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 
{ 
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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