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62ef08dfc8
StdPrs_ToolCylinder, StdPrs_ToolDisk, StdPrs_ToolQuadric and StdPrs_ToolSphere have been moved from StdPrs package to Prs3d.
75 lines
2.9 KiB
C++
75 lines
2.9 KiB
C++
// Created on: 2016-02-04
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// Created by: Anastasia BORISOVA
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// Copyright (c) 2016 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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#include <Prs3d_ToolSphere.hxx>
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#include <Graphic3d_ArrayOfTriangles.hxx>
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#include <Poly_Array1OfTriangle.hxx>
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#include <Prs3d_ToolQuadric.hxx>
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//=======================================================================
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//function : Constructor
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//purpose :
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//=======================================================================
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Prs3d_ToolSphere::Prs3d_ToolSphere (const Standard_Real theRadius,
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const Standard_Integer theNbSlices,
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const Standard_Integer theNbStacks)
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: myRadius (theRadius)
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{
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mySlicesNb = theNbSlices;
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myStacksNb = theNbStacks;
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}
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//=======================================================================
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//function : Vertex
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//purpose :
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//=======================================================================
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gp_Pnt Prs3d_ToolSphere::Vertex (const Standard_Real theU, const Standard_Real theV)
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{
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const Standard_Real aU = theU * M_PI * 2.0;
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const Standard_Real aV = theV * M_PI;
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return gp_Pnt (myRadius * Cos (aU) * Sin (aV),
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-myRadius * Sin (aU) * Sin (aV),
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myRadius * Cos (aV));
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}
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//=======================================================================
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//function : Add
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//purpose :
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//=======================================================================
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gp_Dir Prs3d_ToolSphere::Normal (const Standard_Real theU, const Standard_Real theV)
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{
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const Standard_Real aU = theU * M_PI * 2.0;
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const Standard_Real aV = theV * M_PI;
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return gp_Dir (Cos (aU) * Sin (aV),
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-Sin (aU) * Sin (aV),
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Cos (aV));
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}
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//=======================================================================
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//function : Perform
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//purpose :
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//=======================================================================
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Handle(Graphic3d_ArrayOfTriangles) Prs3d_ToolSphere::Create (const Standard_Real theRadius,
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const Standard_Integer theNbSlices,
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const Standard_Integer theNbStacks,
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const gp_Trsf& theTrsf)
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{
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Handle(Graphic3d_ArrayOfTriangles) anArray;
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Prs3d_ToolSphere aTool (theRadius, theNbSlices, theNbStacks);
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aTool.FillArray (anArray, theTrsf);
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return anArray;
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}
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