js写的俄罗斯方块
2007-11-27 17:54:43 来源:WEB开发网核心提示:<HTML><HEAD><title>俄罗斯方块</title><style><!--BODY{}.MB{ BACKGROUND-COLOR: firebrick; CURSOR: default; HEI
<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);
}
}
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;
 
<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);
}
}
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;
 
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