用JavaScript做的俄罗斯方块[转]

山东大学一位兄台做的,个人觉得不错!

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> 
<HTML> 
<HEAD> 
<TITLE> 俄罗斯方块</TITLE> 
<META NAME="Generator" CONTENT="EditPlus"> 
<META NAME="Author" CONTENT=""> 
<META NAME="Keywords" CONTENT=""> 
<META NAME="Description" CONTENT=""> 
<style> 
span.btn 
{ 
BORDER-RIGHT
: #7b9ebd 1px solid; PADDING-RIGHT: 2px; BORDER-TOP: #7b9ebd 1px solid; PADDING-LEFT: 2px; FONT-SIZE: 12px; FILTER: progid:DXImageTransform.Microsoft.Gradient(GradientType=0, StartColorStr=#ffffff, EndColorStr=#cecfde); BORDER-LEFT: #7b9ebd 1px solid; CURSOR: hand; COLOR: black; PADDING-TOP: 2px; BORDER-BOTTOM: #7b9ebd 1px solid 
} 
</style> 
<script language=javascript> 
var grid= 

[
1,0,0,0,0,0,0,0,0,0,1], 
[
1,0,0,0,0,0,0,0,0,0,1], 
[
1,0,0,0,0,0,0,0,0,0,1], 
[
1,0,0,0,0,0,0,0,0,0,1], 
[
1,0,0,0,0,0,0,0,0,0,1], 
[
1,0,0,0,0,0,0,0,0,0,1], 
[
1,0,0,0,0,0,0,0,0,0,1], 
[
1,0,0,0,0,0,0,0,0,0,1], 
[
1,0,0,0,0,0,0,0,0,0,1], 
[
1,0,0,0,0,0,0,0,0,0,1], 
[
1,0,0,0,0,0,0,0,0,0,1], 
[
1,0,0,0,0,0,0,0,0,0,1], 
[
1,0,0,0,0,0,0,0,0,0,1], 
[
1,0,0,0,0,0,0,0,0,0,1], 
[
1,0,0,0,0,0,0,0,0,0,1], 
[
1,1,1,1,1,1,1,1,1,1,1
]; 

var gridBuf= 

[
1,0,0,0,0,0,0,0,0,0,1], 
[
1,0,0,0,0,0,0,0,0,0,1], 
[
1,0,0,0,0,0,0,0,0,0,1], 
[
1,0,0,0,0,0,0,0,0,0,1], 
[
1,0,0,0,0,0,0,0,0,0,1], 
[
1,0,0,0,0,0,0,0,0,0,1], 
[
1,0,0,0,0,0,0,0,0,0,1], 
[
1,0,0,0,0,0,0,0,0,0,1], 
[
1,0,0,0,0,0,0,0,0,0,1], 
[
1,0,0,0,0,0,0,0,0,0,1], 
[
1,0,0,0,0,0,0,0,0,0,1], 
[
1,0,0,0,0,0,0,0,0,0,1], 
[
1,0,0,0,0,0,0,0,0,0,1], 
[
1,0,0,0,0,0,0,0,0,0,1], 
[
1,0,0,0,0,0,0,0,0,0,1], 
[
1,1,1,1,1,1,1,1,1,1,1
]; 

var boxdata= 


[
1,1,1,1], 
[
0,0,0,0], 
[
0,0,0,0], 
[
0,0,0,0
], 

[
1,1,1,0], 
[
1,0,0,0], 
[
0,0,0,0], 
[
0,0,0,0], 

], 

[
1,1,1,0], 
[
0,1,0,0], 
[
0,0,0,0], 
[
0,0,0,0
], 

[
1,1,1,0], 
[
0,0,1,0], 
[
0,0,0,0], 
[
0,0,0,0
], 

[
1,1,0,0], 
[
0,1,1,0], 
[
0,0,0,0], 
[
0,0,0,0
], 

[
0,1,1,0], 
[
1,1,0,0], 
[
0,0,0,0], 
[
0,0,0,0
], 

[
1,1,0,0], 
[
1,1,0,0], 
[
0,0,0,0], 
[
0,0,0,0

]; 

var colors=["black","#A0A0A0","red","green","yellow","pink"]; 
var gotLine=0
var box; 
var bGameOver=false
function getHeight(arr) 

var i,j; 
for(i=3;i>=0;i--
for(j=0;j<4;j++)  
if(arr[i][j]) return i; 



function getWidth(arr) 

var i,j; 
for(i=3;i>=0;i--
for(j=0;j<4;j++)  
if(arr[j][i]) return i; 


function Box(x,y,arr,color) 

this.arr=arr; 
this.x=x; 
this.y=y; 
this.w=getWidth(arr); 
this.h=getHeight(arr); 
this.color=color; 
this.active=true
this.clearOldBox=function() 

for(var j=0;j<=this.h;j++
for(var i=0;i<=this.w;i++
if(this.arr[j][i]>0) grid[this.y+j][this.x+i]=0

this.putNewBox=function() 

for(var j=0;j<=this.h;j++
for(var i=0;i<=this.w;i++
if(this.arr[j][i]>0) grid[this.y+j][this.x+i]=this.color; 



this.moveLeft=function() 

this.clearOldBox(); 
var _x=this.x-1
if(this.canMove(_x,this.y)) this.x=_x; 
this.putNewBox(); 
drawGrid(); 


this.moveRight=function() 

this.clearOldBox(); 
var _x=this.x+1
if(this.canMove(_x,this.y)) this.x=_x; 
this.putNewBox(); 
drawGrid(); 


this.moveDown=function() 

this.clearOldBox(); 
var _y=this.y+1
if(this.canMove(this.x,_y)) 

this.y=_y; 
this.putNewBox(); 
drawGrid(); 

else 

this.putNewBox(); 
drawGrid(); 
checkLineFull(); 
return





this.rotate=function() 

var tmp=[[0,0,0,0],[0,0,0,0],[0,0,0,0],[0,0,0,0]]; 
 
for(j=0;j<=this.h;j++
for(i=0;i<=this.w;i++
tmp[
this.w-i][j]=this.arr[j][i]; 
var newBox=new Box(this.x,this.y,tmp,this.color); 
this.clearOldBox(); 
if(! newBox.canMove(this.x,this.y)) this.putNewBox(); 
else 

box
=newBox; 
box.putNewBox(); 
drawGrid(); 


this.canMove=function(x,y) 

for(var j=0;j<=this.h;j++
for(var i=0;i<=this.w;i++

if(grid[y+j][x+i]!=0 && this.arr[j][i]!=0){ return false; } 

return true




function drawGrid() 

for(var j=0;j<=15;j++
for(var i=0;i<=10;i++

if( grid[j][i]!=gridBuf[j][i]) 

paintCell(j,i,grid[j][i]); 

gridBuf[j][i]
=grid[j][i]; 




function paintCell(i,j,color) 

var htmlGrid=document.getElementById("TetrisGrid").firstChild; 
htmlGrid.childNodes[i].childNodes[j].style.backgroundColor
=colors[color]; 


function init() 

var html='<table id="TetrisGrid" cellspacing=1 style="background-color:green"><tbody>'; 
for(var i=0;i<=15;i++

html
+='<tr>'; 
for(var j=0;j<=10;j++


html
+='<td width="20" height="20" style="background-color:'+colors[grid[i][j]]+';"></td>'; 

html
+='</tr> \r\n'; 

html
+='</tbody></table>'; 
document.write(html); 



function checkLineFull() 

var full,i,j,i2; 
var y3=box.y+box.h; 
var y4=box.y; 
for(i=y3;i>=y4;) 

  full
=1
  
for(j=1;j<10;j++
if(grid[i][j]==0){full=0break;} 
  
if(full==0){ --i; continue;} 
  
for(i2=i; i2>0;i2--
for(j=1;j<10;j++
grid[i2][j]
=grid[i2-1][j]; 
  drawGrid();  
  y4
++;  
  gotLine
++

checkGameOver(); 


function checkGameOver() 

var bOver=false
for(var j=1;j<10;j++
if(grid[1][j]>0){ bOver=truebreak;} 

if(!bOver){ 
box
=new Box(1,1,boxdata[Math.floor(Math.random()*7)],Math.floor(Math.random()*5)+1); 
box.putNewBox(); 

else 

bGameOver
=true
msg.innerHTML
="游戏结束! 您的得分为"+gotLine*100
window.clearInterval(); 


function document_onkeydown() 

if(bGameOver) return
switch(event.keyCode) 

case 37:  
box.moveLeft(); 
break
case 39
box.moveRight(); 
break
case 38
box.rotate(); 
break
case 40
box.moveDown(); 
break



function moveDownBox() 

var interval=1000-10*(gotLine>80?80 :gotLine); 
msg.innerHTML
="等级:"+Math.floor(gotLine/10)+"  得分:"+gotLine*100
box.moveDown(); 
window.setTimeout('moveDownBox()',interval); 


function startGame() 


init(); 
window.setTimeout('moveDownBox()',
1000); 
bGameOver
=false
box
=new Box(1,1,boxdata[Math.floor(Math.random()*7)],Math.floor(Math.random()*5)+1); 
box.putNewBox(); 
drawGrid(); 

</script> 

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

//--> 
</SCRIPT> 
</HEAD> 

<BODY LANGUAGE=javascript onLoad="window.focus()"> 
<span class="btn" style="width:254;background-color:#F0C0C0;color:#0000FF;text-align:center">sunnisdu 山东大学   <href="javascript:window.location.reload();">开始</a></span><br/> 
<span style="background-color:black;width:22"></span><span id="msg" style="width:232;background-color:black;color:#00FF00;">俄罗斯方块</span> 
<script language=javascript> 
startGame(); 
</script> 
</BODY> 
</HTML> 

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以前在网上还见过有人用js做了个星际争霸,javascript真是门很不错的语言。
posted @ 2007-08-21 16:10  小y  阅读(2407)  评论(2编辑  收藏  举报