HandleWheel.h

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#pragma once
 
#include "HandlerBase.h"
 
#include <osg/Geode>
 
class HandleWheel : public HandlerBase
{
public:
    HandleWheel() = delete;
    HandleWheel(osg::Vec3d point, osg::Vec3d normal, double radius, double tubeRadius, double color[4]);
    virtual ~HandleWheel();
 
    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 wheelPosition; }
 
    double getRotationAngleDeg(void) { return rotationAngleDeg; }
 
private:
    void createWheel(osg::Geode * _geode, double color[4], double wheelRadius, double tubeRadius, int numberSegments);
    void updateTransform(void);
    double calculateAngle(int intersectionIndex, double intersectionRatio);
 
    osg::ref_ptr<osg::MatrixTransform>  osgNode;
    osg::ref_ptr<osg::Switch>           osgSwitchNode;
    osg::ref_ptr<osg::Geode>            wheelNode;
    osg::ref_ptr<osg::Geode>            wheelNodeSelected;
 
    osg::Vec3d wheelPosition;
    osg::Vec3d wheelNormal;
    double wheelRadius;
 
    double segmentLength;
    int    numberSegments;
    double referenceAngleDeg;
    double rotationAngleDeg;
    double wheelRotationAngleDeg;
};