var emojis = [];

​

function preload() {

  emojis[0] = loadImage("images/emoji0.png"); 

}

​

function setup() {

  cnv = createCanvas(600, 400);   

}

​

function mousePressed() {

  let r = floor(random(0, emojis.length));

  let b = new Bubble(mouseX, mouseY, emojis[r]);

  bubbles.push(b);

}

​

function draw() {

  background(220);

​

  for (var i = bubbles.length-1; i >= 0; i--) {

    bubbles[i].update();

    bubbles[i].display(); 

  }

}