丽江特产有哪些:Java高手进来

贪吃蛇

/***注释简单点啦
而且很多功能没有完善了****/
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
class Snake extends JFrame implements ActionListener,KeyListener,Runnable
{
JMenuBar bar;
JMenu menu1;
JMenu menu2;
JMenu menu3;
JMenu menu4;
JMenuItem menuitem1;
JMenuItem menuitem2;
JCheckBoxMenuItem menuitem3;
JCheckBoxMenuItem menuitem4;
JCheckBoxMenuItem menuitem5;
JMenuItem menuitem6;
Toolkit toolkit;
int i,x,y,z,objectX,objectY,object=0,growth=0,time;//bojectX,Y为食物坐标,z为蛇前进方向
int difficult=2;
int length=6;
int m[]=new int[50];
int n[]=new int[50];
Thread snake=null;

Snake(String s)
{
super(s);
setVisible(true);
setBounds(100,100,400,400);
setResizable(false);
Container con=this.getContentPane();
toolkit=getToolkit();
bar=new JMenuBar();
menu1=new JMenu("游戏");
menu2=new JMenu("难度选择");
menu3=new JMenu("积分排行");
menu4=new JMenu("版权");
menuitem1=new JMenuItem("重新开始");
menuitem2=new JMenuItem("退出游戏");
menuitem3=new JCheckBoxMenuItem("简单");
menuitem4=new JCheckBoxMenuItem("普通");
menuitem5=new JCheckBoxMenuItem("困难");
menuitem6=new JMenuItem("作者");
menu1.add(menuitem1);
menu1.add(menuitem2);
menu2.add(menuitem3);
menu2.add(menuitem4);
menu2.add(menuitem5);
menu4.add(menuitem6);
bar.add(menu1);
bar.add(menu2);
bar.add(menu3);
bar.add(menu4);
setJMenuBar(bar);
menuitem1.addActionListener(this);
addKeyListener(this);
menuitem2.addActionListener(this);
menuitem3.addActionListener(this);
menuitem4.addActionListener(this);
menuitem5.addActionListener(this);
menuitem6.addActionListener(this);
validate();
}

public void actionPerformed(ActionEvent e)
{
if(e.getSource()==menuitem1)
{
length=6;
if(snake==null)
{
snake=new Thread(this);
snake.start();
}
else if(snake!=null)
{
snake=null;
snake=new Thread(this);
snake.start();
}
}

if(e.getSource()==menuitem2)
{
System.exit(0);
}

if(e.getSource()==menuitem6)
{
JOptionPane.showMessageDialog(this,"延边科技大学\n通信工程专业 朴吉云\n2005年8月\nQQ:183148696","作者信息",JOptionPane.WARNING_MESSAGE);
}
}

void isDead() //判断游戏是否结束的方法
{
if(z==4) x=x+10;
else if(z==3) x=x-10;
else if(z==2) y=y+10;
else if(z==1) y=y-10;
if(x<0||x>390||y<50||y>390)
snake=null;
for(i=1;i<length;i++)
if(m[i]==x&&n[i]==y) snake=null;
}

public void upgrowth() //当蛇吃到东西时的方法
{
if(length<50) length++;
growth--;
time=time-10;
reform();
}

public void run() //实现线程Runnable接口
{
time=500;
for(i=0;i<=length-1;i++)
{
m[i]=90-i*10;n[i]=60;
}
x=m[0];y=n[0];z=4;
while(snake!=null)
{
check();
try{
snake.sleep(time);
}
catch(Exception ee){}
}
}

public void reform()
{
for(i=length-1;i>0;i--)
{m[i]=m[i-1];n[i]=n[i-1];}
if(z==4) m[0]=m[0]+10;
if(z==3) m[0]=m[0]-10;
if(z==2) n[0]=n[0]+10;
if(z==1) n[0]=n[0]-10;
}

public void check()
{ isDead();
if(snake!=null){
if(growth==0) reform();
else upgrowth();
if(x==objectX&&y==objectY) {object=0;growth=1;toolkit.beep();}
if(object==0){
object=1;
objectX=(int)Math.floor(Math.random()*39)*10;
objectY=(int)Math.floor(Math.random()*29)*10+50;
}
repaint();
}
}

public void paint(Graphics g)
{
g.setColor(Color.DARK_GRAY);
g.fillRect(0,50,400,400);
g.setColor(Color.pink);
for(i=0;i<=length-1;i++)
{
g.fillRect(m[i],n[i],10,10);
}
g.setColor(Color.green);
g.fillRect(objectX,objectY,10,10);
}

public void keyPressed(KeyEvent e)
{
if(snake!=null)
{
if(e.getKeyCode()==KeyEvent.VK_UP)
{
if(z!=2) {z=1;check();}
}
else if(e.getKeyCode()==KeyEvent.VK_DOWN)
{
if(z!=1) {z=2;check();}
}
else if(e.getKeyCode()==KeyEvent.VK_LEFT)
{
if(z!=4) {z=3;check();}
}
else if(e.getKeyCode()==KeyEvent.VK_RIGHT)
{
if(z!=3) {z=4;check();}
}

}
}
public void keyTyped(KeyEvent e){}

public void keyReleased(KeyEvent e){}

public static void main(String args[])
{
new Snake("贪吃蛇");
}
}

JAVA APPLET做的魔方行不