00001 /* 00002 CLAW - a C++ Library Absolutely Wonderful 00003 00004 CLAW is a free library without any particular aim but being useful to 00005 anyone. 00006 00007 Copyright (C) 2005-2008 Julien Jorge 00008 00009 This library is free software; you can redistribute it and/or 00010 modify it under the terms of the GNU Lesser General Public 00011 License as published by the Free Software Foundation; either 00012 version 2.1 of the License, or (at your option) any later version. 00013 00014 This library 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 GNU 00017 Lesser General Public License for more details. 00018 00019 You should have received a copy of the GNU Lesser General Public 00020 License along with this library; if not, write to the Free Software 00021 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00022 00023 contact: julien_jorge@yahoo.fr 00024 */ 00030 #ifndef __CLAW_VECTOR_2D_HPP__ 00031 #define __CLAW_VECTOR_2D_HPP__ 00032 00033 #include <claw/coordinate_2d.hpp> 00034 00035 namespace claw 00036 { 00037 namespace math 00038 { 00043 template<class T> 00044 class vector_2d : 00045 public coordinate_2d<T> 00046 { 00047 public: 00049 typedef T value_type; 00050 00052 typedef vector_2d<value_type> self_type; 00053 00055 typedef coordinate_2d<value_type> super; 00056 00057 public: 00058 vector_2d(); 00059 template<class U> vector_2d( const coordinate_2d<U>& that ); 00060 template<class U> vector_2d 00061 ( const coordinate_2d<U>& p1, const coordinate_2d<U>& p2 ); 00062 vector_2d(const value_type& _x, const value_type& _y); 00063 00064 value_type length() const; 00065 void normalize(); 00066 self_type get_orthonormal_clockwise() const; 00067 self_type get_orthonormal_anticlockwise() const; 00068 00069 value_type dot_product(const self_type& vect) const; 00070 00071 }; // class vector_2d 00072 } // namespace math 00073 } // namespace claw 00074 00075 #include <claw/impl/vector_2d.tpp> 00076 00077 #endif // __CLAW_VECTOR_2D_HPP__