Transform GfxBody::getBoneWorldTransform (unsigned n)
{
    checkBone(n);
    Ogre::Bone *bone = skeleton->getBone(n);
    Transform t(from_ogre(bone->_getDerivedPosition()), from_ogre(bone->_getDerivedOrientation()), from_ogre(bone->_getDerivedScale()));
    updateWorldTransform();
    return worldTransform * t;
}
Vector3 GfxBody::getBoneWorldScale (unsigned n)
{
    checkBone(n);
    Ogre::Bone *bone = skeleton->getBone(n);
    return from_ogre(bone->_getDerivedScale());
}