gameOfLife nextStep(gameOfLife world)
{
    int** nextWorld = cloneWorld(world);
    for (int maty = 0; maty < world.leny; maty++){
        for (int matx = 0; matx < world.lenx; matx++)
        {
            int counter = 0;
            for (int checkx = -1; checkx <= 1; ++checkx)
            {
                for (int checky = -1; checky <= 1; ++checky)
                {
                    if (checkx == 0 && checky == 0)
                        continue;
                    int x = matx + checkx;
                    int y = maty + checky;

                    if (x == -1)
                        x = world.lenx - 1;
                    if (y == -1)
                        y = world.leny - 1;
                    if (x == world.lenx)
                        x = 0;
                    if (y == world.leny)
                        y = 0;
                    counter += world.field[y][x];
                }
            }
            nextWorld[maty][matx] = conway(counter, world.field[maty][matx]);
        }
    }

    world.field[0][0] = 1;  //this is the check line
    world.field = nextWorld;

    return world;
}