56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
// Filename: perlinNoise.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 PERLINNOISE_H
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#define PERLINNOISE_H
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#include "pandabase.h"
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#include "pvector.h"
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#include "vector_int.h"
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#include "luse.h"
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#include "randomizer.h"
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////////////////////////////////////////////////////////////////////
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// Class : PerlinNoise
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// Description : This is the base class for PerlinNoise2 and
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// PerlinNoise3, different dimensions of Perlin noise
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// implementation. The base class just collects the
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// common functionality.
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDA_MATHUTIL PerlinNoise {
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protected:
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PerlinNoise(int table_size, unsigned long seed);
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PerlinNoise(const PerlinNoise ©);
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void operator = (const PerlinNoise ©);
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INLINE static double fade(double t);
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INLINE static double lerp(double t, double a, double b);
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PUBLISHED:
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INLINE unsigned long get_seed();
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protected:
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int _table_size;
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int _table_size_mask;
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Randomizer _randomizer;
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typedef vector_int Index;
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Index _index;
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};
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#include "perlinNoise.I"
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#endif
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