void CVRCullVisitor::apply(osg::LightSource& node)
{
// push the node's state.
StateSet* node_state = node.getStateSet();
if(node_state)
pushStateSet(node_state);
StateAttribute* light = node.getLight();
if(light)
{
if(node.getReferenceFrame() == osg::LightSource::RELATIVE_RF)
{
RefMatrix& matrix = *getModelViewMatrix();
addPositionedAttribute(&matrix,light);
}
else
{
// relative to absolute.
addPositionedAttribute(0,light);
}
}
handle_cull_callbacks_and_traverse(node);
// pop the node's state off the geostate stack.
if(node_state)
popStateSet();
}
void apply(osg::LightSource& lightsource)
{
if (lightsource.getLight())
{
if (lightsource.getReferenceFrame()==osg::LightSource::RELATIVE_RF)
{
apply( osg::Matrix::identity(), lightsource.getLight());
}
else
{
apply(osg::computeEyeToLocal(_viewMatrix,_nodePath), lightsource.getLight());
}
}
traverse(lightsource);
}