@polygonjs/polygonjs/dist/src/engine/nodes/post/Noise.js

node-based WebGL 3D engine https://polygonjs.com

"use strict";
import { Vector2 } from "three";
import { TypedPostNode, PostParamOptions } from "./_Base";
import { NodeParamsConfig, ParamConfig } from "../utils/params/ParamsConfig";
import { EffectPass, NoiseEffect } from "postprocessing";
class NoisePostParamsConfig extends NodeParamsConfig {
  constructor() {
    super(...arguments);
    /** @param effect strength */
    this.strength = ParamConfig.FLOAT(1, {
      range: [0, 1],
      rangeLocked: [true, false],
      ...PostParamOptions
    });
    /** @param premultiply */
    this.premultiply = ParamConfig.BOOLEAN(1, {
      ...PostParamOptions
    });
  }
}
const ParamsConfig = new NoisePostParamsConfig();
export class NoisePostNode extends TypedPostNode {
  constructor() {
    super(...arguments);
    this.paramsConfig = ParamsConfig;
    this._rendererSize = new Vector2();
  }
  static type() {
    return "noise";
  }
  createPass(context) {
    context.renderer.getSize(this._rendererSize);
    const effect = new NoiseEffect({});
    const pass = new EffectPass(context.camera, effect);
    this.updatePass(pass);
    return pass;
  }
  updatePass(pass) {
    const effect = pass.effects[0];
    effect.premultiply = this.pv.premultiply;
    effect.blendMode.opacity.value = this.pv.strength;
  }
}