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170175554f
Extended SelectBasics_PickResult structure by myObjPickedPnt field, which contained the value of the 3d point on the selected object. Changed all Overlaps methods. Parameter theDepth replaced on object of the structure SelectBasics_PickResult. This approach will be able to add new fields to SelectBasics_PickResult structure without big changes in modules which contained Overlaps method.
90 lines
3.4 KiB
C++
90 lines
3.4 KiB
C++
// Created on: 2014-11-14
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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 _SelectBasics_PickResult_HeaderFile
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#define _SelectBasics_PickResult_HeaderFile
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#include <Standard.hxx>
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#include <NCollection_Vec4.hxx>
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//! This structure provides unified access to the results of Matches() method in all sensitive entities,
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//! so that it defines a Depth (distance to the entity along picking ray) and a closest Point on entity.
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struct SelectBasics_PickResult
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{
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public:
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//! Return closest result between two Pick Results according to Depth value.
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static const SelectBasics_PickResult& Min (const SelectBasics_PickResult& thePickResult1,
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const SelectBasics_PickResult& thePickResult2)
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{
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return thePickResult1.Depth() <= thePickResult2.Depth() ? thePickResult1 : thePickResult2;
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}
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public:
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//! Empty constructor defining an invalid result.
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SelectBasics_PickResult()
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: myObjPickedPnt (RealLast(), 0.0, 0.0),
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myDepth (RealLast()),
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myDistToCenter (RealLast()) {}
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//! Constructor with initialization.
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SelectBasics_PickResult (Standard_Real theDepth,
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Standard_Real theDistToCenter,
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const gp_Pnt& theObjPickedPnt)
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: myObjPickedPnt (theObjPickedPnt),
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myDepth (theDepth),
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myDistToCenter (theDistToCenter) {}
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public:
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//! Return TRUE if result was been defined.
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Standard_Boolean IsValid() const { return myDepth != RealLast(); }
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//! Reset depth value.
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void Invalidate()
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{
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myDepth = RealLast();
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myObjPickedPnt = gp_Pnt (RealLast(), 0.0, 0.0);
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}
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//! Return depth along picking ray.
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Standard_Real Depth() const { return myDepth; }
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//! Set depth along picking ray.
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void SetDepth (Standard_Real theDepth) { myDepth = theDepth; }
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//! Return TRUE if Picked Point lying on detected entity was set.
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Standard_Boolean HasPickedPoint() const { return myObjPickedPnt.X() != RealLast(); }
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//! Return picked point lying on detected entity.
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//! WARNING! Point is defined in local coordinate system and should be translated into World System before usage!
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const gp_Pnt& PickedPoint() const { return myObjPickedPnt; }
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//! Set picked point.
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void SetPickedPoint (const gp_Pnt& theObjPickedPnt) { myObjPickedPnt = theObjPickedPnt; }
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//! Return distance to geometry center (auxiliary value for comparing results).
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Standard_Real DistToGeomCenter() const { return myDistToCenter; }
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//! Set distance to geometry center.
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void SetDistToGeomCenter (Standard_Real theDistToCenter) { myDistToCenter = theDistToCenter; }
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private:
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gp_Pnt myObjPickedPnt; //!< User-picked selection point onto object
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Standard_Real myDepth; //!< Depth to detected point
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Standard_Real myDistToCenter; //!< Distance from 3d projection user-picked selection point to entity's geometry center
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};
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#endif // _SelectBasics_PickResult_HeaderFile
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