捕鱼小游戏

package fish;

import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.Random;

import javax.imageio.ImageIO;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;

public class Demo2 {
 public static void main(String[] args) throws IOException {
  final JFrame f = new JFrame("捕鱼达人");
  Pool p = new Pool();
  f.setContentPane(p);
  f.setSize(700, 500);
  f.setLocation(700, 500);
  f.setLocationRelativeTo(null);
  f.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
  f.addWindowListener(new WindowAdapter() {
   public void windowClosing(WindowEvent e) {
    int var = JOptionPane.showConfirmDialog(f, "确定离开？");
    if(var == JOptionPane.YES_OPTION){
     System.exit(0);
    }
   }
  });
  f.setVisible(true);
  p.action();
 }
}

class Pool extends JPanel{
 BufferedImage bg;
 int score;
 Fishs fish;
 Wang net;
 public Pool() throws IOException{
  bg = ImageIO.read(new File("pic/bg.jpg"));
  score = 100;
  fish = new Fishs("fish03");
  net = new Wang();
 }
 
 public void paint(Graphics g){
  g.drawImage(bg, 0, 0, null);
  g.setColor(Color.red);
  g.setFont(new Font("", Font.BOLD, 30));
  g.drawString("得分："+score, 20, 30);
  g.drawImage(fish.fishPic, fish.x, fish.y, null);
  if(net.show){
   g.drawImage(net.netPic, net.x - net.width/2, net.y - net.height/2, null);
  }
 }
 
 public void action(){
  mouseMove();
  fish.start();
  while(true){
   repaint();
   try {
    Thread.sleep(1000/10);
   } catch (InterruptedException e) {
    e.printStackTrace();
   }
  }
 }
 
 public void mouseMove(){
  MouseAdapter m = new MouseAdapter() {
   public void mouseEntered(MouseEvent e) {
    net.show = true;
   }
   public void mouseExited(MouseEvent e) {
    net.show = false;
   }
   public void mouseMoved(MouseEvent e) {
    int x = e.getX();
    int y = e.getY();
    net.wangMove(x,y);
   }
   public void mousePressed(MouseEvent e) {
    catchFishs();
   }
  };
  this.addMouseListener(m);
  this.addMouseMotionListener(m);
 }
 
 public void catchFishs(){
  if(net.catchFish(fish)){
   this.score += fish.width/2;
   fish.isFishCatch = true;
  }
 }
}

class Fishs extends Thread{
 BufferedImage fishPic;
 BufferedImage[] fishPics;
 int x;
 int y;
 int width;//图片的宽度
 int height;
 int step;
 int index = 0;
 Random r;
 boolean isFishCatch;
 BufferedImage[] catchedFishPic;
 public Fishs(String name) throws IOException{
  catchedFishPic = new BufferedImage[2];
  isFishCatch = false;
  for (int i = 0; i < catchedFishPic.length; i++) {
   catchedFishPic[i] = ImageIO.read(new File("pic/"+name+"_catch_"+(i+1)+".png"));
  }
  
  fishPics = new BufferedImage[10];
  for (int i = 0; i < fishPics.length; i++) {
   fishPics[i] = ImageIO.read(new File("pic/"+name+"_"+(i+1)+".png"));
  }
  fishPic = fishPics[0];
  r = new Random();
  width = fishPic.getWidth();
  height = fishPic.getHeight();
  x = r.nextInt(800 - width);
  y = r.nextInt(500 - height);
  step = r.nextInt(5) + 1;
 }
 
 public void run(){
  while(true){
   if(isFishCatch){
    for (int i = 0; i < 5; i++) {
     fishPic = catchedFishPic[0];
     try {
      Thread.sleep(30);
     } catch (InterruptedException e) {
      e.printStackTrace();
     }
     fishPic = catchedFishPic[1];
     try {
      Thread.sleep(100);
     } catch (InterruptedException e) {
      e.printStackTrace();
     }
    }
    getOut();
    isFishCatch = false;
   }else{
    fishMove();
    try {
     Thread.sleep(1000/24);
    } catch (InterruptedException e) {
     e.printStackTrace();
    }
   }
  }
 }
 
 public void fishMove(){
  fishPic = fishPics[index++%fishPics.length];
  this.x = this.x - this.step;
  if(this.x <= -width){
   getOut();
  }
 }
 
 public void getOut(){
  this.x = 700;
  this.y = r.nextInt(500 - height);
  this.step = r.nextInt(5) + 1;
 }
}

class Wang{
 BufferedImage netPic;
 int x;
 int y;
 int width;
 int height;
 boolean show;
 
 public Wang() throws IOException{
  netPic = ImageIO.read(new File("pic/net09.png"));
  width = netPic.getWidth();
  height = netPic.getHeight();
  show = true;
 }
 
 public void wangMove(int x,int y){
  this.x = x;
  this.y = y;
 }
 
 public boolean catchFish(Fishs f){
  int dx = this.x - f.x;
  int dy = this.y - f.y;
  if(dx >= 0 && dx < f.width && dy >= 0 && dy < f.height){
   return true;
  }
  return false;
 }
 
}