// Easing functions for property interpolation.
//
// Copyright (C) 2013  Thomas Geymayer <tomgey@gmail.com>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA

#ifndef SG_EASING_HXX_
#define SG_EASING_HXX_

namespace simgear
{

  typedef double (*easing_func_t)(double);
  struct EasingMapEntry { const char* name; easing_func_t func; };

  /**
   * List of all available easing functions and their names.
   */
  extern const EasingMapEntry easing_functions[];

} // namespace simgear

#endif /* SG_EASING_HXX_ */
