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2 years ago
<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - loaders - VRML 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="main.css">
</head>
<body>
<div id="info">
<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - VRML loader
</div>
<!-- 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": "../build/three.module.js",
"three/addons/": "./jsm/"
}
}
</script>
<script type="module">
import * as THREE from 'three';
import Stats from 'three/addons/libs/stats.module.js';
import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
import { VRMLLoader } from 'three/addons/loaders/VRMLLoader.js';
import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
let camera, scene, renderer, stats, controls, loader;
const params = {
asset: 'house'
};
const assets = [
'creaseAngle',
'crystal',
'house',
'elevationGrid1',
'elevationGrid2',
'extrusion1',
'extrusion2',
'extrusion3',
'lines',
'meshWithLines',
'meshWithTexture',
'pixelTexture',
'points',
];
let vrmlScene;
init();
animate();
function init() {
camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 0.1, 1e10 );
camera.position.set( - 10, 5, 10 );
scene = new THREE.Scene();
scene.add( camera );
// light
const hemiLight = new THREE.HemisphereLight( 0xffffff, 0x000000, 1 );
scene.add( hemiLight );
const dirLight = new THREE.DirectionalLight( 0xffffff, 0.5 );
dirLight.position.set( 200, 200, 200 );
scene.add( dirLight );
loader = new VRMLLoader();
loadAsset( params.asset );
// renderer
renderer = new THREE.WebGLRenderer();
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
document.body.appendChild( renderer.domElement );
// controls
controls = new OrbitControls( camera, renderer.domElement );
controls.minDistance = 1;
controls.maxDistance = 200;
controls.enableDamping = true;
//
stats = new Stats();
document.body.appendChild( stats.dom );
//
window.addEventListener( 'resize', onWindowResize );
//
const gui = new GUI();
gui.add( params, 'asset', assets ).onChange( function ( value ) {
if ( vrmlScene ) {
vrmlScene.traverse( function ( object ) {
if ( object.material ) object.material.dispose();
if ( object.material && object.material.map ) object.material.map.dispose();
if ( object.geometry ) object.geometry.dispose();
} );
scene.remove( vrmlScene );
}
loadAsset( value );
} );
}
function loadAsset( asset ) {
loader.load( 'models/vrml/' + asset + '.wrl', function ( object ) {
vrmlScene = object;
scene.add( object );
controls.reset();
} );
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
function animate() {
requestAnimationFrame( animate );
controls.update(); // to support damping
renderer.render( scene, camera );
stats.update();
}
</script>
</body>
</html>