Unity3D Flip Card Game Part 4

Objective: To display white cards for the matching robots

File: 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];             var img: String;             if (card.isMatched) {                 img = "blank";             } else {                 if (card.isFaceUp) {                     img = card.img;                 } else {                     img = "wrench";                 }             }             GUI.enabled = !card.isMatched;             if (GUILayout.Button(Resources.Load(img),                     GUILayout.Width(cardW))) {                 if (playerCanClick) {                     FlipCardFaceUp(card);                 }                 Debug.Log(card.img);             }             GUI.enabled = true;         }         GUILayout.FlexibleSpace();         GUILayout.EndHorizontal();     }     GUILayout.FlexibleSpace();     GUILayout.EndVertical(); } 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;     } } function BuildDeck() {     var totalRobots: int = 4; // we've got four robots to work with     var card: Object; // this stores a reference to a card     var id: int = 0;     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, id);             aCards.Add(card);             card = new Card("robot" + (i + 1) + theMissingPart, id);             aCards.Add(card);             id++;         }     } } function FlipCardFaceUp(card: Card) {     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) {                 // Match!                 aCardsFlipped[0].isMatched = true;                 aCardsFlipped[1].isMatched = true;             } else {                 aCardsFlipped[0].isFaceUp = false;                 aCardsFlipped[1].isFaceUp = false;             }             //aCardsFlipped[0].isFaceUp = false;             //aCardsFlipped[1].isFaceUp = false;             aCardsFlipped = new ArrayList();             playerCanClick = true;         }     } }