📄 20166b2a8819001c1ca6c8d4ab93e775
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import java.awt.*;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.*;
public class TankClient extends Frame {
private static final int GAME_WIDTH=800;
private static final int GAME_HEIGHT=600;
Tank myTank=new Tank(30,30);
Image offScreen=null;
public void launchFrame()
{
this.setLocation(300,300);
this.setSize(GAME_WIDTH,GAME_HEIGHT);
this.setBackground(Color.GREEN);
this.setTitle("Tank War");
this.addWindowListener(new WindowAdapter()
{
public void windowClosing(WindowEvent e)
{
System.exit(0);
}
}
);
this.addKeyListener(new KeyMoitor());
new Thread(new PaintThread()).start();
this.setResizable(false);
this.setVisible(true);
}
public void paint(Graphics g)
{
myTank.draw(g);
}
public void update(Graphics g)
{
if(offScreen==null)
{
offScreen=this.createImage(GAME_WIDTH,GAME_HEIGHT);
}
Graphics goffScreen=offScreen.getGraphics();
Color c=goffScreen.getColor();
goffScreen.setColor(Color.GREEN);
goffScreen.fillRect(0,0,GAME_WIDTH,GAME_HEIGHT);
goffScreen.setColor(c);
paint(goffScreen);
g.drawImage(offScreen,0,0,null);
}
private class PaintThread implements Runnable
{
public void run() {
while(true)
{
repaint();
try {
Thread.sleep(100);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
private class KeyMoitor extends KeyAdapter
{
@Override
public void keyReleased(KeyEvent e) {
myTank.keyReleased(e);
}
public void keyPressed(KeyEvent e) {
myTank.keyPressed(e);
}
}
public static void main(String[] args) {
TankClient tc=new TankClient();
tc.launchFrame();
}
}
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