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experimental strudel audio engine support

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This commit is contained in:
Raphaël Forment
2023-07-31 21:56:43 +02:00
parent 4f57b70e0f
commit 3b65cfd5c7
3 changed files with 70 additions and 28 deletions
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77
src/API.ts
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@ -3,14 +3,28 @@ import { scale } from './Scales';
import { tryEvaluate } from "./Evaluator";
import { MidiConnection } from "./IO/MidiConnection";
// @ts-ignore
import { webaudioOutput, samples } from '@strudel.cycles/webaudio';
// @ts-ignore
import { ZZFX, zzfx } from "zzfx";
const sound = (value: any) => ({
value,
context: {},
ensureObjectValue: () => { }
});
export class UserAPI {
variables: { [key: string]: any } = {}
MidiConnection: MidiConnection = new MidiConnection()
strudelSound = webaudioOutput()
load: samples
constructor(public app: Editor) { }
constructor(public app: Editor) {
this.load = samples("github:tidalcycles/Dirt-Samples/master");
}
// =============================================================
// Utility functions
@ -27,13 +41,15 @@ export class UserAPI {
}
r = this.rate
script(...args: number[]): void {
args.forEach(arg => { tryEvaluate(this.app, this.app.universes[
this.app.selected_universe].locals[arg]) })
script(...args: number[]): void {
args.forEach(arg => {
tryEvaluate(this.app, this.app.universes[
this.app.selected_universe].locals[arg])
})
}
s = this.script
clearscript(script: number): void {
clearscript(script: number): void {
this.app.universes[this.app.selected_universe].locals[script] = {
candidate: '', committed: '', evaluations: 0
}
@ -42,8 +58,8 @@ export class UserAPI {
copyscript(from: number, to: number): void {
// Copy a script to another script
this.app.universes[this.app.selected_universe].locals[to] =
this.app.universes[this.app.selected_universe].locals[from]
this.app.universes[this.app.selected_universe].locals[to] =
this.app.universes[this.app.selected_universe].locals[from]
}
cps = this.copyscript
@ -55,7 +71,7 @@ export class UserAPI {
public midi_outputs(): void {
console.log(this.MidiConnection.listMidiOutputs())
}
public midi_output(outputName: string): void {
if (!outputName) {
console.log(this.MidiConnection.getCurrentMidiPort())
@ -69,7 +85,7 @@ export class UserAPI {
}
public note(note: number, channel: number, velocity: number, duration: number): void {
this.MidiConnection.sendMidiNote( note, channel, velocity, duration)
this.MidiConnection.sendMidiNote(note, channel, velocity, duration)
}
public midi_clock(): void {
@ -97,7 +113,7 @@ export class UserAPI {
}
}
v = this.variable
public delete_variable(name: string): void {
delete this.variables[name]
}
@ -111,7 +127,7 @@ export class UserAPI {
// =============================================================
// Small algorithmic functions
// =============================================================
pick<T>(...array: T[]): T { return array[Math.floor(Math.random() * array.length)] }
seqbeat<T>(...array: T[]): T { return array[this.app.clock.time_position.beat % array.length] }
seqbar<T>(...array: T[]): T { return array[this.app.clock.time_position.bar % array.length] }
@ -130,30 +146,30 @@ export class UserAPI {
// =============================================================
public quantize(value: number, quantization: number[]): number {
if (quantization.length === 0) { return value }
let closest = quantization[0]
quantization.forEach(q => {
if (Math.abs(q - value) < Math.abs(closest - value)) { closest = q }
})
return closest
if (quantization.length === 0) { return value }
let closest = quantization[0]
quantization.forEach(q => {
if (Math.abs(q - value) < Math.abs(closest - value)) { closest = q }
})
return closest
}
quant = this.quantize
public clamp(value: number, min: number, max: number): number {
return Math.min(Math.max(value, min), max)
return Math.min(Math.max(value, min), max)
}
cmp = this.clamp
// =============================================================
// Transport functions
// =============================================================
bpm(bpm: number):void {
this.app.clock.bpm = bpm
bpm(bpm: number): void {
this.app.clock.bpm = bpm
}
time_signature(numerator: number, denominator: number):void {
this.app.clock.time_signature = [ numerator, denominator ]
time_signature(numerator: number, denominator: number): void {
this.app.clock.time_signature = [numerator, denominator]
}
// =============================================================
@ -182,8 +198,8 @@ export class UserAPI {
get e7() { return this.app.universes[this.app.selected_universe].locals[6].evaluations }
get e8() { return this.app.universes[this.app.selected_universe].locals[7].evaluations }
get e9() { return this.app.universes[this.app.selected_universe].locals[8].evaluations }
public evaluations_number(index:number): number {
return this.app.universes[this.app.selected_universe].locals[index].evaluations
public evaluations_number(index: number): number {
return this.app.universes[this.app.selected_universe].locals[index].evaluations
}
e = this.evaluations_number
@ -214,14 +230,14 @@ export class UserAPI {
return final_pulses.some(p => p == true)
}
every(...n: number[]): boolean {
every(...n: number[]): boolean {
return n.some(n => this.i % n === 0)
}
mod(...pulse: number[]): boolean { return pulse.some(p => this.app.clock.time_position.pulse % p === 0) }
modbar(...bar: number[]): boolean { return bar.some(b => this.app.clock.time_position.bar % b === 0) }
// =============================================================
// Trivial functions
// =============================================================
@ -229,4 +245,9 @@ export class UserAPI {
// Small ZZFX interface for playing with this synth
zzfx = (...thing: number[]) => zzfx(...thing);
playSound = async (values: object) => {
await this.load;
webaudioOutput(sound(values), 0.01)
}
}