nevrax.org : docs

00001 
+00007 /* Copyright, 2001 Nevrax Ltd.
+00008  *
+00009  * This file is part of NEVRAX NEL.
+00010  * NEVRAX NEL is free software; you can redistribute it and/or modify
+00011  * it under the terms of the GNU General Public License as published by
+00012  * the Free Software Foundation; either version 2, or (at your option)
+00013  * any later version.
+00014 
+00015  * NEVRAX NEL is distributed in the hope that it will be useful, but
+00016  * WITHOUT ANY WARRANTY; without even the implied warranty of
+00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+00018  * General Public License for more details.
+00019 
+00020  * You should have received a copy of the GNU General Public License
+00021  * along with NEVRAX NEL; see the file COPYING. If not, write to the
+00022  * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+00023  * MA 02111-1307, USA.
+00024  */
+00025 
+00026 #ifndef NL_NOISE_VALUE_H
+00027 #define NL_NOISE_VALUE_H
+00028 
+00029 #include "nel/misc/types_nl.h"
+00030 #include "nel/misc/vector.h"
+00031 #include "nel/misc/stream.h"
+00032 #include "nel/misc/rgba.h"
+00033 
+00034 
+00035 namespace NL3D 
+00036 {
+00037 
+00038 
+00039 using NLMISC::CVector;
+00040 
+00041 
+00042 // ***************************************************************************
+00049 class   CNoiseValue
+00050 {
+00051 public:
+00052         float   Abs;
+00053         float   Rand;
+00054         float   Frequency;
+00055 
+00056 public:
+00058         CNoiseValue();
+00059         CNoiseValue(float abs, float rand, float freq);
+00060 
+00064         float   eval(const CVector &posInWorld) const;
+00065 
+00069         float   evalOneLevelRandom(const CVector &posInWorld) const;
+00070 
+00071 
+00072         void    serial(NLMISC::IStream &f);
+00073 
+00074 // *******************
+00075 private:
+00077         float   noise(const CVector &pos) const;
+00078         float   evalRandom(const CVector &pos) const;
+00079 };
+00080 
+00081 
+00082 // ***************************************************************************
+00089 class   CNoiseColorGradient
+00090 {
+00091 public:
+00093         CNoiseValue                                     NoiseValue;
+00094         std::vector<NLMISC::CRGBAF>     Gradients;
+00095 
+00096 
+00097 public:
+00102         void    eval(const CVector &posInWorld, NLMISC::CRGBAF &result) const;
+00103 
+00104         void    serial(NLMISC::IStream &f);
+00105 };
+00106 
+00107 
+00108 
+00109 } // NL3D
+00110 
+00111 
+00112 #endif // NL_NOISE_VALUE_H
+00113 
+00114 /* End of noise_value.h */
+