[Bf-committers] Python new particle system module

[Janne Karhu]

Sure,

the basic way (i.e. should give correct result in most cases) to get a  
particle's location (child or actual particle) is  
psys_get_particle_state(...) in particle.c. You can probably look at the  
places where it's used to figure out how it works. It should also work for  
hair particles, but with the simplification that hair particle's life is  
always from frame 1 (or zero, don't remember right now) to frame 100.

Cheers,

Janne.


On Mon, 11 Feb 2008 13:09:34 +0200, Cédric PAILLE <cedricpaille at gmail.com>  
wrote:

> Hi,
>
> I understand that, but, can you tell me, roughly how to get particles  
> loc ?
> I need it for my exporter, at least for making some tests.
>
> Cheers.
>
> 2008/2/11, Janne Karhu <jhkarh at utu.fi>:
>>
>> Hi Cédric,
>>
>> atleast at some point during the physics sprint it was decided that the
>> new particles would be in the first release without any python
>> connections. There are a lot of new things to consider and afterwards
>> probably many many more things will be possible through python compared  
>> to
>> the old system. The first priority is to get everything working properly
>> in the internal code, after that python can start poking around :) I
>> realize that this will make some old scripts non-functional for the
>> release, but as a perfect conversion from the old particle system is
>> impossible even without python scripts in the system I don't think it's  
>> a
>> big difference.
>>
>> Janne
>>
>>
>> On Fri, 08 Feb 2008 23:18:13 +0200, Cédric PAILLE  
>> <cedricpaille at gmail.com>
>> wrote:
>>
>> > Hi all,
>> >
>> > At first, please excuse my poor englsh, I'm new to the mailing list.
>> >
>> > I was waiting since it's in the SVN for the new particle system python
>> > module, but it seems that nobody's working on it...
>> > So I've beginned to write it myself.
>> >
>> > It's almost finished, right now, but I need some pointers to code a
>> > function
>> > similar to the old getParticlesLoc() of the effect module.
>> >
>> > Can somebody tell me how to get the particles location and hair  
>> segments
>> > ?
>> >
>> > I've tried to look at the "draw_object.c", but it's hard to  
>> understand.
>> >
>> > Hair drawing seems to use the particle cache, and particle uses a
>> > function
>> > to retrieve the location.
>> >
>> > Last question : Are you interested to integate it in the SVN ?
>> >
>> > Cheers.
>> >
>>
>>
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