-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathvariables.js
467 lines (430 loc) · 9.94 KB
/
variables.js
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
// Track jumper
var jump_pos = 0;
var jump_ccs = [62,58,54,50,30,26,22,18];
var que_jump = 0;
// MIDIRen Screens
var track_ccs = [
[44,40,36,32,12,8,4,0],
[45,41,37,33,13,9,5,1],
[46,42,38,34,14,10,6,2],
[47,43,39,35,15,11,7,3],
[60,56,52,48,28,24,20,16],
[61,57,53,49,29,25,21,17]
];
var mrs = [];
for(var i = 0; i < 8; i++) {
mrs[i] = [];
for(var j = 0; j < track_ccs.length; j++) {
for(var k = 0; k < track_ccs[j].length; k++) {
mrs[i][track_ccs[j][k]] = 0;
}
}
}
var mr_velocity_sn = 0;
var mr_pattern_sn = 1;
var mr_note_ran_sn = 2;
var mr_root_note_sn = 3;
var mr_chord_prog_sn = 4;
var mr_bpm_sn = 5;
var mr_preset_sn = 6;
var mr_drum_pad_sn = 7;
var mr_current_sn = 0;
var mr_current_msec = 0;
var presets = [
{
'track_velocity' : [127,127,30,15,127,127],
'track_pattern' : [0,0,0,0,0,0],
'track_note_ran' : [0,0,0,0,0,0],
'root_note' : 48,
'chord_prog' : 5,
'bpm' : 120,
'patterns' : {
't1_bd' : [
'x---x---x---x---',
'x--x---x-x-x----',
'x--x--x--x--x-x-',
'x------x-x------',
'x---x--x--x-----',
'x--x--x-----x---',
'x---x----x--x---',
'x----x--x----x--'
],
't1_sn' : [
'----x-------x---',
'----x-------x---',
'----x--x--x-----',
'---x--------x---',
'----x---x---x---',
'----x--x---x----',
'-----x-------x--',
'----x---x-------'
],
't2' : [
'---o--cc-o-o----',
'---p-p-----p-p--',
'--p-----y--p-p-p',
'--------hhhhllll',
'c-c-c-c-c-c-c-c-',
'--o--coc--o--o-o',
'c---c---c---c---',
'--hh--l---h--l-l',
],
't3' : [
'x==>-xxxx==>-xxx',
'x--xx--xxxxx-xxx',
'x>-xx>-xx>-xx>-x',
'x==>-x=>x==>-x=>',
'--xxx>-xx>-xx>--',
'xxxx----xxxx----',
'x-x-x-x-x-x-x-x-',
'xx--xx--xx--xx--'
],
't4' : [
'x==>-xxxx==>-xxx',
'x--xx--xxxxx-xxx',
'x>-xx>-xx>-xx>-x',
'x==>-x=>x==>-x=>',
'--xxx>-xx>-xx>--',
'xxxx----xxxx----',
'x-x-x-x-x-x-x-x-',
'xx--xx--xx--xx--'
],
't5' : [
'x==>-xxxx==>-xxx',
'x--xx--xxxxx-xxx',
'x>-xx>-xx>-xx>-x',
'x==>-x=>x==>-x=>',
'--xxx>-xx>-xx>--',
'xxxx----xxxx----',
'x-x-x-x-x-x-x-x-',
'xx--xx--xx--xx--'
],
't6' : [
'x==>-xxxx==>-xxx',
'x--xx--xxxxx-xxx',
'x>-xx>-xx>-xx>-x',
'x==>-x=>x==>-x=>',
'--xxx>-xx>-xx>--',
'xxxx----xxxx----',
'x-x-x-x-x-x-x-x-',
'xx--xx--xx--xx--'
]
},
'notes' : {
't3' : [
'1111111111111111',
'111r111r111r111r',
'1124117111rr1111',
'1113311113161711',
'5115113112115181',
'11rr11rr11rr11rr',
'1r1r1r1r1r1r1r1r',
'rrrrrrrrrrrrrrrr'
],
't4' : [
'1111322241113232',
'2233344455422334',
'6655655333444466',
'7776666rr6377r88',
'2377777662rr16rr',
'9997888677756664',
'1113222433354446',
'rrrrrrrrrrrrrrrr'
],
't5' : [
'1123112346546542',
'6767545565234354',
'8985887767877566',
'564r564r5687rr35',
'11rr44rr11rr44rr',
'9876543219876543',
'1234566789123456',
'rrrrrrrrrrrrrrrr'
],
't6' : [
'1234123412341234',
'1234561234561234',
'9876987698769876',
'7654765476547654',
'7654327654327654',
'7733773388266444',
'1r1r1r1r1r1r1r1r',
'rrrrrrrrrrrrrrrr'
]
}
}
];
var selected_preset = 0;
// Patterns
var p_t1_bd = [
'x---x---x---x---',
'x--x---x-x-x----',
'x--x--x--x--x-x-',
'x------x-x------',
'x---x--x--x-----',
'x--x--x-----x---',
'x---x----x--x---',
'x----x--x----x--'
];
var p_t1_sn = [
'----x-------x---',
'----x-------x---',
'----x--x--x-----',
'---x--------x---',
'----x---x---x---',
'----x--x---x----',
'-----x-------x--',
'----x---x-------'
];
var p_t2 = [
'---o--cc-o-o----',
'---p-p-----p-p--',
'--p-----y--p-p-p',
'--------hhhhllll',
'c-c-c-c-c-c-c-c-',
'--o--coc--o--o-o',
'c---c---c---c---',
'--hh--l---h--l-l',
];
var p_t2_letter_to_notenum = {
'-' : 0,
'o' : 56,
'c' : 55,
'p' : 40,
'y' : 54,
'h' : 72,
'l' : 71
};
// Key:
// o -> Open Hi Hat
// c -> Closed Hi Hat
// p -> Clap
// y -> Cymbol
// h -> High Tom
// l -> Low Tom
var p_t3 = [
'x==>-xxxx==>-xxx',
'x--xx--xxxxx-xxx',
'x>-xx>-xx>-xx>-x',
'x==>-x=>x==>-x=>',
'--xxx>-xx>-xx>--',
'xxxx----xxxx----',
'x-x-x-x-x-x-x-x-',
'xx--xx--xx--xx--'
];
var p_t4 = [
'x==>-xxxx==>-xxx',
'x--xx--xxxxx-xxx',
'x>-xx>-xx>-xx>-x',
'x==>-x=>x==>-x=>',
'--xxx>-xx>-xx>--',
'xxxx----xxxx----',
'x-x-x-x-x-x-x-x-',
'xx--xx--xx--xx--'
];
var p_t5 = [
'x==>-xxxx==>-xxx',
'x--xx--xxxxx-xxx',
'x>-xx>-xx>-xx>-x',
'x==>-x=>x==>-x=>',
'--xxx>-xx>-xx>--',
'xxxx----xxxx----',
'x-x-x-x-x-x-x-x-',
'xx--xx--xx--xx--'
];
var p_t6 = [
'x==>-xxxx==>-xxx',
'x--xx--xxxxx-xxx',
'x>-xx>-xx>-xx>-x',
'x==>-x=>x==>-x=>',
'--xxx>-xx>-xx>--',
'xxxx----xxxx----',
'x-x-x-x-x-x-x-x-',
'xx--xx--xx--xx--'
];
var p_t3_n = [
'1111111111111111',
'111r111r111r111r',
'1124117111rr1111',
'1113311113161711',
'5115113112115181',
'11rr11rr11rr11rr',
'1r1r1r1r1r1r1r1r',
'rrrrrrrrrrrrrrrr'
];
var p_t4_n = [
'1111322241113232',
'2233344455422334',
'6655655333444466',
'7776666rr6377r88',
'2377777662rr16rr',
'9997888677756664',
'1113222433354446',
'rrrrrrrrrrrrrrrr'
];
var p_t5_n = [
'1123112346546542',
'6767545565234354',
'8985887767877566',
'564r564r5687rr35',
'11rr44rr11rr44rr',
'9876543219876543',
'1234566789123456',
'rrrrrrrrrrrrrrrr'
];
var p_t6_n = [
'1234123412341234',
'1234561234561234',
'9876987698769876',
'7654765476547654',
'7654327654327654',
'7733773388266444',
'1r1r1r1r1r1r1r1r',
'rrrrrrrrrrrrrrrr'
];
// Key:
// numbers: Relative notes in a chord
// r: Random note in chord
var chord_notes = {
'i' :[0,3,7],
'I' :[0,4,7],
'ii' :[0,3,7],
'ii_d' :[0,3,6],
'III' :[0,4,7],
'iii' :[0,3,7],
'iv' :[0,3,7],
'IV' :[0,4,7],
'V' :[0,4,7],
'VI' :[0,4,7],
'vi' :[0,3,7],
'bVII' :[0,4,7],
'vii_d':[0,3,6]
};
var chord_positions = {
'i' : 0,
'I' : 0,
'ii' : 2,
'ii_d' : 2,
'III' : 3,
'iii' : 4,
'iv' : 5,
'IV' : 5,
'V' : 7,
'VI' : 8,
'vi' : 9,
'bVII' :10,
'vii_d':11
};
var chord_progressions = [
['I','ii','I','IV'],
['I','ii','I','vii_d','I','IV'],
['I','vii_d','V','vii_d','I','V'],
['I','vi','ii','V'],
['I','iii','ii'],
['I','V'],
['I','IV','vii_d'],
['I','IV','V','vii_d','V','vii_d','V'],
['I','iii','vi','ii'],
['I','iii','iii','vi','vi','ii','ii'],
['I','I','ii','ii','I','I','IV','IV'],
['I','I','ii','ii','I','I','vii_d','vii_d','I','I','IV','IV'],
['I','I','vii_d','vii_d','V','V','vii_d','vii_d','I','I','V','V'],
['I','I','vi','vi','ii','ii','V','V'],
['I','I','iii','iii','ii','ii'],
['I','I','V','V'],
['I','I','IV','IV','vii_d','vii_d'],
['I','I','iii','iii','vi',,'vi','ii','ii'],
['i','ii_d','vii_d','V','vii_d'],
['i','iv','vii_d','VI','ii_d'],
['i','bVII','iv','i','VI','ii_d','vii_d'],
['i','vii_d','V','i','V','VI','ii_d'],
['i','ii_d','V'],
['i','VI','ii_d','i','vii_d'],
['i','ii_d','vii_d','V'],
['i','V','vii_d','V'],
['i','ii_d','i','V'],
['i','i','ii_d','ii_d','vii_d','vii_d','V','V','vii_d','vii_d'],
['i','i','iv','iv','vii_d','vii_d','VI','VI','ii_d','ii_d'],
['i','i','bVII','bVII','iv','iv','i','i','VI','VI','ii_d','ii_d','vii_d','vii_d'],
['i','i','vii_d','vii_d','V','V','i','i','V','V','VI','VI','ii_d','ii_d'],
['i','i','ii_d','ii_d','V','V'],
['i','i','VI','VI','ii_d','ii_d','i','i','vii_d','vii_d'],
['i','i','ii_d','ii_d','vii_d','vii_d','V','V'],
['bVII'],
['vii_d'],
['I'],
['ii'],
['iii'],
['IV'],
['V'],
['vi'],
['i'],
['ii_d'],
['III'],
['iv'],
['V'],
['VI']
];
// Progressions generated via:
// http://www.rowlandrose.com/experiments/chord_progression_experiment/
var current_pattern_t1 = 0;
var current_pattern_t2 = 0;
var current_pattern_t3 = 0;
var current_pattern_t4 = 0;
var current_pattern_t5 = 0;
var current_pattern_t6 = 0;
var selected_pattern_t1 = 0;
var selected_pattern_t2 = 0;
var selected_pattern_t3 = 0;
var selected_pattern_t4 = 0;
var selected_pattern_t5 = 0;
var selected_pattern_t6 = 0;
var que_pattern_t1 = 0;
var que_pattern_t2 = 0;
var que_pattern_t3 = 0;
var que_pattern_t4 = 0;
var que_pattern_t5 = 0;
var que_pattern_t6 = 0;
var current_rand_t1 = 0;
var current_rand_t2 = 0;
var current_note_t3 = 0;
var current_note_t4 = 0;
var current_note_t5 = 0;
var current_note_t6 = 0;
var que_note_t3 = 0;
var que_note_t4 = 0;
var que_note_t5 = 0;
var que_note_t6 = 0;
var current_t3_num = current_pattern_t3;
var current_t4_num = current_pattern_t4;
var current_t5_num = current_pattern_t5;
var current_t6_num = current_pattern_t6;
var prev_played_num_t3 = current_pattern_t3;
var prev_played_num_t4 = current_pattern_t4;
var prev_played_num_t5 = current_pattern_t5;
var prev_played_num_t6 = current_pattern_t6;
var prev_t3_p = 0;
var prev_t4_p = 0;
var prev_t5_p = 0;
var prev_t6_p = 0;
var prev_velocity = [0,0,0,0,0,0];
// Constants
var MIDIREN_CH = 16;
var BEATS_PER_MEASURE = 4;
var PPQ = 4; // Pulse Per Quarter-note (beat), 4 = sixteenth notes
var CLOCK_PPQ = 24; // PPQ of incoming MIDI timing clock messages
var CLOCK_PER_CLICK = Math.floor(CLOCK_PPQ / PPQ);
var NOTE_OFFSET = -12; // Notes away from chosen root note
var UX16_midi_port = 1; // midi port UX16
var MIDIRen_midi_port = 2; // midi port MIDIRen
var bpm_tap_arr = [];
var bpm_tap_prev_time = 0;
var midi = require('midi'); // Include midi library
var midiren_play = false;
var ext_bpm = false;
var bpm_clock = 24;
var current_clock = CLOCK_PER_CLICK;
var current_pulse = 0;
var prog_spot = 0;
var current_chord = 0;
var current_root = 0;