RotationTimeTrack.h

/***************************************************************************
 *   This file is part of OpenCAL: Open Computer Animation Library         *
 *   I created OpenCAL as my master's thesis Computer Science (multimedia) *
 *   at the tUL university in Diepenbeek, Belgium                          *
 *                                                                         *
 *   Copyright (C) 2003-2004 by Jeroen Dierckx                             *
 *   jeroen.dierckx@student.luc.ac.be                                      *
 *                                                                         *
 ***************************************************************************/

#ifndef OPENCAL_ROTATIONTIMETRACK_H
#define OPENCAL_ROTATIONTIMETRACK_H

// Includes
#include <OpenCAL/global.h>
#include <OpenCAL/TimeTrack.h>

#include <OpenCAL/Quaternion.h>
using OpenCAL::Utils::Quaternion;

#include <map>
using std::map;


namespace OpenCAL
{
    // Forward declarations
    namespace Utils { class Vector3; }
    using Utils::Vector3;

    class OPENCAL_API RotationTimeTrack: public TimeTrack
    {
    protected:
        // Typedefs
        typedef map<float, Quaternion> KeyFrameMap;

        // Member variables
        Quaternion *m_rotation;
        KeyFrameMap m_keyFrames;

    public:
        // Constructors and destructor
        RotationTimeTrack(KeyFrameSystem *keyFrameSystem, Quaternion *rotation);
        virtual ~RotationTimeTrack();

        // Other functions
        void addKeyFrame(float time, const Quaternion &value);
        void addKeyFrame(float time, const Vector3 &axis, float angle)
            { addKeyFrame(time, Quaternion::createFromAxisAngle(axis, angle)); }
        void deleteKeyFrame(float time);
        void apply();
    };
}

#endif // OPENCAL_ROTATIONTIMETRACK_H

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