noise.h File Reference

Detailed Description

Functions to generate and fill arrays with noise.

Definition in file noise.h.

#include <stdint.h>
#include "crgb.h"
#include "namespace.h"
#include "qfx.h"

Go to the source code of this file.

Functions
16-Bit Scaled Noise Functions
uint16_t	inoise16 (uint32_t x, uint32_t y, uint32_t z)
	16-bit, fixed point implementation of Perlin's noise.
uint16_t	inoise16 (uint32_t x, uint32_t y)
	16-bit, fixed point implementation of Perlin's noise.
uint16_t	inoise16 (uint32_t x)
	16-bit, fixed point implementation of Perlin's noise.
16-Bit Raw Noise 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.
int16_t	inoise16_raw (uint32_t x, uint32_t y)
	16-bit, fixed point implementation of Perlin's noise without scaling.
int16_t	inoise16_raw (uint32_t x)
	16-bit, fixed point implementation of Perlin's noise without scaling.
8-Bit Scaled Noise Functions
uint8_t	inoise8 (uint16_t x, uint16_t y, uint16_t z)
	8-Bit, fixed point implementation of Perlin's noise.
uint8_t	inoise8 (uint16_t x, uint16_t y)
	8-Bit, fixed point implementation of Perlin's noise.
uint8_t	inoise8 (uint16_t x)
	8-Bit, fixed point implementation of Perlin's noise.
8-Bit Raw Noise Functions
int8_t	inoise8_raw (uint16_t x, uint16_t y, uint16_t z)
	8-bit, fixed point implementation of Perlin's noise without scaling.
int8_t	inoise8_raw (uint16_t x, uint16_t y)
	8-bit, fixed point implementation of Perlin's noise without scaling.
int8_t	inoise8_raw (uint16_t x)
	8-bit, fixed point implementation of Perlin's noise without scaling.
32 bit simplex noise functions
uint16_t	snoise16 (uint32_t x)
uint16_t	snoise16 (uint32_t x, uint32_t y)
uint16_t	snoise16 (uint32_t x, uint32_t y, uint32_t z)
uint16_t	snoise16 (uint32_t x, uint32_t y, uint32_t z, uint32_t w)
Raw Fill Functions
Fill a 1D or 2D array with generated noise.
void	fill_raw_noise8 (uint8_t *pData, uint8_t num_points, uint8_t octaves, uint16_t x, int scalex, 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 scalex, 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, 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_2dnoise16into8 (uint8_t *pData, int width, int height, uint8_t octaves, 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_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()
Fill Functions
Fill an LED array with colors based on noise. Colors are calculated using noisemaps, randomly selecting hue and value (brightness) points with full saturation (255).
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=0)
	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=0)
	Fill an LED matrix with random colors, using 16-bit noise.