SimplexNoise4 Class Reference

Simplex noise functions. More...

#include <noise.h>

Public Member Functions
	SimplexNoise4 ()
	Empty.
	~SimplexNoise4 ()
	Empty.
double	Value (const Vector &, const double &) const
	Compute the simplex noise at a given point and time.
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 double &) const
	Scalar product.

Static Protected Attributes
static const int	grad4 [32][4]
	Array of gradients for 4D noise.
static const int	perm [512]
	Permutation table, 256 entries duplicated once to avoid modulo computations.
static const int	simplex [64][4]
	Simplex data for 4D noise.
static const double	G4 = (5.0 - sqrt(5.0)) / 20.0
	Unskew factors for 3D case.

Detailed Description

Simplex noise functions.

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

See also

Noise

Member Function Documentation

Value()

double SimplexNoise4::Value	(	const Vector &	p,
		const double &	w ) const

Compute the simplex noise at a given point and time.

Parameters

p	Point.
w	Time.