createCanvas(600, 600);

}

​

function draw() {

  background(204);

  translate(width / 2, height / 2);

  let a = atan2(mouseY - height / 2, mouseX - width / 2);

  rotate(a);

  noStroke();

  var diam = width / 2.5;

  ellipse(0, 0,diam, diam); 

  push();

  ellipse(0, 0,diam, diam); 

  fill('black');

  ellipse(20, 20, diam / 2, diam/ 2);

  fill('white');

  ellipse(30, 39, diam / 10, diam / 10);

  pop();

  // rect(-30, -5, 60, 10);

}