let balls = []

function setup() {

  createCanvas(400, 400);

  ball = new Ball(50, 50, 50)

  balls.push(ball)

}

​

function draw() {

  background(220);

  ball.display()

  for (let ball of balls) {

    ball.display()

  }

}

​

function mousePressed() {

  let ball = new Ball(mouseX, mouseY, random(100))

    balls.push(ball)

}