createCanvas(400, 400);

  rectMode(CENTER);

}

​

function draw() {

  background(220);

  fill(170);

  rect(200, 200, 150, 350);

​

​

  if (mouseY > 150 && mouseY < 250 && mouseX < 250 && mouseX > 150)

    fill("yellow");

  else {

    fill(255);

  }

  ellipse(width / 2, height / 2, 100, 100);

​

  if (mouseY > 50 && mouseY < 150 && mouseX < 250 && mouseX > 150)

    fill("red")

  else {

    fill(255);

  }

  ellipse(width / 2, height / 2 - 115, 100, 100);

​

​

  if (mouseY > 250 && mouseY < 365 && mouseX < 250 && mouseX > 150) {

    fill("green");

​

  } else {

    fill(255);

  }

  ellipse(width / 2, height / 2 + 115, 100, 100);

​

​

​

​

​

​

  print(mouseX, mouseY);

}