[osg-users] Get all vertices of a node

Chris 'Xenon' Hanson xenon at alphapixel.com
Wed Apr 27 10:38:23 PDT 2011

On 4/27/2011 11:35 AM, Marco Bigolin wrote:
> Hi all,
> First of all, sorry for my very bad english!
> I'm on a soundimplementation for osg and FMOD  (like osgAudio).

  Are you working with osgAudio? If not, why not just enhance osgAudio to do what you want?

> It works 
> great but now i want that FMOD calculate the echo and volume depending 
> from the models (if you are in a room, there is an echo, etc.) for that i 
> need all  vertices from the nodes. (osgAudio doesn't support this feature)

  Why not just add this feature?

> My world is a .osg-File and i load it in a Node. But how can i get all 
> vertices of this world from the osg::Node?

  Mostly you would just drill down into the Geodes, find their Drawables (Geometries) and
examine their contents, which are usually the vertices and primitives made of them.

Chris 'Xenon' Hanson, omo sanza lettere. Xenon at AlphaPixel.com http://www.alphapixel.com/
  Digital Imaging. OpenGL. Scene Graphs. GIS. GPS. Training. Consulting. Contracting.
    "There is no Truth. There is only Perception. To Perceive is to Exist." - Xen

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