Perlin generator context. More...

#include <perlin.h>

Data Fields
double	period
	spatial repeat period, if negative it is ignored More...

int	octaves
	total number of components making up the noise, each one with doubled frequency More...

double	persistence
	ratio used to compute the amplitude of the next octave component with respect to the previous component More...

uint8_t	permutations [512]
	permutations array used to compute the Perlin noise hash More...

enum FFPerlinRandomMode	random_mode
	define how to compute the permutations array More...

unsigned int	random_seed
	when random_mode is set FF_PERLIN_RANDOM_MODE_RANDOM, set random seed used to compute the permutations array More...

Detailed Description

Perlin generator context.

This needs to be initialized with the parameters used to generate the Perlin noise.

Definition at line 42 of file perlin.h.

Field Documentation

double FFPerlin::period

spatial repeat period, if negative it is ignored

Definition at line 46 of file perlin.h.

int FFPerlin::octaves

total number of components making up the noise, each one with doubled frequency

Definition at line 52 of file perlin.h.

double FFPerlin::persistence

ratio used to compute the amplitude of the next octave component with respect to the previous component

Definition at line 58 of file perlin.h.

uint8_t FFPerlin::permutations[512]

permutations array used to compute the Perlin noise hash

Definition at line 63 of file perlin.h.

enum FFPerlinRandomMode FFPerlin::random_mode

define how to compute the permutations array

Definition at line 68 of file perlin.h.

unsigned int FFPerlin::random_seed

when random_mode is set FF_PERLIN_RANDOM_MODE_RANDOM, set random seed used to compute the permutations array

Definition at line 74 of file perlin.h.

The documentation for this struct was generated from the following file: