<![CDATA[向东博客 专注WEB应用 构架之美 --- 构架之美，在于尽态极妍 | 应用之美，在于药到病除]]> http://www.jackxiang.com/index.php zh-cn http://www.jackxiang.com/post// <![CDATA[［娱乐一下］一个俄罗斯方块的javascript代码]]> jack <xdy108@126.com> Sun, 19 Nov 2006 12:47:52 +0000 http://www.jackxiang.com/post// <HTML>
<HEAD>
<TITLE>俄罗斯方块</TITLE>
<style>
body {margin:0;background:black;}
td {height:20;width:20;}
#block_div {position:absolute;z-index:1;width:80;}
#table_div {position:absolute;z-index:0;width:320;}
#nblock_div {position:absolute;z-index:2;font:48 system;color:red;}
#title_div {position:absolute;left:326;top:7;font-size:22px;color:white}
#infobar_div {position:absolute;left:396;top:416;}
#infobar2_div {position:absolute;left:396;top:480;font-size:14px;color:white}
#infobar2_div a{color:99ccff;font:system;text-decoration:none}
</style>

<SCRIPT ID=clientEventHandlersJS LANGUAGE=javascript>
<!--
if (document.all){
var n_width = 800;
var n_height = 600;
var n_left = Math.round( screen.width/2 ) - n_width/2;
var n_top = Math.round( screen.height/2 ) - n_height/2;
var n_IncStep = 20;
var curBlcok,nextBlock;
var arr_curBlock = new Array(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);
var curX,curY;
var speed=1;
var maxspeed=9;
var clr_per_line=18;
var pause=0;
var gameover=0;
var colors = new Array("#999999","#0000FF","#80FFFF","#80FF80","#FFFF00","#FF8000","#FF00FF","#FF0000"
);
var cid;
var ncid;
var blocks = new Array("tt_O1","tt_T2","tt_Z1","tt_S1","tt_L1","tt_J1","tt_I2");
var bid;
var killedlines=0;

var tt_O1 = new Array(0,0,0,0,0,0,0,0,0,1,1,0,0,1,1,0);
var tt_O2 = new Array(0,0,0,0,0,0,0,0,0,1,1,0,0,1,1,0);
var tt_O3 = new Array(0,0,0,0,0,0,0,0,0,1,1,0,0,1,1,0);
var tt_O4 = new Array(0,0,0,0,0,0,0,0,0,1,1,0,0,1,1,0);

var tt_T1 = new Array(0,0,0,0,0,1,0,0,1,1,0,0,0,1,0,0);
var tt_T2 = new Array(0,0,0,0,0,0,0,0,1,1,1,0,0,1,0,0);
var tt_T3 = new Array(0,0,0,0,0,1,0,0,0,1,1,0,0,1,0,0);
var tt_T4 = new Array(0,0,0,0,0,1,0,0,1,1,1,0,0,0,0,0);

var tt_Z1 = new Array(0,0,0,0,1,1,0,0,0,1,1,0,0,0,0,0);
var tt_Z2 = new Array(0,0,0,0,0,0,1,0,0,1,1,0,0,1,0,0);
var tt_Z3 = new Array(0,0,0,0,0,1,1,0,0,0,1,1,0,0,0,0);
var tt_Z4 = new Array(0,0,1,0,0,1,1,0,0,1,0,0,0,0,0,0);

var tt_S1 = new Array(0,0,0,0,0,1,1,0,1,1,0,0,0,0,0,0);
var tt_S2 = new Array(0,0,0,0,0,1,0,0,0,1,1,0,0,0,1,0);
var tt_S3 = new Array(0,0,0,0,0,0,1,1,0,1,1,0,0,0,0,0);
var tt_S4 = new Array(0,1,0,0,0,1,1,0,0,0,1,0,0,0,0,0);

var tt_L1 = new Array(0,1,0,0,0,1,0,0,0,1,1,0,0,0,0,0);
var tt_L2 = new Array(0,0,0,0,0,0,1,0,1,1,1,0,0,0,0,0);
var tt_L3 = new Array(0,0,0,0,0,1,1,0,0,0,1,0,0,0,1,0);
var tt_L4 = new Array(0,0,0,0,0,1,1,1,0,1,0,0,0,0,0,0);

var tt_J1 = new Array(0,0,1,0,0,0,1,0,0,1,1,0,0,0,0,0);
var tt_J2 = new Array(0,0,0,0,1,1,1,0,0,0,1,0,0,0,0,0);
var tt_J3 = new Array(0,0,0,0,0,1,1,0,0,1,0,0,0,1,0,0);
var tt_J4 = new Array(0,0,0,0,0,1,0,0,0,1,1,1,0,0,0,0);

var tt_I1 = new Array(0,1,0,0,0,1,0,0,0,1,0,0,0,1,0,0);
var tt_I2 = new Array(0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1);
var tt_I3 = new Array(0,0,1,0,0,0,1,0,0,0,1,0,0,0,1,0);
var tt_I4 = new Array(0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1);

var table = new Array(
       1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,
       1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,
       1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,
       1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,
       1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,
       1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,
       1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,
       1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,
       1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,
       1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,
       1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,
       1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,
       1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,
       1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,
       1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,
       1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,
       1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,
       1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,
       1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,
       1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,
       1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,
               1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1)

}
else
alert("You need IE4+ to play Tetris!")

function dimension2(row,col,num){
   var i = row * num + col;
   return (this[i]);
}
Array.prototype.getd = dimension2;

function ShowBlock(x,y,block_type,color){
   for (var i=0;i<block_tbl.rows.length;i++){
       for (var j=0;j<block_tbl.rows(i).cells.length;j++){        
           var d2 = i * 4 + j;
           if (block_type[d2]==1){
               block_tbl.rows(i).cells(j).style.background = color;
           }
           else{
               block_tbl.rows(i).cells(j).style.background = "";
           }
       }
   }
   block_div.style.pixelLeft=x;
   block_div.style.pixelTop=y;
}

function ShowBlock1(x,y,block_type,color,obj_tabID,obj_divID){
   for (var i=0;i<obj_tabID.rows.length;i++){
       for (var j=0;j<obj_tabID.rows(i).cells.length;j++){        
           var d2 = i * 4 + j;
           if (block_type[d2]==1){
               obj_tabID.rows(i).cells(j).style.background = color;
           }
           else{
               obj_tabID.rows(i).cells(j).style.background = "";
           }
       }
   }
   obj_divID.style.pixelLeft=x;
   obj_divID.style.pixelTop=y;
}

function Change(inc){
   var type = curBlock.substr(0,4);
   var num = curBlock.substr(curBlock.length-1);
   num = parseInt(num) + inc;
   if (num>4&#124;&#124;num<1) num -= 4*inc;
   type += num;
   eval("arr_tmp = " + type + ";");
   if (CanMove(curX,curY,arr_tmp)){
       curBlock = type;
       eval("arr_curBlock = " + curBlock + ";");
       eval("ShowBlock(block_div.style.pixelLeft,block_div.style.pixelTop," + curBlock + ",colors[" + cid + "]);");
   }
}

function CanMove(x,y,block){
   for (i=0;i<4;i++){
       for (j=0;j<4;j++){
           if (block.getd(i,j,4)&table.getd(y/n_IncStep+i,x/n_IncStep+j,16)) return false;
       }
   }
   return true;
}

function NewBlock(){
   curBlock = nextBlock;
   cid = ncid;
   bid = Math.round(Math.random()*(blocks.length-1));
   ncid = Math.round(Math.random()*(colors.length-1));
   nextBlock = blocks[bid];
   eval("arr_curBlock = " + curBlock + ";");
   eval("ShowBlock(120,0," + curBlock + ",colors[" + cid + "]);");
   eval("arr_curBlock = " + curBlock + ";");
   eval("ShowBlock1(466,116," + nextBlock + ",colors[" + ncid + "],nblock_tbl,nblock_div);");
}

function SaveBlock(){
   for (i=0;i<4;i++){
       for (j=0;j<4;j++){
           table[(curY/n_IncStep+i)*16+curX/n_IncStep+j]&#124;=arr_curBlock[i*4+j];
           if (arr_curBlock[i*4+j]==1)
               if ((curY/n_IncStep+i<21)&&(curX/n_IncStep+j>1)&&(curX/n_IncStep+j<14))
                   table_tbl.rows(curY/n_IncStep+i).cells(curX/n_IncStep+j).style.background = colors[cid];
           if (table[(curY/n_IncStep+i)*16+curX/n_IncStep+j]!=1)
                   table_tbl.rows(curY/n_IncStep+i).cells(curX/n_IncStep+j).style.background = "black";
       }
   }
}

function DelLine(line){
   for(i=line;i>0;i--){
       for(j=2;j<14;j++){
           table[i*16+j]=table[(i-1)*16+j];
       }
   }
   table_tbl.deleteRow(line);
   table_tbl.insertRow(0);
   for (i=0;i<16;i++){
       table_tbl.rows(0).insertCell();
       if (i<2&#124;&#124;i>13) table_tbl.rows(0).cells(i).style.background="navy";        
   }
   killedlines++;
   cll.innerText=parseInt(cll.innerText)+1;
}

function DelLines(){
   var c,d,i,j;
   d=0;
   curY=block_div.style.pixelTop;
   for(i=(curY/20+3);i>curY/20-1;i--){
       c=0;
       for(j=2;j<14;j++){
           if (isNaN(table[i*16+j])&#124;&#124;i==21) break;
           c+=table[i*16+j];
       }
       if(c==12){
           DelLine(i);
           i++;
           d++;
       }
   }
   if (d>0)
       sco.innerText=parseInt(sco.innerText)+d*d*36;
}

function Lucifer(){
   for(var i=2;i<14;i++){
       if (table[16+i]==1) return true;
   }
   return false;
}

function GameOver(){
   gameover=1;
   clearInterval(gameInterval);
   block_div.innerHTML="";
   for (i=0;i<21;i++){
       for (j=2;j<14;j++){
           setTimeout("table_tbl.rows(" + i + ").cells(" + j + ").style.background = colors[Math.round(Math.random()*7)];",16*i*j);
       }
   }
   nblock_div.innerHTML = "Game Over";
}



function document_onkeydown() {
   if (gameover==1) return;
   with (block_div.style){
   curX = pixelLeft;
   curY = pixelTop;
   switch (event.keyCode){
       case 37:
           if (CanMove(curX-n_IncStep,curY,arr_curBlock))
               pixelLeft-=n_IncStep;
           break;
       case 38:
           Change(1);
           break;
       case 39:
           if (CanMove(curX+n_IncStep,curY,arr_curBlock))
               pixelLeft+=n_IncStep;
           break;
       case 40:
           if (CanMove(curX,curY+n_IncStep,arr_curBlock)){
               pixelTop+=n_IncStep;
           }
           else{
               SaveBlock();
               DelLines();
               if (Lucifer()){
                   GameOver();
                   return;
               }
               sco.innerText=parseInt(sco.innerText)+2;
               NewBlock();
           }
           break;
       case 32:
           if (pause==0){
               clearInterval(gameInterval);
               pause=1;
           }
           else{
               gameInterval=window.setInterval("Handle_Interval()",(maxspeed-speed+1)*60);
               pause=0;
           }
           break;
       case 90:        
           Change(1);
           break;
       case 88:    
           Change(-1);
           break;
       default:
   }
   }
}

function Handle_Interval(){
   curX = block_div.style.pixelLeft;
   curY = block_div.style.pixelTop;
   if (CanMove(curX,curY+n_IncStep,arr_curBlock)){
       block_div.style.pixelTop+=n_IncStep;
   }
   else{
       SaveBlock();
       DelLines();
       if (Lucifer()){
           GameOver();
           return;
       }
       sco.innerText=parseInt(sco.innerText)+2
       NewBlock();
   }
   if (killedlines>=clr_per_line){
       killedlines-=clr_per_line;
       if (speed<maxspeed)
           speed++;
       else
           speed=maxspeed;
       spd.innerText=speed;
       clearInterval(gameInterval);
       gameInterval=window.setInterval("Handle_Interval()",(maxspeed-speed+1)*60);
   }
}
//-->
</SCRIPT>

<SCRIPT LANGUAGE=javascript FOR=document EVENT=onkeydown>
<!--
if (document.all)
document_onkeydown()
//-->
</SCRIPT>

</HEAD>

<BODY LANGUAGE=javascript>

<div id=block_div style="left:60;top:0">
<table id=block_tbl border=0 cellspacing=0 cellpadding=0>
<script>
if (document.all){
for (var i=0;i<4;i++){
   document.write("<tr>");
   for (var j=0;j<4;j++){
       document.write("<td style=\"border:1 solid black;\"></td>");
   }
   document.write("</tr>");
}
}
</script>
</table>
</div>

<div id=nblock_div>
<table id=nblock_tbl border=0 cellspacing=0 cellpadding=0>
<script>
if (document.all){
for (var i=0;i<4;i++){
   document.write("<tr>");
   for (var j=0;j<4;j++){
       document.write("<td style=\"height:40;width:40;border:1 outset black;\"></td>");
   }
   document.write("</tr>");
}
}
</script>
</table>
</div>

<div id=table_div>
<table id=table_tbl border=0 cellspacing=0 cellpadding=0>
<script>
if (document.all){
for (var i=0;i<22;i++){
   document.write("<tr>");
   for (var j=0;j<16;j++){
       var d2 = i * 16 + j;
       if (table[d2]==1)
       document.write("<td bgcolor=navy></td>");
       else
       document.write("<td style=\"background:black;\"></td>");
   }
   document.write("</tr>");
}
}
</script>
</table>
</div>

<div id=title_div nowrap>
<font size="3">请在文本框输入(1-9)并按开始键开始游戏: <input type="text" size=8 id="speedin"> <button onClick="begintet()" id="but">开始</button>
<br>
游戏结束后，按"新游戏"键重新开始游戏！<input type="button" value="新游戏" onclick="javascript:window.location.href='eluosi1.htm'">
<input type="button" value="不玩了" onclick="self.close()">
</font>
</div>


<div id=infobar_div>
<table border=1 bordercolor=navy cellspacing=0 cellpadding=0>
<tr align=center>
<td style="color:99ccff;font:12 system;width:56;">速度:</td>
<td style="color:red;font:12 system;" id=spd>1</td>
<td style="color:99ccff;font:12 system;width:86;">总成绩:</td>
<td style="color:red;font:12 system;" id=sco>0</td>
<td style="color:99ccff;font:12 system;width:96;">消减排数:</td>
<td style="color:red;font:12 system;" id=cll>0</td>
</tr>
</table>
</div>

<SCRIPT ID=MainSection LANGUAGE=javascript>
<!--
if (document.all){
ncid = Math.round(Math.random()*(colors.length-1));
bid = Math.round(Math.random()*(blocks.length-1));
nextBlock = blocks[bid];
NewBlock();
}
function begintet(){
document.all.speedin.disabled=true
document.all.but.disabled=true
speed=parseInt(document.all.speedin.value);
if (isNaN(speed)&#124;&#124;speed==null&#124;&#124;speed>maxspeed&#124;&#124;speed<1) speed=1;
spd.innerText=speed;
gameInterval=window.setInterval("Handle_Interval()",(maxspeed-speed+1)*60);
}
//-->
</SCRIPT>
<P>
</BODY>
</HTML>

]]> http://www.jackxiang.com/post//#blogcomment <![CDATA[[评论] ［娱乐一下］一个俄罗斯方块的javascript代码]]> <user@domain.com> Thu, 01 Jan 1970 00:00:00 +0000 http://www.jackxiang.com/post//#blogcomment