# 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
This work is licensed under a Creative Commons Attribution-ShareAlike 2.5 License.
Last modified Sun Jul 26 11:32:19 2009