Time for action – store the essentials

There are a few crucial values we need to remember throughout our game. Let's declare some variables at the very top of the GameScript (remember that typing the comments is optional, but the comments may help you understand the code).

import System.Collections.Generic;

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 = 16;
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 aCards:List.<Card>; // We'll store all the cards we create in this List
var aGrid:Card[,]; // This 2d array will keep track of the shuffled,dealt cards
var aCardsFlipped:List.<Card>; // This generic array list will store the two cards that the player flips over...