PK Adhoc Spiel Gruppe Markus

Game.java

import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.Timer;
import java.awt.event.*;
 
@SuppressWarnings("serial")
public class Game extends JPanel implements ActionListener, KeyListener {
    int x = 0;
    int y = 0;
    Timer timer;
 
    public Game()
    {
    addKeyListener(this);
    timer = new Timer(1000, this);
        timer.start();
    setFocusable(true);
    requestFocusInWindow();
    }
 
    private void moveBall() {
        x = x + 30;
        y = y;
    }
    @Override
    public void paint(Graphics g) {
        super.paint(g);
        Graphics2D g2d = (Graphics2D) g;
        g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        g2d.fillOval(x, y, 30, 30);
    }
 
    @Override
    public void keyTyped(KeyEvent e){}
 
    @Override
    public void keyPressed(KeyEvent e){
    switch (e.getKeyCode()){
    case KeyEvent.VK_LEFT:
        System.out.println("left");
        break;
    case KeyEvent.VK_RIGHT:
        System.out.println("right");
        break;
    case KeyEvent.VK_UP:
        System.out.println("up");
        break;
    case KeyEvent.VK_DOWN:
        System.out.println("down");
        break;
    }
    }
 
    @Override
    public void keyReleased(KeyEvent e){}
   
 
    public void actionPerformed(ActionEvent e)
    {
        if (e.getSource() == timer)
        {
        this.moveBall();
            this.repaint();
        }
    }
 
    public static void main(String[] args) throws InterruptedException {
        JFrame frame = new JFrame("Sample Frame");
        Game game = new Game();
        frame.add(game);
        frame.setSize(300, 400);
        frame.setVisible(true);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    }
}