不合意的自己去修改
import j**a.awt.*;import j**a.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 keyl**tener,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(**);snake=new button[20];food=new int[20];thread=new thread(th**);for(int j=0;j;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;i;i+)
{
snake[i]=new button();}
add(snake[0]);snake[0].setbackground(color.black);snake[0].addkeyl**tener(th**);为蛇头添加键盘**
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=weix&y=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=weix&y=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=weix&y=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=weix&y=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(num1>1)/判断是否咬自己的尾巴
{
if(snake[num1].getbounds().x=snake[0].getbounds().x&snake[num1].getbounds().y=snake[0].getbounds().y)
{
t=false;result=false;repaint();}
num1-;}
if(x|x>=th**.getwidth()|y|y>=th**.getheight())/判断是否撞墙
{
t=false;result=false;repaint();}
int num=shu;while(num>0)/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=th**.getwidth()-1;int y1=th**.getheight()-1;g.setcolor(color.red);g.filloval(weix,weiy,10,10);食物
g.drawrect(0,0,x1,y1);墙
if(t=false&result=false)
g.drawstring("game over!250,200);输出游戏失败
else if(t=false&result=true)
g.drawstring("you win!250,200);输出游戏成功
}
}
class mywindow extends frame implements actionl**tener/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.addactionl**tener(th**);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);setv**ible(true);validate();addwindowl**tener(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){}
}
}
}