void Update ( const [UStaticMesh](API\Runtime\Engine\Engine\UStaticMesh) * StaticMesh, const int32 StaticMeshLODIndex, const [USkeletalMesh](API\Runtime\Engine\Engine\USkeletalMesh) * SkeletalMesh, const int32 SkeletalMeshLODIndex, const int32 NumDrivers, const float Sigma )