.#merg43021cvs

java编写的打鸟游戏

/*
 * GraphicsPanel.java
 *
 * Created on 2007年12月18日, 下午12:27
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package SBGameCore;

import graphics.Bird;
import graphics.Feather;
import java.awt.Cursor;
import java.awt.Font;
import java.awt.MediaTracker;
import java.awt.Point;
import java.awt.Rectangle;
import java.util.Vector;
import javax.swing.JFrame;
import javax.swing.JPanel;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.Toolkit;
import javax.swing.JPanel;
/**
 *
 * @author wusir
 */

public class GraphicsPanel extends JPanel implements Runnable{
    /*Toolkit toolkit = Toolkit.getDefaultToolkit();
    Image image1 = toolkit.getImage("image/0.jpg");
    int x=0;
    int y=0;
    boolean stop=false;
     
    public GraphicsPanel(){
        super();
        //move();
    }
    public void paintComponent(Graphics g) {
        super.paintComponent(g);
        //Graphics2D g2d = (Graphics2D) g;
        g.setColor(Color.WHITE);
        g.fillRect(0, 0, this.getWidth(), this.getHeight());
        g.drawImage(image1,x,y,this);
    }
    public void move(){
        Thread t=new Thread(){
            public void run(){
                while(!stop){
                    try {
                        repaint();
                        Thread.sleep(20);
                        x+=1;
                        y+=1;
                        repaint();
                        if(x>700||y>700)stop=true;
                    } catch (InterruptedException ex) {
                        ex.printStackTrace();
                    }
                }
            }
        };
        t.start();
    }
}*/
    public Toolkit toolkit = null;
    public Image buffer = null ;	 // image buffer
    public Image backdrop = null ;      // background
    public Image bgimg  = null ;        // privouse background
    public Image[] birds = new Image[7];//birds images
    public Image feather = null;        //feather
    public Image cursor = null;           //cursor
    public Graphics  buf_g = null ;     // graphics buffer
    public Graphics  bkd_g = null ;     // background graphics
    public Dimension window_size = null;//windows size
    public Font font ;
    public Font font_s ;                //word fonts
    
    MediaTracker tracker = null ;
    
    public Thread game = null;          //game thread
    public boolean game_over = false;
    public Point mouse = null;           //mouse position
    public Rectangle paint_area = new Rectangle() ; //object's current area
    public Rectangle new_area   = new Rectangle() ; //object's new area
    
    public Vector Vbird = new Vector();  //bird vector
    public int Nbird = 1;                //count of bird
    public Vector Vfeather = new Vector();//count of dropping-feather
    public int score = 0;
    Graphics g2d;
    
    public GraphicsPanel(){
        this.setSize(1000,700);
        init();
    }
    public void init(){
        tracker = new MediaTracker(this) ;
        toolkit = Toolkit.getDefaultToolkit();
        bgimg = toolkit.getImage("image/123.JPG");
        tracker.addImage(bgimg,0) ;
        for(int i=0;i<7;i++){
            birds[i] = toolkit.getImage("image/"+i+".jpg");
            tracker.addImage(birds[i],0) ;
        }
        // feather = toolkit.getImage("");
        cursor = toolkit.getImage("image/aim.jpg");
        tracker.addImage(cursor,0) ;
        try {
            tracker.waitForAll();
        } catch (InterruptedException ex) {
            ex.printStackTrace();
        }
        font   = new Font("Helvetica", Font.BOLD, 24) ;
        font_s = new Font("Helvetica", Font.BOLD, 14) ;

    }
    
    public void paintComponent(Graphics g) {
        
        //draw the panel with the graphics from buffer
        super.paintComponent(g);
        setCursor(toolkit.createCustomCursor(cursor,new Point(0,0),"sight")) ; //set the cursor here     
        g2d = g;
        g2d.setColor(Color.WHITE);
        g2d.fillRect(0, 0, this.getWidth(), this.getHeight());
        g2d.drawImage(bgimg,0,0,this);
        // this.run();
        
        
        

        window_size=this.size();//get the panel size
     
        buffer = null;
        buffer = createImage(window_size.width, window_size.height);
     
        backdrop = null;
        backdrop = createImage(window_size.width, window_size.height);
     
        buf_g = buffer.getGraphics();
        buf_g.fillRect(0, 0, window_size.width, window_size.height);
     
        /*load sound here
     
     */
        game_over = true ;
        
        
        
        
        
    }
    
    
    
    public Graphics getGraphics(){
        return  g2d;
    }
    
 /*   public void start(){
     
        setCursor(toolkit.createCustomCursor(cursor,new Point(0,0),"sight")) ; //set the cursor here
        window_size=this.size();//get the panel size
     
        buffer = null;
        buffer = createImage(window_size.width, window_size.height);
     
        backdrop = null;
        backdrop = createImage(window_size.width, window_size.height);
     
        buf_g = buffer.getGraphics();
        buf_g.fillRect(0, 0, window_size.width, window_size.height);
     
        /*load sound here
     
     */
       /* game_over = true ;
    }*/
    
    public int stop() {
        if(game!=null){
            game.stop();
            game = null;
        }
        setCursor(Cursor.getDefaultCursor()) ;
        return score;
    }
    
    
    public void run() {
        Bird bird;
        Feather feather;
        
        Graphics g = this.getGraphics() ;
        g.setColor(Color.red) ;
        g.drawString("shot bird", 500,350) ;
        
        long time = 0;
        long count = 0;
        buf_g = backdrop.getGraphics();
        buf_g.drawImage(bgimg,0,0,window_size.width,window_size.height,this) ;
        buf_g = getGraphics();
        buf_g.drawImage(backdrop,0,0,this) ;
        
        
        buf_g = buffer.getGraphics();
        buf_g.drawImage(bgimg,0,0,window_size.width,window_size.height,this) ;
        
        repaint() ;
        
        display_score() ;
        
        while(true){
            time = System.currentTimeMillis() ;
            if ((Vbird.size() < Nbird) && (Math.random() > (Vbird.size() == 0 ? 0.90 : 0.98))) {
                bird = new Bird(this);
                //if (score > 10 && Math.random() > 0.7) ;速度控制
                Vbird.add(bird);
            }
            for (int j=Vfeather.size()-1; j>=0 ; --j) {
                feather = (Feather) Vfeather.elementAt(j) ;
                if (feather.active) {
                    
                    //if one bird is shot,show the floating feather
                    feather.draw() ;
                } else {
                    
                    // shotting end,remove the feather object
                    feather.erase() ;
                    Vfeather.removeElementAt(j) ;
                }
            }
            for(int i=0;i<Vbird.size();i++){
                bird = (Bird)Vbird.elementAt(i);
                if(bird.active()){
                    bird.move();
                }
                
            }
            for (int i=(Vbird.size()-1); i >=0 ; --i) {
                bird = (Bird) Vbird.elementAt(i);
             /*if(...){
              击中得分代码
               if(Nbird<5&&score/10==1)
               ++Nbird;
               bird.active(false);
               bird.erase();
               feather = new Feather(this,bird.px,bird.py);
               Vfeather.addElement(feather);
                }
              */
                if(bird.active())
                    bird.draw();
                else
                    Vbird.removeElementAt(i);
                
            }
            time = System.currentTimeMillis() - time ;
            time = 20 - time;
            time = time > 0 ?  10 + time : 10 ;
            Thread.yield();
            try {
                Thread.sleep(time);
            } catch (InterruptedException ex) {}
            if((count = ++count % 100)==0)
                repaint();
        }
    }
    
    public void display_score() {
        Graphics bkd_g = backdrop.getGraphics();
        bkd_g.clipRect(window_size.width/2, 0, window_size.width/2, 40);
        bkd_g.drawImage(bgimg,0,0,window_size.width,window_size.height,this) ;
        
        bkd_g.setColor(Color.red) ;
        bkd_g.setFont(font) ;
        String aux = score > 9 ? "" : "0" ;
        bkd_g.drawString(aux+score, window_size.width - 60,30) ;
        bkd_g.dispose() ;
        
        Graphics bg = buffer.getGraphics() ;
        bg.clipRect(0, 0, window_size.width, 40);
        bg.drawImage(backdrop,0,0,this) ;
        bg.dispose() ;
        
        Graphics g = getGraphics() ;
        g.clipRect(0, 0, window_size.width, 40);
        g.drawImage(buffer,0,0,this) ;
        g.dispose() ;
    }
}