On Tue, 2007-06-12 at 16:36 +0200, [EMAIL PROTECTED] wrote:
> Dear All
> I have a questions about transparency.
> I set the transparency of some nodes by these commands:
>
> osg::StateSet* state = MyNode->getOrCreateStateSet();
> osg::ref_ptr<osg::Material> mat = new osg::Material;
> mat->setAlpha( osg::Material::FRONT_AND_BACK, trasparence );//Potrei
> risparmiarlo(tanto ci pensa il trasformer)
> state->setMode( GL_BLEND, osg::StateAttribute::OVERRIDE |
> osg::StateAttribute::ON );
> state->setMode( GL_CULL_FACE, osg::StateAttribute::OVERRIDE |
> osg::StateAttribute::ON );
> state->setAttribute( mat.get() );
>
> What happen is that I can see the transparency if I overlap the drawable with
> some objects...but overlapping the same drawable with other objects it
> doesn’t work...it seems that there is an order...does it depend by the Bin
> concept?...how can avoid it?
I'm not sure if this will help, but I've always had a call to:
stat->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
...when I use transparency in any form. I'm still a bit of a new, so I
can't say exactly even what it does, but it certainly may help get the
results you want; at least worth a try. :)
>
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