@openhps/core/src/three/materials/nodes/VolumeNodeMaterial.js

Open Hybrid Positioning System - Core component

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _NodeMaterial = _interopRequireDefault(require("./NodeMaterial.js"));
var _VolumetricLightingModel = _interopRequireDefault(require("../../nodes/functions/VolumetricLightingModel.js"));
var _constants = require("../../constants.js");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
 * Volume node material.
 *
 * @augments NodeMaterial
 */
class VolumeNodeMaterial extends _NodeMaterial.default {
  static get type() {
    return 'VolumeNodeMaterial';
  }

  /**
   * Constructs a new volume node material.
   *
   * @param {Object} [parameters] - The configuration parameter.
   */
  constructor(parameters) {
    super();

    /**
     * This flag can be used for type testing.
     *
     * @type {boolean}
     * @readonly
     * @default true
     */
    this.isVolumeNodeMaterial = true;

    /**
     * Number of steps used for raymarching.
     *
     * @type {number}
     * @default 25
     */
    this.steps = 25;

    /**
     * Offsets the distance a ray has been traveled through a volume.
     * Can be used to implement dithering to reduce banding.
     *
     * @type {Node<float>}
     * @default null
     */
    this.offsetNode = null;

    /**
     * Node used for scattering calculations.
     *
     * @type {Function|FunctionNode<vec4>}
     * @default null
     */
    this.scatteringNode = null;
    this.lights = true;
    this.transparent = true;
    this.side = _constants.BackSide;
    this.depthTest = false;
    this.depthWrite = false;
    this.setValues(parameters);
  }
  setupLightingModel() {
    return new _VolumetricLightingModel.default();
  }
}
var _default = exports.default = VolumeNodeMaterial;