forked from FastLED/FastLED
-
Notifications
You must be signed in to change notification settings - Fork 1
/
noise.h
116 lines (94 loc) · 5.41 KB
/
noise.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
#ifndef __INC_NOISE_H
#define __INC_NOISE_H
#if 0
/// Class for accessing 16 bit noise. Provides methods for setting origin, scale,
/// frequency, alplitude, time, octave blurring
class CFastNoise16 {
public:
CFastNoise16 &setOrigin(uint32_t x, uint32_t y, uint32_t z);
CFastNoise16 &setOrigin(uint32_t x, uint32_t y);
CFastNoise16 &setOrigin(uint32_t x);
uint32_t getX();
uint32_t getY();
uint32_t getZ();
uint32_t getTime();
uint32_t getOrigin(uint32_t & x, uint32_t & y, uint32_t & z);
uint32_t getOrigin(uint32_t & x, uint32_t & y);
uint32_t getOrigin(uint32_t & x);
CFastNoise16 &advance(int32_t x, int32_t y, int32_t z);
CFastNoise16 &advance(int32_t x, int32_t y;
CFastNoise16 &advance(int32_t x);
CFastNoise16 &advanceTime(int32_t t);
CFastNoise16 &setScale(int32_t x_scale, int32_t y_scale, int32_t z_scale);
CFastNoise16 &setScale(int32_t x_scale, int32_t y_scale);
CFastNoise16 &setScale(int32_t x_scale);
int32_t getScaleX();
int32_t getScaleY();
int32_t getScaleZ();
void getScale(int32_t & x, int32_t & y, int32_t & z);
void getScale(int32_t & x, int32_t & y);
void getScale(int32_t & x);
CFastNoise16 &setAmplitude(fract16 amplitude);
CFastNoise16 &setFrequency(q88 frequency);
CFastNoise16 &setTime(uint32_t time);
CFastNoise16 &setOctaves(int octaves);
CFastNoise16 &setOctaveBlur(bool blurOctaves);
void getNoise(uint32_t x, uint32_t y, uint32_t z);
void getNoise(uint32_t x, uint32_t y);
void getNoise(uint32_t x);
void fillNoise(uint16_t *pData, int size);
void fillNoise(uint16_t *pData, int width, int height);
void fillNoise(uint16_t *pData, int width, int height, int depth);
void fillNoise(uint8_t *pData, int size);
void fillNoise(uint8_t *pData, int width, int height);
void fillNoise(uint8_t *pData, int width, int height, int depth);
};
#endif
// 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);
// 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);
// 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);
// 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);
// 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.
void fill_raw_noise8(uint8_t *pData, uint8_t num_points, uint8_t octaves, uint16_t x, int scale, uint16_t time);
void fill_raw_noise16into8(uint8_t *pData, uint8_t num_points, uint8_t octaves, uint32_t x, int scale, 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);
// 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);
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);
#endif