53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
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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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* @file perlinNoise.h
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* @author drose
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* @date 2005-10-05
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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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* This is the base class for PerlinNoise2 and PerlinNoise3, different
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* dimensions of Perlin noise implementation. The base class just collects
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* the 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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