Alberto, I presume that your skydome has some sort of camera centred transform over it (as per osghangglide's example use); your code doesn't show it.
> osg::ClearNode* clearNode = new osg::ClearNode; > > clearNode->setRequiresClear(false); This is odd. If your camera is the first thing to draw (implied by PRE_RENDER) then something needs to be clearing the colour and depth buffer. In any case, you can use camera's setClearMask method to control this without needing a clearNode. For example camera->setClearMask(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT) clears everyhing, setClearMask(0) clears nothing. osg::TexEnv* te = new osg::TexEnv; > te->setMode(osg::TexEnv::REPLACE); > stateset->setTextureAttributeAndModes(0, te, osg::StateAttribute::ON); > Slightly surprised to see this, but if your skydome needs it, then OK. > stateset->setMode( GL_CULL_FACE, osg::StateAttribute::ON ); > > osg::Depth* depth = new osg::Depth; > depth->setFunction(osg::Depth::ALWAYS); > depth->setRange(1.0,1.0); > stateset->setAttributeAndModes(depth, osg::StateAttribute::ON ); > Again, not wrong (as the depth testing is always passed) but not really necessary, as you are ensuring that your skydome is drawn first. I would tend to prevent depth writing with osg::Depth* depth = new osg::Depth; depth->setWriteMask(false); // don't bother writing the depth buffer stateset->setAttributeAndModes(depth, osg::StateAttribute::ON ); and also disable depth testing with stateSet->setMode(GL_DEPTH_TEST, osg::StateAttribute::OFF) I looked at my code and noticed that I also do camera->setCullingMode(osg::CullSettings::NO_CULLING), but can't remember at the moment whether it's relevant. Lastly, what OSG version are you using? Hope that helps, David
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