createCanvas(600, 600);

  background(200,54,150);//

}

​

function draw() {

​

  if(mouseIsPressed){

    fill(random([0],[256]),random([0],[256]), random([0],[256]));

  }else{

    fill(72,72)

  }

  arc(mouseX, mouseY, 80, 80, PI, 3 * PI);

  describe(

  'shattered outline of ellipse with a quarter of a white circle bottom-right'

);

}