​

let h1 = 0;

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  colorMode(HSB, 360, 100, 100, 100);

  frameRate(60);

  background(h1, 20, 50);

}

​

function draw() {

  background(h1, 20, 50, 1);

  noStroke();

  fill(random(10));

 rectMode(CENTER);

rect(random(width), random(height), random(20));

  stroke(10);

  noFill();

  for (let i = 0; i < 20; i++){

    circle(mouseX, mouseY, 5*i);

  }

  h1+=1;

  if (h1 == 360){

    h1 = 0;

  }

}

​

function windowResized() {

  resizeCanvas(windowWidth, windowHeight);

}