WFMath
1.0.1
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00001 // segment_funcs.h (line segment implementation) 00002 // 00003 // The WorldForge Project 00004 // Copyright (C) 2000, 2001 The WorldForge Project 00005 // 00006 // This program is free software; you can redistribute it and/or modify 00007 // it under the terms of the GNU General Public License as published by 00008 // the Free Software Foundation; either version 2 of the License, or 00009 // (at your option) any later version. 00010 // 00011 // This program is distributed in the hope that it will be useful, 00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 // GNU General Public License for more details. 00015 // 00016 // You should have received a copy of the GNU General Public License 00017 // along with this program; if not, write to the Free Software 00018 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 00019 // 00020 // For information about WorldForge and its authors, please contact 00021 // the Worldforge Web Site at http://www.worldforge.org. 00022 // 00023 00024 // Author: Ron Steinke 00025 00026 #ifndef WFMATH_SEGMENT_FUNCS_H 00027 #define WFMATH_SEGMENT_FUNCS_H 00028 00029 #include <wfmath/segment.h> 00030 00031 #include <cassert> 00032 00033 namespace WFMath { 00034 00035 template<int dim> 00036 inline Segment<dim>& Segment<dim>::moveCornerTo(const Point<dim>& p, size_t corner) 00037 { 00038 assert(corner == 0 || corner == 1); 00039 00040 Vector<dim> diff = m_p2 - m_p1; 00041 00042 if(!corner) { 00043 m_p1 = p; 00044 m_p2 = p + diff; 00045 } 00046 else { 00047 m_p2 = p; 00048 m_p1 = p - diff; 00049 } 00050 00051 return *this; 00052 } 00053 00054 template<int dim> 00055 inline Segment<dim>& Segment<dim>::rotateCorner(const RotMatrix<dim>& m, size_t corner) 00056 { 00057 assert(corner == 0 || corner == 1); 00058 00059 if(corner) 00060 m_p1.rotate(m, m_p2); 00061 else 00062 m_p2.rotate(m, m_p1); 00063 00064 return *this; 00065 } 00066 00067 template<> 00068 inline Segment<3>& Segment<3>::rotateCorner(const Quaternion& q, size_t corner) 00069 { 00070 assert(corner == 0 || corner == 1); 00071 00072 if(corner) 00073 m_p1.rotate(q, m_p2); 00074 else 00075 m_p2.rotate(q, m_p1); 00076 00077 return *this; 00078 } 00079 00080 } // namespace WFMath 00081 00082 #endif // WFMATH_SEGMENT_FUNCS_H