OgreVolumeSimplexNoise.h
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/*
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This source file is part of OGRE
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For the latest info, see http://www.ogre3d.org/
Copyright (c) 2000-2013 Torus Knot Software Ltd
Permission is hereby granted, free of charge, to any person obtaining a copy
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#ifndef __Ogre_Simplex_Noise_H__
#define __Ogre_Simplex_Noise_H__
#include "OgreVector3.h"
#include "OgreVolumePrerequisites.h"
namespace Ogre {
namespace Volume {
class _OgreVolumeExport SimplexNoise
{
private:
static Real F3;
static Real G3;
long mSeed;
short perm[512];
short permMod12[512];
/* Gets a random long.
@return
A random long.
*/
unsigned long random(void);
inline Real dot(const Vector3 &g, Real x, Real y, Real z) const
{
return g.x * x + g.y * y + g.z * z;
}
void init(unsigned long definedSeed);
public:
SimplexNoise(void);
SimplexNoise(unsigned long definedSeed);
Real noise(Real xIn, Real yIn, Real zIn) const;
long getSeed(void) const;
};
}
}
#endif
Ogre::Vector3::z
Real z
Definition: OgreVector3.h:54
OgreVector3.h
Ogre::Real
float Real
Software floating point type.
Definition: OgrePrerequisites.h:70
Ogre::Vector3
Standard 3-dimensional vector.
Definition: OgreVector3.h:51
Ogre::Vector3::y
Real y
Definition: OgreVector3.h:54
Ogre::Volume::SimplexNoise::G3
static Real G3
Skewing and unskewing factor for 3 dimensions.
Definition: OgreVolumeSimplexNoise.h:50
OgreVolumePrerequisites.h
Ogre::Volume::SimplexNoise::mSeed
long mSeed
Random seed.
Definition: OgreVolumeSimplexNoise.h:53
Ogre::Vector3::x
Real x
Definition: OgreVector3.h:54
Ogre
Definition: OgreAndroidLogListener.h:34
Ogre::Volume::SimplexNoise::F3
static Real F3
Skewing and unskewing factor for 3 dimensions.
Definition: OgreVolumeSimplexNoise.h:47
Ogre::Volume::SimplexNoise::dot
Real dot(const Vector3 &g, Real x, Real y, Real z) const
Dot product of a gradient with the given values.
Definition: OgreVolumeSimplexNoise.h:79
Ogre::Volume::SimplexNoise
Simplex Noise ported from public domain Java Implementation http://webstaff.itn.liu.se/~stegu/simplexnoise/SimplexNoise.java Thanks Stefan Gustavson!
Definition: OgreVolumeSimplexNoise.h:42
_OgreVolumeExport
#define _OgreVolumeExport
Definition: OgreVolumePrerequisites.h:43

Copyright © 2012 Torus Knot Software Ltd
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