0028010: Visualization, Prs3d_Arrow - add Shading presentation builder
[occt.git] / src / Prs3d / Prs3d_ToolDisk.cxx
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625e1958 1// Created on: 2016-02-04
2// Created by: Anastasia BORISOVA
3// Copyright (c) 2016 OPEN CASCADE SAS
4//
5// This file is part of Open CASCADE Technology software library.
6//
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.
12//
13// Alternatively, this file may be used under the terms of Open CASCADE
14// commercial license or contractual agreement.
15
62ef08df 16#include <Prs3d_ToolDisk.hxx>
625e1958 17
18#include <Graphic3d_ArrayOfTriangles.hxx>
19#include <Poly_Array1OfTriangle.hxx>
62ef08df 20#include <Prs3d_ToolQuadric.hxx>
625e1958 21
22//=======================================================================
23//function : Constructor
24//purpose :
25//=======================================================================
62ef08df 26Prs3d_ToolDisk::Prs3d_ToolDisk (const Standard_Real theInnerRadius,
27 const Standard_Real theOuterRadius,
28 const Standard_Integer theNbSlices,
29 const Standard_Integer theNbStacks)
625e1958 30: myInnerRadius (theInnerRadius),
31 myOuterRadius (theOuterRadius)
32{
caf231b0 33 mySlicesNb = theNbSlices;
34 myStacksNb = theNbStacks;
625e1958 35}
36
37//=======================================================================
38//function : Vertex
39//purpose :
40//=======================================================================
62ef08df 41gp_Pnt Prs3d_ToolDisk::Vertex (const Standard_Real theU, const Standard_Real theV)
625e1958 42{
caf231b0 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,
46 Sin (aU) * aRadius,
47 0.0);
625e1958 48}
49
50//=======================================================================
51//function : Add
52//purpose :
53//=======================================================================
62ef08df 54gp_Dir Prs3d_ToolDisk::Normal (const Standard_Real /*theU*/, const Standard_Real /*theV*/)
625e1958 55{
caf231b0 56 return gp_Dir (0.0, 0.0, -1.0);
57}
58
59//=======================================================================
60//function : Perform
61//purpose :
62//=======================================================================
62ef08df 63Handle(Graphic3d_ArrayOfTriangles) Prs3d_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)
caf231b0 68{
69 Handle(Graphic3d_ArrayOfTriangles) anArray;
62ef08df 70 Prs3d_ToolDisk aTool (theInnerRadius, theOuterRadius, theNbSlices, theNbStacks);
caf231b0 71 aTool.FillArray (anArray, theTrsf);
72 return anArray;
625e1958 73}