fort.java

新功能坦克大战

import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
class Fort extends JFrame implements  Runnable{
    TankFrame tankFrame;
    public Image image;
    boolean life;
    int grade;
    String str;
    int x,y;
    public Fort(TankFrame tankFrame,int grade) {
        this.tankFrame=tankFrame;
        this.grade=grade;
        str="游戏结束，你失败了，是否再来";
        x=240;
        y=560;
        life=true;
        image = Toolkit.getDefaultToolkit().getImage("images/base.jpg");
    }
    public void paint(Graphics g){
        g.setColor(Color.BLACK);
        Font font=new Font("Serif",Font.PLAIN,28);
        g.setFont(font);
        g.drawImage(image, 240, 560, 40,40,null);
        if(!life){
            if(grade==4){
                str="恭喜你过关了";
                g.drawString(str, x-200, y);
            }
            else{
                g.drawString(str, x-160, y);
            }
        }
    }
    public void Excut(){
        y--;
        if(!life){
            image = Toolkit.getDefaultToolkit().getImage("images/60.jpg");
        }
    }
    public void run(){
        while(y>260){
            Excut();
            try {               
                Thread.sleep(180);
            } catch (InterruptedException ex) {
            }
        }
    }
}