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853天前import java.awt.*; |
import java.awt.event.*; |
public class TankClient extends Frame { |
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public static final int GAME_WIDTH=800; |
public static final int GAME_HEIGHT=600; |
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int x = 50, y = 50; |
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Image offScreenImage = null; |
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public void paint(Graphics g) { |
Color c = g.getColor(); |
g.setColor(Color.RED); |
g.fillOval(x, y, 30, 30); |
g.setColor(c); |
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y += 5; |
} |
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public void update(Graphics g) { |
if(offScreenImage == null) { |
offScreenImage = this.createImage(GAME_WIDTH, GAME_WIDTH); |
} |
Graphics gOffScreen = offScreenImage.getGraphics(); |
Color c = gOffScreen.getColor(); |
gOffScreen.setColor(Color.GREEN); |
gOffScreen.fillRect(0, 0, GAME_WIDTH, GAME_WIDTH); |
gOffScreen.setColor(c); |
paint(gOffScreen); |
g.drawImage(offScreenImage, 0, 0, null); |
} |
public void lauchFrame() { |
this.setLocation(400, 300); |
this.setSize(GAME_WIDTH, GAME_WIDTH); |
this.setTitle("TankWar"); |
this.addWindowListener(new WindowAdapter() { |
public void windowClosing(WindowEvent e) { |
System.exit(0); |
} |
}); |
this.setResizable(false); |
this.setBackground(Color.GREEN); |
setVisible(true); |
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new Thread(new PaintThread()).start(); |
} |
public static void main(String[] args) { |
TankClient tc = new TankClient(); |
tc.lauchFrame(); |
} |
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private class PaintThread implements Runnable { |
public void run() { |
while(true) { |
repaint(); |
try { |
Thread.sleep(50); |
} catch (InterruptedException e) { |
e.printStackTrace(); |
} |
} |
} |
} |
} |
