Panda3D
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00001 // Filename: perlinNoise3.h 00002 // Created by: drose (05Oct05) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 #ifndef PERLINNOISE3_H 00016 #define PERLINNOISE3_H 00017 00018 #include "pandabase.h" 00019 #include "perlinNoise.h" 00020 00021 //////////////////////////////////////////////////////////////////// 00022 // Class : PerlinNoise3 00023 // Description : This class provides an implementation of Perlin noise 00024 // for 3 variables. This code is loosely based on the 00025 // reference implementation at 00026 // http://mrl.nyu.edu/~perlin/noise/ . 00027 //////////////////////////////////////////////////////////////////// 00028 class EXPCL_PANDA_MATHUTIL PerlinNoise3 : public PerlinNoise { 00029 PUBLISHED: 00030 INLINE PerlinNoise3(); 00031 INLINE PerlinNoise3(double sx, double sy, double sz, 00032 int table_size = 256, unsigned long seed = 0); 00033 INLINE PerlinNoise3(const PerlinNoise3 ©); 00034 INLINE void operator = (const PerlinNoise3 ©); 00035 00036 INLINE void set_scale(double scale); 00037 INLINE void set_scale(double sx, double sy, double sz); 00038 INLINE void set_scale(const LVecBase3f &scale); 00039 INLINE void set_scale(const LVecBase3d &scale); 00040 00041 INLINE double noise(double x, double y, double z) const; 00042 INLINE float noise(const LVecBase3f &value) const; 00043 double noise(const LVecBase3d &value) const; 00044 00045 INLINE double operator ()(double x, double y, double z) const; 00046 INLINE float operator ()(const LVecBase3f &value) const; 00047 INLINE double operator ()(const LVecBase3d &value) const; 00048 00049 private: 00050 void init_unscaled_xform(); 00051 INLINE static double grad(int hash, double x, double y, double z); 00052 00053 private: 00054 LMatrix4d _unscaled_xform; 00055 LMatrix4d _input_xform; 00056 }; 00057 00058 #include "perlinNoise3.I" 00059 00060 #endif 00061