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https://git.dev.opencascade.org/repos/occt.git
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503374ad84
- created Select3D_SensitiveSphere class - implemented interfaces for intersection methods - added tests
167 lines
9.3 KiB
C++
167 lines
9.3 KiB
C++
// Copyright (c) 2021 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _SelectMgr_AxisIntersector_HeaderFile
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#define _SelectMgr_AxisIntersector_HeaderFile
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#include <SelectMgr_BaseIntersector.hxx>
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#include <gp_Ax1.hxx>
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//! This class contains representation of selecting axis, created in case of point selection
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//! and algorithms for overlap detection between this axis and sensitive entities.
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class SelectMgr_AxisIntersector : public SelectMgr_BaseIntersector
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{
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public:
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//! Empty constructor
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Standard_EXPORT SelectMgr_AxisIntersector();
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//! Destructor
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Standard_EXPORT virtual ~SelectMgr_AxisIntersector();
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//! Initializes selecting axis according to the input one
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Standard_EXPORT void Init (const gp_Ax1& theAxis);
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//! Builds axis according to internal parameters.
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//! NOTE: it should be called after Init() method
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Standard_EXPORT virtual void Build() Standard_OVERRIDE;
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//! Saves camera definition.
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//! Do nothing for axis intersector (not applicable to this volume).
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Standard_EXPORT virtual void SetCamera (const Handle(Graphic3d_Camera)& theCamera) Standard_OVERRIDE;
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//! Returns FALSE (not applicable to this volume).
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virtual Standard_Boolean IsScalable() const Standard_OVERRIDE { return false; }
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//! IMPORTANT: Scaling doesn't make sense for this intersector.
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//! Returns a copy of the intersector transformed using the matrix given.
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//! Builder is an optional argument that represents corresponding settings for re-constructing transformed frustum from scratch.
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//! Can be null if reconstruction is not expected furthermore.
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Standard_EXPORT virtual Handle(SelectMgr_BaseIntersector) ScaleAndTransform (const Standard_Integer theScaleFactor,
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const gp_GTrsf& theTrsf,
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const Handle(SelectMgr_FrustumBuilder)& theBuilder) const Standard_OVERRIDE;
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public:
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//! Intersection test between defined axis and given axis-aligned box
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Standard_EXPORT virtual Standard_Boolean OverlapsBox (const SelectMgr_Vec3& theBoxMin,
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const SelectMgr_Vec3& theBoxMax,
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const SelectMgr_ViewClipRange& theClipRange,
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SelectBasics_PickResult& thePickResult) const Standard_OVERRIDE;
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//! Returns true if selecting axis intersects axis-aligned bounding box
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//! with minimum corner at point theMinPt and maximum at point theMaxPt
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Standard_EXPORT virtual Standard_Boolean OverlapsBox (const SelectMgr_Vec3& theBoxMin,
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const SelectMgr_Vec3& theBoxMax,
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Standard_Boolean* theInside) const Standard_OVERRIDE;
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//! Intersection test between defined axis and given point
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Standard_EXPORT virtual Standard_Boolean OverlapsPoint (const gp_Pnt& thePnt,
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const SelectMgr_ViewClipRange& theClipRange,
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SelectBasics_PickResult& thePickResult) const Standard_OVERRIDE;
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//! Intersection test between defined axis and given point
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Standard_EXPORT virtual Standard_Boolean OverlapsPoint (const gp_Pnt& thePnt) const Standard_OVERRIDE;
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//! Intersection test between defined axis and given ordered set of points,
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//! representing line segments. The test may be considered of interior part or
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//! boundary line defined by segments depending on given sensitivity type
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Standard_EXPORT virtual Standard_Boolean OverlapsPolygon (const TColgp_Array1OfPnt& theArrayOfPnts,
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Select3D_TypeOfSensitivity theSensType,
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const SelectMgr_ViewClipRange& theClipRange,
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SelectBasics_PickResult& thePickResult) const Standard_OVERRIDE;
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//! Checks if selecting axis intersects line segment
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Standard_EXPORT virtual Standard_Boolean OverlapsSegment (const gp_Pnt& thePnt1,
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const gp_Pnt& thePnt2,
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const SelectMgr_ViewClipRange& theClipRange,
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SelectBasics_PickResult& thePickResult) const Standard_OVERRIDE;
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//! Intersection test between defined axis and given triangle. The test may
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//! be considered of interior part or boundary line defined by triangle vertices
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//! depending on given sensitivity type
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Standard_EXPORT virtual Standard_Boolean OverlapsTriangle (const gp_Pnt& thePnt1,
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const gp_Pnt& thePnt2,
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const gp_Pnt& thePnt3,
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Select3D_TypeOfSensitivity theSensType,
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const SelectMgr_ViewClipRange& theClipRange,
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SelectBasics_PickResult& thePickResult) const Standard_OVERRIDE;
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//! Intersection test between defined axis and given sphere with center theCenter
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//! and radius theRadius
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Standard_EXPORT virtual Standard_Boolean OverlapsSphere (const gp_Pnt& theCenter,
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const Standard_Real theRadius,
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Standard_Boolean* theInside = NULL) const Standard_OVERRIDE;
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//! Intersection test between defined axis and given sphere with center theCenter
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//! and radius theRadius
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Standard_EXPORT virtual Standard_Boolean OverlapsSphere (const gp_Pnt& theCenter,
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const Standard_Real theRadius,
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const SelectMgr_ViewClipRange& theClipRange,
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SelectBasics_PickResult& thePickResult) const Standard_OVERRIDE;
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public:
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//! Measures distance between start axis point and given point theCOG.
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Standard_EXPORT virtual Standard_Real DistToGeometryCenter (const gp_Pnt& theCOG) const Standard_OVERRIDE;
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//! Calculates the point on a axis ray that was detected during the run of selection algo by given depth
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Standard_EXPORT virtual gp_Pnt DetectedPoint (const Standard_Real theDepth) const Standard_OVERRIDE;
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//! Returns near point along axis.
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Standard_EXPORT virtual const gp_Pnt& GetNearPnt() const Standard_OVERRIDE;
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//! Returns far point along axis (infinite).
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Standard_EXPORT virtual const gp_Pnt& GetFarPnt() const Standard_OVERRIDE;
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//! Returns axis direction.
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Standard_EXPORT virtual const gp_Dir& GetViewRayDirection() const Standard_OVERRIDE;
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//! Dumps the content of me into the stream
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Standard_EXPORT virtual void DumpJson (Standard_OStream& theOStream, Standard_Integer theDepth = -1) const Standard_OVERRIDE;
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protected:
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//! Returns true if selecting axis intersects axis-aligned bounding box
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//! with minimum corner at point theBoxMin and maximum at point theBoxMax.
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//! Also returns enter and leave time of axis-box intersection.
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Standard_EXPORT Standard_Boolean hasIntersection (const SelectMgr_Vec3& theBoxMin,
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const SelectMgr_Vec3& theBoxMax,
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Standard_Real& theTimeEnter,
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Standard_Real& theTimeLeave) const;
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//! Returns true if selecting axis intersects point.
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//! Also returns time of axis-point intersection.
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Standard_EXPORT Standard_Boolean hasIntersection (const gp_Pnt& thePnt,
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Standard_Real& theDepth) const;
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//! Returns true if selecting axis intersects segment.
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//! Also saves time of axis-segment intersection and intersection point as pick result.
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Standard_EXPORT Standard_Boolean raySegmentDistance (const gp_Pnt& theSegPnt1,
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const gp_Pnt& theSegPnt2,
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SelectBasics_PickResult& thePickResult) const;
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//! Returns true if selecting axis intersects plane.
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//! Also saves time of axis-plane intersection and intersection point as pick result.
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Standard_EXPORT Standard_Boolean rayPlaneIntersection (const gp_Vec& thePlane,
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const gp_Pnt& thePntOnPlane,
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SelectBasics_PickResult& thePickResult) const;
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private:
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gp_Ax1 myAxis;
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};
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#endif // _SelectMgr_AxisIntersector_HeaderFile
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