libcruft-util/lerp.hpp

34 lines
1.1 KiB
C++

/*
* This file is part of libgim.
*
* libgim is free software: you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* libgim 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 General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with libgim. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2011 Danny Robson <danny@nerdcruft.net>
*/
#ifndef __UTIL_LERP_HPP
#define __UTIL_LERP_HPP
namespace lerp {
double sigmoid (double val);
double linear (double a, double b, double weight);
double cosine (double a, double b, double weight);
double cubic (double a, double b, double weight);
double quintic (double a, double b, double weight);
double trunc (double a, double b, double weight);
}
#endif