求java贪吃蛇的编程，并有注释

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){}

}

}

求"贪吃蛇"小游戏JAVA源代码一份

贪吃蛇

import java.awt.*;

import java.awt.event.*;

public class GreedSnake //主类

{

/**

* @param args

*/

public static void main(String[] args) {

// TODO Auto-generated method stub

new MyWindow();

}

}

class MyPanel extends Panel implements KeyListener,Runnable//自定义面板类，继承了键盘和线程接口

{

Button snake[]; //定义蛇按钮

int shu=0; //蛇的节数

int food[]; //食物数组

boolean result=true; //判定结果是输 还是赢

Thread thread; //定义线程

static int weix,weiy; //食物位置

boolean t=true; //判定游戏是否结束

int fangxiang=0; //蛇移动方向

int x=0,y=0; //蛇头位置

MyPanel()

{

setLayout(null);

snake=new Button[20];

food=new int [20];

thread=new Thread(this);

for(int j=0;j20;j++)

{

food[j]=(int)(Math.random()*99);//定义20个随机食物

}

weix=(int)(food[0]*0.1)*60; //十位*60为横坐标

weiy=(int)(food[0]%10)*40; //个位*40为纵坐标

for(int i=0;i20;i++)

{

snake[i]=new Button();

}

add(snake[0]);

snake[0].setBackground(Color.black);

snake[0].addKeyListener(this); //为蛇头添加键盘监视器

snake[0].setBounds(0,0,10,10);

setBackground(Color.cyan);

}

public void run() //接收线程

{

while(t)

{

if(fangxiang==0)//向右

{

try

{

x+=10;

snake[0].setLocation(x, y);//设置蛇头位置

if(x==weixy==weiy) //吃到食物

{

shu++;

weix=(int)(food[shu]*0.1)*60;

weiy=(int)(food[shu]%10)*40;

repaint(); //重绘下一个食物

add(snake[shu]); //增加蛇节数和位置

snake[shu].setBounds(snake[shu-1].getBounds());

}

thread.sleep(100); //睡眠100ms

}

catch(Exception e){}

}

else if(fangxiang==1)//向左

{

try

{

x-=10;

snake[0].setLocation(x, y);

if(x==weixy==weiy)

{

shu++;

weix=(int)(food[shu]*0.1)*60;

weiy=(int)(food[shu]%10)*40;

repaint();

add(snake[shu]);

snake[shu].setBounds(snake[shu-1].getBounds());

}

thread.sleep(100);

}

catch(Exception e){}

}

else if(fangxiang==2)//向上

{

try

{

y-=10;

snake[0].setLocation(x, y);

if(x==weixy==weiy)

{

shu++;

weix=(int)(food[shu]*0.1)*60;

weiy=(int)(food[shu]%10)*40;

repaint();

add(snake[shu]);

snake[shu].setBounds(snake[shu-1].getBounds());

}

thread.sleep(100);

}

catch(Exception e){}

}

else if(fangxiang==3)//向下

{

try

{

y+=10;

snake[0].setLocation(x, y);

if(x==weixy==weiy)

{

shu++;

weix=(int)(food[shu]*0.1)*60;

weiy=(int)(food[shu]%10)*40;

repaint();

add(snake[shu]);

snake[shu].setBounds(snake[shu-1].getBounds());

}

thread.sleep(100);

}

catch(Exception e){}

}

int num1=shu;

while(num11)//判断是否咬自己的尾巴

{

if(snake[num1].getBounds().x==snake[0].getBounds().xsnake[num1].getBounds().y==snake[0].getBounds().y)

{

t=false;

result=false;

repaint();

}

num1--;

}

if(x0||x=this.getWidth()||y0||y=this.getHeight())//判断是否撞墙

{

t=false;

result=false;

repaint();

}

int num=shu;

while(num0) //设置蛇节位置

{

snake[num].setBounds(snake[num-1].getBounds());

num--;

}

if(shu==15) //如果蛇节数等于15则胜利

{

t=false;

result=true;

repaint();

}

}

}

public void keyPressed(KeyEvent e) //按下键盘方向键

{

if(e.getKeyCode()==KeyEvent.VK_RIGHT)//右键

{

if(fangxiang!=1)//如果先前方向不为左

fangxiang=0;

}

else if(e.getKeyCode()==KeyEvent.VK_LEFT)

{ if(fangxiang!=0)

fangxiang=1;

}

else if(e.getKeyCode()==KeyEvent.VK_UP)

{ if(fangxiang!=3)

fangxiang=2;

}

else if(e.getKeyCode()==KeyEvent.VK_DOWN)

{ if(fangxiang!=2)

fangxiang=3;

}

}

public void keyTyped(KeyEvent e)

{

}

public void keyReleased(KeyEvent e)

{

}

public void paint(Graphics g) //在面板上绘图

{

int x1=this.getWidth()-1;

int y1=this.getHeight()-1;

g.setColor(Color.red);

g.fillOval(weix, weiy, 10, 10);//食物

g.drawRect(0, 0, x1, y1); //墙

if(t==falseresult==false)

g.drawString("GAME OVER!", 250, 200);//输出游戏失败

else if(t==falseresult==true)

g.drawString("YOU WIN!", 250, 200);//输出游戏成功

}

}

class MyWindow extends Frame implements ActionListener//自定义窗口类

{

MyPanel my;

Button btn;

Panel panel;

MyWindow()

{

super("GreedSnake");

my=new MyPanel();

btn=new Button("begin");

panel=new Panel();

btn.addActionListener(this);

panel.add(new Label("begin后请按Tab键选定蛇"));

panel.add(btn);

panel.add(new Label("按上下左右键控制蛇行动"));

add(panel,BorderLayout.NORTH);

add(my,BorderLayout.CENTER);

setBounds(100,100,610,500);

setVisible(true);

validate();

addWindowListener(new WindowAdapter()

{

public void windowClosing(WindowEvent e)

{

System.exit(0);

}

});

}

public void actionPerformed(ActionEvent e)//按下begin按钮

{

if(e.getSource()==btn)

{

try

{

my.thread.start(); //开始线程

my.validate();

}

catch(Exception ee){}

}

}

}

贪吃蛇 java代码

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();

}

}

本文题目：贪吃蛇障碍java代码 贪吃蛇障碍java代码怎么写
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