Function Transform

engine/Poseidon/Graphics/Shadow/ShadowMath.cpp:130–138

}

Vec4 Transform(const Mat4& a, const Vec4& v)
{
    Vec4 r;
    r.x = a.at(0, 0) * v.x + a.at(0, 1) * v.y + a.at(0, 2) * v.z + a.at(0, 3) * v.w;
    r.y = a.at(1, 0) * v.x + a.at(1, 1) * v.y + a.at(1, 2) * v.z + a.at(1, 3) * v.w;
    r.z = a.at(2, 0) * v.x + a.at(2, 1) * v.y + a.at(2, 2) * v.z + a.at(2, 3) * v.w;
    r.w = a.at(3, 0) * v.x + a.at(3, 1) * v.y + a.at(3, 2) * v.z + a.at(3, 3) * v.w;
    return r;
}

Vec3 TransformPoint(const Mat4& a, const Vec3& p)
{