Hi Kim, PrecipitationEffect uses shaders is relatively modern but problem specific, while osgParticle::Particle/ParticleSystem uses CPU is relatively old but general purpose.
Robert. On 22 August 2013 06:20, Kim JongBum <osgfo...@tevs.eu> wrote: > Hi, guys > > i would like to learn differences between osgParticle (particle system) > and osgParticle::PrecipitationEffect. > > i tried to implement snow/rain effect with them but the result is totally > different so why is that? > > especially, osgParticle (particle system)'s performance is very low even > if i render little particles with short life span and at the small part. > > on the other hand, PrecipitationEffect render at the whole scene but > performance is high(frame rates) > > so could you explain that the differences > and how they work i mean the principles plz~ > > Thank you so much guys ! > > Cheers, > Kim > > ------------------ > Read this topic online here: > http://forum.openscenegraph.org/viewtopic.php?p=55938#55938 > > > > > > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >
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