I think I wasn't clear on my question: The HUD works fine, as does the
other regular 3D camera (behind the HUD). What I'd like to be able to do
is have some items in the background camera appear on top of the HUD
while others remain behind it. I thought I could use renderbins, but
since the HUD and the 3D cameras are separate, that doesn't seem to be
working.
Mike Greene
010/1/6 Mike Greene <[email protected] <mailto:[email protected]>>
I have a view with two cameras - a HUD camera and a regular 3D
perspective camera. I have my scene set up so that I can vary the
alpha of the HUD (drawn with a polygon) so that I can see the 3D
view behind at various intensities. What I would like to be able
to do is have some of the 3D components drawn at full brightness
while the HUD is also fully opaque. I tried using renderbins, but
I think the problem is that the HUD and the 3D items are seen with
different cameras. Is there a way to accomplish this?
The important calls for setting up a hud camera are:
camera->setReferenceFrame(osg::Transform::ABSOLUTE_RF);
camera->setClearMask(GL_DEPTH_BUFFER_BIT);
camera->setRenderOrder(osg::Camera::POST_RENDER);
camera->setViewport(x, y, w, h);
And maybe also:
camera->setAllowEventFocus(false);
If that doesn't resolve it, you'll need to post some code and a
screenshot.
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