Claw
1.7.3
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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) 2005-2011 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 contact: julien.jorge@gamned.org 00023 */ 00030 #ifndef __CLAW_TWEEN_SINGLE_TWEENER_HPP__ 00031 #define __CLAW_TWEEN_SINGLE_TWEENER_HPP__ 00032 00033 #include <claw/tween/base_tweener.hpp> 00034 #include <claw/tween/easing/easing_none.hpp> 00035 00036 #include <boost/function.hpp> 00037 00038 namespace claw 00039 { 00040 namespace tween 00041 { 00048 class single_tweener: 00049 public base_tweener 00050 { 00051 public: 00054 typedef boost::function<void (double)> update_function; 00055 00057 typedef boost::function<double (double)> easing_function; 00058 00059 public: 00060 single_tweener(); 00061 single_tweener 00062 ( double init, double end, double duration, update_function callback, 00063 easing_function e ); 00064 single_tweener 00065 ( double& val, double end, double duration, easing_function e ); 00066 00067 double get_init() const; 00068 void set_init( double v ); 00069 00070 double get_end() const; 00071 void set_end( double v ); 00072 00073 double get_duration() const; 00074 void set_duration( double v ); 00075 00076 void set_callback( update_function f ); 00077 void set_easing( easing_function f ); 00078 00079 double get_value() const; 00080 00081 private: 00082 single_tweener* do_clone() const; 00083 bool do_is_finished() const; 00084 double do_update( double dt ); 00085 00086 private: 00088 double m_init; 00089 00091 double m_end; 00092 00094 double m_date; 00095 00097 double m_duration; 00098 00100 update_function m_callback; 00101 00103 easing_function m_easing; 00104 00105 }; // class single_tweener 00106 00107 } // namespace tween 00108 } // namespace claw 00109 00110 #endif // __CLAW_TWEEN_SINGLE_TWEENER_HPP__