public Point WorldToMapCell(Point worldPoint)
{
    return WorldToMapCell(new Point((int)worldPoint.X, (int)worldPoint.Y));
}

public MapCell GetCellAtWorldPoint(Point worldPoint)
{
    Point mapPoint = WorldToMapCell(worldPoint);
    return Rows[mapPoint.Y].Columns[mapPoint.X];
}

public MapCell GetCellAtWorldPoint(Vector2 worldPoint)
{
    return GetCellAtWorldPoint(new Point((int)worldPoint.X, (int)worldPoint.Y));
}

public int factorial(int x) {
    if (x == 0)
        return 1;
    else
        return x * factorial(x - 1);

public Point WorldToMapCell(Point worldPoint)
{
    return WorldToMapCell(new Point((int)worldPoint.X, (int)worldPoint.Y));
}

public Point WorldToMapCell(Point worldPoint)
{
    return new Point((int)worldPoint.X, (int)worldPoint.Y);
}