​

function setup() {

  createCanvas(400, 400);

  // random coordinates for 1st ellipse

  x1 = random(0, width-10);

  y1 = random(0, height-10);

  // random coordinates for 2nd ellipse

  x2 = random(0, width-10);

  y2 = random(0, height-10);

  // random color for rectangle

  c = color(random(0,255), random(0,255), random(0,255));

​

  // random canvas color

  d = color(random(0,255), random(0,255), random(0,255));

​

  // random ellipse color

  e = color(random(0,255), random(0,255), random(0,255));

}

​

function draw() {

  background(d);

  fill(c);

  rect(width/4,height/4,width/2,height/2);

    fill(e);

  ellipse(x1, y1, 20);

    ellipse(x2, y2, 20);

  }