HeadTracking.h

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#pragma once
#ifndef __HEAD_TRACKING_H
#define __HEAD_TRACKING_H

#include <osg\Vec4>
#include <vrecko\Ability.h>

#include "htUtils.h"

namespace ht
{

    class HeadTracking: public vrecko::Ability
    {
    public:
        HeadTracking();
        virtual ~HeadTracking();

        virtual bool initialize(XERCES_CPP_NAMESPACE_QUALIFIER DOMNode *parameters = NULL);

        virtual void update();

        DECLARE_INPUT(Transformation, vrecko::MessageSensorTransformation);

    protected:
        // Scene parameters
        float       unit;

        // Screen parameters
        ht::Screen  screen;
        osg::Vec3   s_corner, s_width, s_height;

        // Sensor parameters
        osg::Vec3   head_pos;
        osg::Quat   head_orientation;
        int         head_sensor_number;
        osg::Vec3   left_eye_off;
        osg::Vec3   right_eye_off;

        // Optitrack parameters
        float       optitrack_scale;
        osg::Vec3   optitrack_origin_position;
        osg::Vec3   optitrack_translate_mapping;
        float       head_tracking_scale;
        osg::Vec3   head_tracking_origin_position;
        osg::Vec3   head_tracking_translate_mapping;

        // Other variables
        osg::Vec4   last_avatar_pos;

        DECLARE_OUTPUT(MoveAvatar, vrecko::MessageVec3);
    };

}

#endif  // __HEAD_TRACKING_H