Hi Robert, I had to add in some buffer group nodes ahead of the ones I wanted to apply a state change to and so now it works great.
Thanks, Judie On Apr 14, 11:54 am, "Robert Osfield" <[EMAIL PROTECTED]> wrote: > Hi Judia, > > What you are trying to do should work, but without the code for setting the > different stateset to the appropriate nodes I can't say what exactly the > problem is. The fact that you refer to NodeCParent looks suspect, you > should apply directly to NodeC as NodeCParent is NodeA... > > Robert. > > On Mon, Apr 14, 2008 at 7:36 PM, Judie Stanley <[EMAIL PROTECTED]> > wrote: > > > > > This is an exisiting project. > > Here is the basic node structure: > > > Root > > | > > NodeA > > / \ > > NodeB NodeC > > > I want to disable writes to the color buffer before Node A, and then I > > don't want to enable them until Node C. That way, Node A, and Node B are > > drawn but only the depth buffer is updated, but then when Node C is drawn, > > both the color buffer and the depth buffer are updated. > > > Here is my code: > > > osg::ColorMask *colormaskOff = new osg::ColorMask(false, false, false, > > false); > > osg::ColorMask *colormaskON = new osg::ColorMask(true, true, true, true); > > > osg::StateSet* state = NodeAParent->getOrCreateStateSet(); > > state->setAttribute(colormaskOff); > > > osg::StateSet* state2 = NodeCParent->getOrCreateStateSet(); > > state2->setAttribute(colormaskON); > > > So you can see my dilema. > > > In the code I see that the glColorMask gets called with the correct data, > > however, because of the graph topology, NodeA and NodeB get drawn to the > > color buffer even though I disabled it in the Root (NodeAParent), it gets > > enabled for NodeA (NodeCParent). > > > Is it possible to stick come kind of node inbetween NodeA and NodeC? What > > type of node should that be? Can there be a blank node? > > > Thanks, > > > Judie > > > _______________________________________________ > > osg-users mailing list > > [EMAIL PROTECTED] > >http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph... > > > > _______________________________________________ > osg-users mailing list > [EMAIL > PROTECTED]://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph...- > Hide quoted text - > > - Show quoted text - _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
