48 lines
965 B
JavaScript
48 lines
965 B
JavaScript
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import {Engine, World as MatterWorld} from 'matter-js';
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import {Body} from './body';
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import {AbstractWorld} from '../abstract/world';
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export class World extends AbstractWorld {
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constructor() {
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super();
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const world = MatterWorld.create({
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gravity: {
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x: 0,
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y: 0,
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scale: 0,
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},
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});
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this.engine = Engine.create({
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world,
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});
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this.lastElapsed = undefined;
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}
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addBody(body) {
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MatterWorld.add(this.engine.world, body.matterBody);
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}
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createBody(shape) {
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return new Body(shape);
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}
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removeBody(body) {
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super.removeBody(body);
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MatterWorld.remove(this.engine.world, body);
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}
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tick(elapsed) {
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// Milliseconds.
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elapsed = elapsed * 1000;
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const correction = this.lastElapsed ? elapsed / this.lastElapsed : 1;
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// Update simulation.
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Engine.update(this.engine, elapsed, correction)
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this.lastElapsed = elapsed;
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// Propagate.
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super.tick(elapsed);
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}
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}
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