​

function setup() {

  createCanvas(400, 400);

  colorMode(RGB)

}

​

function draw() {

  background(0);

  //changes squares color

  let squareHue = map(mouseX, 0, width, 0, 360);

  //changes background color

  let rectHue = map(mouseY, 0, height, 20, 300);

  translate(200, 200);

  s = s + 0.2;

  if (s > 4) {

    s = 1;

  }

  //background color

  fill(rectHue, 90, 150);

  rect(-200, -200, 400);

  //5 squares color

  scale (s);

  fill(squareHue, 100, 90);

  rect(-60, 40, 25);

  rect(30, -60, 25);

  rect(-15, -10, 25)

  rect(-60, -60, 25);

  rect(30, 40, 25);

}