Jay,
Do you use multiple "Views" in the Java 3D sense? I have a strange problem
with disappearing QuadArrays when I use multiple Views (in my case 3). The
long and short of it is that the QuadArrays disappear in the 2nd and 3rd
View if the 0,0,0 point is not visible in the View.
I reported this issue to SUN months ago (including submitting the example,
twice) but have not heard anything. In my case I replaced the QuadArrays
with ColorCubes and the ColorCubes stay put, so the two issues do sound
related. Someone else on the list also confirmed this.
IMO there are some overly aggressive "optimizations" that do not properly
take into account multiple Views.
Sorry I can't suggest a workaround... if you find one let me know!
Sincerely,
Daniel Selman
[EMAIL PROTECTED]
http://www.tornadolabs.com
> -----Original Message-----
> From: Discussion list for Java 3D API
> [mailto:[EMAIL PROTECTED]]On Behalf Of Jay Scherer
> Sent: 25 January 2000 20:31
> To: [EMAIL PROTECTED]
> Subject: [JAVA3D] Problems with LineStripArray
>
>
> I've got a simulation that draws the trajectory for a missile and a kill
> vehicle. I've also allowed the user to "view" from the interceptor or
> targets perspective. This works great up to a point, but at some random
> points in the scene, when viewing from the kill vehicle, the
> interceptors lines disappear. At 1st I thought this was a clip distance
> issue, but couldn't find any resolution. So instead of drawing the
> trajectories with linestriparray, I drew a bunch of spheres. After that
> I was able to see the entire scene from the kill vehicle. Does anyone
> have any idea what might be causing this?
>
> Thanks,
> Jay
>
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