@tsparticles/interaction-external-repulse
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tsParticles repulse external interaction
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JavaScript
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/* External Interaction v4.3.2 */
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@tsparticles/plugin-interactivity'), require('@tsparticles/engine')) :
typeof define === 'function' && define.amd ? define(['exports', '@tsparticles/plugin-interactivity', '@tsparticles/engine'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory((global.__tsParticlesInternals = global.__tsParticlesInternals || {}, global.__tsParticlesInternals.interactions = global.__tsParticlesInternals.interactions || {}, global.__tsParticlesInternals.interactions.externalRepulse = global.__tsParticlesInternals.interactions.externalRepulse || {}), global.__tsParticlesInternals.plugins.interactivity, global.__tsParticlesInternals.engine));
})(this, (function (exports, pluginInteractivity, engine) { 'use strict';
class RepulseBase {
distance = 200;
duration = 0.4;
easing = "ease-out-quad";
factor = 100;
maxSpeed = 50;
restore;
speed = 1;
constructor() {
this.restore = {
enable: false,
delay: 0,
speed: 0.08,
follow: true,
};
}
load(data) {
if (engine.isNull(data)) {
return;
}
engine.loadProperty(this, "distance", data.distance);
engine.loadProperty(this, "duration", data.duration);
engine.loadProperty(this, "easing", data.easing);
engine.loadProperty(this, "factor", data.factor);
engine.loadProperty(this, "speed", data.speed);
engine.loadProperty(this, "maxSpeed", data.maxSpeed);
if (data.restore !== undefined) {
this.restore.enable = data.restore.enable ?? this.restore.enable;
this.restore.delay = data.restore.delay ?? this.restore.delay;
this.restore.speed = data.restore.speed ?? this.restore.speed;
this.restore.follow = data.restore.follow ?? this.restore.follow;
}
}
}
class RepulseDiv extends RepulseBase {
selectors = [];
load(data) {
super.load(data);
if (engine.isNull(data)) {
return;
}
engine.loadProperty(this, "selectors", data.selectors);
}
}
class Repulse extends RepulseBase {
divs;
load(data) {
super.load(data);
if (engine.isNull(data)) {
return;
}
this.divs = engine.executeOnSingleOrMultiple(data.divs, div => {
const tmp = new RepulseDiv();
tmp.load(div);
return tmp;
});
}
}
const repulseMode = "repulse", minDistance = 0, repulseRadiusFactor = 6, repulseRadiusPower = 3, squarePower = 2, minRadius = 0, minSpeed = 0, easingOffset = 1, minRestoreSpeed = 0.001, maxRestoreSpeed = 1, restoreEpsilon = 0.5;
class Repulser extends pluginInteractivity.ExternalInteractorBase {
handleClickMode;
#clickVec;
#interactedThisFrame;
#maxDistance;
#normVec;
#pluginManager;
#restoreData;
constructor(pluginManager, container) {
super(container);
this.#pluginManager = pluginManager;
this.#maxDistance = 0;
this.#normVec = engine.Vector.origin;
this.#interactedThisFrame = new Set();
this.#clickVec = engine.Vector.origin;
this.#restoreData = new Map();
container.repulse ??= { particles: [] };
this.handleClickMode = (mode, interactivityData) => {
const options = this.container.actualOptions, repulseOpts = options.interactivity?.modes.repulse;
if (!repulseOpts || mode !== repulseMode) {
return;
}
container.repulse ??= { particles: [] };
const repulse = container.repulse;
repulse.clicking = true;
repulse.count = 0;
for (const particle of container.repulse.particles) {
if (!this.isEnabled(interactivityData, particle)) {
continue;
}
particle.velocity.setTo(particle.initialVelocity);
}
repulse.particles = [];
repulse.finish = false;
setTimeout(() => {
if (container.destroyed) {
return;
}
repulse.clicking = false;
}, repulseOpts.duration * engine.millisecondsToSeconds);
};
}
get maxDistance() {
return this.#maxDistance;
}
clear() {
}
init() {
const container = this.container, repulse = container.actualOptions.interactivity?.modes.repulse;
if (!repulse) {
return;
}
this.#maxDistance = repulse.distance;
container.retina.repulseModeDistance = repulse.distance * container.retina.pixelRatio;
}
interact(interactivityData) {
this.#interactedThisFrame.clear();
const container = this.container, options = container.actualOptions, mouseMoveStatus = interactivityData.status === pluginInteractivity.mouseMoveEvent, events = options.interactivity?.events;
if (!events) {
return;
}
const hover = events.onHover, hoverEnabled = hover.enable, hoverMode = hover.mode, click = events.onClick, clickEnabled = click.enable, clickMode = click.mode, divs = events.onDiv;
if (mouseMoveStatus && hoverEnabled && engine.isInArray(repulseMode, hoverMode)) {
this.#hoverRepulse(interactivityData);
}
else if (clickEnabled && engine.isInArray(repulseMode, clickMode)) {
this.#clickRepulse(interactivityData);
}
else {
pluginInteractivity.divModeExecute(repulseMode, divs, (selector, div) => {
this.#singleSelectorRepulse(interactivityData, selector, div);
});
}
this.#restoreParticles();
}
isEnabled(interactivityData, particle) {
const container = this.container, options = container.actualOptions, mouse = interactivityData.mouse, events = (particle?.interactivity ?? options.interactivity)?.events;
if (!events) {
return false;
}
const divs = events.onDiv, hover = events.onHover, click = events.onClick, divRepulse = pluginInteractivity.isDivModeEnabled(repulseMode, divs);
if (!(divRepulse || (hover.enable && !!mouse.position) || (click.enable && mouse.clickPosition))) {
return false;
}
const hoverMode = hover.mode, clickMode = click.mode;
return engine.isInArray(repulseMode, hoverMode) || engine.isInArray(repulseMode, clickMode) || divRepulse;
}
loadModeOptions(options, ...sources) {
engine.loadOptionProperty(options, "repulse", Repulse, ...sources);
}
reset() {
}
#clickRepulse(interactivityData) {
const container = this.container, repulseOptions = container.actualOptions.interactivity?.modes.repulse;
if (!repulseOptions) {
return;
}
const repulse = container.repulse ?? { particles: [] };
if (!repulse.finish) {
repulse.count ??= 0;
repulse.count++;
if (repulse.count === container.particles.count) {
repulse.finish = true;
}
}
if (repulse.clicking) {
const repulseDistance = container.retina.repulseModeDistance;
if (!repulseDistance || repulseDistance < minDistance) {
return;
}
const repulseRadius = Math.pow(repulseDistance / repulseRadiusFactor, repulseRadiusPower), mouseClickPos = interactivityData.mouse.clickPosition;
if (mouseClickPos === undefined) {
return;
}
const range = new engine.Circle(mouseClickPos.x, mouseClickPos.y, repulseRadius), query = container.particles.grid.query(range, p => this.isEnabled(interactivityData, p));
for (const particle of query) {
const { dx, dy, distance } = engine.getDistances(mouseClickPos, particle.position), d = distance ** squarePower, velocity = repulseOptions.speed, force = (-repulseRadius * velocity) / d;
if (d <= repulseRadius) {
this.#trackInteractedParticle(particle);
repulse.particles.push(particle);
this.#clickVec.x = dx;
this.#clickVec.y = dy;
this.#clickVec.length = force;
particle.velocity.setTo(this.#clickVec);
}
}
}
else if (repulse.clicking === false) {
for (const particle of repulse.particles) {
particle.velocity.setTo(particle.initialVelocity);
}
repulse.particles = [];
}
}
#hoverRepulse(interactivityData) {
const container = this.container, mousePos = interactivityData.mouse.position, repulseRadius = container.retina.repulseModeDistance;
if (!repulseRadius || repulseRadius < minRadius || !mousePos) {
return;
}
this.#processRepulse(interactivityData, mousePos, repulseRadius, new engine.Circle(mousePos.x, mousePos.y, repulseRadius));
}
#processRepulse(interactivityData, position, repulseRadius, area, divRepulse) {
const container = this.container, query = container.particles.grid.query(area, p => this.isEnabled(interactivityData, p)), repulseOptions = container.actualOptions.interactivity?.modes.repulse;
if (!repulseOptions) {
return;
}
const { easing, speed, factor, maxSpeed } = repulseOptions, easingFunc = this.#pluginManager.getEasing(easing), velocity = (divRepulse?.speed ?? speed) * factor;
for (const particle of query) {
const { dx, dy, distance } = engine.getDistances(particle.position, position), repulseFactor = engine.clamp(easingFunc(easingOffset - distance / repulseRadius) * velocity, minSpeed, maxSpeed);
this.#normVec.x = !distance ? velocity : (dx / distance) * repulseFactor;
this.#normVec.y = !distance ? velocity : (dy / distance) * repulseFactor;
this.#trackInteractedParticle(particle);
particle.position.addTo(this.#normVec);
}
}
#restoreParticles() {
const restore = this.container.actualOptions.interactivity?.modes.repulse?.restore;
if (!restore?.enable || !this.#restoreData.size) {
return;
}
const now = Date.now(), restoreDelay = restore.delay * engine.millisecondsToSeconds, restoreSpeed = Math.max(minRestoreSpeed, Math.min(maxRestoreSpeed, restore.speed));
for (const [particle, restoreData] of this.#restoreData) {
if (this.#interactedThisFrame.has(particle)) {
continue;
}
if (particle.destroyed) {
this.#restoreData.delete(particle);
continue;
}
const target = restoreData.target;
if (now - restoreData.lastInteractionTime < restoreDelay) {
continue;
}
if (restore.follow && particle.options.move.enable) {
target.x += particle.velocity.x;
target.y += particle.velocity.y;
target.z += particle.velocity.z;
}
const dx = target.x - particle.position.x, dy = target.y - particle.position.y, dz = target.z - particle.position.z;
particle.position.x += dx * restoreSpeed;
particle.position.y += dy * restoreSpeed;
particle.position.z += dz * restoreSpeed;
if (Math.abs(dx) <= restoreEpsilon && Math.abs(dy) <= restoreEpsilon) {
particle.position.x = target.x;
particle.position.y = target.y;
particle.position.z = target.z;
this.#restoreData.delete(particle);
continue;
}
}
}
#singleSelectorRepulse(interactivityData, selector, div) {
const container = this.container, repulse = container.actualOptions.interactivity?.modes.repulse;
if (!repulse) {
return;
}
const query = engine.safeDocument().querySelectorAll(selector);
if (!query.length) {
return;
}
query.forEach(item => {
const elem = item, pxRatio = container.retina.pixelRatio, pos = {
x: (elem.offsetLeft + elem.offsetWidth * engine.half) * pxRatio,
y: (elem.offsetTop + elem.offsetHeight * engine.half) * pxRatio,
}, repulseRadius = elem.offsetWidth * engine.half * pxRatio, area = div.type === pluginInteractivity.DivType.circle
? new engine.Circle(pos.x, pos.y, repulseRadius)
: new engine.Rectangle(elem.offsetLeft * pxRatio, elem.offsetTop * pxRatio, elem.offsetWidth * pxRatio, elem.offsetHeight * pxRatio), divs = repulse.divs, divRepulse = pluginInteractivity.divMode(divs, elem);
this.#processRepulse(interactivityData, pos, repulseRadius, area, divRepulse);
});
}
#trackInteractedParticle(particle) {
this.#interactedThisFrame.add(particle);
const restore = this.container.actualOptions.interactivity?.modes.repulse?.restore;
if (!restore?.enable) {
return;
}
const now = Date.now();
let restoreData = this.#restoreData.get(particle);
if (!restoreData) {
restoreData = {
target: particle.position.copy(),
lastInteractionTime: now,
};
this.#restoreData.set(particle, restoreData);
}
restoreData.lastInteractionTime = now;
if (restore.follow && particle.options.move.enable) {
restoreData.target.x += particle.velocity.x;
restoreData.target.y += particle.velocity.y;
restoreData.target.z += particle.velocity.z;
}
}
}
async function loadExternalRepulseInteraction(engine) {
engine.checkVersion("4.3.2");
await engine.pluginManager.register((e) => {
pluginInteractivity.ensureInteractivityPluginLoaded(e);
const pluginManager = e.pluginManager;
pluginManager.addInteractor?.("externalRepulse", container => {
return Promise.resolve(new Repulser(pluginManager, container));
});
});
}
const globalObject = globalThis;
globalObject.__tsParticlesInternals = globalObject.__tsParticlesInternals ?? {};
globalObject.loadExternalRepulseInteraction = loadExternalRepulseInteraction;
exports.Repulse = Repulse;
exports.RepulseBase = RepulseBase;
exports.RepulseDiv = RepulseDiv;
exports.loadExternalRepulseInteraction = loadExternalRepulseInteraction;
}));
Object.assign(globalThis.window || globalThis, { loadExternalRepulseInteraction: (globalThis.__tsParticlesInternals.interactions.externalRepulse || {}).loadExternalRepulseInteraction });
delete (globalThis.window || globalThis).tsparticlesInternalExports;