PseudoNoise.h

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/* SPDX-FileCopyrightText: 2023 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include "Precision.h"
 
#ifdef WITH_CXX_GUARDEDALLOC
#  include "MEM_guardedalloc.h"
#endif
 
namespace Freestyle {
 
class PseudoNoise {
 public:
  virtual ~PseudoNoise() {}
 
  real smoothNoise(real x);
  real linearNoise(real x);
 
  real turbulenceSmooth(real x, uint nbOctave = 8);
  real turbulenceLinear(real x, uint nbOctave = 8);
 
  static void init(long seed);
 
 protected:
  static const uint NB_VALUE_NOISE = 512;
  static real _values[NB_VALUE_NOISE];
 
#ifdef WITH_CXX_GUARDEDALLOC
  MEM_CXX_CLASS_ALLOC_FUNCS("Freestyle:PseudoNoise")
#endif
};
 
} /* namespace Freestyle */