[Bf-committers] Feature Request : Child particles hair keys accessible from python

Brecht Van Lommel brechtvanlommel at pandora.be
Wed Jan 30 13:03:01 CET 2013


Actually that's the not the current state anymore, for Cycles hair
rendering access to child particles was added. Cycles is implemented
in C++ but goes through the same API as python exporters. Here's
example python code:

The API is not the easiest to use but it works this way because child
particles paths are computed on the fly.


On Wed, Jan 30, 2013 at 9:02 AM, Maurice Raybaud
<mauriceraybaud at hotmail.fr> wrote:
> Hi,
> This may be my first post on this list, so I'm certainly mistaken about a few things :) but still:
> The following bug report describes the current state of particle Python API and more specifically in my case hair:
> https://projects.blender.org/tracker/index.php?func=detail&aid=33287&group_id=9&atid=498
> The
>  best thing for me would be to have  ChildParticle.hair_keys to get the
> trajectory steps of each child like for parent particles
> I have
> heard this is a lot of work to implement, but just want to add one more
> request to the rest for it: I implemented basic hair support for POV-Ray
>  exporter and tried to find other Python exporter that did things
> better,  to find out that Vray exporter, using more hardcoded approach
> was the only other one along cycles to get acces to children hair.
> Could this C code be given access from Python? or is it just not possible?
> Thanks for reading
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