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游戏结束图：
javascript实现源码：
- <!doctype html>
- <html><head><title>俄罗斯方块</title>
- <meta name="Description" content="俄罗斯方块Javascript实现">
- <meta name="Keywords" content="俄罗斯方块,Javascript,实现,短小精悍,游戏,ithomer,ithomer.net">
- </head><body>
- <div id="box" style="margin: 20px auto; text-align:center; width:252px;font:25px/25px 宋体;background:#000;color:#9f9;border:#999 20px ridge;text-shadow:2px 3px 1px #0f0;"></div>
- <div id="footer" style="margin-top: 200px auto; text-align:center; font-size: 16px;">© 2009 - 2014 All Rights by <a href="http://blog.ithomer.net">ithomer.net</a></div>
- <script>
- var domain="www.zuidaima.com";
- var author="zuidaima";
- 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 keycom={"38":"rotate(1)","40":"down()","37":"move(2,1)","39":"move(0.5,-1)"};
- var dia, pos, bak, run;
- function start(){
- dia=tatris[~~(Math.random()*7)];
- bak=pos={fk:[],y:0,x:4,s:~~(Math.random()*4)};
- rotate(0);
- }
- function over(){
- document.onkeydown=null;
- clearInterval(run);
- alert("GAME OVER");
- }
- 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,"u25a1")))
- 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,"u25a0").replace(/0/g,"u3000");
- }
- 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; 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);
- if(map[1]!=0x801) return over();
- 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(keycom[(e?e:event).keyCode]);
- };
- start();
- run=setInterval("down()",400);
- </script></body></html>
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