.#bird.java.1.11

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.awt.Point;
import java.util.Random;
import java.awt.Graphics;


/**
 *
 * @author wusir
 */

public class Bird extends Comp{
    int[] randomYSpeed = new int[]{-2,0,2,0,0};
    int[] randomXSpeed = new int[]{20,50,39};
    public static boolean[] birdAlive = new boolean[]{false,false,false,false,false,false,false};
    public static boolean[] pathUsed = new boolean[]{false,false,false,false,false,false,false};
    int[] randomPosition = new int[]{60,160,260,360,460,560,660};
    int num;
    /**
     * Creates a new instance of Bird
     */
    public Bird(GraphicsPanel a) {
        this.a = a;
        w = 100;
        h = 100;
        
        Random rbird = new Random();
        int b = 0;
        do{
            b = rbird.nextInt(7);
        }while(birdAlive[b]);
        birdAlive[b] = true;
        img = a.birds[b];
        num = b;
        
        if(b == 1 || b == 3){
            do{
                b = rbird.nextInt(7);
            }while(pathUsed[b]);
            px = opx =  0;
            py = opy =  randomPosition[b];
            pathUsed[b] = true;
            face = 1;
            
        }else{
            do{
                b = rbird.nextInt(7);
            }while(pathUsed[b]);
            px = opx =  1000;
            py = opy =  randomPosition[b];
            pathUsed[b] = true;
            face = -1;
            
        }
        
        Random rndv = new Random();
        int x = 0;
        x = rndv.nextInt(3);
        vx = randomXSpeed[x];
        
        active = true;
        
        //k = (k+1)%7;
     /*   Random rndv = new Random();
          int x = 0;
        x = rndv.nextInt(3);
         vx = randomv[x];
        try {Thread.sleep(100);} catch(Exception e) {};
         int y = rndv.nextInt(3);
         vy = randomv[y];*/
    }
    
    public void move() {
        opx = px;
        opy = py;
        px = px + vx * face;
        
        Random rnd = new Random();
        int x = 0;
        x = rnd.nextInt(5);
        py = randomYSpeed[x] + py;
        if(face == 1&&px == 1000)
            px=0;
        else if(face == -1 && px == 0)
            px = 1000;
      /*  try {Thread.sleep(100);} catch(Exception e) {};
        int y = rnd.nextInt(3);
         py = 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();
    }
    public Point getPoint(){
        return new Point(px,py);
    }
    
    public void reset(){
        if(birdAlive[num] == false){
     /*    Random rbird = new Random();
        int b = 0;
        do{
            b = rbird.nextInt(7);
        }while(birdAlive[b]);
        birdAlive[b] = true;
        img = a.birds[b];*/
            birdAlive[num] = true;
            Random rbird = new Random();
            int b;
            if(num == 1 || num == 3){
              /*  do{
                    b = rbird.nextInt(7);
                }while(pathUsed[b]);*/
                px = opx =  0;
                py = opy =  randomPosition[num];
                pathUsed[num] = true;
                face = 1;
                
            }else{
             /*   do{
                    b = rbird.nextInt(7);
                }while(pathUsed[num]);*/
                px = opx =  1000;
                py = opy =  randomPosition[num];
                pathUsed[num] = true;
                face = -1;
                
            }
            
            Random rndv = new Random();
            int x = 0;
            x = rndv.nextInt(3);
            vx = randomXSpeed[x];
        }
        
    }
    
}