three.js 加载fbx文件并解析

效果：

stl、obj都是静态模型，不可以包含动画，fbx除了包含几何、材质信息，可以存储骨骼动画等数据。

代码：

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>.加载FBX并解析骨骼动画</title>
  <script src="../three.js"></script>
  <script src="../OrbitControls.js"></script>
  <script src="../js/FBXLoader.js"></script>
  <script src="../js/inflate.min.js"></script>
</head>

<body>
  <script>
    let N = 128;
    let analyser = null;
    // 1，创建场景
    var scene = new THREE.Scene();
    // 创建STL加载器
    var fbxLoader = new THREE.FBXLoader();
    fbxLoader.load('./斯巴达从光晕战斗进化成3D CG模型/0.fbx',
      obj => {
        scene.add(obj);
        console.log(obj);
      })

    // 3,创建灯光
    var point = new THREE.PointLight(0xffffff, 0.5);
    point.position.set(200, 200, 200);
    scene.add(point);
    var point2 = new THREE.PointLight(0xffffff, 0.5);
    point2.position.set(-200, 200, 200);
    scene.add(point2);
    var point3 = new THREE.PointLight(0xffffff);
    point3.position.set(200, -200, 200);

    // 4,创建相机对象
    var width = window.innerWidth;
    var height = window.innerHeight;
    var k = width / height;
    var s = 50;
    var camera = new THREE.OrthographicCamera(-s * k, s * k, s, -s, -2000, 2000);
    camera.position.set(0, 200, 100);
    camera.lookAt(scene.position);
    // 5，创建渲染器
    var renderer = new THREE.WebGLRenderer();
    renderer.setSize(width, height);
    document.body.appendChild(renderer.domElement);

    function render() {
      renderer.render(scene, camera);
      requestAnimationFrame(render);
    }
    var controls = new THREE.OrbitControls(camera, renderer.domElement);
    var axes = new THREE.AxesHelper(500);
    scene.add(axes);
    render();
  </script>
</body>

</html>

原文链接：https://blog.csdn.net/yinge0508/article/details/123356059