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# OgrePlane.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 Also see acknowledgements in Readme.html
    00009
    00010 This program is free software; you can redistribute it and/or modify it under
    00011 the terms of the GNU Lesser General Public License as published by the Free Software
    00012 Foundation; either version 2 of the License, or (at your option) any later
    00013 version.
    00014
    00015 This program is distributed in the hope that it will be useful, but WITHOUT
    00016 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
    00017 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
    00018
    00019 You should have received a copy of the GNU Lesser General Public License along with
    00020 this program; if not, write to the Free Software Foundation, Inc., 59 Temple
    00021 Place - Suite 330, Boston, MA 02111-1307, USA, or go to
    00022 http://www.gnu.org/copyleft/lesser.txt.
    00023
    00024 You may alternatively use this source under the terms of a specific version of
    00025 the OGRE Unrestricted License provided you have obtained such a license from
    00026 Torus Knot Software Ltd.
    00027 -----------------------------------------------------------------------------
    00028 */
    00029 // Original free version by:
    00030 // Magic Software, Inc.
    00031 // http://www.geometrictools.com/
    00032 // Copyright (c) 2000, All Rights Reserved
    00033
    00034 #ifndef __Plane_H__
    00035 #define __Plane_H__
    00036
    00037 #include "OgrePrerequisites.h"
    00038
    00039 #include "OgreVector3.h"
    00040
    00041 namespace Ogre {
    00042
    00053     class _OgreExport Plane
    00054     {
    00055     public:
    00058         Plane ();
    00059         Plane (const Plane& rhs);
    00061         Plane (const Vector3& rkNormal, Real fConstant);
    00062         Plane (const Vector3& rkNormal, const Vector3& rkPoint);
    00063         Plane (const Vector3& rkPoint0, const Vector3& rkPoint1,
    00064             const Vector3& rkPoint2);
    00065
    00070         enum Side
    00071         {
    00072             NO_SIDE,
    00073             POSITIVE_SIDE,
    00074             NEGATIVE_SIDE,
    00075             BOTH_SIDE
    00076         };
    00077
    00078         Side getSide (const Vector3& rkPoint) const;
    00079
    00084         Side getSide (const AxisAlignedBox& rkBox) const;
    00085
    00095         Side getSide (const Vector3& centre, const Vector3& halfSize) const;
    00096
    00105         Real getDistance (const Vector3& rkPoint) const;
    00106
    00108         void redefine(const Vector3& rkPoint0, const Vector3& rkPoint1,
    00109             const Vector3& rkPoint2);
    00110
    00112         void redefine(const Vector3& rkNormal, const Vector3& rkPoint);
    00113
    00121         Vector3 projectVector(const Vector3& v) const;
    00122
    00132         Real normalise(void);
    00133
    00134         Vector3 normal;
    00135         Real d;
    00136
    00138         bool operator==(const Plane& rhs) const
    00139         {
    00140             return (rhs.d == d && rhs.normal == normal);
    00141         }
    00142         bool operator!=(const Plane& rhs) const
    00143         {
    00144             return (rhs.d != d && rhs.normal != normal);
    00145         }
    00146
    00147         _OgreExport friend std::ostream& operator<< (std::ostream& o, const Plane& p);
    00148     };
    00149
    00150     typedef std::vector<Plane> PlaneList;
    00151
    00152 } // namespace Ogre
    00153
    00154 #endif

Copyright © 2000-2005 by The OGRE Team
This work is licensed under a Creative Commons Attribution-ShareAlike 2.5 License.
Last modified Sun Sep 30 10:50:57 2007