 | | | How to override a particle sprite ? | How to override a particle sprite ? 2005-04-24 - By Guillaume Laforge
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I can't use the alpha channel because I needed a random sequence for
the sprite image and an other random sequence for the matte.
I could override the sprite image in the render tree but I can't use
this option because I need the random sprite animation and there is no
"random mode" in the particle_scalar node who control frames in the
particle sprite node.
Anyway, I did the job with two scenes files ( remember me Lightwave days ;-) ).
Thanks
Guillaume
2005/4/24, ker.boris <ker.boris@(protected)>:
> Hi,
>
> If you have an alpha channel on your sprite image, you should have your
> matte.
> Anyway, if you still want to override the sprite image (which I apply as a
> simple texture image plugged in my Particle Billboard), you have to dig deep
> in your Cloud / Particle Cloud / ParticlesOp/ PType/ Renderer / Particle
> Billboard and choose the color parameter.
>
> Hope this helps
>
> Boris Jacq
> Bibofilms / Pumpkin 3D
> Paris
>
>
> -- -- Original Message -- --
> From: "guillaume laforge" <guillaume.laforge.3d@(protected)>
> To: <XSI@(protected)>
> Sent: Saturday, April 23, 2005 8:06 PM
> Subject: How to override a particle sprite ?
>
> > I've got a pass with some particles using sprite image from the
> > particle operator.
> > I need a matte pass for particles so I try to override those sprite
> > with a white image.
> >
> > I CAN'T FIND HOW TO !!!
> >
> > If in the Particle billboard I uncheck "From sprite" for the output
> > color I can use an image from the render tree ( and maybe I could
> > override it) but I need an image sequence and it doesn't play with an
> > image node in the render tree (did I miss something).
> >
> > I'm realy lost with particles...I believe I'm not the first who ask
> > this question here but I can't find info in the archives.
> >
> > Any tips to override sprites appreciate !
> >
> > Cheers,
> >
> > Guillaume Laforge
> > CG artist
> > www.vol2nuit.fr
> >
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> >
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