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scale now supports running on object values with n

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This commit is contained in:
Felix Roos 2022-12-11 22:45:36 +01:00
parent 843a3c16ba
commit 6679cd60ce
2 changed files with 32 additions and 10 deletions
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5
packages/tonal/tonal.mjs
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@ -141,13 +141,14 @@ export const scaleTranspose = register('scaleTranspose', function (offset /* : n
export const scale = register('scale', function (scale /* : string */, pat) {
return pat.withHap((hap) => {
let note = hap.value;
const isObject = typeof hap.value === 'object';
let note = isObject ? hap.value.n : hap.value;
const asNumber = Number(note);
if (!isNaN(asNumber)) {
let [tonic, scaleName] = Scale.tokenize(scale);
const { pc, oct = 3 } = Note.get(tonic);
note = scaleOffset(pc + ' ' + scaleName, asNumber, pc + oct);
}
return hap.withValue(() => note).setContext({ ...hap.context, scale });
return hap.withValue(() => (isObject ? { ...hap.value, note } : note)).setContext({ ...hap.context, scale });
});
});

37
repl/src/tunes.mjs
View File

@ -310,22 +310,43 @@ export const goodTimes = `// licensed with CC BY-NC-SA 4.0 https://creativecommo
const scale = cat('C3 dorian','Bb2 major').slow(4);
stack(
"2*4".add(12).scale(scale)
.off(1/8,x=>x.scaleTranspose("2")).fast(2)
.off(1/8, scaleTranspose("2")).fast(2)
.scaleTranspose("<0 1 2 1>").hush(),
"<0 1 2 3>(3,8,2)"
.scale(scale)
.off(1/4,x=>x.scaleTranspose("2,4")),
.off(1/4, scaleTranspose("2,4")),
"<0 4>(5,8)".scale(scale).transpose(-12)
)
.velocity(".6 .7".fast(4))
.legato("2")
.scaleTranspose("<0>".slow(4))
.transpose(5)
.note().piano()
.velocity(.8)
.slow(2)
.pianoroll({maxMidi:100,minMidi:20})`;
/* // new style notation:
export const goodTimes = `// licensed with CC BY-NC-SA 4.0 https://creativecommons.org/licenses/by-nc-sa/4.0/
// by Felix Roos
const scale = cat('C3 dorian','Bb2 major').slow(4);
stack(
n("2*4").add(12)
.off(1/8, add("2")).fast(2)
.add("<0 1 2 1>").hush(),
n("<0 1 2 3>(3,8,2)")
.off(1/4, add("2,4")),
n("<0 4>(5,8)").sub(7)
)
.scale(scale)
.scaleTranspose("<0>".slow(4))
.transpose(5)
.note().piano()
.velocity(.8)
.slow(2)
.pianoroll({maxMidi:100,minMidi:20})`;
.gain(".6 .7".fast(4))
.legato(2)
.add(note(5))
.piano()
.mul(gain(.8))
.slow(2)
.pianoroll({maxMidi:100,minMidi:20})`;
*/
export const echoPiano = `// licensed with CC BY-NC-SA 4.0 https://creativecommons.org/licenses/by-nc-sa/4.0/
// by Felix Roos