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Diffstat (limited to 'Библиотеки/FastLED-master/noise.h')
| -rw-r--r-- | Библиотеки/FastLED-master/noise.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/Библиотеки/FastLED-master/noise.h b/Библиотеки/FastLED-master/noise.h new file mode 100644 index 0000000..7355e23 --- /dev/null +++ b/Библиотеки/FastLED-master/noise.h @@ -0,0 +1,97 @@ +#ifndef __INC_NOISE_H +#define __INC_NOISE_H + +#include "FastLED.h" + +FASTLED_NAMESPACE_BEGIN + +///@file noise.h +/// Noise functions provided by the library. + +///@defgroup Noise Noise functions +///Simplex noise function definitions +///@{ +/// @name scaled 16 bit noise functions +///@{ +/// 16 bit, fixed point implementation of perlin's Simplex Noise. Coordinates are +/// 16.16 fixed point values, 32 bit integers with integral coordinates in the high 16 +/// bits and fractional in the low 16 bits, and the function takes 1d, 2d, and 3d coordinate +/// values. These functions are scaled to return 0-65535 + +extern uint16_t inoise16(uint32_t x, uint32_t y, uint32_t z); +extern uint16_t inoise16(uint32_t x, uint32_t y); +extern uint16_t inoise16(uint32_t x); +///@} + +/// @name raw 16 bit noise functions +//@{ +/// 16 bit raw versions of the noise functions. These values are not scaled/altered and have +/// output values roughly in the range (-18k,18k) +extern int16_t inoise16_raw(uint32_t x, uint32_t y, uint32_t z); +extern int16_t inoise16_raw(uint32_t x, uint32_t y); +extern int16_t inoise16_raw(uint32_t x); +///@} + +/// @name 8 bit scaled noise functions +///@{ +/// 8 bit, fixed point implementation of perlin's Simplex Noise. Coordinates are +/// 8.8 fixed point values, 16 bit integers with integral coordinates in the high 8 +/// bits and fractional in the low 8 bits, and the function takes 1d, 2d, and 3d coordinate +/// values. These functions are scaled to return 0-255 +extern uint8_t inoise8(uint16_t x, uint16_t y, uint16_t z); +extern uint8_t inoise8(uint16_t x, uint16_t y); +extern uint8_t inoise8(uint16_t x); +///@} + +/// @name 8 bit raw noise functions +///@{ +/// 8 bit raw versions of the noise functions. These values are not scaled/altered and have +/// output values roughly in the range (-70,70) +extern int8_t inoise8_raw(uint16_t x, uint16_t y, uint16_t z); +extern int8_t inoise8_raw(uint16_t x, uint16_t y); +extern int8_t inoise8_raw(uint16_t x); +///@} + +///@name raw fill functions +///@{ +/// Raw noise fill functions - fill into a 1d or 2d array of 8-bit values using either 8-bit noise or 16-bit noise +/// functions. +///@param pData the array of data to write into +///@param num_points the number of points of noise to compute +///@param octaves the number of octaves to use for noise +///@param x the x position in the noise field +///@param y the y position in the noise field for 2d functions +///@param scalex the scale (distance) between x points when filling in noise +///@param scaley the scale (distance) between y points when filling in noise +///@param time the time position for the noise field +void fill_raw_noise8(uint8_t *pData, uint8_t num_points, uint8_t octaves, uint16_t x, int scalex, uint16_t time); +void fill_raw_noise16into8(uint8_t *pData, uint8_t num_points, uint8_t octaves, uint32_t x, int scalex, uint32_t time); +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_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_raw_2dnoise16(uint16_t *pData, int width, int height, uint8_t octaves, q88 freq88, fract16 amplitude, int skip, uint32_t x, int scalex, uint32_t y, int scaley, uint32_t time); +void fill_raw_2dnoise16into8(uint8_t *pData, int width, int height, uint8_t octaves, q44 freq44, fract8 amplitude, int skip, uint32_t x, int scalex, uint32_t y, int scaley, uint32_t time); +///@} + +///@name fill functions +///@{ +/// fill functions to fill leds with values based on noise functions. These functions use the fill_raw_* functions as appropriate. +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); +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); +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); +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); + +FASTLED_NAMESPACE_END +///@} + +#endif |