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misc_exporter_draco.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>Verge3D webgl - exporter - draco</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://www.soft8soft.com/verge3d" target="_blank" rel="noopener">Verge3D</a> webgl - exporter - draco
</div>
<script src="jsm/libs/draco/draco_encoder.js"></script>
<!-- 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 { DRACOExporter } from 'v3d/addons/exporters/DRACOExporter.js';
import { GUI } from 'v3d/addons/libs/lil-gui.module.min.js';
let scene, camera, renderer, exporter, mesh;
const params = {
export: exportFile
};
init();
animate();
function init() {
camera = new v3d.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 1, 1000);
camera.position.set(200, 100, 200);
scene = new v3d.Scene();
scene.background = new v3d.Color(0xa0a0a0);
scene.fog = new v3d.Fog(0xa0a0a0, 200, 1000);
exporter = new DRACOExporter();
//
const hemiLight = new v3d.HemisphereLight(0xffffff, 0x444444);
hemiLight.position.set(0, 200, 0);
scene.add(hemiLight);
const directionalLight = new v3d.DirectionalLight(0xffffff, 0.5);
directionalLight.position.set(0, 200, 100);
directionalLight.castShadow = true;
directionalLight.shadow.camera.top = 180;
directionalLight.shadow.camera.bottom = -100;
directionalLight.shadow.camera.left = -120;
directionalLight.shadow.camera.right = 120;
scene.add(directionalLight);
// ground
const ground = new v3d.Mesh(
new v3d.PlaneGeometry(2000, 2000),
new v3d.MeshPhongMaterial({ color: 0x999999, depthWrite: false })
);
ground.rotation.x = - Math.PI / 2;
ground.position.y = -75;
ground.receiveShadow = true;
scene.add(ground);
const grid = new v3d.GridHelper(2000, 20, 0x000000, 0x000000);
grid.material.opacity = 0.2;
grid.material.transparent = true;
grid.position.y = -75;
scene.add(grid);
// export mesh
const geometry = new v3d.TorusKnotGeometry(50, 15, 200, 30);
const material = new v3d.MeshPhongMaterial({ color: 0x00ff00 });
mesh = new v3d.Mesh(geometry, material);
mesh.castShadow = true;
mesh.position.y = 25;
scene.add(mesh);
//
renderer = new v3d.WebGLRenderer({ antialias: true });
renderer.setPixelRatio(window.devicePixelRatio);
renderer.setSize(window.innerWidth, window.innerHeight);
renderer.shadowMap.enabled = true;
document.body.appendChild(renderer.domElement);
//
const controls = new OrbitControls(camera, renderer.domElement);
controls.target.set(0, 25, 0);
controls.update();
//
window.addEventListener('resize', onWindowResize);
const gui = new GUI();
gui.add(params, 'export').name('Export DRC');
gui.open();
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize(window.innerWidth, window.innerHeight);
}
function animate() {
requestAnimationFrame(animate);
renderer.render(scene, camera);
}
function exportFile() {
const result = exporter.parse(mesh);
saveArrayBuffer(result, 'file.drc');
}
const link = document.createElement('a');
link.style.display = 'none';
document.body.appendChild(link);
function save(blob, filename) {
link.href = URL.createObjectURL(blob);
link.download = filename;
link.click();
}
function saveArrayBuffer(buffer, filename) {
save(new Blob([buffer], { type: 'application/octet-stream' }), filename);
}
</script>
</body>
</html>