56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
/* libsegl - Sebas Extended GL Library
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* Collection of Opengl/3D-Math helpers
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*
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* Copyright (c) 2008 by Sebastian Lohff, seba@seba-geek.de
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* http://www.seba-geek.de
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __CATMULLROMSPLINE_H
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#define __CATMULLROMSPLINE_H
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#include <iostream>
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#include <SDL.h>
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#include <SDL_opengl.h>
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#include "matrix.h"
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#include "punkt2d.h"
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#include "punkt3d.h"
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namespace segl {
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class CatmullRomSpline {
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private:
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Matrix *cr;
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float s;
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void makeMatrix();
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public:
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CatmullRomSpline(float _s=0.5f);
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Matrix getPosition(float u, Matrix &controlpoints);
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Punkt3D getPosition(float u, Punkt3D a, Punkt3D b, Punkt3D c, Punkt3D d);
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Punkt2D getPosition(float u, Punkt2D a, Punkt2D b, Punkt2D c, Punkt2D d);
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void setS(float _s);
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~CatmullRomSpline();
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};
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} // namespace segl
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#endif
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