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