//Splits the string into a 2D array
            str.Split(' ');

            int X = int.Parse(str.Split(' ')[0]);
            int Y = int.Parse(str.Split(' ')[1]);

            map_objects = new Entity[X, Y];

            for (int i = 0; i < Y; i++)
            {
                str = sr.ReadLine();
                for (int j = 0; j < X; j++)
                {
                    if (str[j] == 'X')
                    {
                        map_objects[j, i] = new Wall(texture, new Vector2(pos.X + size * j, pos.Y + size * i));
                    }