text: function setup() {
    createCanvas(800, 800);
  }
  
  function draw() {
    background(140);
    fill(120, 40, 120, 100);
    strokeWeight(4);
  
    rect(10, 10, 400, 200);
    ellipse(400, 210, 400, 400);
  
    if (mouseIsPressed) {
      fill(0);
      rect(mouseX, mouseY, 160, 160);
    } else {
      fill(255);
    }
    ellipse(mouseX, mouseY, 80, 80);
  }