Detailed Description

Functions to generate and fill arrays with noise.

Definition in file noise.h.

#include "fl/stl/stdint.h"
#include "crgb.h"
#include "chsv.h"
#include "fl/gfx/hsv16.h"
#include "fl/math/math.h"
#include "fl/math/qfx.h"
#include "fl/math/intmap.h"
#include "fl/gfx/noise/noise.h"
#include "fl/stl/noexcept.h"

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Functions
16-Bit Scaled Noise Functions
fl::u16	inoise16 (fl::u32 x) FL_NO_EXCEPT
	16-bit, fixed point implementation of Perlin's noise.

fl::u16	inoise16 (fl::u32 x, fl::u32 y) FL_NO_EXCEPT

fl::u16	inoise16 (fl::u32 x, fl::u32 y, fl::u32 z) FL_NO_EXCEPT

fl::u16	inoise16 (fl::u32 x, fl::u32 y, fl::u32 z, fl::u32 t) FL_NO_EXCEPT

16-Bit Raw Noise Functions
fl::i16	inoise16_raw (fl::u32 x) FL_NO_EXCEPT
	16-bit, fixed point implementation of Perlin's noise without scaling.

fl::i16	inoise16_raw (fl::u32 x, fl::u32 y) FL_NO_EXCEPT

fl::i16	inoise16_raw (fl::u32 x, fl::u32 y, fl::u32 z) FL_NO_EXCEPT

fl::i16	inoise16_raw (fl::u32 x, fl::u32 y, fl::u32 z, fl::u32 w) FL_NO_EXCEPT

8-Bit Scaled Noise Functions
fl::u8	inoise8 (fl::u16 x) FL_NO_EXCEPT
	8-Bit, fixed point implementation of Perlin's noise.

fl::u8	inoise8 (fl::u16 x, fl::u16 y) FL_NO_EXCEPT

fl::u8	inoise8 (fl::u16 x, fl::u16 y, fl::u16 z) FL_NO_EXCEPT

8-Bit Raw Noise Functions
fl::i8	inoise8_raw (fl::u16 x) FL_NO_EXCEPT
	8-bit, fixed point implementation of Perlin's noise without scaling.

fl::i8	inoise8_raw (fl::u16 x, fl::u16 y) FL_NO_EXCEPT

fl::i8	inoise8_raw (fl::u16 x, fl::u16 y, fl::u16 z) FL_NO_EXCEPT

32-Bit Simplex Noise Functions
fl::u16	snoise16 (fl::u32 x) FL_NO_EXCEPT
	32 bit, fixed point implementation of simplex noise functions.

fl::u16	snoise16 (fl::u32 x, fl::u32 y) FL_NO_EXCEPT

fl::u16	snoise16 (fl::u32 x, fl::u32 y, fl::u32 z) FL_NO_EXCEPT

fl::u16	snoise16 (fl::u32 x, fl::u32 y, fl::u32 z, fl::u32 w) FL_NO_EXCEPT

Raw Fill Functions
Fill a 1D or 2D array with generated noise.
void	fill_raw_2dnoise16 (fl::u16 *pData, int width, int height, fl::u8 octaves, fl::q88 freq88, fract16 amplitude, int skip, fl::u32 x, fl::i32 scalex, fl::u32 y, fl::i32 scaley, fl::u32 time) FL_NO_EXCEPT
	Fill a 2D 16-bit buffer with noise, using inoise16()

void	fill_raw_2dnoise16into8 (fl::u8 *pData, int width, int height, fl::u8 octaves, fl::q44 freq44, fract8 amplitude, int skip, fl::u32 x, fl::i32 scalex, fl::u32 y, fl::i32 scaley, fl::u32 time) FL_NO_EXCEPT
	Fill a 2D 8-bit buffer with noise, using inoise16()

void	fill_raw_2dnoise16into8 (fl::u8 *pData, int width, int height, fl::u8 octaves, fl::u32 x, fl::i32 scalex, fl::u32 y, fl::i32 scaley, fl::u32 time) FL_NO_EXCEPT
	Fill a 2D 8-bit buffer with noise, using inoise16()

void	fill_raw_2dnoise8 (fl::u8 *pData, int width, int height, fl::u8 octaves, fl::q44 freq44, fract8 amplitude, int skip, fl::u16 x, fl::i16 scalex, fl::u16 y, fl::i16 scaley, fl::u16 time) FL_NO_EXCEPT
	Fill a 2D 8-bit buffer with noise, using inoise8()

void	fill_raw_2dnoise8 (fl::u8 *pData, int width, int height, fl::u8 octaves, fl::u16 x, fl::i16 scalex, fl::u16 y, fl::i16 scaley, fl::u16 time) FL_NO_EXCEPT
	Fill a 2D 8-bit buffer with noise, using inoise8()

void	fill_raw_2dnoise8 (fl::u8 *pData, int width, int height, fl::u8 octaves, fl::u16 x, int scalex, fl::u16 y, int scaley, fl::u16 time) FL_NO_EXCEPT

void	fill_raw_noise16into8 (fl::u8 *pData, fl::u8 num_points, fl::u8 octaves, fl::u32 x, int scalex, fl::u32 time) FL_NO_EXCEPT
	Fill a 1D 8-bit buffer with noise, using inoise16()

void	fill_raw_noise8 (fl::u8 *pData, fl::u8 num_points, fl::u8 octaves, fl::u16 x, int scalex, fl::u16 time) FL_NO_EXCEPT
	Fill a 1D 8-bit buffer with noise, using inoise8()

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_2dnoise16 (CRGB *leds, int width, int height, bool serpentine, fl::u8 octaves, fl::u32 x, int xscale, fl::u32 y, int yscale, fl::u32 time, fl::u8 hue_octaves, fl::u16 hue_x, int hue_xscale, fl::u16 hue_y, fl::u16 hue_yscale, fl::u16 hue_time, bool blend, fl::u16 hue_shift=0) FL_NO_EXCEPT
	Fill an LED matrix with random colors, using 16-bit noise.

void	fill_2dnoise8 (CRGB *leds, int width, int height, bool serpentine, fl::u8 octaves, fl::u16 x, int xscale, fl::u16 y, int yscale, fl::u16 time, fl::u8 hue_octaves, fl::u16 hue_x, int hue_xscale, fl::u16 hue_y, fl::u16 hue_yscale, fl::u16 hue_time, bool blend) FL_NO_EXCEPT
	Fill an LED matrix with random colors, using 8-bit noise.

void	fill_noise16 (CRGB *leds, int num_leds, fl::u8 octaves, fl::u16 x, int scale, fl::u8 hue_octaves, fl::u16 hue_x, int hue_scale, fl::u16 time, fl::u8 hue_shift=0) FL_NO_EXCEPT
	Fill an LED array with random colors, using 16-bit noise.

void	fill_noise8 (CRGB *leds, int num_leds, fl::u8 octaves, fl::u16 x, int scale, fl::u8 hue_octaves, fl::u16 hue_x, int hue_scale, fl::u16 time) FL_NO_EXCEPT
	Fill an LED array with random colors, using 8-bit noise.