}
throw Standard_ProgramError ("AIS_Manipulator - Invalid axis index");
}
+
+ //! Auxiliary tool for filtering picking ray.
+ class ManipSensRotation
+ {
+ public:
+ //! Main constructor.
+ ManipSensRotation (const gp_Dir& thePlaneNormal) : myPlaneNormal (thePlaneNormal), myAngleTol (10.0 * M_PI / 180.0) {}
+
+ //! Checks if picking ray can be used for detection.
+ Standard_Boolean isValidRay (const SelectBasics_SelectingVolumeManager& theMgr) const
+ {
+ if (theMgr.GetActiveSelectionType() != SelectBasics_SelectingVolumeManager::Point)
+ {
+ return Standard_False;
+ }
+
+ const gp_Vec aRay (theMgr.GetNearPickedPnt(), theMgr.GetFarPickedPnt());
+ return !aRay.IsNormal (myPlaneNormal, myAngleTol);
+ }
+ private:
+ gp_Dir myPlaneNormal;
+ Standard_Real myAngleTol;
+ };
+
+ //! Sensitive circle with filtering picking ray.
+ class ManipSensCircle : public Select3D_SensitiveCircle, public ManipSensRotation
+ {
+ public:
+ //! Main constructor.
+ ManipSensCircle (const Handle(SelectBasics_EntityOwner)& theOwnerId,
+ const Handle(Geom_Circle)& theCircle,
+ const Standard_Integer theNbPnts)
+ : Select3D_SensitiveCircle (theOwnerId, theCircle, Standard_False, theNbPnts),
+ ManipSensRotation (theCircle->Position().Direction()) {}
+
+ //! Checks whether the circle overlaps current selecting volume
+ virtual Standard_Boolean Matches (SelectBasics_SelectingVolumeManager& theMgr,
+ SelectBasics_PickResult& thePickResult) Standard_OVERRIDE
+ {
+ return isValidRay (theMgr)
+ && Select3D_SensitiveCircle::Matches (theMgr, thePickResult);
+ }
+ };
+
+ //! Sensitive triangulation with filtering picking ray.
+ class ManipSensTriangulation : public Select3D_SensitiveTriangulation, public ManipSensRotation
+ {
+ public:
+ ManipSensTriangulation (const Handle(SelectBasics_EntityOwner)& theOwnerId,
+ const Handle(Poly_Triangulation)& theTrg,
+ const gp_Dir& thePlaneNormal)
+ : Select3D_SensitiveTriangulation (theOwnerId, theTrg, TopLoc_Location(), Standard_True),
+ ManipSensRotation (thePlaneNormal) {}
+
+ //! Checks whether the circle overlaps current selecting volume
+ virtual Standard_Boolean Matches (SelectBasics_SelectingVolumeManager& theMgr,
+ SelectBasics_PickResult& thePickResult) Standard_OVERRIDE
+ {
+ return isValidRay (theMgr)
+ && Select3D_SensitiveTriangulation::Matches (theMgr, thePickResult);
+ }
+ };
}
//=======================================================================
}
// define sensitivity by circle
Handle(Geom_Circle) aGeomCircle = new Geom_Circle (gp_Ax2 (gp::Origin(), anAxis.ReferenceAxis().Direction()), anAxis.RotatorDiskRadius());
- Handle(Select3D_SensitiveCircle) aCircle = new Select3D_SensitiveCircle (anOwner, aGeomCircle, Standard_False, anAxis.FacettesNumber());
+ Handle(Select3D_SensitiveCircle) aCircle = new ManipSensCircle (anOwner, aGeomCircle, anAxis.FacettesNumber());
aCircle->SetSensitivityFactor (15);
theSelection->Add (aCircle);
// enlarge sensitivity by triangulation
- Handle(Select3D_SensitiveTriangulation) aTri = new Select3D_SensitiveTriangulation (anOwner, myAxes[anIt].RotatorDisk().Triangulation(), TopLoc_Location(), Standard_True);
+ Handle(Select3D_SensitiveTriangulation) aTri = new ManipSensTriangulation (anOwner, myAxes[anIt].RotatorDisk().Triangulation(), anAxis.ReferenceAxis().Direction());
theSelection->Add (aTri);
}
}