createCanvas(400, 400);

​

  rectMode(CENTER);

​

  //Circle starts here

​

  noStroke();

  fill(255);

  circle(200, 200, 60); //this is Circle

​

  //Square starts here

​

  stroke(255);

  noFill();

  strokeWeight(5);

  square(100, 200, 60);

​

  // Triangle starts here

​

  stroke(0);

  noFill();

  strokeWeight(5);

  triangle(300, 180, 330, 225, 270, 225);

}

​

function draw() {

  background(255, 24, 116);

  //Circle starts here

​

  noStroke();

  fill(255);

  circle(mouseX, mouseY, 60);

}

​