Hi all , there is broken shadow in latest release, PSSM for example. may you find time to fix it while your are testing the osgShadow lib. i worked on the fix last friday, and will retest it as soon as i got a free slot.
adrian 2008/5/5 Jean-Sébastien Guay <[EMAIL PROTECTED]>: > Hi Zoltan, > > There is osgShadow, but it's rather short on examples. Or may-be I > > haven't seen them ? > > > > The example is called osgshadow... ;-) > > In short, it's pretty simple: > > 1. Your root node (or the root node of the subgraph which you want to have > shadows) should be an osgShadow::ShadowedScene (subclass of osg::Group). > > 2. Instantiate the shadow technique you want (for example > osgShadow::ShadowMap) and set it as the shadow technique on your shadowed > scene (scene->setShadowTechnique(...)). > > > In your case, for an airplane flying over a large terrain, if you use > osgShadow::ShadowMap you will have lots of shadow map aliasing. For now, > ShadowMap is not view dependent, so it uses the scene bounds (or the light > frustum for a spot light), which will be very large in your case. As a first > step, you could disable shadows for everything but your airplane (for > example, shadowedScene->setCastsShadowTraversalMask(0x01) and then give all > your objects but your airplane a ~0x01 node mask). Perhaps others will have > better suggestions. > > Keep in mind that osgShadow::ShadowVolume does not really work yet (at > least I haven't seen it work, maybe it does in some cases). So I would use > ShadowMap with the workaround above. > > Hope this helps, > > J-S > -- > ______________________________________________________ > Jean-Sebastien Guay [EMAIL PROTECTED] > http://www.cm-labs.com/ > http://whitestar02.webhop.org/ > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > -- ******************************************** Adrian Egli
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