js写的俄罗斯方块_编程

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js写的俄罗斯方块_编程

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代码:

<html>



<head>



<title>俄罗斯方块</title>



<style>



<!--



body



{



}



.mb



{



    background-color: firebrick;



    cursor: default;



    height: 22px;



    width: 22px



}



.sb



{



    background-color: slategray;



    cursor: default;



    height: 22px;



    width: 22px



}



.bk



{



    background-color: white;



    cursor: default;



    height: 22px;



    width: 22px



}



.gt



{



    border-bottom: deepskyblue thin solid;



    border-left: deepskyblue thin solid;



    border-right: deepskyblue thin solid;



    border-top: deepskyblue thin solid;



    cursor: default



}



-->



</style>



<script>



<!--



var bx=new array(4);



var by=new array(4);



var px=new array(4);



var py=new array(4);



var mtimer



var firstview







function begingame()



{



 gamestate=0;



 speed=1;



 outtime=1100-speed*100;



 score=0;



 if(gamestate!=0)return;



 firstview=true;



 for(j=0;j<16;j++)



 for(i=0;i<10;i++)



 setclass(i,j,"bk");



 randbar();



 gamestate=1;



 play.disabled=true;



 window.clearinterval(mtimer);



 mtimer=window.setinterval("movebar()",outtime);



}







function keycontrol()



{



 if(gamestate!=1)return;



 switch(event.keycode){



 case 37:{ //left



 for(i=0;i<4;i++)if(bx[i]==0)return;



 for(i=0;i<4;i++)if(getclass(bx[i]-1,by[i])=="sb")return;



 for(i=0;i<4;i++)setclass(bx[i],by[i],"bk");



 for(i=0;i<4;i++)bx[i]=bx[i]-1;



 for(i=0;i<4;i++)setclass(bx[i],by[i],"mb");



 break;}



 case 38:{ //up



 var prembarx=new array(4);



 var prembary=new array(4);



 var cx=math.round((bx[0]+bx[1]+bx[2]+bx[3])/4);



 var cy=math.round((by[0]+by[1]+by[2]+by[3])/4);



 for(i=0;i<4;i++){



  prembarx[i]=math.round(cx-cy+by[i]);



  prembary[i]=math.round(cx+cy-bx[i]);



  if(prembarx[i]<0 &brvbar;&brvbar; prembarx[i]>9

&brvbar;&brvbar; prembary[i]<0 &brvbar;&brvbar;

prembary[i]>15)return;



  if(getclass(prembarx[i],prembary[i])=="sb")return;



 }



 for(i=0;i<4;i++)setclass(bx[i],by[i],"bk");



 for(i=0;i<4;i++){



  bx[i]=prembarx[i];



  by[i]=prembary[i];



 }



 for(i=0;i<4;i++)setclass(bx[i],by[i],"mb");



 break;}



 case 39:{ //right



 for(i=0;i<4;i++)if(bx[i]==9)return;



 for(i=0;i<4;i++)if(getclass(bx[i]+1,by[i])=="sb")return;



 for(i=0;i<4;i++)setclass(bx[i],by[i],"bk");



 for(i=0;i<4;i++)bx[i]=bx[i]+1;



 for(i=0;i<4;i++)setclass(bx[i],by[i],"mb");



 break;}



 case 40:{ //down



 movebar();



 break;}



 }



}







function delline()



{



 for(i=0;i<4;i++)setclass(bx[i],by[i],"sb");



 for(j=0;j<16;j++){



 dline=true;



 for(i=0;i<9;i++){



 if(getclass(i,j)!="sb"){



  dline=false;



  break;



 }



 }



 if(dline){



 score=score+100;



 for(k=j;k>0;k--)



  for(l=0;l<10;l++)



  setclass(l,k,getclass(l,k-1));



 for(l=0;l<10;l++)setclass(l,0,"bk");



 }



 }



 randbar();



 speed=math.floor(score/3000)+1;



 outtime=1100-speed*100;



 scorebar.innerhtml="score : " + score;



 speedbar.innerhtml="speed : " + speed;



 window.clearinterval(mtimer);



 mtimer=window.setinterval("movebar()",outtime);



}







function getclass(x,y){return gamebar.children[y].children[x].classname;}



function setclass(x,y,cname){gamebar.children[y].children[x].classname=cname;}







function movebar()



{



 if(gamestate!=1)return;



 dropline=true;



 for(i=0;i<4;i++)if(by[i]==15)dropline=false;



 if(dropline)for(i=0;i<4;i++)if(getclass(bx[i],by[i]+1)=="sb")dropline=false;



 if(!dropline){



 window.clearinterval(mtimer);



 delline();



 return;



 }



 for(i=0;i<4;i++)setclass(bx[i],by[i],"bk");



 for(i=0;i<4;i++)by[i]=by[i]+1;



 for(i=0;i<4;i++)setclass(bx[i],by[i],"mb");



}







function pausegame()



{



 if(gamestate==0)return;



 if(event.srcelement.value=="pause"){



 gamestate=2;



 event.srcelement.value="continue";



 window.clearinterval(mtimer);



 }



 else{



 gamestate=1;



 event.srcelement.value="pause";



 mtimer=window.setinterval("movebar()",outtime);



 }



}







function fmnu(){return false;}



document.oncontextmenu=fmnu;







function preview()



{



 if(previewbar.style.display!="none")



 previewbar.style.display="none";



 else



 previewbar.style.display="block";



}







function replaygame()



{



 if(gamestate!=1)return;



 if(!confirm("你真的要重新开始么？"))return;



 gamestate=0;



 window.clearinterval(mtimer);



 begingame();



}



function randbar()



{



 randnum=math.floor(math.random()*20)+1;



 if(!firstview)



 for(i=0;i<4;i++){



 bx[i]=px[i];



 by[i]=py[i];



 }



 switch(randnum){



 case 1:{



 px[0]=4;



 py[0]=0;



 px[1]=4;



 py[1]=1;



 px[2]=5;



 py[2]=1;



 px[3]=6;



 py[3]=1;



 break;}



 case 2:{



 px[0]=4;



 py[0]=0;



 px[1]=5;



 py[1]=0;



 px[2]=4;



 py[2]=1;



 px[3]=4;



 py[3]=2;



 break;}



 case 3:{



 px[0]=4;



 py[0]=0;



 px[1]=5;



 py[1]=0;



 px[2]=6;



 py[2]=0;



 px[3]=6;



 py[3]=1;



 break;}



 case 4:{



 px[0]=5;



 py[0]=0;



 px[1]=5;



 py[1]=1;



 px[2]=5;



 py[2]=2;



 px[3]=4;



 py[3]=2;



 break;}



 case 5:{



 px[0]=6;



 py[0]=0;



 px[1]=6;



 py[1]=1;



 px[2]=4;



 py[2]=1;



 px[3]=5;



 py[3]=1;



 break;}



 case 6:{



 px[0]=4;



 py[0]=0;



 px[1]=4;



 py[1]=1;



 px[2]=4;



 py[2]=2;



 px[3]=5;



 py[3]=2;



 break;}



 case 7:{



 px[0]=4;



 py[0]=0;



 px[1]=4;



 py[1]=1;



 px[2]=5;



 py[2]=0;



 px[3]=6;



 py[3]=0;



 break;}



 case 8:{



 px[0]=4;



 py[0]=0;



 px[1]=5;



 py[1]=0;



 px[2]=5;



 py[2]=1;



 px[3]=5;



 py[3]=2;



 break;}



 case 9:{



 px[0]=4;



 py[0]=0;



 px[1]=5;



 py[1]=0;



 px[2]=5;



 py[2]=1;



 px[3]=6;



 py[3]=1;



 break;}



 case 10:{



 px[0]=5;



 py[0]=0;



 px[1]=5;



 py[1]=1;



 px[2]=4;



 py[2]=1;



 px[3]=4;



 py[3]=2;



 break;}



 case 11:{



 px[0]=4;



 py[0]=1;



 px[1]=5;



 py[1]=1;



 px[2]=5;



 py[2]=0;



 px[3]=6;



 py[3]=0;



 break;}



 case 12:{



 px[0]=4;



 py[0]=0;



 px[1]=4;



 py[1]=1;



 px[2]=5;



 py[2]=1;



 px[3]=5;



 py[3]=2;



 break;}



 case 13:{



 px[0]=4;



 py[0]=0;



 px[1]=5;



 py[1]=0;



 px[2]=6;



 py[2]=0;



 px[3]=5;



 py[3]=1;



 break;}



 case 14:{



 px[0]=4;



 py[0]=0;



 px[1]=4;



 py[1]=1;



 px[2]=4;



 py[2]=2;



 px[3]=5;



 py[3]=1;



 break;}



 case 15:{



 px[0]=5;



 py[0]=0;



 px[1]=5;



 py[1]=1;



 px[2]=4;



 py[2]=1;



 px[3]=6;



 py[3]=1;



 break;}



 case 16:{



 px[0]=5;



 py[0]=0;



 px[1]=5;



 py[1]=1;



 px[2]=5;



 py[2]=2;



 px[3]=4;



 py[3]=1;



 break;}



 case 17:{



 px[0]=4;



 py[0]=0;



 px[1]=5;



 py[1]=0;



 px[2]=4;



 py[2]=1;



 px[3]=5;



 py[3]=1;



 break;}



 case 18:{



 px[0]=4;



 py[0]=0;



 px[1]=5;



 py[1]=0;



 px[2]=4;



 py[2]=1;



 px[3]=5;



 py[3]=1;



 break;}



 case 19:{



 px[0]=3;



 py[0]=0;



 px[1]=4;



 py[1]=0;



 px[2]=5;



 py[2]=0;



 px[3]=6;



 py[3]=0;



 break;}



 case 20:{



 px[0]=5;



 py[0]=0;



 px[1]=5;



 py[1]=1;



 px[2]=5;



 py[2]=2;



 px[3]=5;



 py[3]=3;



 break;}



 }



 if(firstview){



 firstview=false;



 randbar();



 return;



 }



 for(i=0;i<4;i++){



 for(j=0;j<4;j++){



 previewbar.children[j].children[i].classname="bk";



 }



 }



 for(i=0;i<4;i++)previewbar.children[py[i]].children[px[i]-3].classname="mb";



 for(i=0;i<4;i++){



 if(getclass(bx[i],by[i])!="bk"){



 alert("game over!");



 window.clearinterval(mtimer);



 play.disabled=false;



 gamestate=0;



 return;



 }



 }



 for(i=0;i<4;i++)setclass(bx[i],by[i],"mb");



}



// -->



</script>



</head>



<body bgcolor=black onkeydown="return keycontrol();">



<center>



<p><b><font color=red>俄罗斯方块</font></b></p>



<table cellspacing=0 cellpadding=0 class=gt border=1

bordercolor="lightyellow "

style="position:absolute;left:220px;top:53px;">



<tbody id=gamebar>



<tr><td class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td></tr><tr><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td></tr><tr><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td></tr><tr><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

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class=bk> </td><td

class=bk> </td><td

class=bk> </td></tr><tr><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td></tr><tr><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td></tr><tr><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td></tr><tr><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

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class=bk> </td><td

class=bk> </td></tr><tr><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

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class=bk> </td><td

class=bk> </td></tr><tr><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td></tr><tr><td

class=bk> </td><td

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class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

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class=bk> </td></tr><tr><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td></tr><tr><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

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class=bk> </td><td

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class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td></tr>



</tbody>



</table>



</center>



<table style="position:absolute;top=100px;left:50px">



 <tr><td id=scorebar style="color:white">score : 0</td></tr>



 <tr><td id=speedbar style="color:white">speed : 1</td></tr>



</table>







<table cellspacing=0 cellpadding=0 class=gt border=1

bordercolor="lightyellow "

style="position:absolute;left:570px;top:53px;">



<tbody id=previewbar>



<tr><td class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td></tr><tr><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td></tr><tr><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td></tr><tr><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td><td

class=bk> </td></tr>



</tbody>



</table>



<table style="position:absolute;left:570px;top:180px;">



<tr><td><input type=button id="play" style="width:100px"

value="play" onclick="return begingame();"></td></tr>



<tr><td><input type=button id="pause"

style="width:100px" value="pause" onclick="return

pausegame();"></td></tr>



<tr><td><input type=button id="preview"

style="width:100px" value="preview"

onclick="preview();"></td></tr>



<tr><td><input type=button id="replay"

style="width:100px" value="replay"

onclick="replaygame();"></td></tr>



<tr><td><input type=button id="quit" style="width:100px"

value="quit" onclick="window.close();"></td></tr>



</table>



<div

style="position:absolute;left:590px;top:390px;color:white;font-size:9pt">

如有问题请与我<a href="mailto:sor@263.net"><font

color=white>联系</font></a></div>



</body>



</html>



<script>



function unsel()



{



 document.execcommand("unselect");



 window.settimeout("unsel()",10);



}



unsel();







window.onunload=rel;



function rel()



{



 location.reload();



 return false;



}







</script>

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