Claw 1.7.0
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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 void set_init( double v ); 00068 void set_end( double v ); 00069 void set_duration( double v ); 00070 void set_callback( update_function f ); 00071 void set_easing( easing_function f ); 00072 00073 private: 00074 single_tweener* do_clone() const; 00075 bool do_is_finished() const; 00076 double do_update( double dt ); 00077 00078 private: 00080 double m_init; 00081 00083 double m_end; 00084 00086 double m_date; 00087 00089 double m_duration; 00090 00092 update_function m_callback; 00093 00095 easing_function m_easing; 00096 00097 }; // class single_tweener 00098 00099 } // namespace tween 00100 } // namespace claw 00101 00102 #endif // __CLAW_TWEEN_SINGLE_TWEENER_HPP__