@polygonjs/polygonjs
Version:
node-based WebGL 3D engine https://polygonjs.com
61 lines (60 loc) • 1.66 kB
JavaScript
;
import { TypedAudioNode } from "./_Base";
import { NodeParamsConfig, ParamConfig } from "../utils/params/ParamsConfig";
import { effectParamsOptions } from "./utils/EffectsController";
import { Volume } from "tone/build/esm/component/channel/Volume";
const VOLUME_DEFAULTS = {
volume: 0
};
const paramCallback = (node) => {
VolumeAudioNode.PARAM_CALLBACK_updateEffect(node);
};
class VolumeAudioParamsConfig extends NodeParamsConfig {
constructor() {
super(...arguments);
/** @param volume */
this.volume = ParamConfig.FLOAT(VOLUME_DEFAULTS.volume, {
range: [-20, 20],
rangeLocked: [false, false],
...effectParamsOptions(paramCallback)
});
}
}
const ParamsConfig = new VolumeAudioParamsConfig();
export class VolumeAudioNode extends TypedAudioNode {
constructor() {
super(...arguments);
this.paramsConfig = ParamsConfig;
}
static type() {
return "volume";
}
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 Volume({
volume: this.pv.volume
});
}
static PARAM_CALLBACK_updateEffect(node) {
node._updateEffect();
}
_updateEffect() {
const effect = this._effect();
effect.volume.linearRampToValueAtTime(this.pv.volume, "+1");
}
}