java贪吃蛇代码大全 java贪吃蛇代码详解

哪位能告诉我贪吃蛇游戏的全部代码？

//package main;

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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。

java贪吃蛇代码注释求解

import java.awt.Color;

import java.awt.Graphics;

import java.awt.Graphics2D;

import java.awt.Rectangle;

import java.awt.event.KeyAdapter;

import java.awt.event.KeyEvent;

import java.awt.image.BufferedImage;

import java.util.ArrayList;

import java.util.List;

import javax.swing.JFrame;

public class InterFace extends JFrame {

/**

* WIDTH:宽

* HEIGHT:高

* SLEEPTIME:可以看作蛇运动的速度

* L = 1,R = 2, U = 3, D = 4 左右上下代码

*/

public static final int WIDTH = 800, HEIGHT = 600, SLEEPTIME = 200, L = 1,R = 2, U = 3, D = 4;

BufferedImage offersetImage= new BufferedImage(WIDTH, HEIGHT,BufferedImage.TYPE_3BYTE_BGR)

Rectangle rect = new Rectangle(20, 40, 15 * 50, 15 * 35);

Snake snake;

Node node;

public InterFace() {

//创建"蛇"对象

snake = new Snake(this);

//创建"食物"对象

createNode();

this.setBounds(100, 100, WIDTH, HEIGHT);

//添加键盘监听器

this.addKeyListener(new KeyAdapter() {

public void keyPressed(KeyEvent arg0) {

System.out.println(arg0.getKeyCode());

switch (arg0.getKeyCode()) {

//映射上下左右4个键位

case KeyEvent.VK_LEFT:

snake.dir = L;

break;

case KeyEvent.VK_RIGHT:

snake.dir = R;

break;

case KeyEvent.VK_UP:

snake.dir = U;

break;

case KeyEvent.VK_DOWN:

snake.dir = D;

}

}

});

this.setTitle("贪吃蛇 0.1 By ： Easy");

this.setDefaultCloseOperation(EXIT_ON_CLOSE);

this.setVisible(true);

//启动线程,开始执行

new Thread(new ThreadUpadte()).start();

}

public void paint(Graphics g) {

Graphics2D g2d = (Graphics2D) offersetImage.getGraphics();

g2d.setColor(Color.white);

g2d.fillRect(0, 0, WIDTH, HEIGHT);

g2d.setColor(Color.black);

g2d.drawRect(rect.x, rect.y, rect.width, rect.height);

//如果蛇碰撞(吃)到食物，则创建新食物

if (snake.hit(node)) {

createNode();

}

snake.draw(g2d);

node.draw(g2d);

g.drawImage(offersetImage, 0, 0, null);

}

class ThreadUpadte implements Runnable {

public void run() {

//无限重绘画面

while (true) {

try {

Thread.sleep(SLEEPTIME);

repaint(); //

} catch (InterruptedException e) {

e.printStackTrace();

}

}

}

}

/**

* 创建食物

*/

public void createNode() {

//随机食物的出现位置

int x = (int) (Math.random() * 650) + 50,y = (int) (Math.random() * 500) + 50;

Color color = Color.blue;

node = new Node(x, y, color);

}

public static void main(String args[]) {

new InterFace();

}

}

/**

* 节点类(包括食物和蛇的身躯组成节点)

*/

class Node {

int x, y, width = 15, height = 15;

Color color;

public Node(int x, int y, Color color) {

this(x, y);

this.color = color;

}

public Node(int x, int y) {

this.x = x;

this.y = y;

this.color = color.black;

}

public void draw(Graphics2D g2d) {

g2d.setColor(color);

g2d.drawRect(x, y, width, height);

}

public Rectangle getRect() {

return new Rectangle(x, y, width, height);

}

}

/**

* 蛇

*/

class Snake {

public ListNode nodes = new ArrayListNode();

InterFace interFace;

int dir=InterFace.R;

public Snake(InterFace interFace) {

this.interFace = interFace;

nodes.add(new Node(20 + 150, 40 + 150));

addNode();

}

/**

* 是否碰撞到食物

* @return true 是 false 否

*/

public boolean hit(Node node) {

//遍历整个蛇体是否与食物碰撞

for (int i = 0; i nodes.size(); i++) {

if (nodes.get(i).getRect().intersects(node.getRect())) {

addNode();

return true;

}

}

return false;

}

public void draw(Graphics2D g2d) {

for (int i = 0; i nodes.size(); i++) {

nodes.get(i).draw(g2d);

}

move();

}

public void move() {

nodes.remove((nodes.size() - 1));

addNode();

}

public synchronized void addNode() {

Node nodeTempNode = nodes.get(0);

//如果方向

switch (dir) {

case InterFace.L:

//判断是否会撞墙

if (nodeTempNode.x = 20) {

nodeTempNode = new Node(20 + 15 * 50, nodeTempNode.y);

}

nodes.add(0, new Node(nodeTempNode.x - nodeTempNode.width,

nodeTempNode.y));

break;

case InterFace.R:

//判断是否会撞墙

if (nodeTempNode.x = 20 + 15 * 50 - nodeTempNode.width) {

nodeTempNode = new Node(20 - nodeTempNode.width, nodeTempNode.y);

}

nodes.add(0, new Node(nodeTempNode.x + nodeTempNode.width,

nodeTempNode.y));

break;

case InterFace.U:

//判断是否会撞墙

if (nodeTempNode.y = 40) {

nodeTempNode = new Node(nodeTempNode.x, 40 + 15 * 35);

}

nodes.add(0, new Node(nodeTempNode.x, nodeTempNode.y - nodeTempNode.height));

break;

case InterFace.D:

//判断是否会撞墙

if (nodeTempNode.y = 40 + 15 * 35 - nodeTempNode.height) {

nodeTempNode = new Node(nodeTempNode.x,40 - nodeTempNode.height);

}

nodes.add(0, new Node(nodeTempNode.x, nodeTempNode.y + nodeTempNode.height));

break;

}

}

}

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.*;

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){}

}

}

高手帮忙解释一下JAVA 贪食蛇游戏中蛇的代码

public

class

Snake

implements

Data//蛇类实现了data接口

{

public

Snake()

{

array.add(new

Point(10,

10));//

array.add(new

Point(10,

11));//

array.add(new

Point(10,

12));//

array.add(new

Point(10,

13));//

array.add(new

Point(10,

14));//这五句话是构造一个蛇，这条蛇由五个坐标点连成

currentFlag

=UPFLAG

;//当前的运动方向设为向上

lifeFlag

=

true;//当前蛇的生命设为活着

}

public

void

move()//蛇的运动函数

{

tair

=

(Point)array.get(array.size()

-

1);//得到蛇的尾巴

int

len

=

array.size()

-

2;

for(int

i

=

len;

i

=

0;

i--)//这个for循环把蛇的每一个点都坐标偏移即运动了

{

Point

leftPoint

=

(Point)array.get(i);

Point

rightPoint

=

(Point)array.get(i

+

1);

rightPoint.x

=

leftPoint.x;

rightPoint.y

=

leftPoint.y;//每一个右边的点等于其左边的点，像蛇那样的一缩一张的运动

}

}

public

void

moveHeadLeft()//把蛇的头部转向左边

{

if(currentFlag

==

RIGHTFLAG

||

currentFlag

==

LEFTFLAG)//如果运动方向设为向左或向右则不执行

{

return;

}

move();

Point

point

=

(Point)(array.get(0));

//得到蛇头部

point.x

=

point.x

-

1;//蛇头部横坐标减一，纵坐标不变

point.y

=

point.y;

if(point.x

LEFT)//如果蛇头部不能再左，就不执行

{

lifeFlag

=

false;

}

currentFlag

=

LEFTFLAG;//将蛇运动方向改为左

}