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misc_exporter_usdz.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>Verge3D webgl - USDZ exporter</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">
<style>
body {
background-color: #eee;
}
#info {
color: #222;
}
a {
color: #00f
}
#button {
position: absolute;
bottom: 15px;
left: calc(50% -40px);
}
</style>
</head>
<body>
<div id="info">
<a href="https://www.soft8soft.com/verge3d" target="_blank" rel="noopener">Verge3D</a> - USDZ exporter<br />
Battle Damaged Sci-fi Helmet by
<a href="https://sketchfab.com/theblueturtle_" target="_blank" rel="noopener">theblueturtle_</a>
</div>
<a id="link" rel="ar" href="" download="asset.usdz">
<img id="button" width="100" src="files/arkit.png">
</a>
<!-- Import maps polyfill -->
<!-- Remove this when import maps will be widely supported -->
<script async src="https://unpkg.com/[email protected]/dist/es-module-shims.js"></script>
<script type="importmap">
{
"imports": {
"v3d": "../build/v3d.module.js",
"v3d/addons/": "./jsm/"
}
}
</script>
<script type="module">
import * as v3d from 'v3d';
import { OrbitControls } from 'v3d/addons/controls/OrbitControls.js';
import { RoomEnvironment } from 'v3d/addons/environments/RoomEnvironment.js';
import { GLTFLoader } from 'v3d/addons/loaders/GLTFLoader.js';
import { USDZExporter } from 'v3d/addons/exporters/USDZExporter.js';
let camera, scene, renderer;
init();
render();
function init() {
renderer = new v3d.WebGLRenderer({ antialias: true });
renderer.setPixelRatio(window.devicePixelRatio);
renderer.setSize(window.innerWidth, window.innerHeight);
renderer.toneMapping = v3d.ACESFilmicToneMapping;
renderer.outputEncoding = v3d.sRGBEncoding;
document.body.appendChild(renderer.domElement);
camera = new v3d.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 0.25, 20);
camera.position.set(- 2.5, 0.6, 3.0);
const pmremGenerator = new v3d.PMREMGenerator(renderer);
scene = new v3d.Scene();
scene.background = new v3d.Color(0xf0f0f0);
scene.environment = pmremGenerator.fromScene(new RoomEnvironment(), 0.04).texture;
const loader = new GLTFLoader().setPath('models/gltf/DamagedHelmet/glTF/');
loader.load('DamagedHelmet.gltf', async function(gltf) {
scene.add(gltf.scene);
const shadowMesh = createSpotShadowMesh();
shadowMesh.position.y = -1.1;
shadowMesh.position.z = -0.25;
shadowMesh.scale.setScalar(2);
scene.add(shadowMesh);
render();
// USDZ
const exporter = new USDZExporter();
const arraybuffer = await exporter.parse(gltf.scene);
const blob = new Blob([arraybuffer], { type: 'application/octet-stream' });
const link = document.getElementById('link');
link.href = URL.createObjectURL(blob);
});
const controls = new OrbitControls(camera, renderer.domElement);
controls.addEventListener('change', render); // use if there is no animation loop
controls.minDistance = 2;
controls.maxDistance = 10;
controls.target.set(0, -0.15, -0.2);
controls.update();
window.addEventListener('resize', onWindowResize);
}
function createSpotShadowMesh() {
const canvas = document.createElement('canvas');
canvas.width = 128;
canvas.height = 128;
const context = canvas.getContext('2d');
const gradient = context.createRadialGradient(canvas.width / 2, canvas.height / 2, 0, canvas.width / 2, canvas.height / 2, canvas.width / 2);
gradient.addColorStop(0.1, 'rgba(130,130,130,1)');
gradient.addColorStop(1, 'rgba(255,255,255,1)');
context.fillStyle = gradient;
context.fillRect(0, 0, canvas.width, canvas.height);
const shadowTexture = new v3d.CanvasTexture(canvas);
const geometry = new v3d.PlaneGeometry();
const material = new v3d.MeshBasicMaterial({
map: shadowTexture, blending: v3d.MultiplyBlending, toneMapped: false
});
const mesh = new v3d.Mesh(geometry, material);
mesh.rotation.x = - Math.PI / 2;
return mesh;
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize(window.innerWidth, window.innerHeight);
render();
}
//
function render() {
renderer.render(scene, camera);
}
</script>
</body>
</html>