| 1 | import { getRangeValue } from "../../Utils";
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| 2 | function updateWobble(particle, delta) {
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| 3 | var _a;
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| 4 | const wobble = particle.options.wobble;
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| 5 | if (!wobble.enable || !particle.wobble) {
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| 6 | return;
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| 7 | }
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| 8 | const speed = particle.wobble.speed * delta.factor;
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| 9 | const distance = (((_a = particle.retina.wobbleDistance) !== null && _a !== void 0 ? _a : 0) * delta.factor) / (1000 / 60);
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| 10 | const max = 2 * Math.PI;
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| 11 | particle.wobble.angle += speed;
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| 12 | if (particle.wobble.angle > max) {
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| 13 | particle.wobble.angle -= max;
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| 14 | }
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| 15 | particle.position.x += distance * Math.cos(particle.wobble.angle);
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| 16 | particle.position.y += distance * Math.abs(Math.sin(particle.wobble.angle));
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| 17 | }
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| 18 | export class WobbleUpdater {
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| 19 | constructor(container) {
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| 20 | this.container = container;
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| 21 | }
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| 22 | init(particle) {
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| 23 | const wobbleOpt = particle.options.wobble;
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| 24 | if (wobbleOpt.enable) {
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| 25 | particle.wobble = {
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| 26 | angle: Math.random() * Math.PI * 2,
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| 27 | speed: getRangeValue(wobbleOpt.speed) / 360,
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| 28 | };
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| 29 | }
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| 30 | else {
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| 31 | particle.wobble = {
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| 32 | angle: 0,
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| 33 | speed: 0,
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| 34 | };
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| 35 | }
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| 36 | particle.retina.wobbleDistance = getRangeValue(wobbleOpt.distance) * this.container.retina.pixelRatio;
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| 37 | }
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| 38 | isEnabled(particle) {
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| 39 | return !particle.destroyed && !particle.spawning && particle.options.wobble.enable;
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| 40 | }
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| 41 | update(particle, delta) {
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| 42 | if (!this.isEnabled(particle)) {
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| 43 | return;
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| 44 | }
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| 45 | updateWobble(particle, delta);
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| 46 | }
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| 47 | }
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