Carl:
That seems to be the same information i have... another way to make sure
is to check out the file:
README.Java3D-jdk.OpenGL.txt
file that you may have somewhere in your installation directory..
it gives you the version of the Java3D you have..
-jay
----- Original Message -----
From: "Carl Smotricz" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, July 31, 2000 12:42 AM
Subject: [JAVA3D] Do I have the latest?
> Hi folks,
>
> I'm having some problems with lights and motion. I've verified that I have
> the latest
> drivers for my graphics card, including OpenGL 1.1; now I'd like to know if my
> Java3D installation is up to date. in JRE\lib\ext, I have (among others) a
> file called
>
> j3dcore.jar, 1,954,722 bytes, dated May 10, 2000 (could be my download date).
>
> Is that the latest greatest Windows/OpenGL version?
>
> One reason I ask is that attenuation doesn't work for me for PointLights and
> SpotLights. The attenuation parameters have no effect whatsoever. I even tried
> setting them all to 0 to provoke a divide-by-0 exception, but nothing
happened.
> The JDC Bug Parade lists this as a fixed/closed bug.
>
> I'm also not finding the spread angle and concentration parameters on
> SpotLight
> to be effective. Instead, there is a sharp cutoff where my entire scene is
> flooded
> at angles above 90 degrees and dark at below 90 degrees spread angle.
>
> The second problem is that when I move my lights around using a
> RotationInterpolator,
> I have correct illumination for about half a second, but then the lights
> start moving
> and the lighted elements of the scene go dark. I didn't find a problem like
> this
> mentioned in the Bug Parade.
>
> Any insight from you smart people would be appreciated.
>
> -Carl-
>
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