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This commit is contained in:
Felix Roos 2022-02-15 23:05:38 +01:00
parent c11c217baf
commit b64ccb4522
10 changed files with 208 additions and 236 deletions
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22
docs/dist/voicings.js vendored
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@ -1,6 +1,6 @@
import {Pattern as _Pattern, stack, Hap, reify} from "../_snowpack/link/strudel.js";
import voicings from "../_snowpack/pkg/chord-voicings.js";
const {dictionaryVoicing, minTopNoteDiff, lefthand} = voicings;
import _voicings from "../_snowpack/pkg/chord-voicings.js";
const {dictionaryVoicing, minTopNoteDiff, lefthand} = _voicings;
const getVoicing = (chord, lastVoicing, range = ["F3", "A4"]) => dictionaryVoicing({
chord,
dictionary: lefthand,
@ -12,10 +12,26 @@ const Pattern = _Pattern;
Pattern.prototype.fmapNested = function(func) {
return new Pattern((span) => this.query(span).map((event) => reify(func(event)).query(span).map((hap) => new Hap(event.whole, event.part, hap.value))).flat());
};
Pattern.prototype.voicings = function(range = ["F3", "A4"]) {
Pattern.prototype.voicings = function(range) {
let lastVoicing;
if (!range?.length) {
range = ["F3", "A4"];
}
return this.fmapNested((event) => {
lastVoicing = getVoicing(event.value, lastVoicing, range);
return stack(...lastVoicing);
});
};
Pattern.prototype.chordBass = function() {
return this._mapNotes((value) => {
console.log("value", value);
const [_, root] = value.value.match(/^([a-gC-G])[b#]?.*$/);
const bassNote = root + "2";
return {...value, value: bassNote};
});
};
Pattern.prototype.define("voicings", (range, pat) => pat.voicings(range), {composable: true});
Pattern.prototype.define("chordBass", (pat) => {
console.log("call chordBass ...", pat);
return pat.chordBass();
}, {composable: true});