Campbell Barton
e12c08e8d1
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61 lines
1.5 KiB
C++
61 lines
1.5 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef __FREESTYLE_PSEUDO_NOISE_H__
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#define __FREESTYLE_PSEUDO_NOISE_H__
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/** \file
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* \ingroup freestyle
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* \brief Class to define a pseudo Perlin noise
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*/
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#include "Precision.h"
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#ifdef WITH_CXX_GUARDEDALLOC
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# include "MEM_guardedalloc.h"
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#endif
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namespace Freestyle {
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class PseudoNoise {
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public:
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PseudoNoise();
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virtual ~PseudoNoise()
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{
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}
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real smoothNoise(real x);
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real linearNoise(real x);
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real turbulenceSmooth(real x, unsigned nbOctave = 8);
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real turbulenceLinear(real x, unsigned nbOctave = 8);
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static void init(long seed);
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protected:
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static const unsigned NB_VALUE_NOISE = 512;
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static real _values[NB_VALUE_NOISE];
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#ifdef WITH_CXX_GUARDEDALLOC
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MEM_CXX_CLASS_ALLOC_FUNCS("Freestyle:PseudoNoise")
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#endif
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};
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} /* namespace Freestyle */
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#endif // __FREESTYLE_PSEUDO_NOISE_H__
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