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) 2000-2009 Torus Knot Software Ltd
00008 
00009 Permission is hereby granted, free of charge, to any person obtaining a copy
00010 of this software and associated documentation files (the "Software"), to deal
00011 in the Software without restriction, including without limitation the rights
00012 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00013 copies of the Software, and to permit persons to whom the Software is
00014 furnished to do so, subject to the following conditions:
00015 
00016 The above copyright notice and this permission notice shall be included in
00017 all copies or substantial portions of the Software.
00018 
00019 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00020 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00021 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00022 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00023 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00024 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00025 THE SOFTWARE.
00026 -----------------------------------------------------------------------------
00027 */
00028 // Original free version by:
00029 // Magic Software, Inc.
00030 // http://www.geometrictools.com/
00031 // Copyright (c) 2000, All Rights Reserved
00032 
00033 #ifndef __Plane_H__
00034 #define __Plane_H__
00035 
00036 #include "OgrePrerequisites.h"
00037 
00038 #include "OgreVector3.h"
00039 
00040 namespace Ogre {
00041 
00058     class _OgreExport Plane
00059     {
00060     public:
00063         Plane ();
00064         Plane (const Plane& rhs);
00066         Plane (const Vector3& rkNormal, Real fConstant);
00068         Plane (Real a, Real b, Real c, Real d);
00069         Plane (const Vector3& rkNormal, const Vector3& rkPoint);
00070         Plane (const Vector3& rkPoint0, const Vector3& rkPoint1,
00071             const Vector3& rkPoint2);
00072 
00077         enum Side
00078         {
00079             NO_SIDE,
00080             POSITIVE_SIDE,
00081             NEGATIVE_SIDE,
00082             BOTH_SIDE
00083         };
00084 
00085         Side getSide (const Vector3& rkPoint) const;
00086 
00091         Side getSide (const AxisAlignedBox& rkBox) const;
00092 
00102         Side getSide (const Vector3& centre, const Vector3& halfSize) const;
00103 
00112         Real getDistance (const Vector3& rkPoint) const;
00113 
00115         void redefine(const Vector3& rkPoint0, const Vector3& rkPoint1,
00116             const Vector3& rkPoint2);
00117 
00119         void redefine(const Vector3& rkNormal, const Vector3& rkPoint);
00120 
00128         Vector3 projectVector(const Vector3& v) const;
00129 
00139         Real normalise(void);
00140 
00141         Vector3 normal;
00142         Real d;
00143 
00145         bool operator==(const Plane& rhs) const
00146         {
00147             return (rhs.d == d && rhs.normal == normal);
00148         }
00149         bool operator!=(const Plane& rhs) const
00150         {
00151             return (rhs.d != d && rhs.normal != normal);
00152         }
00153 
00154         _OgreExport friend std::ostream& operator<< (std::ostream& o, const Plane& p);
00155     };
00156 
00157     typedef vector<Plane>::type PlaneList;
00161 } // namespace Ogre
00162 
00163 #endif

Copyright © 2008 Torus Knot Software Ltd
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Last modified Thu Dec 31 16:27:12 2009