I'd like to create a fixed background for an osg application, much like a HUD but while the HUD is always on top of the scene, I need to have an image always behind any 3D object.
I tried to modify the example about HUDs by changing: setRenderOrder(osg::Camera::POST_RENDER); into this: setRenderOrder(osg::Camera::PRE_RENDER); but I guess that this is not sufficent to achive my goal, because actually the background image is not displayed at all (or maybe it is covered by the scene...). How can I create the desired effect? Thanks in advance. Alessandro
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