Hi Fabien and Serge, Thanks for the useful information and code. I'll look into them and see if my work can be done better. :)
Wang Rui 2010/8/17 Fabien Lavignotte <[email protected]>: > Hi Wang, > It is just my personal experience that a simple to use and high performance > generic particle system is a huge if not impossible task. Just see for > exemple in osgParticle the PrecipitationEffect done by Robert, in fact it > does not use osgParticle framework. > I send you the ParticleSystemBuilder class i use to create my effects. Very > basic but sufficient for my own needs. > It covers particle drawing (using PointSprite), and basic particle > management. It is a template class so that you can easily reuse it with > different kind of particles. Too rough to be really useful for OSG, but it > can give an idea of a lightweight solution. > Then most of the code (particle simulation) is done in each effect and deals > with various problems, like precision issues when dealing with earth-like > databases. > Cheers, > Fabien > > _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

