tsparticles/umd/Updaters/Roll/RollUpdater.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.

(function (factory) {
    if (typeof module === "object" && typeof module.exports === "object") {
        var v = factory(require, exports);
        if (v !== undefined) module.exports = v;
    }
    else if (typeof define === "function" && define.amd) {
        define(["require", "exports", "../../Utils"], factory);
    }
})(function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    exports.RollUpdater = void 0;
    const Utils_1 = require("../../Utils");
    function updateRoll(particle, delta) {
        const roll = particle.options.roll;
        if (!particle.roll || !roll.enable) {
            return;
        }
        const speed = particle.roll.speed * delta.factor;
        const max = 2 * Math.PI;
        particle.roll.angle += speed;
        if (particle.roll.angle > max) {
            particle.roll.angle -= max;
        }
    }
    class RollUpdater {
        init(particle) {
            const rollOpt = particle.options.roll;
            if (rollOpt.enable) {
                particle.roll = {
                    angle: Math.random() * Math.PI * 2,
                    speed: (0, Utils_1.getRangeValue)(rollOpt.speed) / 360,
                };
                if (rollOpt.backColor) {
                    particle.backColor = (0, Utils_1.colorToHsl)(rollOpt.backColor);
                }
                else if (rollOpt.darken.enable && rollOpt.enlighten.enable) {
                    const alterType = Math.random() >= 0.5 ? "darken" : "enlighten";
                    particle.roll.alter = {
                        type: alterType,
                        value: (0, Utils_1.getRangeValue)(alterType === "darken" ? rollOpt.darken.value : rollOpt.enlighten.value),
                    };
                }
                else if (rollOpt.darken.enable) {
                    particle.roll.alter = {
                        type: "darken",
                        value: (0, Utils_1.getRangeValue)(rollOpt.darken.value),
                    };
                }
                else if (rollOpt.enlighten.enable) {
                    particle.roll.alter = {
                        type: "enlighten",
                        value: (0, Utils_1.getRangeValue)(rollOpt.enlighten.value),
                    };
                }
            }
            else {
                particle.roll = { angle: 0, speed: 0 };
            }
        }
        isEnabled(particle) {
            const roll = particle.options.roll;
            return !particle.destroyed && !particle.spawning && roll.enable;
        }
        update(particle, delta) {
            if (!this.isEnabled(particle)) {
                return;
            }
            updateRoll(particle, delta);
        }
    }
    exports.RollUpdater = RollUpdater;
});