mirror of
https://codeberg.org/uzu/strudel
synced 2026-09-04 22:52:55 -04:00
Felix Roos
100 lines
3.6 KiB
JavaScript
100 lines
3.6 KiB
JavaScript
import { evaluate, evalScope } from '@strudel.cycles/eval';
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import { Scheduler, getAudioContext } from '@strudel.cycles/webaudio';
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import { loadWebDirt } from '@strudel.cycles/webdirt';
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import controls from '@strudel.cycles/core/controls.mjs';
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// import desired modules and add them to the eval scope
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await evalScope(
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import('@strudel.cycles/core'),
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import('@strudel.cycles/mini'),
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import('@strudel.cycles/osc'),
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import('@strudel.cycles/webdirt'),
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import('@strudel.cycles/webaudio'),
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import('@strudel.cycles/tonal'),
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controls,
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// import other strudel packages here
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); // add strudel to eval scope
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const audioContext = getAudioContext();
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const latency = 0.2;
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// load default samples + init webdirt
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loadWebDirt({
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audioContext,
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latency,
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sampleMapUrl: 'https://strudel.tidalcycles.org/EmuSP12.json',
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sampleFolder: 'https://strudel.tidalcycles.org/EmuSP12/',
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});
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// the scheduler will query the pattern within the given interval
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const scheduler = new Scheduler({
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audioContext,
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interval: 0.1,
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latency,
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onEvent: (hap) => {
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/* const delta = hap.whole.begin - audioContext.currentTime;
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console.log('delta', delta); */
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// when using .osc or .webdirt, each hap will have context.onTrigger set
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// if no onTrigger is set, try to play hap.value as frequency with a cheap oscillator
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if (!hap.context.onTrigger) {
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// console.log('e', e.show());
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const oscillator = audioContext.createOscillator();
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const master = audioContext.createGain();
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master.gain.value = 0.1;
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master.connect(audioContext.destination);
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oscillator.type = 'sawtooth';
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oscillator.frequency.value = hap.value;
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oscillator.connect(master);
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oscillator.start(hap.whole.begin);
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oscillator.stop(hap.whole.end);
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}
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},
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});
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// eval + start on button click
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document.getElementById('start').addEventListener('click', async () => {
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const { pattern } = await evaluate(
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// 's("bd sd").osc()', // need to run sclang + osc server (npm run osc in strudel root)
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/* `stack(
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freq("55 [110,165] 110 [220,275]".mul("<1 <3/4 2/3>>").struct("x(3,8)")
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.layer(x=>x.mul("1.006,.995"))), // detune
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freq("440(5,8)".legato(.18).mul("<1 3/4 2 2/3>")).gain(perlin.range(.2,.8))
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).s("<sawtooth square>/2")
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.cutoff(perlin.range(100,4000).slow(4))
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.jux(rev)
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.out()
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.stack(s("bd(3,8),hh*4,~ sd").webdirt())`, */
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`samples({
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clubkick: 'clubkick/2.wav',
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sd: ['808sd/SD0010.WAV','808sd/SD0050.WAV'],
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hh: 'hh/000_hh3closedhh.wav',
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clak: 'clak/000_clak1.wav',
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jvbass: ['jvbass/000_01.wav','jvbass/001_02.wav','jvbass/003_04.wav','jvbass/004_05.wav','jvbass/005_06.wav']
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}, 'https://raw.githubusercontent.com/tidalcycles/Dirt-Samples/master/');
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stack(
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"<clubkick*2>,[~ <sd!3 sd(3,4,2)>],hh(3,4)".s().n("<0 1 2>").speed(perlin.range(.7,.9)),
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"<a1 b1*2 a1(3,8) e2>"
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.off(1/8,x=>x.add(12).degradeBy(.5))
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.add(perlin.range(0,.5))
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.n().decay(.15).sustain(0).s("sawtooth")
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.superimpose(x=>x.add(.08)).gain(.4)
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.cutoff(sine.slow(7).range(300,5000)),
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"<Am7!3 <Em7 E7b13 Em7 Ebm7b5>>".voicings().superimpose(x=>x.add(.04))
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.add(perlin.range(0,.5))
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.n().s('sawtooth')
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.gain(.16)
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.cutoff(500)
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.attack(1),
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"a4 c5 <e6 a6>".struct("x(5,8)")
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.superimpose(x=>x.add(.04))
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.add(perlin.range(0,.5)).n()
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.decay(.1).sustain(0).s('triangle')
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.degradeBy(perlin.range(0,.5)).echoWith(4,.125,(x,n)=>x.gain(.15*1/(n+1)))
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)
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.out()
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.slow(3/2)`,
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);
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scheduler.setPattern(pattern);
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scheduler.start();
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});
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