HandleArrow.h

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#pragma once
 
#include "HandlerBase.h"
 
#include <osg/Geode>
 
class HandleArrow : public HandlerBase
{
public:
    HandleArrow() = delete;
    HandleArrow(osg::Vec3d point, osg::Vec3d dir, double color[4], double length, double radius);
    virtual ~HandleArrow();
 
    virtual osg::Node *getNode(void) override;
 
    virtual void mouseOver(bool flag) override;
    virtual void setInteraction(int intersectionIndex, double intersectionRatio) override;
    virtual void setInteractionReference(int intersectionIndex, double intersectionRatio) override;
 
    void setPosition(osg::Vec3d pos);
    osg::Vec3d getPosition(void) { return position; }
 
private:
    void createArrow(osg::Geode * _geode, double color[4], double length, double radius);
    void updateTransform(void);
 
    osg::ref_ptr<osg::MatrixTransform>  osgNode;
    osg::ref_ptr<osg::Switch>           osgSwitchNode;
    osg::ref_ptr<osg::Geode>            arrowNode;
    osg::ref_ptr<osg::Geode>            arrowNodeSelected;
 
    osg::Vec3d position;
    osg::Vec3d direction;
 
    double intersectionLineLength;
    double referenceOffset;
};