let dots = [];

let emitter;

let xoff = 0;

let yoff = 0;

let zoff = 0;

​

function setup() {

  createCanvas(900, 900);

  emitter = new Emitter(width / 2, height / 2);

  background(0);

  blendMode(ADD);

}

​

function draw() {

  // background(220, 5)

  xoff = xoff + 0.0002;

  yoff = yoff + 0.0002;

  zoff = zoff + 0.0002;

  emitter.update();

  for(i = 0; i < dots.length; i++){

    if(dots[i] !== undefined){

      dots[i].update();

    }

  }

}