ablionbear Posted March 21, 2017 Share Posted March 21, 2017 (edited) Hi I need to have a curve with point normal that is perpendicular to the point itself. In which when I move the position of the curve, the point normal will not be affected. Is there any way I could achieve, maybe in VOP or SOP? Cheers point_perpendicular_normal.hip Edited March 21, 2017 by ablionbear Quote Link to comment Share on other sites More sharing options...
3dome Posted March 21, 2017 Share Posted March 21, 2017 (edited) calculate the normals before you move the curve or you could put down a polyframe and a attribwrangle with this line @N = -cross(@N, v@tangentu); even easier: in polyframe node just turn off Normal and tick on Bitangent and call it N Edited March 21, 2017 by 3dome Quote Link to comment Share on other sites More sharing options...
ablionbear Posted March 22, 2017 Author Share Posted March 22, 2017 Thanks for the help, I applied both the polyframe and attribwrangle method and got the desired results. Cheers. Quote Link to comment Share on other sites More sharing options...
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