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Merge branch 'main' into fanchor

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This commit is contained in:
Felix Roos 2024-05-28 22:48:58 +02:00
commit d9214b91b6
18 changed files with 533 additions and 7056 deletions
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59
packages/superdough/superdough.mjs
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@ -7,9 +7,9 @@ This program is free software: you can redistribute it and/or modify it under th
import './feedbackdelay.mjs';
import './reverb.mjs';
import './vowel.mjs';
import { clamp, nanFallback } from './util.mjs';
import { clamp, nanFallback, _mod } from './util.mjs';
import workletsUrl from './worklets.mjs?url';
import { createFilter, gainNode, getCompressor } from './helpers.mjs';
import { createFilter, gainNode, getCompressor, getWorklet } from './helpers.mjs';
import { map } from 'nanostores';
import { logger } from './logger.mjs';
import { loadBuffer } from './sampler.mjs';
@ -84,14 +84,6 @@ function loadWorklets() {
return workletsLoading;
}
export function getWorklet(ac, processor, params, config) {
const node = new AudioWorkletNode(ac, processor, config);
Object.entries(params).forEach(([key, value]) => {
node.parameters.get(key).value = value;
});
return node;
}
// this function should be called on first user interaction (to avoid console warning)
export async function initAudio(options = {}) {
const { disableWorklets = false } = options;
@ -178,26 +170,25 @@ function getDelay(orbit, delaytime, delayfeedback, t) {
return delays[orbit];
}
// each orbit will have its own lfo
const phaserLFOs = {};
function getPhaser(orbit, t, speed = 1, depth = 0.5, centerFrequency = 1000, sweep = 2000) {
function getPhaser(time, end, frequency = 1, depth = 0.5, centerFrequency = 1000, sweep = 2000) {
//gain
const ac = getAudioContext();
const lfoGain = ac.createGain();
lfoGain.gain.value = sweep;
lfoGain.gain.value = sweep * 2;
// centerFrequency = centerFrequency * 2;
// sweep = sweep * 1.5;
//LFO
if (phaserLFOs[orbit] == null) {
phaserLFOs[orbit] = ac.createOscillator();
phaserLFOs[orbit].frequency.value = speed;
phaserLFOs[orbit].type = 'sine';
phaserLFOs[orbit].start();
}
phaserLFOs[orbit].connect(lfoGain);
if (phaserLFOs[orbit].frequency.value != speed) {
phaserLFOs[orbit].frequency.setValueAtTime(speed, t);
}
const lfo = getWorklet(ac, 'lfo-processor', {
frequency,
depth: 1,
skew: 0,
phaseoffset: 0,
time,
end,
shape: 1,
dcoffset: -0.5,
});
lfo.connect(lfoGain);
//filters
const numStages = 2; //num of filters in series
@ -220,10 +211,14 @@ function getPhaser(orbit, t, speed = 1, depth = 0.5, centerFrequency = 1000, swe
return filterChain[filterChain.length - 1];
}
function getFilterType(ftype) {
ftype = ftype ?? 0;
const filterTypes = ['12db', 'ladder', '24db'];
return typeof ftype === 'number' ? filterTypes[Math.floor(_mod(ftype, filterTypes.length))] : ftype;
}
let reverbs = {};
let hasChanged = (now, before) => now !== undefined && now !== before;
function getReverb(orbit, duration, fade, lp, dim, ir) {
// If no reverb has been created for a given orbit, create one
if (!reverbs[orbit]) {
@ -322,8 +317,8 @@ export const superdough = async (value, t, hapDuration) => {
postgain = defaults.get('postgain'),
density = defaults.get('density'),
// filters
ftype = defaults.get('ftype'),
fanchor = defaults.get('fanchor'),
drive = 0.69,
// low pass
cutoff,
lpenv,
@ -428,6 +423,8 @@ export const superdough = async (value, t, hapDuration) => {
// gain stage
chain.push(gainNode(gain));
//filter
const ftype = getFilterType(value.ftype);
if (cutoff !== undefined) {
let lp = () =>
createFilter(
@ -443,6 +440,8 @@ export const superdough = async (value, t, hapDuration) => {
t,
t + hapDuration,
fanchor,
ftype,
drive,
);
chain.push(lp());
if (ftype === '24db') {
@ -518,7 +517,7 @@ export const superdough = async (value, t, hapDuration) => {
}
// phaser
if (phaser !== undefined && phaserdepth > 0) {
const phaserFX = getPhaser(orbit, t, phaser, phaserdepth, phasercenter, phasersweep);
const phaserFX = getPhaser(t, t + hapDuration, phaser, phaserdepth, phasercenter, phasersweep);
chain.push(phaserFX);
}