@polygonjs/polygonjs
Version:
node-based WebGL 3D engine https://polygonjs.com
75 lines (74 loc) • 2.3 kB
JavaScript
;
import { Chorus } from "tone/build/esm/effect/Chorus";
const DEFAULTS = { delayTime: 3.5, depth: 0.7, feedback: 0, frequency: 1.5, spread: 180, type: "sine", wet: 0.5 };
import { TypedAudioNode } from "./_Base";
import { NodeParamsConfig, ParamConfig } from "../utils/params/ParamsConfig";
import { effectParamsOptions } from "./utils/EffectsController";
const paramCallback = (node) => {
ChorusAudioNode.PARAM_CALLBACK_updateEffect(node);
};
class ChorusAudioParamsConfig extends NodeParamsConfig {
constructor() {
super(...arguments);
/** @param The frequency of the LFO. */
this.frequency = ParamConfig.FLOAT(DEFAULTS.frequency, {
range: [0, 10],
rangeLocked: [true, false]
// no callback allowed for frequency as it is a readonly property
// ...effectParamsOptions(paramCallback),
});
/** The delay of the chorus effect in ms */
this.delayTime = ParamConfig.FLOAT(DEFAULTS.delayTime, {
range: [0, 1],
rangeLocked: [true, false],
...effectParamsOptions(paramCallback)
});
/** The depth of the chorus */
this.depth = ParamConfig.FLOAT(DEFAULTS.depth, {
range: [0, 1],
rangeLocked: [true, false],
...effectParamsOptions(paramCallback)
});
}
}
const ParamsConfig = new ChorusAudioParamsConfig();
export class ChorusAudioNode extends TypedAudioNode {
constructor() {
super(...arguments);
this.paramsConfig = ParamsConfig;
}
static type() {
return "chorus";
}
initializeNode() {
this.io.inputs.setCount(1);
}
cook(inputContents) {
const audioBuilder = inputContents[0];
const effect = this._effect();
const inputNode = audioBuilder.audioNode();
if (inputNode) {
inputNode.connect(effect);
}
audioBuilder.setAudioNode(effect);
this.setAudioBuilder(audioBuilder);
}
_effect() {
return this.__effect__ = this.__effect__ || this._createEffect();
}
_createEffect() {
return new Chorus({
frequency: this.pv.frequency,
delayTime: this.pv.delayTime,
depth: this.pv.depth
});
}
static PARAM_CALLBACK_updateEffect(node) {
node._updateEffect();
}
_updateEffect() {
const effect = this._effect();
effect.delayTime = this.pv.delayTime;
effect.depth = this.pv.depth;
}
}