var rad = 60;

var xpos, ypos;



var xspeed = 2.8;

var yspeed = 2.2;



var xdirection = 1;

var ydirection = 1;



function setup() {

	createCanvas(1000,

               1000);

  noStroke();



  xpos = width / 2;

  ypos = height / 2;

		

}



function draw() {

  background(0, 0, 0);

  fill(255, 255, 0);

  ellipseMode(RADIUS)

  xpos = xpos + xspeed * xdirection;

  ypos = ypos + yspeed * ydirection;



  if (xpos > width - rad || xpos < rad) {

    xdirection *= -1;

  }



  if (ypos > height - rad || ypos < rad) {

    ydirection *= -1;

  }



  ellipse(xpos, ypos, rad, rad);

	fill(255,255,255)

	ellipse(700,370,60);

	fill(255,255,255)

	ellipse(750,370,60);

	fill(255,255,255)

	ellipse(725,320,60);

	fill(255,255,255)

	ellipse(675,320,60);

	fill(255,255,255)

	ellipse(625,370,60);

}