mirror of
https://github.com/Tonejs/Tone.js
synced 2024-12-29 04:53:10 +00:00
67 lines
1.7 KiB
JavaScript
67 lines
1.7 KiB
JavaScript
import Tone from "../../core/Tone";
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import "../core/Gain";
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/**
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* buses are another way of routing audio
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*
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* augments Tone.prototype to include send and receive
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*/
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/**
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* All of the routes
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*
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* @type {Object}
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* @static
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* @private
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*/
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var Buses = {};
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/**
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* Send this signal to the channel name.
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* @param {String} channelName A named channel to send the signal to.
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* @param {Decibels} amount The amount of the source to send to the bus.
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* @return {GainNode} The gain node which connects this node to the desired channel.
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* Can be used to adjust the levels of the send.
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* @example
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* source.send("reverb", -12);
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*/
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Tone.prototype.send = function(channelName, amount){
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if (!Buses.hasOwnProperty(channelName)){
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Buses[channelName] = this.context.createGain();
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}
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amount = Tone.defaultArg(amount, 0);
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var sendKnob = new Tone.Gain(amount, Tone.Type.Decibels);
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this.connect(sendKnob);
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sendKnob.connect(Buses[channelName]);
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return sendKnob;
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};
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/**
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* Receive the input from the desired channelName to the input
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*
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* @param {String} channelName A named channel to send the signal to.
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* @param {Number=} channelNumber The channel to connect to
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* @returns {Tone} this
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* @example
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* reverbEffect.receive("reverb");
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*/
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Tone.prototype.receive = function(channelName, inputNum){
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if (!Buses.hasOwnProperty(channelName)){
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Buses[channelName] = this.context.createGain();
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}
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Tone.connect(Buses[channelName], this, 0, inputNum);
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return this;
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};
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//remove all the send/receives when a new audio context is passed in
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Tone.Context.on("init", function(context){
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if (context.buses){
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Buses = context.buses;
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} else {
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Buses = {};
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context.buses = Buses;
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}
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});
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export default Tone;
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