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Automatically update code with clang-format disabling for avoiding formatting. You can check the python script in GitHub PR
212 lines
13 KiB
C++
212 lines
13 KiB
C++
// Created on: 2014-05-22
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// Created by: Varvara POSKONINA
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// Copyright (c) 2005-2014 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_TriangularFrustumSet_HeaderFile
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#define _SelectMgr_TriangularFrustumSet_HeaderFile
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#include <SelectMgr_TriangularFrustum.hxx>
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#include <TColgp_HArray1OfPnt2d.hxx>
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typedef NCollection_List<Handle(SelectMgr_TriangularFrustum)> SelectMgr_TriangFrustums;
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//! This class is used to handle polyline selection. The main principle of polyline selection
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//! algorithm is to split the polygon defined by polyline onto triangles.
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//! Than each of them is considered as a base for triangular frustum building.
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//! In other words, each triangle vertex will be projected from 2d screen space to 3d world space onto near and far view frustum planes.
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//! Thus, the projected triangles make up the bases of selecting frustum.
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//! When the set of such frustums is created, the function determining
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//! selection iterates through triangular frustum set and searches for overlap with any frustum.
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class SelectMgr_TriangularFrustumSet : public SelectMgr_BaseFrustum
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{
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public:
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//! Auxiliary structure to define selection polyline
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struct SelectionPolyline
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{
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Handle(TColgp_HArray1OfPnt2d) Points;
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};
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public:
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//! Constructor.
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SelectMgr_TriangularFrustumSet();
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//! Destructor.
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Standard_EXPORT virtual ~SelectMgr_TriangularFrustumSet();
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//! Initializes set of triangular frustums by polyline
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Standard_EXPORT void Init (const TColgp_Array1OfPnt2d& thePoints);
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//! Meshes polygon bounded by polyline. Than organizes a set of triangular frustums,
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//! where each triangle's projection onto near and far view frustum planes is considered as a frustum base
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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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//! Returns FALSE (not applicable to this volume).
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virtual Standard_Boolean IsScalable() const Standard_OVERRIDE { return false; }
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//! Returns a copy of the frustum with all sub-volumes transformed according to the matrix given
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Standard_EXPORT virtual Handle(SelectMgr_BaseIntersector) ScaleAndTransform (const Standard_Integer theScale,
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const gp_GTrsf& theTrsf,
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const Handle(SelectMgr_FrustumBuilder)& theBuilder) const Standard_OVERRIDE;
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//! Returns a copy of the frustum using the given frustum builder configuration.
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//! Returned frustum should be re-constructed before being used.
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//! @param[in] theBuilder argument that represents corresponding settings for re-constructing transformed frustum from scratch;
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//! should NOT be NULL.
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//! @return a copy of the frustum with the input builder assigned
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Standard_EXPORT virtual Handle(SelectMgr_BaseIntersector) CopyWithBuilder (const Handle(SelectMgr_FrustumBuilder)& theBuilder) const Standard_OVERRIDE;
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public:
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Standard_EXPORT virtual Standard_Boolean OverlapsBox (const SelectMgr_Vec3& theMinPnt,
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const SelectMgr_Vec3& theMaxPnt,
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const SelectMgr_ViewClipRange& theClipRange,
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SelectBasics_PickResult& thePickResult) const Standard_OVERRIDE;
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Standard_EXPORT virtual Standard_Boolean OverlapsBox (const SelectMgr_Vec3& theMinPnt,
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const SelectMgr_Vec3& theMaxPnt,
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Standard_Boolean* theInside) const Standard_OVERRIDE;
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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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//! Always returns FALSE (not applicable to this selector).
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virtual Standard_Boolean OverlapsPoint (const gp_Pnt& ) const Standard_OVERRIDE
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{
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return Standard_False;
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}
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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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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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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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public:
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//! Calculates the point on a view 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 true if selecting volume is overlapped by 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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//! Returns true if selecting volume is overlapped by 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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//! Returns true if selecting volume is overlapped by cylinder (or cone) with radiuses theBottomRad
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//! and theTopRad, height theHeight and transformation to apply theTrsf.
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Standard_EXPORT virtual Standard_Boolean OverlapsCylinder (const Standard_Real theBottomRad,
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const Standard_Real theTopRad,
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const Standard_Real theHeight,
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const gp_Trsf& theTrsf,
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const Standard_Boolean theIsHollow,
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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 volume is overlapped by cylinder (or cone) with radiuses theBottomRad
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//! and theTopRad, height theHeight and transformation to apply theTrsf.
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Standard_EXPORT virtual Standard_Boolean OverlapsCylinder (const Standard_Real theBottomRad,
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const Standard_Real theTopRad,
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const Standard_Real theHeight,
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const gp_Trsf& theTrsf,
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const Standard_Boolean theIsHollow,
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Standard_Boolean* theInside = NULL) const Standard_OVERRIDE;
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//! Returns true if selecting volume is overlapped by cylinder (or cone) with radiuses theBottomRad
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//! and theTopRad, height theHeight and transformation to apply theTrsf.
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Standard_EXPORT virtual Standard_Boolean OverlapsCircle (const Standard_Real theBottomRad,
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const gp_Trsf& theTrsf,
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const Standard_Boolean theIsFilled,
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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 volume is overlapped by cylinder (or cone) with radiuses theBottomRad
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//! and theTopRad, height theHeight and transformation to apply theTrsf.
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Standard_EXPORT virtual Standard_Boolean OverlapsCircle (const Standard_Real theBottomRad,
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const gp_Trsf& theTrsf,
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const Standard_Boolean theIsFilled,
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Standard_Boolean* theInside = NULL) const Standard_OVERRIDE;
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//! Stores plane equation coefficients (in the following form:
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//! Ax + By + Cz + D = 0) to the given vector
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Standard_EXPORT virtual void GetPlanes (NCollection_Vector<SelectMgr_Vec4>& thePlaneEquations) const Standard_OVERRIDE;
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//! If theIsToAllow is false, only fully included sensitives will be detected, otherwise the algorithm will
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//! mark both included and overlapped entities as matched
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Standard_EXPORT virtual void SetAllowOverlapDetection (const Standard_Boolean theIsToAllow);
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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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private:
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//! Checks whether the segment intersects with the boundary of the current volume selection
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Standard_EXPORT Standard_Boolean isIntersectBoundary (const gp_Pnt& thePnt1, const gp_Pnt& thePnt2) const;
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//! Checks whether the circle intersects with the boundary of the current volume selection
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Standard_EXPORT Standard_Boolean isIntersectBoundary (const Standard_Real theRadius,
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const gp_Trsf& theTrsf,
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const Standard_Boolean theIsFilled) const;
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//! Checks whether the triangle intersects with a segment
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Standard_EXPORT static Standard_Boolean segmentTriangleIntersection (const gp_Pnt &theOrig, const gp_Vec& theDir,
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const gp_Pnt& theV1, const gp_Pnt& theV2, const gp_Pnt& theV3);
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Standard_EXPORT static Standard_Boolean segmentSegmentIntersection (const gp_Pnt& theStartPnt1,
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const gp_Pnt& theEndPnt1,
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const gp_Pnt& theStartPnt2,
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const gp_Pnt& theEndPnt2);
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Standard_EXPORT static Standard_Boolean pointInTriangle (const gp_Pnt& thePnt,
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const gp_Pnt& theV1, const gp_Pnt& theV2, const gp_Pnt& theV3);
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private:
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SelectMgr_TriangFrustums myFrustums; //!< set of triangular frustums
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// clang-format off
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SelectionPolyline mySelPolyline; //!< parameters of selection polyline (it is used to build triangle frustum set)
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TColgp_Array1OfPnt myBoundaryPoints; //!< boundary points
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//! 1_____2
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//! /| |\ .
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//! 4/_|_____|_\3
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//! | 5|_____|6 |
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//! | / \ |
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//! 8|/_________\|7
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Standard_Boolean myToAllowOverlap; //!< flag to detect only fully included sensitives or not
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// clang-format on
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};
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#endif // _SelectMgr_TriangularFrustumSet_HeaderFile
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