捕鱼游戏java源码

package fishlord;
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.image.BufferedImage;
import java.io.IOException;
import java.util.Random;


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


public class Fishlord {


public static void main(String[] args) throws Exception {
JFrame frame = new JFrame("捕鱼游戏源码");
Pool pool = new Pool();
frame.add(pool);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);// 关闭窗口时关闭程序
frame.setSize(800, 480);
frame.setLocationRelativeTo(null);// 设置窗口居中，必须放在setSize之后
frame.setResizable(false);// 不允许用户改变窗口大小
frame.setVisible(true);
pool.action();
}
}


class Pool extends JPanel {
BufferedImage background = null;
Fish fish = null;;
Fish[] fishs = new Fish[9];
Net net = null;
int score = 0;
int fontsize = 20;
Font font = new Font("楷体", Font.BOLD, fontsize);


Pool() throws IOException {
// background = ImageIO.read(new File("bg.jpg")); //读取工程目录图片
background = ImageIO.read(getClass().getResourceAsStream(
"/images/bg.jpg"));
/**1）getClass().getResourceAsStream()方法读取的是src/images包下的图片
* 2）background = ImageIO.read(new File("images/bg.jpg"));
* 这个方法读取的是工程CatchFish/images文件夹下的图片
*/
       
for (int i = 0; i < 9; i++) {
fish = new Fish("fish0" + (i + 1));
fishs[i] = fish;
fish.start();
}
}


public void paint(Graphics g) {  //paint什么时候调用？
//System.out.println("paint");
g.drawImage(background, 0, 0, null);
for (int i = 0; i <fishs.length; i++) {
Fish tempfish = fishs[i];
g.drawImage(tempfish.fishimage, tempfish.x, tempfish.y, null);
}
if (net.show) {
g.drawImage(net.netimage, net.x - net.width / 2, net.y - net.height
/ 2, null);
}
g.setFont(font);
g.setColor(Color.white);
g.drawString("SCORE:", 10, 20);
g.setColor(Color.red);
g.drawString("      " + score, 10, 20);
}


public void action() throws Exception {

net = new Net();


MouseAdapter m = new MouseAdapter() {
public void mouseEntered(MouseEvent e) {
net.show = true;
}


public void mouseExited(MouseEvent e) {
net.show = false;
}


// 在鼠标移动时候执行
public void mouseMoved(MouseEvent e) {
// MouseEvent 鼠标事件:鼠标事件发生时间地点人物
long time = e.getWhen();
int x = e.getX();
int y = e.getY();


// Object o=e.getSource();//发生事件的物体pool
net.x = x;
net.y = y;
}


public void mousePressed(MouseEvent e) {
catchFish();// catch:抓鱼 在鼠标按下的时候，进行抓鱼操作
}


};
// 在当前方法中代表当前的 这个（this）pool对象
this.addMouseListener(m); // 处理这个pool对象鼠标动作
this.addMouseMotionListener(m);
net.show = true;// 调试代码


while (true) {
//System.out.println("repaint");
repaint();
try {
Thread.sleep(80);
} catch (Exception e) {
e.printStackTrace();
}
}
}


protected void catchFish() {
// 鱼在不在网的范围内？在的话就让鱼消失
for (int i = 0; i < fishs.length; i++) {
fish = fishs[i];
if (fish.contains(net.x, net.y)) {// 判断在不在网的范围
fish.getOut();
score += fish.width / 10;
}
}
}


}


class Fish extends Thread {
int x, y, index = 0, width, height, step;


BufferedImage fishimage;
BufferedImage[] fishimages = new BufferedImage[9];
Random r;


Fish(String fishname) throws IOException {
//System.out.println("Fish()");
for (int i = 0; i < 9; i++) {
// BufferedImage tempfishimage = ImageIO.read(new File(fishname +
// "_0"
// + (i + 1) + ".png"));
BufferedImage tempfishimage = ImageIO.read(getClass()
.getResourceAsStream(
"/images/" + fishname + "_0" + (i + 1) + ".png"));
fishimages[i] = tempfishimage;
}
fishimage = fishimages[index];
r = new Random();// 不写数字表示的是int范围内的一个数字
width = fishimage.getWidth();
height = fishimage.getHeight();
x = 790;
y = r.nextInt(470 - height);
step = r.nextInt(4) + 1;
}


public void run() {
while (true) {
try {
Thread.sleep(50);
index++;
fishimage = fishimages[index % fishimages.length];
// 现在要动，所以要改变图片？300
x = x - step;
if (x <= 0 || y <= 0 || y >= 480)
getOut();
} catch (Exception e) {
}
}
}


// 检查（netx,nety）的坐标是否在鱼的范围之内
public boolean contains(int netx, int nety) {
int dx = netx - x;
int dy = nety - y;
return dx >= 0 && dx <= width && dy >= 0 && dy <= height;
}


void getOut() {
Random r = new Random();
x = 790;
y = r.nextInt(470 - height);
step = r.nextInt(4) + 1;
}
}


class Net {
// 网的位置随着鼠标指针的移动而移动
BufferedImage netimage = null;
int x = 0, y = 0, width, height;
boolean show;// 是否显示当前网对象


Net() throws Exception {
// netimage = ImageIO.read(new File("net09.png"));


netimage = ImageIO.read(getClass().getResourceAsStream(
"/images/net09.png"));
show = false;
width = netimage.getWidth();
height = netimage.getHeight();
}
}