1. [代码]java 简单程序     跳至 [1] [全屏预览]
package com.snake;
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);
setLocationRelativeTo(null);
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(heady>19||headx>19||tailx>19||taily>19||heady<0||headx<0||tailx<0||taily<0||fillblock[headx][heady]!=0)
{   
stat=0;     
break;  
} //判断游戏是否结束
try
{
Thread.sleep(100); 
}catch(InterruptedException e){}//延迟
fillblock[headx][heady]=direction;
    if(headx==foodx&&heady==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(); 
    }css3
if(stat==0)
 JOptionPane.showMessageDialog(null,"GAME OVER","Game Over",JOptionPane.INFORMATION_MESSAGE);
}http://www.huiyi8.com/moban/?
    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;i<20;i++) 
    for(int j=0;j<20;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();  
    }
 }