cstool/noise/module/scalebias.h
00001 // scalebias.h 00002 // 00003 // Copyright (C) 2003, 2004 Jason Bevins 00004 // 00005 // This library is free software; you can redistribute it and/or modify it 00006 // under the terms of the GNU Lesser General Public License as published by 00007 // the Free Software Foundation; either version 2.1 of the License, or (at 00008 // your option) any later version. 00009 // 00010 // This library is distributed in the hope that it will be useful, but WITHOUT 00011 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00012 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 00013 // License (COPYING.txt) for more details. 00014 // 00015 // You should have received a copy of the GNU Lesser General Public License 00016 // along with this library; if not, write to the Free Software Foundation, 00017 // Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00018 // 00019 // The developer's email is jlbezigvins@gmzigail.com (for great email, take 00020 // off every 'zig'.) 00021 // 00022 00023 #ifndef NOISE_MODULE_SCALEBIAS_H 00024 #define NOISE_MODULE_SCALEBIAS_H 00025 00026 #include "modulebase.h" 00027 00028 namespace CS { 00029 namespace Math { 00030 namespace Noise { 00031 namespace Module { 00032 00035 00038 00041 00043 const double DEFAULT_BIAS = 0.0; 00044 00046 const double DEFAULT_SCALE = 1.0; 00047 00058 class CS_CRYSTALSPACE_EXPORT ScaleBias: public Module 00059 { 00060 00061 public: 00062 00068 ScaleBias (); 00069 00078 double GetBias () const 00079 { 00080 return m_bias; 00081 } 00082 00091 double GetScale () const 00092 { 00093 return m_scale; 00094 } 00095 00096 virtual int GetSourceModuleCount () const 00097 { 00098 return 1; 00099 } 00100 00101 virtual double GetValue (double x, double y, double z) const; 00102 00111 void SetBias (double bias) 00112 { 00113 m_bias = bias; 00114 } 00115 00124 void SetScale (double scale) 00125 { 00126 m_scale = scale; 00127 } 00128 00129 protected: 00130 00132 double m_bias; 00133 00136 double m_scale; 00137 00138 }; 00139 00141 00143 00145 00146 } // namespace Module 00147 } // namespace Noise 00148 } // namespace Math 00149 } // namespace CS 00150 00151 #endif
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