glc_interpolator.h

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/****************************************************************************

 This file is part of the GLC-lib library.
 Copyright (C) 2005-2008 Laurent Ribon (laumaya@users.sourceforge.net)
 http://glc-lib.sourceforge.net

 GLC-lib is free software; you can redistribute it and/or modify
 it under the terms of the GNU Lesser General Public License as published by
 the Free Software Foundation; either version 3 of the License, or
 (at your option) any later version.

 GLC-lib 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 Lesser General Public License for more details.

 You should have received a copy of the GNU Lesser General Public License
 along with GLC-lib; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

*****************************************************************************/


#ifndef GLC_INTERPOLATOR_H_
#define GLC_INTERPOLATOR_H_

#include "glc_vector3d.h"
#include "glc_matrix4x4.h"

#include "../glc_config.h"

// Types d'interpolation
enum INTERPOL_TYPE
{
        INTERPOL_LINEAIRE,
        INTERPOL_ANGULAIRE,
        INTERPOL_HOMOTETIE
};



class GLC_LIB_EXPORT GLC_Interpolator
{

public:
        GLC_Interpolator();

// Set Function
public:
        void SetInterpolMat(int NbrPas, const GLC_Vector3d &VectDepart, const GLC_Vector3d &VectArrive
                , INTERPOL_TYPE Interpolation = INTERPOL_LINEAIRE);

        void SetType(INTERPOL_TYPE Interpolation);

        // Number of step
        void SetNbrPas(int NbrPas);

        void SetVecteurs(const GLC_Vector3d &VectDepart, const GLC_Vector3d &VectArrive);

// Get Function
public:
        inline GLC_Matrix4x4 GetInterpolMat(void) const
        {return m_InterpolMat;}

// Private services functions
private:
        bool CalcInterpolMat(void);

        bool CalcInterpolLineaireMat(void);

        bool CalcInterpolAngulaireMat(void);

// Membres privés
private:
        GLC_Point3d m_StartPoint;

        GLC_Point3d m_EndPoint;

        INTERPOL_TYPE m_InterpolType;

        int m_StepCount;

        GLC_Matrix4x4 m_InterpolMat;
};

#endif /*GLC_INTERPOLATOR_H_*/