cstool/noise/module/displace.h
00001 // displace.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_DISPLACE_H 00024 #define NOISE_MODULE_DISPLACE_H 00025 00026 #include "modulebase.h" 00027 00028 namespace CS { 00029 namespace Math { 00030 namespace Noise { 00031 namespace Module { 00032 00035 00038 00042 00068 class CS_CRYSTALSPACE_EXPORT Displace: public Module 00069 { 00070 00071 public: 00072 00074 Displace (); 00075 00076 virtual int GetSourceModuleCount () const 00077 { 00078 return 4; 00079 } 00080 00081 virtual double GetValue (double x, double y, double z) const; 00082 00097 const Module& GetXDisplaceModule () const 00098 { 00099 if (m_pSourceModule == NULL || m_pSourceModule[1] == NULL) { 00100 //throw CS::Math::Noise::ExceptionNoModule (); 00101 CS_ASSERT (false); 00102 } 00103 return *(m_pSourceModule[1]); 00104 } 00105 00120 const Module& GetYDisplaceModule () const 00121 { 00122 if (m_pSourceModule == NULL || m_pSourceModule[2] == NULL) { 00123 //throw CS::Math::Noise::ExceptionNoModule (); 00124 CS_ASSERT (false); 00125 } 00126 return *(m_pSourceModule[2]); 00127 } 00128 00143 const Module& GetZDisplaceModule () const 00144 { 00145 if (m_pSourceModule == NULL || m_pSourceModule[3] == NULL) { 00146 //throw CS::Math::Noise::ExceptionNoModule (); 00147 CS_ASSERT (false); 00148 } 00149 return *(m_pSourceModule[3]); 00150 } 00151 00172 void SetDisplaceModules (const Module& xDisplaceModule, 00173 const Module& yDisplaceModule, const Module& zDisplaceModule) 00174 { 00175 SetXDisplaceModule (xDisplaceModule); 00176 SetYDisplaceModule (yDisplaceModule); 00177 SetZDisplaceModule (zDisplaceModule); 00178 } 00179 00197 void SetXDisplaceModule (const Module& xDisplaceModule) 00198 { 00199 assert (m_pSourceModule != NULL); 00200 m_pSourceModule[1] = &xDisplaceModule; 00201 } 00202 00220 void SetYDisplaceModule (const Module& yDisplaceModule) 00221 { 00222 assert (m_pSourceModule != NULL); 00223 m_pSourceModule[2] = &yDisplaceModule; 00224 } 00225 00243 void SetZDisplaceModule (const Module& zDisplaceModule) 00244 { 00245 assert (m_pSourceModule != NULL); 00246 m_pSourceModule[3] = &zDisplaceModule; 00247 } 00248 00249 }; 00250 00252 00254 00256 00257 } // namespace Module 00258 } // namespace Noise 00259 } // namespace Math 00260 } // namespace CS 00261 00262 #endif
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