glc_octree.h

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00001 /****************************************************************************
00002 
00003  This file is part of the GLC-lib library.
00004  Copyright (C) 2005-2008 Laurent Ribon (laumaya@users.sourceforge.net)
00005  http://glc-lib.sourceforge.net
00006 
00007  GLC-lib is free software; you can redistribute it and/or modify
00008  it under the terms of the GNU Lesser General Public License as published by
00009  the Free Software Foundation; either version 3 of the License, or
00010  (at your option) any later version.
00011 
00012  GLC-lib is distributed in the hope that it will be useful,
00013  but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  GNU Lesser General Public License for more details.
00016 
00017  You should have received a copy of the GNU Lesser General Public License
00018  along with GLC-lib; if not, write to the Free Software
00019  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
00020 
00021  *****************************************************************************/
00023 
00024 #ifndef GLC_OCTREE_H_
00025 #define GLC_OCTREE_H_
00026 
00027 #include "glc_spacepartitioning.h"
00028 #include "../glc_config.h"
00029 
00030 class GLC_OctreeNode;
00031 class GLC_Material;
00032 class GLC_3DViewInstance;
00033 
00036 
00037 
00038 class GLC_LIB_EXPORT GLC_Octree : public GLC_SpacePartitioning
00039 {
00041 
00043 
00044 public:
00046         GLC_Octree(GLC_3DViewCollection*);
00047 
00049         GLC_Octree(const GLC_Octree&);
00050 
00052         virtual ~GLC_Octree();
00053 
00055 
00057 
00059 
00060 public:
00062         static int defaultDepth();
00063 
00065         virtual QList<GLC_3DViewInstance*> listOfIntersectedInstances(const GLC_BoundingBox& bBox);
00066 
00068 
00069 
00071 
00072 public:
00073 
00075         virtual void updateViewableInstances(const GLC_Frustum&);
00076 
00078         virtual void updateSpacePartitioning();
00079 
00081         virtual void clear();
00082 
00084 
00085         void setDepth(int);
00086 
00088         void createBox(GLC_Material*, GLC_3DViewCollection* pCol= NULL);
00089 
00091         static void setDefaultDepth(int depth);
00092 
00094 
00096 // Private services function
00098 private:
00099 
00101 
00102         void createBoxWithMaterial(GLC_3DViewCollection*, GLC_OctreeNode*, GLC_Material*);
00103 
00105 // Private members
00107 private:
00109         GLC_OctreeNode* m_pRootNode;
00110 
00112         int m_OctreeDepth;
00113 
00115         static int m_DefaultOctreeDepth;
00116 };
00117 
00118 #endif /* GLC_OCTREE_H_ */

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©2005-2011 Laurent Ribon