OgrePolygon.h

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00001 /*
00002 -----------------------------------------------------------------------------
00003 This source file is part of OGRE
00004 (Object-oriented Graphics Rendering Engine)
00005 For the latest info, see http://www.ogre3d.org/
00006 
00007 Copyright (c) 2000-2006 Torus Knot Software Ltd
00008 Copyright (c) 2006 Matthias Fink, netAllied GmbH <matthias.fink@web.de>                             
00009 Also see acknowledgements in Readme.html
00010 
00011 This program is free software; you can redistribute it and/or modify it under
00012 the terms of the GNU Lesser General Public License as published by the Free Software
00013 Foundation; either version 2 of the License, or (at your option) any later
00014 version.
00015 
00016 This program is distributed in the hope that it will be useful, but WITHOUT
00017 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00018 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
00019 
00020 You should have received a copy of the GNU Lesser General Public License along with
00021 this program; if not, write to the Free Software Foundation, Inc., 59 Temple
00022 Place - Suite 330, Boston, MA 02111-1307, USA, or go to
00023 http://www.gnu.org/copyleft/lesser.txt.
00024 
00025 You may alternatively use this source under the terms of a specific version of
00026 the OGRE Unrestricted License provided you have obtained such a license from
00027 Torus Knot Software Ltd.
00028 -----------------------------------------------------------------------------
00029 */
00030 #ifndef __Polygon_H__
00031 #define __Polygon_H__
00032 
00033 #include "OgrePrerequisites.h"
00034 #include "OgreVector3.h"
00035 
00036 
00037 namespace Ogre
00038 {
00039 
00040 
00046     class _OgreExport Polygon
00047     {
00048 
00049     public:
00050         typedef std::vector<Vector3>                VertexList;
00051 
00052         typedef std::multimap<Vector3, Vector3>     EdgeMap;
00053         typedef std::pair< Vector3, Vector3>        Edge;
00054 
00055     protected:
00056         VertexList      mVertexList;
00057         mutable Vector3 mNormal;
00058         mutable bool    mIsNormalSet;
00061         void updateNormal(void) const;
00062 
00063 
00064     public:
00065         Polygon();
00066         ~Polygon();
00067         Polygon( const Polygon& cpy );
00068 
00072         void insertVertex(const Vector3& vdata, size_t vertexIndex);
00076         void insertVertex(const Vector3& vdata);
00077 
00080         const Vector3& getVertex(size_t vertex) const;
00081 
00085         void setVertex(const Vector3& vdata, size_t vertexIndex);
00086 
00089         void removeDuplicates(void);
00090 
00093         size_t getVertexCount(void) const;
00094 
00097         const Vector3& getNormal(void) const;
00098 
00101         void deleteVertex(size_t vertex);
00102 
00109         bool isPointInside(const Vector3& point) const;
00110 
00115         void storeEdges(EdgeMap *edgeMap) const;
00116 
00119         void reset(void);
00120 
00123         bool operator == (const Polygon& rhs) const;
00124 
00127         bool operator != (const Polygon& rhs) const
00128         { return !( *this == rhs ); }
00129 
00132         _OgreExport friend std::ostream& operator<< ( std::ostream& strm, const Polygon& poly );
00133 
00134     };
00135 
00136 }
00137 
00138 #endif

Copyright © 2008 Torus Knot Software Ltd
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Last modified Sun Sep 27 22:02:24 2009