Hello Dirk,
> You need to look for the MaterialGroup which sits right on top of the
> Geometry, and change that. But it doesn't use a SimpleMaterial, it uses
> a ChunkMaterial (not sure why right now. Johannes, Gerrit: is there a
> reason not to use a SimpleTexturedMaterial?). To make that transparent
> you need to add a BlendChunk to it with the blending functions you want,
> and change the MaterialChunk's diffuse color to have the transparency
> you want.
Not sure if I'm doing this the right way, but having done that, what happens is
that when I start lowering the MaterialChunk's diffuse alpha component, _one_
of my object's faces disappears completely (the alpha is just below 1.0, and
the face is completely invisible...). The rest of the object is unchanged.
I used
blendChunk->setAlphaSrcFactor( GL_SRC_ALPHA );
blendChunk->setAlphaDestFactor( GL_ONE_MINUS_SRC_ALPHA );
which is the way I normally do transparency... I also added glEnable(GL_BLEND);
in initGLState(). It doesn't seem to work.
Is there anything else I need to do for transparency to work properly?
Thanks,
J-S
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