cstool/noise/module/curve.h
00001 // curve.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_CURVE_H 00024 #define NOISE_MODULE_CURVE_H 00025 00026 #include "modulebase.h" 00027 00028 namespace CS { 00029 namespace Math { 00030 namespace Noise { 00031 namespace Module { 00032 00035 00039 struct ControlPoint 00040 { 00041 00043 double inputValue; 00044 00046 double outputValue; 00047 00048 }; 00049 00052 00055 00080 class CS_CRYSTALSPACE_EXPORT Curve: public Module 00081 { 00082 00083 public: 00084 00086 Curve (); 00087 00089 ~Curve (); 00090 00102 void AddControlPoint (double inputValue, double outputValue); 00103 00107 void ClearAllControlPoints (); 00108 00119 const ControlPoint* GetControlPointArray () const 00120 { 00121 return m_pControlPoints; 00122 } 00123 00127 int GetControlPointCount () const 00128 { 00129 return m_controlPointCount; 00130 } 00131 00132 virtual int GetSourceModuleCount () const 00133 { 00134 return 1; 00135 } 00136 00137 virtual double GetValue (double x, double y, double z) const; 00138 00139 protected: 00140 00157 int FindInsertionPos (double inputValue); 00158 00175 void InsertAtPos (int insertionPos, double inputValue, 00176 double outputValue); 00177 00179 int m_controlPointCount; 00180 00182 ControlPoint* m_pControlPoints; 00183 00184 }; 00185 00187 00189 00191 00192 } // namespace Module 00193 } // namespace Noise 00194 } // namespace Math 00195 } // namespace CS 00196 00197 #endif
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