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<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - postprocessing - glyphs</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<style>
html, body {
font-family: Monospace;
background-color: #000;
color: #fff;
margin: 0px;
overflow: hidden;
width: 100%;
height: 100%;
}
canvas {
width: 100%;
height: 100%;
}
#info {
position: absolute;
top: 10px;
width: 100%;
text-align: center;
z-index: 100;
display:block;
}
#info a, .button { color: #f00; font-weight: bold; text-decoration: underline; cursor: pointer }
.dg.ac {
z-index: 1000 !important;
}
</style>
</head>
<body>
<div id="info">
<a href="http://threejs.org" target="_blank">three.js</a> - glyph postprocessing - by <a href="http://games.greggman.com" target="_blank">greggman</a>
</div>
<script src="js/three.min.js"></script>
<script src="js/three/js/utils/GeometryUtils.js"></script>
<script src="js/three/js/utils/GlyphUtilsV1.js"></script>
<script src="js/three/js/shaders/CopyShader.js"></script>
<script src="js/three/js/shaders/GlyphShaderV1.js"></script>
<script src="js/three/js/postprocessing/EffectComposer.js"></script>
<script src="js/three/js/postprocessing/MaskPass.js"></script>
<script src="js/three/js/postprocessing/RenderPass.js"></script>
<script src="js/three/js/postprocessing/ShaderPass.js"></script>
<script src="js/three/js/postprocessing/GlyphPassV1.js"></script>
<script src="js/three/js/Detector.js"></script>
<script src="js/three/js/libs/stats.min.js"></script>
<script src="js/three/js/libs/dat.gui.min.js"></script>
<script>
"use strict";
if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
var container, stats, permalink, hex, color;
var camera, cameraTarget, scene, renderer;
var composer;
var renderTarget;
var group, textMesh1, textMesh2, textGeo, material;
var scenes = {};
var text = "three.js",
height = 20,
size = 70,
hover = 30;
var targetRotation = 0;
var targetRotationOnMouseDown = 0;
var mouseX = 0;
var mouseXOnMouseDown = 0;
var windowHalfX = window.innerWidth / 2;
var windowHalfY = window.innerHeight / 2;
var postprocessing = { enabled : true };
var glow = 0.9;
var globalOptions = {
};
var fontOptions = {
font: "monospace",
fontSize: 20,
};
var fontFamilies = {
"monospace": "monospace",
"courier": "'Courier New',Courier,monospace",
"narrow-serif": "'Courier New',Courier,monospace",
"wide-serif": "Georgia,Utopia,Charter,serif",
"narrow-sans-serif": "Helvetica,Arial,sans-serif",
"wide-sans-serif": "Verdana,Geneva,sans-serif",
};
var renderModel;
var glyphExtras = {
color: [255, 255, 255 ],
};
var glyphPass;
var glyphSets = {};
var glyphPassOptions = {
glyphOptions: {
checker: false,
shade: false,
weighNeighbors: false,
glyphSets: [ "ascii" ],
fontOptions: {
}
}
};
init();
animate();
function init() {
container = document.body;
// CAMERA
camera = new THREE.PerspectiveCamera( 30, 1, 1, 1500 );
camera.position.set( 0, 400, 700 );
cameraTarget = new THREE.Vector3( 0, 150, 0 );
globalOptions.scene = "spheres";
scenes.spheres = createSphereScene();
scenes.cubes = createCubeScene( false );
scenes[ "wireframe cubes" ] = createCubeScene( true );
scene = scenes.spheres;
// RENDERER
renderer = new THREE.WebGLRenderer( { antialias: true } );
container.appendChild( renderer.domElement );
renderer.setPixelRatio( 2 );
// STATS
stats = new Stats();
stats.domElement.style.position = 'absolute';
stats.domElement.style.top = '0px';
//container.appendChild( stats.domElement );
// POSTPROCESSING
renderer.autoClear = false;
renderModel = new THREE.RenderPass( scene, camera );
glyphPass = new THREE.GlyphPass( glyphPassOptions );
glyphPass.renderToScreen = true;
var parameters = { minFilter: THREE.LinearFilter, magFilter: THREE.LinearFilter, format: THREE.RGBFormat, stencilBuffer: false };
renderTarget = new THREE.WebGLRenderTarget( 1, 1, parameters );
setRenderTargetSize();
composer = new THREE.EffectComposer( renderer, renderTarget );
composer.addPass( renderModel );
composer.addPass( glyphPass );
//
initGUI();
// EVENTS
renderer.domElement.addEventListener( 'mousedown', onDocumentMouseDown, false );
renderer.domElement.addEventListener( 'touchstart', onDocumentTouchStart, false );
renderer.domElement.addEventListener( 'touchmove', onDocumentTouchMove, false );
window.addEventListener( 'resize', onWindowResize, false );
onWindowResize();
}
function createSphereScene() {
// SCENE
var scene = new THREE.Scene();
scene.fog = new THREE.Fog( 0x000000, 250, 1400 );
// LIGHTS
var dirLight = new THREE.DirectionalLight( 0xffffff, 1.725 );
dirLight.position.set( 200, 100, 100 ).normalize();
scene.add( dirLight );
var pointLight = new THREE.PointLight( 0xffffff, 1.5 );
pointLight.position.set( -120, 0, 50 );
scene.add( pointLight );
var group = new THREE.Group();
group.position.y = 120;
var radius = 150;
var geometry = new THREE.IcosahedronGeometry( radius, 1 );
var mat1 = new THREE.MeshLambertMaterial( { color: 0xff4f8f, shading: THREE.FlatShading } );
var modelM = new THREE.Mesh( geometry, mat1 );
group.add( modelM );
var geometry = new THREE.SphereGeometry( radius, 48, 24 );
var mat1 = new THREE.MeshLambertMaterial( { color: 0x4f8fff, shading: THREE.SmoothShading } );
var modelL = new THREE.Mesh( geometry, mat1 );
modelL.position.x -= radius * 2.5;
group.add( modelL );
var geometry = new THREE.SphereGeometry( radius, 4, 2 );
var mat1 = new THREE.MeshLambertMaterial( { color: 0x8fff4f, shading: THREE.FlatShading } );
var modelR = new THREE.Mesh( geometry, mat1 );
modelR.position.x = radius * 2.5;
group.add( modelR );
scene.add( group );
return {
update: function() {
modelR.rotation.z -= 0.003;
modelM.rotation.z += 0.002;
group.rotation.y += ( targetRotation - group.rotation.y ) * 0.05;
},
getScene: function() {
return scene;
}
};
}
function createCubeScene( wireframe ) {
// SCENE
var scene = new THREE.Scene();
scene.fog = new THREE.Fog( 0x000000, 250, 1400 );
// LIGHTS
var dirLight = new THREE.DirectionalLight( 0xffffff, 0.725 );
dirLight.position.set( 200, 100, 100 ).normalize();
scene.add( dirLight );
var pointLight = new THREE.HemisphereLight( 0xddeeff, 0x806040, 0.5 );
pointLight.position.set( -120, 0, 50 );
scene.add( pointLight );
var group = new THREE.Group();
group.position.y = 120;
var size = 50;
var spread = size * 2.5;
var geometry = new THREE.BoxGeometry( size, size, size );
var materials = [];
var num = 4;
for ( var xx = -num; xx <= num; ++xx ) {
for ( var yy = -num; yy <= num; ++yy ) {
for ( var zz = -num; zz <= num; ++zz ) {
var color = ( (( (xx / num * 0.5 + 0.5 ) * 255 ) | 0 ) << 0 ) |
( (( (yy / num * 0.5 + 0.5 ) * 255 ) | 0 ) << 8 ) |
( (( (zz / num * 0.5 + 0.5 ) * 255 ) | 0 ) << 16 ) ;
var mat = new THREE.MeshLambertMaterial( { color: color, shading: THREE.FlatShading, wireframe: wireframe } );
var model = new THREE.Mesh( geometry, mat );
materials.push( mat );
model.position.x = xx * spread;
model.position.y = yy * spread;
model.position.z = zz * spread;
group.add( model );
}
}
}
scene.add( group );
return {
resize: function() {
var lineWidth = Math.max(1, renderer.domElement.clientHeight / 30);
materials.forEach( function( mat ) {
mat.wireframeLinewidth = lineWidth;
});
},
update: function() {
group.rotation.z += 0.002;
group.rotation.y += ( targetRotation - group.rotation.y ) * 0.05;
},
getScene: function() {
return scene;
}
};
}
function isMobile() {
var ua = navigator.userAgent.toLowerCase();
return ua.indexOf( "iphone" ) >= 0 || ua.indexOf( "mobile" ) >= 0;
}
function initGUI() {
var gui = new dat.GUI();
gui.add( globalOptions, 'scene', Object.keys( scenes )).onChange( function() {
scene = scenes[ globalOptions.scene ];
} );
gui.add( postprocessing, 'enabled' );
gui.add( glyphPass, 'textScale', 0.2, 2.0 );
gui.addColor( glyphExtras, 'color' ).onChange( function() {
var c = glyphExtras.color;
glyphPass.color.setRGB( c[ 0 ] / 255, c[ 1 ] / 255, c[ 2 ] / 255 );
} );
var glyphsFolder = gui.addFolder( 'glyphs' );
Object.keys( THREE.GlyphUtils.unicodeRanges ).forEach( function( rangeName ) {
glyphSets[ rangeName ] = glyphPassOptions.glyphOptions.glyphSets.indexOf( rangeName ) >= 0;
glyphsFolder.add( glyphSets, rangeName ).onChange( function() {
updateGlyphSets();
} );
} );
var debugFolder = gui.addFolder( 'debug' );
debugFolder.add( glyphPassOptions.glyphOptions, 'weighNeighbors' ).onChange( updateGlyphSets );
debugFolder.add( glyphPassOptions.glyphOptions, 'checker' ).onChange( updateGlyphSets );
debugFolder.add( glyphPassOptions.glyphOptions, 'shade' ).onChange( updateGlyphSets );
debugFolder.add( glyphPass, 'dosColors' );
debugFolder.add( fontOptions, 'font', Object.keys( fontFamilies )).onFinishChange( updateGlyphSets );
debugFolder.add( fontOptions, 'fontSize', 6, 32 ).step( 1 ).onFinishChange( updateGlyphSets );
if ( isMobile() ) {
gui.close();
}
}
function updateGlyphSets() {
glyphPassOptions.glyphOptions.glyphSets = Object.keys( glyphSets ).filter( function( set ) {
return glyphSets[ set ];
} );
glyphPassOptions.glyphOptions.fontOptions.font =
fontOptions.fontSize.toString() + "px " + fontFamilies[ fontOptions.font ];
console.log( glyphPassOptions.glyphOptions.fontOptions.font );
glyphPass.updateGlyphs( glyphPassOptions );
}
function setRenderTargetSize() {
// Make it twice as many pixels as there are glyphs
var width = ( renderer.context.drawingBufferWidth / ( glyphPass.glyphs.glyphWidth * glyphPass.textScale ) | 0 ) * 2;
var height = ( renderer.context.drawingBufferHeight / ( glyphPass.glyphs.glyphHeight * glyphPass.textScale ) | 0 ) * 2;
if ( renderTarget.width !== width || renderTarget.height !== height ) {
renderTarget.setSize( width, height );
}
}
function onWindowResize() {
windowHalfX = window.innerWidth / 2;
windowHalfY = window.innerHeight / 2;
renderer.setSize( renderer.domElement.clientWidth, renderer.domElement.clientHeight, false );
setRenderTargetSize();
composer.reset();
Object.keys( scenes ).forEach( function( sceneName ) {
var scene = scenes[ sceneName ];
if ( scene.resize ) {
scene.resize();
}
} );
}
//
function onDocumentMouseDown( event ) {
event.preventDefault();
renderer.domElement.addEventListener( 'mousemove', onDocumentMouseMove, false );
renderer.domElement.addEventListener( 'mouseup', onDocumentMouseUp, false );
renderer.domElement.addEventListener( 'mouseout', onDocumentMouseOut, false );
mouseXOnMouseDown = event.clientX - windowHalfX;
targetRotationOnMouseDown = targetRotation;
}
function onDocumentMouseMove( event ) {
event.preventDefault();
mouseX = event.clientX - windowHalfX;
targetRotation = targetRotationOnMouseDown + ( mouseX - mouseXOnMouseDown ) * 0.02;
}
function onDocumentMouseUp( event ) {
event.preventDefault();
renderer.domElement.removeEventListener( 'mousemove', onDocumentMouseMove, false );
renderer.domElement.removeEventListener( 'mouseup', onDocumentMouseUp, false );
renderer.domElement.removeEventListener( 'mouseout', onDocumentMouseOut, false );
}
function onDocumentMouseOut( event ) {
event.preventDefault();
renderer.domElement.removeEventListener( 'mousemove', onDocumentMouseMove, false );
renderer.domElement.removeEventListener( 'mouseup', onDocumentMouseUp, false );
renderer.domElement.removeEventListener( 'mouseout', onDocumentMouseOut, false );
}
function onDocumentTouchStart( event ) {
if ( event.touches.length == 1 ) {
event.preventDefault();
mouseXOnMouseDown = event.touches[ 0 ].pageX - windowHalfX;
targetRotationOnMouseDown = targetRotation;
}
}
function onDocumentTouchMove( event ) {
if ( event.touches.length == 1 ) {
event.preventDefault();
mouseX = event.touches[ 0 ].pageX - windowHalfX;
targetRotation = targetRotationOnMouseDown + ( mouseX - mouseXOnMouseDown ) * 0.05;
}
}
//
function animate() {
requestAnimationFrame( animate );
render();
stats.update();
}
function render() {
setRenderTargetSize();
scene.update();
var renderScene = scene.getScene();
renderModel.scene = renderScene;
renderer.setClearColor( renderScene.fog.color );
camera.aspect = renderer.domElement.clientWidth / renderer.domElement.clientHeight;
camera.updateProjectionMatrix();
camera.lookAt( cameraTarget );
renderer.clear();
if ( postprocessing.enabled ) {
composer.render( 0.05 );
} else {
renderer.render( renderScene, camera );
}
}
</script>
</body>
</html>