📄 client.java
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package test;
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.ArrayList;
import java.util.List;
import test.Way;
//import javax.sound.sampled.Line;
public class Client extends Frame{
public static final int BG_WIDTH=800;
public static final int BG_HEIGHT=600;
Image offScreenImage=null;
//Line line=null;
Way way1=new Way(200,300,20,1,this);
public void paint(Graphics g) {
way1.draw(g);
}
public void update(Graphics g) {
if(offScreenImage==null){
offScreenImage=this.createImage(BG_WIDTH, BG_HEIGHT);
}
Graphics gOffScreen=offScreenImage.getGraphics();
Color c=gOffScreen.getColor();
gOffScreen.setColor(Color.WHITE);
gOffScreen.fillRect(0, 0,BG_WIDTH, BG_HEIGHT);
gOffScreen.setColor(c);//刷新背景色
paint(gOffScreen);
g.drawImage(offScreenImage, 0,0,null);
}
/**
* 使用内部类
*创建重画线程
**/
private class PaintThread implements Runnable{
public void run() {
while(true){
repaint();
try {
Thread.sleep(100);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
/**
* 使用内部类
*创建控制坦克的键盘监视器
* 可以控制坦克向八个方向运动
**/
private class KeyMonitor extends KeyAdapter{
}
}
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