想要垂直和水平移动我的对象，我的代码以角度移动

import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;

import javax.swing.JFrame;
import javax.swing.JPanel;

@SuppressWarnings("serial")
public class Game extends JPanel {

    Ball ball = new Ball(this);
    Number123 num123 = new Number123(this);

    public Game(){
        addKeyListener(new KeyListener() {
            @Override
            public void keyTyped(KeyEvent e) {
            }

            @Override
            public void keyReleased(KeyEvent e) {
                ball.keyReleased(e);
            }

            @Override
            public void keyPressed(KeyEvent e) {
                ball.keyPressed(e);
            }
        });
        setFocusable(true);
    }

    private void move() {
        ball.move();

    }

    @Override
    public void paint(Graphics g) {
        super.paint(g);
        Graphics2D g2d = (Graphics2D) g;
        g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                RenderingHints.VALUE_ANTIALIAS_ON);
        ball.paint(g2d);
        num123.paintComponent(g2d);
}

    public static void main(String[] args) throws InterruptedException {
        JFrame frame = new JFrame("Two sprites");
        Game game = new Game();
        frame.add(game);
        frame.setSize(600, 800);
        frame.setVisible(true);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        while (true) {
            game.move();
            game.repaint();
            Thread.sleep(10);
        }
}




}
import java.awt.Graphics;
import java.awt.Graph