import java.awt.Color;
import java.awt.Graphics;
import java.awt.LayoutManager;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JPanel;
/**
* @author Wildcard
* created at 10.05.2005
*/
public class Pong extends JFrame implements Runnable
{
private Ball ball = new Ball(18,Color.RED);
private Stick stick = new Stick(50,Color.BLUE);
private Stick stick2 = new Stick(50,Color.GREEN);
private Point speed = new Point(3,3);
private static final int LEFT = -5;
private static final int RIGHT = 5;
private int counter1 = -1;
private int counter2 = -1;
private int direction=0;
private int direction2=0;
public Pong()
{
JPanel panel = new JPanel((LayoutManager)null);
getContentPane().add(panel);
panel.addKeyListener(new KeyAdapter()
{
public void keyTyped(KeyEvent e)
{
if(e.getKeyChar()=='a')
direction=LEFT;
else if(e.getKeyChar()=='d')
direction=RIGHT;
if(e.getKeyChar()=='l')
direction2=LEFT;
else if(e.getKeyChar()=='ä')
direction2=RIGHT;
}
public void keyReleased(KeyEvent e)
{
if(e.getKeyChar()=='a' || e.getKeyChar()=='d')
direction=0;
else if(e.getKeyChar()=='ä'|| e.getKeyChar()=='l')
direction2=0;
}
});
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setSize(500,500);
stick2.setLocation(getWidth()/2-28,80);
stick.setLocation(getWidth()/2-25,getHeight()-120);
ball.setLocation(50,50);
panel.add(stick2);
panel.add(stick);
panel.add(ball);
new Thread(this).start();
setVisible(true);
panel.requestFocus();
}
/**
* @see java.lang.Runnable#run()
*/
public void run()
{
// TODO Auto-generated method stub
Rectangle frame = new Rectangle(0,0,getContentPane().getWidth(),getContentPane().getHeight());
Rectangle ballRect;
final Point ballLocation = ball.getLocation();
while(true)
{
repaint();
if (!(stick.getLocation().x<=5) && !(stick.getLocation().x+50>=getContentPane().getWidth()-5))
stick.setLocation(stick.getLocation().x+direction,stick.getLocation().y);
else if (stick.getLocation().x<50)
stick.setLocation(stick.getLocation().x+1,stick.getLocation().y);
else
stick.setLocation(stick.getLocation().x-1,stick.getLocation().y);
if (!(stick2.getLocation().x<=5) && !(stick2.getLocation().x+50>=getContentPane().getWidth()-5))
stick2.setLocation(stick2.getLocation().x+direction2,stick2.getLocation().y);
else if (stick2.getLocation().x<50)
stick2.setLocation(stick2.getLocation().x+1,stick2.getLocation().y);
else
stick2.setLocation(stick2.getLocation().x-1,stick2.getLocation().y);
ballRect = new Rectangle(ball.getBounds());
if (!frame.contains(ballRect))
{
if (ball.getLocation().x<0 || ball.getLocation().x+ball.durchmesser>getWidth())
speed.x=-speed.x;
else if (ball.getLocation().y<0 || ball.getLocation().y+ball.durchmesser>getContentPane().getHeight())
speed.y=-speed.y;
if(ball.getLocation().y<0)
counter1++;
else if(ball.getLocation().y+ball.durchmesser>getContentPane().getHeight())
counter2++;
}
if(stick.getBounds().intersects(ball.getBounds()))
{
speed.y=-speed.y;
}
if(stick2.getBounds().intersects(ball.getBounds()))
{
speed.y=-speed.y;
}
try
{
Thread.sleep(8);
} catch (InterruptedException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
ballLocation.x=ballLocation.x+speed.x;
ballLocation.y=ballLocation.y+speed.y;
ball.setLocation(ballLocation);
}
}
public static void main(String[] args)
{
new Pong();
}
}
class Ball extends JComponent
{
int durchmesser;
private Color color;
public Ball(int durchmesser, Color color)
{
this.durchmesser=durchmesser;
this.color=color;
setSize(durchmesser,durchmesser);
}
protected void paintComponent(Graphics g)
{
g.setColor(color);
g.fillOval(0,0,durchmesser,durchmesser);
}
}
class Stick extends JComponent
{
int length;
private Color color;
public Stick(int length, Color color)
{
this.length=length;
this.color=color;
setSize(length,10);
}
protected void paintComponent(Graphics g)
{
g.setColor(color);
g.fillRoundRect(0,0,length,10,5,5);
}
}
