JavaScript–js写的俄罗斯方块
2012年09月12日
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<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 || preMBarX[i]>9 || preMBarY[i]<0 || 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++){
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