three.js 加载STL文件

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注意：
TrackballControls.js 和 TDSLoader.js 都引用了 three.module.js，特别注意引用的路径

比如：

直接代码咯

<!DOCTYPE html>

<html lang="en">

<head>

    <title>three.js webgl - loaders - 3DS loader</title>

    <meta charset="utf-8">

    <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">

    <link type="text/css" rel="stylesheet" href="/three.js/main.css">

</head>

<body>

    <div id="info">

        <a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - 3DS loader

    </div>

    <script type="module">

        //注意：

        //TrackballControls.js 和 TDSLoader.js 都引用了 three.module.js，特别注意引用的路径

        import * as THREE from '/three.js/build/three.module.js';

        import { TrackballControls } from '/three.js/jsm/controls/TrackballControls.js';

        import { STLLoader } from '/three.js/jsm/loaders/STLLoader.js';

        var container, controls;

        var camera, scene, renderer;

        init();

        animate();

        function resize() {

            camera.aspect = window.innerWidth / window.innerHeight;

            camera.updateProjectionMatrix();

            renderer.setSize(window.innerWidth, window.innerHeight);

        }

        function animate() {

            controls.update();

            renderer.render(scene, camera);

            requestAnimationFrame(animate);

        }

        function init() {

            container = document.createElement('div');

            document.body.appendChild(container);

            camera = new THREE.PerspectiveCamera(60, window.innerWidth / window.innerHeight, 0.1, 10);

            camera.position.z = 2;

            scene = new THREE.Scene();

            scene.add(new THREE.HemisphereLight());

            var directionalLight = new THREE.DirectionalLight(0xffeedd);

            directionalLight.position.set(0, 0, 2);

            scene.add(directionalLight);

            // ASCII file

            var loader = new STLLoader();

            loader.load('/model1/面.stl', function (geometry) {

                var mat = new THREE.MeshLambertMaterial({ color: 'red' });//{ color: 0x00ffff }

                var mesh = new THREE.Mesh(geometry, mat);

                mesh.rotation.x = -0.5 * Math.PI; //将模型摆正

                mesh.scale.set(0.1, 0.1, 0.1); //缩放

                geometry.center(); //居中显示

                scene.add(mesh);

            });

            renderer = new THREE.WebGLRenderer();

            renderer.setPixelRatio(window.devicePixelRatio);

            renderer.setSize(window.innerWidth, window.innerHeight);

            container.appendChild(renderer.domElement);

            controls = new TrackballControls(camera, renderer.domElement);

            window.addEventListener('resize', resize, false);

        }

    </script>

</body>

</html>