The Polymorphic Game

public class Game {
	static Game () {
		allPiles = new CardPile[ 13 ];
		allPiles[0] = new DeckPile(335, 5 );
		allPiles[1] = new DiscardPile(268, 5 );
		for( int i = 0; i < 4; i++ ) {
			allPiles[2 + i] = new SuitPile(15 + 60 * i, 5);
		}
		for( int i = 0; i < 7; i++ ) {
			allPiles[6+i] = new TablePile(5+55*i, 80, i+1);
		}	
	}

	public static void paint (CardView cv) {
		for( int i = 0; i < 13; i++ ) {
			allPiles[i].display(cv );
		}
	}

	public static void mouseDown (int x, int y) {
		for( int i = 0; i < 13; i++ ) {
			if( allPiles[i].includes(x, y) ) { 
				allPiles [i].select(x, y);
			}	
		}
	}

	public static CardPile deckPile () { return allPiles[0]; }

	public static CardPile discardPile () { return allPiles[1]; }

	public static CardPile tableau (int index) { return allPiles[6+index]; }

	public static CardPile suitPile (int index) { return allPiles[2+index]; }

	private static CardPile[] allPiles;
}