Function Mul

engine/Poseidon/Graphics/Shadow/ShadowMath.cpp:60–76

}

Mat4 Mul(const Mat4& a, const Mat4& b)
{
    Mat4 r;
    for (int i = 0; i < 4; i++)
    {
        for (int j = 0; j < 4; j++)
        {
            float s = 0.0f;
            for (int k = 0; k < 4; k++)
            {
                s += a.at(i, k) * b.at(k, j);
            }
            r.at(i, j) = s;
        }
    }
    return r;
}

Mat4 Inverse(const Mat4& a)
{