1 // Created on: 2014-10-15
2 // Created by: Denis Bogolepov
3 // Copyright (c) 2014 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 #ifndef OpenGl_Cylinder_Header
17 #define OpenGl_Cylinder_Header
19 #include <OpenGl_Quadric.hxx>
21 //! Tool class for generating cylinder tessellation of quadric surface.
22 class OpenGl_Cylinder : public OpenGl_Quadric
26 //! Create undefined cylinder primitive.
27 Standard_EXPORT OpenGl_Cylinder();
29 //! Initialize cylinder primitive.
30 Standard_EXPORT Standard_Boolean Init (const Standard_ShortReal theBotRad,
31 const Standard_ShortReal theTopRad,
32 const Standard_ShortReal theHeight,
33 const Standard_Integer theNbSlices = 10,
34 const Standard_Integer theNbStacks = 10);
38 //! Returns surface point for the given parameters.
39 Standard_EXPORT virtual OpenGl_Vec3 evalVertex (const Standard_ShortReal theU,
40 const Standard_ShortReal theV) const Standard_OVERRIDE;
42 //! Returns surface normal for the given parameters.
43 Standard_EXPORT virtual OpenGl_Vec3 evalNormal (const Standard_ShortReal theU,
44 const Standard_ShortReal theV) const Standard_OVERRIDE;
48 Standard_ShortReal myBotRad; //!< Radius of the cylinder at bottom
49 Standard_ShortReal myTopRad; //!< Radius of the cylinder at top
50 Standard_ShortReal myHeight; //!< Height of the cylinder
54 #endif // OpenGl_Cylinder_Header