let img;

let test = true;

​

function preload() {

  img = loadImage('assets/moonwalk.jpg');

  mon = loadImage('assets/blueMonster.jpg');

}

function setup() {

  createCanvas(720, 400);

  mon.filter(BLUR,20);

  print("use mouse: move, click");

}

​

function draw() {

  background(img);

  fill(0,0,80);

  noStroke();

  translate(mouseX,mouseY);

  if ( test ) rect(0,0,200,200);

  tint(255, 127);

  image(mon,2,2,196,196);

}

​

function mouseClicked() {

  test = ! test; 

}