UPDATE! On my Rage128 PRO, if I set the display properties to 24-bit,
the demo works fine. True color (32-bit) and 16-bit exhibit incorrect
transparency computation.
-Lee
-----Original Message-----
From: J. Lee Dixon [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, September 20, 2000 11:32 AM
To: [EMAIL PROTECTED]
Subject: Re: [JAVA3D] Fade-out of transparency textured polygons
Importance: High
Well, looks like it's a case of broken drivers again. I started with
the TextureModeApp from the Java3D examples and changed it to play with
transparent textures and shape transparency.
If you run this, you should see a blue (0,0,1) background, with a Text2D
object (which uses transparency textures). The Text2D is in red
(1,0,0), but the Shape3D is set to have a transparency of 0.5, so the
text should look purple.
On my Rage PRO video card the text looks bold red, not purple.
I've tried this on a STB Velocity 3D and a Riva TNT2 M64, both work
(show purple).
Anybody else care to try? This was annoying!!! ;)
I would love to have ONE applet that would test these kind of
capabilities out. I plan on making these kind of notes available on the
J3D.org site...
-Lee
J. Lee Dixon
Software Engineer
SAIC - Celebration, FL
[EMAIL PROTECTED]
-----Original Message-----
From: Doug Gehringer [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, September 19, 2000 2:11 PM
To: [EMAIL PROTECTED]
Subject: Re: [JAVA3D] Fade-out of transparency textured polygons
> Perhaps this is a bug?? I think
> it is time for a test app to show others (Sun)...
Yes, please. You've got a couple pieces involved here and it is getting
pretty
complex to figure out what is going on without code. I'm not sure that
you'll
be able to get what you want, but I think your approach of looking at
the
equations makes sense. What happens when use Replace mode and then use
the
polygon transparency to modulate the overall transparency?
Doug Gehringer
Sun Microsystems
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