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Cloth and motion blur (without shell) - Printable Version

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Cloth and motion blur (without shell) - robertfreitag - 07-25-2019

Hello Tyson,
I'm having another problem with motion blur, a few days ago you explained to me that if I enable the shell feature with tearing, the face count changes and that makes it (without the unified mesh velocity framework) currently not possible to calculate motion blur- understood.

Now I've tested tearing cloth with motion blur on some smaller scenes and it worked fine without the shell feature.
 
But I'm currently working on RND for a production scene in which I do -not- use the shell feature for tearing cloth and for some reason (other then in my smaller test scenes) it seems that I can not get motion blur to work on the tearing cloth at all regardless of the shell feature being enabled or not.

I really do not want to bother you too much but if you could have a look at that scene it would be fantastic.
I've stripped the scene down to a bare minimum and I hope you can reproduce the behavior.

(26mb)
http://fridayvfx.com/clipupload/tyFlowdebug.7z

Again thank you very much for your work.
-Robert


RE: Cloth and motion blur (without shell) - tyFlow - 07-25-2019

Hi Robert,

One thing I forgot to mention last time: the "chamfer pinched verts" setting in the Cloth operator can also introduce new faces to the cloth mesh when tearing is enabled. Disabling that should fix your issue.


RE: Cloth and motion blur (without shell) - robertfreitag - 07-25-2019

That is frigging amazing! Smile

Thank you very much!