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Quellcode

import java.awt.Color; 
import java.awt.Graphics; 
import java.awt.Graphics2D; 
import java.awt.Image; 
import javax.swing.ImageIcon; 
import javax.swing.JPanel; 
import java.awt.event.ActionEvent; 
import java.awt.event.ActionListener; 
import java.awt.event.KeyAdapter; 
import java.awt.event.KeyEvent; 
import javax.swing.Timer; 
import java.util.Random; 

public class SpaceShip extends JPanel implements ActionListener{ 

Image SpaceShipImage; 
Image StarImage; 
int ImageFrames = 1; 
Timer MoveFrames; 
Timer AddStars; 


Random StarX = new Random(); 
boolean MoveAllowed = true; 
int Key = 0; 
int XStar; 
ActionListener ASL; 
int StarY = 0;
int YStar = 376; 

public SpaceShip() 
{ 
setFocusable(true); 
ImageIcon Icon = new ImageIcon((getClass().getResource("SpaceShip1.png"))); 
SpaceShipImage = Icon.getImage(); 
System.out.println("SpaceShipImage was initialized successfully!\n"); 

ImageIcon Icon2 = new ImageIcon((getClass().getResource("star.png"))); 
StarImage = Icon2.getImage(); 
System.out.println("StarImage was initialized successfully!\n"); 
addKeyListener(new AL()); 

MoveFrames = new Timer(5, this); 
MoveFrames.start(); 
AddStars = new Timer(500, this); 
} 

public void actionPerformed(ActionEvent e) //Code vom Timer MoveFrames 
{ 
Move(); 
} 
public void AddNewStar() 
{
XStar = 10 + StarX.nextInt(990); 
} 
public void paint (Graphics g) 
{super.paint(g); 
Graphics2D Draw = (Graphics2D)g; 
Draw.drawImage(SpaceShipImage, 476, 376, null); 
Draw.drawImage(StarImage, XStar, YStar, null); 
} 

public void Move() 
{ 
YStar += StarY; 
if (MoveAllowed == false) 
{ 
StarY = 0; 

} 

repaint(); 
} 

public class AL extends KeyAdapter //Tastenaktionenklasse 
{ 
public AL() 
{ 

} 
public void keyPressed(KeyEvent e) 

{ 
Key = e.getKeyCode();if (MoveAllowed == true) 
{ 
if (Key == KeyEvent.VK_W) 
{ 
StarY = 2;
AddStars.start(); 
} 
if (Key == KeyEvent.VK_S) 
{ 
StarY = -2;
AddStars.start(); 
} 
} 
} 
public void keyReleased(KeyEvent e) 
{ 
if (Key == KeyEvent.VK_W || Key == KeyEvent.VK_S) 
{ 
StarY = 0;
AddStars.stop(); 
} 
} 
} 

}