＜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 ){
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);
}
}