@polygonjs/polygonjs
Version:
node-based WebGL 3D engine https://polygonjs.com
61 lines (60 loc) • 1.57 kB
JavaScript
;
import { Tremolo } from "tone/build/esm/effect/Tremolo";
const DEFAULTS = {
depth: 0.5,
frequency: 10,
spread: 180
// type: "sine"
};
import { TypedAudioNode } from "./_Base";
import { NodeParamsConfig, ParamConfig } from "../utils/params/ParamsConfig";
class TremoloAudioParamsConfig extends NodeParamsConfig {
constructor() {
super(...arguments);
/** @param frequency */
this.frequency = ParamConfig.FLOAT(DEFAULTS.frequency, {
range: [0, 1e3],
rangeLocked: [true, false]
});
/** @param depth */
this.depth = ParamConfig.FLOAT(DEFAULTS.depth, {
range: [0, 1],
rangeLocked: [true, true]
});
/** @param spread (degrees) */
this.spread = ParamConfig.FLOAT(DEFAULTS.spread, {
range: [-180, 180],
rangeLocked: [true, true]
});
}
}
const ParamsConfig = new TremoloAudioParamsConfig();
export class TremoloAudioNode extends TypedAudioNode {
constructor() {
super(...arguments);
this.paramsConfig = ParamsConfig;
}
static type() {
return "tremolo";
}
initializeNode() {
this.io.inputs.setCount(1);
}
cook(inputContents) {
const audioBuilder = inputContents[0];
const effect = this._createEffect();
const inputNode = audioBuilder.audioNode();
if (inputNode) {
inputNode.connect(effect);
}
audioBuilder.setAudioNode(effect);
this.setAudioBuilder(audioBuilder);
}
_createEffect() {
return new Tremolo({
frequency: this.pv.frequency,
depth: this.pv.depth,
spread: this.pv.spread
});
}
}