java 游戏

java 游戏

周六无聊,花了二个小时写了一个游戏的大体框架.
Game.java

@SuppressWarnings( " unused " )
public   class  Game 
{
    private Scene scene;
    private GameEngine gameEngine;
    
    public Game()
    {
        this.scene = new Scene();
        this.gameEngine = new GameEngine();
    }
    
    public static void main(String[] args)
    {
        new Game();
    }
}

GameEngine.java

import  java.awt.Graphics2D;
import  java.awt.Image;


public   class  GameEngine  implements  Runnable
{
    /** *//** 引擎重画间隔 */
    private int engineInterval = 30;
    
    /** *//** 游戏引擎刷新线程 */
    private Thread refresher;
    
    /** *//** 游戏主窗口 */
    private GameFrame gameFrame;
    
    /** *//** 双缓存作图区 */
    private Image imageBuffer;
    
    /** *//** ImageIterm缓存 */
    public static ImageItermCahe imageItermCache = new ImageItermCahe();
    
    public GameEngine()
    {
        this.refresher = new Thread(this);
        this.gameFrame = new GameFrame();
        this.imageBuffer = this.gameFrame.createImage(
                this.gameFrame.getWidth(), this.gameFrame.getHeight());
        
        /** *//** 启动游戏引擎 */
        this.refresher.start();
    }
    
    private void working()
    {
        Graphics2D imageBufferGraphics = (Graphics2D)(this.imageBuffer.getGraphics());
        imageBufferGraphics.clearRect(0, 0, 785, 360);
        for(ImageIterm imgIterm : GameEngine.imageItermCache.getImgItermLst())
        {
            /** *//** 删除已经删除的图项 */
            if(GameEngine.imageItermCache.getImgItermMap().get(imgIterm.getId()) == null)
            {
                GameEngine.imageItermCache.getImgItermLst().remove(imgIterm);
                continue;
            }
            imageBufferGraphics.drawImage(imgIterm.getImg(),
                    imgIterm.getXTargetTop(),
                    imgIterm.getYTargetTop(),
                    imgIterm.getXTargetBot(),
                    imgIterm.getYTargetBot(),
                    imgIterm.getXSourceTop(),
                    imgIterm.getYSourceTop(),
                    imgIterm.getXSourceBot(),
                    imgIterm.getYSourceBot(), null);
        }
        this.gameFrame.setImageBuffer(this.imageBuffer);
        this.gameFrame.repaint();
    }
    
    public void run()
    {
        while(true)
        {
            this.working();
            try
            {
                Thread.sleep(this.engineInterval);
            }
            catch(Exception ex)
            {
                ex.printStackTrace();
            }
        }
    }
    
    public void setEngineInterval(int engineInterval)
    {
        this.engineInterval = engineInterval;
    }
}

GameFrame.java

 

import  java.awt.Graphics;
import  java.awt.Image;

import  javax.swing.JFrame;

@SuppressWarnings( " serial " )
public   class  GameFrame  extends  JFrame 
{
    /** *//** 缓存作图区 */
    private Image imageBuffer;

    public GameFrame() 
    {
        this.setTitle("游戏作图区");
        this.setSize(785, 360);
        
        /** *//** 定位游戏窗口在屏幕上的位置 */
        this.setLocation((this.getToolkit().getScreenSize().width - this.getWidth()) / 2,
                (this.getToolkit().getScreenSize().height - this.getHeight()) / 2);

        this.setDefaultCloseOperation(3);
        this.setResizable(false);
        this.setVisible(true);
    }

    public void update(Graphics g) 
    {
        if (this.imageBuffer != null) 
        {
            this.getGraphics().drawImage(imageBuffer, 0, 0, this);
        }
    }
    
    public void setImageBuffer(Image imageBuffer)
    {
        this.imageBuffer = imageBuffer;
    }
}

 还有三个类在下一篇.