FGFS-4.1/OpenSceneGraph
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Refined the CollectOccluderVisitor so that it checks the subgraph below

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a node contains occluders before traversing.
This commit is contained in:
Robert Osfield
2002-06-14 13:49:59 +00:00
parent c71bf35152
commit 73ec80843f
3 changed files with 80 additions and 6 deletions
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19
include/osg/CollectOccludersVisitor
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@@ -50,6 +50,25 @@ class SG_EXPORT CollectOccludersVisitor : public osg::NodeVisitor, public osg::C
bool _createDrawables;
ShadowVolumeOccluderList _collectedOccluderList;
inline void handle_callbacks_and_traverse(osg::Node& node)
{
osg::NodeCallback* callback = node.getAppCallback();
if (callback) (*callback)(&node,this);
else if (node.getNumChildrenRequiringAppTraversal()>0) traverse(node);
}
inline void handle_cull_callbacks_and_traverse(osg::Node& node)
{
/*osg::NodeCallback* callback = node.getCullCallback();
if (callback) (*callback)(&node,this);
else*/ if (node.getNumChildrenWithOccluderNodes()>0) traverse(node);
}
inline void handle_cull_callbacks_and_accept(osg::Node& node,osg::Node* acceptNode)
{
/*osg::NodeCallback* callback = node.getCullCallback();
if (callback) (*callback)(&node,this);
else*/ if (node.getNumChildrenWithOccluderNodes()>0) acceptNode->accept(*this);
}
};
}