SoVRMLSphereSensor.h

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#ifndef COIN_SOVRMLSPHERESENSOR_H
#define COIN_SOVRMLSPHERESENSOR_H

#include <Inventor/nodes/SoSubNode.h>
#include <Inventor/VRMLnodes/SoVRMLDragSensor.h>
#include <Inventor/fields/SoSFRotation.h>
#include <Inventor/fields/SoSFVec3f.h>

class SbSphereProjector;

class COIN_DLL_API SoVRMLSphereSensor : public SoVRMLDragSensor
{
  typedef SoVRMLDragSensor inherited;
  SO_NODE_HEADER(SoVRMLSphereSensor);

public:
  static void initClass(void);
  SoVRMLSphereSensor(void);

  SoSFRotation offset;
  SoSFRotation rotation_changed;

protected:

  virtual SbBool dragStart(void);
  virtual void drag(void);
  virtual void dragFinish(void);

  virtual ~SoVRMLSphereSensor();

private:

  SbSphereProjector * sphereproj;
  SbVec3f prevworldhitpt;
  SbRotation prevrotation;
};

#endif // ! COIN_SOVRMLSPHERESENSOR_H