-
Notifications
You must be signed in to change notification settings - Fork 0
/
LightHelpers.ino
574 lines (486 loc) · 14.8 KB
/
LightHelpers.ino
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
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
void setPixel(int pixel, byte red, byte green, byte blue)
{
// #ifdef ADAFRUIT_NEOPIXEL_H
// // NeoPixel
// strip.setPixelColor(pixel, strip.Color(red, green, blue));
// #endif
#ifndef ADAFRUIT_NEOPIXEL_H
// FastLED
patternSettings.leds[pixel] = CRGB(red, green, blue);
// patternSettings.leds[pixel].setRGB(red, green, blue);
// patternSettings.leds[pixel].r = red;
// patternSettings.leds[pixel].g = green;
// patternSettings.leds[pixel].b = blue;
#endif
}
void setPixelInt(int pixel, int r, int g, int b)
{
patternSettings.leds[pixel].r = r;
patternSettings.leds[pixel].g = g;
patternSettings.leds[pixel].b = b;
}
void setPixel(int pixel, CRGB color)
{
// #ifdef ADAFRUIT_NEOPIXEL_H
// // NeoPixel
// strip.setPixelColor(pixel, strip.Color(red, green, blue));
// #endif
#ifndef ADAFRUIT_NEOPIXEL_H
// FastLED
patternSettings.leds[pixel] = CRGB(color);
// patternSettings.leds[pixel].setRGB(color);
#endif
}
void showStrip()
{
// #ifdef ADAFRUIT_NEOPIXEL_H
// // NeoPixel
// strip.show();
// #endif
#ifndef ADAFRUIT_NEOPIXEL_H
// FastLED
FastLED.show();
#endif
}
void setAll(byte red, byte green, byte blue)
{
for (int i = 0; i < NUM_LEDS; i++)
{
setPixel(i, red, green, blue);
}
showStrip();
}
void smoothOperator()
{
//Check for interfade
if (globalLED.interfade != 0)
{
for (int i = 0; i < NUM_LEDS; i++)
{
patternSettings.leds[i] = blend(patternSettings.leds[i], patternSettings.tempLeds[i], globalLED.interfade * globalLED.interfadeSpeed);
}
//Only want to interfade for a bit
globalLED.interfade -= 1;
if (globalLED.interfade < 1)
{
globalLED.interfade = 0;
}
}
//Check for brightness change
if (brightness.target != brightness.current)
{
byte multiplier = 0;
if ((abs(brightness.current - brightness.target)) < (brightness.rate))
{
multiplier = 1;
}
else
{
multiplier = brightness.rate;
}
if (brightness.target > brightness.current)
{
brightness.current += multiplier;
}
else
{
brightness.current -= multiplier;
}
FastLED.setBrightness(brightness.current);
}
}
void setSmoothOperator(int fadeTime)
{
//globalLED.interfadeMax == steps
//globalLED.interfadeSpeed == change each step
//globalLED.interfadeMax * globalLED.interfadeSpeed <= 255
//255 / fadeTime;
//Set # of Steps
globalLED.interfadeMax = fadeTime;
//Set distance of each step
globalLED.interfadeSpeed = (255 / fadeTime);
EEPROM.write(207, globalMenu.menu[17]);
EEPROM.commit();
}
void readSmoothOperator()
{
//globalLED.interfadeMax == steps
//globalLED.interfadeSpeed == change each step
//globalLED.interfadeMax * globalLED.interfadeSpeed <= 255
//255 / fadeTime;
globalMenu.menu[17] = EEPROM.read(207);
if (globalMenu.menu[17] < 1)
{
globalMenu.menu[17] = 18;
}
if (globalMenu.menu[17] > 50)
{
globalMenu.menu[17] = 50;
}
//Set # of Steps
globalLED.interfadeMax = globalMenu.menu[17];
//Set distance of each step
globalLED.interfadeSpeed = (255 / globalMenu.menu[17]);
//Start fading
globalLED.interfade = globalLED.interfadeMax;
}
//make this an int and calculate variables based on time
void startSmoothOperator()
{
globalLED.interfade = globalLED.interfadeMax;
for (int i = 0; i < NUM_LEDS; i++)
{
patternSettings.tempLeds[i] = patternSettings.leds[i];
}
}
void fadeLightBy(int pixel, int brightnes)
{
#ifndef ADAFRUIT_NEOPIXEL_H
// FastLED
patternSettings.leds[pixel].fadeLightBy(brightnes);
#endif
}
void fadeToBlack(int ledNo, byte fadeValue)
{
// #ifdef ADAFRUIT_NEOPIXEL_H
// // NeoPixel
// uint32_t oldColor;
// uint8_t r, g, b;
// int value;
// oldColor = strip.getPixelColor(ledNo);
// r = (oldColor & 0x00ff0000UL) >> 16;
// g = (oldColor & 0x0000ff00UL) >> 8;
// b = (oldColor & 0x000000ffUL);
// r = (r <= 10) ? 0 : (int)r - (r * fadeValue / 256);
// g = (g <= 10) ? 0 : (int)g - (g * fadeValue / 256);
// b = (b <= 10) ? 0 : (int)b - (b * fadeValue / 256);
// strip.setPixelColor(ledNo, r, g, b);
// #endif
#ifndef ADAFRUIT_NEOPIXEL_H
// FastLED
patternSettings.leds[ledNo].fadeToBlackBy(fadeValue);
#endif
}
void determineFadeDirection()
{
if (simplexNoise.yoffset > simplexNoise.yoffsetMax)
{
globalLED.fadeDirection2 = 0;
}
if (simplexNoise.yoffset < 0)
{
globalLED.fadeDirection2 = 1;
}
}
float GetH_BouncingWithLimits(float _speed, float _hHigh, float _hLow)
{
if (simplexNoise.h > _hHigh)
{
simplexNoise.h = _hHigh;
globalLED.fadeDirection = 0;
}
if (simplexNoise.h < _hLow)
{
simplexNoise.h = _hLow;
globalLED.fadeDirection = 1;
}
if (globalLED.fadeDirection == 1)
{
simplexNoise.h += _speed; // increment to make faster
}
if (globalLED.fadeDirection == 0)
{
simplexNoise.h -= _speed; // decrement to make faster
}
return simplexNoise.h;
}
float GetHTemp_BouncingWithLimits(float _speed, float _hHigh, float _hLow)
{
if (simplexNoise.hTemp > _hHigh)
{
simplexNoise.hTemp = _hHigh;
globalLED.fadeDirectionHTemp = 0;
}
if (simplexNoise.hTemp < _hLow)
{
simplexNoise.hTemp = _hLow;
globalLED.fadeDirectionHTemp = 1;
}
if (globalLED.fadeDirectionHTemp == 1)
{
simplexNoise.hTemp += _speed; // increment to make faster
}
if (globalLED.fadeDirectionHTemp == 0)
{
simplexNoise.hTemp -= _speed; // decrement to make faster
}
return simplexNoise.hTemp;
}
void SimplexNoisePatternInterpolated(float spaceInc, float timeInc, float yoffset, float xoffset)
{
// Simplex noise for whole strip of LEDs.
// (Well, it's simplex noise for set number of LEDs and cubic interpolation between those nodes.)
// Calculate simplex noise for LEDs that are nodes:
// Store raw values from simplex function (-0.347 to 0.347)
//float simplexNoise.xoffset = 0.0;
float xoffset_holder = simplexNoise.xoffset;
for (int i = 0; i <= NUM_LEDS; i = i + simplexNoise.nodeSpacing)
{
simplexNoise.xoffset += simplexNoise.spaceInc;
simplexNoise.ledArrayRed[i] = SimplexNoise(simplexNoise.xoffset, simplexNoise.yoffset, 0);
simplexNoise.ledArrayGreen[i] = SimplexNoise(simplexNoise.xoffset, simplexNoise.yoffset, 1);
simplexNoise.ledArrayBlue[i] = SimplexNoise(simplexNoise.xoffset, simplexNoise.yoffset, 2);
}
simplexNoise.xoffset = xoffset_holder;
// Interpolate values for LEDs between nodes
for (int i = 0; i < NUM_LEDS; i++)
{
int position_between_nodes = i % simplexNoise.nodeSpacing;
int last_node, next_node;
// If at node, skip
if (position_between_nodes == 0)
{
// At node for simplex noise, do nothing but update which nodes we are between
last_node = i;
next_node = last_node + simplexNoise.nodeSpacing;
}
// Else between two nodes, so identify those nodes
else
{
// And interpolate between the values at those nodes for red, green, and blue
float t = float(position_between_nodes) / float(simplexNoise.nodeSpacing);
float t_squaredx3 = 3 * t * t;
float t_cubedx2 = 2 * t * t * t;
simplexNoise.ledArrayRed[i] = simplexNoise.ledArrayRed[last_node] * (t_cubedx2 - t_squaredx3 + 1.0) + simplexNoise.ledArrayRed[next_node] * (-t_cubedx2 + t_squaredx3);
simplexNoise.ledArrayGreen[i] = simplexNoise.ledArrayGreen[last_node] * (t_cubedx2 - t_squaredx3 + 1.0) + simplexNoise.ledArrayGreen[next_node] * (-t_cubedx2 + t_squaredx3);
simplexNoise.ledArrayBlue[i] = simplexNoise.ledArrayBlue[last_node] * (t_cubedx2 - t_squaredx3 + 1.0) + simplexNoise.ledArrayBlue[next_node] * (-t_cubedx2 + t_squaredx3);
}
}
// Convert values from raw noise to scaled r,g,b and feed to strip
for (int i = 0; i < NUM_LEDS; i++)
{
int r = simplexNoise.ledArrayRed[i] * 734 + 16;
int g = simplexNoise.ledArrayGreen[i] * 734 + 16;
int b = simplexNoise.ledArrayBlue[i] * 734 + 16;
if (r > 255)
{
r = 255;
}
else if (r < 0)
{
r = 0;
} // Adds no time at all. Conclusion: constrain() sucks.
if (g > 255)
{
g = 255;
}
else if (g < 0)
{
g = 0;
}
if (b > 255)
{
b = 255;
}
else if (b < 0)
{
b = 0;
}
//Convert to 24 bit output for WS2811
patternSettings.leds[i] = CRGB(r, g, b);
}
if (simplexNoise.yoffset >= 16000)
{
simplexNoise.yoffset = -26000;
}
if (simplexNoise.yoffset <= -26000)
{
simplexNoise.yoffset = 16000;
}
if (simplexNoise.xoffset >= 16000)
{
simplexNoise.xoffset = -16000;
}
if (simplexNoise.xoffset <= -16000)
{
simplexNoise.xoffset = 16000;
}
}
/*****************************************************************************/
// Simplex noise code:
// From an original algorythm by Ken Perlin.
// Returns a value in the range of about [-0.347 .. 0.347]
float SimplexNoise(float x, float y, float z)
{
// Skew input space to relative coordinate in simplex cell
simplexNoise.s = (x + y + z) * onethird;
simplexNoise.g = fastfloor(x + simplexNoise.s);
simplexNoise.j = fastfloor(y + simplexNoise.s);
simplexNoise.k = fastfloor(z + simplexNoise.s);
// Unskew cell origin back to (x, y , z) space
simplexNoise.s = (simplexNoise.g + simplexNoise.j + simplexNoise.k) * onesixth;
simplexNoise.u = x - simplexNoise.g + simplexNoise.s;
simplexNoise.v = y - simplexNoise.j + simplexNoise.s;
simplexNoise.w = z - simplexNoise.k + simplexNoise.s;
simplexNoise.A[0] = simplexNoise.A[1] = simplexNoise.A[2] = 0;
// For 3D case, the simplex shape is a slightly irregular tetrahedron.
// Determine which simplex we're in
int hi = simplexNoise.u >= simplexNoise.w ? simplexNoise.u >= simplexNoise.v ? 0 : 1 : simplexNoise.v >= simplexNoise.w ? 1 : 2;
int lo = simplexNoise.u < simplexNoise.w ? simplexNoise.u < simplexNoise.v ? 0 : 1 : simplexNoise.v < simplexNoise.w ? 1 : 2;
return k_fn(hi) + k_fn(3 - hi - lo) + k_fn(lo) + k_fn(0);
}
float k_fn(int a)
{
simplexNoise.s = (simplexNoise.A[0] + simplexNoise.A[1] + simplexNoise.A[2]) * onesixth;
float x = simplexNoise.u - simplexNoise.A[0] + simplexNoise.s;
float y = simplexNoise.v - simplexNoise.A[1] + simplexNoise.s;
float z = simplexNoise.w - simplexNoise.A[2] + simplexNoise.s;
float t = 0.6f - x * x - y * y - z * z;
int h = shuffle(simplexNoise.g + simplexNoise.A[0], simplexNoise.j + simplexNoise.A[1], simplexNoise.k + simplexNoise.A[2]);
simplexNoise.A[a]++;
if (t < 0)
return 0;
int b5 = h >> 5 & 1;
int b4 = h >> 4 & 1;
int b3 = h >> 3 & 1;
int b2 = h >> 2 & 1;
int b = h & 3;
float p = b == 1 ? x : b == 2 ? y : z;
float q = b == 1 ? y : b == 2 ? z : x;
float r = b == 1 ? z : b == 2 ? x : y;
p = b5 == b3 ? -p : p;
q = b5 == b4 ? -q : q;
r = b5 != (b4 ^ b3) ? -r : r;
t *= t;
return 8 * t * t * (p + (b == 0 ? q + r : b2 == 0 ? q : r));
}
int shuffle(int i, int j, int k)
{
return b(i, j, k, 0) + b(j, k, i, 1) + b(k, i, j, 2) + b(i, j, k, 3) + b(j, k, i, 4) + b(k, i, j, 5) + b(i, j, k, 6) + b(j, k, i, 7);
}
int b(int i, int j, int k, int B)
{
return T[b(i, B) << 2 | b(j, B) << 1 | b(k, B)];
}
int b(int N, int B)
{
return N >> B & 1;
}
int fastfloor(float n)
{
return n > 0 ? (int)n : (int)n - 1;
}
/***********************************************************
hsv2rgb
Function: Calculate RGB values for colors represented
in Hue, Saturation, and Value (brightness).
***********************************************************/
void hsv2rgb(float H, float S, float V, int &R, int &G, int &B)
{
int var_i;
float var_1, var_2, var_3, var_h, var_r, var_g, var_b;
if (S == 0) // HSV values = 0 ÷ 1
{
R = V * 255;
G = V * 255;
B = V * 255;
}
else
{
var_h = H * 6;
if (var_h == 6)
var_h = 0; // H must be < 1
var_i = int(var_h); // Or ... var_i = floor( var_h )
var_1 = V * (1 - S);
var_2 = V * (1 - S * (var_h - var_i));
var_3 = V * (1 - S * (1 - (var_h - var_i)));
if (var_i == 0)
{
var_r = V;
var_g = var_3;
var_b = var_1;
}
else if (var_i == 1)
{
var_r = var_2;
var_g = V;
var_b = var_1;
}
else if (var_i == 2)
{
var_r = var_1;
var_g = V;
var_b = var_3;
}
else if (var_i == 3)
{
var_r = var_1;
var_g = var_2;
var_b = V;
}
else if (var_i == 4)
{
var_r = var_3;
var_g = var_1;
var_b = V;
}
else
{
var_r = V;
var_g = var_1;
var_b = var_2;
}
// RGB results = 0 ÷ 255 (Production)
R = (var_r)*255;
G = (var_g)*255;
B = (var_b)*255;
}
}
void confettiCustom(int saturation, int value, int random)
{
// random colored speckles that blink in and fade smoothly
fadeToBlackBy(patternSettings.leds, NUM_LEDS, 10);
int pos = random16(NUM_LEDS);
patternSettings.leds[pos] += CHSV(patternSettings.gHue + random8(random), saturation, value);
}
void sinelonCustom(int saturation, int value, int speed, int fadeBy)
{
// a colored dot sweeping back and forth, with fading trails
fadeToBlackBy(patternSettings.leds, NUM_LEDS, fadeBy);
int pos = beatsin16(speed, 0, NUM_LEDS - 1);
patternSettings.leds[pos] += CHSV(patternSettings.gHue, saturation, value);
}
void addGlitter(fract8 chanceOfGlitter)
{
if (random8() < chanceOfGlitter)
{
patternSettings.leds[random16(NUM_LEDS)] += CRGB::White;
}
}
void customColor(int r, int g, int b)
{
fill_solid(patternSettings.leds, NUM_LEDS, CRGB(r, g, b));
}
void plasma(CRGBPalette16 currentPalette, TBlendType currentBlending)
{ // This is the heart of this program. Sure is short. . . and fast.
int thisPhase = beatsin8(6, -64, 64); // Setting phase change for a couple of waves.
int thatPhase = beatsin8(7, -64, 64);
for (int k = 0; k < NUM_LEDS; k++)
{ // For each of the LED's in the strand, set a brightness based on a wave as follows:
int colorIndex = cubicwave8((k * 23) + thisPhase) / 2 + cos8((k * 15) + thatPhase) / 2; // Create a wave and add a phase change and add another wave with its own phase change.. Hey, you can even change the frequencies if you wish.
int thisBright = QSUBA(colorIndex, beatsin8(7, 0, 96)); // qsub gives it a bit of 'black' dead space by setting sets a minimum value. If colorIndex < current value of beatsin8(), then bright = 0. Otherwise, bright = colorIndex..
patternSettings.leds[k] = ColorFromPalette(currentPalette, colorIndex, thisBright, currentBlending); // Let's now add the foreground colour.
}
}
void beatwave(CRGBPalette16 currentPalette, TBlendType currentBlending)
{
// https://github.com/atuline/FastLED-Demos/blob/master/beatwave/beatwave.ino
uint8_t wave1 = beatsin8(9, 0, 255); // That's the same as beatsin8(9);
uint8_t wave2 = beatsin8(8, 0, 255);
uint8_t wave3 = beatsin8(7, 0, 255);
uint8_t wave4 = beatsin8(6, 0, 255);
for (int i = 0; i < NUM_LEDS; i++)
{
patternSettings.leds[i] = ColorFromPalette(currentPalette, i + wave1 + wave2 + wave3 + wave4, 255, currentBlending);
}
}