61 lines
2.0 KiB
C++
61 lines
2.0 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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#ifndef OSG_OCCLUDERNODE
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#define OSG_OCCLUDERNODE 1
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#include <osg/Group>
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#include <osg/ConvexPlanarOccluder>
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namespace osg {
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/** OccluderNode is a Group node which allows OccluderNodeing between children.
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Typical uses would be for objects which might need to be rendered
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differently at different times, for instance a OccluderNode could be used
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to represent the different states of a traffic light.
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*/
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class OSG_EXPORT OccluderNode : public Group
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{
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public :
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OccluderNode();
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/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
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OccluderNode(const OccluderNode&,const CopyOp& copyop=CopyOp::SHALLOW_COPY);
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META_Node(osg, OccluderNode);
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/** Attach a ConvexPlanarOccluder to an OccluderNode.*/
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void setOccluder(ConvexPlanarOccluder* occluder) { _occluder = occluder; }
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/** Get the ConvexPlanarOccluder* attached to a OccluderNode. */
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ConvexPlanarOccluder* getOccluder() { return _occluder.get(); }
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/** Get the const ConvexPlanarOccluder* attached to a OccluderNode.*/
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const ConvexPlanarOccluder* getOccluder() const { return _occluder.get(); }
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/** Overrides Group's computeBound.*/
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virtual BoundingSphere computeBound() const;
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protected :
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virtual ~OccluderNode() {}
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ref_ptr<ConvexPlanarOccluder> _occluder;
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};
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}
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#endif
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