@tsparticles/interaction-particles-collisions/browser/Absorb.js

tsParticles collisions particles interaction

import { clamp } from "@tsparticles/engine";
const half = 0.5, absorbFactor = 10, minAbsorbFactor = 0;
function updateAbsorb(p1, r1, p2, r2, delta, pixelRatio) {
    const factor = clamp((p1.options.collisions.absorb.speed * delta.factor) / absorbFactor, minAbsorbFactor, r2);
    p1.size.value += factor * half;
    p2.size.value -= factor;
    if (r2 <= pixelRatio) {
        p2.size.value = 0;
        p2.destroy();
    }
}
export function absorb(p1, p2, delta, pixelRatio) {
    const r1 = p1.getRadius(), r2 = p2.getRadius();
    if (r1 === undefined && r2 !== undefined) {
        p1.destroy();
    }
    else if (r1 !== undefined && r2 === undefined) {
        p2.destroy();
    }
    else if (r1 !== undefined && r2 !== undefined) {
        if (r1 >= r2) {
            updateAbsorb(p1, r1, p2, r2, delta, pixelRatio);
        }
        else {
            updateAbsorb(p2, r2, p1, r1, delta, pixelRatio);
        }
    }
}