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用javascript做一个小游戏平台 (二) 游戏选择器

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Javascript 中的 一个javascript脚本写的俄罗斯方块

出处:互联网   整理: 软晨网（RuanChen.com）   发布: 2009-08-10   浏览: 128 ::
收藏到网摘: n/a

Russia.htm

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> 俄罗斯方块 </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="dolphin">
<META NAME="Description" CONTENT="俄罗斯方块游戏">
<STYLE>
.btnup{
         border-left:solid #ffffff 1px;
         border-top:solid #ffffff 1px;
         border-right:solid #828486 1px;
         border-bottom:solid #828486 1px;
   font-size: 9pt;
   cursor:default
        }
tr{
  font-family:"宋体";
  font-size: 9pt;
  cursor: default
}
</STYLE>
<SCRIPT LANGUAGE="JavaScript" src="Russia.js"></SCRIPT>
</HEAD>

<BODY BGCOLOR="#FFFFFF" onload="Init()" onkeydown="keyDown()">
<TABLE border="0" cellspacing="2" cellpadding="6" align="center" width="60%">
<TR valign="top">
 <TD width="120">
  得分: &nbsp;&nbsp;<SPAN ID="gScore"></SPAN>&nbsp;&nbsp;<p>
  级别: &nbsp;&nbsp;<SPAN ID="gLevel"></SPAN>&nbsp;&nbsp;<p>
  行数: &nbsp;&nbsp;<SPAN ID="gLine"></SPAN>&nbsp;&nbsp;<p>
 </TD>
 <TD><SPAN ID="GameBody"><!-- 游戏主区域 --></SPAN></TD>
 <TD>
  <SPAN ID="GameForecast"><!-- 游戏预报区域 --></SPAN><p>
  <BUTTON ID="start" onclick="StartGame()">开始游戏</BUTTON><p>
  <BUTTON ID="pause" onclick="PauseGame()">暂停游戏</BUTTON><p>
  <BUTTON ID="over" onclick="OverGame()">结束游戏</BUTTON><p>
  <BUTTON>帮&nbsp;&nbsp;&nbsp;&nbsp;助</BUTTON>
 </TD>
</TR>
</TABLE>
</BODY>
</HTML>

Russia.js

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] + "\">&nbsp;</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" + delLine[i] + "#" + j);
   obj.style.background = Color[0];
  }
  deleted = deleted + 1;
  if(delLine.length>deleted)
  {
   if(delLine[i]-delLine[i+1]>1) ReDrawLine(delLine[i+1],delLine[i],deleted);
  }
 }
 ReDrawLine(end,delLine[delLine.length - 1],deleted);
}

function ReDrawLine(endline,startline,moveline){
 var obj;
 for(var i= startline - 1; i>endline; i--){
  for(var j=0; j<10; j++){
   obj = document.all("Main" + i + "#" + j);
   var oldcolor = obj.style.background;
   obj.style.background = Color[0];
   var rowid = i + moveline;
   obj = document.all("Main" + rowid + "#" + j);
   obj.style.background = oldcolor;
  }
 }
}

function MoveSquare(from,to){
 if(isBounds(to) == false) return false;
 var obj;
 loop:
 for(var i=0; i<to.length; i++){
  obj = document.all("Main" + to[i].rows + "#" + to[i].cols);
  if(obj.style.background != Color[0]){
   for(var j=0; j<from.length; j++)
    if(to[i].cols==from[j].cols&&to[i].rows==from[j].rows&&to[i].color==from[j].color)
     continue loop;
    return false
  }
 }
 return true;
}

function MoveCurSq(x,y,isRotate){
 NextSq = new Array(CurSq.length);
 for(var i=0; i<CurSq.length; i++){
  if(isRotate){
   var dx = CurSq[i].cols - CurSq[0].cols;
   var dy = CurSq[i].rows - CurSq[0].rows;
   NextSq[i] = new Square(CurSq[0].cols-dy,CurSq[0].rows+dx,CurSq[i].color);
  }
  else
   NextSq[i] = new Square(CurSq[i].cols+x,CurSq[i].rows+y,CurSq[i].color);
 }
 if(isRotate) reNextSq();
 if(MoveSquare(CurSq,NextSq) == false){
  for(var i=0; i<CurSq.length; i++){
   if((CurSq[i].rows==0&&CurSq[i].cols==Cols/2)||(CurSq[i].rows==0&&CurSq[i].cols==Cols/2-1))
    isOver = true;
  }
  return false;
 }

 clearDraw('Main',CurSq);
 CurSq = NextSq;
 reDraw('Main',CurSq);
 return true;
}

function reNextSq(){
 var minCols = SortSquare(NextSq,'Cols',false);
 var minRows = SortSquare(NextSq,'Rows',false);
 var maxCols = SortSquare(NextSq,'Cols',true);
 var maxRows = SortSquare(NextSq,'Rows',true);

 if(minCols<0)  changeNextSq('Cols',-minCols);
 if(minRows<0)  changeNextSq('Rows',-minRows);
 if(maxCols>9)  changeNextSq('Cols',9-maxCols);
 if(maxRows>19) changeNextSq('Rows',19-maxRows);
}

function changeNextSq(name,pos){
 for(var i=0; i<NextSq.length; i++){
  if(name="Rows")
   NextSq[i].rows = NextSq[i].rows + pos;
  else
   NextSq[i].cols = NextSq[i].cols + pos;
 }
}

function keyDown(){
 switch(event.keyCode){
  case 40:
   MoveCurSq(0,1,false);
   break;
  case 37:
   MoveCurSq(-1,0,false);
   break;
  case 38:
   MoveCurSq(0,0,true);
   break;
  case 39:
   MoveCurSq(1,0,false);
   break;
 }
}

function PauseGame(){
 if(pause.innerText == "暂停游戏"){
  isPause = true;
  pause.innerText = "继续游戏";
  pause.focus();
 }
 else{
  isPause = false;
  pause.innerText = "暂停游戏";
  pause.focus();
  Run();
 }
}

function OverGame(str){
 if(typeof(str)=="undefined") str = "你的得分：" + score +"。是否重玩游戏？ ";
 else str = str + "你的得分：" + score +"。是否重玩游戏？ ";

 var isOK = window.confirm(str);
 if(!isOK) {
  document.location.reload();
  window.close();
 }
 else{
  document.location.reload();
 }
}