63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
// Filename: stackedPerlinNoise3.h
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// Created by: drose (05Oct05)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) Carnegie Mellon University. All rights reserved.
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//
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// All use of this software is subject to the terms of the revised BSD
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// license. You should have received a copy of this license along
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// with this source code in a file named "LICENSE."
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//
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////////////////////////////////////////////////////////////////////
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#ifndef STACKEDPERLINNOISE3_H
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#define STACKEDPERLINNOISE3_H
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#include "pandabase.h"
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#include "perlinNoise3.h"
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#include "pvector.h"
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////////////////////////////////////////////////////////////////////
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// Class : StackedPerlinNoise3
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// Description : Implements a multi-layer PerlinNoise, with one or
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// more high-frequency noise functions added to a
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// lower-frequency base noise function.
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDA_MATHUTIL StackedPerlinNoise3 {
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PUBLISHED:
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INLINE StackedPerlinNoise3();
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StackedPerlinNoise3(double sx, double sy, double sz, int num_levels = 3,
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double scale_factor = 4.0f, double amp_scale = 0.5f,
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int table_size = 256, unsigned long seed = 0);
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StackedPerlinNoise3(const StackedPerlinNoise3 ©);
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void operator = (const StackedPerlinNoise3 ©);
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void add_level(const PerlinNoise3 &level, double amp = 1.0);
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void clear();
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INLINE double noise(double x, double y, double z);
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INLINE float noise(const LVecBase3f &value);
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double noise(const LVecBase3d &value);
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INLINE double operator ()(double x, double y, double z);
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INLINE float operator ()(const LVecBase3f &value);
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INLINE double operator ()(const LVecBase3d &value);
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private:
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class Noise {
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public:
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PerlinNoise3 _noise;
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double _amp;
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};
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typedef pvector<Noise> Noises;
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Noises _noises;
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};
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#include "stackedPerlinNoise3.I"
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#endif
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