1 // abs.h 2 // 3 // Copyright (C) 2003, 2004 Jason Bevins 4 // 5 // This library is free software; you can redistribute it and/or modify it 6 // under the terms of the GNU Lesser General Public License as published by 7 // the Free Software Foundation; either version 2.1 of the License, or (at 8 // your option) any later version. 9 // 10 // This library is distributed in the hope that it will be useful, but WITHOUT 11 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 13 // License (COPYING.txt) for more details. 14 // 15 // You should have received a copy of the GNU Lesser General Public License 16 // along with this library; if not, write to the Free Software Foundation, 17 // Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 18 // 19 // The developer's email is jlbezigvins@gmzigail.com (for great email, take 20 // off every 'zig'.) 21 // 22 23 #ifndef NOISE_MODULE_ABS_H 24 #define NOISE_MODULE_ABS_H 25 26 #include "modulebase.h" 27 28 namespace noise 29 { 30 31 namespace module { 32 33 /// @addtogroup libnoise 34 /// @{ 35 36 /// @addtogroup modules 37 /// @{ 38 39 /// @defgroup modifiermodules Modifier Modules 40 /// @addtogroup modifiermodules 41 /// @{ 42 43 /// Noise module that outputs the absolute value of the output value from 44 /// a source module. 45 /// 46 /// @image html moduleabs.png 47 /// 48 /// This noise module requires one source module. 49 class Abs: public Module 50 { 51 52 public: 53 54 /// Constructor. 55 Abs (); 56 GetSourceModuleCount()57 virtual int GetSourceModuleCount () const 58 { 59 return 1; 60 } 61 62 virtual double GetValue (double x, double y, double z) const; 63 64 }; 65 66 /// @} 67 68 /// @} 69 70 /// @} 71 72 } 73 74 } 75 76 #endif 77