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0030004: Visualization, AIS_Manipulator - disable detection of Rotating circle when picking ray lies on its plane

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This commit is contained in:
kgv 2018-07-31 17:37:49 +03:00 committed by bugmaster
parent 4a3610588f
commit b11aef43d4
1 changed files with 64 additions and 2 deletions
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66
src/AIS/AIS_Manipulator.cxx
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@ -55,6 +55,68 @@ namespace
}
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);
}
};
}
//=======================================================================
@ -961,11 +1023,11 @@ void AIS_Manipulator::ComputeSelection (const Handle(SelectMgr_Selection)& theSe
}
// 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);
}
}