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 */ 00029 #include "claw/tween/tweener_group.hpp" 00030 00031 /*----------------------------------------------------------------------------*/ 00036 void claw::tween::tweener_group::insert( const tweener& t ) 00037 { 00038 m_tweeners.push_back(t); 00039 00040 m_tweeners.back().update(0); // force the initial position 00041 00042 if ( m_tweeners.back().is_finished() ) 00043 m_tweeners.pop_back(); 00044 } // tweener_group::insert() 00045 00046 /*----------------------------------------------------------------------------*/ 00050 void claw::tween::tweener_group::clear() 00051 { 00052 m_tweeners.clear(); 00053 } // tweener_group::clear() 00054 00055 /*----------------------------------------------------------------------------*/ 00059 claw::tween::tweener_group* claw::tween::tweener_group::do_clone() const 00060 { 00061 return new tweener_group(*this); 00062 } // tweener_group::do_clone() 00063 00064 /*----------------------------------------------------------------------------*/ 00068 bool claw::tween::tweener_group::do_is_finished() const 00069 { 00070 return m_tweeners.empty(); 00071 } // tweener_group::do_is_finished() 00072 00073 /*----------------------------------------------------------------------------*/ 00078 double claw::tween::tweener_group::do_update( double dt ) 00079 { 00080 typedef std::list<tweener>::iterator iterator_type; 00081 double result(dt); 00082 00083 iterator_type it = m_tweeners.begin(); 00084 00085 while ( it != m_tweeners.end() ) 00086 { 00087 const double r = it->update(dt); 00088 result = std::min(result, r); 00089 00090 if ( it->is_finished() ) 00091 { 00092 const iterator_type tmp(it); 00093 ++it; 00094 m_tweeners.erase(tmp); 00095 } 00096 else 00097 ++it; 00098 } 00099 00100 return result; 00101 } // tweener_group::do_update()