three.js dev template - module

by florianjea

HTML

<!-- Import maps polyfill -->
<!-- Remove this when import maps will be widely supported -->
<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
    
<script type="importmap">
	{
		"imports": {
			"three": "https://unpkg.com/three/build/three.module.js",
      "three/addons/": "https://unpkg.com/three/examples/jsm/"
		}
	}
</script>

<input id="selectedModel" type="file" />

CSS

body {
	margin: 0px;
}

JavaScript

// Simple three.js example

import * as THREE from 'three';
import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
import { DRACOLoader } from 'three/addons/loaders/DRACOLoader.js';


let mesh, renderer, scene, camera, controls, objectMaterial, wireframeMaterial, wireframeObject;

init();
animate();

function init() {

    // renderer
    renderer = new THREE.WebGLRenderer();
    renderer.setSize( window.innerWidth, window.innerHeight );
    renderer.setPixelRatio( window.devicePixelRatio );
    document.body.appendChild( renderer.domElement );

    // scene
    scene = new THREE.Scene();
    
    // camera
    camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 10000 );
    camera.position.set( 20, 20, 20 );

    // controls
    controls = new OrbitControls( camera, renderer.domElement );
    
    // ambient
    scene.add( new THREE.AmbientLight( 0x222222 ) );
    
    // light
    const light = new THREE.DirectionalLight( 0xffffff, 3 );
    light.position.set( 20,20, 0 );
    scene.add( light );
    
    // loaders
    const dracoLoader = new DRACOLoader();
		dracoLoader.setDecoderPath('three/addons/libs/draco/');

		const gltfLoader = new GLTFLoader();
		gltfLoader.setDRACOLoader(dracoLoader);
    
    // ui
    const uploadedFile = document.getElementById("selectedModel")
    let gltfFileURL = null;
    
    uploadedFile.addEventListener('change', (changed) => {
      gltfFileURL = URL.createObjectURL(changed.target.files[0]);
      gltfLoader.load(gltfFileURL, (gltfFile) => {
      	setGLTFObject(gltfFile);
        
      })
    });
    
    
}

function setGLTFObject(parent) {
	const object = parent.scene;
  wireframeObject = new THREE.Group();
  
  objectMaterial = new THREE.MeshBasicMaterial({
    transparent: true,
    color: new THREE.Color().setHex(0x3896fa),
    opacity: 0.2,
  });
      
  wireframeMaterial =  new...