Function getFeatureNormal

source/MRMesh/MRFeatureHelpers.cpp:37–54

}

std::optional<Vector3f>  getFeatureNormal( FeatureObject* feature )
{
    std::optional <Vector3f> normal;
    [[maybe_unused]] bool ok = forEachObjectKind( [&] ( auto thisKind )
    {
        if constexpr ( HasGetNormalMethod<typename ObjKindTraits<thisKind.value>::type> )
        {
            auto obj = dynamic_cast< typename ObjKindTraits<thisKind.value>::type* >( feature );
            if ( obj )
            {
                normal = obj->getNormal();
                return true;
            }
        }
        return false;
    } );
    return normal;
}

std::optional <Vector3f>  getFeatureDirection( FeatureObject* feature )
{