openscenegraph
OccluderNode
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1/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
2 *
3 * This library is open source and may be redistributed and/or modified under
4 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
5 * (at your option) any later version. The full license is in LICENSE file
6 * included with this distribution, and on the openscenegraph.org website.
7 *
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * OpenSceneGraph Public License for more details.
12*/
13
14#ifndef OSG_OCCLUDERNODE
15#define OSG_OCCLUDERNODE 1
16
17#include <osg/Group>
18#include <osg/ConvexPlanarOccluder>
19
20namespace osg {
21
22/**
23 * OccluderNode is a Group node which provides hooks for adding
24 * ConvexPlanarOccluders to the scene.
25 */
26class OSG_EXPORT OccluderNode : public Group
27{
28 public :
29
30 OccluderNode();
31
32 /** Copy constructor using CopyOp to manage deep vs shallow copy.*/
33 OccluderNode(const OccluderNode&,const CopyOp& copyop=CopyOp::SHALLOW_COPY);
34
35 META_Node(osg, OccluderNode);
36
37
38 /** Attach a ConvexPlanarOccluder to an OccluderNode.*/
39 void setOccluder(ConvexPlanarOccluder* occluder) { _occluder = occluder; }
40
41 /** Get the ConvexPlanarOccluder* attached to a OccluderNode. */
42 ConvexPlanarOccluder* getOccluder() { return _occluder.get(); }
43
44 /** Get the const ConvexPlanarOccluder* attached to a OccluderNode.*/
45 const ConvexPlanarOccluder* getOccluder() const { return _occluder.get(); }
46
47 /** Overrides Group's computeBound.*/
48 virtual BoundingSphere computeBound() const;
49
50 protected :
51
52 virtual ~OccluderNode() {}
53
54 ref_ptr<ConvexPlanarOccluder> _occluder;
55};
56
57}
58
59#endif