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1 | // Created on: 2014-10-15 |
| 2 | // Created by: Denis Bogolepov |
| 3 | // Copyright (c) 2014 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 | |
| 16 | #ifndef OpenGl_Disk_Header |
| 17 | #define OpenGl_Disk_Header |
| 18 | |
| 19 | #include <OpenGl_Quadric.hxx> |
| 20 | |
| 21 | //! Tool class for generating disk (circle) tessellation. |
| 22 | class OpenGl_Disk : public OpenGl_Quadric |
| 23 | { |
| 24 | public: |
| 25 | |
| 26 | //! Create uninitialized disk (circle) primitive. |
| 27 | Standard_EXPORT OpenGl_Disk(); |
| 28 | |
| 29 | //! Initialize disk (circle) primitive. |
| 30 | Standard_EXPORT Standard_Boolean Init (const Standard_ShortReal theInnerRadius, |
| 31 | const Standard_ShortReal theOuterRadius, |
| 32 | const Standard_Integer theNbSlices = 10, |
| 33 | const Standard_Integer theNbStacks = 10); |
| 34 | |
| 35 | protected: |
| 36 | |
| 37 | //! Returns surface point for the given parameters. |
| 38 | Standard_EXPORT virtual OpenGl_Vec3 evalVertex (const Standard_ShortReal theU, |
| 39 | const Standard_ShortReal theV) const Standard_OVERRIDE; |
| 40 | |
| 41 | //! Returns surface normal for the given parameters. |
| 42 | Standard_EXPORT virtual OpenGl_Vec3 evalNormal (const Standard_ShortReal theU, |
| 43 | const Standard_ShortReal theV) const Standard_OVERRIDE; |
| 44 | |
| 45 | private: |
| 46 | |
| 47 | Standard_ShortReal myInnerRadius; //!< Inner radius of the disk |
| 48 | Standard_ShortReal myOuterRadius; //!< Outer radius of the disk |
| 49 | |
| 50 | }; |
| 51 | |
| 52 | #endif // OpenGl_Disk_Header |
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