30 lines
1.2 KiB
JavaScript
30 lines
1.2 KiB
JavaScript
import { ParticlesInteractorBase, getDistances } from "tsparticles-engine";
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export class Attractor extends ParticlesInteractorBase {
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constructor(container) {
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super(container);
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}
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clear() {
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}
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init() {
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}
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async interact(p1) {
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var _a;
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const container = this.container, distance = (_a = p1.retina.attractDistance) !== null && _a !== void 0 ? _a : container.retina.attractDistance, pos1 = p1.getPosition(), query = container.particles.quadTree.queryCircle(pos1, distance);
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for (const p2 of query) {
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if (p1 === p2 || !p2.options.move.attract.enable || p2.destroyed || p2.spawning) {
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continue;
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}
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const pos2 = p2.getPosition(), { dx, dy } = getDistances(pos1, pos2), rotate = p1.options.move.attract.rotate, ax = dx / (rotate.x * 1000), ay = dy / (rotate.y * 1000), p1Factor = p2.size.value / p1.size.value, p2Factor = 1 / p1Factor;
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p1.velocity.x -= ax * p1Factor;
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p1.velocity.y -= ay * p1Factor;
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p2.velocity.x += ax * p2Factor;
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p2.velocity.y += ay * p2Factor;
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}
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}
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isEnabled(particle) {
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return particle.options.move.attract.enable;
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}
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reset() {
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}
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}
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