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); 00063 Plane (Real a, Real b, Real c, Real d); 00064 Plane (const Vector3& rkNormal, const Vector3& rkPoint); 00065 Plane (const Vector3& rkPoint0, const Vector3& rkPoint1, 00066 const Vector3& rkPoint2); 00067 00072 enum Side 00073 { 00074 NO_SIDE, 00075 POSITIVE_SIDE, 00076 NEGATIVE_SIDE, 00077 BOTH_SIDE 00078 }; 00079 00080 Side getSide (const Vector3& rkPoint) const; 00081 00086 Side getSide (const AxisAlignedBox& rkBox) const; 00087 00097 Side getSide (const Vector3& centre, const Vector3& halfSize) const; 00098 00107 Real getDistance (const Vector3& rkPoint) const; 00108 00110 void redefine(const Vector3& rkPoint0, const Vector3& rkPoint1, 00111 const Vector3& rkPoint2); 00112 00114 void redefine(const Vector3& rkNormal, const Vector3& rkPoint); 00115 00123 Vector3 projectVector(const Vector3& v) const; 00124 00134 Real normalise(void); 00135 00136 Vector3 normal; 00137 Real d; 00138 00140 bool operator==(const Plane& rhs) const 00141 { 00142 return (rhs.d == d && rhs.normal == normal); 00143 } 00144 bool operator!=(const Plane& rhs) const 00145 { 00146 return (rhs.d != d && rhs.normal != normal); 00147 } 00148 00149 _OgreExport friend std::ostream& operator<< (std::ostream& o, const Plane& p); 00150 }; 00151 00152 typedef std::vector<Plane> PlaneList; 00153 00154 } // namespace Ogre 00155 00156 #endif
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Last modified Sun Sep 27 22:02:24 2009