1 // Created on: 2016-02-04
2 // Created by: Anastasia BORISOVA
3 // Copyright (c) 2016 OPEN CASCADE SAS
5 // This file is part of Open CASCADE Technology software library.
7 // This library is free software; you can redistribute it and/or modify it under
8 // the terms of the GNU Lesser General Public License version 2.1 as published
9 // by the Free Software Foundation, with special exception defined in the file
10 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
11 // distribution for complete text of the license and disclaimer of any warranty.
13 // Alternatively, this file may be used under the terms of Open CASCADE
14 // commercial license or contractual agreement.
16 #include <StdPrs_ToolDisk.hxx>
18 #include <Graphic3d_ArrayOfTriangles.hxx>
19 #include <Poly_Array1OfTriangle.hxx>
20 #include <StdPrs_ToolQuadric.hxx>
22 //=======================================================================
23 //function : Constructor
25 //=======================================================================
26 StdPrs_ToolDisk::StdPrs_ToolDisk (const Standard_Real theInnerRadius,
27 const Standard_Real theOuterRadius,
28 const Standard_Integer theNbSlices,
29 const Standard_Integer theNbStacks)
30 : myInnerRadius (theInnerRadius),
31 myOuterRadius (theOuterRadius)
33 mySlicesNb = theNbSlices;
34 myStacksNb = theNbStacks;
37 //=======================================================================
40 //=======================================================================
41 gp_Pnt StdPrs_ToolDisk::Vertex (const Standard_Real theU, const Standard_Real theV)
43 const Standard_Real aU = theU * M_PI * 2.0;
44 const Standard_Real aRadius = myInnerRadius + (myOuterRadius - myInnerRadius) * theV;
45 return gp_Pnt (Cos (aU) * aRadius,
50 //=======================================================================
53 //=======================================================================
54 gp_Dir StdPrs_ToolDisk::Normal (const Standard_Real /*theU*/, const Standard_Real /*theV*/)
56 return gp_Dir (0.0, 0.0, -1.0);
59 //=======================================================================
62 //=======================================================================
63 Handle(Graphic3d_ArrayOfTriangles) StdPrs_ToolDisk::Create (const Standard_Real theInnerRadius,
64 const Standard_Real theOuterRadius,
65 const Standard_Integer theNbSlices,
66 const Standard_Integer theNbStacks,
67 const gp_Trsf& theTrsf)
69 Handle(Graphic3d_ArrayOfTriangles) anArray;
70 StdPrs_ToolDisk aTool (theInnerRadius, theOuterRadius, theNbSlices, theNbStacks);
71 aTool.FillArray (anArray, theTrsf);