Hi Jason, I've just done tests on town models here at it's working fine.
Could you take a screenshot of what your are seeing, perhaps it's a driver bug. Robert. On Fri, Feb 27, 2009 at 3:49 PM, Jason Beverage <[email protected]> wrote: > Hi Robert, > > I was using the scaled lz.osg as an example, the same behavior can be seen > if you simply use the cow.osg. It rains very hard right around the cow, but > if you move the camera back far enough, the rain gets lighter and lighter > and then finally stops completely. Is this the desired effect? > > My original tests were on a projected osgdem generated database. If I used > a very small database, then the osgprecipitation effect worked well, but > loading a larger scene caused it to rain within a small region around the > center of the bounding sphere. I'll keep looking and see if I can come up > with anything. > > Thanks, > > Jason > > > On Thu, Feb 26, 2009 at 4:07 PM, Robert Osfield <[email protected]> > wrote: >> >> Hi Jason, >> >> osgParticle::PrecipitationEffect is design to be effectively infinite, >> no matter how far you move it should repeat endlessly. I've done lots >> of testing on town sized models and it certainly works in this context >> fine. >> >> My guess is that your scaling of the scene has introduced issues that >> the shader isn't able to cope with for some reason. Try loaded a >> model that is of a 1:1 scale to see if it works fine. >> >> Robert. >> >> On Thu, Feb 26, 2009 at 7:29 PM, Jason Beverage <[email protected]> >> wrote: >> > Hi Robert, >> > >> > I'm playing around with the osgprecipitation example and noticed that it >> > doesn't work as I would expect for large models. >> > >> > For example, osgprecipitation lz.osg works fine, but osgprecipitation >> > lz.osg.100,100,100.scale doesn't show any rain unless you zoom in >> > closely to >> > 0,0,0. >> > >> > Is there a way to make the precipitation effect follow the camera so >> > that is >> > always appears to be raining? >> > >> > I attempted to use the setPosition method of particle effect on each >> > frame >> > to the eye point of the camera, but that didn't seem to do anything. I >> > also >> > tried sticking the PrecipitationEffect under a MatrixTransform and >> > translating the MatrixTransform to the eye point of the camera each >> > frame >> > and it didn't seem to work correctly either. It seemed like it only >> > respected the initial positioning and ignored all subsequent transforms. >> > >> > Thanks! >> > >> > Jason >> > >> > _______________________________________________ >> > osg-users mailing list >> > [email protected] >> > >> > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >> > >> > >> _______________________________________________ >> osg-users mailing list >> [email protected] >> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
