期末设计（十三周）

import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;

import javax.swing.JFrame;

package cumin.planewar;

import java.awt.Color;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Toolkit;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;

import javax.swing.JFrame;

public class MainFrame extends JFrame {

    /**
     * @param args
     */
    public static final int FRAME_HEIGHT = 800;
    public static final int FRAME_WIDIH = 480;

    Image cacheImage = null;
    private Image background = null;
    private Image wait = null;
    private Image result = null;

    //手柄控制类
    Handle controller = null;

    /**
     * 游戏窗口显示构造函数
     */
    public MainFrame() {
        // 游戏窗口
        this.setLocation(0, 0);
        this.setSize(FRAME_WIDIH, FRAME_HEIGHT);
        this.setDefaultCloseOperation(EXIT_ON_CLOSE);
        background = Toolkit.getDefaultToolkit().createImage("res/背景.png");
        wait = Toolkit.getDefaultToolkit().createImage("res/暂停界面.png");
        result = Toolkit.getDefaultToolkit().createImage("res/result_t.png");

        // 游戏窗口监听器
        this.addKeyListener(new MyKeyListener());

        // 游戏开始
        this.setVisible(true);

    }

@Override
    public void paint(Graphics g) {
        if (controller.getGameState() == Handle.GAMESTATE_START)
            controller.onDraw(g);
        else if (controller.getGameState() == Handle.GAMESTATE_STOP) {

            g.drawImage(result, FRAME_WIDIH / 2 - 160, FRAME_HEIGHT / 2 - 115, null);
            g.drawString("" + controller.getScore(), FRAME_WIDIH / 2 - 10, FRAME_HEIGHT / 2);
        }
    }

    @Override
    public void update(Graphics g) {
        // super.update(g);
        if (cacheImage == null)
            cacheImage = this.createImage(FRAME_WIDIH, FRAME_HEIGHT);

        Graphics gCacheImage = cacheImage.getGraphics();
        gCacheImage.drawImage(background, 0, 0, FRAME_WIDIH, FRAME_HEIGHT, null);
        this.paint(gCacheImage);
        g.drawImage(cacheImage, 0, 0, null);
    }

    public static void main(String[] args) {
        // 主游戏开启
        MainFrame mf = new MainFrame();
    }

}