Main Page | Namespace List | Class Hierarchy | Alphabetical List | Class List | File List | Namespace Members | Class Members | Related Pages

plane.h

Go to the documentation of this file.
00001 /***************************************************************************
00002                             plane.h  -  3D plane
00003                              -------------------
00004     begin                : Wed Sep 18 2002
00005     copyright            : (C) 2002 by Reality Rift Studios
00006     email                : mattias@realityrift.com
00007  ***************************************************************************
00008 
00009  The contents of this file are subject to the Mozilla Public License Version
00010  1.1 (the "License"); you may not use this file except in compliance with
00011  the License. You may obtain a copy of the License at 
00012  http://www.mozilla.org/MPL/
00013 
00014  Software distributed under the License is distributed on an "AS IS" basis,
00015  WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00016  for the specific language governing rights and limitations under the
00017  License.
00018 
00019  The Original Code is the NeoEngine, plane.h
00020 
00021  The Initial Developer of the Original Code is Mattias Jansson.
00022  Portions created by Mattias Jansson are Copyright (C) 2002
00023  Reality Rift Studios. All Rights Reserved.
00024 
00025  ***************************************************************************/
00026 
00027 #ifndef __NEPLANE_H
00028 #define __NEPLANE_H
00029 
00030 
00031 #include "base.h"
00032 #include "nemath.h"
00033 
00034 
00041 namespace NeoEngine
00042 {
00043 
00044 
00051 class NEOENGINE_API Plane
00052 {
00053     public:
00054 
00056         Vector3d                      m_kNormal;
00057 
00059         float                           m_fDistance;
00060 
00061 
00062 
00066                                         Plane() : m_kNormal( 0.0f, 0.0f, 0.0f ), m_fDistance( 0.0f ) {}
00067 
00072                                         Plane( const Plane &rkPlane ) : m_kNormal( rkPlane.m_kNormal ), m_fDistance( rkPlane.m_fDistance ) {}
00073 
00079                                         Plane( const Vector3d &rkNormal, float fDistance ) : m_kNormal( rkNormal ), m_fDistance( fDistance ) {}
00080 
00087                                         Plane( const Vector3d &rkPointOne, const Vector3d &rkPointTwo, const Vector3d &rkPointThree ) : m_kNormal(), m_fDistance( 0.0f ) { m_kNormal = ( rkPointTwo - rkPointOne ) % ( rkPointThree - rkPointOne ); m_kNormal.Normalize(); m_fDistance = -( rkPointOne * m_kNormal ); }
00088 
00094                                         Plane( const Vector3d &rkNormal, const Vector3d &rkPoint ) : m_kNormal( rkNormal ), m_fDistance( -( rkPoint * m_kNormal ) ) {}
00095 
00101         inline void                     Set( const Vector3d &rkNormal, float fDistance ) { m_kNormal = rkNormal, m_fDistance = fDistance; }
00102 
00109         inline void                     Set( const Vector3d &rkPointOne, const Vector3d &rkPointTwo, const Vector3d &rkPointThree ) { m_kNormal = ( rkPointTwo - rkPointOne ) % ( rkPointThree - rkPointOne ); m_kNormal.Normalize(); m_fDistance = -( rkPointOne * m_kNormal ); }
00110 
00116         inline void                     Set( const Vector3d &rkNormal, const Vector3d &rkPoint ) { m_kNormal = rkNormal; m_fDistance = -( rkPoint * m_kNormal ); }
00117                                         
00122         inline float                    Distance( const Vector3d &rkPoint ) const { return( m_kNormal * rkPoint + m_fDistance ); }
00123 
00127         inline Vector3d               GetPointOnPlane() const { return( m_kNormal * -m_fDistance ); }
00128 
00133         inline bool                     operator == ( const Plane &rkPlane ) const { return( ( m_kNormal == rkPlane.m_kNormal ) && ( m_fDistance == rkPlane.m_fDistance ) ); }
00134 };
00135 
00136 
00137 }; // namespace NeoEngine
00138 
00139 
00140 
00141 #endif  // __NEPLANE_H

Generated on Wed Jan 21 14:21:07 2004 for NeoEngine by doxygen 1.3.5