public class Task extends TimerTask {
        @Override
        public void run() {
            if (Physics.moving == true) {
                checkCollision(ball[0][0], ball[0][1]);
                ball[0][0] = Physics.move()[0];
                ball[0][1] = Physics.move()[1];
                if (ball[0][0] == 0 && ball[0][1] == 0)
                    Physics.moving = false;
            }
            displayPermanentObjects();
            field.add_object("images/ball.png", ball[0][0] - ballsize, ball[0][1] - ballsize);
            field.display();
            checkEnd(ball[0][0], ball[0][1]);
        }
    }