y1 = -50;

​

function setup() {

  createCanvas(800, 800);

  background(255);

  fill(0);

  ellipse(250, 250, 30, 40);

  ellipse(550, 250, 30, 40);

  noFill();

}

​

function draw() {

​

  translate(width / 2, height / 2);

​

  if (y1 < 170) {

    stroke(0, 100);

    strokeWeight(random(3))

    var radius = random(500);

    var angle = TAU / 200;

    var x = sin(angle * i) * radius / 2;

    var y = cos(angle * i) * radius;

    i = i + 0.3;

    ellipse(0, y1, x, y);

    y1 = y1 + 1;

  }

}