Adding docstrings to clock

This commit is contained in:
2023-08-05 18:30:35 +02:00
parent 59305633f8
commit 2a0ac626d0

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@ -4,6 +4,13 @@ import TransportProcessor from './TransportProcessor?url';
import { Editor } from './main'; import { Editor } from './main';
export interface TimePosition { export interface TimePosition {
/**
* A position in time.
*
* @param bar - The bar number
* @param beat - The beat number
* @param pulse - The pulse number
*/
bar: number bar: number
beat: number beat: number
pulse: number pulse: number
@ -11,7 +18,20 @@ export interface TimePosition {
export class Clock { export class Clock {
evaluations: number /**
* The Clock Class is responsible for keeping track of the current time.
* It is also responsible for starting and stopping the Clock TransportNode.
*
* @param app - The main application instance
* @param ctx - The current AudioContext used by app
* @param transportNode - The TransportNode helper
* @param bpm - The current beats per minute value
* @param time_signature - The time signature
* @param time_position - The current time position
* @param ppqn - The pulses per quarter note
* @param tick - The current tick since origin
*/
ctx: AudioContext ctx: AudioContext
transportNode: TransportNode transportNode: TransportNode
bpm: number bpm: number
@ -27,7 +47,6 @@ export class Clock {
this.bpm = 120; this.bpm = 120;
this.time_signature = [4, 4]; this.time_signature = [4, 4];
this.ppqn = 48; this.ppqn = 48;
this.evaluations = 0;
ctx.audioWorklet.addModule(TransportProcessor).then((e) => { ctx.audioWorklet.addModule(TransportProcessor).then((e) => {
this.transportNode = new TransportNode(ctx, {}, this.app); this.transportNode = new TransportNode(ctx, {}, this.app);
this.transportNode.connect(ctx.destination); this.transportNode.connect(ctx.destination);
@ -38,19 +57,32 @@ export class Clock {
}) })
} }
get beats_per_bar(): number { return this.time_signature[0]; } get beats_per_bar(): number {
/**
* Returns the number of beats per bar.
*/
return this.time_signature[0];
}
get pulse_duration(): number { get pulse_duration(): number {
/**
* Returns the duration of a pulse in seconds.
*/
return 60 / this.bpm / this.ppqn; return 60 / this.bpm / this.ppqn;
} }
public convertPulseToSecond(n: number): number { public convertPulseToSecond(n: number): number {
/**
* Converts a pulse to a second.
*/
return n * this.pulse_duration return n * this.pulse_duration
} }
start(): void { start(): void {
// Check if the clock is already running /**
* Starts the TransportNode (starts the clock).
*/
if (this.transportNode?.state === 'running') { if (this.transportNode?.state === 'running') {
console.log('Already started') console.log('Already started')
} else { } else {
@ -59,6 +91,17 @@ export class Clock {
} }
} }
pause = (): void => this.transportNode?.pause(); pause(): void {
stop = (): void => this.transportNode?.stop(); /**
* Pauses the TransportNode (pauses the clock).
*/
this.transportNode?.pause();
}
stop(): void {
/**
* Stops the TransportNode (stops the clock).
*/
this.transportNode?.stop();
}
} }