bytev-charts/lib/plugin/three.js/examples/jsm/loaders/obj2/bridge/MtlObjBridge.js

基于echarts和JavaScript及ES6封装的一个可以直接调用的图表组件库，内置主题设计，简单快捷，且支持用户自定义配置； npm 安装方式: npm install bytev-charts 若启动提示还需额外install插件,则运行 npm install @babel/runtime-corejs2 即可;

/**
 * Development repository: https://github.com/kaisalmen/WWOBJLoader
 */
import { MTLLoader } from "../../../../jsm/loaders/MTLLoader.js";
var MtlObjBridge = {
  /**
   *
   * @param processResult
   * @param assetLoader
   */
  link: function link(processResult, assetLoader) {
    if (typeof assetLoader.addMaterials === 'function') {
      assetLoader.addMaterials(this.addMaterialsFromMtlLoader(processResult), true);
    }
  },

  /**
   * Returns the array instance of {@link MTLLoader.MaterialCreator}.
   *
   * @param Instance of {@link MTLLoader.MaterialCreator}
   */
  addMaterialsFromMtlLoader: function addMaterialsFromMtlLoader(materialCreator) {
    var newMaterials = {};

    if (materialCreator instanceof MTLLoader.MaterialCreator) {
      materialCreator.preload();
      newMaterials = materialCreator.materials;
    }

    return newMaterials;
  }
};
export { MtlObjBridge };