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misc_exporter_ply.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>Verge3D webgl - exporter - ply</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 - ply
</div>
<!-- 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 { PLYExporter } from 'v3d/addons/exporters/PLYExporter.js';
import { GUI } from 'v3d/addons/libs/lil-gui.module.min.js';
let scene, camera, renderer, exporter, mesh;
const params = {
exportASCII: exportASCII,
exportBinaryBigEndian: exportBinaryBigEndian,
exportBinaryLittleEndian: exportBinaryLittleEndian
};
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 PLYExporter();
//
const hemiLight = new v3d.HemisphereLight(0xffffff, 0x444444);
hemiLight.position.set(0, 200, 0);
scene.add(hemiLight);
const directionalLight = new v3d.DirectionalLight(0xffffff);
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.receiveShadow = true;
scene.add(ground);
const grid = new v3d.GridHelper(2000, 20, 0x000000, 0x000000);
grid.material.opacity = 0.2;
grid.material.transparent = true;
scene.add(grid);
// export mesh
const geometry = new v3d.BoxGeometry(50, 50, 50);
const material = new v3d.MeshPhongMaterial({ vertexColors: true });
// color vertices based on vertex positions
const colors = geometry.getAttribute('position').array.slice();
for (let i = 0, l = colors.length; i < l; i++) {
if (colors[i] > 0) colors[i] = 0.5;
else colors[i] = 0;
}
geometry.setAttribute('color', new v3d.BufferAttribute(colors, 3, false));
mesh = new v3d.Mesh(geometry, material);
mesh.castShadow = true;
mesh.position.y = 25;
scene.add(mesh);
//
renderer = new v3d.WebGLRenderer({ antialias: true });
renderer.outputEncoding = v3d.sRGBEncoding;
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, 'exportASCII').name('Export PLY (ASCII)');
gui.add(params, 'exportBinaryBigEndian').name('Export PLY (Binary BE)');
gui.add(params, 'exportBinaryLittleEndian').name('Export PLY (Binary LE)');
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 exportASCII() {
exporter.parse(mesh, function(result) {
saveString(result, 'box.ply');
});
}
function exportBinaryBigEndian() {
exporter.parse(mesh, function(result) {
saveArrayBuffer(result, 'box.ply');
}, { binary: true });
}
function exportBinaryLittleEndian() {
exporter.parse(mesh, function(result) {
saveArrayBuffer(result, 'box.ply');
}, { binary: true, littleEndian: true });
}
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 saveString(text, filename) {
save(new Blob([text], { type: 'text/plain' }), filename);
}
function saveArrayBuffer(buffer, filename) {
save(new Blob([buffer], { type: 'application/octet-stream' }), filename);
}
</script>
</body>
</html>