tsparticles/esm/Updaters/Angle/AngleUpdater.js

Easily create highly customizable particle, confetti and fireworks animations and use them as animated backgrounds for your website. Ready to use components available also for React, Vue.js (2.x and 3.x), Angular, Svelte, jQuery, Preact, Riot.js, Inferno.

import { getRangeValue } from "../../Utils";
function updateAngle(particle, delta) {
    var _a;
    const rotate = particle.rotate;
    if (!rotate) {
        return;
    }
    const rotateOptions = particle.options.rotate;
    const rotateAnimation = rotateOptions.animation;
    const speed = ((_a = rotate.velocity) !== null && _a !== void 0 ? _a : 0) * delta.factor;
    const max = 2 * Math.PI;
    if (!rotateAnimation.enable) {
        return;
    }
    switch (rotate.status) {
        case 0:
            rotate.value += speed;
            if (rotate.value > max) {
                rotate.value -= max;
            }
            break;
        case 1:
        default:
            rotate.value -= speed;
            if (rotate.value < 0) {
                rotate.value += max;
            }
            break;
    }
}
export class AngleUpdater {
    constructor(container) {
        this.container = container;
    }
    init(particle) {
        const rotateOptions = particle.options.rotate;
        particle.rotate = {
            enable: rotateOptions.animation.enable,
            value: (getRangeValue(rotateOptions.value) * Math.PI) / 180,
        };
        let rotateDirection = rotateOptions.direction;
        if (rotateDirection === "random") {
            const index = Math.floor(Math.random() * 2);
            rotateDirection = index > 0 ? "counter-clockwise" : "clockwise";
        }
        switch (rotateDirection) {
            case "counter-clockwise":
            case "counterClockwise":
                particle.rotate.status = 1;
                break;
            case "clockwise":
                particle.rotate.status = 0;
                break;
        }
        const rotateAnimation = particle.options.rotate.animation;
        if (rotateAnimation.enable) {
            particle.rotate.velocity =
                (getRangeValue(rotateAnimation.speed) / 360) * this.container.retina.reduceFactor;
            if (!rotateAnimation.sync) {
                particle.rotate.velocity *= Math.random();
            }
        }
    }
    isEnabled(particle) {
        const rotate = particle.options.rotate;
        const rotateAnimation = rotate.animation;
        return !particle.destroyed && !particle.spawning && !rotate.path && rotateAnimation.enable;
    }
    update(particle, delta) {
        if (!this.isEnabled(particle)) {
            return;
        }
        updateAngle(particle, delta);
    }
}