Tone.js/Tone/component/analysis/DCMeter.ts
2019-09-14 16:39:18 -04:00

37 lines
985 B
TypeScript

import { optionsFromArguments } from "../../core/util/Defaults";
import { MeterBase, MeterBaseOptions } from "./MeterBase";
export type DCMeterOptions = MeterBaseOptions;
/**
* DCMeter gets the raw value of the input signal at the current time.
*
* @example
* var meter = new DCMeter();
* var signal = new Tone.Signal().open();
* //connect signal to the meter
* signal.connect(meter);
* //the current level of the signal
* var level = meter.getValue();
*/
export class DCMeter extends MeterBase<DCMeterOptions> {
readonly name: string = "DCMeter";
constructor(options?: Partial<DCMeterOptions>);
constructor() {
super(optionsFromArguments(DCMeter.getDefaults(), arguments));
const options = optionsFromArguments(DCMeter.getDefaults(), arguments);
this._analyser.type = "waveform";
this._analyser.size = 256;
}
/**
* Get the signal value of the incoming signal
*/
getValue(): number {
const value = this._analyser.getValue();
return value[0];
}
}