Hello,
Made a simple scene with an object with an opacity and diffuse map.
Exported it with OSGExp and it worked fine. So, opacity maps work.
Greetings, Joran.
Jan Waterman wrote:
Anyone??
From: "Jan
Waterman" <[EMAIL PROTECTED]>
Reply-To: osg users <[email protected]>
To: [email protected]
Subject: [osg-users] Problem with Opacity map in OSG model
Date: Wed, 17 May 2006 15:13:51 +0200
Hi everybody,
I've exported
a scene from 3DS Max with several objects on a floor. I've added a
light above it so I can see the shadows of the objects. I made a
lightmap texture for the floor by using Render to Texture. I chose this
texture as an opacity map for the floor and it seemed to work fine.
Next thing. I
used the exporter OSGExp to get the OSG file format. The lightmap was
succesfully exported as a new .tif file. However, when viewing the OSG
model, the lightmap doesn't seem to work... But when I look at the
model in OSGEdit, I do notice a geode with a drawable that contains a
StateSet. This StateSet consists of a Material, a BlendFuc and two tex
unit 0's with a Texture2D attached. One tex unit 0 contains the texture
of the floor, the other one contains the lightmap and has a
TexEnvCombine attached as well. The BlendFunc source is set to Source
alpha and the Destination is set to One minus source alpha.
Can anyone
tell me what I'm doing wrong here? I'm really running out of ideas now.
Is it even possible to use opacity maps in OSG?
Greets,
Jan
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