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carryforward #42

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f00274b
Create index.js
qbjl Jan 18, 2024
e5d9383
Create iterStore.js
qbjl Jan 18, 2024
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307 changes: 307 additions & 0 deletions src/extensions/silvxrcat_carryforward/index.js
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Original file line number Diff line number Diff line change
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const BlockType = Scratch.BlockType;
const ArgumentType = Scratch.ArgumentType;
const cstore = require('./iterStore');
const store = new cstore();

class CarryForwards {
constructor(runtime) {
this.runtime = runtime;
}
// stolen code from gsa edited for this stuff
deserialize(data) {
store.iterators = {};
for (const iter of data) {
store.newIterator(iter.name, iter.value, iter.id);
}
}

serialize() {
return store.getAllIterators()
.map(variable => ({
name: variable.name,
value: variable.value,
id: variable.id,
calc: variable.calc
}));
}

orderCategoryBlocks(blocks) {
const button = blocks[0];
const varBlock = blocks[1];
delete blocks[0];
delete blocks[1];
const varBlocks = store.getAllIterators().map(i => varBlock
.replace('{iterId}', i.id));
if (!varBlocks.length) {
return [button];
}
varBlocks
.reverse()
.push(button);
blocks = varBlocks
.reverse()
.concat(blocks);
return blocks;
}
// not stolen code
getInfo() {
return {
id: "carryforwards",
name: "CarryForwards",
color1: "#75cc50",
color2: "#41ab4a",
color3: "#41ab4a",
isDynamic: true,
orderBlocks: this.orderCategoryBlocks,
blocks: [
{
opcode: 'createIterator',
blockType: BlockType.BUTTON,
text: 'create iterator',
},
{
opcode: 'iterGetter',
blockType: BlockType.REPORTER,
arguments: {
iter: {
type: ArgumentType.STRING,
menu: 'iterators',
defaultValue: '{iterId}'
}
},
text: '[iter]'
},
{
blockType: BlockType.LABEL,
text: 'Edit',
},
{
opcode: 'setFrequency',
blockType: BlockType.COMMAND,
text: 'set frequency of [iter] to [f]',
arguments: {
iter: {
type: ArgumentType.STRING,
menu: 'iterators',
defaultValue: ""
},
f: {
type: ArgumentType.NUMBER,
defaultValue: 1
}
},
},
{
opcode: 'setReaction',
blockType: BlockType.COMMAND,
text: 'set reaction speed of [iter] to [r]',
arguments: {
iter: {
type: ArgumentType.STRING,
menu: 'iterators',
defaultValue: ""
},
r: {
type: ArgumentType.NUMBER,
defaultValue: 1
}
},
},
{
opcode: 'setZeta',
blockType: BlockType.COMMAND,
text: 'set zeta of [iter] to [z]',
arguments: {
iter: {
type: ArgumentType.STRING,
menu: 'iterators',
defaultValue: ""
},
z: {
type: ArgumentType.NUMBER,
defaultValue: 0.5
}
},
},
'---',
{
opcode: 'initializeIterator',
blockType: BlockType.COMMAND,
text: 'initialize core values of [iter]',
arguments: {
iter: {
type: ArgumentType.STRING,
menu: 'iterators',
defaultValue: ""
}
},
},
{
blockType: BlockType.LABEL,
text: 'Execute',
},
{
opcode: 'stepIterator',
blockType: BlockType.COMMAND,
text: 'step [iter] to [x] with time dialiation [t]',
arguments: {
iter: {
type: ArgumentType.STRING,
menu: 'iterators',
defaultValue: ""
},
x: {
type: ArgumentType.NUMBER,
defaultValue: 0
},
t: {
type: ArgumentType.NUMBER,
defaultValue: 0.1
}
},
},
{
opcode: 'setIterator',
blockType: BlockType.COMMAND,
text: 'set [iter] to [x]',
arguments: {
iter: {
type: ArgumentType.STRING,
menu: 'iterators',
defaultValue: ""
},
x: {
type: ArgumentType.NUMBER,
defaultValue: 0
}
},
},
{
blockType: BlockType.LABEL,
text: 'Information',
},
{
opcode: 'getIteratorFrequency',
blockType: BlockType.REPORTER,
text: 'frequency of [iter]',
arguments: {
iter: {
type: ArgumentType.STRING,
menu: 'iterators',
defaultValue: ""
}
},
},
{
opcode: 'getIteratorReaction',
blockType: BlockType.REPORTER,
text: 'reaction time of [iter]',
arguments: {
iter: {
type: ArgumentType.STRING,
menu: 'iterators',
defaultValue: ""
}
},
},
{
opcode: 'getIteratorZeta',
blockType: BlockType.REPORTER,
text: 'zeta of [iter]',
arguments: {
iter: {
type: ArgumentType.STRING,
menu: 'iterators',
defaultValue: ""
}
},
},
],
menus: {
iterators: {
acceptReporters: true,
items: this.getIteratorItems()
}
}
};
}

getIteratorItems() {
let items = store.getAllIterators();
if (items.length < 1) return {text: '', value: ''};
return items.map(i => ({
text: i.name,
value: i.id
}))
}

createIterator() {
const pi = prompt("Iterator name?", "default");
if (!pi) return;
if (store.getIteratorByName(pi)) return alert("Iterator name already exists");
store.newIterator(pi);
vm.emitWorkspaceUpdate();
this.serialize();
}

iterGetter(args) {
return store.getIterator(args.iter).value;
}

setFrequency(args) {
store.setCalcValue(args.iter, 'f', args.f);
}

setReaction(args) {
store.setCalcValue(args.iter, 'r', args.r);
}

setZeta(args) {
store.setCalcValue(args.iter, 'zeta', args.z);
}

initializeIterator(args) {
const { iter, f, r, zeta, value } = store.getIterator(args.iter).calc;
const pi = Math.PI;
Object.assign(iter.calc, {
k1: zeta / (pi * f),
k2: 1 / ((2 * pi * f) ** 2),
k3: (r * zeta) / (2 * pi * f),
xp: value,
y: value,
yd: 0
});
}

stepIterator(args) {
const { t, x, iter } = args;
const { xp, k1, k2, k3, y, yd } = store.getIterator(iter).calc;
const xd = (x - xp) / t;
iter.calc.xp = x;
const approx = 1.1 * (((t ** 2) / 4) + ((t * k1) / 2));
if (k2 < approx) iter.calc.k2 = approx;
iter.calc.y += t * yd;
iter.calc.yd += (t * (((x + (k3 * xd)) - y) - (k1 * yd))) / k2;
iter.value = iter.calc.y;
}

setIterator(args) {
const { iter, x } = args;
store.getIterator(iter).value = x;
store.getIterator(iter).calc.y = x;
}

getIteratorFrequency(args) {
return store.getIterator(args.iter).calc.f;
}

getIteratorReaction(args) {
return store.getIterator(args.iter).calc.r;
}

getIteratorZeta(args) {
return store.getIterator(args.iter).calc.zeta;
}
}

module.exports = CarryForwards;
50 changes: 50 additions & 0 deletions src/extensions/silvxrcat_carryforward/iterStore.js
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Original file line number Diff line number Diff line change
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const uid = require('../../util/uid');

class iterStore {
constructor() {
this.iterators = {};
}

getIterator(id) {
return this.iterators[id];
}

deleteIterator(id) {
const o = this.iterators[id];
delete this.iterators[id];
return o;
}

newIterator(name, starter, opt_id) {
starter = starter || 0;
const id = opt_id || uid();
const data = {
name: name,
id: id,
value: starter,
calc: {
f: 1,
r: 1,
zeta: 0.5,
k1: 0,
k2: 0,
k3: 0,
xp: 0,
y: 0,
yd: 0
}
};
this.iterators[id] = data;
return data;
}

getIteratorByName(name) {
return Object.values(this.iterators).find((i) => i.name === name);
}

getAllIterators() {
return Object.values(this.iterators);
}
}

module.exports = iterStore;