The ball never changes velocity, and this can cause the game to seem to drag at times, not giving the player enough challenge. Add an element of unpredictability to the game by tweaking the ball’s...

The ball never changes velocity, and this can cause the game to seem to drag at times, not giving the player enough challenge. Add an element of unpredictability to the game by tweaking the ball’s velocity just a bit every time it hits the paddle, using a random number.