Doug Twilleager wrote:
>
> I agree that our documentation should be more explicit about this.
> It is a general computer graphics issue.
Ta. In all honesty, I don't know why I've never been bitten by this
problem before.
There are still quite a few areas in the spec and API that assume the
underlying knowledge of OpenGL/Direct3D. Java3D tends to pick up a lot
of newbie programmers, moreso than the other 3D API's is my feeling and
so, even though we should be able assume a reasonable level of basic
graphics knowledge, it's not really the case. Therefore, even these
basic things should appear somewhere like the Spec, and possibly even
the GeometryArray Javadoc. Even myself, who's being doing 3D graphics
programming for close to 6 years now got bitten by it :(
> I just read the VRML spec on this issue, and it is a bit different.
> It seems to combine vertex normals with face normals, but states that
> if the normal does not match the winding order, results are undefined.
Yup. Alan is currently having Nightmares over this :)
--
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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"Humanism is dead. Animals think, feel; so do machines now.
Neither man nor woman is the measure of all things. Every organism
processes data according to its domain, its environment; you, with
all your brains, would be useless in a mouse's universe..."
- Greg Bear, Slant
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