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make webaudio compatible with repl

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+ rename osc to wave
+ migrate repl.html
This commit is contained in:
Felix Roos 2022-04-16 21:39:14 +02:00
parent e0e3ab941e
commit f210c4425b
4 changed files with 19 additions and 8 deletions
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12
packages/webaudio/webaudio.mjs
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@ -1,4 +1,4 @@
import { Pattern } from '@strudel.cycles/core';
import { Pattern, getFrequency } from '@strudel.cycles/core';
let audioContext;
export const getAudioContext = () => {
@ -30,11 +30,12 @@ Pattern.prototype.withAudioNode = function (createAudioNode) {
});
};
Pattern.prototype._osc = function (type) {
Pattern.prototype._wave = function (type) {
return this.withAudioNode((e) => {
const osc = getAudioContext().createOscillator();
osc.type = type;
osc.frequency.value = e.value; // expects frequency..
const f = getFrequency(e);
osc.frequency.value = f; // expects frequency..
osc.start(e.whole.begin.valueOf() + lookahead);
osc.stop(e.whole.end.valueOf() + lookahead); // release?
return osc;
@ -68,7 +69,10 @@ Pattern.prototype.out = function () {
console.warn('out: no source! call .osc() first');
}
node?.connect(master);
})._withEvent((event) => {
const onTrigger = (_, e) => e.context?.createAudioNode?.(e);
return event.setContext({ ...event.context, onTrigger });
});
};
Pattern.prototype.define('osc', (type, pat) => pat.osc(type), { patternified: true });
Pattern.prototype.define('wave', (type, pat) => pat.wave(type), { patternified: true });