let y;

let d; // direction x

let c; // colour

let r; // radius

let b; // background

let h; // direction y

let r2;

​

function setup() {

  createCanvas(800, 800);

  x = 30

  y = 200

  d = +5

  c = -255

  r =  70

  r2 = 20

  b = 200

  h = +1

}

​

function draw() {

  background(0, b ,b);

  noStroke()

  fill(c)

  ellipse(x, y, r, r2);

  fill(-c)

  textSize(15)

  textAlign(CENTER);

  text ("DVD", x, y+4)

   x = x+d

   y = y+h

  if (x > (r/2)-1 && x < width-(r/2)) {

    c = c;

    d = d;

  }

  else {

   c = -c;

   d = -d;

  } 

  if (y > (r2/2)-1 && y < height-(r2/2)) {

    h = h;

    c = c;

  }

  else {

   h = -h 

   c = -c;

  }

}