史上最短小精悍的javascript编写的俄罗斯方块游戏，仅仅60行代码 .
[xml]
01.<!doctype html><html><head></head><body>
02.<div id="box" style="width:252px;font:25px/25px 宋体;background:#000;color:#9f9;border:#999 20px ridge;text-shadow:2px 3px 1px #0f0;"></div>
03.<script>
04.var domain="www.toorain.net";
05.var author="zuidaima";
06.var map=eval("["+Array(23).join("0x801,")+"0xfff]");
07.var tatris=[[0x6600],[0x2222,0xf00],[0xc600,0x2640],[0x6c00,0x4620],[0x4460,0x2e0,0x6220,0x740],[0x2260,0xe20,0x6440,0x4700],[0x2620,0x720,0x2320,0x2700]];
08.var keycom={"38":"rotate(1)","40":"down()","37":"move(2,1)","39":"move(0.5,-1)"};
09.var dia, pos, bak, run;
10.function start(){
11. dia=tatris[~~(Math.random()*7)];
12. bak=pos={fk:[],y:0,x:4,s:~~(Math.random()*4)};
13. rotate(0);
14.}
15.function over(){
16. document.onkeydown=null;
17. clearInterval(run);
18. alert("GAME OVER");
19.}
20.function update(t){
21. bak={fk:pos.fk.slice(0),y:pos.y,x:pos.x,s:pos.s};
22. if(t) return;
23. for(var i=0,a2=""; i<22; i++)
24. a2+=map[i].toString(2).slice(1,-1)+"<br/>";
25. for(var i=0,n; i<4; i++)
26. if(/([^0]+)/.test(bak.fk[i].toString(2).replace(/1/g,"\u25a1")))
27. a2=a2.substr(0,n=(bak.y+i+1)*15-RegExp.$_.length-4)+RegExp.$1+a2.slice(n+RegExp.$1.length);
28. document.getElementById("box").innerHTML=a2.replace(/1/g,"\u25a0").replace(/0/g,"\u3000");
29.}
30.function is(){
31. for(var i=0; i<4; i++)
32. if((pos.fk[i]&map[pos.y+i])!=0) return pos=bak;
33.}
34.function rotate(r){
35. var f=dia[pos.s=(pos.s+r)%dia.length];
36. for(var i=0; i<4; i++)
37. pos.fk[i]=(f>>(12-i*4)&15)<<pos.x;
38. update(is());
39.}
40.function down(){
41. ++pos.y;
42. if(is()){
43. for(var i=0; i<4 && pos.y+i<22; i++)
44. if((map[pos.y+i]|=pos.fk[i])==0xfff)
45. map.splice(pos.y+i,1), map.unshift(0x801);
46. if(map[1]!=0x801) return over();
47. start();
48. }
49. update();
50.}
51.function move(t,k){
52. pos.x+=k;
53. for(var i=0; i<4; i++)
54. pos.fk[i]*=t;
55. update(is());
56.}
57.document.onkeydown=function(e){
58. eval(keycom[(e?e:event).keyCode]);
59.};
60.start();
61.run=setInterval("down()",400);
62.</script></body></html>
