@tsparticles/updater-tilt
Version:
tsParticles particles tilt updater
77 lines (76 loc) • 3.23 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.TiltUpdater = void 0;
const engine_1 = require("@tsparticles/engine");
const Tilt_js_1 = require("./Options/Classes/Tilt.js");
const TiltDirection_js_1 = require("./TiltDirection.js");
const identity = 1, double = 2, doublePI = Math.PI * double, maxAngle = 360;
class TiltUpdater {
constructor(container) {
this.container = container;
}
getTransformValues(particle) {
const tilt = particle.tilt?.enable && particle.tilt;
return {
b: tilt ? Math.cos(tilt.value) * tilt.cosDirection : undefined,
c: tilt ? Math.sin(tilt.value) * tilt.sinDirection : undefined,
};
}
init(particle) {
const tiltOptions = particle.options.tilt;
if (!tiltOptions) {
return;
}
particle.tilt = {
enable: tiltOptions.enable,
value: (0, engine_1.degToRad)((0, engine_1.getRangeValue)(tiltOptions.value)),
sinDirection: (0, engine_1.getRandom)() >= engine_1.half ? identity : -identity,
cosDirection: (0, engine_1.getRandom)() >= engine_1.half ? identity : -identity,
min: 0,
max: doublePI,
};
let tiltDirection = tiltOptions.direction;
if (tiltDirection === TiltDirection_js_1.TiltDirection.random) {
const index = Math.floor((0, engine_1.getRandom)() * double), minIndex = 0;
tiltDirection = index > minIndex ? TiltDirection_js_1.TiltDirection.counterClockwise : TiltDirection_js_1.TiltDirection.clockwise;
}
switch (tiltDirection) {
case TiltDirection_js_1.TiltDirection.counterClockwise:
case "counterClockwise":
particle.tilt.status = engine_1.AnimationStatus.decreasing;
break;
case TiltDirection_js_1.TiltDirection.clockwise:
particle.tilt.status = engine_1.AnimationStatus.increasing;
break;
}
const tiltAnimation = particle.options.tilt?.animation;
if (tiltAnimation?.enable) {
particle.tilt.decay = identity - (0, engine_1.getRangeValue)(tiltAnimation.decay);
particle.tilt.velocity =
((0, engine_1.getRangeValue)(tiltAnimation.speed) / maxAngle) * this.container.retina.reduceFactor;
if (!tiltAnimation.sync) {
particle.tilt.velocity *= (0, engine_1.getRandom)();
}
}
}
isEnabled(particle) {
const tiltAnimation = particle.options.tilt?.animation;
return !particle.destroyed && !particle.spawning && !!tiltAnimation?.enable;
}
loadOptions(options, ...sources) {
if (!options.tilt) {
options.tilt = new Tilt_js_1.Tilt();
}
for (const source of sources) {
options.tilt.load(source?.tilt);
}
}
async update(particle, delta) {
if (!this.isEnabled(particle) || !particle.tilt) {
return;
}
(0, engine_1.updateAnimation)(particle, particle.tilt, false, engine_1.DestroyType.none, delta);
await Promise.resolve();
}
}
exports.TiltUpdater = TiltUpdater;