Pattern .define + .bootstrap

+ seperate parse / evaluate
+ add Pattern.edit
+ move string hacks to evaluate
+ automate eval scoping with globalThis
+ add random tune button
+ mini: handle angle brackets
+ add chordBass
+ fix old tunes
This commit is contained in:
Felix Roos 2022-02-15 23:05:14 +01:00
parent c225c058bc
commit c11c217baf
9 changed files with 259 additions and 221 deletions

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@ -4,13 +4,12 @@ import cx from './cx';
import * as Tone from 'tone';
import useCycle from './useCycle';
import type { Pattern } from './types';
import defaultTune from './tunes';
import * as parser from './parse';
import * as tunes from './tunes';
import { evaluate } from './evaluate';
import CodeMirror from './CodeMirror';
import hot from '../public/hot';
import { isNote } from 'tone';
import { useWebMidi } from './midi';
const { parse } = parser;
const [_, codeParam] = window.location.href.split('#');
const decoded = atob(codeParam || '');
@ -23,7 +22,7 @@ const getHotCode = async () => {
});
};
const defaultSynth = new Tone.PolySynth().toDestination();
const defaultSynth = new Tone.PolySynth().chain(new Tone.Gain(0.5), Tone.Destination);
defaultSynth.set({
oscillator: { type: 'triangle' },
envelope: {
@ -31,9 +30,17 @@ defaultSynth.set({
},
});
function getRandomTune() {
const allTunes = Object.values(tunes);
const randomItem = (arr: any[]) => arr[Math.floor(Math.random() * arr.length)];
return randomItem(allTunes);
}
const randomTune = getRandomTune();
function App() {
const [mode, setMode] = useState<string>('javascript');
const [code, setCode] = useState<string>(decoded || defaultTune);
const [code, setCode] = useState<string>(decoded || randomTune);
const [log, setLog] = useState('');
const logBox = useRef<any>();
const [error, setError] = useState<Error>();
@ -125,7 +132,7 @@ function App() {
}
// normal mode
try {
const parsed = parse(_code);
const parsed = evaluate(_code);
// need arrow function here! otherwise if user returns a function, react will think it's a state reducer
// only first time, then need ctrl+enter
setPattern(() => parsed.pattern);
@ -164,17 +171,31 @@ function App() {
<img src={logo} className="Tidal-logo w-16 h-16" alt="logo" />
<h1 className="text-2xl">Strudel REPL</h1>
</div>
{window.location.href.includes('http://localhost:8080') && (
<div className="flex space-x-4">
<button
onClick={() => {
if (isHot || confirm('Really switch? You might loose your current pattern..')) {
setIsHot((h) => !h);
}
const _code = getRandomTune();
console.log('tune',_code); // uncomment this to debug when random code fails
setCode(_code);
const parsed = evaluate(_code);
// Tone.Transport.cancel(Tone.Transport.seconds);
setActivePattern(parsed.pattern);
}}
>
{isHot ? '🔥' : ' '} toggle hot mode
🎲 random tune
</button>
)}
{window.location.href.includes('http://localhost:8080') && (
<button
onClick={() => {
if (isHot || confirm('Really switch? You might loose your current pattern..')) {
setIsHot((h) => !h);
}
}}
>
🔥 toggle hot mode
</button>
)}
</div>
</header>
<section className="grow flex flex-col text-gray-100">
<div className="grow relative">

38
repl/src/evaluate.ts Normal file
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@ -0,0 +1,38 @@
import * as strudel from '../../strudel.mjs';
import './tone';
import './midi';
import './voicings';
import './tonal';
import './groove';
import shapeshifter from './shapeshifter';
import { minify } from './parse';
// this will add all methods from definedMethod to strudel + connect all the partial application stuff
const bootstrapped: any = { ...strudel, ...strudel.Pattern.prototype.bootstrap() };
// console.log('bootstrapped',bootstrapped.transpose(2).transpose);
function hackLiteral(literal, names, func) {
names.forEach((name) => {
Object.defineProperty(literal.prototype, name, {
get: function () {
return func(String(this));
},
});
});
}
// with this, you can do 'c2 [eb2 g2]'.mini.fast(2) or 'c2 [eb2 g2]'.m.fast(2),
hackLiteral(String, ['mini', 'm'], bootstrapped.mini); // comment out this line if you panic
hackLiteral(String, ['pure', 'p'], bootstrapped.pure); // comment out this line if you panic
Object.assign(globalThis, bootstrapped); // this will add contents of bootstrapped to scope (used by eval)
export const evaluate: any = (code: string) => {
const shapeshifted = shapeshifter(code); // transform syntactically correct js code to semantically usable code
const pattern = minify(eval(shapeshifted)); // eval and minify (if user entered a string)
if (pattern?.constructor?.name !== 'Pattern') {
const message = `got "${typeof pattern}" instead of pattern`;
throw new Error(message + (typeof pattern === 'function' ? ', did you forget to call a function?' : '.'));
}
return { mode: 'javascript', pattern: pattern };
};

View File

@ -6,3 +6,5 @@ const Pattern = _Pattern as any;
Pattern.prototype.groove = function (groove) {
return groove.fmap(() => (v) => v).appLeft(this);
};
Pattern.prototype.define('groove', (groove, pat) => pat.groove(groove), { composable: true });

View File

@ -1,67 +1,10 @@
import * as krill from '../krill-parser';
import * as strudel from '../../strudel.mjs';
import { Scale, Note, Interval } from '@tonaljs/tonal';
import './tone';
import './midi';
import './voicings';
import './tonal';
import * as tonalStuff from './tonal';
import './groove';
import * as toneStuff from './tone';
import shapeshifter from './shapeshifter';
// even if some functions are not used, we need them to be available in eval
const {
Fraction,
TimeSpan,
Hap,
Pattern,
pure,
stack,
slowcat,
fastcat,
cat,
timeCat,
sequence,
polymeter,
pm,
polyrhythm,
pr,
// reify,
silence,
fast,
slow,
early,
late,
rev,
add,
sub,
mul,
div,
union,
every,
when,
off,
jux,
append,
} = strudel;
const { autofilter, filter, gain } = toneStuff;
const { pure, Pattern, Fraction, stack, slowcat, sequence, timeCat, silence } = strudel;
const { transpose } = tonalStuff;
function reify(thing: any) {
if (thing?.constructor?.name === 'Pattern') {
return thing;
}
return pure(thing);
}
function minify(thing: any) {
if (typeof thing === 'string') {
return mini(thing);
}
return reify(thing);
}
const applyOptions = (parent: any) => (pat: any, i: number) => {
const ast = parent.source_[i];
@ -94,12 +37,20 @@ export function patternifyAST(ast: any): any {
switch (ast.type_) {
case 'pattern':
const children = ast.source_.map(patternifyAST).map(applyOptions(ast));
if (ast.arguments_.alignment === 'v') {
const alignment = ast.arguments_.alignment;
if (alignment === 'v') {
return stack(...children);
}
const weightedChildren = ast.source_.some((child) => !!child.options_?.weight);
if (!weightedChildren && alignment === 't') {
return slowcat(...children);
}
if (weightedChildren) {
return timeCat(...ast.source_.map((child, i) => [child.options_?.weight || 1, children[i]]));
const pat = timeCat(...ast.source_.map((child, i) => [child.options_?.weight || 1, children[i]]));
if (alignment === 't') {
return pat._slow(children.length); // timecat + slow
}
return pat;
}
return sequence(...children);
case 'element':
@ -142,32 +93,13 @@ export function patternifyAST(ast: any): any {
// mini notation only (wraps in "")
export const mini = (...strings: string[]) => {
const pattern = sequence(
...strings.map((str) => {
const ast = krill.parse(`"${str}"`);
// console.log('ast', ast);
return patternifyAST(ast);
})
);
return pattern;
const pats = strings.map((str) => {
const ast = krill.parse(`"${str}"`);
return patternifyAST(ast);
});
return sequence(...pats);
};
// shorthand for mini
const m = mini;
const hackStrings = () => {
const miniGetter = {
get: function () {
return mini(String(this));
},
};
// with this, you can do 'c2 [eb2 g2]'.mini.fast(2) or 'c2 [eb2 g2]'.m.fast(2),
Object.defineProperty(String.prototype, 'mini', miniGetter);
Object.defineProperty(String.prototype, 'm', miniGetter);
};
hackStrings(); // comment out this line if you panic
// includes haskell style (raw krill parsing)
export const h = (string: string) => {
const ast = krill.parse(string);
@ -175,21 +107,22 @@ export const h = (string: string) => {
return patternifyAST(ast);
};
export const parse: any = (code: string) => {
let _pattern;
let mode;
/* try {
_pattern = h(code);
mode = 'pegjs';
} catch (err) { */
// code is not haskell like
mode = 'javascript';
code = shapeshifter(code);
_pattern = minify(eval(code));
if (_pattern?.constructor?.name !== 'Pattern') {
const message = `got "${typeof _pattern}" instead of pattern`;
throw new Error(message + (typeof _pattern === 'function' ? ', did you forget to call a function?' : '.'));
// shorthand for mini
Pattern.prototype.define('mini', mini, { composable: true });
Pattern.prototype.define('m', mini, { composable: true });
Pattern.prototype.define('h', h, { composable: true });
// TODO: move this to strudel?
export function reify(thing: any) {
if (thing?.constructor?.name === 'Pattern') {
return thing;
}
/* } */
return { mode, pattern: _pattern };
};
return pure(thing);
}
export function minify(thing: any) {
if (typeof thing === 'string') {
return mini(thing);
}
return reify(thing);
}

View File

@ -1,5 +1,5 @@
import { Note, Interval, Scale } from '@tonaljs/tonal';
import { Pattern as _Pattern, curry, makeComposable } from '../../strudel.mjs';
import { Pattern as _Pattern } from '../../strudel.mjs';
const Pattern = _Pattern as any;
@ -76,10 +76,6 @@ Pattern.prototype._transpose = function (intervalOrSemitones: string | number) {
};
// example: transpose(3).late(0.2) will be equivalent to compose(transpose(3), late(0.2))
export const transpose = curry(
(a, pat) => pat.transpose(a),
(partial) => makeComposable(partial)
);
// TODO: add Pattern.define(name, function, options) that handles all the meta programming stuff
// TODO: find out how to patternify this function when it's standalone
// e.g. `stack(c3).superimpose(transpose(slowcat(7, 5)))` or
@ -97,5 +93,6 @@ Pattern.prototype._scale = function (scale: string) {
return this._mapNotes((value) => ({ ...value, scale }));
};
Pattern.prototype.patternified = Pattern.prototype.patternified.concat(['transpose', 'scaleTranspose', 'scale']);
Object.assign(Pattern.prototype.composable, { transpose });
Pattern.prototype.define('transpose', (a, pat) => pat.transpose(a), { composable: true, patternified: true });
Pattern.prototype.define('scale', (a, pat) => pat.scale(a), { composable: true, patternified: true });
Pattern.prototype.define('scaleTranspose', (a, pat) => pat.scaleTranspose(a), { composable: true, patternified: true });

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@ -89,3 +89,7 @@ Pattern.prototype.autofilter = function (g: number) {
};
Pattern.prototype.patternified = Pattern.prototype.patternified.concat(['synth', 'gain', 'filter']);
Pattern.prototype.define('synth', (type, pat) => pat.synth(type), { composable: true, patternified: true });
Pattern.prototype.define('gain', (gain, pat) => pat.synth(gain), { composable: true, patternified: true });
Pattern.prototype.define('filter', (cutoff, pat) => pat.filter(cutoff), { composable: true, patternified: true });

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@ -36,8 +36,6 @@ export const shapeShifted = `stack(
).rev()
).slow(16)`;
export const tetrisMidi = `${shapeShifted}.midi('IAC-Treiber Bus 1')`;
export const tetrisWithFunctions = `stack(sequence(
'e5', sequence('b4', 'c5'), 'd5', sequence('c5', 'b4'),
'a4', sequence('a4', 'c5'), 'e5', sequence('d5', 'c5'),
@ -57,10 +55,9 @@ export const tetrisWithFunctions = `stack(sequence(
'b1', 'b2', 'b1', 'b2', 'e2', 'e3', 'e2', 'e3',
'a1', 'a2', 'a1', 'a2', 'a1', 'a2', 'a1', 'a2',
)
)._slow(16)`;
).slow(16)`;
export const tetris = `stack(
sequence(
mini(
'e5 [b4 c5] d5 [c5 b4]',
'a4 [a4 c5] e5 [d5 c5]',
@ -70,9 +67,7 @@ export const tetris = `stack(
'e5 [~ c5] e5 [d5 c5]',
'b4 [b4 c5] d5 e5',
'c5 a4 a4 ~'
)
),
sequence(
),
mini(
'e2 e3 e2 e3 e2 e3 e2 e3',
'a2 a3 a2 a3 a2 a3 a2 a3',
@ -82,14 +77,10 @@ export const tetris = `stack(
'c2 c3 c2 c3 c2 c3 c2 c3',
'b1 b2 b1 b2 e2 e3 e2 e3',
'a1 a2 a1 a2 a1 a2 a1 a2'
)
)
).slow(16).synth({
oscillator: {type: 'sawtooth'}
})`;
).slow(16)`;
export const tetrisRev = `stack(
sequence(
mini(
'e5 [b4 c5] d5 [c5 b4]',
'a4 [a4 c5] e5 [d5 c5]',
@ -99,9 +90,7 @@ export const tetrisRev = `stack(
'e5 [~ c5] e5 [d5 c5]',
'b4 [b4 c5] d5 e5',
'c5 a4 a4 ~'
).rev()
),
sequence(
).rev(),
mini(
'e2 e3 e2 e3 e2 e3 e2 e3',
'a2 a3 a2 a3 a2 a3 a2 a3',
@ -112,8 +101,7 @@ export const tetrisRev = `stack(
'b1 b2 b1 b2 e2 e3 e2 e3',
'a1 a2 a1 a2 a1 a2 a1 a2'
).rev()
)
).slow(16).synth('sawtooth').filter(1000).gain(0.6)`;
).slow(16)`;
/*
.synth({
@ -123,8 +111,10 @@ export const tetrisRev = `stack(
*/
export const tetrisMini1 = `m\`[[e5 [b4 c5] d5 [c5 b4]] [a4 [a4 c5] e5 [d5 c5]] [b4 [~ c5] d5 e5] [c5 a4 a4 ~] [[~ d5] [~ f5] a5 [g5 f5]] [e5 [~ c5] e5 [d5 c5]] [b4 [b4 c5] d5 e5] [c5 a4 a4 ~]],[[e2 e3 e2 e3 e2 e3 e2 e3] [a2 a3 a2 a3 a2 a3 a2 a3] [g#2 g#3 g#2 g#3 e2 e3 e2 e3] [a2 a3 a2 a3 a2 a3 b1 c2] [d2 d3 d2 d3 d2 d3 d2 d3] [c2 c3 c2 c3 c2 c3 c2 c3] [b1 b2 b1 b2 e2 e3 e2 e3] [a1 a2 a1 a2 a1 a2 a1 a2]]')._slow(16)\``;
export const tetrisMini = `m\`[[e5 [b4 c5] d5 [c5 b4]]
/* export const tetrisMini1 =
"'[[e5 [b4 c5] d5 [c5 b4]] [a4 [a4 c5] e5 [d5 c5]] [b4 [~ c5] d5 e5] [c5 a4 a4 ~] [[~ d5] [~ f5] a5 [g5 f5]] [e5 [~ c5] e5 [d5 c5]] [b4 [b4 c5] d5 e5] [c5 a4 a4 ~]],[[e2 e3 e2 e3 e2 e3 e2 e3] [a2 a3 a2 a3 a2 a3 a2 a3] [g#2 g#3 g#2 g#3 e2 e3 e2 e3] [a2 a3 a2 a3 a2 a3 b1 c2] [d2 d3 d2 d3 d2 d3 d2 d3] [c2 c3 c2 c3 c2 c3 c2 c3] [b1 b2 b1 b2 e2 e3 e2 e3] [a1 a2 a1 a2 a1 a2 a1 a2]]'.mini.slow(16)";
*/
export const tetrisMini = `\`[[e5 [b4 c5] d5 [c5 b4]]
[a4 [a4 c5] e5 [d5 c5]]
[b4 [~ c5] d5 e5]
[c5 a4 a4 ~]
@ -139,10 +129,10 @@ export const tetrisMini = `m\`[[e5 [b4 c5] d5 [c5 b4]]
[[d2 d3]*4]
[[c2 c3]*4]
[[b1 b2]*2 [e2 e3]*2]
[[a1 a2]*4]\`._slow(16);
[[a1 a2]*4]\`.mini.slow(16)
`;
export const tetrisHaskellH = `h(\`slow 16 $ "[[e5 [b4 c5] d5 [c5 b4]]
/* export const tetrisHaskellH = `h(\`slow 16 $ "[[e5 [b4 c5] d5 [c5 b4]]
[a4 [a4 c5] e5 [d5 c5]]
[b4 [~ c5] d5 e5]
[c5 a4 a4 ~]
@ -158,8 +148,9 @@ export const tetrisHaskellH = `h(\`slow 16 $ "[[e5 [b4 c5] d5 [c5 b4]]
[[c2 c3]*4]
[[b1 b2]*2 [e2 e3]*2]
[[a1 a2]*4]"\`)
`;
export const tetrisHaskell = `slow 16 $ "[[e5 [b4 c5] d5 [c5 b4]]
`; */
// following syntax is not supported anymore
/* export const tetrisHaskell = `slow 16 $ "[[e5 [b4 c5] d5 [c5 b4]]
[a4 [a4 c5] e5 [d5 c5]]
[b4 [~ c5] d5 e5]
[c5 a4 a4 ~]
@ -175,23 +166,23 @@ export const tetrisHaskell = `slow 16 $ "[[e5 [b4 c5] d5 [c5 b4]]
[[c2 c3]*4]
[[b1 b2]*2 [e2 e3]*2]
[[a1 a2]*4]"
`;
`; */
/*
export const tetrisHaskell = `h(\`slow 16 $ "[[e5 [b4 c5] d5 [c5 b4]] [a4 [a4 c5] e5 [d5 c5]] [b4 [~ c5] d5 e5] [c5 a4 a4 ~] [[~ d5] [~ f5] a5 [g5 f5]] [e5 [~ c5] e5 [d5 c5]] [b4 [b4 c5] d5 e5] [c5 a4 a4 ~]], [[e2 e3]*4] [[a2 a3]*4] [[g#2 g#3]*2 [e2 e3]*2] [a2 a3 a2 a3 a2 a3 b1 c2] [[d2 d3]*4] [[c2 c3]*4] [[b1 b2]*2 [e2 e3]*2] [[a1 a2]*4]"\`)`;
*/
export const spanish = `slowcat(
stack('c4','eb4','g4'),
stack('bb3','d4','f4'),
stack('ab3','c4','eb4'),
stack('g3','b3','d4')
)`;
stack(c4,eb4,g4),
stack(bb3,d4,f4),
stack(ab3,c4,eb4),
stack(g3,b3,d4)
)`;
export const whirlyStrudel = `mini("[e4 [b2 b3] c4]")
.every(4, x => x.fast(2))
.every(3, x => x.slow(1.5))
.fast(slowcat(1.25,1,1.5))
.every(2, _ => mini("e4 ~ e3 d4 ~"))`;
.every(4, fast(2))
.every(3, slow(1.5))
.fast(slowcat(1.25, 1, 1.5))
.every(2, _ => mini("e4 ~ e3 d4 ~"))`;
export const swimming = `stack(
mini(
@ -278,12 +269,39 @@ export const giantSteps = `stack(
)
).slow(20);`;
export const transposedChords = `stack(
export const giantStepsReggae = `stack(
// melody
mini(
'[F#5 D5] [B4 G4] Bb4 [B4 A4]',
'[D5 Bb4] [G4 Eb4] F#4 [G4 F4]',
'Bb4 [B4 A4] D5 [D#5 C#5]',
'F#5 [G5 F5] Bb5 [F#5 [F#5 ~@3]]',
),
// chords
mini(
'[B^7 D7] [G^7 Bb7] Eb^7 [Am7 D7]',
'[G^7 Bb7] [Eb^7 F#7] B^7 [Fm7 Bb7]',
'Eb^7 [Am7 D7] G^7 [C#m7 F#7]',
'B^7 [Fm7 Bb7] Eb^7 [C#m7 F#7]'
)
.groove('~ [x ~]'.m.fast(4*8))
.voicings(['E3', 'G4']),
// bass
mini(
'[B2 D2] [G2 D2] [Eb2 Bb2] [A2 D2]',
'[G2 Bb2] [Eb2 F#2] [B2 F#2] [F2 Bb2]',
'[Eb2 Bb2] [A2 D2] [G2 D2] [C#2 F#2]',
'[B2 F#2] [F2 Bb2] [Eb2 Bb2] [C#2 F#2]'
)
.groove('x ~'.m.fast(4*8))
).slow(25)`;
/* export const transposedChords = `stack(
m('c2 eb2 g2'),
m('Cm7').voicings(['g2','c4']).slow(2)
).transpose(
slowcat(1, 2, 3, 2).slow(2)
).transpose(5)`;
).transpose(5)`; */
export const transposedChordsHacked = `stack(
'c2 eb2 g2'.mini,
@ -295,55 +313,38 @@ export const transposedChordsHacked = `stack(
export const scaleTranspose = `stack(f2, f3, c4, ab4)
.scale(sequence('F minor', 'F harmonic minor').slow(4))
.scaleTranspose(sequence(0, -1, -2, -3).slow(4))
.transpose(sequence(0, 1).slow(16))
.synth('sawtooth')
.filter(800)
.gain(0.5)`;
.transpose(sequence(0, 1).slow(16))`;
export const groove = `stack(
m('c2 g2 a2 [e2@2 eb2] d2 a2 g2 [d2 ~ db2]')
.synth('sawtooth')
.filter(500)
.gain(.6),
/* export const groove = `stack(
m('c2 g2 a2 [e2@2 eb2] d2 a2 g2 [d2 ~ db2]'),
m('[C^7 A7] [Dm7 G7]')
.groove(m('[x@2 x] [~@2 x] [~ x@2]@2 [x ~@2] ~ [~@2 x@4]@2'))
.voicings(['G3','A4'])
.synth('square')
.filter(1000)
.adsr(.1,.1,.2)
.gain(0.25)
).slow(4.5)`;
).slow(4.5)`; */
export const grooveHacked = `stack(
'c2 g2 a2 [e2@2 eb2] d2 a2 g2 [d2 ~ db2]'.mini
.synth('sawtooth')
.filter(500)
.gain(.6),
export const groove = `stack(
'c2 g2 a2 [e2@2 eb2] d2 a2 g2 [d2 ~ db2]'.mini,
'[C^7 A7] [Dm7 G7]'.mini.groove('[x@2 x] [~@2 x] [~ x@2]@2 [x ~@2] ~ [~@2 x@4]@2'.mini)
.voicings(['G3','A4'])
.synth('square')
.filter(1000)
.adsr(.1,.1,.2)
.gain(0.25)
).slow(4.5)`;
).slow(4)`;
export const magicSofa = `stack(
/* export const magicSofa = `stack(
m('[C^7 F^7 ~]/3 [Dm7 G7 A7 ~]/4')
.every(2, fast(2))
.voicings(),
m('[c2 f2 g2]/3 [d2 g2 a2 e2]/4')
).slow(1)
.transpose.slowcat(0, 2, 3, 4).midi()`;
.transpose.slowcat(0, 2, 3, 4)`; */
export const magicSofaHacked = `stack(
export const magicSofa = `stack(
'[C^7 F^7 ~]/3 [Dm7 G7 A7 ~]/4'.mini
.every(2, fast(2))
.voicings(),
'[c2 f2 g2]/3 [d2 g2 a2 e2]/4'.mini
).slow(1)
.transpose.slowcat(0, 2, 3, 4).midi()`;
.transpose.slowcat(0, 2, 3, 4)`;
export const confusedPhone = `stack('[g2 ~@1.3] [c3 ~@1.3]'.mini.slow(2))
/* export const confusedPhone = `stack('[g2 ~@1.3] [c3 ~@1.3]'.mini.slow(2))
.superimpose(
x => transpose(-12,x).late(0),
x => transpose(7,x).late(0.2),
@ -353,7 +354,7 @@ export const confusedPhone = `stack('[g2 ~@1.3] [c3 ~@1.3]'.mini.slow(2))
)
.scale(sequence('C dorian', 'C mixolydian').slow(4))
.scaleTranspose(slowcat(0,1,2,1).slow(2))
.synth('triangle').gain(0.2).filter(1500)`;
.synth('triangle').gain(0.5).filter(1500)`; */
export const confusedPhoneDynamic = `stack('[g2 ~@1.3] [c3 ~@1.3]'.mini.slow(2))
.superimpose(
@ -361,18 +362,16 @@ export const confusedPhoneDynamic = `stack('[g2 ~@1.3] [c3 ~@1.3]'.mini.slow(2))
)
.scale(sequence('C dorian', 'C mixolydian').slow(4))
.scaleTranspose(slowcat(0,1,2,1).slow(2))
.synth('triangle').gain(0.2).filter(1500)`;
.synth('triangle').gain(0.5).filter(1500)`;
export const confusedPhonePartial = `stack('[g2 ~@1.3] [c3 ~@1.3]'.mini.slow(2))
export const confusedPhone = `'[g2 ~@1.3] [c3 ~@1.3]'.mini
.superimpose(
transpose(-12).late(0),
transpose(7).late(0.2),
transpose(10).late(0.4),
transpose(12).late(0.6),
transpose(24).late(0.8)
transpose(7).late(0.1),
transpose(10).late(0.2),
transpose(12).late(0.3),
transpose(24).late(0.4)
)
.scale(sequence('C dorian', 'C mixolydian').slow(4))
.scaleTranspose(slowcat(0,1,2,1).slow(2))
.synth('triangle').gain(0.2).filter(1500)`;
export default swimming;
.scale(slowcat('C dorian', 'C mixolydian'))
.scaleTranspose(slowcat(0,1,2,1))
.slow(2)`;

View File

@ -1,6 +1,6 @@
import { Pattern as _Pattern, stack, TimeSpan, Hap, reify } from '../../strudel.mjs';
import voicings from 'chord-voicings';
const { dictionaryVoicing, minTopNoteDiff, lefthand } = voicings;
import { Pattern as _Pattern, stack, Hap, reify } from '../../strudel.mjs';
import _voicings from 'chord-voicings';
const { dictionaryVoicing, minTopNoteDiff, lefthand } = _voicings;
const getVoicing = (chord, lastVoicing, range = ['F3', 'A4']) =>
dictionaryVoicing({
@ -25,10 +25,29 @@ Pattern.prototype.fmapNested = function (func) {
);
};
Pattern.prototype.voicings = function (range = ['F3', 'A4']) {
Pattern.prototype.voicings = function (range) {
let lastVoicing;
if (!range?.length) {
// allows to pass empty array, if too lazy to specify range
range = ['F3', 'A4'];
}
return this.fmapNested((event) => {
lastVoicing = getVoicing(event.value, lastVoicing, range);
return stack(...lastVoicing);
});
};
Pattern.prototype.chordBass = function () { // range = ['G1', 'C3']
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 });

View File

@ -9,7 +9,7 @@ const flatten = arr => [].concat(...arr)
const id = a => a
export function curry(func, overload) {
return function curried(...args) {
const fn = function curried(...args) {
if (args.length >= func.length) {
return func.apply(this, args)
}
@ -23,6 +23,10 @@ export function curry(func, overload) {
return partial;
}
}
if (overload) { // overload function without args... needed for chordBass.transpose(2)
overload(fn, []);
}
return fn;
}
// Returns the start of the cycle.
@ -567,6 +571,10 @@ class Pattern {
superimpose(...funcs) {
return this.stack(...funcs.map((func) => func(this)));
}
edit(...funcs) {
return stack(...funcs.map(func => func(this)));
}
}
// methods of Pattern that get callable factories
@ -575,20 +583,6 @@ Pattern.prototype.patternified = ['fast', 'slow', 'early', 'late'];
Pattern.prototype.factories = { pure, stack, slowcat, fastcat, cat, timeCat, sequence, polymeter, pm, polyrhythm, pr};
// the magic happens in Pattern constructor. Keeping this in prototype enables adding methods from the outside (e.g. see tonal.ts)
// let's hack built in strings
const hackStrings = () => {
const pureGetter = {
get: function () {
return pure(String(this));
},
};
// with this, you can do 'c2'.pure.fast(2) or 'c2'.p.fast(2)
Object.defineProperty(String.prototype, 'pure', pureGetter);
Object.defineProperty(String.prototype, 'p', pureGetter);
};
hackStrings(); // comment out this line if you panic
const silence = new Pattern(_ => [])
function pure(value) {
@ -604,7 +598,7 @@ function steady(value) {
}
function reify(thing) {
if (thing.constructor.name == "Pattern") {
if (thing?.constructor?.name == "Pattern") {
return thing
}
return pure(thing)
@ -744,8 +738,13 @@ const when = curry((binary, f, pat) => pat.when(binary, f))
const off = curry((t, f, pat) => pat.off(t,f))
const jux = curry((f, pat) => pat.jux(f))
const append = curry((a, pat) => pat.append(a))
const superimpose = curry((array, pat) => pat.superimpose(...array))
Pattern.prototype.composable = { fast, slow, early, late }
// problem: curried functions with spread arguments must have pat at the beginning
// with this, we cannot keep the pattern open at the end.. solution for now: use array to keep using pat as last arg
// these are the core composable functions. they are extended with Pattern.prototype.define below
Pattern.prototype.composable = { fast, slow, early, late, superimpose }
// adds Pattern.prototype.composable to given function as child functions
// then you can do transpose(2).late(0.2) instead of x => x.transpose(2).late(0.2)
@ -754,16 +753,42 @@ export function makeComposable(func) {
// compose with dot
func[functionName] = (...args) => {
// console.log(`called ${functionName}(${args.join(',')})`);
return compose(func, composable(...args));
const composition = compose(func, composable(...args));
// the composition itself must be composable too :)
// then you can do endless chaining transpose(2).late(0.2).fast(2) ...
return makeComposable(composition);
};
});
return func;
}
// this will add func as name to list of composable / patternified functions.
// those lists will be used in bootstrap to curry and compose everything, to support various call patterns
Pattern.prototype.define = (name, func, options = {}) => {
if (options.composable) {
Pattern.prototype.composable[name] = func;
}
if(options.patternified) {
Pattern.prototype.patternified = Pattern.prototype.patternified.concat([name]);
}
}
// call this after all Patter.prototype.define calls have been executed! (right before evaluate)
Pattern.prototype.bootstrap = () => {
// makeComposable(Pattern.prototype);
const bootstrapped = Object.fromEntries(Object.entries(Pattern.prototype.composable).map(([functionName, composable]) => {
if(Pattern.prototype[functionName]) {
// without this, 'C^7'.m.chordBass.transpose(2) will throw "C^7".m.chordBass.transpose is not a function
Pattern.prototype[functionName] = makeComposable(Pattern.prototype[functionName]); // is this needed?
}
return [functionName, curry(composable, makeComposable)];
}));
return bootstrapped;
}
// TODO: automatically make curried functions curried functions composable
// see tonal.ts#transpose for an example
export {Fraction, TimeSpan, Hap, Pattern,
pure, stack, slowcat, fastcat, cat, timeCat, sequence, polymeter, pm, polyrhythm, pr, reify, silence,
fast, slow, early, late, rev,
add, sub, mul, div, union, every, when, off, jux, append
add, sub, mul, div, union, every, when, off, jux, append, superimpose
}