#include <noise.h>

Inheritance diagram for SimplexNoise:

Public Member Functions
	SimplexNoise ()
	Empty.

	~SimplexNoise ()
	Empty.

double	At (const Vector &) const
	Compute the simplex noise at a given point. More...

double	K () const
	Return the global Lipschitz constant of the noise.

Protected Member Functions
double	dot (const int *, const double &, const double &, const double &) const
	Scalar product.

Static Protected Attributes
static const int	grad3 [12][3]
	Array of gradients for 3D noise.

static const int	perm [512]
	Permutation table, 256 entries duplicated once to avoid modulo computations.

static const double	G3 = 1.0 / 6.0
	Unskew factors for 3D case.

Detailed Description

Simplex noise functions.

Simplex noise functions return random values in [-1,+1] interval.

The gradient for the 2D simplex noise are defined as:

The permutation table is defined as:

Member Function Documentation

double SimplexNoise::At ( const Vector & p ) const

Compute the simplex noise at a given point.

Parameters

p Point.