createCanvas(400, 400);

}

​

function draw() {

  background(220);

  // setting the translate point mapped to your cursor

  translate(mouseX,mouseY);

  // setting the translate point to the center.

  // translate(width/2, height/2); 

  // large blue circles

  ellipse(-30, -30, 30, 30);

  ellipse(30, -30, 30, 30);

  ellipse(-30, 30, 30, 30);

  ellipse(30, 30, 30, 30);

 // red center marking circle

  fill(255,0,0);

  ellipse(0,0,10,10);

   // smaller blue circles around the center

  fill(0,155,155);

  ellipse(15,0,10,10);

  ellipse(-15,0,10,10);

  ellipse(0,15,10,10);

  ellipse(0,-15,10,10);

}