I've ported Joseph's particle tutorial to osg version 2.4 and it works
perfectly on my side. I'll try to find out the cause of this culling, thanks
for the help so far.
> Date: Thu, 26 Jun 2008 23:14:04 -0600> From: [EMAIL PROTECTED]> To:
> osg-users@lists.openscenegraph.org> Subject: Re: [osg-users] Particles being
> culled> > I'm totally guessing, but perhaps setting the max particle size>
> smaller and the number of particles larger will help, as perhaps your>
> particles are large enough to be touching the terrain and thereby> being
> culled? More smaller particles might show some noticable> difference...again,
> I'm totally guessing. I hope someone else can> provide some help here. Are
> Joseph's tutorials up to date even? I> haven't looked there in a long time.
> Sorry can't be more help.> -c> > 2008/6/26 CG <[EMAIL PROTECTED]>:> > Hi
> Charles,> >> > Thanks for your help, I've narrowed it down to my terrain,
> when I use> > Joseph's terrain, the particles look good. But when I switch
> over to my> > terrain, some of the particles will get culled. How does a
> terrain affect> > the particles?> >> > Regards,> > Cg> >> >
> ________________________________> >> Date: T
hu, 26 Jun 2008 21:18:51 -0600> >> From: [EMAIL PROTECTED]> >> To:
osg-users@lists.openscenegraph.org> >> Subject: Re: [osg-users] Particles being
culled> >>> >> Well, make a bare-bones test program and isolate the cause, and
post> >> it if necessary (in a new thread so someone else is compelled to jump>
>> in and help you!). It looks like, to me, that they are just rotated,> >> not
culled. Also, I guess you're using the connected system, and I> >> didn't
really look at that class ... try the bare-bones debug program!> >> Good luck,>
>> Charles> >>> >> 2008/6/26 CG <[EMAIL PROTECTED]>:> >> > Hi Charles,> >> >>
>> > That didn't work too. Just don't seem to see what is culling the> >> >
particles?> >> >> >> > Regards,> >> > Cg> >> >> >> >
________________________________> >> >> Date: Thu, 26 Jun 2008 08:14:55 -0600>
>> >> From: [EMAIL PROTECTED] om> >> >> To: osg-users@lists.openscenegraph.org>
>> >> Subject: Re: [osg-users] Particles being culled> >> >>> >> >> CG:> >> >>
One more tr
y: I'm just looking at old code b/c I know I've had a> >> >> similar
problem...and I didn't notice the next line of my code:> >> >>> >> >>
ps->SetAlignVectorX(osg::Vec3(0.,1.,0.));> >> >>> >> >> Hopefully that'll make
a difference.> >> >> -Charles> >> >>> >> >> On Thu, Jun 26, 2008 at 6:24 AM,
Charles Cossé <[EMAIL PROTECTED]>> >> >> wrote:> >> >> > Sorry, then, I tried
... maybe you should repost so Robert sees it.> >> >> > Charles> >> >> >> >> >>
> On Thu, Jun 26, 2008 at 3:08 AM, CG <[EMAIL PROTECTED]> wrote:> >> >> >> Hi
Charles,> >> >> >>> >> >> >> I've tried the setParticleAlignment and it didn't
work .> >> >> >>> >> >> >> Regards,> >> >> >> Cg> >> >> >>> >> >> >> _______
_________________________> >> >> >>> Date: Wed, 25 Jun 2008 23:28:53 -0600> >>
>> >>> From: [EMAIL PROTECTED]> >> >> >>> To:
osg-users@lists.openscenegraph.org> >> >> >>> Subject: Re: [osg-users]
Particles being culled> >> >> >>>> >> >> >>> try:> >> >> >>>
ps->setParticleAlignment(osgParticle::ParticleSys
tem::BILLBOARD);> >> >> >>>> >> >> >>>> >> >> >>> On Wed, Jun 25, 2008 at
11:23 PM, CG <[EMAIL PROTECTED]> wrote:> >> >> >>> > Hi Charles,> >> >> >>> >>
>> >> >>> > Thanks for the reply, what are the settings for the eye point> >>
>> >>> > facing?< BR>> >> >>> >> >> >> >>> > Regards,> >> >> >>> > Cg> >> >>
>>> >> >> >> >>> > ________________________________> >> >> >>> >> Date: Wed, 25
Jun 2008 23:18:07 -0600> >> >> >>> >> From: [EMAIL PROTECTED]> >> >> >>> >> To:
osg-users@lists.openscenegraph.org> >> >> >>> >> Subject: Re: [osg-users]
Particles being culled> >> >> >>> >>> >> >> >>> >> I think the default for
particle systems is that particles are> >> >> >>> >> little> >> >> >>> >>
billboards which always face the viewer's eye point. It looks> >> >> >>> >>
like> >> >> >>> >> you've undone that setting somehow, and that the billboards
are> >> >> >>> >> facing> >> >> >&g t;> >> different directions.> >> >> >>> >>>
>> >> >>> >> On Wed, Jun 25, 2008 at 11:07 PM, CG <[EMAIL PROTECTED]>
wrote:> >> >> >>> >> > Hi all,> >> >> >>> >> >> >> >> >>> >> > I'm trying to
simulate a smoke trail emitting from a moving> >> >> >>> >> > tank> >> >> >>>
>> > by> >> >> >>> >> > using> >> >> >>> >> > Joseph's codes but some particles
are being culled (see> >> >> >>> >> > attached> >> >> >>> >> > picture).> >> >>
>>> >> > Any ideas what are the causes?> >> >> >>> >> >> >> >> >>> >> >
Thanks,> >> >> >>> >> >> >> >> >>> >> > Cg> >> >> >>> >> >> >> >> >>> >& gt; >
________________________________> >> >> >>> >> > Make the most of what you can
do on your PC and the Web, just> >> >> >>> >> > the> >> >> >>> >> > way> >> >>
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>>> >>> >> >> >>> >>> >> >> >>> >> --> >> >> >>> >> AsymptopiaSoftware | [EMAIL
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