在 Aframe 运行时加载 3D 对象时如何访问网格?

How to access the mesh when the 3D object is loaded during runtime in Aframe?

Aframe在运行时加载3D对象时,如何获取网格信息?

我已经加载了 3D 模型:

targetObj = document.createElement('a-obj-model');
targetObj.setAttribute('gltf-model', '#whatever_model');

以下是我尝试获取网格信息的方式:

targetObj.addEventListener('loaded', function () {
    console.log(targetObj.hasLoaded);
    console.log(targetObj.getObject3D('mesh'));
});

执行此操作时,我看到加载了 targetObj,但是网格信息是 undefined

(或模型加载事件):

targetObj.addEventListener('object3dset', function (evt) {
  if (evt.detail.name !== 'mesh') { return; }
  targetObj.getObject3D('mesh');
});