cstool/noise/module/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 CS { 00029 namespace Math { 00030 namespace Noise { 00031 namespace Module { 00032 00035 00038 00041 00072 class CS_CRYSTALSPACE_EXPORT Terrace: public Module 00073 { 00074 00075 public: 00076 00078 Terrace (); 00079 00081 ~Terrace (); 00082 00097 void AddControlPoint (double value); 00098 00102 void ClearAllControlPoints (); 00103 00120 const double* GetControlPointArray () const 00121 { 00122 return m_pControlPoints; 00123 } 00124 00129 int GetControlPointCount () const 00130 { 00131 return m_controlPointCount; 00132 } 00133 00134 virtual int GetSourceModuleCount () const 00135 { 00136 return 1; 00137 } 00138 00144 void InvertTerraces (bool invert = true) 00145 { 00146 m_invertTerraces = invert; 00147 } 00148 00156 bool IsTerracesInverted () const 00157 { 00158 return m_invertTerraces; 00159 } 00160 00161 virtual double GetValue (double x, double y, double z) const; 00162 00180 void MakeControlPoints (int controlPointCount); 00181 00182 protected: 00183 00200 int FindInsertionPos (double value); 00201 00217 void InsertAtPos (int insertionPos, double value); 00218 00220 int m_controlPointCount; 00221 00224 bool m_invertTerraces; 00225 00227 double* m_pControlPoints; 00228 00229 }; 00230 00232 00234 00236 00237 } // namespace Module 00238 } // namespace Noise 00239 } // namespace Math 00240 } // namespace CS 00241 00242 #endif
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