OpenSceneGraph/include/osg/OccluderNode
2002-07-16 20:07:32 +00:00

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//C++ header - Open Scene Graph - Copyright (C) 1998-2002 Robert Osfield
//Distributed under the terms of the GNU Library General Public License (LGPL)
//as published by the Free Software Foundation.
#ifndef OSG_OCCLUDERNODE
#define OSG_OCCLUDERNODE 1
#include <osg/Group>
#include <osg/ConvexPlanerOccluder>
namespace osg {
/** OccluderNode is a Group node which allows OccluderNodeing between children.
Typical uses would be for objects which might need to be rendered
differently at different times, for instance a OccluderNode could be used
to represent the different states of a traffic light.
*/
class SG_EXPORT OccluderNode : public Group
{
public :
OccluderNode();
/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
OccluderNode(const OccluderNode&,const CopyOp& copyop=CopyOp::SHALLOW_COPY);
META_Node(osg, OccluderNode);
/** Attach a ConvexPlanerOccluder to an OccluderNode.*/
void setOccluder(ConvexPlanerOccluder* occluder) { _occluder = occluder; }
/** Get the ConvexPlanerOccluder* attached to a OccluderNode. */
ConvexPlanerOccluder* getOccluder() { return _occluder.get(); }
/** Get the const ConvexPlanerOccluder* attached to a OccluderNode.*/
const ConvexPlanerOccluder* getOccluder() const { return _occluder.get(); }
protected :
virtual ~OccluderNode() {}
/** Override's Group's computeBound.*/
virtual const bool computeBound() const;
ref_ptr<ConvexPlanerOccluder> _occluder;
};
}
#endif