three.js 加载stl文件并解析_three 加载stl

作者：Monodyee | 2024-02-16 06:30:25

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three 加载stl

效果：

加载stl格式的文件需要设置材质material；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>.stl格式模型加载</title>
  <script src="../three.js"></script>
  <script src="../OrbitControls.js"></script>
  <script src="../STLLoader.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 stlLoader = new THREE.STLLoader();
    stlLoader.load('./LH1223链条组装 - 短链条螺栓.STL',geometry => {
      var material = new THREE.MeshPhongMaterial({color:0xDDDADA});
      var mesh = new THREE.Mesh(geometry,material);
      scene.add(mesh);
    })
    // 3,创建灯光
    var point = new THREE.PointLight(0xffffff);
    point.position.set(200,200,200);
    scene.add(point);
    var point2 = new THREE.PointLight(0xffffff);
    point2.position.set(200,200,-200);
    scene.add(point2);
    // 4,创建相机对象
    var width = window.innerWidth;
    var height = window.innerHeight;
    var k = width / height;
    var s = 200;
    var camera = new THREE.OrthographicCamera(-s * k, s * k, s, -s, -2000, 2000);
    camera.position.set(100, 100, 120);
    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>

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