使用JavaScript实现网页版Pongo设计思路及源代码分(2)

if(ifingame==0)
    {
        ifingame=1;
        grade=0;
        var xx=Math.floor(Math.random()*8);
        /*      switch(xx)
        {
            case 0:
   smallcircle.direction=gamedirection.shang;
   break;
   case 1:
   smallcircle.direction=gamedirection.xia;
   break;
   case 2:
   smallcircle.direction=gamedirection.zuo;
   break;
   case 3:
   smallcircle.direction=gamedirection.you;
   break;
   case 4:
   smallcircle.direction=gamedirection.zuoshang;
   break;
   case 5:
   smallcircle.direction=gamedirection.zuoxia;
   break;
   case 6:
   smallcircle.direction=gamedirection.youshang;
   break;
   case 7:
   smallcircle.direction=gamedirection.youxia;
   break;
   default:
   break;
        }*/
    smallcircle.direction=gamedirection.xia;
 smallcircle.x=smallcircle.y=0;
 line.start=Math.PI/2-Math.PI/26;
 line.end=Math.PI/2+Math.PI/26;
 line.direction=gamedirection.anticlock;

 clearInterval(timer);
 timer=setInterval(movetest,10);
    }
 }//开始游戏 startgame()  
    function opentop()
    {
        window.location="http://pongotop.sinaapp.com";
    }

10.写在最后