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Hi !

I'm trying to rotate clumps using vex, I'm new into Houdini closest I could get is using this vex code from konstantin magnus on "how to rotate faces along Normal?" topic,

but the clump rotates on the wrong axis =(

I want achieve the results in this video at 17:32 (Hair FX in Houdini - GDC 2017 Talk) where Saber Jlassi does some really great twists on the clumps.

https://vimeo.com/sabervfx/hairfx#t=1054s

CurveRotate.thumb.jpg.ebc1c6384031680270a4b119abc03eb4.jpg

Here is the file scene !

ClumpStudies.hipnc

 

 

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