void CVRCullVisitor::PreCullVisitor::apply(osg::Group& group)
{
bool setMask = false;
for(int i = 0; i < group.getNumChildren(); i++)
{
_setMask = false;
group.getChild(i)->accept(*this);
if(_setMask)
{
setMask = true;
}
}
if(group.getNodeMask() & FIRST_CULL_STATUS)
{
_setMask = true;
}
else if(setMask)
{
//std::cerr << "Pulling up node mask." << std::endl;
_setMask = true;
group.setNodeMask(group.getNodeMask() | FIRST_CULL_STATUS);
}
}
void CVRCullVisitor::PostCullVisitor::apply(osg::Group& group)
{
group.setNodeMask(group.getNodeMask() & ~(FIRST_CULL_STATUS));
traverse(group);
}