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

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# terrace.h

    00001 // terrace.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_TERRACE_H
    00024 #define NOISE_MODULE_TERRACE_H
    00025
    00026 #include "modulebase.h"
    00027
    00028 namespace noise
    00029 {
    00030
    00031   namespace module
    00032   {
    00033
    00036
    00039
    00042
    00073     class Terrace: public Module
    00074     {
    00075
    00076       public:
    00077
    00079         Terrace ();
    00080
    00082         ~Terrace ();
    00083
    00098         void AddControlPoint (double value);
    00099
    00103         void ClearAllControlPoints ();
    00104
    00121         const double* GetControlPointArray () const
    00122         {
    00123           return m_pControlPoints;
    00124         }
    00125
    00130         int GetControlPointCount () const
    00131         {
    00132           return m_controlPointCount;
    00133         }
    00134
    00135         virtual int GetSourceModuleCount () const
    00136         {
    00137           return 1;
    00138         }
    00139
    00145         void InvertTerraces (bool invert = true)
    00146         {
    00147           m_invertTerraces = invert;
    00148         }
    00149
    00157         bool IsTerracesInverted () const
    00158         {
    00159           return m_invertTerraces;
    00160         }
    00161
    00162         virtual double GetValue (double x, double y, double z) const;
    00163
    00181         void MakeControlPoints (int controlPointCount);
    00182
    00183       protected:
    00184
    00201         int FindInsertionPos (double value);
    00202
    00218         void InsertAtPos (int insertionPos, double value);
    00219
    00221         int m_controlPointCount;
    00222
    00225         bool m_invertTerraces;
    00226
    00228         double* m_pControlPoints;
    00229
    00230     };
    00231
    00233
    00235
    00237
    00238   }
    00239
    00240 }
    00241
    00242 #endif