var diameter;



function setup() {

  createCanvas(700,700);

  background(0, 0, 0);

  frameRate(10);

  noStroke();

  noFill();



  diameter = 150;

}



function draw() {

  fill(30, 30, 30);

  text("Touch Me", 20, 40);



  if (mouseIsPressed) {

    stroke(155, 100, 250, 10);

    noFill();

    translate(mouseX, mouseY);

    for (var i = 0; i < TWO_PI; i += 0.01) {

      var x = diameter * cos(i);

      var y = diameter * sin(i);

      ellipse(x, y, 180);

    }

  }

}