00001 /**************************************************************************** 00002 00003 This file is part of the GLC-lib library. 00004 Copyright (C) 2005-2008 Laurent Ribon (laumaya@users.sourceforge.net) 00005 Version 1.2.0, packaged on September 2009. 00006 00007 http://glc-lib.sourceforge.net 00008 00009 GLC-lib is free software; you can redistribute it and/or modify 00010 it under the terms of the GNU General Public License as published by 00011 the Free Software Foundation; either version 2 of the License, or 00012 (at your option) any later version. 00013 00014 GLC-lib is distributed in the hope that it will be useful, 00015 but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00017 GNU General Public License for more details. 00018 00019 You should have received a copy of the GNU General Public License 00020 along with GLC-lib; if not, write to the Free Software 00021 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00022 00023 *****************************************************************************/ 00024 00026 00027 #ifndef GLC_BOUNDINGBOX_ 00028 #define GLC_BOUNDINGBOX_ 00029 00030 #include "maths/glc_vector4d.h" 00031 #include "maths/glc_utils_maths.h" 00032 #include "maths/glc_matrix4x4.h" 00033 00036 00041 00042 00043 class GLC_BoundingBox 00044 { 00046 00048 00049 public: 00051 GLC_BoundingBox(); 00052 00054 GLC_BoundingBox(const GLC_BoundingBox& boundingBox); 00055 00057 GLC_BoundingBox(const GLC_Point4d& lower, const GLC_Point4d& upper); 00058 00060 00061 00063 00064 00066 bool isEmpty(void) const 00067 { 00068 return m_IsEmpty; 00069 } 00070 00072 bool intersect(const GLC_Point4d& point) const; 00073 00075 bool intersectBoundingSphere(const GLC_Point4d&) const; 00076 00078 //double maxDistance(const GLC_Vector4d& point) const; 00079 00081 GLC_Point4d lowerCorner(void) const; 00082 00084 GLC_Point4d upperCorner(void) const; 00085 00087 GLC_Point4d center(void) const; 00088 00090 inline double boundingSphereRadius() const 00091 {return GLC_Vector4d(m_Lower - m_Upper).norm() / 2.0;} 00092 00094 00096 00098 00099 public: 00101 GLC_BoundingBox& combine(const GLC_Point4d& point); 00102 00104 GLC_BoundingBox& combine(const GLC_Point3d& point); 00105 00107 GLC_BoundingBox& combine(const GLC_Point3df& point); 00108 00110 GLC_BoundingBox& combine(const GLC_BoundingBox& box); 00111 00113 GLC_BoundingBox& transform(const GLC_Matrix4x4& matrix); 00114 00115 00117 00118 00120 // Private members 00122 private: 00123 GLC_Point4d m_Lower; 00124 GLC_Point4d m_Upper; 00125 bool m_IsEmpty; 00126 00127 }; 00128 #endif /*GLC_BOUNDINGBOX_*/