OgreRotationalSpline.h

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/*
-----------------------------------------------------------------------------
This source file is part of OGRE
    (Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org/

Copyright (c) 2000-2012 Torus Knot Software Ltd

Permission is hereby granted, free of charge, to any person obtaining a copy
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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*/
#ifndef __RotationalSpline_H__
#define __RotationalSpline_H__

#include "OgrePrerequisites.h"
#include "OgreQuaternion.h"

namespace Ogre {

    class _OgreExport RotationalSpline
    {
    public:
        RotationalSpline();
        ~RotationalSpline();

        void addPoint(const Quaternion& p);

        const Quaternion& getPoint(unsigned short index) const;

        unsigned short getNumPoints(void) const;

        void clear(void);

        void updatePoint(unsigned short index, const Quaternion& value);

        Quaternion interpolate(Real t, bool useShortestPath=true);

        Quaternion interpolate(unsigned int fromIndex, Real t, bool useShortestPath=true);

        void setAutoCalculate(bool autoCalc);

        void recalcTangents(void);

    protected:

        bool mAutoCalc;



        vector<Quaternion>::type mPoints;
        vector<Quaternion>::type mTangents;

    };

}


#endif