[osg-users] Manipulating the diffuse color in the entire scene

[Ofir Ofir]

Hello!

I would like to use a node with a special StateSet, so I can force the
diffuse color in the entire scene (which is added as a child to the node) to
be (0,0,0,1).
I tried doing so with the attribute Material:
"
node->addChilde( entireSceneNode );

state = node->getOrCreateStateSet();

material->setDiffuse( Material::FRONT_AND_BACK, Vec4( 0, 0, 0, 1 ) );

state->setAttributeAndModes( material.get(), StateAttribute::ON |
StateAttribute::OVERRIDE);
"

But the result was that the ambient,specular,shinness etc. was changed as
well. How can I force the diffuse color alone on the entire scene?

Thanks!

Ofir
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