81 lines
2.0 KiB
C++
81 lines
2.0 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 __QUATERNION_H
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#define __QUATERNION_H
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#include <iostream>
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#include <cmath>
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#include <SDL_opengl.h>
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// #include "rotationsmatrix.h"
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#include "punkt3d.h"
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#include "emath.h"
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namespace segl {
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class Quaternion {
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private:
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float x, y, z, w;
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public:
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Quaternion();
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Quaternion(float _x, float _y, float _z, float _w);
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Quaternion(float deg, Punkt3D p);
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Quaternion(float _x, float _y, float _z);
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void set(float rotx, float roty, float rotz);
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void set(float deg, Punkt3D axis);
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void normalize();
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Quaternion getConjugate();
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// Rotationsmatrix getRotMat();
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Punkt3D rotP3D(const Punkt3D &p);
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Quaternion operator*(const Quaternion&);
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};
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// class Quaternion {
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// private:
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// float w;
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// float x,y,z;
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// public:
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// Quaternion();
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// void createFromRotation(float, float, float, float);
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//
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//
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// void createGlMatrix(GLfloat*);
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// Punkt3D getDirectionVector();
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// Punkt3D getDirectionVector(GLfloat*);
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//
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// Quaternion operator*(const Quaternion&);
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//
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//
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// };
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//
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// void glMultMatrixf(Quaternion);
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} // namespace segl
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#endif
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