createCanvas(400, 300);

  background(220,150,150);

}

​

function draw() {

  var newValue2 = map(mouseY, 0, height, 10, 100);

​

  fill(180-mouseY,180-mouseY,mouseY+180);

​

  ellipse(mouseX, mouseY, newValue2+mouseY/5, newValue2+mouseY/5);

  fill(200,100,100);

  ellipse(mouseX,mouseY, newValue2, newValue2);

  fill(100,200,100);

  ellipse(mouseX,mouseY, newValue2/2, newValue2/2);

  fill(255);

  ellipse(mouseX,mouseY, newValue2/5, newValue2/5);

  fill(200,180,180);

  strokeWeight(mouseY/50);

  line(mouseX,mouseY, newValue2/5, newValue2/5);

}