uDD14':'Qfr','\u211A':'Qopf','\u0138':'kgreen','\uD835\uDD2F':'rfr','\uD835\uDD63':'ropf','\uD835\uDCC7':'rscr','\u211B':'Rscr','\u211C':'Re','\u211D':'Ropf','\u0155':'racute','\u0154':'Racute','\u0159':'rcaron','\u0158':'Rcaron','\u0157':'rcedil','\u0156':'Rcedil','\uD835\uDD64':'sopf','\uD835\uDCC8':'sscr','\uD835\uDD30':'sfr','\uD835\uDD4A':'Sopf','\uD835\uDD16':'Sfr','\uD835\uDCAE':'Sscr','\u24C8':'oS','\u015B':'sacute','\u015A':'Sacute','\u015D':'scirc','\u015C':'Scirc','\u0161':'scaron','\u0160':'Scaron','\u015F':'scedil','\u015E':'Scedil','\xDF':'szlig','\uD835\uDD31':'tfr','\uD835\uDCC9':'tscr','\uD835\uDD65':'topf','\uD835\uDCAF':'Tscr','\uD835\uDD17':'Tfr','\uD835\uDD4B':'Topf','\u0165':'tcaron','\u0164':'Tcaron','\u0163':'tcedil','\u0162':'Tcedil','\u2122':'trade','\u0167':'tstrok','\u0166':'Tstrok','\uD835\uDCCA':'uscr','\uD835\uDD66':'uopf','\uD835\uDD32':'ufr','\uD835\uDD4C':'Uopf','\uD835\uDD18':'Ufr','\uD835\uDCB0':'Uscr','\xFA':'uacute','\xDA':'Uacute','\xF9':'ugrave','\xD9':'Ugrave','\u016D':'ubreve','\u016C':'Ubreve','\xFB':'ucirc','\xDB':'Ucirc','\u016F':'uring','\u016E':'Uring','\xFC':'uuml','\xDC':'Uuml','\u0171':'udblac','\u0170':'Udblac','\u0169':'utilde','\u0168':'Utilde','\u0173':'uogon','\u0172':'Uogon','\u016B':'umacr','\u016A':'Umacr','\uD835\uDD33':'vfr','\uD835\uDD67':'vopf','\uD835\uDCCB':'vscr','\uD835\uDD19':'Vfr','\uD835\uDD4D':'Vopf','\uD835\uDCB1':'Vscr','\uD835\uDD68':'wopf','\uD835\uDCCC':'wscr','\uD835\uDD34':'wfr','\uD835\uDCB2':'Wscr','\uD835\uDD4E':'Wopf','\uD835\uDD1A':'Wfr','\u0175':'wcirc','\u0174':'Wcirc','\uD835\uDD35':'xfr','\uD835\uDCCD':'xscr','\uD835\uDD69':'xopf','\uD835\uDD4F':'Xopf','\uD835\uDD1B':'Xfr','\uD835\uDCB3':'Xscr','\uD835\uDD36':'yfr','\uD835\uDCCE':'yscr','\uD835\uDD6A':'yopf','\uD835\uDCB4':'Yscr','\uD835\uDD1C':'Yfr','\uD835\uDD50':'Yopf','\xFD':'yacute','\xDD':'Yacute','\u0177':'ycirc','\u0176':'Ycirc','\xFF':'yuml','\u0178':'Yuml','\uD835\uDCCF':'zscr','\uD835\uDD37':'zfr','\uD835\uDD6B':'zopf','\u2128':'Zfr','\u2124':'Zopf','\uD835\uDCB5':'Zscr','\u017A':'zacute','\u0179':'Zacute','\u017E':'zcaron','\u017D':'Zcaron','\u017C':'zdot','\u017B':'Zdot','\u01B5':'imped','\xFE':'thorn','\xDE':'THORN','\u0149':'napos','\u03B1':'alpha','\u0391':'Alpha','\u03B2':'beta','\u0392':'Beta','\u03B3':'gamma','\u0393':'Gamma','\u03B4':'delta','\u0394':'Delta','\u03B5':'epsi','\u03F5':'epsiv','\u0395':'Epsilon','\u03DD':'gammad','\u03DC':'Gammad','\u03B6':'zeta','\u0396':'Zeta','\u03B7':'eta','\u0397':'Eta','\u03B8':'theta','\u03D1':'thetav','\u0398':'Theta','\u03B9':'iota','\u0399':'Iota','\u03BA':'kappa','\u03F0':'kappav','\u039A':'Kappa','\u03BB':'lambda','\u039B':'Lambda','\u03BC':'mu','\xB5':'micro','\u039C':'Mu','\u03BD':'nu','\u039D':'Nu','\u03BE':'xi','\u039E':'Xi','\u03BF':'omicron','\u039F':'Omicron','\u03C0':'pi','\u03D6':'piv','\u03A0':'Pi','\u03C1':'rho','\u03F1':'rhov','\u03A1':'Rho','\u03C3':'sigma','\u03A3':'Sigma','\u03C2':'sigmaf','\u03C4':'tau','\u03A4':'Tau','\u03C5':'upsi','\u03A5':'Upsilon','\u03D2':'Upsi','\u03C6':'phi','\u03D5':'phiv','\u03A6':'Phi','\u03C7':'chi','\u03A7':'Chi','\u03C8':'psi','\u03A8':'Psi','\u03C9':'omega','\u03A9':'ohm','\u0430':'acy','\u0410':'Acy','\u0431':'bcy','\u0411':'Bcy','\u0432':'vcy','\u0412':'Vcy','\u0433':'gcy','\u0413':'Gcy','\u0453':'gjcy','\u0403':'GJcy','\u0434':'dcy','\u0414':'Dcy','\u0452':'djcy','\u0402':'DJcy','\u0435':'iecy','\u0415':'IEcy','\u0451':'iocy','\u0401':'IOcy','\u0454':'jukcy','\u0404':'Jukcy','\u0436':'zhcy','\u0416':'ZHcy','\u0437':'zcy','\u0417':'Zcy','\u0455':'dscy','\u0405':'DScy','\u0438':'icy','\u0418':'Icy','\u0456':'iukcy','\u0406':'Iukcy','\u0457':'yicy','\u0407':'YIcy','\u0439':'jcy','\u0419':'Jcy','\u0458':'jsercy','\u0408':'Jsercy','\u043A':'kcy','\u041A':'Kcy','\u045C':'kjcy','\u040C':'KJcy','\u043B':'lcy','\u041B':'Lcy','\u0459':'ljcy','\u0409':'LJcy','\u043C':'mcy','\u041C':'Mcy','\u043D':'ncy','\u041D':'Ncy','\u045A':'njcy','\u040A':'NJcy','\u043E':'ocy','\u041E':'Ocy','\u043F':'pcy','\u041F':'Pcy','\u0440':'rcy','\u0420':'Rcy','\u0441':'scy','\u0421':'Scy','\u0442':'tcy','\u0422':'Tcy','\u045B':'tshcy','\u040B':'TSHcy','\u0443':'ucy','\u0423':'Ucy','\u045E':'ubrcy','\u040E':'Ubrcy','\u0444':'fcy','\u0424':'Fcy','\u0445':'khcy','\u0425':'KHcy','\u0446':'tscy','\u0426':'TScy','\u0447':'chcy','\u0427':'CHcy','\u045F':'dzcy','\u040F':'DZcy','\u0448':'shcy','\u0428':'SHcy','\u0449':'shchcy','\u0429':'SHCHcy','\u044A':'hardcy','\u042A':'HARDcy','\u044B':'ycy','\u042B':'Ycy','\u044C':'softcy','\u042C':'SOFTcy','\u044D':'ecy','\u042D':'Ecy','\u044E':'yucy','\u042E':'YUcy','\u044F':'yacy','\u042F':'YAcy','\u2135':'aleph','\u2136':'beth','\u2137':'gimel','\u2138':'daleth'}; + + var regexEscape = /["&'<>`]/g; + var escapeMap = { + '"': '"', + '&': '&', + '\'': ''', + '<': '<', + // See https://mathiasbynens.be/notes/ambiguous-ampersands: in HTML, the + // following is not strictly necessary unless it’s part of a tag or an + // unquoted attribute value. We’re only escaping it to support those + // situations, and for XML support. + '>': '>', + // In Internet Explorer ≤ 8, the backtick character can be used + // to break out of (un)quoted attribute values or HTML comments. + // See http://html5sec.org/#102, http://html5sec.org/#108, and + // http://html5sec.org/#133. + '`': '`' + }; + + var regexInvalidEntity = /&#(?:[xX][^a-fA-F0-9]|[^0-9xX])/; + var regexInvalidRawCodePoint = /[\0-\x08\x0B\x0E-\x1F\x7F-\x9F\uFDD0-\uFDEF\uFFFE\uFFFF]|[\uD83F\uD87F\uD8BF\uD8FF\uD93F\uD97F\uD9BF\uD9FF\uDA3F\uDA7F\uDABF\uDAFF\uDB3F\uDB7F\uDBBF\uDBFF][\uDFFE\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]/; + var regexDecode = /&(CounterClockwiseContourIntegral|DoubleLongLeftRightArrow|ClockwiseContourIntegral|NotNestedGreaterGreater|NotSquareSupersetEqual|DiacriticalDoubleAcute|NotRightTriangleEqual|NotSucceedsSlantEqual|NotPrecedesSlantEqual|CloseCurlyDoubleQuote|NegativeVeryThinSpace|DoubleContourIntegral|FilledVerySmallSquare|CapitalDifferentialD|OpenCurlyDoubleQuote|EmptyVerySmallSquare|NestedGreaterGreater|DoubleLongRightArrow|NotLeftTriangleEqual|NotGreaterSlantEqual|ReverseUpEquilibrium|DoubleLeftRightArrow|NotSquareSubsetEqual|NotDoubleVerticalBar|RightArrowLeftArrow|NotGreaterFullEqual|NotRightTriangleBar|SquareSupersetEqual|DownLeftRightVector|DoubleLongLeftArrow|leftrightsquigarrow|LeftArrowRightArrow|NegativeMediumSpace|blacktriangleright|RightDownVectorBar|PrecedesSlantEqual|RightDoubleBracket|SucceedsSlantEqual|NotLeftTriangleBar|RightTriangleEqual|SquareIntersection|RightDownTeeVector|ReverseEquilibrium|NegativeThickSpace|longleftrightarrow|Longleftrightarrow|LongLeftRightArrow|DownRightTeeVector|DownRightVectorBar|GreaterSlantEqual|SquareSubsetEqual|LeftDownVectorBar|LeftDoubleBracket|VerticalSeparator|rightleftharpoons|NotGreaterGreater|NotSquareSuperset|blacktriangleleft|blacktriangledown|NegativeThinSpace|LeftDownTeeVector|NotLessSlantEqual|leftrightharpoons|DoubleUpDownArrow|DoubleVerticalBar|LeftTriangleEqual|FilledSmallSquare|twoheadrightarrow|NotNestedLessLess|DownLeftTeeVector|DownLeftVectorBar|RightAngleBracket|NotTildeFullEqual|NotReverseElement|RightUpDownVector|DiacriticalTilde|NotSucceedsTilde|circlearrowright|NotPrecedesEqual|rightharpoondown|DoubleRightArrow|NotSucceedsEqual|NonBreakingSpace|NotRightTriangle|LessEqualGreater|RightUpTeeVector|LeftAngleBracket|GreaterFullEqual|DownArrowUpArrow|RightUpVectorBar|twoheadleftarrow|GreaterEqualLess|downharpoonright|RightTriangleBar|ntrianglerighteq|NotSupersetEqual|LeftUpDownVector|DiacriticalAcute|rightrightarrows|vartriangleright|UpArrowDownArrow|DiacriticalGrave|UnderParenthesis|EmptySmallSquare|LeftUpVectorBar|leftrightarrows|DownRightVector|downharpoonleft|trianglerighteq|ShortRightArrow|OverParenthesis|DoubleLeftArrow|DoubleDownArrow|NotSquareSubset|bigtriangledown|ntrianglelefteq|UpperRightArrow|curvearrowright|vartriangleleft|NotLeftTriangle|nleftrightarrow|LowerRightArrow|NotHumpDownHump|NotGreaterTilde|rightthreetimes|LeftUpTeeVector|NotGreaterEqual|straightepsilon|LeftTriangleBar|rightsquigarrow|ContourIntegral|rightleftarrows|CloseCurlyQuote|RightDownVector|LeftRightVector|nLeftrightarrow|leftharpoondown|circlearrowleft|SquareSuperset|OpenCurlyQuote|hookrightarrow|HorizontalLine|DiacriticalDot|NotLessGreater|ntriangleright|DoubleRightTee|InvisibleComma|InvisibleTimes|LowerLeftArrow|DownLeftVector|NotSubsetEqual|curvearrowleft|trianglelefteq|NotVerticalBar|TildeFullEqual|downdownarrows|NotGreaterLess|RightTeeVector|ZeroWidthSpace|looparrowright|LongRightArrow|doublebarwedge|ShortLeftArrow|ShortDownArrow|RightVectorBar|GreaterGreater|ReverseElement|rightharpoonup|LessSlantEqual|leftthreetimes|upharpoonright|rightarrowtail|LeftDownVector|Longrightarrow|NestedLessLess|UpperLeftArrow|nshortparallel|leftleftarrows|leftrightarrow|Leftrightarrow|LeftRightArrow|longrightarrow|upharpoonleft|RightArrowBar|ApplyFunction|LeftTeeVector|leftarrowtail|NotEqualTilde|varsubsetneqq|varsupsetneqq|RightTeeArrow|SucceedsEqual|SucceedsTilde|LeftVectorBar|SupersetEqual|hookleftarrow|DifferentialD|VerticalTilde|VeryThinSpace|blacktriangle|bigtriangleup|LessFullEqual|divideontimes|leftharpoonup|UpEquilibrium|ntriangleleft|RightTriangle|measuredangle|shortparallel|longleftarrow|Longleftarrow|LongLeftArrow|DoubleLeftTee|Poincareplane|PrecedesEqual|triangleright|DoubleUpArrow|RightUpVector|fallingdotseq|looparrowleft|PrecedesTilde|NotTildeEqual|NotTildeTilde|smallsetminus|Proportional|triangleleft|triangledown|UnderBracket|NotHumpEqual|exponentiale|ExponentialE|NotLessTilde|HilbertSpace|RightCeiling|blacklozenge|varsupsetneq|HumpDownHump|GreaterEqual|VerticalLine|LeftTeeArrow|NotLessEqual|DownTeeArrow|LeftTriangle|varsubsetneq|Intersection|NotCongruent|DownArrowBar|LeftUpVector|LeftArrowBar|risingdotseq|GreaterTilde|RoundImplies|SquareSubset|ShortUpArrow|NotSuperset|quaternions|precnapprox|backepsilon|preccurlyeq|OverBracket|blacksquare|MediumSpace|VerticalBar|circledcirc|circleddash|CircleMinus|CircleTimes|LessGreater|curlyeqprec|curlyeqsucc|diamondsuit|UpDownArrow|Updownarrow|RuleDelayed|Rrightarrow|updownarrow|RightVector|nRightarrow|nrightarrow|eqslantless|LeftCeiling|Equilibrium|SmallCircle|expectation|NotSucceeds|thickapprox|GreaterLess|SquareUnion|NotPrecedes|NotLessLess|straightphi|succnapprox|succcurlyeq|SubsetEqual|sqsupseteq|Proportion|Laplacetrf|ImaginaryI|supsetneqq|NotGreater|gtreqqless|NotElement|ThickSpace|TildeEqual|TildeTilde|Fouriertrf|rmoustache|EqualTilde|eqslantgtr|UnderBrace|LeftVector|UpArrowBar|nLeftarrow|nsubseteqq|subsetneqq|nsupseteqq|nleftarrow|succapprox|lessapprox|UpTeeArrow|upuparrows|curlywedge|lesseqqgtr|varepsilon|varnothing|RightFloor|c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|Fscr|gdot|gsim|Gscr|gscr|Gopf|gopf|gneq|Gdot|tosa|gnap|Topf|topf|geqq|toea|GJcy|gjcy|tint|gesl|mid|Sfr|ggg|top|ges|gla|glE|glj|geq|gne|gEl|gel|gnE|Gcy|gcy|gap|Tfr|tfr|Tcy|tcy|Hat|Tau|Ffr|tau|Tab|hfr|Hfr|ffr|Fcy|fcy|icy|Icy|iff|ETH|eth|ifr|Ifr|Eta|eta|int|Int|Sup|sup|ucy|Ucy|Sum|sum|jcy|ENG|ufr|Ufr|eng|Jcy|jfr|els|ell|egs|Efr|efr|Jfr|uml|kcy|Kcy|Ecy|ecy|kfr|Kfr|lap|Sub|sub|lat|lcy|Lcy|leg|Dot|dot|lEg|leq|les|squ|div|die|lfr|Lfr|lgE|Dfr|dfr|Del|deg|Dcy|dcy|lne|lnE|sol|loz|smt|Cup|lrm|cup|lsh|Lsh|sim|shy|map|Map|mcy|Mcy|mfr|Mfr|mho|gfr|Gfr|sfr|cir|Chi|chi|nap|Cfr|vcy|Vcy|cfr|Scy|scy|ncy|Ncy|vee|Vee|Cap|cap|nfr|scE|sce|Nfr|nge|ngE|nGg|vfr|Vfr|ngt|bot|nGt|nis|niv|Rsh|rsh|nle|nlE|bne|Bfr|bfr|nLl|nlt|nLt|Bcy|bcy|not|Not|rlm|wfr|Wfr|npr|nsc|num|ocy|ast|Ocy|ofr|xfr|Xfr|Ofr|ogt|ohm|apE|olt|Rho|ape|rho|Rfr|rfr|ord|REG|ang|reg|orv|And|and|AMP|Rcy|amp|Afr|ycy|Ycy|yen|yfr|Yfr|rcy|par|pcy|Pcy|pfr|Pfr|phi|Phi|afr|Acy|acy|zcy|Zcy|piv|acE|acd|zfr|Zfr|pre|prE|psi|Psi|qfr|Qfr|zwj|Or|ge|Gg|gt|gg|el|oS|lt|Lt|LT|Re|lg|gl|eg|ne|Im|it|le|DD|wp|wr|nu|Nu|dd|lE|Sc|sc|pi|Pi|ee|af|ll|Ll|rx|gE|xi|pm|Xi|ic|pr|Pr|in|ni|mp|mu|ac|Mu|or|ap|Gt|GT|ii);|&(Aacute|Agrave|Atilde|Ccedil|Eacute|Egrave|Iacute|Igrave|Ntilde|Oacute|Ograve|Oslash|Otilde|Uacute|Ugrave|Yacute|aacute|agrave|atilde|brvbar|ccedil|curren|divide|eacute|egrave|frac12|frac14|frac34|iacute|igrave|iquest|middot|ntilde|oacute|ograve|oslash|otilde|plusmn|uacute|ugrave|yacute|AElig|Acirc|Aring|Ecirc|Icirc|Ocirc|THORN|Ucirc|acirc|acute|aelig|aring|cedil|ecirc|icirc|iexcl|laquo|micro|ocirc|pound|raquo|szlig|thorn|times|ucirc|Auml|COPY|Euml|Iuml|Ouml|QUOT|Uuml|auml|cent|copy|euml|iuml|macr|nbsp|ordf|ordm|ouml|para|quot|sect|sup1|sup2|sup3|uuml|yuml|AMP|ETH|REG|amp|deg|eth|not|reg|shy|uml|yen|GT|LT|gt|lt)(?!;)([=a-zA-Z0-9]?)|&#([0-9]+)(;?)|&#[xX]([a-fA-F0-9]+)(;?)|&([0-9a-zA-Z]+)/g; + var decodeMap = {'aacute':'\xE1','Aacute':'\xC1','abreve':'\u0103','Abreve':'\u0102','ac':'\u223E','acd':'\u223F','acE':'\u223E\u0333','acirc':'\xE2','Acirc':'\xC2','acute':'\xB4','acy':'\u0430','Acy':'\u0410','aelig':'\xE6','AElig':'\xC6','af':'\u2061','afr':'\uD835\uDD1E','Afr':'\uD835\uDD04','agrave':'\xE0','Agrave':'\xC0','alefsym':'\u2135','aleph':'\u2135','alpha':'\u03B1','Alpha':'\u0391','amacr':'\u0101','Amacr':'\u0100','amalg':'\u2A3F','amp':'&','AMP':'&','and':'\u2227','And':'\u2A53','andand':'\u2A55','andd':'\u2A5C','andslope':'\u2A58','andv':'\u2A5A','ang':'\u2220','ange':'\u29A4','angle':'\u2220','angmsd':'\u2221','angmsdaa':'\u29A8','angmsdab':'\u29A9','angmsdac':'\u29AA','angmsdad':'\u29AB','angmsdae':'\u29AC','angmsdaf':'\u29AD','angmsdag':'\u29AE','angmsdah':'\u29AF','angrt':'\u221F','angrtvb':'\u22BE','angrtvbd':'\u299D','angsph':'\u2222','angst':'\xC5','angzarr':'\u237C','aogon':'\u0105','Aogon':'\u0104','aopf':'\uD835\uDD52','Aopf':'\uD835\uDD38','ap':'\u2248','apacir':'\u2A6F','ape':'\u224A','apE':'\u2A70','apid':'\u224B','apos':'\'','ApplyFunction':'\u2061','approx':'\u2248','approxeq':'\u224A','aring':'\xE5','Aring':'\xC5','ascr':'\uD835\uDCB6','Ascr':'\uD835\uDC9C','Assign':'\u2254','ast':'*','asymp':'\u2248','asympeq':'\u224D','atilde':'\xE3','Atilde':'\xC3','auml':'\xE4','Auml':'\xC4','awconint':'\u2233','awint':'\u2A11','backcong':'\u224C','backepsilon':'\u03F6','backprime':'\u2035','backsim':'\u223D','backsimeq':'\u22CD','Backslash':'\u2216','Barv':'\u2AE7','barvee':'\u22BD','barwed':'\u2305','Barwed':'\u2306','barwedge':'\u2305','bbrk':'\u23B5','bbrktbrk':'\u23B6','bcong':'\u224C','bcy':'\u0431','Bcy':'\u0411','bdquo':'\u201E','becaus':'\u2235','because':'\u2235','Because':'\u2235','bemptyv':'\u29B0','bepsi':'\u03F6','bernou':'\u212C','Bernoullis':'\u212C','beta':'\u03B2','Beta':'\u0392','beth':'\u2136','between':'\u226C','bfr':'\uD835\uDD1F','Bfr':'\uD835\uDD05','bigcap':'\u22C2','bigcirc':'\u25EF','bigcup':'\u22C3','bigodot':'\u2A00','bigoplus':'\u2A01','bigotimes':'\u2A02','bigsqcup':'\u2A06','bigstar':'\u2605','bigtriangledown':'\u25BD','bigtriangleup':'\u25B3','biguplus':'\u2A04','bigvee':'\u22C1','bigwedge':'\u22C0','bkarow':'\u290D','blacklozenge':'\u29EB','blacksquare':'\u25AA','blacktriangle':'\u25B4','blacktriangledown':'\u25BE','blacktriangleleft':'\u25C2','blacktriangleright':'\u25B8','blank':'\u2423','blk12':'\u2592','blk14':'\u2591','blk34':'\u2593','block':'\u2588','bne':'=\u20E5','bnequiv':'\u2261\u20E5','bnot':'\u2310','bNot':'\u2AED','bopf':'\uD835\uDD53','Bopf':'\uD835\uDD39','bot':'\u22A5','bottom':'\u22A5','bowtie':'\u22C8','boxbox':'\u29C9','boxdl':'\u2510','boxdL':'\u2555','boxDl':'\u2556','boxDL':'\u2557','boxdr':'\u250C','boxdR':'\u2552','boxDr':'\u2553','boxDR':'\u2554','boxh':'\u2500','boxH':'\u2550','boxhd':'\u252C','boxhD':'\u2565','boxHd':'\u2564','boxHD':'\u2566','boxhu':'\u2534','boxhU':'\u2568','boxHu':'\u2567','boxHU':'\u2569','boxminus':'\u229F','boxplus':'\u229E','boxtimes':'\u22A0','boxul':'\u2518','boxuL':'\u255B','boxUl':'\u255C','boxUL':'\u255D','boxur':'\u2514','boxuR':'\u2558','boxUr':'\u2559','boxUR':'\u255A','boxv':'\u2502','boxV':'\u2551','boxvh':'\u253C','boxvH':'\u256A','boxVh':'\u256B','boxVH':'\u256C','boxvl':'\u2524','boxvL':'\u2561','boxVl':'\u2562','boxVL':'\u2563','boxvr':'\u251C','boxvR':'\u255E','boxVr':'\u255F','boxVR':'\u2560','bprime':'\u2035','breve':'\u02D8','Breve':'\u02D8','brvbar':'\xA6','bscr':'\uD835\uDCB7','Bscr':'\u212C','bsemi':'\u204F','bsim':'\u223D','bsime':'\u22CD','bsol':'\\','bsolb':'\u29C5','bsolhsub':'\u27C8','bull':'\u2022','bullet':'\u2022','bump':'\u224E','bumpe':'\u224F','bumpE':'\u2AAE','bumpeq':'\u224F','Bumpeq':'\u224E','cacute':'\u0107','Cacute':'\u0106','cap':'\u2229','Cap':'\u22D2','capand':'\u2A44','capbrcup':'\u2A49','capcap':'\u2A4B','capcup':'\u2A47','capdot':'\u2A40','CapitalDifferentialD':'\u2145','caps':'\u2229\uFE00','caret':'\u2041','caron':'\u02C7','Cayleys':'\u212D','ccaps':'\u2A4D','ccaron':'\u010D','Ccaron':'\u010C','ccedil':'\xE7','Ccedil':'\xC7','ccirc':'\u0109','Ccirc':'\u0108','Cconint':'\u2230','ccups':'\u2A4C','ccupssm':'\u2A50','cdot':'\u010B','Cdot':'\u010A','cedil':'\xB8','Cedilla':'\xB8','cemptyv':'\u29B2','cent':'\xA2','centerdot':'\xB7','CenterDot':'\xB7','cfr':'\uD835\uDD20','Cfr':'\u212D','chcy':'\u0447','CHcy':'\u0427','check':'\u2713','checkmark':'\u2713','chi':'\u03C7','Chi':'\u03A7','cir':'\u25CB','circ':'\u02C6','circeq':'\u2257','circlearrowleft':'\u21BA','circlearrowright':'\u21BB','circledast':'\u229B','circledcirc':'\u229A','circleddash':'\u229D','CircleDot':'\u2299','circledR':'\xAE','circledS':'\u24C8','CircleMinus':'\u2296','CirclePlus':'\u2295','CircleTimes':'\u2297','cire':'\u2257','cirE':'\u29C3','cirfnint':'\u2A10','cirmid':'\u2AEF','cirscir':'\u29C2','ClockwiseContourIntegral':'\u2232','CloseCurlyDoubleQuote':'\u201D','CloseCurlyQuote':'\u2019','clubs':'\u2663','clubsuit':'\u2663','colon':':','Colon':'\u2237','colone':'\u2254','Colone':'\u2A74','coloneq':'\u2254','comma':',','commat':'@','comp':'\u2201','compfn':'\u2218','complement':'\u2201','complexes':'\u2102','cong':'\u2245','congdot':'\u2A6D','Congruent':'\u2261','conint':'\u222E','Conint':'\u222F','ContourIntegral':'\u222E','copf':'\uD835\uDD54','Copf':'\u2102','coprod':'\u2210','Coproduct':'\u2210','copy':'\xA9','COPY':'\xA9','copysr':'\u2117','CounterClockwiseContourIntegral':'\u2233','crarr':'\u21B5','cross':'\u2717','Cross':'\u2A2F','cscr':'\uD835\uDCB8','Cscr':'\uD835\uDC9E','csub':'\u2ACF','csube':'\u2AD1','csup':'\u2AD0','csupe':'\u2AD2','ctdot':'\u22EF','cudarrl':'\u2938','cudarrr':'\u2935','cuepr':'\u22DE','cuesc':'\u22DF','cularr':'\u21B6','cularrp':'\u293D','cup':'\u222A','Cup':'\u22D3','cupbrcap':'\u2A48','cupcap':'\u2A46','CupCap':'\u224D','cupcup':'\u2A4A','cupdot':'\u228D','cupor':'\u2A45','cups':'\u222A\uFE00','curarr':'\u21B7','curarrm':'\u293C','curlyeqprec':'\u22DE','curlyeqsucc':'\u22DF','curlyvee':'\u22CE','curlywedge':'\u22CF','curren':'\xA4','curvearrowleft':'\u21B6','curvearrowright':'\u21B7','cuvee':'\u22CE','cuwed':'\u22CF','cwconint':'\u2232','cwint':'\u2231','cylcty':'\u232D','dagger':'\u2020','Dagger':'\u2021','daleth':'\u2138','darr':'\u2193','dArr':'\u21D3','Darr':'\u21A1','dash':'\u2010','dashv':'\u22A3','Dashv':'\u2AE4','dbkarow':'\u290F','dblac':'\u02DD','dcaron':'\u010F','Dcaron':'\u010E','dcy':'\u0434','Dcy':'\u0414','dd':'\u2146','DD':'\u2145','ddagger':'\u2021','ddarr':'\u21CA','DDotrahd':'\u2911','ddotseq':'\u2A77','deg':'\xB0','Del':'\u2207','delta':'\u03B4','Delta':'\u0394','demptyv':'\u29B1','dfisht':'\u297F','dfr':'\uD835\uDD21','Dfr':'\uD835\uDD07','dHar':'\u2965','dharl':'\u21C3','dharr':'\u21C2','DiacriticalAcute':'\xB4','DiacriticalDot':'\u02D9','DiacriticalDoubleAcute':'\u02DD','DiacriticalGrave':'`','DiacriticalTilde':'\u02DC','diam':'\u22C4','diamond':'\u22C4','Diamond':'\u22C4','diamondsuit':'\u2666','diams':'\u2666','die':'\xA8','DifferentialD':'\u2146','digamma':'\u03DD','disin':'\u22F2','div':'\xF7','divide':'\xF7','divideontimes':'\u22C7','divonx':'\u22C7','djcy':'\u0452','DJcy':'\u0402','dlcorn':'\u231E','dlcrop':'\u230D','dollar':'$','dopf':'\uD835\uDD55','Dopf':'\uD835\uDD3B','dot':'\u02D9','Dot':'\xA8','DotDot':'\u20DC','doteq':'\u2250','doteqdot':'\u2251','DotEqual':'\u2250','dotminus':'\u2238','dotplus':'\u2214','dotsquare':'\u22A1','doublebarwedge':'\u2306','DoubleContourIntegral':'\u222F','DoubleDot':'\xA8','DoubleDownArrow':'\u21D3','DoubleLeftArrow':'\u21D0','DoubleLeftRightArrow':'\u21D4','DoubleLeftTee':'\u2AE4','DoubleLongLeftArrow':'\u27F8','DoubleLongLeftRightArrow':'\u27FA','DoubleLongRightArrow':'\u27F9','DoubleRightArrow':'\u21D2','DoubleRightTee':'\u22A8','DoubleUpArrow':'\u21D1','DoubleUpDownArrow':'\u21D5','DoubleVerticalBar':'\u2225','downarrow':'\u2193','Downarrow':'\u21D3','DownArrow':'\u2193','DownArrowBar':'\u2913','DownArrowUpArrow':'\u21F5','DownBreve':'\u0311','downdownarrows':'\u21CA','downharpoonleft':'\u21C3','downharpoonright':'\u21C2','DownLeftRightVector':'\u2950','DownLeftTeeVector':'\u295E','DownLeftVector':'\u21BD','DownLeftVectorBar':'\u2956','DownRightTeeVector':'\u295F','DownRightVector':'\u21C1','DownRightVectorBar':'\u2957','DownTee':'\u22A4','DownTeeArrow':'\u21A7','drbkarow':'\u2910','drcorn':'\u231F','drcrop':'\u230C','dscr':'\uD835\uDCB9','Dscr':'\uD835\uDC9F','dscy':'\u0455','DScy':'\u0405','dsol':'\u29F6','dstrok':'\u0111','Dstrok':'\u0110','dtdot':'\u22F1','dtri':'\u25BF','dtrif':'\u25BE','duarr':'\u21F5','duhar':'\u296F','dwangle':'\u29A6','dzcy':'\u045F','DZcy':'\u040F','dzigrarr':'\u27FF','eacute':'\xE9','Eacute':'\xC9','easter':'\u2A6E','ecaron':'\u011B','Ecaron':'\u011A','ecir':'\u2256','ecirc':'\xEA','Ecirc':'\xCA','ecolon':'\u2255','ecy':'\u044D','Ecy':'\u042D','eDDot':'\u2A77','edot':'\u0117','eDot':'\u2251','Edot':'\u0116','ee':'\u2147','efDot':'\u2252','efr':'\uD835\uDD22','Efr':'\uD835\uDD08','eg':'\u2A9A','egrave':'\xE8','Egrave':'\xC8','egs':'\u2A96','egsdot':'\u2A98','el':'\u2A99','Element':'\u2208','elinters':'\u23E7','ell':'\u2113','els':'\u2A95','elsdot':'\u2A97','emacr':'\u0113','Emacr':'\u0112','empty':'\u2205','emptyset':'\u2205','EmptySmallSquare':'\u25FB','emptyv':'\u2205','EmptyVerySmallSquare':'\u25AB','emsp':'\u2003','emsp13':'\u2004','emsp14':'\u2005','eng':'\u014B','ENG':'\u014A','ensp':'\u2002','eogon':'\u0119','Eogon':'\u0118','eopf':'\uD835\uDD56','Eopf':'\uD835\uDD3C','epar':'\u22D5','eparsl':'\u29E3','eplus':'\u2A71','epsi':'\u03B5','epsilon':'\u03B5','Epsilon':'\u0395','epsiv':'\u03F5','eqcirc':'\u2256','eqcolon':'\u2255','eqsim':'\u2242','eqslantgtr':'\u2A96','eqslantless':'\u2A95','Equal':'\u2A75','equals':'=','EqualTilde':'\u2242','equest':'\u225F','Equilibrium':'\u21CC','equiv':'\u2261','equivDD':'\u2A78','eqvparsl':'\u29E5','erarr':'\u2971','erDot':'\u2253','escr':'\u212F','Escr':'\u2130','esdot':'\u2250','esim':'\u2242','Esim':'\u2A73','eta':'\u03B7','Eta':'\u0397','eth':'\xF0','ETH':'\xD0','euml':'\xEB','Euml':'\xCB','euro':'\u20AC','excl':'!','exist':'\u2203','Exists':'\u2203','expectation':'\u2130','exponentiale':'\u2147','ExponentialE':'\u2147','fallingdotseq':'\u2252','fcy':'\u0444','Fcy':'\u0424','female':'\u2640','ffilig':'\uFB03','fflig':'\uFB00','ffllig':'\uFB04','ffr':'\uD835\uDD23','Ffr':'\uD835\uDD09','filig':'\uFB01','FilledSmallSquare':'\u25FC','FilledVerySmallSquare':'\u25AA','fjlig':'fj','flat':'\u266D','fllig':'\uFB02','fltns':'\u25B1','fnof':'\u0192','fopf':'\uD835\uDD57','Fopf':'\uD835\uDD3D','forall':'\u2200','ForAll':'\u2200','fork':'\u22D4','forkv':'\u2AD9','Fouriertrf':'\u2131','fpartint':'\u2A0D','frac12':'\xBD','frac13':'\u2153','frac14':'\xBC','frac15':'\u2155','frac16':'\u2159','frac18':'\u215B','frac23':'\u2154','frac25':'\u2156','frac34':'\xBE','frac35':'\u2157','frac38':'\u215C','frac45':'\u2158','frac56':'\u215A','frac58':'\u215D','frac78':'\u215E','frasl':'\u2044','frown':'\u2322','fscr':'\uD835\uDCBB','Fscr':'\u2131','gacute':'\u01F5','gamma':'\u03B3','Gamma':'\u0393','gammad':'\u03DD','Gammad':'\u03DC','gap':'\u2A86','gbreve':'\u011F','Gbreve':'\u011E','Gcedil':'\u0122','gcirc':'\u011D','Gcirc':'\u011C','gcy':'\u0433','Gcy':'\u0413','gdot':'\u0121','Gdot':'\u0120','ge':'\u2265','gE':'\u2267','gel':'\u22DB','gEl':'\u2A8C','geq':'\u2265','geqq':'\u2267','geqslant':'\u2A7E','ges':'\u2A7E','gescc':'\u2AA9','gesdot':'\u2A80','gesdoto':'\u2A82','gesdotol':'\u2A84','gesl':'\u22DB\uFE00','gesles':'\u2A94','gfr':'\uD835\uDD24','Gfr':'\uD835\uDD0A','gg':'\u226B','Gg':'\u22D9','ggg':'\u22D9','gimel':'\u2137','gjcy':'\u0453','GJcy':'\u0403','gl':'\u2277','gla':'\u2AA5','glE':'\u2A92','glj':'\u2AA4','gnap':'\u2A8A','gnapprox':'\u2A8A','gne':'\u2A88','gnE':'\u2269','gneq':'\u2A88','gneqq':'\u2269','gnsim':'\u22E7','gopf':'\uD835\uDD58','Gopf':'\uD835\uDD3E','grave':'`','GreaterEqual':'\u2265','GreaterEqualLess':'\u22DB','GreaterFullEqual':'\u2267','GreaterGreater':'\u2AA2','GreaterLess':'\u2277','GreaterSlantEqual':'\u2A7E','GreaterTilde':'\u2273','gscr':'\u210A','Gscr':'\uD835\uDCA2','gsim':'\u2273','gsime':'\u2A8E','gsiml':'\u2A90','gt':'>','Gt':'\u226B','GT':'>','gtcc':'\u2AA7','gtcir':'\u2A7A','gtdot':'\u22D7','gtlPar':'\u2995','gtquest':'\u2A7C','gtrapprox':'\u2A86','gtrarr':'\u2978','gtrdot':'\u22D7','gtreqless':'\u22DB','gtreqqless':'\u2A8C','gtrless':'\u2277','gtrsim':'\u2273','gvertneqq':'\u2269\uFE00','gvnE':'\u2269\uFE00','Hacek':'\u02C7','hairsp':'\u200A','half':'\xBD','hamilt':'\u210B','hardcy':'\u044A','HARDcy':'\u042A','harr':'\u2194','hArr':'\u21D4','harrcir':'\u2948','harrw':'\u21AD','Hat':'^','hbar':'\u210F','hcirc':'\u0125','Hcirc':'\u0124','hearts':'\u2665','heartsuit':'\u2665','hellip':'\u2026','hercon':'\u22B9','hfr':'\uD835\uDD25','Hfr':'\u210C','HilbertSpace':'\u210B','hksearow':'\u2925','hkswarow':'\u2926','hoarr':'\u21FF','homtht':'\u223B','hookleftarrow':'\u21A9','hookrightarrow':'\u21AA','hopf':'\uD835\uDD59','Hopf':'\u210D','horbar':'\u2015','HorizontalLine':'\u2500','hscr':'\uD835\uDCBD','Hscr':'\u210B','hslash':'\u210F','hstrok':'\u0127','Hstrok':'\u0126','HumpDownHump':'\u224E','HumpEqual':'\u224F','hybull':'\u2043','hyphen':'\u2010','iacute':'\xED','Iacute':'\xCD','ic':'\u2063','icirc':'\xEE','Icirc':'\xCE','icy':'\u0438','Icy':'\u0418','Idot':'\u0130','iecy':'\u0435','IEcy':'\u0415','iexcl':'\xA1','iff':'\u21D4','ifr':'\uD835\uDD26','Ifr':'\u2111','igrave':'\xEC','Igrave':'\xCC','ii':'\u2148','iiiint':'\u2A0C','iiint':'\u222D','iinfin':'\u29DC','iiota':'\u2129','ijlig':'\u0133','IJlig':'\u0132','Im':'\u2111','imacr':'\u012B','Imacr':'\u012A','image':'\u2111','ImaginaryI':'\u2148','imagline':'\u2110','imagpart':'\u2111','imath':'\u0131','imof':'\u22B7','imped':'\u01B5','Implies':'\u21D2','in':'\u2208','incare':'\u2105','infin':'\u221E','infintie':'\u29DD','inodot':'\u0131','int':'\u222B','Int':'\u222C','intcal':'\u22BA','integers':'\u2124','Integral':'\u222B','intercal':'\u22BA','Intersection':'\u22C2','intlarhk':'\u2A17','intprod':'\u2A3C','InvisibleComma':'\u2063','InvisibleTimes':'\u2062','iocy':'\u0451','IOcy':'\u0401','iogon':'\u012F','Iogon':'\u012E','iopf':'\uD835\uDD5A','Iopf':'\uD835\uDD40','iota':'\u03B9','Iota':'\u0399','iprod':'\u2A3C','iquest':'\xBF','iscr':'\uD835\uDCBE','Iscr':'\u2110','isin':'\u2208','isindot':'\u22F5','isinE':'\u22F9','isins':'\u22F4','isinsv':'\u22F3','isinv':'\u2208','it':'\u2062','itilde':'\u0129','Itilde':'\u0128','iukcy':'\u0456','Iukcy':'\u0406','iuml':'\xEF','Iuml':'\xCF','jcirc':'\u0135','Jcirc':'\u0134','jcy':'\u0439','Jcy':'\u0419','jfr':'\uD835\uDD27','Jfr':'\uD835\uDD0D','jmath':'\u0237','jopf':'\uD835\uDD5B','Jopf':'\uD835\uDD41','jscr':'\uD835\uDCBF','Jscr':'\uD835\uDCA5','jsercy':'\u0458','Jsercy':'\u0408','jukcy':'\u0454','Jukcy':'\u0404','kappa':'\u03BA','Kappa':'\u039A','kappav':'\u03F0','kcedil':'\u0137','Kcedil':'\u0136','kcy':'\u043A','Kcy':'\u041A','kfr':'\uD835\uDD28','Kfr':'\uD835\uDD0E','kgreen':'\u0138','khcy':'\u0445','KHcy':'\u0425','kjcy':'\u045C','KJcy':'\u040C','kopf':'\uD835\uDD5C','Kopf':'\uD835\uDD42','kscr':'\uD835\uDCC0','Kscr':'\uD835\uDCA6','lAarr':'\u21DA','lacute':'\u013A','Lacute':'\u0139','laemptyv':'\u29B4','lagran':'\u2112','lambda':'\u03BB','Lambda':'\u039B','lang':'\u27E8','Lang':'\u27EA','langd':'\u2991','langle':'\u27E8','lap':'\u2A85','Laplacetrf':'\u2112','laquo':'\xAB','larr':'\u2190','lArr':'\u21D0','Larr':'\u219E','larrb':'\u21E4','larrbfs':'\u291F','larrfs':'\u291D','larrhk':'\u21A9','larrlp':'\u21AB','larrpl':'\u2939','larrsim':'\u2973','larrtl':'\u21A2','lat':'\u2AAB','latail':'\u2919','lAtail':'\u291B','late':'\u2AAD','lates':'\u2AAD\uFE00','lbarr':'\u290C','lBarr':'\u290E','lbbrk':'\u2772','lbrace':'{','lbrack':'[','lbrke':'\u298B','lbrksld':'\u298F','lbrkslu':'\u298D','lcaron':'\u013E','Lcaron':'\u013D','lcedil':'\u013C','Lcedil':'\u013B','lceil':'\u2308','lcub':'{','lcy':'\u043B','Lcy':'\u041B','ldca':'\u2936','ldquo':'\u201C','ldquor':'\u201E','ldrdhar':'\u2967','ldrushar':'\u294B','ldsh':'\u21B2','le':'\u2264','lE':'\u2266','LeftAngleBracket':'\u27E8','leftarrow':'\u2190','Leftarrow':'\u21D0','LeftArrow':'\u2190','LeftArrowBar':'\u21E4','LeftArrowRightArrow':'\u21C6','leftarrowtail':'\u21A2','LeftCeiling':'\u2308','LeftDoubleBracket':'\u27E6','LeftDownTeeVector':'\u2961','LeftDownVector':'\u21C3','LeftDownVectorBar':'\u2959','LeftFloor':'\u230A','leftharpoondown':'\u21BD','leftharpoonup':'\u21BC','leftleftarrows':'\u21C7','leftrightarrow':'\u2194','Leftrightarrow':'\u21D4','LeftRightArrow':'\u2194','leftrightarrows':'\u21C6','leftrightharpoons':'\u21CB','leftrightsquigarrow':'\u21AD','LeftRightVector':'\u294E','LeftTee':'\u22A3','LeftTeeArrow':'\u21A4','LeftTeeVector':'\u295A','leftthreetimes':'\u22CB','LeftTriangle':'\u22B2','LeftTriangleBar':'\u29CF','LeftTriangleEqual':'\u22B4','LeftUpDownVector':'\u2951','LeftUpTeeVector':'\u2960','LeftUpVector':'\u21BF','LeftUpVectorBar':'\u2958','LeftVector':'\u21BC','LeftVectorBar':'\u2952','leg':'\u22DA','lEg':'\u2A8B','leq':'\u2264','leqq':'\u2266','leqslant':'\u2A7D','les':'\u2A7D','lescc':'\u2AA8','lesdot':'\u2A7F','lesdoto':'\u2A81','lesdotor':'\u2A83','lesg':'\u22DA\uFE00','lesges':'\u2A93','lessapprox':'\u2A85','lessdot':'\u22D6','lesseqgtr':'\u22DA','lesseqqgtr':'\u2A8B','LessEqualGreater':'\u22DA','LessFullEqual':'\u2266','LessGreater':'\u2276','lessgtr':'\u2276','LessLess':'\u2AA1','lesssim':'\u2272','LessSlantEqual':'\u2A7D','LessTilde':'\u2272','lfisht':'\u297C','lfloor':'\u230A','lfr':'\uD835\uDD29','Lfr':'\uD835\uDD0F','lg':'\u2276','lgE':'\u2A91','lHar':'\u2962','lhard':'\u21BD','lharu':'\u21BC','lharul':'\u296A','lhblk':'\u2584','ljcy':'\u0459','LJcy':'\u0409','ll':'\u226A','Ll':'\u22D8','llarr':'\u21C7','llcorner':'\u231E','Lleftarrow':'\u21DA','llhard':'\u296B','lltri':'\u25FA','lmidot':'\u0140','Lmidot':'\u013F','lmoust':'\u23B0','lmoustache':'\u23B0','lnap':'\u2A89','lnapprox':'\u2A89','lne':'\u2A87','lnE':'\u2268','lneq':'\u2A87','lneqq':'\u2268','lnsim':'\u22E6','loang':'\u27EC','loarr':'\u21FD','lobrk':'\u27E6','longleftarrow':'\u27F5','Longleftarrow':'\u27F8','LongLeftArrow':'\u27F5','longleftrightarrow':'\u27F7','Longleftrightarrow':'\u27FA','LongLeftRightArrow':'\u27F7','longmapsto':'\u27FC','longrightarrow':'\u27F6','Longrightarrow':'\u27F9','LongRightArrow':'\u27F6','looparrowleft':'\u21AB','looparrowright':'\u21AC','lopar':'\u2985','lopf':'\uD835\uDD5D','Lopf':'\uD835\uDD43','loplus':'\u2A2D','lotimes':'\u2A34','lowast':'\u2217','lowbar':'_','LowerLeftArrow':'\u2199','LowerRightArrow':'\u2198','loz':'\u25CA','lozenge':'\u25CA','lozf':'\u29EB','lpar':'(','lparlt':'\u2993','lrarr':'\u21C6','lrcorner':'\u231F','lrhar':'\u21CB','lrhard':'\u296D','lrm':'\u200E','lrtri':'\u22BF','lsaquo':'\u2039','lscr':'\uD835\uDCC1','Lscr':'\u2112','lsh':'\u21B0','Lsh':'\u21B0','lsim':'\u2272','lsime':'\u2A8D','lsimg':'\u2A8F','lsqb':'[','lsquo':'\u2018','lsquor':'\u201A','lstrok':'\u0142','Lstrok':'\u0141','lt':'<','Lt':'\u226A','LT':'<','ltcc':'\u2AA6','ltcir':'\u2A79','ltdot':'\u22D6','lthree':'\u22CB','ltimes':'\u22C9','ltlarr':'\u2976','ltquest':'\u2A7B','ltri':'\u25C3','ltrie':'\u22B4','ltrif':'\u25C2','ltrPar':'\u2996','lurdshar':'\u294A','luruhar':'\u2966','lvertneqq':'\u2268\uFE00','lvnE':'\u2268\uFE00','macr':'\xAF','male':'\u2642','malt':'\u2720','maltese':'\u2720','map':'\u21A6','Map':'\u2905','mapsto':'\u21A6','mapstodown':'\u21A7','mapstoleft':'\u21A4','mapstoup':'\u21A5','marker':'\u25AE','mcomma':'\u2A29','mcy':'\u043C','Mcy':'\u041C','mdash':'\u2014','mDDot':'\u223A','measuredangle':'\u2221','MediumSpace':'\u205F','Mellintrf':'\u2133','mfr':'\uD835\uDD2A','Mfr':'\uD835\uDD10','mho':'\u2127','micro':'\xB5','mid':'\u2223','midast':'*','midcir':'\u2AF0','middot':'\xB7','minus':'\u2212','minusb':'\u229F','minusd':'\u2238','minusdu':'\u2A2A','MinusPlus':'\u2213','mlcp':'\u2ADB','mldr':'\u2026','mnplus':'\u2213','models':'\u22A7','mopf':'\uD835\uDD5E','Mopf':'\uD835\uDD44','mp':'\u2213','mscr':'\uD835\uDCC2','Mscr':'\u2133','mstpos':'\u223E','mu':'\u03BC','Mu':'\u039C','multimap':'\u22B8','mumap':'\u22B8','nabla':'\u2207','nacute':'\u0144','Nacute':'\u0143','nang':'\u2220\u20D2','nap':'\u2249','napE':'\u2A70\u0338','napid':'\u224B\u0338','napos':'\u0149','napprox':'\u2249','natur':'\u266E','natural':'\u266E','naturals':'\u2115','nbsp':'\xA0','nbump':'\u224E\u0338','nbumpe':'\u224F\u0338','ncap':'\u2A43','ncaron':'\u0148','Ncaron':'\u0147','ncedil':'\u0146','Ncedil':'\u0145','ncong':'\u2247','ncongdot':'\u2A6D\u0338','ncup':'\u2A42','ncy':'\u043D','Ncy':'\u041D','ndash':'\u2013','ne':'\u2260','nearhk':'\u2924','nearr':'\u2197','neArr':'\u21D7','nearrow':'\u2197','nedot':'\u2250\u0338','NegativeMediumSpace':'\u200B','NegativeThickSpace':'\u200B','NegativeThinSpace':'\u200B','NegativeVeryThinSpace':'\u200B','nequiv':'\u2262','nesear':'\u2928','nesim':'\u2242\u0338','NestedGreaterGreater':'\u226B','NestedLessLess':'\u226A','NewLine':'\n','nexist':'\u2204','nexists':'\u2204','nfr':'\uD835\uDD2B','Nfr':'\uD835\uDD11','nge':'\u2271','ngE':'\u2267\u0338','ngeq':'\u2271','ngeqq':'\u2267\u0338','ngeqslant':'\u2A7E\u0338','nges':'\u2A7E\u0338','nGg':'\u22D9\u0338','ngsim':'\u2275','ngt':'\u226F','nGt':'\u226B\u20D2','ngtr':'\u226F','nGtv':'\u226B\u0338','nharr':'\u21AE','nhArr':'\u21CE','nhpar':'\u2AF2','ni':'\u220B','nis':'\u22FC','nisd':'\u22FA','niv':'\u220B','njcy':'\u045A','NJcy':'\u040A','nlarr':'\u219A','nlArr':'\u21CD','nldr':'\u2025','nle':'\u2270','nlE':'\u2266\u0338','nleftarrow':'\u219A','nLeftarrow':'\u21CD','nleftrightarrow':'\u21AE','nLeftrightarrow':'\u21CE','nleq':'\u2270','nleqq':'\u2266\u0338','nleqslant':'\u2A7D\u0338','nles':'\u2A7D\u0338','nless':'\u226E','nLl':'\u22D8\u0338','nlsim':'\u2274','nlt':'\u226E','nLt':'\u226A\u20D2','nltri':'\u22EA','nltrie':'\u22EC','nLtv':'\u226A\u0338','nmid':'\u2224','NoBreak':'\u2060','NonBreakingSpace':'\xA0','nopf':'\uD835\uDD5F','Nopf':'\u2115','not':'\xAC','Not':'\u2AEC','NotCongruent':'\u2262','NotCupCap':'\u226D','NotDoubleVerticalBar':'\u2226','NotElement':'\u2209','NotEqual':'\u2260','NotEqualTilde':'\u2242\u0338','NotExists':'\u2204','NotGreater':'\u226F','NotGreaterEqual':'\u2271','NotGreaterFullEqual':'\u2267\u0338','NotGreaterGreater':'\u226B\u0338','NotGreaterLess':'\u2279','NotGreaterSlantEqual':'\u2A7E\u0338','NotGreaterTilde':'\u2275','NotHumpDownHump':'\u224E\u0338','NotHumpEqual':'\u224F\u0338','notin':'\u2209','notindot':'\u22F5\u0338','notinE':'\u22F9\u0338','notinva':'\u2209','notinvb':'\u22F7','notinvc':'\u22F6','NotLeftTriangle':'\u22EA','NotLeftTriangleBar':'\u29CF\u0338','NotLeftTriangleEqual':'\u22EC','NotLess':'\u226E','NotLessEqual':'\u2270','NotLessGreater':'\u2278','NotLessLess':'\u226A\u0338','NotLessSlantEqual':'\u2A7D\u0338','NotLessTilde':'\u2274','NotNestedGreaterGreater':'\u2AA2\u0338','NotNestedLessLess':'\u2AA1\u0338','notni':'\u220C','notniva':'\u220C','notnivb':'\u22FE','notnivc':'\u22FD','NotPrecedes':'\u2280','NotPrecedesEqual':'\u2AAF\u0338','NotPrecedesSlantEqual':'\u22E0','NotReverseElement':'\u220C','NotRightTriangle':'\u22EB','NotRightTriangleBar':'\u29D0\u0338','NotRightTriangleEqual':'\u22ED','NotSquareSubset':'\u228F\u0338','NotSquareSubsetEqual':'\u22E2','NotSquareSuperset':'\u2290\u0338','NotSquareSupersetEqual':'\u22E3','NotSubset':'\u2282\u20D2','NotSubsetEqual':'\u2288','NotSucceeds':'\u2281','NotSucceedsEqual':'\u2AB0\u0338','NotSucceedsSlantEqual':'\u22E1','NotSucceedsTilde':'\u227F\u0338','NotSuperset':'\u2283\u20D2','NotSupersetEqual':'\u2289','NotTilde':'\u2241','NotTildeEqual':'\u2244','NotTildeFullEqual':'\u2247','NotTildeTilde':'\u2249','NotVerticalBar':'\u2224','npar':'\u2226','nparallel':'\u2226','nparsl':'\u2AFD\u20E5','npart':'\u2202\u0338','npolint':'\u2A14','npr':'\u2280','nprcue':'\u22E0','npre':'\u2AAF\u0338','nprec':'\u2280','npreceq':'\u2AAF\u0338','nrarr':'\u219B','nrArr':'\u21CF','nrarrc':'\u2933\u0338','nrarrw':'\u219D\u0338','nrightarrow':'\u219B','nRightarrow':'\u21CF','nrtri':'\u22EB','nrtrie':'\u22ED','nsc':'\u2281','nsccue':'\u22E1','nsce':'\u2AB0\u0338','nscr':'\uD835\uDCC3','Nscr':'\uD835\uDCA9','nshortmid':'\u2224','nshortparallel':'\u2226','nsim':'\u2241','nsime':'\u2244','nsimeq':'\u2244','nsmid':'\u2224','nspar':'\u2226','nsqsube':'\u22E2','nsqsupe':'\u22E3','nsub':'\u2284','nsube':'\u2288','nsubE':'\u2AC5\u0338','nsubset':'\u2282\u20D2','nsubseteq':'\u2288','nsubseteqq':'\u2AC5\u0338','nsucc':'\u2281','nsucceq':'\u2AB0\u0338','nsup':'\u2285','nsupe':'\u2289','nsupE':'\u2AC6\u0338','nsupset':'\u2283\u20D2','nsupseteq':'\u2289','nsupseteqq':'\u2AC6\u0338','ntgl':'\u2279','ntilde':'\xF1','Ntilde':'\xD1','ntlg':'\u2278','ntriangleleft':'\u22EA','ntrianglelefteq':'\u22EC','ntriangleright':'\u22EB','ntrianglerighteq':'\u22ED','nu':'\u03BD','Nu':'\u039D','num':'#','numero':'\u2116','numsp':'\u2007','nvap':'\u224D\u20D2','nvdash':'\u22AC','nvDash':'\u22AD','nVdash':'\u22AE','nVDash':'\u22AF','nvge':'\u2265\u20D2','nvgt':'>\u20D2','nvHarr':'\u2904','nvinfin':'\u29DE','nvlArr':'\u2902','nvle':'\u2264\u20D2','nvlt':'<\u20D2','nvltrie':'\u22B4\u20D2','nvrArr':'\u2903','nvrtrie':'\u22B5\u20D2','nvsim':'\u223C\u20D2','nwarhk':'\u2923','nwarr':'\u2196','nwArr':'\u21D6','nwarrow':'\u2196','nwnear':'\u2927','oacute':'\xF3','Oacute':'\xD3','oast':'\u229B','ocir':'\u229A','ocirc':'\xF4','Ocirc':'\xD4','ocy':'\u043E','Ocy':'\u041E','odash':'\u229D','odblac':'\u0151','Odblac':'\u0150','odiv':'\u2A38','odot':'\u2299','odsold':'\u29BC','oelig':'\u0153','OElig':'\u0152','ofcir':'\u29BF','ofr':'\uD835\uDD2C','Ofr':'\uD835\uDD12','ogon':'\u02DB','ograve':'\xF2','Ograve':'\xD2','ogt':'\u29C1','ohbar':'\u29B5','ohm':'\u03A9','oint':'\u222E','olarr':'\u21BA','olcir':'\u29BE','olcross':'\u29BB','oline':'\u203E','olt':'\u29C0','omacr':'\u014D','Omacr':'\u014C','omega':'\u03C9','Omega':'\u03A9','omicron':'\u03BF','Omicron':'\u039F','omid':'\u29B6','ominus':'\u2296','oopf':'\uD835\uDD60','Oopf':'\uD835\uDD46','opar':'\u29B7','OpenCurlyDoubleQuote':'\u201C','OpenCurlyQuote':'\u2018','operp':'\u29B9','oplus':'\u2295','or':'\u2228','Or':'\u2A54','orarr':'\u21BB','ord':'\u2A5D','order':'\u2134','orderof':'\u2134','ordf':'\xAA','ordm':'\xBA','origof':'\u22B6','oror':'\u2A56','orslope':'\u2A57','orv':'\u2A5B','oS':'\u24C8','oscr':'\u2134','Oscr':'\uD835\uDCAA','oslash':'\xF8','Oslash':'\xD8','osol':'\u2298','otilde':'\xF5','Otilde':'\xD5','otimes':'\u2297','Otimes':'\u2A37','otimesas':'\u2A36','ouml':'\xF6','Ouml':'\xD6','ovbar':'\u233D','OverBar':'\u203E','OverBrace':'\u23DE','OverBracket':'\u23B4','OverParenthesis':'\u23DC','par':'\u2225','para':'\xB6','parallel':'\u2225','parsim':'\u2AF3','parsl':'\u2AFD','part':'\u2202','PartialD':'\u2202','pcy':'\u043F','Pcy':'\u041F','percnt':'%','period':'.','permil':'\u2030','perp':'\u22A5','pertenk':'\u2031','pfr':'\uD835\uDD2D','Pfr':'\uD835\uDD13','phi':'\u03C6','Phi':'\u03A6','phiv':'\u03D5','phmmat':'\u2133','phone':'\u260E','pi':'\u03C0','Pi':'\u03A0','pitchfork':'\u22D4','piv':'\u03D6','planck':'\u210F','planckh':'\u210E','plankv':'\u210F','plus':'+','plusacir':'\u2A23','plusb':'\u229E','pluscir':'\u2A22','plusdo':'\u2214','plusdu':'\u2A25','pluse':'\u2A72','PlusMinus':'\xB1','plusmn':'\xB1','plussim':'\u2A26','plustwo':'\u2A27','pm':'\xB1','Poincareplane':'\u210C','pointint':'\u2A15','popf':'\uD835\uDD61','Popf':'\u2119','pound':'\xA3','pr':'\u227A','Pr':'\u2ABB','prap':'\u2AB7','prcue':'\u227C','pre':'\u2AAF','prE':'\u2AB3','prec':'\u227A','precapprox':'\u2AB7','preccurlyeq':'\u227C','Precedes':'\u227A','PrecedesEqual':'\u2AAF','PrecedesSlantEqual':'\u227C','PrecedesTilde':'\u227E','preceq':'\u2AAF','precnapprox':'\u2AB9','precneqq':'\u2AB5','precnsim':'\u22E8','precsim':'\u227E','prime':'\u2032','Prime':'\u2033','primes':'\u2119','prnap':'\u2AB9','prnE':'\u2AB5','prnsim':'\u22E8','prod':'\u220F','Product':'\u220F','profalar':'\u232E','profline':'\u2312','profsurf':'\u2313','prop':'\u221D','Proportion':'\u2237','Proportional':'\u221D','propto':'\u221D','prsim':'\u227E','prurel':'\u22B0','pscr':'\uD835\uDCC5','Pscr':'\uD835\uDCAB','psi':'\u03C8','Psi':'\u03A8','puncsp':'\u2008','qfr':'\uD835\uDD2E','Qfr':'\uD835\uDD14','qint':'\u2A0C','qopf':'\uD835\uDD62','Qopf':'\u211A','qprime':'\u2057','qscr':'\uD835\uDCC6','Qscr':'\uD835\uDCAC','quaternions':'\u210D','quatint':'\u2A16','quest':'?','questeq':'\u225F','quot':'"','QUOT':'"','rAarr':'\u21DB','race':'\u223D\u0331','racute':'\u0155','Racute':'\u0154','radic':'\u221A','raemptyv':'\u29B3','rang':'\u27E9','Rang':'\u27EB','rangd':'\u2992','range':'\u29A5','rangle':'\u27E9','raquo':'\xBB','rarr':'\u2192','rArr':'\u21D2','Rarr':'\u21A0','rarrap':'\u2975','rarrb':'\u21E5','rarrbfs':'\u2920','rarrc':'\u2933','rarrfs':'\u291E','rarrhk':'\u21AA','rarrlp':'\u21AC','rarrpl':'\u2945','rarrsim':'\u2974','rarrtl':'\u21A3','Rarrtl':'\u2916','rarrw':'\u219D','ratail':'\u291A','rAtail':'\u291C','ratio':'\u2236','rationals':'\u211A','rbarr':'\u290D','rBarr':'\u290F','RBarr':'\u2910','rbbrk':'\u2773','rbrace':'}','rbrack':']','rbrke':'\u298C','rbrksld':'\u298E','rbrkslu':'\u2990','rcaron':'\u0159','Rcaron':'\u0158','rcedil':'\u0157','Rcedil':'\u0156','rceil':'\u2309','rcub':'}','rcy':'\u0440','Rcy':'\u0420','rdca':'\u2937','rdldhar':'\u2969','rdquo':'\u201D','rdquor':'\u201D','rdsh':'\u21B3','Re':'\u211C','real':'\u211C','realine':'\u211B','realpart':'\u211C','reals':'\u211D','rect':'\u25AD','reg':'\xAE','REG':'\xAE','ReverseElement':'\u220B','ReverseEquilibrium':'\u21CB','ReverseUpEquilibrium':'\u296F','rfisht':'\u297D','rfloor':'\u230B','rfr':'\uD835\uDD2F','Rfr':'\u211C','rHar':'\u2964','rhard':'\u21C1','rharu':'\u21C0','rharul':'\u296C','rho':'\u03C1','Rho':'\u03A1','rhov':'\u03F1','RightAngleBracket':'\u27E9','rightarrow':'\u2192','Rightarrow':'\u21D2','RightArrow':'\u2192','RightArrowBar':'\u21E5','RightArrowLeftArrow':'\u21C4','rightarrowtail':'\u21A3','RightCeiling':'\u2309','RightDoubleBracket':'\u27E7','RightDownTeeVector':'\u295D','RightDownVector':'\u21C2','RightDownVectorBar':'\u2955','RightFloor':'\u230B','rightharpoondown':'\u21C1','rightharpoonup':'\u21C0','rightleftarrows':'\u21C4','rightleftharpoons':'\u21CC','rightrightarrows':'\u21C9','rightsquigarrow':'\u219D','RightTee':'\u22A2','RightTeeArrow':'\u21A6','RightTeeVector':'\u295B','rightthreetimes':'\u22CC','RightTriangle':'\u22B3','RightTriangleBar':'\u29D0','RightTriangleEqual':'\u22B5','RightUpDownVector':'\u294F','RightUpTeeVector':'\u295C','RightUpVector':'\u21BE','RightUpVectorBar':'\u2954','RightVector':'\u21C0','RightVectorBar':'\u2953','ring':'\u02DA','risingdotseq':'\u2253','rlarr':'\u21C4','rlhar':'\u21CC','rlm':'\u200F','rmoust':'\u23B1','rmoustache':'\u23B1','rnmid':'\u2AEE','roang':'\u27ED','roarr':'\u21FE','robrk':'\u27E7','ropar':'\u2986','ropf':'\uD835\uDD63','Ropf':'\u211D','roplus':'\u2A2E','rotimes':'\u2A35','RoundImplies':'\u2970','rpar':')','rpargt':'\u2994','rppolint':'\u2A12','rrarr':'\u21C9','Rrightarrow':'\u21DB','rsaquo':'\u203A','rscr':'\uD835\uDCC7','Rscr':'\u211B','rsh':'\u21B1','Rsh':'\u21B1','rsqb':']','rsquo':'\u2019','rsquor':'\u2019','rthree':'\u22CC','rtimes':'\u22CA','rtri':'\u25B9','rtrie':'\u22B5','rtrif':'\u25B8','rtriltri':'\u29CE','RuleDelayed':'\u29F4','ruluhar':'\u2968','rx':'\u211E','sacute':'\u015B','Sacute':'\u015A','sbquo':'\u201A','sc':'\u227B','Sc':'\u2ABC','scap':'\u2AB8','scaron':'\u0161','Scaron':'\u0160','sccue':'\u227D','sce':'\u2AB0','scE':'\u2AB4','scedil':'\u015F','Scedil':'\u015E','scirc':'\u015D','Scirc':'\u015C','scnap':'\u2ABA','scnE':'\u2AB6','scnsim':'\u22E9','scpolint':'\u2A13','scsim':'\u227F','scy':'\u0441','Scy':'\u0421','sdot':'\u22C5','sdotb':'\u22A1','sdote':'\u2A66','searhk':'\u2925','searr':'\u2198','seArr':'\u21D8','searrow':'\u2198','sect':'\xA7','semi':';','seswar':'\u2929','setminus':'\u2216','setmn':'\u2216','sext':'\u2736','sfr':'\uD835\uDD30','Sfr':'\uD835\uDD16','sfrown':'\u2322','sharp':'\u266F','shchcy':'\u0449','SHCHcy':'\u0429','shcy':'\u0448','SHcy':'\u0428','ShortDownArrow':'\u2193','ShortLeftArrow':'\u2190','shortmid':'\u2223','shortparallel':'\u2225','ShortRightArrow':'\u2192','ShortUpArrow':'\u2191','shy':'\xAD','sigma':'\u03C3','Sigma':'\u03A3','sigmaf':'\u03C2','sigmav':'\u03C2','sim':'\u223C','simdot':'\u2A6A','sime':'\u2243','simeq':'\u2243','simg':'\u2A9E','simgE':'\u2AA0','siml':'\u2A9D','simlE':'\u2A9F','simne':'\u2246','simplus':'\u2A24','simrarr':'\u2972','slarr':'\u2190','SmallCircle':'\u2218','smallsetminus':'\u2216','smashp':'\u2A33','smeparsl':'\u29E4','smid':'\u2223','smile':'\u2323','smt':'\u2AAA','smte':'\u2AAC','smtes':'\u2AAC\uFE00','softcy':'\u044C','SOFTcy':'\u042C','sol':'/','solb':'\u29C4','solbar':'\u233F','sopf':'\uD835\uDD64','Sopf':'\uD835\uDD4A','spades':'\u2660','spadesuit':'\u2660','spar':'\u2225','sqcap':'\u2293','sqcaps':'\u2293\uFE00','sqcup':'\u2294','sqcups':'\u2294\uFE00','Sqrt':'\u221A','sqsub':'\u228F','sqsube':'\u2291','sqsubset':'\u228F','sqsubseteq':'\u2291','sqsup':'\u2290','sqsupe':'\u2292','sqsupset':'\u2290','sqsupseteq':'\u2292','squ':'\u25A1','square':'\u25A1','Square':'\u25A1','SquareIntersection':'\u2293','SquareSubset':'\u228F','SquareSubsetEqual':'\u2291','SquareSuperset':'\u2290','SquareSupersetEqual':'\u2292','SquareUnion':'\u2294','squarf':'\u25AA','squf':'\u25AA','srarr':'\u2192','sscr':'\uD835\uDCC8','Sscr':'\uD835\uDCAE','ssetmn':'\u2216','ssmile':'\u2323','sstarf':'\u22C6','star':'\u2606','Star':'\u22C6','starf':'\u2605','straightepsilon':'\u03F5','straightphi':'\u03D5','strns':'\xAF','sub':'\u2282','Sub':'\u22D0','subdot':'\u2ABD','sube':'\u2286','subE':'\u2AC5','subedot':'\u2AC3','submult':'\u2AC1','subne':'\u228A','subnE':'\u2ACB','subplus':'\u2ABF','subrarr':'\u2979','subset':'\u2282','Subset':'\u22D0','subseteq':'\u2286','subseteqq':'\u2AC5','SubsetEqual':'\u2286','subsetneq':'\u228A','subsetneqq':'\u2ACB','subsim':'\u2AC7','subsub':'\u2AD5','subsup':'\u2AD3','succ':'\u227B','succapprox':'\u2AB8','succcurlyeq':'\u227D','Succeeds':'\u227B','SucceedsEqual':'\u2AB0','SucceedsSlantEqual':'\u227D','SucceedsTilde':'\u227F','succeq':'\u2AB0','succnapprox':'\u2ABA','succneqq':'\u2AB6','succnsim':'\u22E9','succsim':'\u227F','SuchThat':'\u220B','sum':'\u2211','Sum':'\u2211','sung':'\u266A','sup':'\u2283','Sup':'\u22D1','sup1':'\xB9','sup2':'\xB2','sup3':'\xB3','supdot':'\u2ABE','supdsub':'\u2AD8','supe':'\u2287','supE':'\u2AC6','supedot':'\u2AC4','Superset':'\u2283','SupersetEqual':'\u2287','suphsol':'\u27C9','suphsub':'\u2AD7','suplarr':'\u297B','supmult':'\u2AC2','supne':'\u228B','supnE':'\u2ACC','supplus':'\u2AC0','supset':'\u2283','Supset':'\u22D1','supseteq':'\u2287','supseteqq':'\u2AC6','supsetneq':'\u228B','supsetneqq':'\u2ACC','supsim':'\u2AC8','supsub':'\u2AD4','supsup':'\u2AD6','swarhk':'\u2926','swarr':'\u2199','swArr':'\u21D9','swarrow':'\u2199','swnwar':'\u292A','szlig':'\xDF','Tab':'\t','target':'\u2316','tau':'\u03C4','Tau':'\u03A4','tbrk':'\u23B4','tcaron':'\u0165','Tcaron':'\u0164','tcedil':'\u0163','Tcedil':'\u0162','tcy':'\u0442','Tcy':'\u0422','tdot':'\u20DB','telrec':'\u2315','tfr':'\uD835\uDD31','Tfr':'\uD835\uDD17','there4':'\u2234','therefore':'\u2234','Therefore':'\u2234','theta':'\u03B8','Theta':'\u0398','thetasym':'\u03D1','thetav':'\u03D1','thickapprox':'\u2248','thicksim':'\u223C','ThickSpace':'\u205F\u200A','thinsp':'\u2009','ThinSpace':'\u2009','thkap':'\u2248','thksim':'\u223C','thorn':'\xFE','THORN':'\xDE','tilde':'\u02DC','Tilde':'\u223C','TildeEqual':'\u2243','TildeFullEqual':'\u2245','TildeTilde':'\u2248','times':'\xD7','timesb':'\u22A0','timesbar':'\u2A31','timesd':'\u2A30','tint':'\u222D','toea':'\u2928','top':'\u22A4','topbot':'\u2336','topcir':'\u2AF1','topf':'\uD835\uDD65','Topf':'\uD835\uDD4B','topfork':'\u2ADA','tosa':'\u2929','tprime':'\u2034','trade':'\u2122','TRADE':'\u2122','triangle':'\u25B5','triangledown':'\u25BF','triangleleft':'\u25C3','trianglelefteq':'\u22B4','triangleq':'\u225C','triangleright':'\u25B9','trianglerighteq':'\u22B5','tridot':'\u25EC','trie':'\u225C','triminus':'\u2A3A','TripleDot':'\u20DB','triplus':'\u2A39','trisb':'\u29CD','tritime':'\u2A3B','trpezium':'\u23E2','tscr':'\uD835\uDCC9','Tscr':'\uD835\uDCAF','tscy':'\u0446','TScy':'\u0426','tshcy':'\u045B','TSHcy':'\u040B','tstrok':'\u0167','Tstrok':'\u0166','twixt':'\u226C','twoheadleftarrow':'\u219E','twoheadrightarrow':'\u21A0','uacute':'\xFA','Uacute':'\xDA','uarr':'\u2191','uArr':'\u21D1','Uarr':'\u219F','Uarrocir':'\u2949','ubrcy':'\u045E','Ubrcy':'\u040E','ubreve':'\u016D','Ubreve':'\u016C','ucirc':'\xFB','Ucirc':'\xDB','ucy':'\u0443','Ucy':'\u0423','udarr':'\u21C5','udblac':'\u0171','Udblac':'\u0170','udhar':'\u296E','ufisht':'\u297E','ufr':'\uD835\uDD32','Ufr':'\uD835\uDD18','ugrave':'\xF9','Ugrave':'\xD9','uHar':'\u2963','uharl':'\u21BF','uharr':'\u21BE','uhblk':'\u2580','ulcorn':'\u231C','ulcorner':'\u231C','ulcrop':'\u230F','ultri':'\u25F8','umacr':'\u016B','Umacr':'\u016A','uml':'\xA8','UnderBar':'_','UnderBrace':'\u23DF','UnderBracket':'\u23B5','UnderParenthesis':'\u23DD','Union':'\u22C3','UnionPlus':'\u228E','uogon':'\u0173','Uogon':'\u0172','uopf':'\uD835\uDD66','Uopf':'\uD835\uDD4C','uparrow':'\u2191','Uparrow':'\u21D1','UpArrow':'\u2191','UpArrowBar':'\u2912','UpArrowDownArrow':'\u21C5','updownarrow':'\u2195','Updownarrow':'\u21D5','UpDownArrow':'\u2195','UpEquilibrium':'\u296E','upharpoonleft':'\u21BF','upharpoonright':'\u21BE','uplus':'\u228E','UpperLeftArrow':'\u2196','UpperRightArrow':'\u2197','upsi':'\u03C5','Upsi':'\u03D2','upsih':'\u03D2','upsilon':'\u03C5','Upsilon':'\u03A5','UpTee':'\u22A5','UpTeeArrow':'\u21A5','upuparrows':'\u21C8','urcorn':'\u231D','urcorner':'\u231D','urcrop':'\u230E','uring':'\u016F','Uring':'\u016E','urtri':'\u25F9','uscr':'\uD835\uDCCA','Uscr':'\uD835\uDCB0','utdot':'\u22F0','utilde':'\u0169','Utilde':'\u0168','utri':'\u25B5','utrif':'\u25B4','uuarr':'\u21C8','uuml':'\xFC','Uuml':'\xDC','uwangle':'\u29A7','vangrt':'\u299C','varepsilon':'\u03F5','varkappa':'\u03F0','varnothing':'\u2205','varphi':'\u03D5','varpi':'\u03D6','varpropto':'\u221D','varr':'\u2195','vArr':'\u21D5','varrho':'\u03F1','varsigma':'\u03C2','varsubsetneq':'\u228A\uFE00','varsubsetneqq':'\u2ACB\uFE00','varsupsetneq':'\u228B\uFE00','varsupsetneqq':'\u2ACC\uFE00','vartheta':'\u03D1','vartriangleleft':'\u22B2','vartriangleright':'\u22B3','vBar':'\u2AE8','Vbar':'\u2AEB','vBarv':'\u2AE9','vcy':'\u0432','Vcy':'\u0412','vdash':'\u22A2','vDash':'\u22A8','Vdash':'\u22A9','VDash':'\u22AB','Vdashl':'\u2AE6','vee':'\u2228','Vee':'\u22C1','veebar':'\u22BB','veeeq':'\u225A','vellip':'\u22EE','verbar':'|','Verbar':'\u2016','vert':'|','Vert':'\u2016','VerticalBar':'\u2223','VerticalLine':'|','VerticalSeparator':'\u2758','VerticalTilde':'\u2240','VeryThinSpace':'\u200A','vfr':'\uD835\uDD33','Vfr':'\uD835\uDD19','vltri':'\u22B2','vnsub':'\u2282\u20D2','vnsup':'\u2283\u20D2','vopf':'\uD835\uDD67','Vopf':'\uD835\uDD4D','vprop':'\u221D','vrtri':'\u22B3','vscr':'\uD835\uDCCB','Vscr':'\uD835\uDCB1','vsubne':'\u228A\uFE00','vsubnE':'\u2ACB\uFE00','vsupne':'\u228B\uFE00','vsupnE':'\u2ACC\uFE00','Vvdash':'\u22AA','vzigzag':'\u299A','wcirc':'\u0175','Wcirc':'\u0174','wedbar':'\u2A5F','wedge':'\u2227','Wedge':'\u22C0','wedgeq':'\u2259','weierp':'\u2118','wfr':'\uD835\uDD34','Wfr':'\uD835\uDD1A','wopf':'\uD835\uDD68','Wopf':'\uD835\uDD4E','wp':'\u2118','wr':'\u2240','wreath':'\u2240','wscr':'\uD835\uDCCC','Wscr':'\uD835\uDCB2','xcap':'\u22C2','xcirc':'\u25EF','xcup':'\u22C3','xdtri':'\u25BD','xfr':'\uD835\uDD35','Xfr':'\uD835\uDD1B','xharr':'\u27F7','xhArr':'\u27FA','xi':'\u03BE','Xi':'\u039E','xlarr':'\u27F5','xlArr':'\u27F8','xmap':'\u27FC','xnis':'\u22FB','xodot':'\u2A00','xopf':'\uD835\uDD69','Xopf':'\uD835\uDD4F','xoplus':'\u2A01','xotime':'\u2A02','xrarr':'\u27F6','xrArr':'\u27F9','xscr':'\uD835\uDCCD','Xscr':'\uD835\uDCB3','xsqcup':'\u2A06','xuplus':'\u2A04','xutri':'\u25B3','xvee':'\u22C1','xwedge':'\u22C0','yacute':'\xFD','Yacute':'\xDD','yacy':'\u044F','YAcy':'\u042F','ycirc':'\u0177','Ycirc':'\u0176','ycy':'\u044B','Ycy':'\u042B','yen':'\xA5','yfr':'\uD835\uDD36','Yfr':'\uD835\uDD1C','yicy':'\u0457','YIcy':'\u0407','yopf':'\uD835\uDD6A','Yopf':'\uD835\uDD50','yscr':'\uD835\uDCCE','Yscr':'\uD835\uDCB4','yucy':'\u044E','YUcy':'\u042E','yuml':'\xFF','Yuml':'\u0178','zacute':'\u017A','Zacute':'\u0179','zcaron':'\u017E','Zcaron':'\u017D','zcy':'\u0437','Zcy':'\u0417','zdot':'\u017C','Zdot':'\u017B','zeetrf':'\u2128','ZeroWidthSpace':'\u200B','zeta':'\u03B6','Zeta':'\u0396','zfr':'\uD835\uDD37','Zfr':'\u2128','zhcy':'\u0436','ZHcy':'\u0416','zigrarr':'\u21DD','zopf':'\uD835\uDD6B','Zopf':'\u2124','zscr':'\uD835\uDCCF','Zscr':'\uD835\uDCB5','zwj':'\u200D','zwnj':'\u200C'}; + var decodeMapLegacy = {'aacute':'\xE1','Aacute':'\xC1','acirc':'\xE2','Acirc':'\xC2','acute':'\xB4','aelig':'\xE6','AElig':'\xC6','agrave':'\xE0','Agrave':'\xC0','amp':'&','AMP':'&','aring':'\xE5','Aring':'\xC5','atilde':'\xE3','Atilde':'\xC3','auml':'\xE4','Auml':'\xC4','brvbar':'\xA6','ccedil':'\xE7','Ccedil':'\xC7','cedil':'\xB8','cent':'\xA2','copy':'\xA9','COPY':'\xA9','curren':'\xA4','deg':'\xB0','divide':'\xF7','eacute':'\xE9','Eacute':'\xC9','ecirc':'\xEA','Ecirc':'\xCA','egrave':'\xE8','Egrave':'\xC8','eth':'\xF0','ETH':'\xD0','euml':'\xEB','Euml':'\xCB','frac12':'\xBD','frac14':'\xBC','frac34':'\xBE','gt':'>','GT':'>','iacute':'\xED','Iacute':'\xCD','icirc':'\xEE','Icirc':'\xCE','iexcl':'\xA1','igrave':'\xEC','Igrave':'\xCC','iquest':'\xBF','iuml':'\xEF','Iuml':'\xCF','laquo':'\xAB','lt':'<','LT':'<','macr':'\xAF','micro':'\xB5','middot':'\xB7','nbsp':'\xA0','not':'\xAC','ntilde':'\xF1','Ntilde':'\xD1','oacute':'\xF3','Oacute':'\xD3','ocirc':'\xF4','Ocirc':'\xD4','ograve':'\xF2','Ograve':'\xD2','ordf':'\xAA','ordm':'\xBA','oslash':'\xF8','Oslash':'\xD8','otilde':'\xF5','Otilde':'\xD5','ouml':'\xF6','Ouml':'\xD6','para':'\xB6','plusmn':'\xB1','pound':'\xA3','quot':'"','QUOT':'"','raquo':'\xBB','reg':'\xAE','REG':'\xAE','sect':'\xA7','shy':'\xAD','sup1':'\xB9','sup2':'\xB2','sup3':'\xB3','szlig':'\xDF','thorn':'\xFE','THORN':'\xDE','times':'\xD7','uacute':'\xFA','Uacute':'\xDA','ucirc':'\xFB','Ucirc':'\xDB','ugrave':'\xF9','Ugrave':'\xD9','uml':'\xA8','uuml':'\xFC','Uuml':'\xDC','yacute':'\xFD','Yacute':'\xDD','yen':'\xA5','yuml':'\xFF'}; + var decodeMapNumeric = {'0':'\uFFFD','128':'\u20AC','130':'\u201A','131':'\u0192','132':'\u201E','133':'\u2026','134':'\u2020','135':'\u2021','136':'\u02C6','137':'\u2030','138':'\u0160','139':'\u2039','140':'\u0152','142':'\u017D','145':'\u2018','146':'\u2019','147':'\u201C','148':'\u201D','149':'\u2022','150':'\u2013','151':'\u2014','152':'\u02DC','153':'\u2122','154':'\u0161','155':'\u203A','156':'\u0153','158':'\u017E','159':'\u0178'}; + var invalidReferenceCodePoints = [1,2,3,4,5,6,7,8,11,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,64976,64977,64978,64979,64980,64981,64982,64983,64984,64985,64986,64987,64988,64989,64990,64991,64992,64993,64994,64995,64996,64997,64998,64999,65000,65001,65002,65003,65004,65005,65006,65007,65534,65535,131070,131071,196606,196607,262142,262143,327678,327679,393214,393215,458750,458751,524286,524287,589822,589823,655358,655359,720894,720895,786430,786431,851966,851967,917502,917503,983038,983039,1048574,1048575,1114110,1114111]; + + /*--------------------------------------------------------------------------*/ + + var stringFromCharCode = String.fromCharCode; + + var object = {}; + var hasOwnProperty = object.hasOwnProperty; + var has = function(object, propertyName) { + return hasOwnProperty.call(object, propertyName); + }; + + var contains = function(array, value) { + var index = -1; + var length = array.length; + while (++index < length) { + if (array[index] == value) { + return true; + } + } + return false; + }; + + var merge = function(options, defaults) { + if (!options) { + return defaults; + } + var result = {}; + var key; + for (key in defaults) { + // A `hasOwnProperty` check is not needed here, since only recognized + // option names are used anyway. Any others are ignored. + result[key] = has(options, key) ? options[key] : defaults[key]; + } + return result; + }; + + // Modified version of `ucs2encode`; see https://mths.be/punycode. + var codePointToSymbol = function(codePoint, strict) { + var output = ''; + if ((codePoint >= 0xD800 && codePoint <= 0xDFFF) || codePoint > 0x10FFFF) { + // See issue #4: + // “Otherwise, if the number is in the range 0xD800 to 0xDFFF or is + // greater than 0x10FFFF, then this is a parse error. Return a U+FFFD + // REPLACEMENT CHARACTER.” + if (strict) { + parseError('character reference outside the permissible Unicode range'); + } + return '\uFFFD'; + } + if (has(decodeMapNumeric, codePoint)) { + if (strict) { + parseError('disallowed character reference'); + } + return decodeMapNumeric[codePoint]; + } + if (strict && contains(invalidReferenceCodePoints, codePoint)) { + parseError('disallowed character reference'); + } + if (codePoint > 0xFFFF) { + codePoint -= 0x10000; + output += stringFromCharCode(codePoint >>> 10 & 0x3FF | 0xD800); + codePoint = 0xDC00 | codePoint & 0x3FF; + } + output += stringFromCharCode(codePoint); + return output; + }; + + var hexEscape = function(codePoint) { + return '&#x' + codePoint.toString(16).toUpperCase() + ';'; + }; + + var decEscape = function(codePoint) { + return '&#' + codePoint + ';'; + }; + + var parseError = function(message) { + throw Error('Parse error: ' + message); + }; + + /*--------------------------------------------------------------------------*/ + + var encode = function(string, options) { + options = merge(options, encode.options); + var strict = options.strict; + if (strict && regexInvalidRawCodePoint.test(string)) { + parseError('forbidden code point'); + } + var encodeEverything = options.encodeEverything; + var useNamedReferences = options.useNamedReferences; + var allowUnsafeSymbols = options.allowUnsafeSymbols; + var escapeCodePoint = options.decimal ? decEscape : hexEscape; + + var escapeBmpSymbol = function(symbol) { + return escapeCodePoint(symbol.charCodeAt(0)); + }; + + if (encodeEverything) { + // Encode ASCII symbols. + string = string.replace(regexAsciiWhitelist, function(symbol) { + // Use named references if requested & possible. + if (useNamedReferences && has(encodeMap, symbol)) { + return '&' + encodeMap[symbol] + ';'; + } + return escapeBmpSymbol(symbol); + }); + // Shorten a few escapes that represent two symbols, of which at least one + // is within the ASCII range. + if (useNamedReferences) { + string = string + .replace(/>\u20D2/g, '>⃒') + .replace(/<\u20D2/g, '<⃒') + .replace(/fj/g, 'fj'); + } + // Encode non-ASCII symbols. + if (useNamedReferences) { + // Encode non-ASCII symbols that can be replaced with a named reference. + string = string.replace(regexEncodeNonAscii, function(string) { + // Note: there is no need to check `has(encodeMap, string)` here. + return '&' + encodeMap[string] + ';'; + }); + } + // Note: any remaining non-ASCII symbols are handled outside of the `if`. + } else if (useNamedReferences) { + // Apply named character references. + // Encode `<>"'&` using named character references. + if (!allowUnsafeSymbols) { + string = string.replace(regexEscape, function(string) { + return '&' + encodeMap[string] + ';'; // no need to check `has()` here + }); + } + // Shorten escapes that represent two symbols, of which at least one is + // `<>"'&`. + string = string + .replace(/>\u20D2/g, '>⃒') + .replace(/<\u20D2/g, '<⃒'); + // Encode non-ASCII symbols that can be replaced with a named reference. + string = string.replace(regexEncodeNonAscii, function(string) { + // Note: there is no need to check `has(encodeMap, string)` here. + return '&' + encodeMap[string] + ';'; + }); + } else if (!allowUnsafeSymbols) { + // Encode `<>"'&` using hexadecimal escapes, now that they’re not handled + // using named character references. + string = string.replace(regexEscape, escapeBmpSymbol); + } + return string + // Encode astral symbols. + .replace(regexAstralSymbols, function($0) { + // https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae + var high = $0.charCodeAt(0); + var low = $0.charCodeAt(1); + var codePoint = (high - 0xD800) * 0x400 + low - 0xDC00 + 0x10000; + return escapeCodePoint(codePoint); + }) + // Encode any remaining BMP symbols that are not printable ASCII symbols + // using a hexadecimal escape. + .replace(regexBmpWhitelist, escapeBmpSymbol); + }; + // Expose default options (so they can be overridden globally). + encode.options = { + 'allowUnsafeSymbols': false, + 'encodeEverything': false, + 'strict': false, + 'useNamedReferences': false, + 'decimal' : false + }; + + var decode = function(html, options) { + options = merge(options, decode.options); + var strict = options.strict; + if (strict && regexInvalidEntity.test(html)) { + parseError('malformed character reference'); + } + return html.replace(regexDecode, function($0, $1, $2, $3, $4, $5, $6, $7, $8) { + var codePoint; + var semicolon; + var decDigits; + var hexDigits; + var reference; + var next; + + if ($1) { + reference = $1; + // Note: there is no need to check `has(decodeMap, reference)`. + return decodeMap[reference]; + } + + if ($2) { + // Decode named character references without trailing `;`, e.g. `&`. + // This is only a parse error if it gets converted to `&`, or if it is + // followed by `=` in an attribute context. + reference = $2; + next = $3; + if (next && options.isAttributeValue) { + if (strict && next == '=') { + parseError('`&` did not start a character reference'); + } + return $0; + } else { + if (strict) { + parseError( + 'named character reference was not terminated by a semicolon' + ); + } + // Note: there is no need to check `has(decodeMapLegacy, reference)`. + return decodeMapLegacy[reference] + (next || ''); + } + } + + if ($4) { + // Decode decimal escapes, e.g. `𝌆`. + decDigits = $4; + semicolon = $5; + if (strict && !semicolon) { + parseError('character reference was not terminated by a semicolon'); + } + codePoint = parseInt(decDigits, 10); + return codePointToSymbol(codePoint, strict); + } + + if ($6) { + // Decode hexadecimal escapes, e.g. `𝌆`. + hexDigits = $6; + semicolon = $7; + if (strict && !semicolon) { + parseError('character reference was not terminated by a semicolon'); + } + codePoint = parseInt(hexDigits, 16); + return codePointToSymbol(codePoint, strict); + } + + // If we’re still here, `if ($7)` is implied; it’s an ambiguous + // ampersand for sure. https://mths.be/notes/ambiguous-ampersands + if (strict) { + parseError( + 'named character reference was not terminated by a semicolon' + ); + } + return $0; + }); + }; + // Expose default options (so they can be overridden globally). + decode.options = { + 'isAttributeValue': false, + 'strict': false + }; + + var escape = function(string) { + return string.replace(regexEscape, function($0) { + // Note: there is no need to check `has(escapeMap, $0)` here. + return escapeMap[$0]; + }); + }; + + /*--------------------------------------------------------------------------*/ + + var he = { + 'version': '1.2.0', + 'encode': encode, + 'decode': decode, + 'escape': escape, + 'unescape': decode + }; + + // Some AMD build optimizers, like r.js, check for specific condition patterns + // like the following: + if ( + false + ) { + define(function() { + return he; + }); + } else if (freeExports && !freeExports.nodeType) { + if (freeModule) { // in Node.js, io.js, or RingoJS v0.8.0+ + freeModule.exports = he; + } else { // in Narwhal or RingoJS v0.7.0- + for (var key in he) { + has(he, key) && (freeExports[key] = he[key]); + } + } + } else { // in Rhino or a web browser + root.he = he; + } + +}(this)); + +}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) +},{}],55:[function(require,module,exports){ +exports.read = function (buffer, offset, isLE, mLen, nBytes) { + var e, m + var eLen = (nBytes * 8) - mLen - 1 + var eMax = (1 << eLen) - 1 + var eBias = eMax >> 1 + var nBits = -7 + var i = isLE ? (nBytes - 1) : 0 + var d = isLE ? -1 : 1 + var s = buffer[offset + i] + + i += d + + e = s & ((1 << (-nBits)) - 1) + s >>= (-nBits) + nBits += eLen + for (; nBits > 0; e = (e * 256) + buffer[offset + i], i += d, nBits -= 8) {} + + m = e & ((1 << (-nBits)) - 1) + e >>= (-nBits) + nBits += mLen + for (; nBits > 0; m = (m * 256) + buffer[offset + i], i += d, nBits -= 8) {} + + if (e === 0) { + e = 1 - eBias + } else if (e === eMax) { + return m ? NaN : ((s ? -1 : 1) * Infinity) + } else { + m = m + Math.pow(2, mLen) + e = e - eBias + } + return (s ? -1 : 1) * m * Math.pow(2, e - mLen) +} + +exports.write = function (buffer, value, offset, isLE, mLen, nBytes) { + var e, m, c + var eLen = (nBytes * 8) - mLen - 1 + var eMax = (1 << eLen) - 1 + var eBias = eMax >> 1 + var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0) + var i = isLE ? 0 : (nBytes - 1) + var d = isLE ? 1 : -1 + var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0 + + value = Math.abs(value) + + if (isNaN(value) || value === Infinity) { + m = isNaN(value) ? 1 : 0 + e = eMax + } else { + e = Math.floor(Math.log(value) / Math.LN2) + if (value * (c = Math.pow(2, -e)) < 1) { + e-- + c *= 2 + } + if (e + eBias >= 1) { + value += rt / c + } else { + value += rt * Math.pow(2, 1 - eBias) + } + if (value * c >= 2) { + e++ + c /= 2 + } + + if (e + eBias >= eMax) { + m = 0 + e = eMax + } else if (e + eBias >= 1) { + m = ((value * c) - 1) * Math.pow(2, mLen) + e = e + eBias + } else { + m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen) + e = 0 + } + } + + for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {} + + e = (e << mLen) | m + eLen += mLen + for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {} + + buffer[offset + i - d] |= s * 128 +} + +},{}],56:[function(require,module,exports){ +if (typeof Object.create === 'function') { + // implementation from standard node.js 'util' module + module.exports = function inherits(ctor, superCtor) { + ctor.super_ = superCtor + ctor.prototype = Object.create(superCtor.prototype, { + constructor: { + value: ctor, + enumerable: false, + writable: true, + configurable: true + } + }); + }; +} else { + // old school shim for old browsers + module.exports = function inherits(ctor, superCtor) { + ctor.super_ = superCtor + var TempCtor = function () {} + TempCtor.prototype = superCtor.prototype + ctor.prototype = new TempCtor() + ctor.prototype.constructor = ctor + } +} + +},{}],57:[function(require,module,exports){ +/*! + * Determine if an object is a Buffer + * + * @author Feross Aboukhadijeh + * @license MIT + */ + +// The _isBuffer check is for Safari 5-7 support, because it's missing +// Object.prototype.constructor. Remove this eventually +module.exports = function (obj) { + return obj != null && (isBuffer(obj) || isSlowBuffer(obj) || !!obj._isBuffer) +} + +function isBuffer (obj) { + return !!obj.constructor && typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj) +} + +// For Node v0.10 support. Remove this eventually. +function isSlowBuffer (obj) { + return typeof obj.readFloatLE === 'function' && typeof obj.slice === 'function' && isBuffer(obj.slice(0, 0)) +} + +},{}],58:[function(require,module,exports){ +var toString = {}.toString; + +module.exports = Array.isArray || function (arr) { + return toString.call(arr) == '[object Array]'; +}; + +},{}],59:[function(require,module,exports){ +(function (process){ +var path = require('path'); +var fs = require('fs'); +var _0777 = parseInt('0777', 8); + +module.exports = mkdirP.mkdirp = mkdirP.mkdirP = mkdirP; + +function mkdirP (p, opts, f, made) { + if (typeof opts === 'function') { + f = opts; + opts = {}; + } + else if (!opts || typeof opts !== 'object') { + opts = { mode: opts }; + } + + var mode = opts.mode; + var xfs = opts.fs || fs; + + if (mode === undefined) { + mode = _0777 & (~process.umask()); + } + if (!made) made = null; + + var cb = f || function () {}; + p = path.resolve(p); + + xfs.mkdir(p, mode, function (er) { + if (!er) { + made = made || p; + return cb(null, made); + } + switch (er.code) { + case 'ENOENT': + mkdirP(path.dirname(p), opts, function (er, made) { + if (er) cb(er, made); + else mkdirP(p, opts, cb, made); + }); + break; + + // In the case of any other error, just see if there's a dir + // there already. If so, then hooray! If not, then something + // is borked. + default: + xfs.stat(p, function (er2, stat) { + // if the stat fails, then that's super weird. + // let the original error be the failure reason. + if (er2 || !stat.isDirectory()) cb(er, made) + else cb(null, made); + }); + break; + } + }); +} + +mkdirP.sync = function sync (p, opts, made) { + if (!opts || typeof opts !== 'object') { + opts = { mode: opts }; + } + + var mode = opts.mode; + var xfs = opts.fs || fs; + + if (mode === undefined) { + mode = _0777 & (~process.umask()); + } + if (!made) made = null; + + p = path.resolve(p); + + try { + xfs.mkdirSync(p, mode); + made = made || p; + } + catch (err0) { + switch (err0.code) { + case 'ENOENT' : + made = sync(path.dirname(p), opts, made); + sync(p, opts, made); + break; + + // In the case of any other error, just see if there's a dir + // there already. If so, then hooray! If not, then something + // is borked. + default: + var stat; + try { + stat = xfs.statSync(p); + } + catch (err1) { + throw err0; + } + if (!stat.isDirectory()) throw err0; + break; + } + } + + return made; +}; + +}).call(this,require('_process')) +},{"_process":69,"fs":42,"path":42}],60:[function(require,module,exports){ +/** + * Helpers. + */ + +var s = 1000; +var m = s * 60; +var h = m * 60; +var d = h * 24; +var w = d * 7; +var y = d * 365.25; + +/** + * Parse or format the given `val`. + * + * Options: + * + * - `long` verbose formatting [false] + * + * @param {String|Number} val + * @param {Object} [options] + * @throws {Error} throw an error if val is not a non-empty string or a number + * @return {String|Number} + * @api public + */ + +module.exports = function(val, options) { + options = options || {}; + var type = typeof val; + if (type === 'string' && val.length > 0) { + return parse(val); + } else if (type === 'number' && isNaN(val) === false) { + return options.long ? fmtLong(val) : fmtShort(val); + } + throw new Error( + 'val is not a non-empty string or a valid number. val=' + + JSON.stringify(val) + ); +}; + +/** + * Parse the given `str` and return milliseconds. + * + * @param {String} str + * @return {Number} + * @api private + */ + +function parse(str) { + str = String(str); + if (str.length > 100) { + return; + } + var match = /^((?:\d+)?\-?\d?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec( + str + ); + if (!match) { + return; + } + var n = parseFloat(match[1]); + var type = (match[2] || 'ms').toLowerCase(); + switch (type) { + case 'years': + case 'year': + case 'yrs': + case 'yr': + case 'y': + return n * y; + case 'weeks': + case 'week': + case 'w': + return n * w; + case 'days': + case 'day': + case 'd': + return n * d; + case 'hours': + case 'hour': + case 'hrs': + case 'hr': + case 'h': + return n * h; + case 'minutes': + case 'minute': + case 'mins': + case 'min': + case 'm': + return n * m; + case 'seconds': + case 'second': + case 'secs': + case 'sec': + case 's': + return n * s; + case 'milliseconds': + case 'millisecond': + case 'msecs': + case 'msec': + case 'ms': + return n; + default: + return undefined; + } +} + +/** + * Short format for `ms`. + * + * @param {Number} ms + * @return {String} + * @api private + */ + +function fmtShort(ms) { + var msAbs = Math.abs(ms); + if (msAbs >= d) { + return Math.round(ms / d) + 'd'; + } + if (msAbs >= h) { + return Math.round(ms / h) + 'h'; + } + if (msAbs >= m) { + return Math.round(ms / m) + 'm'; + } + if (msAbs >= s) { + return Math.round(ms / s) + 's'; + } + return ms + 'ms'; +} + +/** + * Long format for `ms`. + * + * @param {Number} ms + * @return {String} + * @api private + */ + +function fmtLong(ms) { + var msAbs = Math.abs(ms); + if (msAbs >= d) { + return plural(ms, msAbs, d, 'day'); + } + if (msAbs >= h) { + return plural(ms, msAbs, h, 'hour'); + } + if (msAbs >= m) { + return plural(ms, msAbs, m, 'minute'); + } + if (msAbs >= s) { + return plural(ms, msAbs, s, 'second'); + } + return ms + ' ms'; +} + +/** + * Pluralization helper. + */ + +function plural(ms, msAbs, n, name) { + var isPlural = msAbs >= n * 1.5; + return Math.round(ms / n) + ' ' + name + (isPlural ? 's' : ''); +} + +},{}],61:[function(require,module,exports){ +'use strict'; + +var keysShim; +if (!Object.keys) { + // modified from https://github.com/es-shims/es5-shim + var has = Object.prototype.hasOwnProperty; + var toStr = Object.prototype.toString; + var isArgs = require('./isArguments'); // eslint-disable-line global-require + var isEnumerable = Object.prototype.propertyIsEnumerable; + var hasDontEnumBug = !isEnumerable.call({ toString: null }, 'toString'); + var hasProtoEnumBug = isEnumerable.call(function () {}, 'prototype'); + var dontEnums = [ + 'toString', + 'toLocaleString', + 'valueOf', + 'hasOwnProperty', + 'isPrototypeOf', + 'propertyIsEnumerable', + 'constructor' + ]; + var equalsConstructorPrototype = function (o) { + var ctor = o.constructor; + return ctor && ctor.prototype === o; + }; + var excludedKeys = { + $applicationCache: true, + $console: true, + $external: true, + $frame: true, + $frameElement: true, + $frames: true, + $innerHeight: true, + $innerWidth: true, + $outerHeight: true, + $outerWidth: true, + $pageXOffset: true, + $pageYOffset: true, + $parent: true, + $scrollLeft: true, + $scrollTop: true, + $scrollX: true, + $scrollY: true, + $self: true, + $webkitIndexedDB: true, + $webkitStorageInfo: true, + $window: true + }; + var hasAutomationEqualityBug = (function () { + /* global window */ + if (typeof window === 'undefined') { return false; } + for (var k in window) { + try { + if (!excludedKeys['$' + k] && has.call(window, k) && window[k] !== null && typeof window[k] === 'object') { + try { + equalsConstructorPrototype(window[k]); + } catch (e) { + return true; + } + } + } catch (e) { + return true; + } + } + return false; + }()); + var equalsConstructorPrototypeIfNotBuggy = function (o) { + /* global window */ + if (typeof window === 'undefined' || !hasAutomationEqualityBug) { + return equalsConstructorPrototype(o); + } + try { + return equalsConstructorPrototype(o); + } catch (e) { + return false; + } + }; + + keysShim = function keys(object) { + var isObject = object !== null && typeof object === 'object'; + var isFunction = toStr.call(object) === '[object Function]'; + var isArguments = isArgs(object); + var isString = isObject && toStr.call(object) === '[object String]'; + var theKeys = []; + + if (!isObject && !isFunction && !isArguments) { + throw new TypeError('Object.keys called on a non-object'); + } + + var skipProto = hasProtoEnumBug && isFunction; + if (isString && object.length > 0 && !has.call(object, 0)) { + for (var i = 0; i < object.length; ++i) { + theKeys.push(String(i)); + } + } + + if (isArguments && object.length > 0) { + for (var j = 0; j < object.length; ++j) { + theKeys.push(String(j)); + } + } else { + for (var name in object) { + if (!(skipProto && name === 'prototype') && has.call(object, name)) { + theKeys.push(String(name)); + } + } + } + + if (hasDontEnumBug) { + var skipConstructor = equalsConstructorPrototypeIfNotBuggy(object); + + for (var k = 0; k < dontEnums.length; ++k) { + if (!(skipConstructor && dontEnums[k] === 'constructor') && has.call(object, dontEnums[k])) { + theKeys.push(dontEnums[k]); + } + } + } + return theKeys; + }; +} +module.exports = keysShim; + +},{"./isArguments":63}],62:[function(require,module,exports){ +'use strict'; + +var slice = Array.prototype.slice; +var isArgs = require('./isArguments'); + +var origKeys = Object.keys; +var keysShim = origKeys ? function keys(o) { return origKeys(o); } : require('./implementation'); + +var originalKeys = Object.keys; + +keysShim.shim = function shimObjectKeys() { + if (Object.keys) { + var keysWorksWithArguments = (function () { + // Safari 5.0 bug + var args = Object.keys(arguments); + return args && args.length === arguments.length; + }(1, 2)); + if (!keysWorksWithArguments) { + Object.keys = function keys(object) { // eslint-disable-line func-name-matching + if (isArgs(object)) { + return originalKeys(slice.call(object)); + } + return originalKeys(object); + }; + } + } else { + Object.keys = keysShim; + } + return Object.keys || keysShim; +}; + +module.exports = keysShim; + +},{"./implementation":61,"./isArguments":63}],63:[function(require,module,exports){ +'use strict'; + +var toStr = Object.prototype.toString; + +module.exports = function isArguments(value) { + var str = toStr.call(value); + var isArgs = str === '[object Arguments]'; + if (!isArgs) { + isArgs = str !== '[object Array]' && + value !== null && + typeof value === 'object' && + typeof value.length === 'number' && + value.length >= 0 && + toStr.call(value.callee) === '[object Function]'; + } + return isArgs; +}; + +},{}],64:[function(require,module,exports){ +'use strict'; + +// modified from https://github.com/es-shims/es6-shim +var keys = require('object-keys'); +var bind = require('function-bind'); +var canBeObject = function (obj) { + return typeof obj !== 'undefined' && obj !== null; +}; +var hasSymbols = require('has-symbols/shams')(); +var toObject = Object; +var push = bind.call(Function.call, Array.prototype.push); +var propIsEnumerable = bind.call(Function.call, Object.prototype.propertyIsEnumerable); +var originalGetSymbols = hasSymbols ? Object.getOwnPropertySymbols : null; + +module.exports = function assign(target, source1) { + if (!canBeObject(target)) { throw new TypeError('target must be an object'); } + var objTarget = toObject(target); + var s, source, i, props, syms, value, key; + for (s = 1; s < arguments.length; ++s) { + source = toObject(arguments[s]); + props = keys(source); + var getSymbols = hasSymbols && (Object.getOwnPropertySymbols || originalGetSymbols); + if (getSymbols) { + syms = getSymbols(source); + for (i = 0; i < syms.length; ++i) { + key = syms[i]; + if (propIsEnumerable(source, key)) { + push(props, key); + } + } + } + for (i = 0; i < props.length; ++i) { + key = props[i]; + value = source[key]; + if (propIsEnumerable(source, key)) { + objTarget[key] = value; + } + } + } + return objTarget; +}; + +},{"function-bind":52,"has-symbols/shams":53,"object-keys":62}],65:[function(require,module,exports){ +'use strict'; + +var defineProperties = require('define-properties'); + +var implementation = require('./implementation'); +var getPolyfill = require('./polyfill'); +var shim = require('./shim'); + +var polyfill = getPolyfill(); + +defineProperties(polyfill, { + getPolyfill: getPolyfill, + implementation: implementation, + shim: shim +}); + +module.exports = polyfill; + +},{"./implementation":64,"./polyfill":66,"./shim":67,"define-properties":47}],66:[function(require,module,exports){ +'use strict'; + +var implementation = require('./implementation'); + +var lacksProperEnumerationOrder = function () { + if (!Object.assign) { + return false; + } + // v8, specifically in node 4.x, has a bug with incorrect property enumeration order + // note: this does not detect the bug unless there's 20 characters + var str = 'abcdefghijklmnopqrst'; + var letters = str.split(''); + var map = {}; + for (var i = 0; i < letters.length; ++i) { + map[letters[i]] = letters[i]; + } + var obj = Object.assign({}, map); + var actual = ''; + for (var k in obj) { + actual += k; + } + return str !== actual; +}; + +var assignHasPendingExceptions = function () { + if (!Object.assign || !Object.preventExtensions) { + return false; + } + // Firefox 37 still has "pending exception" logic in its Object.assign implementation, + // which is 72% slower than our shim, and Firefox 40's native implementation. + var thrower = Object.preventExtensions({ 1: 2 }); + try { + Object.assign(thrower, 'xy'); + } catch (e) { + return thrower[1] === 'y'; + } + return false; +}; + +module.exports = function getPolyfill() { + if (!Object.assign) { + return implementation; + } + if (lacksProperEnumerationOrder()) { + return implementation; + } + if (assignHasPendingExceptions()) { + return implementation; + } + return Object.assign; +}; + +},{"./implementation":64}],67:[function(require,module,exports){ +'use strict'; + +var define = require('define-properties'); +var getPolyfill = require('./polyfill'); + +module.exports = function shimAssign() { + var polyfill = getPolyfill(); + define( + Object, + { assign: polyfill }, + { assign: function () { return Object.assign !== polyfill; } } + ); + return polyfill; +}; + +},{"./polyfill":66,"define-properties":47}],68:[function(require,module,exports){ +(function (process){ +'use strict'; + +if (!process.version || + process.version.indexOf('v0.') === 0 || + process.version.indexOf('v1.') === 0 && process.version.indexOf('v1.8.') !== 0) { + module.exports = { nextTick: nextTick }; +} else { + module.exports = process +} + +function nextTick(fn, arg1, arg2, arg3) { + if (typeof fn !== 'function') { + throw new TypeError('"callback" argument must be a function'); + } + var len = arguments.length; + var args, i; + switch (len) { + case 0: + case 1: + return process.nextTick(fn); + case 2: + return process.nextTick(function afterTickOne() { + fn.call(null, arg1); + }); + case 3: + return process.nextTick(function afterTickTwo() { + fn.call(null, arg1, arg2); + }); + case 4: + return process.nextTick(function afterTickThree() { + fn.call(null, arg1, arg2, arg3); + }); + default: + args = new Array(len - 1); + i = 0; + while (i < args.length) { + args[i++] = arguments[i]; + } + return process.nextTick(function afterTick() { + fn.apply(null, args); + }); + } +} + + +}).call(this,require('_process')) +},{"_process":69}],69:[function(require,module,exports){ +// shim for using process in browser +var process = module.exports = {}; + +// cached from whatever global is present so that test runners that stub it +// don't break things. But we need to wrap it in a try catch in case it is +// wrapped in strict mode code which doesn't define any globals. It's inside a +// function because try/catches deoptimize in certain engines. + +var cachedSetTimeout; +var cachedClearTimeout; + +function defaultSetTimout() { + throw new Error('setTimeout has not been defined'); +} +function defaultClearTimeout () { + throw new Error('clearTimeout has not been defined'); +} +(function () { + try { + if (typeof setTimeout === 'function') { + cachedSetTimeout = setTimeout; + } else { + cachedSetTimeout = defaultSetTimout; + } + } catch (e) { + cachedSetTimeout = defaultSetTimout; + } + try { + if (typeof clearTimeout === 'function') { + cachedClearTimeout = clearTimeout; + } else { + cachedClearTimeout = defaultClearTimeout; + } + } catch (e) { + cachedClearTimeout = defaultClearTimeout; + } +} ()) +function runTimeout(fun) { + if (cachedSetTimeout === setTimeout) { + //normal enviroments in sane situations + return setTimeout(fun, 0); + } + // if setTimeout wasn't available but was latter defined + if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) { + cachedSetTimeout = setTimeout; + return setTimeout(fun, 0); + } + try { + // when when somebody has screwed with setTimeout but no I.E. maddness + return cachedSetTimeout(fun, 0); + } catch(e){ + try { + // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally + return cachedSetTimeout.call(null, fun, 0); + } catch(e){ + // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error + return cachedSetTimeout.call(this, fun, 0); + } + } + + +} +function runClearTimeout(marker) { + if (cachedClearTimeout === clearTimeout) { + //normal enviroments in sane situations + return clearTimeout(marker); + } + // if clearTimeout wasn't available but was latter defined + if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) { + cachedClearTimeout = clearTimeout; + return clearTimeout(marker); + } + try { + // when when somebody has screwed with setTimeout but no I.E. maddness + return cachedClearTimeout(marker); + } catch (e){ + try { + // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally + return cachedClearTimeout.call(null, marker); + } catch (e){ + // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error. + // Some versions of I.E. have different rules for clearTimeout vs setTimeout + return cachedClearTimeout.call(this, marker); + } + } + + + +} +var queue = []; +var draining = false; +var currentQueue; +var queueIndex = -1; + +function cleanUpNextTick() { + if (!draining || !currentQueue) { + return; + } + draining = false; + if (currentQueue.length) { + queue = currentQueue.concat(queue); + } else { + queueIndex = -1; + } + if (queue.length) { + drainQueue(); + } +} + +function drainQueue() { + if (draining) { + return; + } + var timeout = runTimeout(cleanUpNextTick); + draining = true; + + var len = queue.length; + while(len) { + currentQueue = queue; + queue = []; + while (++queueIndex < len) { + if (currentQueue) { + currentQueue[queueIndex].run(); + } + } + queueIndex = -1; + len = queue.length; + } + currentQueue = null; + draining = false; + runClearTimeout(timeout); +} + +process.nextTick = function (fun) { + var args = new Array(arguments.length - 1); + if (arguments.length > 1) { + for (var i = 1; i < arguments.length; i++) { + args[i - 1] = arguments[i]; + } + } + queue.push(new Item(fun, args)); + if (queue.length === 1 && !draining) { + runTimeout(drainQueue); + } +}; + +// v8 likes predictible objects +function Item(fun, array) { + this.fun = fun; + this.array = array; +} +Item.prototype.run = function () { + this.fun.apply(null, this.array); +}; +process.title = 'browser'; +process.browser = true; +process.env = {}; +process.argv = []; +process.version = ''; // empty string to avoid regexp issues +process.versions = {}; + +function noop() {} + +process.on = noop; +process.addListener = noop; +process.once = noop; +process.off = noop; +process.removeListener = noop; +process.removeAllListeners = noop; +process.emit = noop; +process.prependListener = noop; +process.prependOnceListener = noop; + +process.listeners = function (name) { return [] } + +process.binding = function (name) { + throw new Error('process.binding is not supported'); +}; + +process.cwd = function () { return '/' }; +process.chdir = function (dir) { + throw new Error('process.chdir is not supported'); +}; +process.umask = function() { return 0; }; + +},{}],70:[function(require,module,exports){ +module.exports = require('./lib/_stream_duplex.js'); + +},{"./lib/_stream_duplex.js":71}],71:[function(require,module,exports){ +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + +// a duplex stream is just a stream that is both readable and writable. +// Since JS doesn't have multiple prototypal inheritance, this class +// prototypally inherits from Readable, and then parasitically from +// Writable. + +'use strict'; + +/**/ + +var pna = require('process-nextick-args'); +/**/ + +/**/ +var objectKeys = Object.keys || function (obj) { + var keys = []; + for (var key in obj) { + keys.push(key); + }return keys; +}; +/**/ + +module.exports = Duplex; + +/**/ +var util = require('core-util-is'); +util.inherits = require('inherits'); +/**/ + +var Readable = require('./_stream_readable'); +var Writable = require('./_stream_writable'); + +util.inherits(Duplex, Readable); + +{ + // avoid scope creep, the keys array can then be collected + var keys = objectKeys(Writable.prototype); + for (var v = 0; v < keys.length; v++) { + var method = keys[v]; + if (!Duplex.prototype[method]) Duplex.prototype[method] = Writable.prototype[method]; + } +} + +function Duplex(options) { + if (!(this instanceof Duplex)) return new Duplex(options); + + Readable.call(this, options); + Writable.call(this, options); + + if (options && options.readable === false) this.readable = false; + + if (options && options.writable === false) this.writable = false; + + this.allowHalfOpen = true; + if (options && options.allowHalfOpen === false) this.allowHalfOpen = false; + + this.once('end', onend); +} + +Object.defineProperty(Duplex.prototype, 'writableHighWaterMark', { + // making it explicit this property is not enumerable + // because otherwise some prototype manipulation in + // userland will fail + enumerable: false, + get: function () { + return this._writableState.highWaterMark; + } +}); + +// the no-half-open enforcer +function onend() { + // if we allow half-open state, or if the writable side ended, + // then we're ok. + if (this.allowHalfOpen || this._writableState.ended) return; + + // no more data can be written. + // But allow more writes to happen in this tick. + pna.nextTick(onEndNT, this); +} + +function onEndNT(self) { + self.end(); +} + +Object.defineProperty(Duplex.prototype, 'destroyed', { + get: function () { + if (this._readableState === undefined || this._writableState === undefined) { + return false; + } + return this._readableState.destroyed && this._writableState.destroyed; + }, + set: function (value) { + // we ignore the value if the stream + // has not been initialized yet + if (this._readableState === undefined || this._writableState === undefined) { + return; + } + + // backward compatibility, the user is explicitly + // managing destroyed + this._readableState.destroyed = value; + this._writableState.destroyed = value; + } +}); + +Duplex.prototype._destroy = function (err, cb) { + this.push(null); + this.end(); + + pna.nextTick(cb, err); +}; +},{"./_stream_readable":73,"./_stream_writable":75,"core-util-is":44,"inherits":56,"process-nextick-args":68}],72:[function(require,module,exports){ +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + +// a passthrough stream. +// basically just the most minimal sort of Transform stream. +// Every written chunk gets output as-is. + +'use strict'; + +module.exports = PassThrough; + +var Transform = require('./_stream_transform'); + +/**/ +var util = require('core-util-is'); +util.inherits = require('inherits'); +/**/ + +util.inherits(PassThrough, Transform); + +function PassThrough(options) { + if (!(this instanceof PassThrough)) return new PassThrough(options); + + Transform.call(this, options); +} + +PassThrough.prototype._transform = function (chunk, encoding, cb) { + cb(null, chunk); +}; +},{"./_stream_transform":74,"core-util-is":44,"inherits":56}],73:[function(require,module,exports){ +(function (process,global){ +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + +'use strict'; + +/**/ + +var pna = require('process-nextick-args'); +/**/ + +module.exports = Readable; + +/**/ +var isArray = require('isarray'); +/**/ + +/**/ +var Duplex; +/**/ + +Readable.ReadableState = ReadableState; + +/**/ +var EE = require('events').EventEmitter; + +var EElistenerCount = function (emitter, type) { + return emitter.listeners(type).length; +}; +/**/ + +/**/ +var Stream = require('./internal/streams/stream'); +/**/ + +/**/ + +var Buffer = require('safe-buffer').Buffer; +var OurUint8Array = global.Uint8Array || function () {}; +function _uint8ArrayToBuffer(chunk) { + return Buffer.from(chunk); +} +function _isUint8Array(obj) { + return Buffer.isBuffer(obj) || obj instanceof OurUint8Array; +} + +/**/ + +/**/ +var util = require('core-util-is'); +util.inherits = require('inherits'); +/**/ + +/**/ +var debugUtil = require('util'); +var debug = void 0; +if (debugUtil && debugUtil.debuglog) { + debug = debugUtil.debuglog('stream'); +} else { + debug = function () {}; +} +/**/ + +var BufferList = require('./internal/streams/BufferList'); +var destroyImpl = require('./internal/streams/destroy'); +var StringDecoder; + +util.inherits(Readable, Stream); + +var kProxyEvents = ['error', 'close', 'destroy', 'pause', 'resume']; + +function prependListener(emitter, event, fn) { + // Sadly this is not cacheable as some libraries bundle their own + // event emitter implementation with them. + if (typeof emitter.prependListener === 'function') return emitter.prependListener(event, fn); + + // This is a hack to make sure that our error handler is attached before any + // userland ones. NEVER DO THIS. This is here only because this code needs + // to continue to work with older versions of Node.js that do not include + // the prependListener() method. The goal is to eventually remove this hack. + if (!emitter._events || !emitter._events[event]) emitter.on(event, fn);else if (isArray(emitter._events[event])) emitter._events[event].unshift(fn);else emitter._events[event] = [fn, emitter._events[event]]; +} + +function ReadableState(options, stream) { + Duplex = Duplex || require('./_stream_duplex'); + + options = options || {}; + + // Duplex streams are both readable and writable, but share + // the same options object. + // However, some cases require setting options to different + // values for the readable and the writable sides of the duplex stream. + // These options can be provided separately as readableXXX and writableXXX. + var isDuplex = stream instanceof Duplex; + + // object stream flag. Used to make read(n) ignore n and to + // make all the buffer merging and length checks go away + this.objectMode = !!options.objectMode; + + if (isDuplex) this.objectMode = this.objectMode || !!options.readableObjectMode; + + // the point at which it stops calling _read() to fill the buffer + // Note: 0 is a valid value, means "don't call _read preemptively ever" + var hwm = options.highWaterMark; + var readableHwm = options.readableHighWaterMark; + var defaultHwm = this.objectMode ? 16 : 16 * 1024; + + if (hwm || hwm === 0) this.highWaterMark = hwm;else if (isDuplex && (readableHwm || readableHwm === 0)) this.highWaterMark = readableHwm;else this.highWaterMark = defaultHwm; + + // cast to ints. + this.highWaterMark = Math.floor(this.highWaterMark); + + // A linked list is used to store data chunks instead of an array because the + // linked list can remove elements from the beginning faster than + // array.shift() + this.buffer = new BufferList(); + this.length = 0; + this.pipes = null; + this.pipesCount = 0; + this.flowing = null; + this.ended = false; + this.endEmitted = false; + this.reading = false; + + // a flag to be able to tell if the event 'readable'/'data' is emitted + // immediately, or on a later tick. We set this to true at first, because + // any actions that shouldn't happen until "later" should generally also + // not happen before the first read call. + this.sync = true; + + // whenever we return null, then we set a flag to say + // that we're awaiting a 'readable' event emission. + this.needReadable = false; + this.emittedReadable = false; + this.readableListening = false; + this.resumeScheduled = false; + + // has it been destroyed + this.destroyed = false; + + // Crypto is kind of old and crusty. Historically, its default string + // encoding is 'binary' so we have to make this configurable. + // Everything else in the universe uses 'utf8', though. + this.defaultEncoding = options.defaultEncoding || 'utf8'; + + // the number of writers that are awaiting a drain event in .pipe()s + this.awaitDrain = 0; + + // if true, a maybeReadMore has been scheduled + this.readingMore = false; + + this.decoder = null; + this.encoding = null; + if (options.encoding) { + if (!StringDecoder) StringDecoder = require('string_decoder/').StringDecoder; + this.decoder = new StringDecoder(options.encoding); + this.encoding = options.encoding; + } +} + +function Readable(options) { + Duplex = Duplex || require('./_stream_duplex'); + + if (!(this instanceof Readable)) return new Readable(options); + + this._readableState = new ReadableState(options, this); + + // legacy + this.readable = true; + + if (options) { + if (typeof options.read === 'function') this._read = options.read; + + if (typeof options.destroy === 'function') this._destroy = options.destroy; + } + + Stream.call(this); +} + +Object.defineProperty(Readable.prototype, 'destroyed', { + get: function () { + if (this._readableState === undefined) { + return false; + } + return this._readableState.destroyed; + }, + set: function (value) { + // we ignore the value if the stream + // has not been initialized yet + if (!this._readableState) { + return; + } + + // backward compatibility, the user is explicitly + // managing destroyed + this._readableState.destroyed = value; + } +}); + +Readable.prototype.destroy = destroyImpl.destroy; +Readable.prototype._undestroy = destroyImpl.undestroy; +Readable.prototype._destroy = function (err, cb) { + this.push(null); + cb(err); +}; + +// Manually shove something into the read() buffer. +// This returns true if the highWaterMark has not been hit yet, +// similar to how Writable.write() returns true if you should +// write() some more. +Readable.prototype.push = function (chunk, encoding) { + var state = this._readableState; + var skipChunkCheck; + + if (!state.objectMode) { + if (typeof chunk === 'string') { + encoding = encoding || state.defaultEncoding; + if (encoding !== state.encoding) { + chunk = Buffer.from(chunk, encoding); + encoding = ''; + } + skipChunkCheck = true; + } + } else { + skipChunkCheck = true; + } + + return readableAddChunk(this, chunk, encoding, false, skipChunkCheck); +}; + +// Unshift should *always* be something directly out of read() +Readable.prototype.unshift = function (chunk) { + return readableAddChunk(this, chunk, null, true, false); +}; + +function readableAddChunk(stream, chunk, encoding, addToFront, skipChunkCheck) { + var state = stream._readableState; + if (chunk === null) { + state.reading = false; + onEofChunk(stream, state); + } else { + var er; + if (!skipChunkCheck) er = chunkInvalid(state, chunk); + if (er) { + stream.emit('error', er); + } else if (state.objectMode || chunk && chunk.length > 0) { + if (typeof chunk !== 'string' && !state.objectMode && Object.getPrototypeOf(chunk) !== Buffer.prototype) { + chunk = _uint8ArrayToBuffer(chunk); + } + + if (addToFront) { + if (state.endEmitted) stream.emit('error', new Error('stream.unshift() after end event'));else addChunk(stream, state, chunk, true); + } else if (state.ended) { + stream.emit('error', new Error('stream.push() after EOF')); + } else { + state.reading = false; + if (state.decoder && !encoding) { + chunk = state.decoder.write(chunk); + if (state.objectMode || chunk.length !== 0) addChunk(stream, state, chunk, false);else maybeReadMore(stream, state); + } else { + addChunk(stream, state, chunk, false); + } + } + } else if (!addToFront) { + state.reading = false; + } + } + + return needMoreData(state); +} + +function addChunk(stream, state, chunk, addToFront) { + if (state.flowing && state.length === 0 && !state.sync) { + stream.emit('data', chunk); + stream.read(0); + } else { + // update the buffer info. + state.length += state.objectMode ? 1 : chunk.length; + if (addToFront) state.buffer.unshift(chunk);else state.buffer.push(chunk); + + if (state.needReadable) emitReadable(stream); + } + maybeReadMore(stream, state); +} + +function chunkInvalid(state, chunk) { + var er; + if (!_isUint8Array(chunk) && typeof chunk !== 'string' && chunk !== undefined && !state.objectMode) { + er = new TypeError('Invalid non-string/buffer chunk'); + } + return er; +} + +// if it's past the high water mark, we can push in some more. +// Also, if we have no data yet, we can stand some +// more bytes. This is to work around cases where hwm=0, +// such as the repl. Also, if the push() triggered a +// readable event, and the user called read(largeNumber) such that +// needReadable was set, then we ought to push more, so that another +// 'readable' event will be triggered. +function needMoreData(state) { + return !state.ended && (state.needReadable || state.length < state.highWaterMark || state.length === 0); +} + +Readable.prototype.isPaused = function () { + return this._readableState.flowing === false; +}; + +// backwards compatibility. +Readable.prototype.setEncoding = function (enc) { + if (!StringDecoder) StringDecoder = require('string_decoder/').StringDecoder; + this._readableState.decoder = new StringDecoder(enc); + this._readableState.encoding = enc; + return this; +}; + +// Don't raise the hwm > 8MB +var MAX_HWM = 0x800000; +function computeNewHighWaterMark(n) { + if (n >= MAX_HWM) { + n = MAX_HWM; + } else { + // Get the next highest power of 2 to prevent increasing hwm excessively in + // tiny amounts + n--; + n |= n >>> 1; + n |= n >>> 2; + n |= n >>> 4; + n |= n >>> 8; + n |= n >>> 16; + n++; + } + return n; +} + +// This function is designed to be inlinable, so please take care when making +// changes to the function body. +function howMuchToRead(n, state) { + if (n <= 0 || state.length === 0 && state.ended) return 0; + if (state.objectMode) return 1; + if (n !== n) { + // Only flow one buffer at a time + if (state.flowing && state.length) return state.buffer.head.data.length;else return state.length; + } + // If we're asking for more than the current hwm, then raise the hwm. + if (n > state.highWaterMark) state.highWaterMark = computeNewHighWaterMark(n); + if (n <= state.length) return n; + // Don't have enough + if (!state.ended) { + state.needReadable = true; + return 0; + } + return state.length; +} + +// you can override either this method, or the async _read(n) below. +Readable.prototype.read = function (n) { + debug('read', n); + n = parseInt(n, 10); + var state = this._readableState; + var nOrig = n; + + if (n !== 0) state.emittedReadable = false; + + // if we're doing read(0) to trigger a readable event, but we + // already have a bunch of data in the buffer, then just trigger + // the 'readable' event and move on. + if (n === 0 && state.needReadable && (state.length >= state.highWaterMark || state.ended)) { + debug('read: emitReadable', state.length, state.ended); + if (state.length === 0 && state.ended) endReadable(this);else emitReadable(this); + return null; + } + + n = howMuchToRead(n, state); + + // if we've ended, and we're now clear, then finish it up. + if (n === 0 && state.ended) { + if (state.length === 0) endReadable(this); + return null; + } + + // All the actual chunk generation logic needs to be + // *below* the call to _read. The reason is that in certain + // synthetic stream cases, such as passthrough streams, _read + // may be a completely synchronous operation which may change + // the state of the read buffer, providing enough data when + // before there was *not* enough. + // + // So, the steps are: + // 1. Figure out what the state of things will be after we do + // a read from the buffer. + // + // 2. If that resulting state will trigger a _read, then call _read. + // Note that this may be asynchronous, or synchronous. Yes, it is + // deeply ugly to write APIs this way, but that still doesn't mean + // that the Readable class should behave improperly, as streams are + // designed to be sync/async agnostic. + // Take note if the _read call is sync or async (ie, if the read call + // has returned yet), so that we know whether or not it's safe to emit + // 'readable' etc. + // + // 3. Actually pull the requested chunks out of the buffer and return. + + // if we need a readable event, then we need to do some reading. + var doRead = state.needReadable; + debug('need readable', doRead); + + // if we currently have less than the highWaterMark, then also read some + if (state.length === 0 || state.length - n < state.highWaterMark) { + doRead = true; + debug('length less than watermark', doRead); + } + + // however, if we've ended, then there's no point, and if we're already + // reading, then it's unnecessary. + if (state.ended || state.reading) { + doRead = false; + debug('reading or ended', doRead); + } else if (doRead) { + debug('do read'); + state.reading = true; + state.sync = true; + // if the length is currently zero, then we *need* a readable event. + if (state.length === 0) state.needReadable = true; + // call internal read method + this._read(state.highWaterMark); + state.sync = false; + // If _read pushed data synchronously, then `reading` will be false, + // and we need to re-evaluate how much data we can return to the user. + if (!state.reading) n = howMuchToRead(nOrig, state); + } + + var ret; + if (n > 0) ret = fromList(n, state);else ret = null; + + if (ret === null) { + state.needReadable = true; + n = 0; + } else { + state.length -= n; + } + + if (state.length === 0) { + // If we have nothing in the buffer, then we want to know + // as soon as we *do* get something into the buffer. + if (!state.ended) state.needReadable = true; + + // If we tried to read() past the EOF, then emit end on the next tick. + if (nOrig !== n && state.ended) endReadable(this); + } + + if (ret !== null) this.emit('data', ret); + + return ret; +}; + +function onEofChunk(stream, state) { + if (state.ended) return; + if (state.decoder) { + var chunk = state.decoder.end(); + if (chunk && chunk.length) { + state.buffer.push(chunk); + state.length += state.objectMode ? 1 : chunk.length; + } + } + state.ended = true; + + // emit 'readable' now to make sure it gets picked up. + emitReadable(stream); +} + +// Don't emit readable right away in sync mode, because this can trigger +// another read() call => stack overflow. This way, it might trigger +// a nextTick recursion warning, but that's not so bad. +function emitReadable(stream) { + var state = stream._readableState; + state.needReadable = false; + if (!state.emittedReadable) { + debug('emitReadable', state.flowing); + state.emittedReadable = true; + if (state.sync) pna.nextTick(emitReadable_, stream);else emitReadable_(stream); + } +} + +function emitReadable_(stream) { + debug('emit readable'); + stream.emit('readable'); + flow(stream); +} + +// at this point, the user has presumably seen the 'readable' event, +// and called read() to consume some data. that may have triggered +// in turn another _read(n) call, in which case reading = true if +// it's in progress. +// However, if we're not ended, or reading, and the length < hwm, +// then go ahead and try to read some more preemptively. +function maybeReadMore(stream, state) { + if (!state.readingMore) { + state.readingMore = true; + pna.nextTick(maybeReadMore_, stream, state); + } +} + +function maybeReadMore_(stream, state) { + var len = state.length; + while (!state.reading && !state.flowing && !state.ended && state.length < state.highWaterMark) { + debug('maybeReadMore read 0'); + stream.read(0); + if (len === state.length) + // didn't get any data, stop spinning. + break;else len = state.length; + } + state.readingMore = false; +} + +// abstract method. to be overridden in specific implementation classes. +// call cb(er, data) where data is <= n in length. +// for virtual (non-string, non-buffer) streams, "length" is somewhat +// arbitrary, and perhaps not very meaningful. +Readable.prototype._read = function (n) { + this.emit('error', new Error('_read() is not implemented')); +}; + +Readable.prototype.pipe = function (dest, pipeOpts) { + var src = this; + var state = this._readableState; + + switch (state.pipesCount) { + case 0: + state.pipes = dest; + break; + case 1: + state.pipes = [state.pipes, dest]; + break; + default: + state.pipes.push(dest); + break; + } + state.pipesCount += 1; + debug('pipe count=%d opts=%j', state.pipesCount, pipeOpts); + + var doEnd = (!pipeOpts || pipeOpts.end !== false) && dest !== process.stdout && dest !== process.stderr; + + var endFn = doEnd ? onend : unpipe; + if (state.endEmitted) pna.nextTick(endFn);else src.once('end', endFn); + + dest.on('unpipe', onunpipe); + function onunpipe(readable, unpipeInfo) { + debug('onunpipe'); + if (readable === src) { + if (unpipeInfo && unpipeInfo.hasUnpiped === false) { + unpipeInfo.hasUnpiped = true; + cleanup(); + } + } + } + + function onend() { + debug('onend'); + dest.end(); + } + + // when the dest drains, it reduces the awaitDrain counter + // on the source. This would be more elegant with a .once() + // handler in flow(), but adding and removing repeatedly is + // too slow. + var ondrain = pipeOnDrain(src); + dest.on('drain', ondrain); + + var cleanedUp = false; + function cleanup() { + debug('cleanup'); + // cleanup event handlers once the pipe is broken + dest.removeListener('close', onclose); + dest.removeListener('finish', onfinish); + dest.removeListener('drain', ondrain); + dest.removeListener('error', onerror); + dest.removeListener('unpipe', onunpipe); + src.removeListener('end', onend); + src.removeListener('end', unpipe); + src.removeListener('data', ondata); + + cleanedUp = true; + + // if the reader is waiting for a drain event from this + // specific writer, then it would cause it to never start + // flowing again. + // So, if this is awaiting a drain, then we just call it now. + // If we don't know, then assume that we are waiting for one. + if (state.awaitDrain && (!dest._writableState || dest._writableState.needDrain)) ondrain(); + } + + // If the user pushes more data while we're writing to dest then we'll end up + // in ondata again. However, we only want to increase awaitDrain once because + // dest will only emit one 'drain' event for the multiple writes. + // => Introduce a guard on increasing awaitDrain. + var increasedAwaitDrain = false; + src.on('data', ondata); + function ondata(chunk) { + debug('ondata'); + increasedAwaitDrain = false; + var ret = dest.write(chunk); + if (false === ret && !increasedAwaitDrain) { + // If the user unpiped during `dest.write()`, it is possible + // to get stuck in a permanently paused state if that write + // also returned false. + // => Check whether `dest` is still a piping destination. + if ((state.pipesCount === 1 && state.pipes === dest || state.pipesCount > 1 && indexOf(state.pipes, dest) !== -1) && !cleanedUp) { + debug('false write response, pause', src._readableState.awaitDrain); + src._readableState.awaitDrain++; + increasedAwaitDrain = true; + } + src.pause(); + } + } + + // if the dest has an error, then stop piping into it. + // however, don't suppress the throwing behavior for this. + function onerror(er) { + debug('onerror', er); + unpipe(); + dest.removeListener('error', onerror); + if (EElistenerCount(dest, 'error') === 0) dest.emit('error', er); + } + + // Make sure our error handler is attached before userland ones. + prependListener(dest, 'error', onerror); + + // Both close and finish should trigger unpipe, but only once. + function onclose() { + dest.removeListener('finish', onfinish); + unpipe(); + } + dest.once('close', onclose); + function onfinish() { + debug('onfinish'); + dest.removeListener('close', onclose); + unpipe(); + } + dest.once('finish', onfinish); + + function unpipe() { + debug('unpipe'); + src.unpipe(dest); + } + + // tell the dest that it's being piped to + dest.emit('pipe', src); + + // start the flow if it hasn't been started already. + if (!state.flowing) { + debug('pipe resume'); + src.resume(); + } + + return dest; +}; + +function pipeOnDrain(src) { + return function () { + var state = src._readableState; + debug('pipeOnDrain', state.awaitDrain); + if (state.awaitDrain) state.awaitDrain--; + if (state.awaitDrain === 0 && EElistenerCount(src, 'data')) { + state.flowing = true; + flow(src); + } + }; +} + +Readable.prototype.unpipe = function (dest) { + var state = this._readableState; + var unpipeInfo = { hasUnpiped: false }; + + // if we're not piping anywhere, then do nothing. + if (state.pipesCount === 0) return this; + + // just one destination. most common case. + if (state.pipesCount === 1) { + // passed in one, but it's not the right one. + if (dest && dest !== state.pipes) return this; + + if (!dest) dest = state.pipes; + + // got a match. + state.pipes = null; + state.pipesCount = 0; + state.flowing = false; + if (dest) dest.emit('unpipe', this, unpipeInfo); + return this; + } + + // slow case. multiple pipe destinations. + + if (!dest) { + // remove all. + var dests = state.pipes; + var len = state.pipesCount; + state.pipes = null; + state.pipesCount = 0; + state.flowing = false; + + for (var i = 0; i < len; i++) { + dests[i].emit('unpipe', this, unpipeInfo); + }return this; + } + + // try to find the right one. + var index = indexOf(state.pipes, dest); + if (index === -1) return this; + + state.pipes.splice(index, 1); + state.pipesCount -= 1; + if (state.pipesCount === 1) state.pipes = state.pipes[0]; + + dest.emit('unpipe', this, unpipeInfo); + + return this; +}; + +// set up data events if they are asked for +// Ensure readable listeners eventually get something +Readable.prototype.on = function (ev, fn) { + var res = Stream.prototype.on.call(this, ev, fn); + + if (ev === 'data') { + // Start flowing on next tick if stream isn't explicitly paused + if (this._readableState.flowing !== false) this.resume(); + } else if (ev === 'readable') { + var state = this._readableState; + if (!state.endEmitted && !state.readableListening) { + state.readableListening = state.needReadable = true; + state.emittedReadable = false; + if (!state.reading) { + pna.nextTick(nReadingNextTick, this); + } else if (state.length) { + emitReadable(this); + } + } + } + + return res; +}; +Readable.prototype.addListener = Readable.prototype.on; + +function nReadingNextTick(self) { + debug('readable nexttick read 0'); + self.read(0); +} + +// pause() and resume() are remnants of the legacy readable stream API +// If the user uses them, then switch into old mode. +Readable.prototype.resume = function () { + var state = this._readableState; + if (!state.flowing) { + debug('resume'); + state.flowing = true; + resume(this, state); + } + return this; +}; + +function resume(stream, state) { + if (!state.resumeScheduled) { + state.resumeScheduled = true; + pna.nextTick(resume_, stream, state); + } +} + +function resume_(stream, state) { + if (!state.reading) { + debug('resume read 0'); + stream.read(0); + } + + state.resumeScheduled = false; + state.awaitDrain = 0; + stream.emit('resume'); + flow(stream); + if (state.flowing && !state.reading) stream.read(0); +} + +Readable.prototype.pause = function () { + debug('call pause flowing=%j', this._readableState.flowing); + if (false !== this._readableState.flowing) { + debug('pause'); + this._readableState.flowing = false; + this.emit('pause'); + } + return this; +}; + +function flow(stream) { + var state = stream._readableState; + debug('flow', state.flowing); + while (state.flowing && stream.read() !== null) {} +} + +// wrap an old-style stream as the async data source. +// This is *not* part of the readable stream interface. +// It is an ugly unfortunate mess of history. +Readable.prototype.wrap = function (stream) { + var _this = this; + + var state = this._readableState; + var paused = false; + + stream.on('end', function () { + debug('wrapped end'); + if (state.decoder && !state.ended) { + var chunk = state.decoder.end(); + if (chunk && chunk.length) _this.push(chunk); + } + + _this.push(null); + }); + + stream.on('data', function (chunk) { + debug('wrapped data'); + if (state.decoder) chunk = state.decoder.write(chunk); + + // don't skip over falsy values in objectMode + if (state.objectMode && (chunk === null || chunk === undefined)) return;else if (!state.objectMode && (!chunk || !chunk.length)) return; + + var ret = _this.push(chunk); + if (!ret) { + paused = true; + stream.pause(); + } + }); + + // proxy all the other methods. + // important when wrapping filters and duplexes. + for (var i in stream) { + if (this[i] === undefined && typeof stream[i] === 'function') { + this[i] = function (method) { + return function () { + return stream[method].apply(stream, arguments); + }; + }(i); + } + } + + // proxy certain important events. + for (var n = 0; n < kProxyEvents.length; n++) { + stream.on(kProxyEvents[n], this.emit.bind(this, kProxyEvents[n])); + } + + // when we try to consume some more bytes, simply unpause the + // underlying stream. + this._read = function (n) { + debug('wrapped _read', n); + if (paused) { + paused = false; + stream.resume(); + } + }; + + return this; +}; + +Object.defineProperty(Readable.prototype, 'readableHighWaterMark', { + // making it explicit this property is not enumerable + // because otherwise some prototype manipulation in + // userland will fail + enumerable: false, + get: function () { + return this._readableState.highWaterMark; + } +}); + +// exposed for testing purposes only. +Readable._fromList = fromList; + +// Pluck off n bytes from an array of buffers. +// Length is the combined lengths of all the buffers in the list. +// This function is designed to be inlinable, so please take care when making +// changes to the function body. +function fromList(n, state) { + // nothing buffered + if (state.length === 0) return null; + + var ret; + if (state.objectMode) ret = state.buffer.shift();else if (!n || n >= state.length) { + // read it all, truncate the list + if (state.decoder) ret = state.buffer.join('');else if (state.buffer.length === 1) ret = state.buffer.head.data;else ret = state.buffer.concat(state.length); + state.buffer.clear(); + } else { + // read part of list + ret = fromListPartial(n, state.buffer, state.decoder); + } + + return ret; +} + +// Extracts only enough buffered data to satisfy the amount requested. +// This function is designed to be inlinable, so please take care when making +// changes to the function body. +function fromListPartial(n, list, hasStrings) { + var ret; + if (n < list.head.data.length) { + // slice is the same for buffers and strings + ret = list.head.data.slice(0, n); + list.head.data = list.head.data.slice(n); + } else if (n === list.head.data.length) { + // first chunk is a perfect match + ret = list.shift(); + } else { + // result spans more than one buffer + ret = hasStrings ? copyFromBufferString(n, list) : copyFromBuffer(n, list); + } + return ret; +} + +// Copies a specified amount of characters from the list of buffered data +// chunks. +// This function is designed to be inlinable, so please take care when making +// changes to the function body. +function copyFromBufferString(n, list) { + var p = list.head; + var c = 1; + var ret = p.data; + n -= ret.length; + while (p = p.next) { + var str = p.data; + var nb = n > str.length ? str.length : n; + if (nb === str.length) ret += str;else ret += str.slice(0, n); + n -= nb; + if (n === 0) { + if (nb === str.length) { + ++c; + if (p.next) list.head = p.next;else list.head = list.tail = null; + } else { + list.head = p; + p.data = str.slice(nb); + } + break; + } + ++c; + } + list.length -= c; + return ret; +} + +// Copies a specified amount of bytes from the list of buffered data chunks. +// This function is designed to be inlinable, so please take care when making +// changes to the function body. +function copyFromBuffer(n, list) { + var ret = Buffer.allocUnsafe(n); + var p = list.head; + var c = 1; + p.data.copy(ret); + n -= p.data.length; + while (p = p.next) { + var buf = p.data; + var nb = n > buf.length ? buf.length : n; + buf.copy(ret, ret.length - n, 0, nb); + n -= nb; + if (n === 0) { + if (nb === buf.length) { + ++c; + if (p.next) list.head = p.next;else list.head = list.tail = null; + } else { + list.head = p; + p.data = buf.slice(nb); + } + break; + } + ++c; + } + list.length -= c; + return ret; +} + +function endReadable(stream) { + var state = stream._readableState; + + // If we get here before consuming all the bytes, then that is a + // bug in node. Should never happen. + if (state.length > 0) throw new Error('"endReadable()" called on non-empty stream'); + + if (!state.endEmitted) { + state.ended = true; + pna.nextTick(endReadableNT, state, stream); + } +} + +function endReadableNT(state, stream) { + // Check that we didn't get one last unshift. + if (!state.endEmitted && state.length === 0) { + state.endEmitted = true; + stream.readable = false; + stream.emit('end'); + } +} + +function indexOf(xs, x) { + for (var i = 0, l = xs.length; i < l; i++) { + if (xs[i] === x) return i; + } + return -1; +} +}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) +},{"./_stream_duplex":71,"./internal/streams/BufferList":76,"./internal/streams/destroy":77,"./internal/streams/stream":78,"_process":69,"core-util-is":44,"events":50,"inherits":56,"isarray":58,"process-nextick-args":68,"safe-buffer":83,"string_decoder/":85,"util":40}],74:[function(require,module,exports){ +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + +// a transform stream is a readable/writable stream where you do +// something with the data. Sometimes it's called a "filter", +// but that's not a great name for it, since that implies a thing where +// some bits pass through, and others are simply ignored. (That would +// be a valid example of a transform, of course.) +// +// While the output is causally related to the input, it's not a +// necessarily symmetric or synchronous transformation. For example, +// a zlib stream might take multiple plain-text writes(), and then +// emit a single compressed chunk some time in the future. +// +// Here's how this works: +// +// The Transform stream has all the aspects of the readable and writable +// stream classes. When you write(chunk), that calls _write(chunk,cb) +// internally, and returns false if there's a lot of pending writes +// buffered up. When you call read(), that calls _read(n) until +// there's enough pending readable data buffered up. +// +// In a transform stream, the written data is placed in a buffer. When +// _read(n) is called, it transforms the queued up data, calling the +// buffered _write cb's as it consumes chunks. If consuming a single +// written chunk would result in multiple output chunks, then the first +// outputted bit calls the readcb, and subsequent chunks just go into +// the read buffer, and will cause it to emit 'readable' if necessary. +// +// This way, back-pressure is actually determined by the reading side, +// since _read has to be called to start processing a new chunk. However, +// a pathological inflate type of transform can cause excessive buffering +// here. For example, imagine a stream where every byte of input is +// interpreted as an integer from 0-255, and then results in that many +// bytes of output. Writing the 4 bytes {ff,ff,ff,ff} would result in +// 1kb of data being output. In this case, you could write a very small +// amount of input, and end up with a very large amount of output. In +// such a pathological inflating mechanism, there'd be no way to tell +// the system to stop doing the transform. A single 4MB write could +// cause the system to run out of memory. +// +// However, even in such a pathological case, only a single written chunk +// would be consumed, and then the rest would wait (un-transformed) until +// the results of the previous transformed chunk were consumed. + +'use strict'; + +module.exports = Transform; + +var Duplex = require('./_stream_duplex'); + +/**/ +var util = require('core-util-is'); +util.inherits = require('inherits'); +/**/ + +util.inherits(Transform, Duplex); + +function afterTransform(er, data) { + var ts = this._transformState; + ts.transforming = false; + + var cb = ts.writecb; + + if (!cb) { + return this.emit('error', new Error('write callback called multiple times')); + } + + ts.writechunk = null; + ts.writecb = null; + + if (data != null) // single equals check for both `null` and `undefined` + this.push(data); + + cb(er); + + var rs = this._readableState; + rs.reading = false; + if (rs.needReadable || rs.length < rs.highWaterMark) { + this._read(rs.highWaterMark); + } +} + +function Transform(options) { + if (!(this instanceof Transform)) return new Transform(options); + + Duplex.call(this, options); + + this._transformState = { + afterTransform: afterTransform.bind(this), + needTransform: false, + transforming: false, + writecb: null, + writechunk: null, + writeencoding: null + }; + + // start out asking for a readable event once data is transformed. + this._readableState.needReadable = true; + + // we have implemented the _read method, and done the other things + // that Readable wants before the first _read call, so unset the + // sync guard flag. + this._readableState.sync = false; + + if (options) { + if (typeof options.transform === 'function') this._transform = options.transform; + + if (typeof options.flush === 'function') this._flush = options.flush; + } + + // When the writable side finishes, then flush out anything remaining. + this.on('prefinish', prefinish); +} + +function prefinish() { + var _this = this; + + if (typeof this._flush === 'function') { + this._flush(function (er, data) { + done(_this, er, data); + }); + } else { + done(this, null, null); + } +} + +Transform.prototype.push = function (chunk, encoding) { + this._transformState.needTransform = false; + return Duplex.prototype.push.call(this, chunk, encoding); +}; + +// This is the part where you do stuff! +// override this function in implementation classes. +// 'chunk' is an input chunk. +// +// Call `push(newChunk)` to pass along transformed output +// to the readable side. You may call 'push' zero or more times. +// +// Call `cb(err)` when you are done with this chunk. If you pass +// an error, then that'll put the hurt on the whole operation. If you +// never call cb(), then you'll never get another chunk. +Transform.prototype._transform = function (chunk, encoding, cb) { + throw new Error('_transform() is not implemented'); +}; + +Transform.prototype._write = function (chunk, encoding, cb) { + var ts = this._transformState; + ts.writecb = cb; + ts.writechunk = chunk; + ts.writeencoding = encoding; + if (!ts.transforming) { + var rs = this._readableState; + if (ts.needTransform || rs.needReadable || rs.length < rs.highWaterMark) this._read(rs.highWaterMark); + } +}; + +// Doesn't matter what the args are here. +// _transform does all the work. +// That we got here means that the readable side wants more data. +Transform.prototype._read = function (n) { + var ts = this._transformState; + + if (ts.writechunk !== null && ts.writecb && !ts.transforming) { + ts.transforming = true; + this._transform(ts.writechunk, ts.writeencoding, ts.afterTransform); + } else { + // mark that we need a transform, so that any data that comes in + // will get processed, now that we've asked for it. + ts.needTransform = true; + } +}; + +Transform.prototype._destroy = function (err, cb) { + var _this2 = this; + + Duplex.prototype._destroy.call(this, err, function (err2) { + cb(err2); + _this2.emit('close'); + }); +}; + +function done(stream, er, data) { + if (er) return stream.emit('error', er); + + if (data != null) // single equals check for both `null` and `undefined` + stream.push(data); + + // if there's nothing in the write buffer, then that means + // that nothing more will ever be provided + if (stream._writableState.length) throw new Error('Calling transform done when ws.length != 0'); + + if (stream._transformState.transforming) throw new Error('Calling transform done when still transforming'); + + return stream.push(null); +} +},{"./_stream_duplex":71,"core-util-is":44,"inherits":56}],75:[function(require,module,exports){ +(function (process,global,setImmediate){ +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + +// A bit simpler than readable streams. +// Implement an async ._write(chunk, encoding, cb), and it'll handle all +// the drain event emission and buffering. + +'use strict'; + +/**/ + +var pna = require('process-nextick-args'); +/**/ + +module.exports = Writable; + +/* */ +function WriteReq(chunk, encoding, cb) { + this.chunk = chunk; + this.encoding = encoding; + this.callback = cb; + this.next = null; +} + +// It seems a linked list but it is not +// there will be only 2 of these for each stream +function CorkedRequest(state) { + var _this = this; + + this.next = null; + this.entry = null; + this.finish = function () { + onCorkedFinish(_this, state); + }; +} +/* */ + +/**/ +var asyncWrite = !process.browser && ['v0.10', 'v0.9.'].indexOf(process.version.slice(0, 5)) > -1 ? setImmediate : pna.nextTick; +/**/ + +/**/ +var Duplex; +/**/ + +Writable.WritableState = WritableState; + +/**/ +var util = require('core-util-is'); +util.inherits = require('inherits'); +/**/ + +/**/ +var internalUtil = { + deprecate: require('util-deprecate') +}; +/**/ + +/**/ +var Stream = require('./internal/streams/stream'); +/**/ + +/**/ + +var Buffer = require('safe-buffer').Buffer; +var OurUint8Array = global.Uint8Array || function () {}; +function _uint8ArrayToBuffer(chunk) { + return Buffer.from(chunk); +} +function _isUint8Array(obj) { + return Buffer.isBuffer(obj) || obj instanceof OurUint8Array; +} + +/**/ + +var destroyImpl = require('./internal/streams/destroy'); + +util.inherits(Writable, Stream); + +function nop() {} + +function WritableState(options, stream) { + Duplex = Duplex || require('./_stream_duplex'); + + options = options || {}; + + // Duplex streams are both readable and writable, but share + // the same options object. + // However, some cases require setting options to different + // values for the readable and the writable sides of the duplex stream. + // These options can be provided separately as readableXXX and writableXXX. + var isDuplex = stream instanceof Duplex; + + // object stream flag to indicate whether or not this stream + // contains buffers or objects. + this.objectMode = !!options.objectMode; + + if (isDuplex) this.objectMode = this.objectMode || !!options.writableObjectMode; + + // the point at which write() starts returning false + // Note: 0 is a valid value, means that we always return false if + // the entire buffer is not flushed immediately on write() + var hwm = options.highWaterMark; + var writableHwm = options.writableHighWaterMark; + var defaultHwm = this.objectMode ? 16 : 16 * 1024; + + if (hwm || hwm === 0) this.highWaterMark = hwm;else if (isDuplex && (writableHwm || writableHwm === 0)) this.highWaterMark = writableHwm;else this.highWaterMark = defaultHwm; + + // cast to ints. + this.highWaterMark = Math.floor(this.highWaterMark); + + // if _final has been called + this.finalCalled = false; + + // drain event flag. + this.needDrain = false; + // at the start of calling end() + this.ending = false; + // when end() has been called, and returned + this.ended = false; + // when 'finish' is emitted + this.finished = false; + + // has it been destroyed + this.destroyed = false; + + // should we decode strings into buffers before passing to _write? + // this is here so that some node-core streams can optimize string + // handling at a lower level. + var noDecode = options.decodeStrings === false; + this.decodeStrings = !noDecode; + + // Crypto is kind of old and crusty. Historically, its default string + // encoding is 'binary' so we have to make this configurable. + // Everything else in the universe uses 'utf8', though. + this.defaultEncoding = options.defaultEncoding || 'utf8'; + + // not an actual buffer we keep track of, but a measurement + // of how much we're waiting to get pushed to some underlying + // socket or file. + this.length = 0; + + // a flag to see when we're in the middle of a write. + this.writing = false; + + // when true all writes will be buffered until .uncork() call + this.corked = 0; + + // a flag to be able to tell if the onwrite cb is called immediately, + // or on a later tick. We set this to true at first, because any + // actions that shouldn't happen until "later" should generally also + // not happen before the first write call. + this.sync = true; + + // a flag to know if we're processing previously buffered items, which + // may call the _write() callback in the same tick, so that we don't + // end up in an overlapped onwrite situation. + this.bufferProcessing = false; + + // the callback that's passed to _write(chunk,cb) + this.onwrite = function (er) { + onwrite(stream, er); + }; + + // the callback that the user supplies to write(chunk,encoding,cb) + this.writecb = null; + + // the amount that is being written when _write is called. + this.writelen = 0; + + this.bufferedRequest = null; + this.lastBufferedRequest = null; + + // number of pending user-supplied write callbacks + // this must be 0 before 'finish' can be emitted + this.pendingcb = 0; + + // emit prefinish if the only thing we're waiting for is _write cbs + // This is relevant for synchronous Transform streams + this.prefinished = false; + + // True if the error was already emitted and should not be thrown again + this.errorEmitted = false; + + // count buffered requests + this.bufferedRequestCount = 0; + + // allocate the first CorkedRequest, there is always + // one allocated and free to use, and we maintain at most two + this.corkedRequestsFree = new CorkedRequest(this); +} + +WritableState.prototype.getBuffer = function getBuffer() { + var current = this.bufferedRequest; + var out = []; + while (current) { + out.push(current); + current = current.next; + } + return out; +}; + +(function () { + try { + Object.defineProperty(WritableState.prototype, 'buffer', { + get: internalUtil.deprecate(function () { + return this.getBuffer(); + }, '_writableState.buffer is deprecated. Use _writableState.getBuffer ' + 'instead.', 'DEP0003') + }); + } catch (_) {} +})(); + +// Test _writableState for inheritance to account for Duplex streams, +// whose prototype chain only points to Readable. +var realHasInstance; +if (typeof Symbol === 'function' && Symbol.hasInstance && typeof Function.prototype[Symbol.hasInstance] === 'function') { + realHasInstance = Function.prototype[Symbol.hasInstance]; + Object.defineProperty(Writable, Symbol.hasInstance, { + value: function (object) { + if (realHasInstance.call(this, object)) return true; + if (this !== Writable) return false; + + return object && object._writableState instanceof WritableState; + } + }); +} else { + realHasInstance = function (object) { + return object instanceof this; + }; +} + +function Writable(options) { + Duplex = Duplex || require('./_stream_duplex'); + + // Writable ctor is applied to Duplexes, too. + // `realHasInstance` is necessary because using plain `instanceof` + // would return false, as no `_writableState` property is attached. + + // Trying to use the custom `instanceof` for Writable here will also break the + // Node.js LazyTransform implementation, which has a non-trivial getter for + // `_writableState` that would lead to infinite recursion. + if (!realHasInstance.call(Writable, this) && !(this instanceof Duplex)) { + return new Writable(options); + } + + this._writableState = new WritableState(options, this); + + // legacy. + this.writable = true; + + if (options) { + if (typeof options.write === 'function') this._write = options.write; + + if (typeof options.writev === 'function') this._writev = options.writev; + + if (typeof options.destroy === 'function') this._destroy = options.destroy; + + if (typeof options.final === 'function') this._final = options.final; + } + + Stream.call(this); +} + +// Otherwise people can pipe Writable streams, which is just wrong. +Writable.prototype.pipe = function () { + this.emit('error', new Error('Cannot pipe, not readable')); +}; + +function writeAfterEnd(stream, cb) { + var er = new Error('write after end'); + // TODO: defer error events consistently everywhere, not just the cb + stream.emit('error', er); + pna.nextTick(cb, er); +} + +// Checks that a user-supplied chunk is valid, especially for the particular +// mode the stream is in. Currently this means that `null` is never accepted +// and undefined/non-string values are only allowed in object mode. +function validChunk(stream, state, chunk, cb) { + var valid = true; + var er = false; + + if (chunk === null) { + er = new TypeError('May not write null values to stream'); + } else if (typeof chunk !== 'string' && chunk !== undefined && !state.objectMode) { + er = new TypeError('Invalid non-string/buffer chunk'); + } + if (er) { + stream.emit('error', er); + pna.nextTick(cb, er); + valid = false; + } + return valid; +} + +Writable.prototype.write = function (chunk, encoding, cb) { + var state = this._writableState; + var ret = false; + var isBuf = !state.objectMode && _isUint8Array(chunk); + + if (isBuf && !Buffer.isBuffer(chunk)) { + chunk = _uint8ArrayToBuffer(chunk); + } + + if (typeof encoding === 'function') { + cb = encoding; + encoding = null; + } + + if (isBuf) encoding = 'buffer';else if (!encoding) encoding = state.defaultEncoding; + + if (typeof cb !== 'function') cb = nop; + + if (state.ended) writeAfterEnd(this, cb);else if (isBuf || validChunk(this, state, chunk, cb)) { + state.pendingcb++; + ret = writeOrBuffer(this, state, isBuf, chunk, encoding, cb); + } + + return ret; +}; + +Writable.prototype.cork = function () { + var state = this._writableState; + + state.corked++; +}; + +Writable.prototype.uncork = function () { + var state = this._writableState; + + if (state.corked) { + state.corked--; + + if (!state.writing && !state.corked && !state.finished && !state.bufferProcessing && state.bufferedRequest) clearBuffer(this, state); + } +}; + +Writable.prototype.setDefaultEncoding = function setDefaultEncoding(encoding) { + // node::ParseEncoding() requires lower case. + if (typeof encoding === 'string') encoding = encoding.toLowerCase(); + if (!(['hex', 'utf8', 'utf-8', 'ascii', 'binary', 'base64', 'ucs2', 'ucs-2', 'utf16le', 'utf-16le', 'raw'].indexOf((encoding + '').toLowerCase()) > -1)) throw new TypeError('Unknown encoding: ' + encoding); + this._writableState.defaultEncoding = encoding; + return this; +}; + +function decodeChunk(state, chunk, encoding) { + if (!state.objectMode && state.decodeStrings !== false && typeof chunk === 'string') { + chunk = Buffer.from(chunk, encoding); + } + return chunk; +} + +Object.defineProperty(Writable.prototype, 'writableHighWaterMark', { + // making it explicit this property is not enumerable + // because otherwise some prototype manipulation in + // userland will fail + enumerable: false, + get: function () { + return this._writableState.highWaterMark; + } +}); + +// if we're already writing something, then just put this +// in the queue, and wait our turn. Otherwise, call _write +// If we return false, then we need a drain event, so set that flag. +function writeOrBuffer(stream, state, isBuf, chunk, encoding, cb) { + if (!isBuf) { + var newChunk = decodeChunk(state, chunk, encoding); + if (chunk !== newChunk) { + isBuf = true; + encoding = 'buffer'; + chunk = newChunk; + } + } + var len = state.objectMode ? 1 : chunk.length; + + state.length += len; + + var ret = state.length < state.highWaterMark; + // we must ensure that previous needDrain will not be reset to false. + if (!ret) state.needDrain = true; + + if (state.writing || state.corked) { + var last = state.lastBufferedRequest; + state.lastBufferedRequest = { + chunk: chunk, + encoding: encoding, + isBuf: isBuf, + callback: cb, + next: null + }; + if (last) { + last.next = state.lastBufferedRequest; + } else { + state.bufferedRequest = state.lastBufferedRequest; + } + state.bufferedRequestCount += 1; + } else { + doWrite(stream, state, false, len, chunk, encoding, cb); + } + + return ret; +} + +function doWrite(stream, state, writev, len, chunk, encoding, cb) { + state.writelen = len; + state.writecb = cb; + state.writing = true; + state.sync = true; + if (writev) stream._writev(chunk, state.onwrite);else stream._write(chunk, encoding, state.onwrite); + state.sync = false; +} + +function onwriteError(stream, state, sync, er, cb) { + --state.pendingcb; + + if (sync) { + // defer the callback if we are being called synchronously + // to avoid piling up things on the stack + pna.nextTick(cb, er); + // this can emit finish, and it will always happen + // after error + pna.nextTick(finishMaybe, stream, state); + stream._writableState.errorEmitted = true; + stream.emit('error', er); + } else { + // the caller expect this to happen before if + // it is async + cb(er); + stream._writableState.errorEmitted = true; + stream.emit('error', er); + // this can emit finish, but finish must + // always follow error + finishMaybe(stream, state); + } +} + +function onwriteStateUpdate(state) { + state.writing = false; + state.writecb = null; + state.length -= state.writelen; + state.writelen = 0; +} + +function onwrite(stream, er) { + var state = stream._writableState; + var sync = state.sync; + var cb = state.writecb; + + onwriteStateUpdate(state); + + if (er) onwriteError(stream, state, sync, er, cb);else { + // Check if we're actually ready to finish, but don't emit yet + var finished = needFinish(state); + + if (!finished && !state.corked && !state.bufferProcessing && state.bufferedRequest) { + clearBuffer(stream, state); + } + + if (sync) { + /**/ + asyncWrite(afterWrite, stream, state, finished, cb); + /**/ + } else { + afterWrite(stream, state, finished, cb); + } + } +} + +function afterWrite(stream, state, finished, cb) { + if (!finished) onwriteDrain(stream, state); + state.pendingcb--; + cb(); + finishMaybe(stream, state); +} + +// Must force callback to be called on nextTick, so that we don't +// emit 'drain' before the write() consumer gets the 'false' return +// value, and has a chance to attach a 'drain' listener. +function onwriteDrain(stream, state) { + if (state.length === 0 && state.needDrain) { + state.needDrain = false; + stream.emit('drain'); + } +} + +// if there's something in the buffer waiting, then process it +function clearBuffer(stream, state) { + state.bufferProcessing = true; + var entry = state.bufferedRequest; + + if (stream._writev && entry && entry.next) { + // Fast case, write everything using _writev() + var l = state.bufferedRequestCount; + var buffer = new Array(l); + var holder = state.corkedRequestsFree; + holder.entry = entry; + + var count = 0; + var allBuffers = true; + while (entry) { + buffer[count] = entry; + if (!entry.isBuf) allBuffers = false; + entry = entry.next; + count += 1; + } + buffer.allBuffers = allBuffers; + + doWrite(stream, state, true, state.length, buffer, '', holder.finish); + + // doWrite is almost always async, defer these to save a bit of time + // as the hot path ends with doWrite + state.pendingcb++; + state.lastBufferedRequest = null; + if (holder.next) { + state.corkedRequestsFree = holder.next; + holder.next = null; + } else { + state.corkedRequestsFree = new CorkedRequest(state); + } + state.bufferedRequestCount = 0; + } else { + // Slow case, write chunks one-by-one + while (entry) { + var chunk = entry.chunk; + var encoding = entry.encoding; + var cb = entry.callback; + var len = state.objectMode ? 1 : chunk.length; + + doWrite(stream, state, false, len, chunk, encoding, cb); + entry = entry.next; + state.bufferedRequestCount--; + // if we didn't call the onwrite immediately, then + // it means that we need to wait until it does. + // also, that means that the chunk and cb are currently + // being processed, so move the buffer counter past them. + if (state.writing) { + break; + } + } + + if (entry === null) state.lastBufferedRequest = null; + } + + state.bufferedRequest = entry; + state.bufferProcessing = false; +} + +Writable.prototype._write = function (chunk, encoding, cb) { + cb(new Error('_write() is not implemented')); +}; + +Writable.prototype._writev = null; + +Writable.prototype.end = function (chunk, encoding, cb) { + var state = this._writableState; + + if (typeof chunk === 'function') { + cb = chunk; + chunk = null; + encoding = null; + } else if (typeof encoding === 'function') { + cb = encoding; + encoding = null; + } + + if (chunk !== null && chunk !== undefined) this.write(chunk, encoding); + + // .end() fully uncorks + if (state.corked) { + state.corked = 1; + this.uncork(); + } + + // ignore unnecessary end() calls. + if (!state.ending && !state.finished) endWritable(this, state, cb); +}; + +function needFinish(state) { + return state.ending && state.length === 0 && state.bufferedRequest === null && !state.finished && !state.writing; +} +function callFinal(stream, state) { + stream._final(function (err) { + state.pendingcb--; + if (err) { + stream.emit('error', err); + } + state.prefinished = true; + stream.emit('prefinish'); + finishMaybe(stream, state); + }); +} +function prefinish(stream, state) { + if (!state.prefinished && !state.finalCalled) { + if (typeof stream._final === 'function') { + state.pendingcb++; + state.finalCalled = true; + pna.nextTick(callFinal, stream, state); + } else { + state.prefinished = true; + stream.emit('prefinish'); + } + } +} + +function finishMaybe(stream, state) { + var need = needFinish(state); + if (need) { + prefinish(stream, state); + if (state.pendingcb === 0) { + state.finished = true; + stream.emit('finish'); + } + } + return need; +} + +function endWritable(stream, state, cb) { + state.ending = true; + finishMaybe(stream, state); + if (cb) { + if (state.finished) pna.nextTick(cb);else stream.once('finish', cb); + } + state.ended = true; + stream.writable = false; +} + +function onCorkedFinish(corkReq, state, err) { + var entry = corkReq.entry; + corkReq.entry = null; + while (entry) { + var cb = entry.callback; + state.pendingcb--; + cb(err); + entry = entry.next; + } + if (state.corkedRequestsFree) { + state.corkedRequestsFree.next = corkReq; + } else { + state.corkedRequestsFree = corkReq; + } +} + +Object.defineProperty(Writable.prototype, 'destroyed', { + get: function () { + if (this._writableState === undefined) { + return false; + } + return this._writableState.destroyed; + }, + set: function (value) { + // we ignore the value if the stream + // has not been initialized yet + if (!this._writableState) { + return; + } + + // backward compatibility, the user is explicitly + // managing destroyed + this._writableState.destroyed = value; + } +}); + +Writable.prototype.destroy = destroyImpl.destroy; +Writable.prototype._undestroy = destroyImpl.undestroy; +Writable.prototype._destroy = function (err, cb) { + this.end(); + cb(err); +}; +}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {},require("timers").setImmediate) +},{"./_stream_duplex":71,"./internal/streams/destroy":77,"./internal/streams/stream":78,"_process":69,"core-util-is":44,"inherits":56,"process-nextick-args":68,"safe-buffer":83,"timers":86,"util-deprecate":87}],76:[function(require,module,exports){ +'use strict'; + +function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + +var Buffer = require('safe-buffer').Buffer; +var util = require('util'); + +function copyBuffer(src, target, offset) { + src.copy(target, offset); +} + +module.exports = function () { + function BufferList() { + _classCallCheck(this, BufferList); + + this.head = null; + this.tail = null; + this.length = 0; + } + + BufferList.prototype.push = function push(v) { + var entry = { data: v, next: null }; + if (this.length > 0) this.tail.next = entry;else this.head = entry; + this.tail = entry; + ++this.length; + }; + + BufferList.prototype.unshift = function unshift(v) { + var entry = { data: v, next: this.head }; + if (this.length === 0) this.tail = entry; + this.head = entry; + ++this.length; + }; + + BufferList.prototype.shift = function shift() { + if (this.length === 0) return; + var ret = this.head.data; + if (this.length === 1) this.head = this.tail = null;else this.head = this.head.next; + --this.length; + return ret; + }; + + BufferList.prototype.clear = function clear() { + this.head = this.tail = null; + this.length = 0; + }; + + BufferList.prototype.join = function join(s) { + if (this.length === 0) return ''; + var p = this.head; + var ret = '' + p.data; + while (p = p.next) { + ret += s + p.data; + }return ret; + }; + + BufferList.prototype.concat = function concat(n) { + if (this.length === 0) return Buffer.alloc(0); + if (this.length === 1) return this.head.data; + var ret = Buffer.allocUnsafe(n >>> 0); + var p = this.head; + var i = 0; + while (p) { + copyBuffer(p.data, ret, i); + i += p.data.length; + p = p.next; + } + return ret; + }; + + return BufferList; +}(); + +if (util && util.inspect && util.inspect.custom) { + module.exports.prototype[util.inspect.custom] = function () { + var obj = util.inspect({ length: this.length }); + return this.constructor.name + ' ' + obj; + }; +} +},{"safe-buffer":83,"util":40}],77:[function(require,module,exports){ +'use strict'; + +/**/ + +var pna = require('process-nextick-args'); +/**/ + +// undocumented cb() API, needed for core, not for public API +function destroy(err, cb) { + var _this = this; + + var readableDestroyed = this._readableState && this._readableState.destroyed; + var writableDestroyed = this._writableState && this._writableState.destroyed; + + if (readableDestroyed || writableDestroyed) { + if (cb) { + cb(err); + } else if (err && (!this._writableState || !this._writableState.errorEmitted)) { + pna.nextTick(emitErrorNT, this, err); + } + return this; + } + + // we set destroyed to true before firing error callbacks in order + // to make it re-entrance safe in case destroy() is called within callbacks + + if (this._readableState) { + this._readableState.destroyed = true; + } + + // if this is a duplex stream mark the writable part as destroyed as well + if (this._writableState) { + this._writableState.destroyed = true; + } + + this._destroy(err || null, function (err) { + if (!cb && err) { + pna.nextTick(emitErrorNT, _this, err); + if (_this._writableState) { + _this._writableState.errorEmitted = true; + } + } else if (cb) { + cb(err); + } + }); + + return this; +} + +function undestroy() { + if (this._readableState) { + this._readableState.destroyed = false; + this._readableState.reading = false; + this._readableState.ended = false; + this._readableState.endEmitted = false; + } + + if (this._writableState) { + this._writableState.destroyed = false; + this._writableState.ended = false; + this._writableState.ending = false; + this._writableState.finished = false; + this._writableState.errorEmitted = false; + } +} + +function emitErrorNT(self, err) { + self.emit('error', err); +} + +module.exports = { + destroy: destroy, + undestroy: undestroy +}; +},{"process-nextick-args":68}],78:[function(require,module,exports){ +module.exports = require('events').EventEmitter; + +},{"events":50}],79:[function(require,module,exports){ +module.exports = require('./readable').PassThrough + +},{"./readable":80}],80:[function(require,module,exports){ +exports = module.exports = require('./lib/_stream_readable.js'); +exports.Stream = exports; +exports.Readable = exports; +exports.Writable = require('./lib/_stream_writable.js'); +exports.Duplex = require('./lib/_stream_duplex.js'); +exports.Transform = require('./lib/_stream_transform.js'); +exports.PassThrough = require('./lib/_stream_passthrough.js'); + +},{"./lib/_stream_duplex.js":71,"./lib/_stream_passthrough.js":72,"./lib/_stream_readable.js":73,"./lib/_stream_transform.js":74,"./lib/_stream_writable.js":75}],81:[function(require,module,exports){ +module.exports = require('./readable').Transform + +},{"./readable":80}],82:[function(require,module,exports){ +module.exports = require('./lib/_stream_writable.js'); + +},{"./lib/_stream_writable.js":75}],83:[function(require,module,exports){ +/* eslint-disable node/no-deprecated-api */ +var buffer = require('buffer') +var Buffer = buffer.Buffer + +// alternative to using Object.keys for old browsers +function copyProps (src, dst) { + for (var key in src) { + dst[key] = src[key] + } +} +if (Buffer.from && Buffer.alloc && Buffer.allocUnsafe && Buffer.allocUnsafeSlow) { + module.exports = buffer +} else { + // Copy properties from require('buffer') + copyProps(buffer, exports) + exports.Buffer = SafeBuffer +} + +function SafeBuffer (arg, encodingOrOffset, length) { + return Buffer(arg, encodingOrOffset, length) +} + +// Copy static methods from Buffer +copyProps(Buffer, SafeBuffer) + +SafeBuffer.from = function (arg, encodingOrOffset, length) { + if (typeof arg === 'number') { + throw new TypeError('Argument must not be a number') + } + return Buffer(arg, encodingOrOffset, length) +} + +SafeBuffer.alloc = function (size, fill, encoding) { + if (typeof size !== 'number') { + throw new TypeError('Argument must be a number') + } + var buf = Buffer(size) + if (fill !== undefined) { + if (typeof encoding === 'string') { + buf.fill(fill, encoding) + } else { + buf.fill(fill) + } + } else { + buf.fill(0) + } + return buf +} + +SafeBuffer.allocUnsafe = function (size) { + if (typeof size !== 'number') { + throw new TypeError('Argument must be a number') + } + return Buffer(size) +} + +SafeBuffer.allocUnsafeSlow = function (size) { + if (typeof size !== 'number') { + throw new TypeError('Argument must be a number') + } + return buffer.SlowBuffer(size) +} + +},{"buffer":43}],84:[function(require,module,exports){ +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + +module.exports = Stream; + +var EE = require('events').EventEmitter; +var inherits = require('inherits'); + +inherits(Stream, EE); +Stream.Readable = require('readable-stream/readable.js'); +Stream.Writable = require('readable-stream/writable.js'); +Stream.Duplex = require('readable-stream/duplex.js'); +Stream.Transform = require('readable-stream/transform.js'); +Stream.PassThrough = require('readable-stream/passthrough.js'); + +// Backwards-compat with node 0.4.x +Stream.Stream = Stream; + + + +// old-style streams. Note that the pipe method (the only relevant +// part of this class) is overridden in the Readable class. + +function Stream() { + EE.call(this); +} + +Stream.prototype.pipe = function(dest, options) { + var source = this; + + function ondata(chunk) { + if (dest.writable) { + if (false === dest.write(chunk) && source.pause) { + source.pause(); + } + } + } + + source.on('data', ondata); + + function ondrain() { + if (source.readable && source.resume) { + source.resume(); + } + } + + dest.on('drain', ondrain); + + // If the 'end' option is not supplied, dest.end() will be called when + // source gets the 'end' or 'close' events. Only dest.end() once. + if (!dest._isStdio && (!options || options.end !== false)) { + source.on('end', onend); + source.on('close', onclose); + } + + var didOnEnd = false; + function onend() { + if (didOnEnd) return; + didOnEnd = true; + + dest.end(); + } + + + function onclose() { + if (didOnEnd) return; + didOnEnd = true; + + if (typeof dest.destroy === 'function') dest.destroy(); + } + + // don't leave dangling pipes when there are errors. + function onerror(er) { + cleanup(); + if (EE.listenerCount(this, 'error') === 0) { + throw er; // Unhandled stream error in pipe. + } + } + + source.on('error', onerror); + dest.on('error', onerror); + + // remove all the event listeners that were added. + function cleanup() { + source.removeListener('data', ondata); + dest.removeListener('drain', ondrain); + + source.removeListener('end', onend); + source.removeListener('close', onclose); + + source.removeListener('error', onerror); + dest.removeListener('error', onerror); + + source.removeListener('end', cleanup); + source.removeListener('close', cleanup); + + dest.removeListener('close', cleanup); + } + + source.on('end', cleanup); + source.on('close', cleanup); + + dest.on('close', cleanup); + + dest.emit('pipe', source); + + // Allow for unix-like usage: A.pipe(B).pipe(C) + return dest; +}; + +},{"events":50,"inherits":56,"readable-stream/duplex.js":70,"readable-stream/passthrough.js":79,"readable-stream/readable.js":80,"readable-stream/transform.js":81,"readable-stream/writable.js":82}],85:[function(require,module,exports){ +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + +'use strict'; + +/**/ + +var Buffer = require('safe-buffer').Buffer; +/**/ + +var isEncoding = Buffer.isEncoding || function (encoding) { + encoding = '' + encoding; + switch (encoding && encoding.toLowerCase()) { + case 'hex':case 'utf8':case 'utf-8':case 'ascii':case 'binary':case 'base64':case 'ucs2':case 'ucs-2':case 'utf16le':case 'utf-16le':case 'raw': + return true; + default: + return false; + } +}; + +function _normalizeEncoding(enc) { + if (!enc) return 'utf8'; + var retried; + while (true) { + switch (enc) { + case 'utf8': + case 'utf-8': + return 'utf8'; + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + return 'utf16le'; + case 'latin1': + case 'binary': + return 'latin1'; + case 'base64': + case 'ascii': + case 'hex': + return enc; + default: + if (retried) return; // undefined + enc = ('' + enc).toLowerCase(); + retried = true; + } + } +}; + +// Do not cache `Buffer.isEncoding` when checking encoding names as some +// modules monkey-patch it to support additional encodings +function normalizeEncoding(enc) { + var nenc = _normalizeEncoding(enc); + if (typeof nenc !== 'string' && (Buffer.isEncoding === isEncoding || !isEncoding(enc))) throw new Error('Unknown encoding: ' + enc); + return nenc || enc; +} + +// StringDecoder provides an interface for efficiently splitting a series of +// buffers into a series of JS strings without breaking apart multi-byte +// characters. +exports.StringDecoder = StringDecoder; +function StringDecoder(encoding) { + this.encoding = normalizeEncoding(encoding); + var nb; + switch (this.encoding) { + case 'utf16le': + this.text = utf16Text; + this.end = utf16End; + nb = 4; + break; + case 'utf8': + this.fillLast = utf8FillLast; + nb = 4; + break; + case 'base64': + this.text = base64Text; + this.end = base64End; + nb = 3; + break; + default: + this.write = simpleWrite; + this.end = simpleEnd; + return; + } + this.lastNeed = 0; + this.lastTotal = 0; + this.lastChar = Buffer.allocUnsafe(nb); +} + +StringDecoder.prototype.write = function (buf) { + if (buf.length === 0) return ''; + var r; + var i; + if (this.lastNeed) { + r = this.fillLast(buf); + if (r === undefined) return ''; + i = this.lastNeed; + this.lastNeed = 0; + } else { + i = 0; + } + if (i < buf.length) return r ? r + this.text(buf, i) : this.text(buf, i); + return r || ''; +}; + +StringDecoder.prototype.end = utf8End; + +// Returns only complete characters in a Buffer +StringDecoder.prototype.text = utf8Text; + +// Attempts to complete a partial non-UTF-8 character using bytes from a Buffer +StringDecoder.prototype.fillLast = function (buf) { + if (this.lastNeed <= buf.length) { + buf.copy(this.lastChar, this.lastTotal - this.lastNeed, 0, this.lastNeed); + return this.lastChar.toString(this.encoding, 0, this.lastTotal); + } + buf.copy(this.lastChar, this.lastTotal - this.lastNeed, 0, buf.length); + this.lastNeed -= buf.length; +}; + +// Checks the type of a UTF-8 byte, whether it's ASCII, a leading byte, or a +// continuation byte. If an invalid byte is detected, -2 is returned. +function utf8CheckByte(byte) { + if (byte <= 0x7F) return 0;else if (byte >> 5 === 0x06) return 2;else if (byte >> 4 === 0x0E) return 3;else if (byte >> 3 === 0x1E) return 4; + return byte >> 6 === 0x02 ? -1 : -2; +} + +// Checks at most 3 bytes at the end of a Buffer in order to detect an +// incomplete multi-byte UTF-8 character. The total number of bytes (2, 3, or 4) +// needed to complete the UTF-8 character (if applicable) are returned. +function utf8CheckIncomplete(self, buf, i) { + var j = buf.length - 1; + if (j < i) return 0; + var nb = utf8CheckByte(buf[j]); + if (nb >= 0) { + if (nb > 0) self.lastNeed = nb - 1; + return nb; + } + if (--j < i || nb === -2) return 0; + nb = utf8CheckByte(buf[j]); + if (nb >= 0) { + if (nb > 0) self.lastNeed = nb - 2; + return nb; + } + if (--j < i || nb === -2) return 0; + nb = utf8CheckByte(buf[j]); + if (nb >= 0) { + if (nb > 0) { + if (nb === 2) nb = 0;else self.lastNeed = nb - 3; + } + return nb; + } + return 0; +} + +// Validates as many continuation bytes for a multi-byte UTF-8 character as +// needed or are available. If we see a non-continuation byte where we expect +// one, we "replace" the validated continuation bytes we've seen so far with +// a single UTF-8 replacement character ('\ufffd'), to match v8's UTF-8 decoding +// behavior. The continuation byte check is included three times in the case +// where all of the continuation bytes for a character exist in the same buffer. +// It is also done this way as a slight performance increase instead of using a +// loop. +function utf8CheckExtraBytes(self, buf, p) { + if ((buf[0] & 0xC0) !== 0x80) { + self.lastNeed = 0; + return '\ufffd'; + } + if (self.lastNeed > 1 && buf.length > 1) { + if ((buf[1] & 0xC0) !== 0x80) { + self.lastNeed = 1; + return '\ufffd'; + } + if (self.lastNeed > 2 && buf.length > 2) { + if ((buf[2] & 0xC0) !== 0x80) { + self.lastNeed = 2; + return '\ufffd'; + } + } + } +} + +// Attempts to complete a multi-byte UTF-8 character using bytes from a Buffer. +function utf8FillLast(buf) { + var p = this.lastTotal - this.lastNeed; + var r = utf8CheckExtraBytes(this, buf, p); + if (r !== undefined) return r; + if (this.lastNeed <= buf.length) { + buf.copy(this.lastChar, p, 0, this.lastNeed); + return this.lastChar.toString(this.encoding, 0, this.lastTotal); + } + buf.copy(this.lastChar, p, 0, buf.length); + this.lastNeed -= buf.length; +} + +// Returns all complete UTF-8 characters in a Buffer. If the Buffer ended on a +// partial character, the character's bytes are buffered until the required +// number of bytes are available. +function utf8Text(buf, i) { + var total = utf8CheckIncomplete(this, buf, i); + if (!this.lastNeed) return buf.toString('utf8', i); + this.lastTotal = total; + var end = buf.length - (total - this.lastNeed); + buf.copy(this.lastChar, 0, end); + return buf.toString('utf8', i, end); +} + +// For UTF-8, a replacement character is added when ending on a partial +// character. +function utf8End(buf) { + var r = buf && buf.length ? this.write(buf) : ''; + if (this.lastNeed) return r + '\ufffd'; + return r; +} + +// UTF-16LE typically needs two bytes per character, but even if we have an even +// number of bytes available, we need to check if we end on a leading/high +// surrogate. In that case, we need to wait for the next two bytes in order to +// decode the last character properly. +function utf16Text(buf, i) { + if ((buf.length - i) % 2 === 0) { + var r = buf.toString('utf16le', i); + if (r) { + var c = r.charCodeAt(r.length - 1); + if (c >= 0xD800 && c <= 0xDBFF) { + this.lastNeed = 2; + this.lastTotal = 4; + this.lastChar[0] = buf[buf.length - 2]; + this.lastChar[1] = buf[buf.length - 1]; + return r.slice(0, -1); + } + } + return r; + } + this.lastNeed = 1; + this.lastTotal = 2; + this.lastChar[0] = buf[buf.length - 1]; + return buf.toString('utf16le', i, buf.length - 1); +} + +// For UTF-16LE we do not explicitly append special replacement characters if we +// end on a partial character, we simply let v8 handle that. +function utf16End(buf) { + var r = buf && buf.length ? this.write(buf) : ''; + if (this.lastNeed) { + var end = this.lastTotal - this.lastNeed; + return r + this.lastChar.toString('utf16le', 0, end); + } + return r; +} + +function base64Text(buf, i) { + var n = (buf.length - i) % 3; + if (n === 0) return buf.toString('base64', i); + this.lastNeed = 3 - n; + this.lastTotal = 3; + if (n === 1) { + this.lastChar[0] = buf[buf.length - 1]; + } else { + this.lastChar[0] = buf[buf.length - 2]; + this.lastChar[1] = buf[buf.length - 1]; + } + return buf.toString('base64', i, buf.length - n); +} + +function base64End(buf) { + var r = buf && buf.length ? this.write(buf) : ''; + if (this.lastNeed) return r + this.lastChar.toString('base64', 0, 3 - this.lastNeed); + return r; +} + +// Pass bytes on through for single-byte encodings (e.g. ascii, latin1, hex) +function simpleWrite(buf) { + return buf.toString(this.encoding); +} + +function simpleEnd(buf) { + return buf && buf.length ? this.write(buf) : ''; +} +},{"safe-buffer":83}],86:[function(require,module,exports){ +(function (setImmediate,clearImmediate){ +var nextTick = require('process/browser.js').nextTick; +var apply = Function.prototype.apply; +var slice = Array.prototype.slice; +var immediateIds = {}; +var nextImmediateId = 0; + +// DOM APIs, for completeness + +exports.setTimeout = function() { + return new Timeout(apply.call(setTimeout, window, arguments), clearTimeout); +}; +exports.setInterval = function() { + return new Timeout(apply.call(setInterval, window, arguments), clearInterval); +}; +exports.clearTimeout = +exports.clearInterval = function(timeout) { timeout.close(); }; + +function Timeout(id, clearFn) { + this._id = id; + this._clearFn = clearFn; +} +Timeout.prototype.unref = Timeout.prototype.ref = function() {}; +Timeout.prototype.close = function() { + this._clearFn.call(window, this._id); +}; + +// Does not start the time, just sets up the members needed. +exports.enroll = function(item, msecs) { + clearTimeout(item._idleTimeoutId); + item._idleTimeout = msecs; +}; + +exports.unenroll = function(item) { + clearTimeout(item._idleTimeoutId); + item._idleTimeout = -1; +}; + +exports._unrefActive = exports.active = function(item) { + clearTimeout(item._idleTimeoutId); + + var msecs = item._idleTimeout; + if (msecs >= 0) { + item._idleTimeoutId = setTimeout(function onTimeout() { + if (item._onTimeout) + item._onTimeout(); + }, msecs); + } +}; + +// That's not how node.js implements it but the exposed api is the same. +exports.setImmediate = typeof setImmediate === "function" ? setImmediate : function(fn) { + var id = nextImmediateId++; + var args = arguments.length < 2 ? false : slice.call(arguments, 1); + + immediateIds[id] = true; + + nextTick(function onNextTick() { + if (immediateIds[id]) { + // fn.call() is faster so we optimize for the common use-case + // @see http://jsperf.com/call-apply-segu + if (args) { + fn.apply(null, args); + } else { + fn.call(null); + } + // Prevent ids from leaking + exports.clearImmediate(id); + } + }); + + return id; +}; + +exports.clearImmediate = typeof clearImmediate === "function" ? clearImmediate : function(id) { + delete immediateIds[id]; +}; +}).call(this,require("timers").setImmediate,require("timers").clearImmediate) +},{"process/browser.js":69,"timers":86}],87:[function(require,module,exports){ +(function (global){ + +/** + * Module exports. + */ + +module.exports = deprecate; + +/** + * Mark that a method should not be used. + * Returns a modified function which warns once by default. + * + * If `localStorage.noDeprecation = true` is set, then it is a no-op. + * + * If `localStorage.throwDeprecation = true` is set, then deprecated functions + * will throw an Error when invoked. + * + * If `localStorage.traceDeprecation = true` is set, then deprecated functions + * will invoke `console.trace()` instead of `console.error()`. + * + * @param {Function} fn - the function to deprecate + * @param {String} msg - the string to print to the console when `fn` is invoked + * @returns {Function} a new "deprecated" version of `fn` + * @api public + */ + +function deprecate (fn, msg) { + if (config('noDeprecation')) { + return fn; + } + + var warned = false; + function deprecated() { + if (!warned) { + if (config('throwDeprecation')) { + throw new Error(msg); + } else if (config('traceDeprecation')) { + console.trace(msg); + } else { + console.warn(msg); + } + warned = true; + } + return fn.apply(this, arguments); + } + + return deprecated; +} + +/** + * Checks `localStorage` for boolean values for the given `name`. + * + * @param {String} name + * @returns {Boolean} + * @api private + */ + +function config (name) { + // accessing global.localStorage can trigger a DOMException in sandboxed iframes + try { + if (!global.localStorage) return false; + } catch (_) { + return false; + } + var val = global.localStorage[name]; + if (null == val) return false; + return String(val).toLowerCase() === 'true'; +} + +}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) +},{}],88:[function(require,module,exports){ +module.exports = function isBuffer(arg) { + return arg && typeof arg === 'object' + && typeof arg.copy === 'function' + && typeof arg.fill === 'function' + && typeof arg.readUInt8 === 'function'; +} +},{}],89:[function(require,module,exports){ +(function (process,global){ +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + +var formatRegExp = /%[sdj%]/g; +exports.format = function(f) { + if (!isString(f)) { + var objects = []; + for (var i = 0; i < arguments.length; i++) { + objects.push(inspect(arguments[i])); + } + return objects.join(' '); + } + + var i = 1; + var args = arguments; + var len = args.length; + var str = String(f).replace(formatRegExp, function(x) { + if (x === '%%') return '%'; + if (i >= len) return x; + switch (x) { + case '%s': return String(args[i++]); + case '%d': return Number(args[i++]); + case '%j': + try { + return JSON.stringify(args[i++]); + } catch (_) { + return '[Circular]'; + } + default: + return x; + } + }); + for (var x = args[i]; i < len; x = args[++i]) { + if (isNull(x) || !isObject(x)) { + str += ' ' + x; + } else { + str += ' ' + inspect(x); + } + } + return str; +}; + + +// Mark that a method should not be used. +// Returns a modified function which warns once by default. +// If --no-deprecation is set, then it is a no-op. +exports.deprecate = function(fn, msg) { + // Allow for deprecating things in the process of starting up. + if (isUndefined(global.process)) { + return function() { + return exports.deprecate(fn, msg).apply(this, arguments); + }; + } + + if (process.noDeprecation === true) { + return fn; + } + + var warned = false; + function deprecated() { + if (!warned) { + if (process.throwDeprecation) { + throw new Error(msg); + } else if (process.traceDeprecation) { + console.trace(msg); + } else { + console.error(msg); + } + warned = true; + } + return fn.apply(this, arguments); + } + + return deprecated; +}; + + +var debugs = {}; +var debugEnviron; +exports.debuglog = function(set) { + if (isUndefined(debugEnviron)) + debugEnviron = process.env.NODE_DEBUG || ''; + set = set.toUpperCase(); + if (!debugs[set]) { + if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) { + var pid = process.pid; + debugs[set] = function() { + var msg = exports.format.apply(exports, arguments); + console.error('%s %d: %s', set, pid, msg); + }; + } else { + debugs[set] = function() {}; + } + } + return debugs[set]; +}; + + +/** + * Echos the value of a value. Trys to print the value out + * in the best way possible given the different types. + * + * @param {Object} obj The object to print out. + * @param {Object} opts Optional options object that alters the output. + */ +/* legacy: obj, showHidden, depth, colors*/ +function inspect(obj, opts) { + // default options + var ctx = { + seen: [], + stylize: stylizeNoColor + }; + // legacy... + if (arguments.length >= 3) ctx.depth = arguments[2]; + if (arguments.length >= 4) ctx.colors = arguments[3]; + if (isBoolean(opts)) { + // legacy... + ctx.showHidden = opts; + } else if (opts) { + // got an "options" object + exports._extend(ctx, opts); + } + // set default options + if (isUndefined(ctx.showHidden)) ctx.showHidden = false; + if (isUndefined(ctx.depth)) ctx.depth = 2; + if (isUndefined(ctx.colors)) ctx.colors = false; + if (isUndefined(ctx.customInspect)) ctx.customInspect = true; + if (ctx.colors) ctx.stylize = stylizeWithColor; + return formatValue(ctx, obj, ctx.depth); +} +exports.inspect = inspect; + + +// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics +inspect.colors = { + 'bold' : [1, 22], + 'italic' : [3, 23], + 'underline' : [4, 24], + 'inverse' : [7, 27], + 'white' : [37, 39], + 'grey' : [90, 39], + 'black' : [30, 39], + 'blue' : [34, 39], + 'cyan' : [36, 39], + 'green' : [32, 39], + 'magenta' : [35, 39], + 'red' : [31, 39], + 'yellow' : [33, 39] +}; + +// Don't use 'blue' not visible on cmd.exe +inspect.styles = { + 'special': 'cyan', + 'number': 'yellow', + 'boolean': 'yellow', + 'undefined': 'grey', + 'null': 'bold', + 'string': 'green', + 'date': 'magenta', + // "name": intentionally not styling + 'regexp': 'red' +}; + + +function stylizeWithColor(str, styleType) { + var style = inspect.styles[styleType]; + + if (style) { + return '\u001b[' + inspect.colors[style][0] + 'm' + str + + '\u001b[' + inspect.colors[style][1] + 'm'; + } else { + return str; + } +} + + +function stylizeNoColor(str, styleType) { + return str; +} + + +function arrayToHash(array) { + var hash = {}; + + array.forEach(function(val, idx) { + hash[val] = true; + }); + + return hash; +} + + +function formatValue(ctx, value, recurseTimes) { + // Provide a hook for user-specified inspect functions. + // Check that value is an object with an inspect function on it + if (ctx.customInspect && + value && + isFunction(value.inspect) && + // Filter out the util module, it's inspect function is special + value.inspect !== exports.inspect && + // Also filter out any prototype objects using the circular check. + !(value.constructor && value.constructor.prototype === value)) { + var ret = value.inspect(recurseTimes, ctx); + if (!isString(ret)) { + ret = formatValue(ctx, ret, recurseTimes); + } + return ret; + } + + // Primitive types cannot have properties + var primitive = formatPrimitive(ctx, value); + if (primitive) { + return primitive; + } + + // Look up the keys of the object. + var keys = Object.keys(value); + var visibleKeys = arrayToHash(keys); + + if (ctx.showHidden) { + keys = Object.getOwnPropertyNames(value); + } + + // IE doesn't make error fields non-enumerable + // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx + if (isError(value) + && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) { + return formatError(value); + } + + // Some type of object without properties can be shortcutted. + if (keys.length === 0) { + if (isFunction(value)) { + var name = value.name ? ': ' + value.name : ''; + return ctx.stylize('[Function' + name + ']', 'special'); + } + if (isRegExp(value)) { + return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp'); + } + if (isDate(value)) { + return ctx.stylize(Date.prototype.toString.call(value), 'date'); + } + if (isError(value)) { + return formatError(value); + } + } + + var base = '', array = false, braces = ['{', '}']; + + // Make Array say that they are Array + if (isArray(value)) { + array = true; + braces = ['[', ']']; + } + + // Make functions say that they are functions + if (isFunction(value)) { + var n = value.name ? ': ' + value.name : ''; + base = ' [Function' + n + ']'; + } + + // Make RegExps say that they are RegExps + if (isRegExp(value)) { + base = ' ' + RegExp.prototype.toString.call(value); + } + + // Make dates with properties first say the date + if (isDate(value)) { + base = ' ' + Date.prototype.toUTCString.call(value); + } + + // Make error with message first say the error + if (isError(value)) { + base = ' ' + formatError(value); + } + + if (keys.length === 0 && (!array || value.length == 0)) { + return braces[0] + base + braces[1]; + } + + if (recurseTimes < 0) { + if (isRegExp(value)) { + return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp'); + } else { + return ctx.stylize('[Object]', 'special'); + } + } + + ctx.seen.push(value); + + var output; + if (array) { + output = formatArray(ctx, value, recurseTimes, visibleKeys, keys); + } else { + output = keys.map(function(key) { + return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array); + }); + } + + ctx.seen.pop(); + + return reduceToSingleString(output, base, braces); +} + + +function formatPrimitive(ctx, value) { + if (isUndefined(value)) + return ctx.stylize('undefined', 'undefined'); + if (isString(value)) { + var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '') + .replace(/'/g, "\\'") + .replace(/\\"/g, '"') + '\''; + return ctx.stylize(simple, 'string'); + } + if (isNumber(value)) + return ctx.stylize('' + value, 'number'); + if (isBoolean(value)) + return ctx.stylize('' + value, 'boolean'); + // For some reason typeof null is "object", so special case here. + if (isNull(value)) + return ctx.stylize('null', 'null'); +} + + +function formatError(value) { + return '[' + Error.prototype.toString.call(value) + ']'; +} + + +function formatArray(ctx, value, recurseTimes, visibleKeys, keys) { + var output = []; + for (var i = 0, l = value.length; i < l; ++i) { + if (hasOwnProperty(value, String(i))) { + output.push(formatProperty(ctx, value, recurseTimes, visibleKeys, + String(i), true)); + } else { + output.push(''); + } + } + keys.forEach(function(key) { + if (!key.match(/^\d+$/)) { + output.push(formatProperty(ctx, value, recurseTimes, visibleKeys, + key, true)); + } + }); + return output; +} + + +function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) { + var name, str, desc; + desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] }; + if (desc.get) { + if (desc.set) { + str = ctx.stylize('[Getter/Setter]', 'special'); + } else { + str = ctx.stylize('[Getter]', 'special'); + } + } else { + if (desc.set) { + str = ctx.stylize('[Setter]', 'special'); + } + } + if (!hasOwnProperty(visibleKeys, key)) { + name = '[' + key + ']'; + } + if (!str) { + if (ctx.seen.indexOf(desc.value) < 0) { + if (isNull(recurseTimes)) { + str = formatValue(ctx, desc.value, null); + } else { + str = formatValue(ctx, desc.value, recurseTimes - 1); + } + if (str.indexOf('\n') > -1) { + if (array) { + str = str.split('\n').map(function(line) { + return ' ' + line; + }).join('\n').substr(2); + } else { + str = '\n' + str.split('\n').map(function(line) { + return ' ' + line; + }).join('\n'); + } + } + } else { + str = ctx.stylize('[Circular]', 'special'); + } + } + if (isUndefined(name)) { + if (array && key.match(/^\d+$/)) { + return str; + } + name = JSON.stringify('' + key); + if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) { + name = name.substr(1, name.length - 2); + name = ctx.stylize(name, 'name'); + } else { + name = name.replace(/'/g, "\\'") + .replace(/\\"/g, '"') + .replace(/(^"|"$)/g, "'"); + name = ctx.stylize(name, 'string'); + } + } + + return name + ': ' + str; +} + + +function reduceToSingleString(output, base, braces) { + var numLinesEst = 0; + var length = output.reduce(function(prev, cur) { + numLinesEst++; + if (cur.indexOf('\n') >= 0) numLinesEst++; + return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1; + }, 0); + + if (length > 60) { + return braces[0] + + (base === '' ? '' : base + '\n ') + + ' ' + + output.join(',\n ') + + ' ' + + braces[1]; + } + + return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1]; +} + + +// NOTE: These type checking functions intentionally don't use `instanceof` +// because it is fragile and can be easily faked with `Object.create()`. +function isArray(ar) { + return Array.isArray(ar); +} +exports.isArray = isArray; + +function isBoolean(arg) { + return typeof arg === 'boolean'; +} +exports.isBoolean = isBoolean; + +function isNull(arg) { + return arg === null; +} +exports.isNull = isNull; + +function isNullOrUndefined(arg) { + return arg == null; +} +exports.isNullOrUndefined = isNullOrUndefined; + +function isNumber(arg) { + return typeof arg === 'number'; +} +exports.isNumber = isNumber; + +function isString(arg) { + return typeof arg === 'string'; +} +exports.isString = isString; + +function isSymbol(arg) { + return typeof arg === 'symbol'; +} +exports.isSymbol = isSymbol; + +function isUndefined(arg) { + return arg === void 0; +} +exports.isUndefined = isUndefined; + +function isRegExp(re) { + return isObject(re) && objectToString(re) === '[object RegExp]'; +} +exports.isRegExp = isRegExp; + +function isObject(arg) { + return typeof arg === 'object' && arg !== null; +} +exports.isObject = isObject; + +function isDate(d) { + return isObject(d) && objectToString(d) === '[object Date]'; +} +exports.isDate = isDate; + +function isError(e) { + return isObject(e) && + (objectToString(e) === '[object Error]' || e instanceof Error); +} +exports.isError = isError; + +function isFunction(arg) { + return typeof arg === 'function'; +} +exports.isFunction = isFunction; + +function isPrimitive(arg) { + return arg === null || + typeof arg === 'boolean' || + typeof arg === 'number' || + typeof arg === 'string' || + typeof arg === 'symbol' || // ES6 symbol + typeof arg === 'undefined'; +} +exports.isPrimitive = isPrimitive; + +exports.isBuffer = require('./support/isBuffer'); + +function objectToString(o) { + return Object.prototype.toString.call(o); +} + + +function pad(n) { + return n < 10 ? '0' + n.toString(10) : n.toString(10); +} + + +var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', + 'Oct', 'Nov', 'Dec']; + +// 26 Feb 16:19:34 +function timestamp() { + var d = new Date(); + var time = [pad(d.getHours()), + pad(d.getMinutes()), + pad(d.getSeconds())].join(':'); + return [d.getDate(), months[d.getMonth()], time].join(' '); +} + + +// log is just a thin wrapper to console.log that prepends a timestamp +exports.log = function() { + console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments)); +}; + + +/** + * Inherit the prototype methods from one constructor into another. + * + * The Function.prototype.inherits from lang.js rewritten as a standalone + * function (not on Function.prototype). NOTE: If this file is to be loaded + * during bootstrapping this function needs to be rewritten using some native + * functions as prototype setup using normal JavaScript does not work as + * expected during bootstrapping (see mirror.js in r114903). + * + * @param {function} ctor Constructor function which needs to inherit the + * prototype. + * @param {function} superCtor Constructor function to inherit prototype from. + */ +exports.inherits = require('inherits'); + +exports._extend = function(origin, add) { + // Don't do anything if add isn't an object + if (!add || !isObject(add)) return origin; + + var keys = Object.keys(add); + var i = keys.length; + while (i--) { + origin[keys[i]] = add[keys[i]]; + } + return origin; +}; + +function hasOwnProperty(obj, prop) { + return Object.prototype.hasOwnProperty.call(obj, prop); +} + +}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) +},{"./support/isBuffer":88,"_process":69,"inherits":56}],90:[function(require,module,exports){ +module.exports={ + "name": "mocha", + "version": "6.2.0", + "homepage": "https://mochajs.org/", + "notifyLogo": "https://ibin.co/4QuRuGjXvl36.png" +} +},{}]},{},[1]); diff --git a/test/puppeteer.js b/test/puppeteer.js new file mode 100755 index 0000000..9881b2e --- /dev/null +++ b/test/puppeteer.js @@ -0,0 +1,72 @@ +#!/usr/bin/env node + +import puppeteer from 'puppeteer'; +import path from 'path'; +import express from 'express'; +import url from 'url'; +const app = express(); +const port = 3000; +const __dirname = path.dirname(url.fileURLToPath(import.meta.url)); // eslint-disable-line + +app.use(express.static(path.dirname(__dirname))); +const server = app.listen(port, () => { + console.log(`Example app listening on port ${port}!`); + test(port); +}); + +function makePromiseInfo() { + const info = {}; + const promise = new Promise((resolve, reject) => { + Object.assign(info, {resolve, reject}); + }); + info.promise = promise; + return info; +} + + +async function test(port) { + const browser = await puppeteer.launch({ + headless: 'new', + args: [ + //'--enable-unsafe-webgpu', + //'--enable-webgpu-developer-features', + //'--use-angle=swiftshader', + '--user-agent=puppeteer', + ], + }); + const page = await browser.newPage(); + + page.on('console', async e => { + const args = await Promise.all(e.args().map(a => a.jsonValue())); + console.log(...args); + }); + + let totalFailures = 0; + let waitingPromiseInfo; + + // Get the "viewport" of the page, as reported by the page. + page.on('domcontentloaded', async () => { + const failures = await page.evaluate(() => { + return window.testsPromiseInfo.promise; + }); + + totalFailures += failures; + + waitingPromiseInfo.resolve(); + }); + + const urls = [ + `http://localhost:${port}/test/index.html?reporter=spec`, + ]; + + for (const url of urls) { + waitingPromiseInfo = makePromiseInfo(); + await page.goto(url); + await waitingPromiseInfo.promise; + } + + await browser.close(); + server.close(); + + process.exit(totalFailures ? 1 : 0); // eslint-disable-line +} diff --git a/test/tests/color-utils-tests.js b/test/tests/color-utils-tests.js new file mode 100644 index 0000000..f64d404 --- /dev/null +++ b/test/tests/color-utils-tests.js @@ -0,0 +1,115 @@ +import {describe, it} from '../mocha-support.js'; +import { + assertArrayEqualApproximately, + assertEqual, +} from '../assert.js'; +import { + colorFormatConverters, + guessFormat, + hsv01ToRGBFloat, + rgbFloatToHSV01, +} from '../../src/libs/color-utils.js'; + +describe('color-utils tests', () => { + + it('guesses the correct color format', () => { + assertEqual(guessFormat('#569AEF'), 'hex6'); + assertEqual(guessFormat('EF569A'), 'hex6-no-hash'); + assertEqual(guessFormat('#F88'), 'hex3'); + assertEqual(guessFormat('8F8'), 'hex3-no-hash'); + assertEqual(guessFormat('rgb(170,68,240)'), 'css-rgb'); + assertEqual(guessFormat('hsl(170,68%,80%)'), 'css-hsl'); + // can no longer guess numbers as they could alpha or not + //assertEqual(guessFormat(0xFEA956), 'uint32-rgb'); + assertEqual(guessFormat([255, 192, 255]), 'float-rgb'); // we can't really distinguish between [u8, u8, u8] and [float, float, float] + assertEqual(guessFormat([0.2, 0.9, 0.5]), 'float-rgb'); + assertEqual(guessFormat(new Float32Array([0.2, 0.9, 0.5])), 'float-rgb'); + assertEqual(guessFormat(new Uint8Array([20, 90, 50])), 'uint8-rgb'); + assertEqual(guessFormat({r: 0, g: 0, b: 1}), 'object-rgb'); + }); + + it('converts to/from css-rgb', () => { + const { + color: {from: fromHex, to: toHex}, + text: {from: fromStr, to: toStr}, + } = colorFormatConverters['css-rgb']; + assertEqual(fromHex('#123456'), [true, 'rgb(18, 52, 86)']); + assertEqual(toHex('rgb(86, 52, 18)'), '#563412'); + assertEqual(fromStr('rgb(1,22,33)'), [true, 'rgb(1, 22, 33)']); + assertEqual(toStr('rgb(111,22,33)'), 'rgb(111, 22, 33)'); + }); + + it('converts to/from css-hsl', () => { + const { + color: {from: fromHex, to: toHex}, + text: {from: fromStr, to: toStr}, + } = colorFormatConverters['css-hsl']; + assertEqual(fromHex('#eed4c9'), [true, 'hsl(18, 52%, 86%)']); + assertEqual(toHex('hsl(86, 52%, 18%)'), '#314616'); + assertEqual(fromStr('hsl(1,22%,33%)'), [true, 'hsl(1, 22%, 33%)']); + assertEqual(toStr('hsl(111,22%,33%)'), 'hsl(111, 22%, 33%)'); + assertEqual(fromHex('#eeeeee'), [true, 'hsl(0, 0%, 93%)']); + }); + + it('converts to/from hex6-no-hash', () => { + const { + color: {from: fromHex, to: toHex}, + text: {from: fromStr, to: toStr}, + } = colorFormatConverters['hex6-no-hash']; + assertEqual(fromHex('#123456'), [true, '123456']); + assertEqual(toHex('123456'), '#123456'); + assertEqual(fromStr(' 123456 '), [true, '123456']); + assertEqual(toStr('123456'), '123456'); + }); + + it('converts to/from hex3', () => { + const { + color: {from: fromHex, to: toHex}, + text: {from: fromStr, to: toStr}, + } = colorFormatConverters['hex3']; + assertEqual(fromHex('#123456'), [true, '#123456']); + assertEqual(fromHex('#223355'), [true, '#235']); + assertEqual(toHex('#123'), '#112233'); + assertEqual(fromStr(' #123 '), [true, '#123']); + assertEqual(toStr('#456'), '#456'); + }); + + it('converts to/from hex6', () => { + const { + color: {from: fromHex, to: toHex}, + text: {from: fromStr, to: toStr}, + } = colorFormatConverters['hex6']; + assertEqual(fromHex('#123456'), [true, '#123456']); + assertEqual(fromHex('#223355'), [true, '#223355']); + assertEqual(toHex('#123456'), '#123456'); + assertEqual(fromStr(' #123456 '), [true, '#123456']); + assertEqual(fromStr(' #123456f '), [false, '#123456f']); + assertEqual(toStr('#456789'), '#456789'); + }); + + it('converts to/from float-rgb', () => { + const { + color: {from: fromHex, to: toHex}, + text: {from: fromStr, to: toStr}, + } = colorFormatConverters['float-rgb']; + assertEqual(fromHex('#123456'), [true, [0.071, 0.204, 0.337]]); + assertEqual(toHex([0.337, 0.204, 0.071]), '#563412'); + assertEqual(fromStr('0.10 , 12.2301, 1.00'), [true, [0.1, 12.23, 1]]); + assertEqual(fromStr('0.10 , 12.2301, 1.00f'), [false, [0.1, 12.23, 1]]); + assertEqual(toStr([0.12, 0.34, 5.67]), '0.12, 0.34, 5.67'); + assertEqual(toStr(new Float32Array([0.2, 0.9, 0.5])), '0.2, 0.9, 0.5'); + }); + + it('converts from/too hsv01/rgbFloat', () => { + assertArrayEqualApproximately(rgbFloatToHSV01([1, 0, 0]), [0, 1, 1], 0.001); + assertArrayEqualApproximately(rgbFloatToHSV01([0, 1, 0]), [1 / 3, 1, 1], 0.001); + assertArrayEqualApproximately(rgbFloatToHSV01([0, 0, 1]), [2 / 3, 1, 1], 0.001); + assertArrayEqualApproximately(hsv01ToRGBFloat([0, 1, 1]), [1, 0, 0], 0.0); + assertArrayEqualApproximately(hsv01ToRGBFloat([1 / 3, 1, 1]), [0, 1, 0], 0.0); + assertArrayEqualApproximately(hsv01ToRGBFloat([2 / 3, 1, 1]), [0, 0, 1], 0.00001); + assertArrayEqualApproximately(hsv01ToRGBFloat([1 / 6, 1, 1]), [1, 1, 0], 0.0); + assertArrayEqualApproximately(hsv01ToRGBFloat([3 / 6, 1, 1]), [0, 1, 1], 0.0); + assertArrayEqualApproximately(hsv01ToRGBFloat([5 / 6, 1, 1]), [1, 0, 1], 0.00001); + }); + +}); \ No newline at end of file diff --git a/test/tests/muigui-tests.js b/test/tests/muigui-tests.js new file mode 100644 index 0000000..de232b2 --- /dev/null +++ b/test/tests/muigui-tests.js @@ -0,0 +1,8 @@ +import {describe, it} from '../mocha-support.js'; + +describe('muigui tests', () => { + + it('test muigui', () => { + }); + +}); \ No newline at end of file diff --git a/tsconfig.json b/tsconfig.json new file mode 100644 index 0000000..42c165d --- /dev/null +++ b/tsconfig.json @@ -0,0 +1,26 @@ +{ + "extends": "@tsconfig/recommended/tsconfig.json", + "compilerOptions": { + "target": "ESNext", + "module": "NodeNext", + "outDir": "dist/0.x", + "moduleResolution": "NodeNext", + "declaration": true, + "allowJs": true, + }, + "include": [ + "src/**/*.ts", + "src/**/*.js", + "build/**/*.js", + //"examples/**/*.js", + "test/**/*.js", + //"build/**/*.js", + //".eslintrc.cjs", + "*.js", + //"test/tests/**/*.html", + ], + "exclude": [ + "examples/**/*.js", + "test/mocha.js", + ], +} \ No newline at end of file