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misc_exporter_gltf.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>Verge3D webgl - exporter - gltf</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 - gltf
</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 { OBJLoader } from 'v3d/addons/loaders/OBJLoader.js';
import { GLTFExporter } from 'v3d/addons/exporters/GLTFExporter.js';
import { GUI } from 'v3d/addons/libs/lil-gui.module.min.js';
function exportGLTF(input) {
const gltfExporter = new GLTFExporter();
const options = {
trs: params.trs,
onlyVisible: params.onlyVisible,
binary: params.binary,
maxTextureSize: params.maxTextureSize
};
gltfExporter.parse(
input,
function(result) {
if (result instanceof ArrayBuffer) {
saveArrayBuffer(result, 'scene.glb');
} else {
const output = JSON.stringify(result, null, 2);
console.log(output);
saveString(output, 'scene.gltf');
}
},
function(error) {
console.log('An error happened during parsing', error);
},
options
);
}
const link = document.createElement('a');
link.style.display = 'none';
document.body.appendChild(link); // Firefox workaround, see #6594
function save(blob, filename) {
link.href = URL.createObjectURL(blob);
link.download = filename;
link.click();
// URL.revokeObjectURL(url); breaks Firefox...
}
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);
}
let container;
let camera, object, object2, material, geometry, scene1, scene2, renderer;
let gridHelper, sphere, waltHead;
const params = {
trs: false,
onlyVisible: true,
binary: false,
maxTextureSize: 4096,
exportScene1: exportScene1,
exportScenes: exportScenes,
exportSphere: exportSphere,
exportHead: exportHead,
exportObjects: exportObjects,
exportSceneObject: exportSceneObject
};
init();
animate();
function init() {
container = document.createElement('div');
document.body.appendChild(container);
// Make linear gradient texture
const data = new Uint8ClampedArray(100 * 100 * 4);
for (let y = 0; y < 100; y ++) {
for (let x = 0; x < 100; x ++) {
const stride = 4 * (100 * y + x);
data[stride] = Math.round(255 * y / 99);
data[stride + 1] = Math.round(255 - 255 * y / 99);
data[stride + 2] = 0;
data[stride + 3] = 255;
}
}
const gradientTexture = new v3d.DataTexture(data, 100, 100, v3d.RGBAFormat);
gradientTexture.minFilter = v3d.LinearFilter;
gradientTexture.magFilter = v3d.LinearFilter;
gradientTexture.needsUpdate = true;
scene1 = new v3d.Scene();
scene1.name = 'Scene1';
// ---------------------------------------------------------------------
// Perspective Camera
// ---------------------------------------------------------------------
camera = new v3d.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 1, 2000);
camera.position.set(600, 400, 0);
camera.name = 'PerspectiveCamera';
scene1.add(camera);
// ---------------------------------------------------------------------
// Ambient light
// ---------------------------------------------------------------------
const ambientLight = new v3d.AmbientLight(0xffffff, 0.2);
ambientLight.name = 'AmbientLight';
scene1.add(ambientLight);
// ---------------------------------------------------------------------
// DirectLight
// ---------------------------------------------------------------------
const dirLight = new v3d.DirectionalLight(0xffffff, 1);
dirLight.target.position.set(0, 0, -1);
dirLight.add(dirLight.target);
dirLight.lookAt(- 1, -1, 0);
dirLight.name = 'DirectionalLight';
scene1.add(dirLight);
// ---------------------------------------------------------------------
// Grid
// ---------------------------------------------------------------------
gridHelper = new v3d.GridHelper(2000, 20, 0x888888, 0x444444);
gridHelper.position.y = -50;
gridHelper.name = 'Grid';
scene1.add(gridHelper);
// ---------------------------------------------------------------------
// Axes
// ---------------------------------------------------------------------
const axes = new v3d.AxesHelper(500);
axes.name = 'AxesHelper';
scene1.add(axes);
// ---------------------------------------------------------------------
// Simple geometry with basic material
// ---------------------------------------------------------------------
// Icosahedron
const mapGrid = new v3d.TextureLoader().load('textures/uv_grid_opengl.jpg');
mapGrid.wrapS = mapGrid.wrapT = v3d.RepeatWrapping;
material = new v3d.MeshBasicMaterial({
color: 0xffffff,
map: mapGrid
});
object = new v3d.Mesh(new v3d.IcosahedronGeometry(75, 0), material);
object.position.set(- 200, 0, 200);
object.name = 'Icosahedron';
scene1.add(object);
// Octahedron
material = new v3d.MeshBasicMaterial({
color: 0x0000ff,
wireframe: true
});
object = new v3d.Mesh(new v3d.OctahedronGeometry(75, 1), material);
object.position.set(0, 0, 200);
object.name = 'Octahedron';
scene1.add(object);
// Tetrahedron
material = new v3d.MeshBasicMaterial({
color: 0xff0000,
transparent: true,
opacity: 0.5
});
object = new v3d.Mesh(new v3d.TetrahedronGeometry(75, 0), material);
object.position.set(200, 0, 200);
object.name = 'Tetrahedron';
scene1.add(object);
// ---------------------------------------------------------------------
// Buffered geometry primitives
// ---------------------------------------------------------------------
// Sphere
material = new v3d.MeshStandardMaterial({
color: 0xffff00,
metalness: 0.5,
roughness: 1.0,
flatShading: true
});
material.map = gradientTexture;
sphere = new v3d.Mesh(new v3d.SphereGeometry(70, 10, 10), material);
sphere.position.set(0, 0, 0);
sphere.name = 'Sphere';
scene1.add(sphere);
// Cylinder
material = new v3d.MeshStandardMaterial({
color: 0xff00ff,
flatShading: true
});
object = new v3d.Mesh(new v3d.CylinderGeometry(10, 80, 100), material);
object.position.set(200, 0, 0);
object.name = 'Cylinder';
scene1.add(object);
// TorusKnot
material = new v3d.MeshStandardMaterial({
color: 0xff0000,
roughness: 1
});
object = new v3d.Mesh(new v3d.TorusKnotGeometry(50, 15, 40, 10), material);
object.position.set(- 200, 0, 0);
object.name = 'Cylinder';
scene1.add(object);
// ---------------------------------------------------------------------
// Hierarchy
// ---------------------------------------------------------------------
const mapWood = new v3d.TextureLoader().load('textures/hardwood2_diffuse.jpg');
material = new v3d.MeshStandardMaterial({ map: mapWood, side: v3d.DoubleSide });
object = new v3d.Mesh(new v3d.BoxGeometry(40, 100, 100), material);
object.position.set(- 200, 0, 400);
object.name = 'Cube';
scene1.add(object);
object2 = new v3d.Mesh(new v3d.BoxGeometry(40, 40, 40, 2, 2, 2), material);
object2.position.set(0, 0, 50);
object2.rotation.set(0, 45, 0);
object2.name = 'SubCube';
object.add(object2);
// ---------------------------------------------------------------------
// Groups
// ---------------------------------------------------------------------
const group1 = new v3d.Group();
group1.name = 'Group';
scene1.add(group1);
const group2 = new v3d.Group();
group2.name = 'subGroup';
group2.position.set(0, 50, 0);
group1.add(group2);
object2 = new v3d.Mesh(new v3d.BoxGeometry(30, 30, 30), material);
object2.name = 'Cube in group';
object2.position.set(0, 0, 400);
group2.add(object2);
// ---------------------------------------------------------------------
// v3d.Line Strip
// ---------------------------------------------------------------------
geometry = new v3d.BufferGeometry();
let numPoints = 100;
let positions = new Float32Array(numPoints * 3);
for (let i = 0; i < numPoints; i++) {
positions[i * 3] = i;
positions[i * 3 + 1] = Math.sin(i / 2) * 20;
positions[i * 3 + 2] = 0;
}
geometry.setAttribute('position', new v3d.BufferAttribute(positions, 3));
object = new v3d.Line(geometry, new v3d.LineBasicMaterial({ color: 0xffff00 }));
object.position.set(- 50, 0, -200);
scene1.add(object);
// ---------------------------------------------------------------------
// v3d.Line Loop
// ---------------------------------------------------------------------
geometry = new v3d.BufferGeometry();
numPoints = 5;
const radius = 70;
positions = new Float32Array(numPoints * 3);
for (let i = 0; i < numPoints; i++) {
const s = i * Math.PI * 2 / numPoints;
positions[i * 3] = radius * Math.sin(s);
positions[i * 3 + 1] = radius * Math.cos(s);
positions[i * 3 + 2] = 0;
}
geometry.setAttribute('position', new v3d.BufferAttribute(positions, 3));
object = new v3d.LineLoop(geometry, new v3d.LineBasicMaterial({ color: 0xffff00 }));
object.position.set(0, 0, -200);
scene1.add(object);
// ---------------------------------------------------------------------
// v3d.Points
// ---------------------------------------------------------------------
numPoints = 100;
const pointsArray = new Float32Array(numPoints * 3);
for (let i = 0; i < numPoints; i++) {
pointsArray[3 * i] = -50 + Math.random() * 100;
pointsArray[3 * i + 1] = Math.random() * 100;
pointsArray[3 * i + 2] = -50 + Math.random() * 100;
}
const pointsGeo = new v3d.BufferGeometry();
pointsGeo.setAttribute('position', new v3d.BufferAttribute(pointsArray, 3));
const pointsMaterial = new v3d.PointsMaterial({ color: 0xffff00, size: 5 });
const pointCloud = new v3d.Points(pointsGeo, pointsMaterial);
pointCloud.name = 'Points';
pointCloud.position.set(- 200, 0, -200);
scene1.add(pointCloud);
// ---------------------------------------------------------------------
// Ortho camera
// ---------------------------------------------------------------------
const cameraOrtho = new v3d.OrthographicCamera(window.innerWidth / -2, window.innerWidth / 2, window.innerHeight / 2, window.innerHeight / -2, 0.1, 10);
scene1.add(cameraOrtho);
cameraOrtho.name = 'OrthographicCamera';
material = new v3d.MeshLambertMaterial({
color: 0xffff00,
side: v3d.DoubleSide
});
object = new v3d.Mesh(new v3d.CircleGeometry(50, 20, 0, Math.PI * 2), material);
object.position.set(200, 0, -400);
scene1.add(object);
object = new v3d.Mesh(new v3d.RingGeometry(10, 50, 20, 5, 0, Math.PI * 2), material);
object.position.set(0, 0, -400);
scene1.add(object);
object = new v3d.Mesh(new v3d.CylinderGeometry(25, 75, 100, 40, 5), material);
object.position.set(- 200, 0, -400);
scene1.add(object);
//
const points = [];
for (let i = 0; i < 50; i++) {
points.push(new v3d.Vector2(Math.sin(i * 0.2) * Math.sin(i * 0.1) * 15 + 50, (i - 5) * 2));
}
object = new v3d.Mesh(new v3d.LatheGeometry(points, 20), material);
object.position.set(200, 0, 400);
scene1.add(object);
// ---------------------------------------------------------------------
// Big red box hidden just for testing `onlyVisible` option
// ---------------------------------------------------------------------
material = new v3d.MeshBasicMaterial({
color: 0xff0000
});
object = new v3d.Mesh(new v3d.BoxGeometry(200, 200, 200), material);
object.position.set(0, 0, 0);
object.name = 'CubeHidden';
object.visible = false;
scene1.add(object);
// ---------------------------------------------------------------------
//
//
const loader = new OBJLoader();
loader.load('models/obj/walt/WaltHead.obj', function(obj) {
waltHead = obj;
waltHead.scale.multiplyScalar(1.5);
waltHead.position.set(200, -40, -200);
scene1.add(waltHead);
});
// ---------------------------------------------------------------------
// 2nd v3d.Scene
// ---------------------------------------------------------------------
scene2 = new v3d.Scene();
object = new v3d.Mesh(new v3d.BoxGeometry(100, 100, 100), material);
object.position.set(0, 0, 0);
object.name = 'Cube2ndScene';
scene2.name = 'Scene2';
scene2.add(object);
//
renderer = new v3d.WebGLRenderer({ antialias: true });
renderer.setPixelRatio(window.devicePixelRatio);
renderer.setSize(window.innerWidth, window.innerHeight);
container.appendChild(renderer.domElement);
//
window.addEventListener('resize', onWindowResize);
const gui = new GUI();
let h = gui.addFolder('Settings');
h.add(params, 'trs').name('Use TRS');
h.add(params, 'onlyVisible').name('Only Visible Objects');
h.add(params, 'binary').name('Binary (GLB)');
h.add(params, 'maxTextureSize', 2, 8192).name('Max Texture Size').step(1);
h = gui.addFolder('Export');
h.add(params, 'exportScene1').name('Export Scene 1');
h.add(params, 'exportScenes').name('Export Scene 1 and 2');
h.add(params, 'exportSphere').name('Export Sphere');
h.add(params, 'exportHead').name('Export Head');
h.add(params, 'exportObjects').name('Export Sphere With Grid');
h.add(params, 'exportSceneObject').name('Export Scene 1 and Object');
gui.open();
}
function exportScene1() {
exportGLTF(scene1);
}
function exportScenes() {
exportGLTF([scene1, scene2]);
}
function exportSphere() {
exportGLTF(sphere);
}
function exportHead() {
exportGLTF(waltHead);
}
function exportObjects() {
exportGLTF([sphere, gridHelper]);
}
function exportSceneObject() {
exportGLTF([scene1, gridHelper]);
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize(window.innerWidth, window.innerHeight);
}
//
function animate() {
requestAnimationFrame(animate);
render();
}
function render() {
const timer = Date.now() * 0.0001;
camera.position.x = Math.cos(timer) * 800;
camera.position.z = Math.sin(timer) * 800;
camera.lookAt(scene1.position);
renderer.render(scene1, camera);
}
</script>
</body>
</html>