| 1 | import { animate, cancelAnimation } from "../Utils/Utils";
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| 2 | import { Canvas } from "./Canvas";
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| 3 | import { EventListeners } from "./Utils/EventListeners";
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| 4 | import { FrameManager } from "./Utils/FrameManager";
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| 5 | import { Options } from "../Options/Classes/Options";
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| 6 | import { Particles } from "./Particles";
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| 7 | import { Retina } from "./Retina";
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| 8 | import { getRangeValue } from "../Utils/NumberUtils";
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| 9 | import { loadOptions } from "../Utils/OptionsUtils";
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| 10 | function guardCheck(container) {
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| 11 | return container && !container.destroyed;
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| 12 | }
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| 13 | function loadContainerOptions(engine, container, ...sourceOptionsArr) {
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| 14 | const options = new Options(engine, container);
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| 15 | loadOptions(options, ...sourceOptionsArr);
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| 16 | return options;
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| 17 | }
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| 18 | const defaultPathGeneratorKey = "default", defaultPathGenerator = {
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| 19 | generate: (p) => {
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| 20 | const v = p.velocity.copy();
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| 21 | v.angle += (v.length * Math.PI) / 180;
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| 22 | return v;
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| 23 | },
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| 24 | init: () => {
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| 25 | },
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| 26 | update: () => {
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| 27 | },
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| 28 | reset: () => {
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| 29 | },
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| 30 | };
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| 31 | export class Container {
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| 32 | constructor(engine, id, sourceOptions) {
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| 33 | this.id = id;
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| 34 | this._engine = engine;
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| 35 | this.fpsLimit = 120;
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| 36 | this.smooth = false;
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| 37 | this._delay = 0;
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| 38 | this.duration = 0;
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| 39 | this.lifeTime = 0;
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| 40 | this._firstStart = true;
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| 41 | this.started = false;
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| 42 | this.destroyed = false;
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| 43 | this._paused = true;
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| 44 | this.lastFrameTime = 0;
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| 45 | this.zLayers = 100;
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| 46 | this.pageHidden = false;
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| 47 | this._sourceOptions = sourceOptions;
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| 48 | this._initialSourceOptions = sourceOptions;
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| 49 | this.retina = new Retina(this);
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| 50 | this.canvas = new Canvas(this);
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| 51 | this.particles = new Particles(this._engine, this);
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| 52 | this.frameManager = new FrameManager(this);
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| 53 | this.pathGenerators = new Map();
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| 54 | this.interactivity = {
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| 55 | mouse: {
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| 56 | clicking: false,
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| 57 | inside: false,
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| 58 | },
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| 59 | };
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| 60 | this.plugins = new Map();
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| 61 | this.drawers = new Map();
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| 62 | this._options = loadContainerOptions(this._engine, this);
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| 63 | this.actualOptions = loadContainerOptions(this._engine, this);
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| 64 | this._eventListeners = new EventListeners(this);
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| 65 | if (typeof IntersectionObserver !== "undefined" && IntersectionObserver) {
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| 66 | this._intersectionObserver = new IntersectionObserver((entries) => this._intersectionManager(entries));
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| 67 | }
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| 68 | this._engine.dispatchEvent("containerBuilt", { container: this });
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| 69 | }
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| 70 | get options() {
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| 71 | return this._options;
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| 72 | }
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| 73 | get sourceOptions() {
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| 74 | return this._sourceOptions;
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| 75 | }
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| 76 | addClickHandler(callback) {
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| 77 | if (!guardCheck(this)) {
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| 78 | return;
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| 79 | }
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| 80 | const el = this.interactivity.element;
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| 81 | if (!el) {
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| 82 | return;
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| 83 | }
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| 84 | const clickOrTouchHandler = (e, pos, radius) => {
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| 85 | if (!guardCheck(this)) {
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| 86 | return;
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| 87 | }
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| 88 | const pxRatio = this.retina.pixelRatio, posRetina = {
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| 89 | x: pos.x * pxRatio,
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| 90 | y: pos.y * pxRatio,
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| 91 | }, particles = this.particles.quadTree.queryCircle(posRetina, radius * pxRatio);
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| 92 | callback(e, particles);
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| 93 | };
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| 94 | const clickHandler = (e) => {
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| 95 | if (!guardCheck(this)) {
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| 96 | return;
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| 97 | }
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| 98 | const mouseEvent = e, pos = {
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| 99 | x: mouseEvent.offsetX || mouseEvent.clientX,
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| 100 | y: mouseEvent.offsetY || mouseEvent.clientY,
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| 101 | };
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| 102 | clickOrTouchHandler(e, pos, 1);
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| 103 | };
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| 104 | const touchStartHandler = () => {
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| 105 | if (!guardCheck(this)) {
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| 106 | return;
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| 107 | }
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| 108 | touched = true;
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| 109 | touchMoved = false;
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| 110 | };
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| 111 | const touchMoveHandler = () => {
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| 112 | if (!guardCheck(this)) {
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| 113 | return;
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| 114 | }
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| 115 | touchMoved = true;
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| 116 | };
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| 117 | const touchEndHandler = (e) => {
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| 118 | if (!guardCheck(this)) {
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| 119 | return;
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| 120 | }
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| 121 | if (touched && !touchMoved) {
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| 122 | const touchEvent = e;
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| 123 | let lastTouch = touchEvent.touches[touchEvent.touches.length - 1];
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| 124 | if (!lastTouch) {
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| 125 | lastTouch = touchEvent.changedTouches[touchEvent.changedTouches.length - 1];
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| 126 | if (!lastTouch) {
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| 127 | return;
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| 128 | }
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| 129 | }
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| 130 | const element = this.canvas.element, canvasRect = element ? element.getBoundingClientRect() : undefined, pos = {
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| 131 | x: lastTouch.clientX - (canvasRect ? canvasRect.left : 0),
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| 132 | y: lastTouch.clientY - (canvasRect ? canvasRect.top : 0),
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| 133 | };
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| 134 | clickOrTouchHandler(e, pos, Math.max(lastTouch.radiusX, lastTouch.radiusY));
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| 135 | }
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| 136 | touched = false;
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| 137 | touchMoved = false;
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| 138 | };
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| 139 | const touchCancelHandler = () => {
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| 140 | if (!guardCheck(this)) {
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| 141 | return;
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| 142 | }
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| 143 | touched = false;
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| 144 | touchMoved = false;
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| 145 | };
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| 146 | let touched = false, touchMoved = false;
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| 147 | el.addEventListener("click", clickHandler);
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| 148 | el.addEventListener("touchstart", touchStartHandler);
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| 149 | el.addEventListener("touchmove", touchMoveHandler);
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| 150 | el.addEventListener("touchend", touchEndHandler);
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| 151 | el.addEventListener("touchcancel", touchCancelHandler);
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| 152 | }
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| 153 | addPath(key, generator, override = false) {
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| 154 | if (!guardCheck(this) || (!override && this.pathGenerators.has(key))) {
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| 155 | return false;
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| 156 | }
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| 157 | this.pathGenerators.set(key, generator !== null && generator !== void 0 ? generator : defaultPathGenerator);
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| 158 | return true;
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| 159 | }
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| 160 | destroy() {
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| 161 | if (!guardCheck(this)) {
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| 162 | return;
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| 163 | }
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| 164 | this.stop();
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| 165 | this.particles.destroy();
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| 166 | this.canvas.destroy();
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| 167 | for (const [, drawer] of this.drawers) {
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| 168 | if (drawer.destroy) {
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| 169 | drawer.destroy(this);
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| 170 | }
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| 171 | }
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| 172 | for (const key of this.drawers.keys()) {
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| 173 | this.drawers.delete(key);
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| 174 | }
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| 175 | this._engine.plugins.destroy(this);
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| 176 | this.destroyed = true;
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| 177 | const mainArr = this._engine.dom(), idx = mainArr.findIndex((t) => t === this);
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| 178 | if (idx >= 0) {
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| 179 | mainArr.splice(idx, 1);
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| 180 | }
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| 181 | this._engine.dispatchEvent("containerDestroyed", { container: this });
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| 182 | }
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| 183 | draw(force) {
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| 184 | if (!guardCheck(this)) {
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| 185 | return;
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| 186 | }
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| 187 | let refreshTime = force;
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| 188 | this._drawAnimationFrame = animate()(async (timestamp) => {
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| 189 | if (refreshTime) {
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| 190 | this.lastFrameTime = undefined;
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| 191 | refreshTime = false;
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| 192 | }
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| 193 | await this.frameManager.nextFrame(timestamp);
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| 194 | });
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| 195 | }
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| 196 | exportConfiguration() {
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| 197 | return JSON.stringify(this.actualOptions, (key, value) => {
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| 198 | if (key === "_engine" || key === "_container") {
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| 199 | return;
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| 200 | }
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| 201 | return value;
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| 202 | }, 2);
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| 203 | }
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| 204 | exportImage(callback, type, quality) {
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| 205 | const element = this.canvas.element;
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| 206 | if (element) {
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| 207 | element.toBlob(callback, type !== null && type !== void 0 ? type : "image/png", quality);
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| 208 | }
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| 209 | }
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| 210 | exportImg(callback) {
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| 211 | this.exportImage(callback);
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| 212 | }
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| 213 | getAnimationStatus() {
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| 214 | return !this._paused && !this.pageHidden && guardCheck(this);
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| 215 | }
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| 216 | handleClickMode(mode) {
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| 217 | if (!guardCheck(this)) {
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| 218 | return;
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| 219 | }
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| 220 | this.particles.handleClickMode(mode);
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| 221 | for (const [, plugin] of this.plugins) {
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| 222 | if (plugin.handleClickMode) {
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| 223 | plugin.handleClickMode(mode);
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| 224 | }
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| 225 | }
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| 226 | }
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| 227 | async init() {
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| 228 | if (!guardCheck(this)) {
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| 229 | return;
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| 230 | }
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| 231 | const shapes = this._engine.plugins.getSupportedShapes();
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| 232 | for (const type of shapes) {
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| 233 | const drawer = this._engine.plugins.getShapeDrawer(type);
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| 234 | if (drawer) {
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| 235 | this.drawers.set(type, drawer);
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| 236 | }
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| 237 | }
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| 238 | this._options = loadContainerOptions(this._engine, this, this._initialSourceOptions, this.sourceOptions);
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| 239 | this.actualOptions = loadContainerOptions(this._engine, this, this._options);
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| 240 | const availablePlugins = this._engine.plugins.getAvailablePlugins(this);
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| 241 | for (const [id, plugin] of availablePlugins) {
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| 242 | this.plugins.set(id, plugin);
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| 243 | }
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| 244 | this.retina.init();
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| 245 | await this.canvas.init();
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| 246 | this.updateActualOptions();
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| 247 | this.canvas.initBackground();
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| 248 | this.canvas.resize();
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| 249 | this.zLayers = this.actualOptions.zLayers;
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| 250 | this.duration = getRangeValue(this.actualOptions.duration) * 1000;
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| 251 | this._delay = getRangeValue(this.actualOptions.delay) * 1000;
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| 252 | this.lifeTime = 0;
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| 253 | this.fpsLimit = this.actualOptions.fpsLimit > 0 ? this.actualOptions.fpsLimit : 120;
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| 254 | this.smooth = this.actualOptions.smooth;
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| 255 | for (const [, drawer] of this.drawers) {
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| 256 | if (drawer.init) {
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| 257 | await drawer.init(this);
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| 258 | }
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| 259 | }
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| 260 | for (const [, plugin] of this.plugins) {
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| 261 | if (plugin.init) {
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| 262 | await plugin.init();
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| 263 | }
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| 264 | }
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| 265 | this._engine.dispatchEvent("containerInit", { container: this });
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| 266 | this.particles.init();
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| 267 | this.particles.setDensity();
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| 268 | for (const [, plugin] of this.plugins) {
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| 269 | if (plugin.particlesSetup) {
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| 270 | plugin.particlesSetup();
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| 271 | }
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| 272 | }
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| 273 | this._engine.dispatchEvent("particlesSetup", { container: this });
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| 274 | }
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| 275 | async loadTheme(name) {
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| 276 | if (!guardCheck(this)) {
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| 277 | return;
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| 278 | }
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| 279 | this._currentTheme = name;
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| 280 | await this.refresh();
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| 281 | }
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| 282 | pause() {
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| 283 | if (!guardCheck(this)) {
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| 284 | return;
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| 285 | }
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| 286 | if (this._drawAnimationFrame !== undefined) {
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| 287 | cancelAnimation()(this._drawAnimationFrame);
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| 288 | delete this._drawAnimationFrame;
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| 289 | }
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| 290 | if (this._paused) {
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| 291 | return;
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| 292 | }
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| 293 | for (const [, plugin] of this.plugins) {
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| 294 | if (plugin.pause) {
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| 295 | plugin.pause();
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| 296 | }
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| 297 | }
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| 298 | if (!this.pageHidden) {
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| 299 | this._paused = true;
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| 300 | }
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| 301 | this._engine.dispatchEvent("containerPaused", { container: this });
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| 302 | }
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| 303 | play(force) {
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| 304 | if (!guardCheck(this)) {
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| 305 | return;
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| 306 | }
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| 307 | const needsUpdate = this._paused || force;
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| 308 | if (this._firstStart && !this.actualOptions.autoPlay) {
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| 309 | this._firstStart = false;
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| 310 | return;
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| 311 | }
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| 312 | if (this._paused) {
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| 313 | this._paused = false;
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| 314 | }
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| 315 | if (needsUpdate) {
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| 316 | for (const [, plugin] of this.plugins) {
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| 317 | if (plugin.play) {
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| 318 | plugin.play();
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| 319 | }
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| 320 | }
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| 321 | }
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| 322 | this._engine.dispatchEvent("containerPlay", { container: this });
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| 323 | this.draw(needsUpdate || false);
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| 324 | }
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| 325 | async refresh() {
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| 326 | if (!guardCheck(this)) {
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| 327 | return;
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| 328 | }
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| 329 | this.stop();
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| 330 | return this.start();
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| 331 | }
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| 332 | async reset() {
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| 333 | if (!guardCheck(this)) {
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| 334 | return;
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| 335 | }
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| 336 | this._options = loadContainerOptions(this._engine, this);
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| 337 | return this.refresh();
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| 338 | }
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| 339 | setNoise(noiseOrGenerator, init, update) {
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| 340 | if (!guardCheck(this)) {
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| 341 | return;
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| 342 | }
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| 343 | this.setPath(noiseOrGenerator, init, update);
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| 344 | }
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| 345 | setPath(pathOrGenerator, init, update) {
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| 346 | if (!pathOrGenerator || !guardCheck(this)) {
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| 347 | return;
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| 348 | }
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| 349 | const pathGenerator = Object.assign({}, defaultPathGenerator);
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| 350 | if (typeof pathOrGenerator === "function") {
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| 351 | pathGenerator.generate = pathOrGenerator;
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| 352 | if (init) {
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| 353 | pathGenerator.init = init;
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| 354 | }
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| 355 | if (update) {
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| 356 | pathGenerator.update = update;
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| 357 | }
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| 358 | }
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| 359 | else {
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| 360 | const oldGenerator = pathGenerator;
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| 361 | pathGenerator.generate = pathOrGenerator.generate || oldGenerator.generate;
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| 362 | pathGenerator.init = pathOrGenerator.init || oldGenerator.init;
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| 363 | pathGenerator.update = pathOrGenerator.update || oldGenerator.update;
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| 364 | }
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| 365 | this.addPath(defaultPathGeneratorKey, pathGenerator, true);
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| 366 | }
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| 367 | async start() {
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| 368 | if (!guardCheck(this) || this.started) {
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| 369 | return;
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| 370 | }
|
| 371 | await this.init();
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| 372 | this.started = true;
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| 373 | await new Promise((resolve) => {
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| 374 | this._delayTimeout = setTimeout(async () => {
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| 375 | this._eventListeners.addListeners();
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| 376 | if (this.interactivity.element instanceof HTMLElement && this._intersectionObserver) {
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| 377 | this._intersectionObserver.observe(this.interactivity.element);
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| 378 | }
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| 379 | for (const [, plugin] of this.plugins) {
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| 380 | if (plugin.start) {
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| 381 | await plugin.start();
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| 382 | }
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| 383 | }
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| 384 | this._engine.dispatchEvent("containerStarted", { container: this });
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| 385 | this.play();
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| 386 | resolve();
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| 387 | }, this._delay);
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| 388 | });
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| 389 | }
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| 390 | stop() {
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| 391 | if (!guardCheck(this) || !this.started) {
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| 392 | return;
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| 393 | }
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| 394 | if (this._delayTimeout) {
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| 395 | clearTimeout(this._delayTimeout);
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| 396 | delete this._delayTimeout;
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| 397 | }
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| 398 | this._firstStart = true;
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| 399 | this.started = false;
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| 400 | this._eventListeners.removeListeners();
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| 401 | this.pause();
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| 402 | this.particles.clear();
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| 403 | this.canvas.clear();
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| 404 | if (this.interactivity.element instanceof HTMLElement && this._intersectionObserver) {
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| 405 | this._intersectionObserver.unobserve(this.interactivity.element);
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| 406 | }
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| 407 | for (const [, plugin] of this.plugins) {
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| 408 | if (plugin.stop) {
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| 409 | plugin.stop();
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| 410 | }
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| 411 | }
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| 412 | for (const key of this.plugins.keys()) {
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| 413 | this.plugins.delete(key);
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| 414 | }
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| 415 | this._sourceOptions = this._options;
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| 416 | this._engine.dispatchEvent("containerStopped", { container: this });
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| 417 | }
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| 418 | updateActualOptions() {
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| 419 | this.actualOptions.responsive = [];
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| 420 | const newMaxWidth = this.actualOptions.setResponsive(this.canvas.size.width, this.retina.pixelRatio, this._options);
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| 421 | this.actualOptions.setTheme(this._currentTheme);
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| 422 | if (this.responsiveMaxWidth === newMaxWidth) {
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| 423 | return false;
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| 424 | }
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| 425 | this.responsiveMaxWidth = newMaxWidth;
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| 426 | return true;
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| 427 | }
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| 428 | _intersectionManager(entries) {
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| 429 | if (!guardCheck(this) || !this.actualOptions.pauseOnOutsideViewport) {
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| 430 | return;
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| 431 | }
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| 432 | for (const entry of entries) {
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| 433 | if (entry.target !== this.interactivity.element) {
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| 434 | continue;
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| 435 | }
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| 436 | (entry.isIntersecting ? this.play : this.pause)();
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| 437 | }
|
| 438 | }
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| 439 | }
|