58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
/**
|
|
* PANDA 3D SOFTWARE
|
|
* Copyright (c) Carnegie Mellon University. All rights reserved.
|
|
*
|
|
* All use of this software is subject to the terms of the revised BSD
|
|
* license. You should have received a copy of this license along
|
|
* with this source code in a file named "LICENSE."
|
|
*
|
|
* @file perlinNoise3.h
|
|
* @author drose
|
|
* @date 2005-10-05
|
|
*/
|
|
|
|
#ifndef PERLINNOISE3_H
|
|
#define PERLINNOISE3_H
|
|
|
|
#include "pandabase.h"
|
|
#include "perlinNoise.h"
|
|
|
|
/**
|
|
* This class provides an implementation of Perlin noise for 3 variables.
|
|
* This code is loosely based on the reference implementation at
|
|
* http://mrl.nyu.edu/~perlin/noise/ .
|
|
*/
|
|
class EXPCL_PANDA_MATHUTIL PerlinNoise3 : public PerlinNoise {
|
|
PUBLISHED:
|
|
INLINE PerlinNoise3();
|
|
INLINE explicit PerlinNoise3(double sx, double sy, double sz,
|
|
int table_size = 256,
|
|
unsigned long seed = 0);
|
|
INLINE PerlinNoise3(const PerlinNoise3 ©);
|
|
INLINE void operator = (const PerlinNoise3 ©);
|
|
|
|
INLINE void set_scale(double scale);
|
|
INLINE void set_scale(double sx, double sy, double sz);
|
|
INLINE void set_scale(const LVecBase3f &scale);
|
|
INLINE void set_scale(const LVecBase3d &scale);
|
|
|
|
INLINE double noise(double x, double y, double z) const;
|
|
INLINE float noise(const LVecBase3f &value) const;
|
|
double noise(const LVecBase3d &value) const;
|
|
|
|
INLINE double operator ()(double x, double y, double z) const;
|
|
INLINE float operator ()(const LVecBase3f &value) const;
|
|
INLINE double operator ()(const LVecBase3d &value) const;
|
|
|
|
private:
|
|
void init_unscaled_xform();
|
|
INLINE static double grad(int hash, double x, double y, double z);
|
|
|
|
private:
|
|
LMatrix4d _unscaled_xform;
|
|
LMatrix4d _input_xform;
|
|
};
|
|
|
|
#include "perlinNoise3.I"
|
|
|
|
#endif
|