No one have any idea of how to set an alpha transparency level on a geometry
?
It has no texture, juste one color...
Thanks,
Regards,
Vincent.
2008/7/11 Vincent Bourdier <[EMAIL PROTECTED]>:
> Hi All,
>
> Just a simple question on how to set a transparency effect on a drawable.
>
> My geode contains 2 drawables, and I need only one to be transparent...
>
> I've tried :
>
> double opacity = 0.1;
>>
>> osg::StateSet* state = mygometry->getOrCreateStateSet();
>>
>> state->setMode(GL_BLEND,osg::StateAttribute::ON|osg::StateAttribute::OVERRIDE);
>> osg::Material* mat =
>> (osg::Material*)state->getAttribute(osg::StateAttribute::MATERIAL);
>> if(!mat) {
>> mat = new osg::Material;
>> mat->setAlpha(osg::Material::FRONT_AND_BACK, opacity);
>> state->setAttributeAndModes(mat,osg::StateAttribute::ON);
>> }
>>
>
> Lightning is already set to ON...
>
> But nothing appear transparent...
>
> Thanks,
>
> Regards
> Vincent.
>
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