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Adding show scale method to interact with lighted keyboards

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This commit is contained in:
Miika Alonen
2023-10-12 01:23:16 +03:00
parent 6b8d1b4608
commit 9c0f231bdc
5 changed files with 142 additions and 7 deletions
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58
src/API.ts
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@ -1,4 +1,4 @@
import { seededRandom } from "zifferjs";
import { getAllScaleNotes, seededRandom } from "zifferjs";
import {
MidiCCEvent,
MidiConnection,
@ -63,6 +63,7 @@ export class UserAPI {
private errorTimeoutID: number = 0;
private printTimeoutID: number = 0;
public MidiConnection: MidiConnection;
public scale_aid: string|number|undefined = undefined;
load: samples;
constructor(public app: Editor) {
@ -586,6 +587,61 @@ export class UserAPI {
else return this.MidiConnection.ccInputBuffer.shift();
};
public show_scale = (
root: number|string,
scale: number|string,
channel: number = 0,
port: number|string = (this.MidiConnection.currentOutputIndex || 0),
soundOff: boolean = false): void => {
/**
* Sends given scale to midi output for visual aid
*/
if (!this.scale_aid || scale !== this.scale_aid) {
this.hide_scale(root,scale,channel,port);
const scaleNotes = getAllScaleNotes(scale, root);
// Send each scale note to current midi out
scaleNotes.forEach(note => {
this.MidiConnection.sendMidiOn(note, channel, 1, port);
if(soundOff) this.MidiConnection.sendAllSoundOff(channel, port);
});
this.scale_aid = scale;
}
}
public hide_scale = (
// @ts-ignore
root: number|string=0,
// @ts-ignore
scale: number|string=0,
channel: number = 0,
port: number|string = (this.MidiConnection.currentOutputIndex || 0)): void => {
/**
* Hides all notes by sending all notes off to midi output
*/
const allNotes = Array.from(Array(128).keys());
// Send each scale note to current midi out
allNotes.forEach(note => {
this.MidiConnection.sendMidiOff(note, channel, port);
});
this.scale_aid = undefined;
}
midi_notes_off = (channel: number = 0, port: number|string = (this.MidiConnection.currentOutputIndex || 0)): void => {
/**
* Sends all notes off to midi output
*/
this.MidiConnection.sendAllNotesOff(channel, port);
}
midi_sound_off = (channel: number = 0, port: number|string = (this.MidiConnection.currentOutputIndex || 0)): void => {
/**
* Sends all sound off to midi output
*/
this.MidiConnection.sendAllSoundOff(channel, port);
}
// =============================================================
// Ziffers related functions
// =============================================================