Doug Twilleager wrote:
>
> The background geometry feature of the Java 3D Background node
> should do just what you describe. It renders a subgraph of
> geometry into the background that is only effected by rotation.
Oh, that's not in the spec anywhere!
Ok, but how is it effected by movements in the viewer's camera position.
My understanding is that it just renders the geometry flat. VRML has an
all encompassing background that changes as you move around with it. My
impression of J3D's background is that it renders the outside of the
object onto the back plane. So if I put a sphere into the background it
would render the outside of the sphere, not the inside that we need. We
also have to deal with top and bottoms so that if the user looks up,
there is a texture there too that is different to each of the sides.
--
Justin Couch http://www.vlc.com.au/~justin/
Freelance Java Consultant http://www.yumetech.com/
Author, Java 3D FAQ Maintainer http://www.j3d.org/
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