cppRotate2DArrayEffective

#include <iostream>

int main()
{
    const int sizeY{ 5 };
    const int sizeX{ 5 };
    int arr2D[sizeY][sizeX]{
        {1,2,3,4,5},
        {6,7,8,9,10},
        {11,12,13,14,15},
        {16,17,18,19,20},
        {21,22,23,24,25}
    };
    int copyElement;
    char direction{ 'l' };
    int shifts{ 0 };
    int newHead{};

    while (true)
    {
        // output array
        for (int y{ 0 }; y < sizeY; ++y)
        {
            for (int x{ 0 }; x < sizeX; ++x)
            {
                std::cout << arr2D[y][x] << '\t';
            }
            std::cout << '\n';
        }
        std::cout << "Enter direction [l - left, r - right, u - up, d - down | x - exit]\n";
        std::cin >> direction;
        if (direction == 'x') { break; }

        std::cout << "Enter shifts count:\n";
        std::cin >> shifts;
        //fix shifts
        direction == 'l' or direction == 'r' ? shifts %= sizeX : shifts %= sizeY;
        newHead = shifts;
        // get newHead index
        if (direction == 'r') { newHead = sizeX - shifts; }
        else if (direction == 'd') { newHead = sizeY - shifts; }

        if (direction == 'l' or direction == 'r')
        {
            for (int y{ 0 }; y < sizeY; ++y)
            {
                int read{ newHead };
                int write{ 0 };
                int readNext{ 0 };
                int last{ sizeX };

                while (write != read and read != last)
                {
                    while (read != last)
                    {
                        if (write == readNext)
                        {
                            readNext = read;
                        }

                        copyElement = arr2D[y][read];
                        arr2D[y][read] = arr2D[y][write];
                        arr2D[y][write] = copyElement;
                        ++read;
                        ++write;
                    }
                    read = readNext;
                }
            }
        }
        else if (direction == 'u' or direction == 'd')
        {
            int read{ newHead };
            int write{ 0 };
            int readNext{ 0 };
            int last{ sizeY };

            while (write != read and read != last)
            {
                while (read != last)
                {
                    if (write == readNext)
                    {
                        readNext = read;
                    }
                    for (int x{ 0 }; x < sizeX; ++x)
                    {
                        copyElement = arr2D[read][x];
                        arr2D[read][x] = arr2D[write][x];
                        arr2D[write][x] = copyElement;
                    }
                    ++read;
                    ++write;
                }
                read = readNext;
            }
        }
    }
    return 0;
}