[Sidefx-houdini-list] pop previous velocity

Pablo Giménez pablogipi at gmail.com
Tue Apr 17 09:26:08 EDT 2007

2007/4/17, Luca Zappala <luca at cinesite.co.uk>:
> Hello there,
> I'm trying to cache the particle oldVel (velocity at the previous frame).
> I read the upvector node should create a previousVelocity local variable
> (PV) but this doesn't seem to be working properly, in fact PV is the
> same as V.
> Do you have any other idea on how to store the oldVel as well?

Another option, from SOP, is to use the cache  SOP and index to the previous
frame to get the previous velocity attribute value.

thanks a lot
> Luca
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Un saludo
Best Regards
Pablo Giménez

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