constructor(baseUrl = '', options = {}) {
    this.baseUrl = baseUrl;
    this.options = options;
    this.materialsInfo = {};
    this.materials = {};
    this.materialsArray = [];
    this.nameLookup = {};
    this.crossOrigin = 'anonymous';
    this.side = this.options.side !== undefined ? this.options.side : three__WEBPACK_IMPORTED_MODULE_0__.FrontSide;
    this.wrap = this.options.wrap !== undefined ? this.options.wrap : three__WEBPACK_IMPORTED_MODULE_0__.RepeatWrapping;
  }
Create a new MTLLoader.MaterialCreator
@param baseUrl - Url relative to which textures are loaded
@param options - Set of options on how to construct the materials
                 side: Which side to apply the material
                       FrontSide (default), THREE.BackSide, THREE.DoubleSide
                 wrap: What type of wrapping to apply for textures
                       RepeatWrapping (default), THREE.ClampToEdgeWrapping, THREE.MirroredRepeatWrapping
                 normalizeRGB: RGBs need to be normalized to 0-1 from 0-255
                               Default: false, assumed to be already normalized
                 ignoreZeroRGBs: Ignore values of RGBs (Ka,Kd,Ks) that are all 0's
                                 Default: false
@constructor