Detailed Description

Functions to generate and fill arrays with noise.

Definition in file noise.cpp.

#include <string.h>
#include "FastLED.h"

Macros
#define	VARIABLE_LENGTH_ARRAY_NEEDS_EMULATION 0

#define	VARIABLE_LENGTH_ARRAY(TYPE, NAME, SIZE) TYPE NAME[SIZE]

#define	FASTLED_INTERNAL
	Disables pragma messages and warnings.

#define	P(x) FL_PGM_READ_BYTE_NEAR(p + x)
	Reads a single byte from the p array.

Functions
int16_t	inoise16_raw (uint32_t x, uint32_t y, uint32_t z)
	16-bit, fixed point implementation of Perlin's noise without scaling.

uint16_t	inoise16 (uint32_t x, uint32_t y, uint32_t z)
	16-bit, fixed point implementation of Perlin's noise.

int16_t	inoise16_raw (uint32_t x, uint32_t y)
	16-bit, fixed point implementation of Perlin's noise without scaling.

uint16_t	inoise16 (uint32_t x, uint32_t y)
	16-bit, fixed point implementation of Perlin's noise.

int16_t	inoise16_raw (uint32_t x)
	16-bit, fixed point implementation of Perlin's noise without scaling.

uint16_t	inoise16 (uint32_t x)
	16-bit, fixed point implementation of Perlin's noise.

int8_t	inoise8_raw (uint16_t x, uint16_t y, uint16_t z)
	8-bit, fixed point implementation of Perlin's noise without scaling.

uint8_t	inoise8 (uint16_t x, uint16_t y, uint16_t z)
	8-Bit, fixed point implementation of Perlin's noise.

int8_t	inoise8_raw (uint16_t x, uint16_t y)
	8-bit, fixed point implementation of Perlin's noise without scaling.

uint8_t	inoise8 (uint16_t x, uint16_t y)
	8-Bit, fixed point implementation of Perlin's noise.

int8_t	inoise8_raw (uint16_t x)
	8-bit, fixed point implementation of Perlin's noise without scaling.

uint8_t	inoise8 (uint16_t x)
	8-Bit, fixed point implementation of Perlin's noise.

void	fill_raw_noise8 (uint8_t *pData, uint8_t num_points, uint8_t octaves, uint16_t x, int scale, uint16_t time)
	Fill a 1D 8-bit buffer with noise, using inoise8()

void	fill_raw_noise16into8 (uint8_t *pData, uint8_t num_points, uint8_t octaves, uint32_t x, int scale, uint32_t time)
	Fill a 1D 8-bit buffer with noise, using inoise16()

void	fill_raw_2dnoise8 (uint8_t *pData, int width, int height, uint8_t octaves, q44 freq44, fract8 amplitude, int skip, uint16_t x, int16_t scalex, uint16_t y, int16_t scaley, uint16_t time)
	Fill a 2D 8-bit buffer with noise, using inoise8()

void	fill_raw_2dnoise8 (uint8_t *pData, int width, int height, uint8_t octaves, uint16_t x, int scalex, uint16_t y, int scaley, uint16_t time)

void	fill_raw_2dnoise16 (uint16_t *pData, int width, int height, uint8_t octaves, q88 freq88, fract16 amplitude, int skip, uint32_t x, int32_t scalex, uint32_t y, int32_t scaley, uint32_t time)
	Fill a 2D 16-bit buffer with noise, using inoise16()

void	fill_raw_2dnoise16into8 (uint8_t *pData, int width, int height, uint8_t octaves, q44 freq44, fract8 amplitude, int skip, uint32_t x, int32_t scalex, uint32_t y, int32_t scaley, uint32_t time)
	Fill a 2D 8-bit buffer with noise, using inoise16()

void	fill_raw_2dnoise16into8 (uint8_t *pData, int width, int height, uint8_t octaves, uint32_t x, int scalex, uint32_t y, int scaley, uint32_t time)

void	fill_noise8 (CRGB *leds, int num_leds, uint8_t octaves, uint16_t x, int scale, uint8_t hue_octaves, uint16_t hue_x, int hue_scale, uint16_t time)
	Fill an LED array with random colors, using 8-bit noise.

void	fill_noise16 (CRGB *leds, int num_leds, uint8_t octaves, uint16_t x, int scale, uint8_t hue_octaves, uint16_t hue_x, int hue_scale, uint16_t time, uint8_t hue_shift)
	Fill an LED array with random colors, using 16-bit noise.

void	fill_2dnoise8 (CRGB *leds, int width, int height, bool serpentine, uint8_t octaves, uint16_t x, int xscale, uint16_t y, int yscale, uint16_t time, uint8_t hue_octaves, uint16_t hue_x, int hue_xscale, uint16_t hue_y, uint16_t hue_yscale, uint16_t hue_time, bool blend)
	Fill an LED matrix with random colors, using 8-bit noise.

void	fill_2dnoise16 (CRGB *leds, int width, int height, bool serpentine, uint8_t octaves, uint32_t x, int xscale, uint32_t y, int yscale, uint32_t time, uint8_t hue_octaves, uint16_t hue_x, int hue_xscale, uint16_t hue_y, uint16_t hue_yscale, uint16_t hue_time, bool blend, uint16_t hue_shift)
	Fill an LED matrix with random colors, using 16-bit noise.

Variables
int32_t	nmin =11111110
	Unused.

int32_t	nmax =0
	Unused.

Macro Definition Documentation

◆ FASTLED_INTERNAL

#define FASTLED_INTERNAL

Disables pragma messages and warnings.

Definition at line 26 of file noise.cpp.

◆ P

#define P ( x ) FL_PGM_READ_BYTE_NEAR(p + x)

Reads a single byte from the p array.

Definition at line 42 of file noise.cpp.

◆ VARIABLE_LENGTH_ARRAY

#define VARIABLE_LENGTH_ARRAY	(	TYPE,
		NAME,
		SIZE ) TYPE NAME[SIZE]

Definition at line 16 of file noise.cpp.

◆ VARIABLE_LENGTH_ARRAY_NEEDS_EMULATION

#define VARIABLE_LENGTH_ARRAY_NEEDS_EMULATION 0

Definition at line 12 of file noise.cpp.

Function Documentation

◆ fill_raw_2dnoise16into8()

void fill_raw_2dnoise16into8	(	uint8_t *	pData,
		int	width,
		int	height,
		uint8_t	octaves,
		uint32_t	x,
		int	scalex,
		uint32_t	y,
		int	scaley,
		uint32_t	time )

Definition at line 763 of file noise.cpp.

Variable Documentation

◆ nmax

int32_t nmax =0

Unused.

Todo: Remove?

Definition at line 728 of file noise.cpp.

◆ nmin

int32_t nmin =11111110