tone
Version:
A Web Audio framework for making interactive music in the browser.
41 lines • 1.43 kB
JavaScript
import { Panner } from "../component/channel/Panner.js";
import { optionsFromArguments } from "../core/util/Defaults.js";
import { LFOEffect } from "./LFOEffect.js";
/**
* AutoPanner is a {@link Panner} with an {@link LFO} connected to the pan amount.
* [Related Reading](https://www.ableton.com/en/blog/autopan-chopper-effect-and-more-liveschool/).
*
* @example
* // create an autopanner and start it
* const autoPanner = new Tone.AutoPanner("4n").toDestination().start();
* // route an oscillator through the panner and start it
* const oscillator = new Tone.Oscillator().connect(autoPanner).start();
* @category Effect
*/
export class AutoPanner extends LFOEffect {
constructor() {
const options = optionsFromArguments(AutoPanner.getDefaults(), arguments, ["frequency"]);
super(options);
this.name = "AutoPanner";
this._panner = new Panner({
context: this.context,
channelCount: options.channelCount,
});
// connections
this.connectEffect(this._panner);
this._lfo.connect(this._panner.pan);
this._lfo.min = -1;
this._lfo.max = 1;
}
static getDefaults() {
return Object.assign(LFOEffect.getDefaults(), {
channelCount: 1,
});
}
dispose() {
super.dispose();
this._panner.dispose();
return this;
}
}
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