libsegl/catmullromspline.h

56 lines
1.5 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 __CATMULLROMSPLINE_H
#define __CATMULLROMSPLINE_H
#include <iostream>
#include <SDL.h>
#include <SDL_opengl.h>
#include "matrix.h"
#include "punkt2d.h"
#include "punkt3d.h"
namespace segl {
class CatmullRomSpline {
private:
Matrix *cr;
float s;
void makeMatrix();
public:
CatmullRomSpline(float _s=0.5f);
Matrix getPosition(float u, Matrix &controlpoints);
Punkt3D getPosition(float u, Punkt3D a, Punkt3D b, Punkt3D c, Punkt3D d);
Punkt2D getPosition(float u, Punkt2D a, Punkt2D b, Punkt2D c, Punkt2D d);
void setS(float _s);
~CatmullRomSpline();
};
} // namespace segl
#endif