@polygonjs/polygonjs/dist/src/engine/nodes/mat/ClippingPlane.js

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

"use strict";
import { Plane } from "three";
import { UpdateMatNode } from "./_Base";
import { NodeParamsConfig, ParamConfig } from "../utils/params/ParamsConfig";
class ClippingPlaneMatParamsConfig extends NodeParamsConfig {
  constructor() {
    super(...arguments);
    /** @param plane normal */
    this.normal = ParamConfig.VECTOR3([0, 1, 0]);
    /** @param plane constant */
    this.constant = ParamConfig.FLOAT(0, {
      range: [-1, 1],
      rangeLocked: [false, false]
    });
  }
}
const ParamsConfig = new ClippingPlaneMatParamsConfig();
export class ClippingPlaneMatNode extends UpdateMatNode {
  constructor() {
    super(...arguments);
    this.paramsConfig = ParamsConfig;
    this._plane = new Plane();
  }
  static type() {
    return "clippingPlane";
  }
  async cook(inputMaterials) {
    const inputMaterial = inputMaterials[0];
    this._plane.normal.copy(this.pv.normal);
    this._plane.constant = this.pv.constant;
    if (!inputMaterial.clippingPlanes) {
      inputMaterial.clippingPlanes = [];
    }
    inputMaterial.clippingPlanes.push(this._plane);
    this.setMaterial(inputMaterial);
  }
}