table做的俄罗斯方块,功能强大,有兴趣的来看看

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// ============= 游戏控制函数开始        =========
function fInit(){
cRow = 0;
cColumn = Math.round(c/2) - 2;
moviePoint = r*c-1;
score = 0;
bonusLevel = 0;
speed = 500;
iForMovie = r - 1;
s = null;
try{window.clearTimeout(sForMovie);window.clearInterval(s)} catch(e){}
tb = document.getElementById("myTb0");
fPlayStartMovie();
}function fRotate(){
for(var i=0;i<CurrentEl.el.length;i++){
var row = CurrentEl.el[i].c;
var column = CONTAINW - CurrentEl.el[i].r - 1
CurrentEl.el[i].r = row;
CurrentEl.el[i].c = column;
}
}function fGetCurrentEl(){
CurrentEl = fRandom();
}
function fGetNextEl(){
NextEl = fRandom();
}
function fRandom(){
var el = arrEls[Math.round(Math.random()*(arrEls.length-1))];
if(Math.random()*100<el.radPct) return el;
else return fRandom();
}
function drawNextEl(){
var tbs = document.getElementById("myTb1");
for(var i=0;i<NextEl.el.length;i++){
if(NextEl.el[i].status){
tbs.rows[NextEl.el[i].r].cells[NextEl.el[i].c].bgColor = bgColor;
}else{
tbs.rows[NextEl.el[i].r].cells[NextEl.el[i].c].bgColor = "#ffffff";
}
}
}
function fStart(){
s = window.setInterval("fMove('down')",speed)
document.getElementById("Score").innerText = "得分:" + score;
}
function fMove(forward){
if(!fCheckCanMoveOrRotate(forward, "move")) return;
fCleanCurrent();
if(forward == "down") cRow ++;
if(forward == "left") cColumn --;
if(forward == "right") cColumn ++;
fDrawCurrent();
}
function fCleanCurrent(){
for(var i=0;i<CurrentEl.el.length;i++){
if(CurrentEl.el[i].status){
tb.rows[CurrentEl.el[i].r+cRow].cells[CurrentEl.el[i].c+cColumn].bgColor = "#ffffff";
}
}
}
function fCheckCanMoveOrRotate(forward, type){
var blnTemp = false;
for(var i=0;i<CurrentEl.el.length;i++){
if(CurrentEl.el[i].status){
if(type == "move"){
var row = CurrentEl.el[i].r;
var column = CurrentEl.el[i].c;
}else{
var row = CurrentEl.el[i].c;
var column = CONTAINW - CurrentEl.el[i].r - 1
}
if(forward == "down") row ++;
if(forward == "left") column --;
if(forward == "right") column ++;
if(row + cRow>r-1){return fCheckIfFail(row+cRow)}
if(row + cRow<0) return false;
if(column + cColumn<0) return false;
if(column + cColumn>c-1) return false;
if(tb.rows[row+cRow].cells[column+cColumn].bgColor == bgColor) {
for(var j=0;j<CurrentEl.el.length;j++){
if(row == CurrentEl.el[j].r && column == CurrentEl.el[j].c){
if(CurrentEl.el[j].status) {blnTemp = true;break;}
else {//return fCheckIfFail(row+cRow)
}
}
}
if(forward == "down" && !blnTemp){return fCheckIfFail(row+cRow)}
else if(forward != "down" && !blnTemp) return false;
blnTemp = false;
}
}
}
return true;
}
function fCheckIfFail(row){
if(row<=CONTAINW) {
window.clearInterval(s);
fSetMovie("end");
fPlayFailMovie();
return false;
}
fCheckCanCleanRow();
fStartNext();
document.getElementById("Score").innerText = "得分:" + score;
return false;
}function fCheckCanCleanRow(){
var blnTemp = true;
BonusLevel = 0;
for(var i=0;i<tb.rows.length;i++){
var row = tb.rows[i];
for(var j=0;j<row.cells.length;j++){
if(row.cells[j].bgColor != bgColor){
blnTemp = false;
break;
}
}
if(blnTemp){
tb.deleteRow(i);
score += 10;
bonusLevel ++;
var rowEl = tb.insertRow(0);
for(var k=0;k<c;k++){
var cellEl = rowEl.insertCell(k);
cellEl.style.width = cWidth + "px";
cellEl.style.height = cWidth + "px";
}
}
blnTemp = true;
}
if(bonusLevel!=0) score += eval("bonus" + bonusLevel);
bonusLevel = 0;
}function fStartNext(){
cRow = 0;
cColumn = Math.round(c/2) - 2;
CurrentEl = NextEl;
fGetNextEl();
drawNextEl();
}
function fDrawCurrent(){
for(var i=0;i<CurrentEl.el.length;i++){
if(CurrentEl.el[i].status){
tb.rows[CurrentEl.el[i].r+cRow].cells[CurrentEl.el[i].c+cColumn].bgColor = bgColor;
}
}
}
// ============= 游戏控制函数结束        =========
//-->
</SCRIPT>
非常不错！解释详细！命名清楚！结构清晰！一，
我玩了一下，看了一下代码。
我参考了你的代码，往里面添加了一个“快速下降”功能。
也就是当按某个键(我用的是"up"),方块立刻立即掉下来，而不用老是按down。
(请允许我的冒昧。呵！呵！)以<SCRIPT LANGUAGE="JavaScript">为第一行代码作参照。
80行改为:  var left = 37, right = 39, rotate = 32, down = 40;
121行里添加如下代码，也就是"document.onkeydown = function()"加入如下代码。
//------------------------------------------
case up:
  while(fCheckCanMoveOrRotate("down", "move")){
    fMove("down");
  }
break;
//------------------------------------------二，
你既然能够"录制片头",想必也能够(做到)"录制全程"。
这是我的建议。
添加“录制开始”(按钮)，“录制结束”(按钮)，“播放录像”(按钮)
“录像脚本”(文本框).“录制开始” onclick :
  当然就是录制开始。 RecordReplayStart(){doRecordReplayStart()};“录制结束” onclick :
  录制完成。
  RecordReplayEnd(){
    doRecordReplayEnd();
    //弹出prompt,prompt里的文本框显示script.(让用户赋值这个script)
  };“播放录像” onclick :
   //在“录像脚本”(文本框) 填入script。
   ShowReplay();

^_^非常期待你能把这个功能作出来，并发出来！（至少发给我啦，呵！呵！）
我刚才写错了
80行改为: var left = 37, right = 39, rotate = 32, down = 40, up = 38;