static void CopyPointLerp ( const [FHairStrandsDatas](API\Plugins\HairStrandsCore\FHairStrandsDatas) & In, [FHairStrandsDatas](API\Plugins\HairStrandsCore\FHairStrandsDatas) & Out, uint32 InAttributes, uint32 InIndex0, uint32 InIndex1, float InAlpha, uint32 OutIndex )