| commit | author | age | ||
| 71cec5 | 1 | ;====================================== |
| MS | 2 | ;OM-Lead, 2022-2023 |
| 3 | ; | |
| 4 | ;Library for Rule-based Voice-Leading | |
| 5 | ;Author: Lorenz Lehmann | |
| 6 | ;Supervision: Marlon Schumacher | |
| 7 | ;====================================== | |
| 8 | ||
| 9 | (in-package :om) | |
| 10 | ||
| 11 | (defmethod! rhythmic-progress (harmon-progress randomize measure tempo legato &key raster0 raster1 raster2 raster3) | |
| 12 | ||
| 13 | :doc "Gives the possibility of rhythmic and melodic movement between the chords" | |
| 14 | :indoc '("chord-list from harmon-progress" "t: permutates randomly the rhythmic-order " "measure" "tempo" "legato" "(voice-number (smallest rhythmic value, should be a fraction & stepsize, an intervall in midicents))" "(voice-number (smallest rhythmic value, should be a fraction & stepsize, an intervall in midicents))" "(voice-number (smallest rhythmic value, should be a fraction & stepsize, an intervall in midicents))" "(voice-number (smallest rhythmic value, should be a fraction & stepsize, an intervall in midicents))") | |
| 15 | :icon 030719971 | |
| 16 | :numouts 1 | |
| 17 | ||
| 18 | ;xxxxxxxxxxxxxxxxxxxxxxxx | |
| 19 | ||
| 20 | ;xxxxxxxxxxxxxxxxxxxxxxxx | |
| 21 | (reverse (remove nil (list | |
| 22 | ||
| 23 | (cond | |
| 24 | ||
| 25 | ((and (not (eq raster0 'nil)) | |
| 26 | (or (eq (car (nth (car raster0) (mat-trans harmon-progress))) 'nil) | |
| 27 | (eq (cadr (nth (car raster0) (mat-trans harmon-progress))) 'nil) | |
| 28 | (eq (car (nth (car raster0) (mat-trans harmon-progress))) (cadr (nth (car raster0) (mat-trans harmon-progress)))))) | |
| 29 | ||
| 30 | (let ((pitch-list (nth (car raster0) (mat-trans harmon-progress)))) | |
| 31 | (let ((note (car pitch-list))) | |
| 32 | ||
| 33 | (make-instance 'voice | |
| 34 | :tree (list '? (if (eq note nil) (list (list (append measure) '(-1))) (list (list (append measure) '(1))))) | |
| 35 | :tempo tempo | |
| 36 | :legato legato | |
| 37 | :chords (list note))) | |
| 38 | ||
| 39 | )) | |
| 40 | ||
| 41 | ((and (not (eq raster0 'nil)) | |
| 42 | ||
| 43 | (let | |
| 44 | ((pulsation (cadr (cadr raster0))) | |
| 45 | (pitch-list (nth (car raster0) (mat-trans harmon-progress)))) | |
| 46 | (let | |
| 47 | ((interval (- (cadr pitch-list) (car pitch-list)))) | |
| 48 | (let | |
| 49 | ((delta (if (> 0 interval) (* -1 interval) interval)) | |
| 50 | (stepsize (caadr raster0))) | |
| 51 | (> | |
| 52 | (* (car (multiple-value-list (floor delta stepsize))) pulsation) | |
| 53 | (/ (car measure) (cadr measure))))))) | |
| 54 | ||
| 55 | (let | |
| 56 | ((pulsation (cadr (cadr raster0))) | |
| 57 | (pitch-list (nth (car raster0) (mat-trans harmon-progress)))) | |
| 58 | (let | |
| 59 | ((interval (- (cadr pitch-list) (car pitch-list)))) | |
| 60 | (let | |
| 61 | ((delta (if (> 0 interval) (* -1 interval) interval)) | |
| 62 | (stepsize (caadr raster0))) | |
| 63 | (let | |
| 64 | ((step (if (> 0 interval) (* -1 stepsize) stepsize))) | |
| 65 | (let | |
| 66 | ((chord-list (dx->x (car pitch-list) | |
| 67 | (make-list (car (multiple-value-list (floor delta stepsize))) :initial-element step)))) | |
| 68 | (let ((final-chords | |
| 69 | (append (list (car pitch-list)) (nthcdr (/ (- (* (length chord-list) pulsation) (/ (car measure) (cadr measure))) pulsation) (butlast chord-list))))) | |
| 70 | ||
| 71 | (make-instance 'voice | |
| 72 | :tree (list '? (list (list (append measure) (make-list (car measure) :initial-element 1)))) | |
| 73 | :tempo tempo | |
| 74 | :legato legato | |
| 75 | :chords final-chords | |
| 76 | ||
| 77 | ||
| 78 | ||
| 79 | ||
| 80 | ||
| 81 | )))))))) | |
| 82 | ||
| 83 | ||
| 84 | ||
| 85 | ||
| 86 | (raster0 | |
| 87 | (let | |
| 88 | ( | |
| 89 | (pitch-list (nth (car raster0) (mat-trans harmon-progress))) | |
| 90 | (pulsation (cadr (cadr raster0))) | |
| 91 | (stepsize (caadr raster0)) | |
| 92 | ) | |
| 93 | ||
| 94 | (let ((interval (- (cadr pitch-list) (car pitch-list)))) | |
| 95 | (let ((delta (if (> 0 interval) (* -1 interval) interval))) | |
| 96 | ||
| 97 | ||
| 98 | (let | |
| 99 | ((chord-list | |
| 100 | (let ((step (if (< (car pitch-list) (cadr pitch-list)) stepsize (* -1 stepsize)))) | |
| 101 | (butlast (dx->x (car pitch-list) (remove nil (append (make-list (car (multiple-value-list | |
| 102 | ||
| 103 | (floor delta stepsize))) :initial-element step) | |
| 104 | (if (= 0 (cadr (multiple-value-list (floor delta stepsize)))) | |
| 105 | (list nil) | |
| 106 | (if (< step 0) | |
| 107 | (list (* -1 (cadr (multiple-value-list (floor delta stepsize))))) | |
| 108 | (list (cadr (multiple-value-list (floor delta stepsize))))) | |
| 109 | )))))))) | |
| 110 | ||
| 111 | (let | |
| 112 | ||
| 113 | ((rhythm-list (if (values randomize) | |
| 114 | (permut-random (append | |
| 115 | (list (- 1 (* (- (length chord-list) 1) pulsation))) | |
| 116 | (make-list (- (length chord-list) 1) :initial-element pulsation))) | |
| 117 | (append | |
| 118 | (list (- 1 (* (- (length chord-list) 1) pulsation))) | |
| 119 | (make-list (- (length chord-list) 1) :initial-element pulsation)) | |
| 120 | )) | |
| 121 | ||
| 122 | ||
| 123 | ||
| 124 | ) | |
| 125 | ||
| 126 | (make-instance 'voice | |
| 127 | :tree (mktree rhythm-list measure) | |
| 128 | :tempo tempo | |
| 129 | :legato legato | |
| 130 | :chords chord-list) | |
| 131 | ||
| 132 | )))))) | |
| 133 | (t nil)) | |
| 134 | ||
| 135 | ;;;raster1;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 136 | ||
| 137 | (cond | |
| 138 | ||
| 139 | ((and (not (eq raster1 'nil)) | |
| 140 | (or (eq (car (nth (car raster1) (mat-trans harmon-progress))) 'nil) | |
| 141 | (eq (cadr (nth (car raster1) (mat-trans harmon-progress))) 'nil) | |
| 142 | (eq (car (nth (car raster1) (mat-trans harmon-progress))) (cadr (nth (car raster1) (mat-trans harmon-progress)))))) | |
| 143 | ||
| 144 | (let ((pitch-list (nth (car raster1) (mat-trans harmon-progress)))) | |
| 145 | (let ((note (car pitch-list))) | |
| 146 | ||
| 147 | (make-instance 'voice | |
| 148 | :tree (list '? (if (eq note nil) (list (list (append measure) '(-1))) (list (list (append measure) '(1))))) | |
| 149 | :tempo tempo | |
| 150 | :legato legato | |
| 151 | :chords (list note))) | |
| 152 | ||
| 153 | )) | |
| 154 | ||
| 155 | ((and (not (eq raster1 'nil)) | |
| 156 | ||
| 157 | (let | |
| 158 | ((pulsation (cadr (cadr raster1))) | |
| 159 | (pitch-list (nth (car raster1) (mat-trans harmon-progress)))) | |
| 160 | (let | |
| 161 | ((interval (- (cadr pitch-list) (car pitch-list)))) | |
| 162 | (let | |
| 163 | ((delta (if (> 0 interval) (* -1 interval) interval)) | |
| 164 | (stepsize (caadr raster1))) | |
| 165 | (> | |
| 166 | (* (car (multiple-value-list (floor delta stepsize))) pulsation) | |
| 167 | (/ (car measure) (cadr measure))))))) | |
| 168 | ||
| 169 | (let | |
| 170 | ((pulsation (cadr (cadr raster1))) | |
| 171 | (pitch-list (nth (car raster1) (mat-trans harmon-progress)))) | |
| 172 | (let | |
| 173 | ((interval (- (cadr pitch-list) (car pitch-list)))) | |
| 174 | (let | |
| 175 | ((delta (if (> 0 interval) (* -1 interval) interval)) | |
| 176 | (stepsize (caadr raster1))) | |
| 177 | (let | |
| 178 | ((step (if (> 0 interval) (* -1 stepsize) stepsize))) | |
| 179 | (let | |
| 180 | ((chord-list (dx->x (car pitch-list) | |
| 181 | (make-list (car (multiple-value-list (floor delta stepsize))) :initial-element step)))) | |
| 182 | (let ((final-chords | |
| 183 | (append (list (car pitch-list)) (nthcdr (/ (- (* (length chord-list) pulsation) (/ (car measure) (cadr measure))) pulsation) (butlast chord-list))))) | |
| 184 | ||
| 185 | (make-instance 'voice | |
| 186 | :tree (list '? (list (list (append measure) (make-list (car measure) :initial-element 1)))) | |
| 187 | :tempo tempo | |
| 188 | :legato legato | |
| 189 | :chords final-chords | |
| 190 | ||
| 191 | ||
| 192 | ||
| 193 | ||
| 194 | ||
| 195 | )))))))) | |
| 196 | ||
| 197 | ||
| 198 | ||
| 199 | ||
| 200 | (raster1 | |
| 201 | (let | |
| 202 | ( | |
| 203 | (pitch-list (nth (car raster1) (mat-trans harmon-progress))) | |
| 204 | (pulsation (cadr (cadr raster1))) | |
| 205 | (stepsize (caadr raster1)) | |
| 206 | ) | |
| 207 | ||
| 208 | (let ((interval (- (cadr pitch-list) (car pitch-list)))) | |
| 209 | (let ((delta (if (> 0 interval) (* -1 interval) interval))) | |
| 210 | ||
| 211 | ||
| 212 | (let | |
| 213 | ((chord-list | |
| 214 | (let ((step (if (< (car pitch-list) (cadr pitch-list)) stepsize (* -1 stepsize)))) | |
| 215 | (butlast (dx->x (car pitch-list) (remove nil (append (make-list (car (multiple-value-list | |
| 216 | ||
| 217 | (floor delta stepsize))) :initial-element step) | |
| 218 | (if (= 0 (cadr (multiple-value-list (floor delta stepsize)))) | |
| 219 | (list nil) | |
| 220 | (if (< step 0) | |
| 221 | (list (* -1 (cadr (multiple-value-list (floor delta stepsize))))) | |
| 222 | (list (cadr (multiple-value-list (floor delta stepsize))))) | |
| 223 | )))))))) | |
| 224 | ||
| 225 | (let | |
| 226 | ||
| 227 | ((rhythm-list (if (values randomize) | |
| 228 | (permut-random (append | |
| 229 | (list (- 1 (* (- (length chord-list) 1) pulsation))) | |
| 230 | (make-list (- (length chord-list) 1) :initial-element pulsation))) | |
| 231 | (append | |
| 232 | (list (- 1 (* (- (length chord-list) 1) pulsation))) | |
| 233 | (make-list (- (length chord-list) 1) :initial-element pulsation)) | |
| 234 | )) | |
| 235 | ||
| 236 | ||
| 237 | ||
| 238 | ) | |
| 239 | ||
| 240 | (make-instance 'voice | |
| 241 | :tree (mktree rhythm-list measure) | |
| 242 | :tempo tempo | |
| 243 | :legato legato | |
| 244 | :chords chord-list) | |
| 245 | ||
| 246 | )))))) | |
| 247 | (t nil)) | |
| 248 | ||
| 249 | ;;;raster2;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 250 | ||
| 251 | (cond | |
| 252 | ||
| 253 | ((and (not (eq raster2 'nil)) | |
| 254 | (or (eq (car (nth (car raster2) (mat-trans harmon-progress))) 'nil) | |
| 255 | (eq (cadr (nth (car raster2) (mat-trans harmon-progress))) 'nil) | |
| 256 | (eq (car (nth (car raster2) (mat-trans harmon-progress))) (cadr (nth (car raster2) (mat-trans harmon-progress)))))) | |
| 257 | ||
| 258 | (let ((pitch-list (nth (car raster2) (mat-trans harmon-progress)))) | |
| 259 | (let ((note (car pitch-list))) | |
| 260 | ||
| 261 | (make-instance 'voice | |
| 262 | :tree (list '? (if (eq note nil) (list (list (append measure) '(-1))) (list (list (append measure) '(1))))) | |
| 263 | :tempo tempo | |
| 264 | :legato legato | |
| 265 | :chords (list note))) | |
| 266 | ||
| 267 | )) | |
| 268 | ||
| 269 | ((and (not (eq raster2 'nil)) | |
| 270 | ||
| 271 | (let | |
| 272 | ((pulsation (cadr (cadr raster2))) | |
| 273 | (pitch-list (nth (car raster2) (mat-trans harmon-progress)))) | |
| 274 | (let | |
| 275 | ((interval (- (cadr pitch-list) (car pitch-list)))) | |
| 276 | (let | |
| 277 | ((delta (if (> 0 interval) (* -1 interval) interval)) | |
| 278 | (stepsize (caadr raster2))) | |
| 279 | (> | |
| 280 | (* (car (multiple-value-list (floor delta stepsize))) pulsation) | |
| 281 | (/ (car measure) (cadr measure))))))) | |
| 282 | ||
| 283 | (let | |
| 284 | ((pulsation (cadr (cadr raster2))) | |
| 285 | (pitch-list (nth (car raster2) (mat-trans harmon-progress)))) | |
| 286 | (let | |
| 287 | ((interval (- (cadr pitch-list) (car pitch-list)))) | |
| 288 | (let | |
| 289 | ((delta (if (> 0 interval) (* -1 interval) interval)) | |
| 290 | (stepsize (caadr raster2))) | |
| 291 | (let | |
| 292 | ((step (if (> 0 interval) (* -1 stepsize) stepsize))) | |
| 293 | (let | |
| 294 | ((chord-list (dx->x (car pitch-list) | |
| 295 | (make-list (car (multiple-value-list (floor delta stepsize))) :initial-element step)))) | |
| 296 | (let ((final-chords | |
| 297 | (append (list (car pitch-list)) (nthcdr (/ (- (* (length chord-list) pulsation) (/ (car measure) (cadr measure))) pulsation) (butlast chord-list))))) | |
| 298 | ||
| 299 | (make-instance 'voice | |
| 300 | :tree (list '? (list (list (append measure) (make-list (car measure) :initial-element 1)))) | |
| 301 | :tempo tempo | |
| 302 | :legato legato | |
| 303 | :chords final-chords | |
| 304 | ||
| 305 | ||
| 306 | ||
| 307 | ||
| 308 | ||
| 309 | )))))))) | |
| 310 | ||
| 311 | ||
| 312 | ||
| 313 | ||
| 314 | (raster2 | |
| 315 | (let | |
| 316 | ( | |
| 317 | (pitch-list (nth (car raster2) (mat-trans harmon-progress))) | |
| 318 | (pulsation (cadr (cadr raster2))) | |
| 319 | (stepsize (caadr raster2)) | |
| 320 | ) | |
| 321 | ||
| 322 | (let ((interval (- (cadr pitch-list) (car pitch-list)))) | |
| 323 | (let ((delta (if (> 0 interval) (* -1 interval) interval))) | |
| 324 | ||
| 325 | ||
| 326 | (let | |
| 327 | ((chord-list | |
| 328 | (let ((step (if (< (car pitch-list) (cadr pitch-list)) stepsize (* -1 stepsize)))) | |
| 329 | (butlast (dx->x (car pitch-list) (remove nil (append (make-list (car (multiple-value-list | |
| 330 | ||
| 331 | (floor delta stepsize))) :initial-element step) | |
| 332 | (if (= 0 (cadr (multiple-value-list (floor delta stepsize)))) | |
| 333 | (list nil) | |
| 334 | (if (< step 0) | |
| 335 | (list (* -1 (cadr (multiple-value-list (floor delta stepsize))))) | |
| 336 | (list (cadr (multiple-value-list (floor delta stepsize))))) | |
| 337 | )))))))) | |
| 338 | ||
| 339 | (let | |
| 340 | ||
| 341 | ((rhythm-list (if (values randomize) | |
| 342 | (permut-random (append | |
| 343 | (list (- 1 (* (- (length chord-list) 1) pulsation))) | |
| 344 | (make-list (- (length chord-list) 1) :initial-element pulsation))) | |
| 345 | (append | |
| 346 | (list (- 1 (* (- (length chord-list) 1) pulsation))) | |
| 347 | (make-list (- (length chord-list) 1) :initial-element pulsation)) | |
| 348 | )) | |
| 349 | ||
| 350 | ||
| 351 | ||
| 352 | ) | |
| 353 | ||
| 354 | (make-instance 'voice | |
| 355 | :tree (mktree rhythm-list measure) | |
| 356 | :tempo tempo | |
| 357 | :legato legato | |
| 358 | :chords chord-list) | |
| 359 | ||
| 360 | )))))) | |
| 361 | (t nil)) | |
| 362 | ||
| 363 | ;;;raster3;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 364 | ||
| 365 | (cond | |
| 366 | ||
| 367 | ((and (not (eq raster3 'nil)) | |
| 368 | (or (eq (car (nth (car raster3) (mat-trans harmon-progress))) 'nil) | |
| 369 | (eq (cadr (nth (car raster3) (mat-trans harmon-progress))) 'nil) | |
| 370 | (eq (car (nth (car raster3) (mat-trans harmon-progress))) (cadr (nth (car raster3) (mat-trans harmon-progress)))))) | |
| 371 | ||
| 372 | (let ((pitch-list (nth (car raster3) (mat-trans harmon-progress)))) | |
| 373 | (let ((note (car pitch-list))) | |
| 374 | ||
| 375 | (make-instance 'voice | |
| 376 | :tree (list '? (if (eq note nil) (list (list (append measure) '(-1))) (list (list (append measure) '(1))))) | |
| 377 | :tempo tempo | |
| 378 | :legato legato | |
| 379 | :chords (list note))) | |
| 380 | ||
| 381 | )) | |
| 382 | ||
| 383 | ((and (not (eq raster3 'nil)) | |
| 384 | ||
| 385 | (let | |
| 386 | ((pulsation (cadr (cadr raster3))) | |
| 387 | (pitch-list (nth (car raster3) (mat-trans harmon-progress)))) | |
| 388 | (let | |
| 389 | ((interval (- (cadr pitch-list) (car pitch-list)))) | |
| 390 | (let | |
| 391 | ((delta (if (> 0 interval) (* -1 interval) interval)) | |
| 392 | (stepsize (caadr raster3))) | |
| 393 | (> | |
| 394 | (* (car (multiple-value-list (floor delta stepsize))) pulsation) | |
| 395 | (/ (car measure) (cadr measure))))))) | |
| 396 | ||
| 397 | (let | |
| 398 | ((pulsation (cadr (cadr raster3))) | |
| 399 | (pitch-list (nth (car raster3) (mat-trans harmon-progress)))) | |
| 400 | (let | |
| 401 | ((interval (- (cadr pitch-list) (car pitch-list)))) | |
| 402 | (let | |
| 403 | ((delta (if (> 0 interval) (* -1 interval) interval)) | |
| 404 | (stepsize (caadr raster3))) | |
| 405 | (let | |
| 406 | ((step (if (> 0 interval) (* -1 stepsize) stepsize))) | |
| 407 | (let | |
| 408 | ((chord-list (dx->x (car pitch-list) | |
| 409 | (make-list (car (multiple-value-list (floor delta stepsize))) :initial-element step)))) | |
| 410 | (let ((final-chords | |
| 411 | (append (list (car pitch-list)) (nthcdr (/ (- (* (length chord-list) pulsation) (/ (car measure) (cadr measure))) pulsation) (butlast chord-list))))) | |
| 412 | ||
| 413 | (make-instance 'voice | |
| 414 | :tree (list '? (list (list (append measure) (make-list (car measure) :initial-element 1)))) | |
| 415 | :tempo tempo | |
| 416 | :legato legato | |
| 417 | :chords final-chords | |
| 418 | ||
| 419 | ||
| 420 | ||
| 421 | ||
| 422 | ||
| 423 | )))))))) | |
| 424 | ||
| 425 | ||
| 426 | ||
| 427 | ||
| 428 | (raster3 | |
| 429 | (let | |
| 430 | ( | |
| 431 | (pitch-list (nth (car raster3) (mat-trans harmon-progress))) | |
| 432 | (pulsation (cadr (cadr raster3))) | |
| 433 | (stepsize (caadr raster3)) | |
| 434 | ) | |
| 435 | ||
| 436 | (let ((interval (- (cadr pitch-list) (car pitch-list)))) | |
| 437 | (let ((delta (if (> 0 interval) (* -1 interval) interval))) | |
| 438 | ||
| 439 | ||
| 440 | (let | |
| 441 | ((chord-list | |
| 442 | (let ((step (if (< (car pitch-list) (cadr pitch-list)) stepsize (* -1 stepsize)))) | |
| 443 | (butlast (dx->x (car pitch-list) (remove nil (append (make-list (car (multiple-value-list | |
| 444 | ||
| 445 | (floor delta stepsize))) :initial-element step) | |
| 446 | (if (= 0 (cadr (multiple-value-list (floor delta stepsize)))) | |
| 447 | (list nil) | |
| 448 | (if (< step 0) | |
| 449 | (list (* -1 (cadr (multiple-value-list (floor delta stepsize))))) | |
| 450 | (list (cadr (multiple-value-list (floor delta stepsize))))) | |
| 451 | )))))))) | |
| 452 | ||
| 453 | (let | |
| 454 | ||
| 455 | ((rhythm-list (if (values randomize) | |
| 456 | (permut-random (append | |
| 457 | (list (- 1 (* (- (length chord-list) 1) pulsation))) | |
| 458 | (make-list (- (length chord-list) 1) :initial-element pulsation))) | |
| 459 | (append | |
| 460 | (list (- 1 (* (- (length chord-list) 1) pulsation))) | |
| 461 | (make-list (- (length chord-list) 1) :initial-element pulsation)) | |
| 462 | )) | |
| 463 | ||
| 464 | ||
| 465 | ||
| 466 | ) | |
| 467 | ||
| 468 | (make-instance 'voice | |
| 469 | :tree (mktree rhythm-list measure) | |
| 470 | :tempo tempo | |
| 471 | :legato legato | |
| 472 | :chords chord-list) | |
| 473 | ||
| 474 | )))))) | |
| 475 | (t nil)) | |
| 476 | ||
| 477 | ;;;end;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 478 | )))) | |
| 479 | ;;;end;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 480 | ||
