A magical 3D particle system engine for three.js

const emitter = new Emitter();

emitter
  .setRate(new Rate(2, 0.1))
  .addInitializers([
    new Mass(1),
    new Radius(6, 12),
    new Life(2, 5),
    new RadialVelocity(45, new Vector3D(0, 1, 0), 180),
  ])
  .addBehaviours([
    new Alpha(1, 0),
    new Color('#ff2d95', '#0029ff'),
    new Scale(1, 0.1),
  ]);

system.addEmitter(emitter).addRenderer(renderer);