A portable, open-source, coherent noise-generating library for C++

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# 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 noise
    00029 {
    00030
    00031   namespace module
    00032   {
    00033
    00036
    00039
    00042
    00044     const double DEFAULT_BIAS = 0.0;
    00045
    00047     const double DEFAULT_SCALE = 1.0;
    00048
    00059     class ScaleBias: public Module
    00060     {
    00061
    00062       public:
    00063
    00069         ScaleBias ();
    00070
    00079         double GetBias () const
    00080         {
    00081           return m_bias;
    00082         }
    00083
    00092         double GetScale () const
    00093         {
    00094           return m_scale;
    00095         }
    00096
    00097         virtual int GetSourceModuleCount () const
    00098         {
    00099           return 1;
    00100         }
    00101
    00102         virtual double GetValue (double x, double y, double z) const;
    00103
    00112         void SetBias (double bias)
    00113         {
    00114           m_bias = bias;
    00115         }
    00116
    00125         void SetScale (double scale)
    00126         {
    00127           m_scale = scale;
    00128         }
    00129
    00130       protected:
    00131
    00133         double m_bias;
    00134
    00137         double m_scale;
    00138
    00139     };
    00140
    00142
    00144
    00146
    00147   }
    00148
    00149 }
    00150
    00151 #endif