一个javascript脚本写的俄罗斯方块 （2）Russia.js

答案：var Cols = 10, Rows = 20, Sqlen = 16;
var Color = new Array(8);
var delLine = new Array();
var CLoc = new Array();
var RLoc = new Array();
var CurSq,NextSq;
var type=-1,oldtype;
var delay = new Array(600,500,400,300,200,100,90,80,70);
var TimerID;
var pos = 0,end,level=0,score=0,lines=0;
var isOver=false,isPause=false;

Color[0] = "#d0d0d0";
Color[1] = "red";
Color[2] = "green"
Color[3] = "cyan";
Color[4] = "yellow";
Color[5] = "orange";
Color[6] = "pink";
Color[7] = "blue";


function GameArea(row,col,name){
 var s = "<TABLE BORDER=1 cellspacing=0 cellpadding=1 bgcolor=" + Color[0] + ">";
 for(var i=0; i<row; i++){
  s = s + "<TR Height=" + Sqlen + ">";
  for(var j=0; j<col; j++){
   var id = name + i + "#" + j;
   s = s + "<TD Width=" + Sqlen + " class=btnup id=" + id;
   s = s + " style=\"background:" + Color[0] + "\"> </TD>"
  }
  s = s + "</TR>";
 }
 s = s + "</TABLE>";
 return s;
}

function Init(){
 GameBody.innerHTML = GameArea(Rows,Cols,'Main');
 GameForecast.innerHTML = GameArea(4,4,'Forecast');
}

function Square(cols,rows,color){
 this.rows = rows;
 this.cols = cols;
 this.color = color;
}

function chooseSquare(type,x,y){
 var sq = new Array(4);
 switch(type){
  case 0:
   sq[0] = new Square(x-1,y,1);
   sq[1] = new Square(x,y,1);
   sq[2] = new Square(x+1,y,1);
   sq[3] = new Square(x+2,y,1);
   break;
  case 1:
   sq[0] = new Square(x,y,5);
   sq[1] = new Square(x,y+1,5);
   sq[2] = new Square(x+1,y+1,5);
   sq[3] = new Square(x,y+2,5);
   break;
  case 2:
   sq[0] = new Square(x,y,2);
   sq[1] = new Square(x,y+1,2);
   sq[2] = new Square(x+1,y+1,2);
   sq[3] = new Square(x+1,y+2,2);
   break;
  case 3:
   sq[0] = new Square(x+1,y,7);
   sq[1] = new Square(x+1,y+1,7);
   sq[2] = new Square(x,y+1,7);
   sq[3] = new Square(x,y+2,7);
   break;
  case 4:
   sq[0] = new Square(x,y,3);
   sq[1] = new Square(x+1,y,3);
   sq[2] = new Square(x,y+1,3);
   sq[3] = new Square(x+1,y+1,3);
   break;
  case 5:
   sq[0] = new Square(x,y,6);
   sq[1] = new Square(x+1,y,6);
   sq[2] = new Square(x+1,y+1,6);
   sq[3] = new Square(x+1,y+2,6);
   break;
  case 6:
   sq[0] = new Square(x+1,y,4);
   sq[1] = new Square(x,y,4);
   sq[2] = new Square(x,y+1,4);
   sq[3] = new Square(x,y+2,4);
   break;
 }
 return sq;
}

function reDraw(name,sq){
 var obj;
 for(var i=0; i<sq.length; i++){
  obj = document.all(name + sq[i].rows + "#" + sq[i].cols);
  obj.style.background = Color[sq[i].color];
 }
}
function clearDraw(name,sq){
 var obj;
 for(var i=0; i<sq.length; i++){
  obj = document.all(name + sq[i].rows + "#" + sq[i].cols);
  obj.style.background = Color[0];
 }
}

function isBounds(sq){
 for(var i=0; i<sq.length; i++){
  if(sq[i].cols<0 || sq[i].cols>9 || sq[i].rows<0 || sq[i].rows>19) 
   return false;
 }
 return true;
}

function SortSquare(sq,name,isMax){
 if(isMax){
  var Max = 0;
  if(name=="Rows"){
   for(var i=0; i<sq.length; i++){
    if(sq[i].rows>Max) Max = sq[i].rows;
   }
  }
  else{
   for(var i=0; i<sq.length; i++){
    if(sq[i].cols>Max) Max = sq[i].cols;
   }   
  }
  return Max;
 }
 else{
  var Min = 20;
  if(name=="Rows"){
   for(var i=0; i<sq.length; i++){
    if(sq[i].rows<Min) Min = sq[i].rows;
   }
  }
  else{
   for(var i=0; i<sq.length; i++){
    if(sq[i].cols<Min) Min = sq[i].cols;
   }  
  }
  return Min;
 }
}

function StartGame(){
 start.disabled = true;
 pause.focus();
 type = parseInt(Math.random()*7);
 oldtype = type;
 type = parseInt(Math.random()*7);
 var m = 4/2 -1;
 NewSq = chooseSquare(type,m,0);
 reDraw('Forecast',NewSq);
 Start();
}
function Start(){
 if(isOver){
  var s = "本次游戏结束！ ";
  OverGame(s); 
 }
 gScore.innerText = score;
 gLine.innerText = lines;
 gLevel.innerText = level;
 oldtype = type;
 clearDraw('Forecast',NewSq);
 type = parseInt(Math.random()*7);
 var m = 4/2 -1;
 NewSq = chooseSquare(type,m,0);
 reDraw('Forecast',NewSq);
 var mm = Cols/2 -1;
 CurSq = chooseSquare(oldtype,mm,0);
 reDraw('Main',CurSq);
 window.clearInterval(TimerID);
 TimerID = window.setInterval("Run()",delay[level]);
}
function Run(){
 if(isPause) return;
 if(MoveCurSq(0,1,false) == false){
  window.clearInterval(TimerID);
  if(RemoveLines()==true) {
   DelLines();
   lines = lines + delLine.length;
   switch(delLine.length){
    case 1:
     score = score + 100;
     break;
    case 2:
     score = score + 300;
     break;
    case 3:
     score = score + 700;
     break;
    case 4:
     score = score + 1000;
     break;
   }

   level = parseInt(score/10000);
  }
  Start();
 }
}

function RemoveLines(){
 var obj,m=0;
 var isRemove = true;
 var searchPos = true;
 var del = new Array();
 for(var i=19; i>=0; i--){
  for(var j=0; j<10; j++){
   obj = document.all("Main" + i + "#" + j);
   if(obj.style.background == Color[0]){
    isRemove = false;
   }
   else{
    searchPos = false;
   }
  }
  if(searchPos) {
   end = i;
   if(del.length>0){delLine=del;return true;}
   else{return false;}
  }
  if(isRemove) {del[m] = i; m++;}
  searchPos = true;
  isRemove = true;
 }
}

function DelLines(){
 var deleted = 0;
 var obj;
 for(var i=0; i<delLine.length; i++){
  for(var j=0; j<10; j++){
   obj = document.all("Main&quo

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