Classification: UNCLASSIFIED Caveats: NONE I appreciate all the help. Turns out the problem was related to lighting. disabling it draws the colors correctly for that camera.
thanks to all! > -----Original Message----- > From: [email protected] [mailto:osg-users- > [email protected]] On Behalf Of Ulrich Hertlein > Sent: Thursday, March 12, 2009 8:52 PM > To: OpenSceneGraph Users > Subject: Re: [osg-users] second newbie question reiteratedwithdrawLin > (UNCLASSIFIED) > > Hi Daniel, > > On 13/3/09 3:34 AM, Konkle, Daniel T AMRDEC/Dynetics wrote: > > The strange thing is that the first triangle that I draw is the wrong > > color and the second triangle is the correct color and they are both > > drawn from the same geode. > >... > >> osg::Vec3Array* tri = new osg::Vec3Array; > >> tri->push_back(osg::Vec3(0.0f, -0.1f, depth)); > >> tri->push_back(osg::Vec3(0.1f, 0.0f, depth)); > >> tri->push_back(osg::Vec3(0.0f, 0.1f, depth)); > >>... > >> osg::Matrix rot_mat = osg::Matrix::rotate( M_PI, 0.0f, 0.0f, > 1.0f); > >> rotate->setMatrix( rot_mat ); > >>... > >> // set the normal in the same way color. > >> osg::Vec3Array* normals = new osg::Vec3Array; > >> normals->push_back(osg::Vec3(0.0f,-1.0f,0.0f)); > >> linesGeom->setNormalArray(normals); > >> linesGeom->setNormalBinding(osg::Geometry::BIND_OVERALL); > > Could it be your normal is wrong? > Your object is constructed in the X/Y plane but has a normal of > osg::Vec3(0,-1,0) i.e. -Y. > Try it with a +Z normal i.e. osg::Vec(0,0,1). > > Hope this helps, > /ulrich > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users- > openscenegraph.org Classification: UNCLASSIFIED Caveats: NONE _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
