J2ME贪吃蛇源代码——200行左右，包含详细注释 package snake;import javax.microedition.midlet.*;
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import javax.microedition.lcdui.*;public class SnakeMIDlet extends MIDlet {
SnakeCanvas displayable = new SnakeCanvas();
public SnakeMIDlet() {
Display.getDisplay(this).setCurrent(displayable);
}public void startApp() {}public void pauseApp() {}public void destroyApp(boolean unconditional) {}}//文件名：SnakeCanvas.javapackage snake;import java.util.*;
import javax.microedition.lcdui.*;/**
* 贪吃蛇游戏
*/
public class SnakeCanvas extends Canvas implements Runnable{
/**存储贪吃蛇节点坐标,其中第二维下标为0的代表x坐标，第二维下标是1的代表y坐标*/
int[][] snake = new int[200][2];
/**已经使用的节点数量*/
int snakeNum;
/**贪吃蛇运动方向,0代表向上，1代表向下,2代表向左,3代表向右*/
int direction;
/*移动方向*/
/**向上*/
private final int DIRECTION_UP = 0;
/**向下*/
private final int DIRECTION_DOWN = 1;
/**向左*/
private final int DIRECTION_LEFT = 2;
/**向右*/
private final int DIRECTION_RIGHT = 3;/**游戏区域宽度*/
int width;
/**游戏区域高度*/
int height;/**蛇身单元宽度*/
private final byte SNAKEWIDTH = 4;/**是否处于暂停状态,true代表暂停*/
boolean isPaused = false;
/**是否处于运行状态,true代表运行*/
boolean isRun = true;/**时间间隔*/
private final int SLEEP_TIME = 300;
/**食物的X坐标*/
int foodX;
/**食物的Y坐标*/
int foodY;
/**食物的闪烁控制*/
boolean b = true;
/**Random对象*/
Random random = new Random();
public SnakeCanvas() {
//初始化
init();
width = this.getWidth();
height = this.getHeight();
//启动线程
new Thread(this).start();
}/**
* 初始化开始数据
*/
private void init(){
//初始化节点数量
snakeNum = 7;
//初始化节点数据
for(int i = 0;i snakeNum;i++){
snake[i][0] = 100 - SNAKEWIDTH * i;
snake[i][1] = 40;
}
//初始化移动方向
direction = DIRECTION_RIGHT;
//初始化食物坐标
foodX = 100;
foodY = 100;
}protected void paint(Graphics g) {
//清屏
g.setColor(0xffffff);
g.fillRect(0,0,width,height);
g.setColor(0);//绘制蛇身
for(int i = 0;i snakeNum;i++){
g.fillRect(snake[i][0],snake[i][1],SNAKEWIDTH,SNAKEWIDTH);
}
//绘制食物
if(b){
g.fillRect(foodX,foodY,SNAKEWIDTH,SNAKEWIDTH);
}
}private void move(int direction){
//蛇身移动
for(int i = snakeNum - 1;i 0;i--){
snake[i][0] = snake[i - 1][0];
snake[i][1] = snake[i - 1][1];
}//第一个单元格移动
switch(direction){
case DIRECTION_UP:
snake[0][1] = snake[0][1] - SNAKEWIDTH;
break;
case DIRECTION_DOWN:
snake[0][1] = snake[0][1] + SNAKEWIDTH;
break;
case DIRECTION_LEFT:
snake[0][0] = snake[0][0] - SNAKEWIDTH;
break;
case DIRECTION_RIGHT:
snake[0][0] = snake[0][0] + SNAKEWIDTH;
break;
}
}
/**
* 吃掉食物，自身增长
*/
private void eatFood(){
//判别蛇头是否和食物重叠
if(snake[0][0] == foodX snake[0][1] == foodY){
snakeNum++;
generateFood();
}
}
/**
* 产生食物
* 说明：食物的坐标必须位于屏幕内，且不能和蛇身重合
*/
private void generateFood(){
while(true){
foodX = Math.abs(random.nextInt() % (width - SNAKEWIDTH + 1))
/ SNAKEWIDTH * SNAKEWIDTH;
foodY = Math.abs(random.nextInt() % (height - SNAKEWIDTH + 1))
/ SNAKEWIDTH * SNAKEWIDTH;
boolean b = true;
for(int i = 0;i snakeNum;i++){
if(foodX == snake[i][0] snake[i][1] == foodY){
b = false;
break;
}
}
if(b){
break;
}
}
}
/**
* 判断游戏是否结束
* 结束条件：
* 1、蛇头超出边界
* 2、蛇头碰到自身
*/
private boolean isGameOver(){
//边界判别
if(snake[0][0] 0 || snake[0][0] (width - SNAKEWIDTH) ||
snake[0][1] 0 || snake[0][1] (height - SNAKEWIDTH)){
return true;
}
//碰到自身
for(int i = 4;i snakeNum;i++){
if(snake[0][0] == snake[i][0]
snake[0][1] == snake[i][1]){
return true;
}
}
return false;
}/**
* 事件处理
*/
public void keyPressed(int keyCode){
int action = this.getGameAction(keyCode);
//改变方向
switch(action){
case UP:
if(direction != DIRECTION_DOWN){
direction = DIRECTION_UP;
}
break;
case DOWN:
if(direction != DIRECTION_UP){
direction = DIRECTION_DOWN;
}
break;
case LEFT:
if(direction != DIRECTION_RIGHT){
direction = DIRECTION_LEFT;
}
break;
case RIGHT:
if(direction != DIRECTION_LEFT){
direction = DIRECTION_RIGHT;
}
break;
case FIRE:
//暂停和继续
isPaused = !isPaused;
break;
}
}/**
* 线程方法
* 使用精确延时
*/
public void run(){
try{
while (isRun) {
//开始时间
long start = System.currentTimeMillis();
if(!isPaused){
//吃食物
eatFood();
//移动
move(direction);
//结束游戏
if(isGameOver()){
break;
}
//控制闪烁
b = !b;
}
//重新绘制
repaint();
long end = System.currentTimeMillis();
//延时
if(end - start SLEEP_TIME){
Thread.sleep(SLEEP_TIME - (end - start));
}
}
}catch(Exception e){}
}
}
三个文件，楼主看好：
运行可以，但是并不能鼓吹是一个具有好的风格的代码，。
//文件一
package greedysnake_cx;
public class Node {
int x=0;
int y=0;
int nodewidth;
int nodeheight;
Node(int x,int y){
this.x=x;
this.y=y;
}
}
//文件二
package greedysnake_cx;
/**
* 实现一个greedysnake的模型，具有功能：
* 1）移动，moveOn（）－－－－从director参数中获取方向信息，如果方向定义的下一个点的逻辑值是true，检查是不是food，是则将food添加到
* 列表的头部，snake继续移动，不是则停止移动（撞到蛇尾巴了）
* 2）加速，speedUp()－－－－将现成的停滞时间间隔interval按照一定的比率 speedRate进行扩大
* 3）减速，speedDown()－－－－....
*
* 该类实现Runnable接口，
* */
//定义snake的模型
import java.util.*;
import javax.swing.*;
public class SnakeModel implements Runnable {
private GreedSnake gs;
//给每一个矩阵点确立一个boolean值
boolean[][] matrix;
private int maxX;
private int maxY;
//设置一个节点的列表；
LinkedList nodeArray = new LinkedList();
Node food=null;
int direction=UP;
int score=0;
//定义方向
public final static int LEFT=1;
public final static int UP=2;
public final static int RIGHT=3;
public final static int DOWN=4;
private int interval=200; //停顿时间的间隔
boolean pause=false; //定义暂停
private double speedRate=0.5; //定义速度的变更幅度
//constructor
public SnakeModel(GreedSnake gs,int maxx,int maxy){
this.gs=gs;
this.maxX=maxx;
this.maxY=maxy;
//this.matrix=null;
////////////////////////////////////////////////////////////////////
//init matrix[][];
matrix=new boolean[maxX][]; //***********************不初始化是不行滴
for(int i=0;imaxX;i++){
matrix[i]=new boolean[maxY];//将矩阵的每一行定义成列的集合
Arrays.fill(matrix[i], false);///使用java.util.Arrays的static方法fill，将matrix[]数组里面的元素全部定义成false
//至此，矩阵里面所有的点的boolean值都是flase
//for(int j=0;jmaxY;j++){
//matrix[i][j]=false;
//}
}
////////////////////////////////////////////////////////////////////
//init nodeArray
int initlength=10;
for(int i=0;iinitlength;i++){
//确保snake出现在屏幕的中央 assure that the greedy snake appears in the center of the model
//snake的长度由maxX来确定
int x=maxX/2+i;
int y=maxY/2;
nodeArray.addFirst(new Node(x,y));
matrix[x][y]=true;
}
//////////////////////////////////////////////////////////////////////
//创建食物
food=createFood();
System.out.println("some test!");
matrix[food.x][food.y]=true;
}//end constructor
//snake动起
public boolean moveOn(){
Node head=(Node)nodeArray.getFirst();
int x=head.x;
int y=head.y;
switch(direction){
case LEFT:
x--;break;
case UP:
y--;break;
case RIGHT:
x++;break;
case DOWN:
y++;break;
default:
}
if((x = 0 x maxX) (y = 0 y maxY)){
if(matrix[x][y]){//当蛇头转至一个bool值为true的点时
if(x==food.xy==food.y){//该点是食物
nodeArray.addFirst(food);
//吃掉补上
food=createFood();
matrix[food.x][food.y]=true;
score+=10;
return true;
}
else //该点不是食物，（蛇尾巴）
return false;
}
else{
nodeArray.addFirst(new Node(x,y));
matrix[x][y]=true;
Node nn=(Node)nodeArray.removeLast();//移除并且返回列表中的最后一个元素
matrix[nn.x][nn.y]=false;
return true;
}
}
return false;
}//end moveOn
public void run() {
boolean running=true;
while(running){
try{
Thread.sleep(interval);
}
catch(InterruptedException e){
e.printStackTrace();
}
if(!pause){
if(moveOn()){
gs.repaint();
}
else{
JOptionPane.showMessageDialog(null, "sorry myboy,GAME OVER!", "message", JOptionPane.INFORMATION_MESSAGE);
running=false;
}
}
}
/*boolean running=true;
while(running){
try{
Thread.sleep(interval);
}
catch (InterruptedException e){
e.printStackTrace();
}
if(!pause){
if(moveOn()){
gs.repaint();
}
else{
JOptionPane.showMessageDialog(null,"i am sorry ,you failed!","message",JOptionPane.INFORMATION_MESSAGE);
break;
}
}
}//end while
running=false;//当且仅当失败退出的时候；
*/
}
//获取当前游戏得分
public int getScore(){
return this.score;
}
//加速
public void speedUp(){
interval*=speedRate;
}
//减速
public void speedDown(){
interval/=speedRate;
}
//设置暂停
public void chagePause(){
pause=!pause;
}
//设置方向
public void chageDirection(int newdirection){
if(direction % 2 != newdirection % 2){
direction=newdirection;
}
}
//生成食物
private Node createFood() {
/*
* 创建一个随机数的生成器，这个是java.util.Random类
* 与java.lang.Math类中的random()方法有不一样的地方，彼方法返回一个0－1之间的随机数
* */
Random random=new Random();
int foodx=random.nextInt(maxX);
int foody=random.nextInt(maxY);
Node food=new Node(foodx,foody);
return food;
}
}
//文件三
package greedysnake_cx;
/**
* 在repaint()方法中，绘画上下文对象是从canvas对象使用getContentPane()获取的!!
* */
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
public class GreedSnake implements KeyListener{
Canvas canvas;
private JLabel jlabel;
private JPanel jpanel;
private JFrame jframe;
SnakeModel snakemodel;
private final static int canvaswidth=400;
private final static int canvasheight=300;
private final static int nodewidth=10;
private final static int nodeheight=10;
//construction
GreedSnake(){
jframe=new JFrame("The Greed Sanke!");
jframe.setLayout(new BorderLayout());
Container cp=jframe.getContentPane();
//在jframe面板中添加各种组件
jlabel=new JLabel("welcome");
jlabel.setText("Welcome my friend! Enjoy your self!");
cp.add(jlabel,BorderLayout.NORTH);
canvas=new Canvas();
canvas.setSize(canvaswidth,canvasheight);
canvas.addKeyListener(this); //给空白面板添加键盘时间监听器！
cp.add(canvas,BorderLayout.CENTER);
jpanel=new JPanel();
jpanel.setLayout(new BorderLayout());
JLabel label=new JLabel("Pass enter or 'r' or 's' to start",JLabel.CENTER);
jpanel.add(label,BorderLayout.NORTH);
JLabel label2=new JLabel("Pass space to pause this game!",JLabel.CENTER);
jpanel.add(label2,BorderLayout.CENTER);
JLabel label3=new JLabel("Pass pageUp or pageDown to up or down the speed of the snake!",JLabel.CENTER);
jpanel.add(label3,BorderLayout.SOUTH);
cp.add(jpanel,BorderLayout.SOUTH);
//给顶层容器设置时间监听、可视化、关闭按钮的设定
jframe.addKeyListener(this);
jframe.pack();
jframe.setVisible(true);
jframe.setResizable(false);
jframe.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
begin();
}//end construction
public void begin(){
//开启一个SnakeModel的进程,并且开始改进程
snakemodel=new SnakeModel(this,canvaswidth/nodewidth,canvasheight/nodeheight);
(new Thread(snakemodel)).start();
}
void repaint(){
int score=snakemodel.getScore();
jlabel.setText("您的得分是："+score);
Graphics g=canvas.getGraphics();///pay attention!
g.setColor(Color.white);
g.fillRect(0, 0, canvaswidth, canvasheight);
g.setColor(Color.blue);
LinkedList list=snakemodel.nodeArray;
for(int i=0;ilist.size();i++){
Node nn=(Node)list.get(i);
paintingNode(g,nn);
}
//绘制food
g.setColor(Color.green);
Node foodnode=new Node(snakemodel.food.x,snakemodel.food.y);
paintingNode(g,foodnode);
}
public void paintingNode(Graphics gg,Node n){
/*
* 使用Graphics 的fillRect方法，填充一个矩形，
* 矩形的起点需要乘以一个NODE的长宽，以避免重叠
* */
gg.fillRect(n.x*nodewidth, n.y*nodeheight,nodewidth-1,nodeheight-1);
}
public void keyPressed(KeyEvent e) {//按下某一个键时，调用此方法
int keycode=e.getKeyCode();
/* if(keycode==KeyEvent.VK_ENTER||keycode==KeyEvent.VK_R){
begin();
}*/
switch(keycode){
case KeyEvent.VK_LEFT:
snakemodel.chageDirection(SnakeModel.LEFT);
break;
case KeyEvent.VK_UP:
snakemodel.chageDirection(SnakeModel.UP);
break;
case KeyEvent.VK_RIGHT:
snakemodel.chageDirection(SnakeModel.RIGHT);
break;
case KeyEvent.VK_DOWN:
snakemodel.chageDirection(SnakeModel.DOWN);
break;
case KeyEvent.VK_PAGE_DOWN:
snakemodel.speedDown();
break;
case KeyEvent.VK_PAGE_UP:
snakemodel.speedUp();
break;
case KeyEvent.VK_ENTER:
case KeyEvent.VK_R:
begin();
break;
case KeyEvent.VK_SPACE:
case KeyEvent.VK_P:
snakemodel.chagePause();
default:
}//end switch
}//end keyPressed
public void keyReleased(KeyEvent e) {//释放某一个键时，调用此方法
}
public void keyTyped(KeyEvent e) {//键入某一个键时，调用此方法！
}
//main
public static void main(String[] args){
GreedSnake gs=new GreedSnake();
}
}
//package main;
import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStreamReader;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
public class TanChiShe implements KeyListener,ActionListener{
/**
* @param args
*/
int max = 300;//蛇长最大值
final int JianJu = 15; //设定蛇的运动网格间距（窗口最大32*28格）
byte fangXiang = 4; //控制蛇的运动方向,初始为右
int time = 500; //蛇的运动间隔时间
int jianTime = 2;//吃一个减少的时间
int x,y;//蛇的运动坐标，按网格来算
int x2,y2;//暂存蛇头的坐标
int jiFenQi = 0;//积分器
boolean isRuned = false;//没运行才可设级别
boolean out = false;//没开始运行?
boolean run = false;//暂停运行
String JiBie = "中级";
JFrame f = new JFrame("贪吃蛇 V1.0");
JPanel show = new JPanel();
JLabel Message = new JLabel("级别：中级 蛇长：5 时间500ms 分数:00");
// JButton play = new JButton("开始");
JLabel sheTou;
JLabel shiWu;
JLabel sheWei[] = new JLabel[max];
static int diJi = 4; //第几个下标的蛇尾要被加上
ImageIcon shang = new ImageIcon("tuPian\\isSheTouUp.png");//产生四个上下左右的蛇头图案
ImageIcon xia = new ImageIcon("tuPian\\isSheTouDown.png");
ImageIcon zhuo = new ImageIcon("tuPian\\isSheTouLeft.png");
ImageIcon you = new ImageIcon("tuPian\\isSheTouRight.png");
JMenuBar JMB = new JMenuBar();
JMenu file = new JMenu("开始游戏");
JMenuItem play = new JMenuItem(" 开始游戏 ");
JMenuItem pause = new JMenuItem(" 暂停游戏 ");
JMenu hard = new JMenu("游戏难度");
JMenuItem gao = new JMenuItem("高级");
JMenuItem zhong = new JMenuItem("中级");
JMenuItem di = new JMenuItem("低级");
JMenu about = new JMenu(" 关于 ");
JMenuItem GF = new JMenuItem("※高分榜");
JMenuItem ZZ = new JMenuItem("关于作者");
JMenuItem YX = new JMenuItem("关于游戏");
JMenuItem QK = new JMenuItem("清空记录");
static TanChiShe tcs = new TanChiShe();
public static void main(String[] args) {
// TanChiShe tcs = new TanChiShe();
tcs.f();
}
public void f(){
f.setBounds(250,100,515,530);
f.setLayout(null);
f.setAlwaysOnTop(true);//窗口始终保持最前面
f.setBackground(new Color(0,0,0));
f.setDefaultCloseOperation(0);
f.setResizable(false);
f.setVisible(true);
// f.getContentPane().setBackground(Color.BLACK);
f.addWindowListener(new WindowAdapter(){
public void windowClosing(WindowEvent e){
System.exit(0);//退出程序
}
});
f.setJMenuBar(JMB);
JMB.add(file);
file.add(play);
file.add(pause);
JMB.add(hard);
hard.add(gao);
hard.add(zhong);
hard.add(di);
JMB.add(about);
about.add(GF);
GF.setForeground(Color.blue);
about.add(ZZ);
about.add(YX);
about.add(QK);
QK.setForeground(Color.red);
f.add(show);
show.setBounds(0,f.getHeight()-92,f.getWidth(),35);
// show.setBackground(Color.green);
// f.add(play);
// play.setBounds(240,240,80,25);
play.addActionListener(this);
pause.addActionListener(this);
gao.addActionListener(this);
zhong.addActionListener(this);
di.addActionListener(this);
GF.addActionListener(this);
ZZ.addActionListener(this);
YX.addActionListener(this);
QK.addActionListener(this);
show.add(Message);
Message.setForeground(Color.blue);
f.addKeyListener(this);
// show.addKeyListener(this);
play.addKeyListener(this);
sheChuShi();
}
public void sheChuShi(){//蛇初始化
sheTou = new JLabel(you);//用向右的图来初始蛇头
f.add(sheTou);
sheTou.setBounds(JianJu*0,JianJu*0,JianJu,JianJu);
// System.out.println("ishere");
shiWu = new JLabel("■");
f.add(shiWu);
shiWu.setBounds(10*JianJu,10*JianJu,JianJu,JianJu);
for(int i=0;i=diJi;i++) {
sheWei[i] = new JLabel("■");
f.add(sheWei[i]);
sheWei[i].setBounds(-1*JianJu,0*JianJu,JianJu,JianJu);
}
while(true){
if(out == true){
yunXing();
break;
}
try{
Thread.sleep(200);
}catch(Exception ex){
ex.printStackTrace();
}
}
}
public void sheJiaChang(){//蛇的长度增加
if(diJi max){
sheWei[++diJi] = new JLabel(new ImageIcon("tuPian\\isSheWei.jpg"));
f.add(sheWei[diJi]);
sheWei[diJi].setBounds(sheWei[diJi-1].getX(),sheWei[diJi-1].getY(),JianJu,JianJu);
// System.out.println("diJi "+diJi);
}
}
public void pengZhuanJianCe(){//检测蛇的碰撞情况
if(sheTou.getX()0 || sheTou.getY()0 ||
sheTou.getX()f.getWidth()-15 || sheTou.getY()f.getHeight()-105 ){
gameOver();
// System.out.println("GameOVER");
}
if(sheTou.getX() == shiWu.getX() sheTou.getY() == shiWu.getY()){
out: while(true){
shiWu.setLocation((int)(Math.random()*32)*JianJu,(int)(Math.random()*28)*JianJu);
for(int i=0;i=diJi;i++){
if(shiWu.getX()!= sheWei[i].getX() shiWu.getY()!=sheWei[i].getY()
sheTou.getX()!=shiWu.getX() sheTou.getY()!= shiWu.getY()){//如果食物不在蛇身上则退出循环，产生食物成功
break out;
}
}
}
sheJiaChang();
// System.out.println("吃了一个");
if(time100 ){
time -= jianTime;
}
else{}
Message.setText("级别:"+JiBie+" 蛇长:"+(diJi+2)+" 时间:"+time+"ms 分数:"+(jiFenQi+=10)+"");
}
for(int i=0;i=diJi;i++){
if(sheTou.getX() == sheWei[i].getX() sheTou.getY() == sheWei[i].getY()){
gameOver();
// System.out.println("吃到尾巴了");
}
}
}
public void yunXing(){
while(true){
while(run){
if(fangXiang == 1){//上
y-=1;
}
if(fangXiang == 2){//下
y+=1;
}
if(fangXiang == 3){//左
x-=1;
}
if(fangXiang == 4){//右
x+=1;
}
x2 = sheTou.getX();
y2 = sheTou.getY();
sheTou.setLocation(x*JianJu,y*JianJu); //设置蛇头的坐标 网格数*间隔
for(int i=diJi;i=0;i--){
if(i==0){
sheWei[i].setLocation(x2,y2);
// System.out.println(i+" "+sheTou.getX()+" "+sheTou.getY());
}
else{
sheWei[i].setLocation(sheWei[i-1].getX(),sheWei[i-1].getY());
// System.out.println(i+" "+sheWei[i].getX()+" "+sheWei[i].getY());
}
}
pengZhuanJianCe();
try{
Thread.sleep(time);
}catch(Exception e){
e.printStackTrace();
}
}
Message.setText("级别:"+JiBie+" 蛇长:"+(diJi+2)+" 时间:"+time+"ms 分数:"+(jiFenQi+=10)+"");
try{
Thread.sleep(200);
}catch(Exception e){
e.printStackTrace();
}
}
}
public void gameOver(){//游戏结束时处理
int in = JOptionPane.showConfirmDialog(f,"游戏已经结束!\n是否要保存分数","提示",JOptionPane.YES_NO_OPTION);
if(in == JOptionPane.YES_OPTION){
// System.out.println("YES");
String s = JOptionPane.showInputDialog(f,"输入你的名字：");
try{
FileInputStream fis = new FileInputStream("GaoFen.ini");//先把以前的数据读出来加到写的数据前
InputStreamReader isr = new InputStreamReader(fis);
BufferedReader br = new BufferedReader(isr);
String s2,setOut = "";
while((s2=br.readLine())!= null){
setOut =setOut+s2+"\n";
}
FileOutputStream fos = new FileOutputStream("GaoFen.ini");//输出到文件流
s = setOut+s+":"+jiFenQi+"\n";
fos.write(s.getBytes());
}catch(Exception e){}
}
System.exit(0);
}
public void keyTyped(KeyEvent arg0) {
// TODO 自动生成方法存根
}
public void keyPressed(KeyEvent arg0) {
// System.out.println(arg0.getSource());
if(arg0.getKeyCode() == KeyEvent.VK_UP){//按上下时方向的值相应改变
if(fangXiang != 2){
fangXiang = 1;
// sheTou.setIcon(shang);//设置蛇的方向
}
// System.out.println("UP");
}
if(arg0.getKeyCode() == KeyEvent.VK_DOWN){
if(fangXiang != 1){
fangXiang = 2;
// sheTou.setIcon(xia);
}
// System.out.println("DOWN");
}
if(arg0.getKeyCode() == KeyEvent.VK_LEFT){//按左右时方向的值相应改变
if(fangXiang != 4){
fangXiang = 3;
// sheTou.setIcon(zhuo);
}
// System.out.println("LEFT");
}
if(arg0.getKeyCode() == KeyEvent.VK_RIGHT){
if(fangXiang != 3){
fangXiang = 4;
// sheTou.setIcon(you);
}
// System.out.println("RIGHT");
}
}
public void keyReleased(KeyEvent arg0) {
// TODO 自动生成方法存根
}
public void actionPerformed(ActionEvent arg0) {
// TODO 自动生成方法存根
JMenuItem JI = (JMenuItem)arg0.getSource();
if(JI == play){
out = true;
run = true;
isRuned = true;
gao.setEnabled(false);
zhong.setEnabled(false);
di.setEnabled(false);
}
if(JI == pause){
run = false;
}
if(isRuned == false){//如果游戏还没运行，才可以设置级别
if(JI == gao){
time = 200;
jianTime = 1;
JiBie = "高级";
Message.setText("级别："+JiBie+" 蛇长:"+(diJi+2)+" 时间:"+time+"ms 分数:"+jiFenQi);
}
if(JI == zhong){
time = 400;
jianTime = 2;
JiBie = "中级";
Message.setText("级别："+JiBie+" 蛇长:"+(diJi+2)+" 时间:"+time+"ms 分数:"+jiFenQi);
}
if(JI == di){
time = 500;
jianTime = 3;
JiBie = "低级";
Message.setText("级别："+JiBie+" 蛇长:"+(diJi+2)+" 时间:"+time+"ms 分数:"+jiFenQi);
}
}
if(JI == GF){
try{
FileInputStream fis = new FileInputStream("GaoFen.ini");
InputStreamReader isr = new InputStreamReader(fis);
BufferedReader br = new BufferedReader(isr);
String s,setOut = "";
while((s=br.readLine())!= null){
setOut =setOut+s+"\n";
}
if(setOut.equals("")){
JOptionPane.showMessageDialog(f,"暂无保存记录!","高分榜",JOptionPane.INFORMATION_MESSAGE);
}
else{
JOptionPane.showMessageDialog(f,setOut);
}
}catch(Exception e){
e.printStackTrace();
}
}
if(JI == ZZ){//关于作者
JOptionPane.showMessageDialog(f,"软件作者：申志飞\n地址：四川省绵阳市\nQQ：898513806\nE-mail:shenzhifeiok@126点抗 ","关于作者",JOptionPane.INFORMATION_MESSAGE);
}
if(JI == YX){//关于游戏
JOptionPane.showMessageDialog(f,"贪吃蛇游戏\n游戏版本 V1.0","关于游戏",JOptionPane.INFORMATION_MESSAGE);
}
if(JI == QK){
try{
int select = JOptionPane.showConfirmDialog(f,"确实要清空记录吗？","清空记录",JOptionPane.YES_OPTION);
if(select == JOptionPane.YES_OPTION){
String setOut = "";
FileOutputStream fos = new FileOutputStream("GaoFen.ini");//输出到文件流
fos.write(setOut.getBytes());
}
}catch(Exception ex){}
}
}
}
//是我自己写的，本来里面有图片的，但无法上传，所以把图片去掉了，里面的ImageIcon等语句可以去掉。能正常运行。
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.util.*;
public class SnakeGame extends JFrame implements KeyListener{
private int stat=1,direction=0,bodylen=6,headx=7,heady=8,
tailx=1,taily=8,tail,foodx,foody,food;//初始化定义变量
public final int EAST=1,WEST=2,SOUTH=3,NORTH=4;//方向常量
int [][] fillblock=new int [20][20];//定义蛇身所占位置
public SnakeGame() {//构造函数
super("贪吃蛇");
setSize(510,510);
setVisible(true);//设定窗口属性
addKeyListener(this);//添加监听
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
for(int i=1;i=7;i++) fillblock[i][8]=EAST;//初始化蛇身属性
direction=EAST;//方向初始化的设置
FoodLocate(); //定位食物
while (stat==1){
fillblock[headx][heady]=direction;
switch(direction){
case 1:headx++;break;
case 2:headx--;break;
case 3:heady++;break;
case 4:heady--;break;
}//蛇头的前进
if(heady19||headx19||tailx19||taily19||heady0||headx0||tailx0||taily0||fillblock[headx][heady]!=0){
stat=0;
break;
} //判断游戏是否结束
try{
Thread.sleep(150); }
catch(InterruptedException e){}//延迟
fillblock[headx][heady]=direction;
if(headx==foodxheady==foody){//吃到食物
FoodLocate();
food=2;
try{
Thread.sleep(100); }
catch(InterruptedException e){}//延迟
}
if(food!=0)food--;
else{tail=fillblock[tailx][taily];
fillblock[tailx][taily]=0;//蛇尾的消除
switch(tail){
case 1:tailx++;break;
case 2:tailx--;break;
case 3:taily++;break;
case 4:taily--;break;
}//蛇尾的前进
}
repaint();
}
if(stat==0)
JOptionPane.showMessageDialog(null,"GAME OVER","Game Over",JOptionPane.INFORMATION_MESSAGE);
}
public void keyPressed(KeyEvent e) {//按键响应
int keyCode=e.getKeyCode();
if(stat==1) switch(keyCode){
case KeyEvent.VK_UP:if(direction!=SOUTH) direction=NORTH;break;
case KeyEvent.VK_DOWN:if(direction!=NORTH)direction=SOUTH;break;
case KeyEvent.VK_LEFT:if(direction!=EAST)direction=WEST;break;
case KeyEvent.VK_RIGHT:if (direction!=WEST)direction=EAST;break;
}
}
public void keyReleased(KeyEvent e){}//空函数
public void keyTyped(KeyEvent e){} //空函数
public void FoodLocate(){//定位食物坐标
do{
Random r=new Random();
foodx=r.nextInt(20);
foody=r.nextInt(20);
}while (fillblock[foodx][foody]!=0);
}
public void paint(Graphics g){//画图
super.paint(g);
g.setColor(Color.BLUE);
for(int i=0;i20;i++)
for(int j=0;j20;j++)
if (fillblock[i][j]!=0)
g.fillRect(25*i+5,25*j+5,24,24);
g.setColor(Color.RED);
g.fillRect(foodx*25+5,foody*25+5,24,24);
}
public static void main(String[] args) {//主程序
SnakeGame application=new SnakeGame();
}
}
