let TotalTime

let SavedTime 

​

function preload() {

  img = loadImage('test.png')

}

function setup() {

  createCanvas(500, 600);

  image(img,0,0)

  savedTime = millis() / 1000;

}

​

function draw() {

  let passedTime = millis() / 1000 - savedTime;

  //user can change their input below, which is currently set to    2s

  if (passedTime > 1) {

  noStroke()

  fill(60);

  let s = 2;

  rect(random(width), random(height), s, s);

  }

​

}