66 lines
1.2 KiB
JavaScript
66 lines
1.2 KiB
JavaScript
import {compose} from '@avocado/core';
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import {Trait} from '@avocado/entity';
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import {Property} from '@avocado/mixins';
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const decorate = compose(
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)
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export class Emitter extends decorate(Trait) {
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initialize() {
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this.emitters = {};
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}
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hooks() {
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return {
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afterDestructionTickers: () => {
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return (elapsed) => {
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for (const key in this.emitters) {
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const emitter = this.emitters[key];
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emitter.tick(elapsed);
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if (!emitter.hasParticles()) {
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delete this.emitters[key];
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}
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}
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return 0 === Object.keys(this.emitters).length;
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};
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},
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}
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}
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methods() {
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return {
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addEmitter: (key, emitter) => {
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this.emitters[key] = emitter;
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},
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addEmitterRenderer: (key, renderer) => {
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if (!this.emitters[key]) {
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return;
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}
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this.emitters[key].addRenderer(renderer);
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},
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emitParticle: (key, ...args) => {
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if (!this.emitters[key]) {
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return;
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}
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this.emitters[key].emit(...args);
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},
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}
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}
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tick(elapsed) {
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for (const key in this.emitters) {
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const emitter = this.emitters[key];
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emitter.tick(elapsed);
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}
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}
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}
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