MTControlPoint.h

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#ifndef _DA_CONTROL_POINT_H
#define _DA_CONTROL_POINT_H


#include "SimpleBox.h"


class DAGizmo : public osg::Referenced
{
public:
    DAGizmo(osg::Group *p_EOOwner, osg::Vec3 position, osg::Vec3 tangent, osg::Vec3 normal, osg::Vec3 binormal, double radius);
    ~DAGizmo();

    osg::ref_ptr <SimpleBox> getNormal() { return this->normal; }
    osg::ref_ptr <SimpleBox> getBinormal() { return this->binormal; }

    bool isVisible() { return this->visibility; }
    void hide();
    void show();

private:
    osg::Group *visualsOwner;       

    bool visibility;

    //for visualizing Frenet frame
    osg::ref_ptr <SimpleBox> tangent;
    osg::ref_ptr <SimpleBox> normal;
    osg::ref_ptr <SimpleBox> binormal;

};



class DAControlPoint : public osg::Referenced
{
public:

    DAControlPoint(DAControlPointType p_type, osg::Group *p_EOOwner, osg::Vec3 point, osg::Quat orient);
    ~DAControlPoint();

    //not used
    //create new SimpleBox, make it visible
    //void createVisualBox(osg::Vec3 size=osg::Vec3(VISUALS_WIDTH, VISUALS_WIDTH, VISUALS_WIDTH), bool movable=true, osg::Vec4 colour = osg::Vec4(1.0, 1.0, 1.0, 1.0));

    //gets
    inline osg::Vec3 getBinormal() { return this->binormal; }
    inline double getCurvature() { return this->curvature; }
    inline osg::Vec3 getNormal() { return this->normal; }
    inline osg::Quat getOrientation() { return this->orientation; }
    inline osg::Vec3 getPosition() { return this->position; }
    inline double getPriority() { return this->priority; }
    inline double getSegmentLength() { return this->segmentLength; }
    inline double getSpeed() { return this->speed; }
    inline osg::Vec3 getTangent() { return this->tangent; }
    inline double getTorsion() { return this->torsion; }
    inline double getTvalue() { return this->tvalue; }
    inline DAControlPointType getType() { return this->type; }
    inline osg::Group * getVisualOwner() {return this->visualsOwner; }
    string getPositionString();

    //sets
    void setCharacteristics(osg::Vec3 tan, osg::Vec3 norm, osg::Vec3 binorm, double curvature, double torsion);
    inline void setNormal(osg::Vec3 nrml) {this->normal = nrml; }
    inline void setBinormal(osg::Vec3 binrml) {this->binormal = binrml; }
    void setPosition(osg::Vec3 pos);
    void setPosition(osg::Vec3f::value_type x, osg::Vec3f::value_type y, osg::Vec3f::value_type z);
    inline void setPriority(double prior) {this->priority = prior; }
    inline void setSegmentLength(double length) { this->segmentLength = length; }
    inline double setSpeed(double spee) { this->speed = spee; }
    inline void setTangent(osg::Vec3 tngt) { this->tangent = tngt; }
    inline void setTvalue(double tval) {this->tvalue = tval; }
    inline void setVisibleVisualBox(bool vis);

    void showGizmo(bool show);


    bool frenetFremeComputed;

private:

    //type of this point
    DAControlPointType type;

    double tvalue;          

    osg::Vec3 position;

    //not used
    //TODO remove if not-used
    osg::Quat orientation;

    //Computed characteristics
    osg::Vec3 tangent;
    osg::Vec3 normal;
    osg::Vec3 binormal;

    double curvature;
    double torsion;

    double speed;

    /*
     * at first is the same as speed
     * when some points are added or remove, this parameter must be recalculated
     */
    double segmentLength;           


    double priority;


    //visuals related variables
    osg::Group *visualsOwner;       
    bool visibleVisualBox;          

    osg::ref_ptr <SimpleBox> visualBox;

    osg::ref_ptr<DAGizmo> gizmo;    //graphical gizmo



};


#endif //_DA_CONTROL_POINT_H