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feat: shapes

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cha0s 2024-08-01 14:32:20 -05:00
parent 770a63897d
commit 72d114ac74
1 changed files with 13 additions and 0 deletions
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13
app/particles/emitter.js
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@ -1,6 +1,7 @@
import K from 'kefir'; import K from 'kefir';
import * as easings from '@/util/easing.js'; import * as easings from '@/util/easing.js';
import {TAU} from '@/util/math.js';
export default class Emitter { export default class Emitter {
constructor(ecs) { constructor(ecs) {
@ -11,6 +12,18 @@ export default class Emitter {
const allocated = this.ecs.get(await this.ecs.create(entity)); const allocated = this.ecs.get(await this.ecs.create(entity));
if (shape) { if (shape) {
switch (shape.type) { switch (shape.type) {
case 'circle': {
const r = Math.random() * TAU;
allocated.Position.x += Math.cos(r) * shape.payload.radius;
allocated.Position.y += Math.sin(r) * shape.payload.radius;
break;
}
case 'filledCircle': {
const r = Math.random() * TAU;
allocated.Position.x += Math.cos(r) * Math.random() * shape.payload.radius;
allocated.Position.y += Math.sin(r) * Math.random() * shape.payload.radius;
break;
}
case 'filledRect': { case 'filledRect': {
allocated.Position.x += Math.random() * shape.payload.width - (shape.payload.width / 2); allocated.Position.x += Math.random() * shape.payload.width - (shape.payload.width / 2);
allocated.Position.y += Math.random() * shape.payload.height - (shape.payload.height / 2); allocated.Position.y += Math.random() * shape.payload.height - (shape.payload.height / 2);