libsegl/emath.h

45 lines
1.3 KiB
C++

/* libsegl - Sebas Extended GL Library
* Collection of Opengl/3D-Math helpers
*
* Copyright (c) 2008 by Sebastian Lohff, seba@seba-geek.de
* http://www.seba-geek.de
*
* 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 __EMATH_H
#define __EMATH_H
#include <iostream>
#include <cmath>
#include <SDL_opengl.h>
namespace segl {
float deg2rad(float deg);
float rad2deg(float rad);
// *grml* scheiss cmath-sinus
// diese beiden sinusfunktionenrechnen erst deg2rad
// wenn es sich nicht um 0, 90, 180, 270 oder ein vielfaches handelt
float ssin(float);
float scos(float);
} // namespace segl
#endif