public static void main(String args[]){
        setUpDisplay();
        setUpOpenGL();
        setUpEntities();
        setUpTimer();

        System.out.println(bat.getX() + " , " + bat.getY());
        while (isRunning) {
            System.out.println(ball.getX() + " , " + ball.getY());
            render();
            logic(getDelta());
            input();
            Display.update();
            Display.sync(60);
            if (Display.isCloseRequested()) {
                isRunning = false;
            }
        }
        Display.destroy();
        System.exit(0);

    }