<!doctype html>
<html><head>
<style type="text/css">
body { background:#000; font:25px/25px 宋体;}#box { float:left;width:252px;border:#999 20px ridge;color:#9f9;text-shadow:2px 3px 1px #0f0; }
#info { float:left;color:#cfc;padding:24px; }#next { padding:8px;width:105px;color:#9f9;text-shadow:2px 3px 1px #0f0; }
</style>
</head>
<body><div id="box"></div><div id="info">NEXT:<div id="next"></div><div id="text"></div></div><script type="text/javascript">
var map=eval("["+Array(23).join("0x801,")+"0xfff]");var tatris=[[0x6600],[0x2222,0xf00],[0xc600,0x2640],[0x6c00,0x4620],[0x4460,0x2e0,0x6220,0x740],[0x2260,0xe20,0x6440,0x4700],[0x2620,0x720,0x2320,0x2700]];
var char={x:"\u3000",s:"\u25a0",t:"\u25a1"};var keycom={"38":"rotate(1)","40":"down()","37":"move(2,1)","39":"move(0.5,-1)","32":"0;
pause=!pause"};var dia, pos, bak, run, next, pause=false, info={speed:1,lines:0,score:0};function start()
{ dia=next.d; bak=pos={fk:[],y:0,x:4,s:next.s}; nextdia(); document.getElementById("next").innerHTML=(next.d[next.s%next.d.length]|0x10000).toString(2).slice(-16).replace(/..../g,"$&<br/>").replace(/1/g,char.t).replace(/0/g,char.x); document.getElementById("text").innerHTML="SCORE:"+info.score+"<br/><br/>LINES:"+info.lines+"<br/><br/>SPEED:"+info.speed; rotate(0);
run=setInterval("pause||down()",~~(Math.pow(1.3,12-info.speed)*30+20));}function over()
{
document.onkeydown=null; alert("GAME OVER");}function nextdia()
{ next={d:tatris[~~(Math.random()*7)],s:~~(Math.random()*4)};}function update(t){ bak={fk:pos.fk.slice(0),y:pos.y,x:pos.x,s:pos.s};
if(t) return; for(var i=0,a2=""; i<22; i++)
a2+=map[i].toString(2).slice(1,-1)+"<br/>"; for(var i=0,n; i<4; i++)
if(/([^0]+)/.test(bak.fk[i].toString(2).replace(/1/g,char.t)))
a2=a2.substr(0,n=(bak.y+i+1)*15-RegExp.$_.length-4)+RegExp.$1+a2.slice(n+RegExp.$1.length);
document.getElementById("box").innerHTML=a2.replace(/1/g,char.s).replace(/0/g,char.x);}function is()
{ for(var i=0; i<4; i++) if((pos.fk[i]&map[pos.y+i])!=0) return pos=bak;}function rotate(r){ var f=dia[pos.s=(pos.s+r)%dia.length]; for(var i=0; i<4; i++)
pos.fk[i]=(f>>(12-i*4)&15)<<pos.x; update(is());
}
function down(){ ++pos.y;
if(is()){ for(var i=0, r=0; i<4 && pos.y+i<22; i++)
if((map[pos.y+i]|=pos.fk[i])==0xfff){
map.splice(pos.y+i,1), map.unshift(0x801);
++info.lines%20==0 && info.speed++, r++; }
clearInterval(run);
if(map[1]!=0x801) return over();
info.score+=~~(Math.pow(r,1.5)*10)+2; start();
} update();}function move(t,k){ pos.x+=k; for(var i=0; i<4; i++)
pos.fk[i]*=t; update(is());}document.onkeydown=function(e){
eval("pause||"+keycom[(e?e:event).keyCode]);};nextdia();start();
</script>
</body>
</html>