You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
169 lines
4.3 KiB
169 lines
4.3 KiB
3 years ago
|
<!DOCTYPE html>
|
||
|
|
<html lang="en">
|
||
|
|
<head>
|
||
|
|
<title>three.js 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://threejs.org" target="_blank" rel="noopener">three.js</a> webgl - exporter - draco
|
||
|
|
</div>
|
||
|
|
|
||
|
|
<script src="js/libs/draco/draco_encoder.js"></script>
|
||
|
|
|
||
|
|
<!-- 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 { OrbitControls } from 'three/addons/controls/OrbitControls.js';
|
||
|
|
import { DRACOExporter } from 'three/addons/exporters/DRACOExporter.js';
|
||
|
|
import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
|
||
|
|
|
||
|
|
let scene, camera, renderer, exporter, mesh;
|
||
|
|
|
||
|
|
const params = {
|
||
|
|
export: exportFile
|
||
|
|
};
|
||
|
|
|
||
|
|
init();
|
||
|
|
animate();
|
||
|
|
|
||
|
|
function init() {
|
||
|
|
|
||
|
|
camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 1000 );
|
||
|
|
camera.position.set( 200, 100, 200 );
|
||
|
|
|
||
|
|
scene = new THREE.Scene();
|
||
|
|
scene.background = new THREE.Color( 0xa0a0a0 );
|
||
|
|
scene.fog = new THREE.Fog( 0xa0a0a0, 200, 1000 );
|
||
|
|
|
||
|
|
exporter = new DRACOExporter();
|
||
|
|
|
||
|
|
//
|
||
|
|
|
||
|
|
const hemiLight = new THREE.HemisphereLight( 0xffffff, 0x444444 );
|
||
|
|
hemiLight.position.set( 0, 200, 0 );
|
||
|
|
scene.add( hemiLight );
|
||
|
|
|
||
|
|
const directionalLight = new THREE.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 THREE.Mesh(
|
||
|
|
new THREE.PlaneGeometry( 2000, 2000 ),
|
||
|
|
new THREE.MeshPhongMaterial( { color: 0x999999, depthWrite: false } )
|
||
|
|
);
|
||
|
|
ground.rotation.x = - Math.PI / 2;
|
||
|
|
ground.position.y = - 75;
|
||
|
|
ground.receiveShadow = true;
|
||
|
|
scene.add( ground );
|
||
|
|
|
||
|
|
const grid = new THREE.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 THREE.TorusKnotGeometry( 50, 15, 200, 30 );
|
||
|
|
const material = new THREE.MeshPhongMaterial( { color: 0x00ff00 } );
|
||
|
|
mesh = new THREE.Mesh( geometry, material );
|
||
|
|
mesh.castShadow = true;
|
||
|
|
mesh.position.y = 25;
|
||
|
|
scene.add( mesh );
|
||
|
|
|
||
|
|
//
|
||
|
|
|
||
|
|
renderer = new THREE.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>
|