@tsparticles/updater-rotate/browser/RotateUpdater.js

tsParticles particles rotate updater

import { AnimationStatus, DestroyType, RotateDirection, degToRad, getRandom, getRangeValue, updateAnimation, } from "@tsparticles/engine";
import { Rotate } from "./Options/Classes/Rotate.js";
const double = 2, doublePI = Math.PI * double, identity = 1, doublePIDeg = 360;
export class RotateUpdater {
    constructor(container) {
        this.container = container;
    }
    init(particle) {
        const rotateOptions = particle.options.rotate;
        if (!rotateOptions) {
            return;
        }
        particle.rotate = {
            enable: rotateOptions.animation.enable,
            value: degToRad(getRangeValue(rotateOptions.value)),
            min: 0,
            max: doublePI,
        };
        particle.pathRotation = rotateOptions.path;
        let rotateDirection = rotateOptions.direction;
        if (rotateDirection === RotateDirection.random) {
            const index = Math.floor(getRandom() * double), minIndex = 0;
            rotateDirection = index > minIndex ? RotateDirection.counterClockwise : RotateDirection.clockwise;
        }
        switch (rotateDirection) {
            case RotateDirection.counterClockwise:
            case "counterClockwise":
                particle.rotate.status = AnimationStatus.decreasing;
                break;
            case RotateDirection.clockwise:
                particle.rotate.status = AnimationStatus.increasing;
                break;
        }
        const rotateAnimation = rotateOptions.animation;
        if (rotateAnimation.enable) {
            particle.rotate.decay = identity - getRangeValue(rotateAnimation.decay);
            particle.rotate.velocity =
                (getRangeValue(rotateAnimation.speed) / doublePIDeg) * this.container.retina.reduceFactor;
            if (!rotateAnimation.sync) {
                particle.rotate.velocity *= getRandom();
            }
        }
        particle.rotation = particle.rotate.value;
    }
    isEnabled(particle) {
        const rotate = particle.options.rotate;
        if (!rotate) {
            return false;
        }
        return !particle.destroyed && !particle.spawning && (!!rotate.value || rotate.animation.enable || rotate.path);
    }
    loadOptions(options, ...sources) {
        if (!options.rotate) {
            options.rotate = new Rotate();
        }
        for (const source of sources) {
            options.rotate.load(source?.rotate);
        }
    }
    update(particle, delta) {
        if (!this.isEnabled(particle)) {
            return;
        }
        particle.isRotating = !!particle.rotate;
        if (!particle.rotate) {
            return;
        }
        updateAnimation(particle, particle.rotate, false, DestroyType.none, delta);
        particle.rotation = particle.rotate.value;
    }
}