.#merg12253cvs

java编写的打鸟游戏

/*
 * Bird.java
 *
 * Created on 2007年12月19日, 上午11:41
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package graphics;
import SBGameCore.*;
import java.util.Random;
import java.awt.Graphics;


/**
 *
 * @author wusir
 */
public class Bird extends Comp{
    int[] randoms = new int[]{-1,1};
    /**
     * Creates a new instance of Bird
     */
    public Bird(GraphicsPanel a) {
        this.a = a;
        w = (int) Math.random()*100;
        h = (int) Math.random()*100;
        px = opx = a.window_size.width/2;
        py = opy = w/2+1;
        active = true;
        img = a.birds[0];
    }

    public void move() {
        opx = px;
        opy = py;
        Random rnd = new Random();
        int x = 0;
        x = rnd.nextInt(2);
        int dx = randoms[x] + px;
        try {Thread.sleep(100);} catch(Exception e) {};
         int y = rnd.nextInt(2);
        int dy = randoms[y] + py;
    }
    
    public boolean has_moved(){
        if((px - opx) != 0)return true;
        return false;
    }
    
    public void draw(){
        set_draw_rectangles(a.paint_area,a.new_area);
        Graphics bg = a.buffer.getGraphics();
        bg.clipRect(a.paint_area.x,a.paint_area.y,w,h);
        bg.drawImage(a.backdrop,0,0,a);
        bg.dispose();
        
        bg = a.buffer.getGraphics();
        bg.clipRect(a.new_area.x,a.new_area.y,w,h);
        bg.drawImage(img,a.new_area.x,a.new_area.y,a);
        bg.dispose();
        
        a.paint_area.add(a.new_area);
        
        Graphics g = a.getGraphics();
        g.clipRect(a.paint_area.x,a.paint_area.y,a.paint_area.width,a.paint_area.height);
        g.drawImage(a.buffer,0,0,a);
        g.dispose();
    }
  
}