问光线传播未检测到GlTF文件/ Three.js

EN

const loader = new GLTFLoader();
let modelLoader = "/models/c2.glb";
let model, mixer, neck, waist;

loader.load(modelLoader, (gltf) => {
  model = gltf.scene;
  let fileAnimations = gltf.animations;
  model.traverse((o) => {
    // console.log(o);
    if (o.isBone && o.name === "mixamorigNeck") {
      neck = o;
    }
    if (o.isBone && o.name === "mixamorigSpine") {
      waist = o;
    }
    if (o.isMesh) {
      o.material.reflectivity = 1;
    }
  });

 document.addEventListener("click", (e) => raycast(e));
  document.addEventListener("touchend", (e) => raycast(e, true));

  function raycast(e, touch = false) {
    const raycaster = new THREE.Raycaster();
    const mouse = new THREE.Vector2();
    e.preventDefault();

    if (touch) {
      mouse.x = 2 * (e.changedTouches[0].clientX / window.innerWidth) - 1;
      mouse.y = 1 - 2 * (e.changedTouches[0].clientY / window.innerHeight);
    } else {
      mouse.x = (e.clientX / window.innerWidth) * 2 - 1;
      mouse.y = -(e.clientY / window.innerHeight) * 2 + 1;
    }

    raycaster.setFromCamera(mouse, camera);

    const intersects = raycaster.intersectObjects(scene.children, true);
    console.log(scene.children);
    if (intersects.length > 0) {
      console.log("hi");}}