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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.
110 lines (109 loc) • 3.68 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.Collider = void 0;
const Utils_1 = require("../../../Utils");
const Core_1 = require("../../../Core");
function bounce(p1, p2) {
(0, Utils_1.circleBounce)((0, Utils_1.circleBounceDataFromParticle)(p1), (0, Utils_1.circleBounceDataFromParticle)(p2));
}
function destroy(p1, p2) {
if (!p1.unbreakable && !p2.unbreakable) {
bounce(p1, p2);
}
if (p1.getRadius() === undefined && p2.getRadius() !== undefined) {
p1.destroy();
}
else if (p1.getRadius() !== undefined && p2.getRadius() === undefined) {
p2.destroy();
}
else if (p1.getRadius() !== undefined && p2.getRadius() !== undefined) {
if (p1.getRadius() >= p2.getRadius()) {
p2.destroy();
}
else {
p1.destroy();
}
}
}
class Collider extends Core_1.ParticlesInteractorBase {
constructor(container) {
super(container);
}
isEnabled(particle) {
return particle.options.collisions.enable;
}
reset() {
}
async interact(p1) {
const container = this.container;
const pos1 = p1.getPosition();
const radius1 = p1.getRadius();
const query = container.particles.quadTree.queryCircle(pos1, radius1 * 2);
for (const p2 of query) {
if (p1 === p2 ||
!p2.options.collisions.enable ||
p1.options.collisions.mode !== p2.options.collisions.mode ||
p2.destroyed ||
p2.spawning) {
continue;
}
const pos2 = p2.getPosition();
if (Math.round(pos1.z) !== Math.round(pos2.z)) {
continue;
}
const dist = (0, Utils_1.getDistance)(pos1, pos2);
const radius2 = p2.getRadius();
const distP = radius1 + radius2;
if (dist <= distP) {
this.resolveCollision(p1, p2);
}
}
}
resolveCollision(p1, p2) {
switch (p1.options.collisions.mode) {
case "absorb": {
this.absorb(p1, p2);
break;
}
case "bounce": {
bounce(p1, p2);
break;
}
case "destroy": {
destroy(p1, p2);
break;
}
}
}
absorb(p1, p2) {
const container = this.container;
const fps = container.fpsLimit / 1000;
if (p1.getRadius() === undefined && p2.getRadius() !== undefined) {
p1.destroy();
}
else if (p1.getRadius() !== undefined && p2.getRadius() === undefined) {
p2.destroy();
}
else if (p1.getRadius() !== undefined && p2.getRadius() !== undefined) {
if (p1.getRadius() >= p2.getRadius()) {
const factor = (0, Utils_1.clamp)(p1.getRadius() / p2.getRadius(), 0, p2.getRadius()) * fps;
p1.size.value += factor;
p2.size.value -= factor;
if (p2.getRadius() <= container.retina.pixelRatio) {
p2.size.value = 0;
p2.destroy();
}
}
else {
const factor = (0, Utils_1.clamp)(p2.getRadius() / p1.getRadius(), 0, p1.getRadius()) * fps;
p1.size.value -= factor;
p2.size.value += factor;
if (p1.getRadius() <= container.retina.pixelRatio) {
p1.size.value = 0;
p1.destroy();
}
}
}
}
}
exports.Collider = Collider;