Unity3D Flip Card Game Part 2

Objective: Putting different images on cards

File name: GameScript.js

var cols: int = 4; // the number of columns in the card grid var rows: int = 4; // the number of rows in the card grid var totalCards: int = cols * rows; // I think the answer is 16, but I was never good with numbers. var matchesNeededToWin: int = totalCards * 0.5; // If there are 16  cards, the player needs to find 8 matches to clear the board var matchesMade: int = 0; // At the outset, the player has not made any  matches var cardW: int = 100; // Each card's width and height is 100 pixels var cardH: int = 100; var aCards: Array; // We'll store all the cards we create in this Array var aGrid: Array; // This array will keep track of the shuffled, dealt  cards var aCardsFlipped: ArrayList; // This array will store the two cards that the player flips over var playerCanClick: boolean; // We'll use this flag to prevent the player from clicking buttons when we don't want him to var playerHasWon: boolean = false; // Store whether or not the player has won. This should probably start out false :) function Start() {     playerCanClick = true; // We should let the player play, don't you think?     // Initialize the arrays as empty lists:     aCards = new Array();     aGrid = new Array();     aCardsFlipped = new ArrayList();     BuildDeck();     for (i = 0; i < rows; i++) {         aGrid[i] = new Array(); // Create a new, empty array at index i         for (j = 0; j < cols; j++) {             var someNum: int = Random.Range(0, aCards.length);             aGrid[i][j] = aCards[someNum];             aCards.RemoveAt(someNum);         }     } } function OnGUI() {     GUILayout.BeginArea(Rect(0, 0, Screen.width, Screen.height));     BuildGrid();     GUILayout.EndArea();     print("building grid"); } 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];             if (GUILayout.Button(Resources.Load(card.img),                     GUILayout.Width(cardW))) {                 Debug.Log(card.img);             }         }         GUILayout.FlexibleSpace();         GUILayout.EndHorizontal();     }     GUILayout.FlexibleSpace();     GUILayout.EndVertical(); } class Card extends System.Object {     var isFaceUp: boolean = false;     var isMatched: boolean = false;     var img: String;     function Card(img: String) {         this.img = img;     } } function BuildDeck() {     var totalRobots: int = 4; // we've got four robots to work with     var card: Object; // this stores a reference to a card     for (i = 0; i < totalRobots; i++) {         var aRobotParts: Array = ["Head", "Arm", "Leg"];         for (j = 0; j < 2; j++) {             var someNum: int = Random.Range(0, aRobotParts.length);             var theMissingPart: String = aRobotParts[someNum];             aRobotParts.RemoveAt(someNum);             card = new Card("robot" + (i + 1) + "Missing" + theMissingPart);             aCards.Add(card);             card = new Card("robot" + (i + 1) + theMissingPart);             aCards.Add(card);         }     } }