TSkeletalRicciNaryBlend3

Boolean Union of N implicit functions (F_1 or F_2 or ... or F_N) Or if bSubtract=true, Subtraction: (F_1 - (F_2 or F_3 or ... or F_N)) We expect this to be used with "Skeletal Field" inputs (e.g. [TDistanceFieldToSkeletalField](API\Runtime\GeometryCore\Implicit\TDistanceFieldToSkeletalField), [TSkeletalImplicitLine3](API\Runtime\GeometryCore\Implicit\TSkeletalImplicitLine3), etc) where values are in the range [0,1] and the isosurface is ~ in the middle of that range