public void tick(GameMaster game) {
		// update the collision box to move with the ball
		collisionBox.setBounds(x, y, size, size);
		
		// if it hits the LEFT wall
		if (x <= 0) {
			scoreSound();
			game.player2Score++;
			velx = speed;
		}
		// if it hits the RIGHT wall
		else if (x + size >= game.getWidth()) {
			scoreSound();
			game.player1Score++;
			velx = -speed;
		}
		
		// if it hits the TOP
		if(y <= 0) {
			wallSound();		
			vely = speed;
			}
		// if it hits the BOTTOM
		else if (y + size >= game.getHeight()) {
			wallSound();	
			vely = -speed;
		}
		
		x += velx;
		y += vely;
		
		// Check for collision
		collision(game);	
	}