public class Game {

	public static final int boardWidth = 20;
	public static final int squareSize = 30; //in pixels

	GameObject[][] gameGrid;
	GameObject head;
	DIR direction;

	ArrayList<GameObject> hadica;


	public enum DIR {
		UP,
		DOWN,
		LEFT,
		RIGHT;
	}


	Game() {
		Platno platno = Platno.dajPlatno("Snake", boardWidth * squareSize, boardWidth * squareSize, Color.WHITE);
		this.hadica = new ArrayList<GameObject>();
		this.direction = DIR.RIGHT;


		for (int i = 0; i < boardWidth; i++ ) {
			for (int j = 0; j < boardWidth; j++ ) {
				gameGrid[i][j] = new GameObject(ObjectType.EMPTY,i,j);
			}
		}

		this.hadica.add(new GameObject(ObjectType.SNAKE,3,4));
		this.hadica.add(new GameObject(ObjectType.SNAKE,3,5));
		this.hadica.add(new GameObject(ObjectType.SNAKE,3,6));
		head = this.hadica.get(0);
	}

	public void tik() {
		GameObject prdel = this.hadica.remove(this.hadica.size()-1);


		prdel.setX(this.hadica.get(0).getX() + 1); //V pripade ze DIR je RIGHT
		prdel.setY(this.hadica.get(0).getY())

		prdel.presunStvorec(getX * squareSize, getY * squareSize);
		this.hadica.insert(prdel,0);
	}


}


//===



public class GameObject {

	public enum ObjectType {
		EMPTY,
		SNAKE,
		APPLE;
	}

	ObjectType druhObjektu;
	int x; //suradcnice na ploche
	int y;
	Stvorec stvorec //suradnice na okne

	GameObject(ObjectType type, int x, int y) {
		this.druhObjektu = type;
		this.x = x;
		this.y = y;
	}

	public int getX() {
		return this.x;
	}

	public int getY() {
		return this.y;
	}

	public int getObjectType() {
		return this.druhObjektu;
	}
}



// ====

public static class main {
	private static Manazer manazer;
	private static Game game;


	main() {
		game = new Game();
		manazer = new Manazer();
		manazer.spravujObjekt(game);
	}
}