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add prebake script with piano

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This commit is contained in:
Felix Roos 2022-06-27 00:04:33 +02:00
parent fe9a6e8fdd
commit 5791f12a28
2 changed files with 59 additions and 0 deletions
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4
repl/src/App.jsx
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@ -12,6 +12,7 @@ import React, { useCallback, useEffect, useLayoutEffect, useRef, useState } from
import './App.css';
import logo from './logo.svg';
import * as tunes from './tunes.mjs';
import { prebake } from './prebake.mjs';
import * as WebDirt from 'WebDirt';
import { loadWebDirt } from '@strudel.cycles/webdirt';
import { resetLoadedSamples, getAudioContext } from '@strudel.cycles/webaudio';
@ -46,6 +47,8 @@ loadWebDirt({
sampleFolder: 'EmuSP12',
});
prebake();
async function initCode() {
// load code from url hash (either short hash from database or decode long hash)
try {
@ -218,6 +221,7 @@ function App() {
cleanupDraw();
cleanupUi();
resetLoadedSamples();
prebake();
const parsed = await evaluate(_code);
setPattern(parsed.pattern);
setActiveCode(_code);

55
repl/src/prebake.mjs Normal file
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@ -0,0 +1,55 @@
import { Pattern, toMidi } from '@strudel.cycles/core';
import { samples } from '@strudel.cycles/webaudio';
export function prebake() {
samples(
{
piano: {
A0: 'A0v8.mp3',
C1: 'C1v8.mp3',
Ds1: 'Ds1v8.mp3',
Fs1: 'Fs1v8.mp3',
A1: 'A1v8.mp3',
C2: 'C2v8.mp3',
Ds2: 'Ds2v8.mp3',
Fs2: 'Fs2v8.mp3',
A2: 'A2v8.mp3',
C3: 'C3v8.mp3',
Ds3: 'Ds3v8.mp3',
Fs3: 'Fs3v8.mp3',
A3: 'A3v8.mp3',
C4: 'C4v8.mp3',
Ds4: 'Ds4v8.mp3',
Fs4: 'Fs4v8.mp3',
A4: 'A4v8.mp3',
C5: 'C5v8.mp3',
Ds4: 'Ds4v8.mp3',
Fs5: 'Fs5v8.mp3',
A5: 'A5v8.mp3',
C6: 'C6v8.mp3',
Ds6: 'Ds6v8.mp3',
Fs6: 'Fs6v8.mp3',
A6: 'A6v8.mp3',
C7: 'C7v8.mp3',
Ds7: 'Ds7v8.mp3',
Fs7: 'Fs7v8.mp3',
A7: 'A7v8.mp3',
C8: 'C8v8.mp3',
},
},
'https://tambien.github.io/Piano/audio/',
);
}
const maxPan = toMidi('C8');
const panwidth = (pan, width) => pan * width + (1 - width) / 2;
Pattern.prototype.piano = function () {
return this.choke(1)
.s('piano')
.fmap((value) => {
// pan by pitch
const pan = panwidth(Math.min(toMidi(value.note) / maxPan, 1), 0.5);
return { ...value, pan: (value.pan || 1) * pan };
});
};