@openhps/core/src/three/nodes/functions/ShadowMaskModel.js

Open Hybrid Positioning System - Core component

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _LightingModel = _interopRequireDefault(require("../core/LightingModel.js"));
var _PropertyNode = require("../core/PropertyNode.js");
var _TSLBase = require("../tsl/TSLBase.js");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
 * Represents lighting model for a shadow material. Used in {@link ShadowNodeMaterial}.
 *
 * @augments LightingModel
 */
class ShadowMaskModel extends _LightingModel.default {
  /**
   * Constructs a new shadow mask model.
   */
  constructor() {
    super();

    /**
     * The shadow mask node.
     *
     * @type {Node}
     */
    this.shadowNode = (0, _TSLBase.float)(1).toVar('shadowMask');
  }

  /**
   * Only used to save the shadow mask.
   *
   * @param {Object} input - The input data.
   */
  direct({
    lightNode
  }) {
    this.shadowNode.mulAssign(lightNode.shadowNode);
  }

  /**
   * Uses the shadow mask to produce the final color.
   *
   * @param {NodeBuilder} builder - The current node builder.
   */
  finish({
    context
  }) {
    _PropertyNode.diffuseColor.a.mulAssign(this.shadowNode.oneMinus());
    context.outgoingLight.rgb.assign(_PropertyNode.diffuseColor.rgb); // TODO: Optimize LightsNode to avoid this assignment
  }
}
var _default = exports.default = ShadowMaskModel;