unity 翻牌游戏（全都是gui）

var cols:int = 4;//列数
var rows:int = 4;//行数
var totalCards:int = 16;//所有卡片的数量
var matchesNeededToWin:int = totalCards*0.5;//最大匹配数，用来判断游戏是否胜利
var matchesMade:int = 0;
var cardW:int = 100;
var cardH:int = 100;
var aCards:Array;//用来保存所有的牌，要洗的时候，所有的东西放到这个里面
var aGrid:Array;
var aCardsFlipped:ArrayList;//翻开的牌的序列
var playerCanClick:boolean;//能否翻拍（开始的时刻木有翻牌，所以开的牌是0
//,翻开第一张的时候，可以翻开第二张，但是翻开第二张的时候，那么不可以再翻牌）
var playerHasWon:boolean = false;//用户是否胜利


//创建一个类
class Card extends System.Object{
    var isFaceUp:boolean = false;
    var isMatched:boolean = false;
    var img:String;
    var id:int;
    
    function Card(img:String,id:int){
        this.img = img;    
        this.id = id;
        //img = "robot";
    }
}


//洗牌
function BuildDeck(){
   var totalRobots:int = 4;//一共有四种机器人，红绿蓝黄
   var card:Object;
   var id:int = 0;
   for(i=0; i<totalRobots; i++)//一共四轮
   {
      var aRobotParts:Array = ["Head", "Arm", "Leg"];
      for(j=0; j<2; j++)
     {
        var someNum:int = Random.Range(0, aRobotParts.length);//生成一个0到3的随机数
        var theMissingPart:String = aRobotParts[someNum];//拼凑一个字符串，用来表示一张图片
        aRobotParts.RemoveAt(someNum);//这个已经用过了，就从数组中移除
        card = new Card("robot" + (i+1) + "Missing" + theMissingPart,id);
        aCards.Add(card);
        card= new Card("robot" + (i+1) + theMissingPart,id);
        aCards.Add(card);
        id++;
      }
   } 
}

function Start(){

    //可以翻牌
    playerCanClick = true;
    aCards = new Array();
    aGrid = new Array();
    aCardsFlipped = new ArrayList();
    BuildDeck();//开始洗牌
    
    //就一直在这里产生，产生一个，移除一个，再产生一个再移除一个。知道为空
    
    for(i=0; i<rows; i++)
    {
        aGrid[i] = new Array();//数组初始化1维
        for(j=0; j<cols; j++)
        {
            //aGrid[i][j] = new Card();//数组初始化2维
            var someNum:int = Random.Range(0,aCards.length);
            aGrid[i][j] = aCards[someNum];
            aCards.RemoveAt(someNum);
        }
    }
}

//翻牌

function FlipCardFaceUp(card:Object){
   card.isFaceUp = true;
   if(aCardsFlipped.IndexOf(card)<0)
   {
      aCardsFlipped.Add(card);
      
    if(aCardsFlipped.Count == 2)
    {
      playerCanClick = false;
      
      yield WaitForSeconds(1);
      if(aCardsFlipped[0].id == aCardsFlipped[1].id)
      {
        aCardsFlipped[0].isMatched = true;
        aCardsFlipped[1].isMatched = true;
        
        matchesMade++;
        
        if(matchesMade>=matchesNeededToWin)
        {
           playerHasWon = true;
        }
      }
        else
       {
          aCardsFlipped[0].isFaceUp = false;
          aCardsFlipped[1].isFaceUp = false;
       }
          aCardsFlipped = new ArrayList();
      
          playerCanClick = true;
       }
     }
}

function BuildGrid(){
    GUILayout.BeginVertical();
    GUILayout.FlexibleSpace();
    
    for(i=0; i<rows; i++)
    {
        GUILayout.BeginHorizontal();
        GUILayout.FlexibleSpace();
        for(j=0; j<cols;j++)
        {
            var card:Object = aGrid[i][j];
            var img:String;
            
            //如果图片已经匹配了，那么就做成空白
            if(card.isMatched)
            {
              img = "blank";
            }
            else
            {
               if(card.isFaceUp)
              {
                 img = card.img;
              }
               else
              {
                 img = "wrench";//牌的背面
              }
            }
            GUI.enabled = !card.isMatched;
            
            //点击了某一个按钮
            if(GUILayout.Button(Resources.Load(img),GUILayout.Width(cardW)))
            {
               if(playerCanClick)
               {
                     //翻牌
                  FlipCardFaceUp(card);
               }
                Debug.Log(card.img);
            }
            GUI.enabled = true;
        }
        GUILayout.FlexibleSpace();
        GUILayout.EndHorizontal();
  }
    GUILayout.FlexibleSpace();
    GUILayout.EndVertical();
}

//创建赢的时候的画面（就是两个正方形，让后让用户看的）
function BulidWinPrompt(){

   var winPromptW:int = 100;
   var winPromptH:int = 90;
   
   var halfScreenW:float = Screen.width/2;
   var halfScreenH:float = Screen.height/2;
   var halfPromptW:int = winPromptW/2;
   var halfPromptH:int = winPromptH/2;
   
   GUI.BeginGroup(Rect(halfScreenW-halfPromptW,halfScreenH-halfPromptH, winPromptW, winPromptH));
   GUI.Box (Rect (0,0,winPromptW,winPromptH),"You Win!!");
   
   if(GUI.Button(Rect(10,40,80,20),"Play Again"))
   {
       Application.LoadLevel(0);
   }
   GUI.EndGroup();
}

//这种布局类似于html

function OnGUI(){
    GUILayout.BeginArea(Rect(0,0,Screen.width,Screen.height));
    
    BuildGrid();
    if(playerHasWon)
    
      BulidWinPrompt();

    GUILayout.EndArea();
    print("building grid!");
}