@polygonjs/polygonjs
Version:
node-based WebGL 3D engine https://polygonjs.com
70 lines (69 loc) • 1.95 kB
JavaScript
;
import { Reverb } from "tone/build/esm/effect/Reverb";
const DEFAULTS = {
decay: 1.5,
preDelay: 0.01
};
import { TypedAudioNode } from "./_Base";
import { NodeParamsConfig, ParamConfig } from "../utils/params/ParamsConfig";
import { effectParamsOptions } from "./utils/EffectsController";
const paramCallback = (node) => {
ReverbAudioNode.PARAM_CALLBACK_updateEffect(node);
};
class ReverbAudioParamsConfig extends NodeParamsConfig {
constructor() {
super(...arguments);
/** @param The duration of the reverb. */
this.decay = ParamConfig.FLOAT(DEFAULTS.decay, {
range: [1e-3, 10],
rangeLocked: [true, false],
...effectParamsOptions(paramCallback)
});
/** The amount of time before the reverb is fully ramped in */
this.preDelay = ParamConfig.FLOAT(DEFAULTS.preDelay, {
range: [0, 1],
rangeLocked: [true, false],
...effectParamsOptions(paramCallback)
});
}
}
const ParamsConfig = new ReverbAudioParamsConfig();
export class ReverbAudioNode extends TypedAudioNode {
constructor() {
super(...arguments);
this.paramsConfig = ParamsConfig;
}
static type() {
return "reverb";
}
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 Reverb({
decay: this.pv.decay,
preDelay: this.pv.preDelay
});
}
static PARAM_CALLBACK_updateEffect(node) {
node._updateEffect();
}
_updateEffect() {
const effect = this._effect();
effect.decay = this.pv.decay;
effect.preDelay = this.pv.preDelay;
}
}