​

function setup() {

  createCanvas(400, 800);

}

​

function mousePressed() {}

​

function addInk(x, y, r) {

  let drop = new Dot(x, y, r)

  for (let other of drops) {

    other.marble(drop);

  }

  drops.push(drop);  

}

​

function draw() {

  let x = random(width);

  let y = random(height);

  let r = random(10, 50);

  addInk(x, y, r)

  background(220);

  for(drop of drops) {

  drop.show();

  }

}