1 // Easing functions for property interpolation.
3 // Copyright (C) 2013 Thomas Geymayer <tomgey@gmail.com>
5 // This library is free software; you can redistribute it and/or
6 // modify it under the terms of the GNU Library General Public
7 // License as published by the Free Software Foundation; either
8 // version 2 of the License, or (at your option) any later version.
10 // This library is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 // Library General Public License for more details.
15 // You should have received a copy of the GNU Library General Public
16 // License along with this library; if not, write to the Free Software
17 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 #ifndef SG_EASING_HXX_
20 #define SG_EASING_HXX_
25 typedef double (*easing_func_t)(double);
26 struct EasingMapEntry { const char* name; easing_func_t func; };
29 * List of all available easing functions and their names.
31 extern const EasingMapEntry easing_functions[];
33 } // namespace simgear
35 #endif /* SG_EASING_HXX_ */