408 lines
12 KiB
HTML
408 lines
12 KiB
HTML
<!DOCTYPE html>
|
|
<html lang="en">
|
|
<head>
|
|
<title>three.js webgl - exporter - collada</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 - collada<br /><br />
|
|
<button id="export">Export COLLADA</button>
|
|
</div>
|
|
|
|
<script type="module">
|
|
|
|
import * as THREE from '../build/three.module.js';
|
|
|
|
import { GUI } from './jsm/libs/dat.gui.module.js';
|
|
|
|
import { OrbitControls } from './jsm/controls/OrbitControls.js';
|
|
import { ColladaExporter } from './jsm/exporters/ColladaExporter.js';
|
|
import { TeapotGeometry } from './jsm/geometries/TeapotGeometry.js';
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// Utah/Newell Teapot demo
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/*global window */
|
|
|
|
let camera, scene, renderer;
|
|
let cameraControls;
|
|
let effectController;
|
|
const teapotSize = 400;
|
|
let ambientLight, light;
|
|
|
|
let tess = - 1; // force initialization
|
|
let bBottom;
|
|
let bLid;
|
|
let bBody;
|
|
let bFitLid;
|
|
let bNonBlinn;
|
|
let shading;
|
|
let wireMaterial, flatMaterial, gouraudMaterial, phongMaterial, texturedMaterial, normalMaterial, reflectiveMaterial;
|
|
|
|
let teapot, textureCube;
|
|
|
|
// allocate these just once
|
|
const diffuseColor = new THREE.Color();
|
|
const specularColor = new THREE.Color();
|
|
|
|
init();
|
|
render();
|
|
|
|
function init() {
|
|
|
|
const container = document.createElement( 'div' );
|
|
document.body.appendChild( container );
|
|
|
|
const canvasWidth = window.innerWidth;
|
|
const canvasHeight = window.innerHeight;
|
|
|
|
// CAMERA
|
|
camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 80000 );
|
|
camera.position.set( - 600, 550, 1300 );
|
|
|
|
// LIGHTS
|
|
ambientLight = new THREE.AmbientLight( 0x333333 ); // 0.2
|
|
|
|
light = new THREE.DirectionalLight( 0xFFFFFF, 1.0 );
|
|
// direction is set in GUI
|
|
|
|
// RENDERER
|
|
renderer = new THREE.WebGLRenderer( { antialias: true } );
|
|
renderer.setPixelRatio( window.devicePixelRatio );
|
|
renderer.setSize( canvasWidth, canvasHeight );
|
|
renderer.outputEncoding = THREE.sRGBEncoding;
|
|
container.appendChild( renderer.domElement );
|
|
|
|
// EVENTS
|
|
window.addEventListener( 'resize', onWindowResize );
|
|
|
|
// CONTROLS
|
|
cameraControls = new OrbitControls( camera, renderer.domElement );
|
|
cameraControls.addEventListener( 'change', render );
|
|
|
|
// TEXTURE MAP
|
|
const loader = new THREE.TextureLoader();
|
|
|
|
const textureMap = loader.load( 'textures/uv_grid_opengl.jpg' );
|
|
textureMap.wrapS = textureMap.wrapT = THREE.RepeatWrapping;
|
|
textureMap.anisotropy = 16;
|
|
textureMap.encoding = THREE.sRGBEncoding;
|
|
|
|
// NORMAL MAP
|
|
|
|
const diffuseMap = loader.load( 'textures/floors/FloorsCheckerboard_S_Diffuse.jpg' );
|
|
const normalMap = loader.load( 'textures/floors/FloorsCheckerboard_S_Normal.jpg' );
|
|
|
|
// REFLECTION MAP
|
|
const path = "textures/cube/pisa/";
|
|
const urls = [
|
|
path + "px.png", path + "nx.png",
|
|
path + "py.png", path + "ny.png",
|
|
path + "pz.png", path + "nz.png"
|
|
];
|
|
|
|
textureCube = new THREE.CubeTextureLoader().load( urls );
|
|
textureCube.encoding = THREE.sRGBEncoding;
|
|
|
|
// MATERIALS
|
|
const materialColor = new THREE.Color();
|
|
materialColor.setRGB( 1.0, 1.0, 1.0 );
|
|
|
|
wireMaterial = new THREE.MeshBasicMaterial( { color: 0xFFFFFF, wireframe: true } );
|
|
|
|
flatMaterial = new THREE.MeshPhongMaterial( { color: materialColor, specular: 0x000000, flatShading: true, side: THREE.DoubleSide } );
|
|
|
|
gouraudMaterial = new THREE.MeshLambertMaterial( { color: materialColor, side: THREE.DoubleSide } );
|
|
|
|
phongMaterial = new THREE.MeshPhongMaterial( { color: materialColor, side: THREE.DoubleSide } );
|
|
|
|
texturedMaterial = new THREE.MeshPhongMaterial( { color: materialColor, map: textureMap, side: THREE.DoubleSide } );
|
|
|
|
normalMaterial = new THREE.MeshPhongMaterial( { color: materialColor, map: diffuseMap, normalMap: normalMap, side: THREE.DoubleSide } );
|
|
|
|
reflectiveMaterial = new THREE.MeshPhongMaterial( { color: materialColor, envMap: textureCube, side: THREE.DoubleSide } );
|
|
|
|
// scene itself
|
|
scene = new THREE.Scene();
|
|
scene.background = new THREE.Color( 0xAAAAAA );
|
|
|
|
scene.add( ambientLight );
|
|
scene.add( light );
|
|
|
|
// GUI
|
|
setupGui();
|
|
|
|
}
|
|
|
|
// EVENT HANDLERS
|
|
|
|
function onWindowResize() {
|
|
|
|
const canvasWidth = window.innerWidth;
|
|
const canvasHeight = window.innerHeight;
|
|
|
|
renderer.setSize( canvasWidth, canvasHeight );
|
|
|
|
camera.aspect = canvasWidth / canvasHeight;
|
|
camera.updateProjectionMatrix();
|
|
|
|
render();
|
|
|
|
}
|
|
|
|
function setupGui() {
|
|
|
|
effectController = {
|
|
|
|
shininess: 40.0,
|
|
ka: 0.17,
|
|
kd: 0.51,
|
|
ks: 0.2,
|
|
metallic: true,
|
|
|
|
hue: 0.121,
|
|
saturation: 0.73,
|
|
lightness: 0.66,
|
|
|
|
lhue: 0.04,
|
|
lsaturation: 0.01, // non-zero so that fractions will be shown
|
|
llightness: 1.0,
|
|
|
|
// bizarrely, if you initialize these with negative numbers, the sliders
|
|
// will not show any decimal places.
|
|
lx: 0.32,
|
|
ly: 0.39,
|
|
lz: 0.7,
|
|
newTess: 15,
|
|
bottom: true,
|
|
lid: true,
|
|
body: true,
|
|
fitLid: false,
|
|
nonblinn: false,
|
|
newShading: "glossy"
|
|
};
|
|
|
|
let h;
|
|
|
|
const gui = new GUI();
|
|
|
|
// material (attributes)
|
|
|
|
h = gui.addFolder( "Material control" );
|
|
|
|
h.add( effectController, "shininess", 1.0, 400.0, 1.0 ).name( "shininess" ).onChange( render );
|
|
h.add( effectController, "kd", 0.0, 1.0, 0.025 ).name( "diffuse strength" ).onChange( render );
|
|
h.add( effectController, "ks", 0.0, 1.0, 0.025 ).name( "specular strength" ).onChange( render );
|
|
h.add( effectController, "metallic" ).onChange( render );
|
|
|
|
// material (color)
|
|
|
|
h = gui.addFolder( "Material color" );
|
|
|
|
h.add( effectController, "hue", 0.0, 1.0, 0.025 ).name( "hue" ).onChange( render );
|
|
h.add( effectController, "saturation", 0.0, 1.0, 0.025 ).name( "saturation" ).onChange( render );
|
|
h.add( effectController, "lightness", 0.0, 1.0, 0.025 ).name( "lightness" ).onChange( render );
|
|
|
|
// light (point)
|
|
|
|
h = gui.addFolder( "Lighting" );
|
|
|
|
h.add( effectController, "lhue", 0.0, 1.0, 0.025 ).name( "hue" ).onChange( render );
|
|
h.add( effectController, "lsaturation", 0.0, 1.0, 0.025 ).name( "saturation" ).onChange( render );
|
|
h.add( effectController, "llightness", 0.0, 1.0, 0.025 ).name( "lightness" ).onChange( render );
|
|
h.add( effectController, "ka", 0.0, 1.0, 0.025 ).name( "ambient" ).onChange( render );
|
|
|
|
// light (directional)
|
|
|
|
h = gui.addFolder( "Light direction" );
|
|
|
|
h.add( effectController, "lx", - 1.0, 1.0, 0.025 ).name( "x" ).onChange( render );
|
|
h.add( effectController, "ly", - 1.0, 1.0, 0.025 ).name( "y" ).onChange( render );
|
|
h.add( effectController, "lz", - 1.0, 1.0, 0.025 ).name( "z" ).onChange( render );
|
|
|
|
h = gui.addFolder( "Tessellation control" );
|
|
h.add( effectController, "newTess", [ 2, 3, 4, 5, 6, 8, 10, 15, 20, 30, 40, 50 ] ).name( "Tessellation Level" ).onChange( render );
|
|
h.add( effectController, "lid" ).name( "display lid" ).onChange( render );
|
|
h.add( effectController, "body" ).name( "display body" ).onChange( render );
|
|
h.add( effectController, "bottom" ).name( "display bottom" ).onChange( render );
|
|
h.add( effectController, "fitLid" ).name( "snug lid" ).onChange( render );
|
|
h.add( effectController, "nonblinn" ).name( "original scale" ).onChange( render );
|
|
|
|
// shading
|
|
|
|
gui.add( effectController, "newShading", [ "wireframe", "flat", "smooth", "glossy", "textured", "normal", "reflective" ] ).name( "Shading" ).onChange( render );
|
|
|
|
const exportButton = document.getElementById( 'export' );
|
|
exportButton.addEventListener( 'click', exportCollada );
|
|
|
|
}
|
|
|
|
|
|
//
|
|
|
|
function render() {
|
|
|
|
if ( effectController.newTess !== tess ||
|
|
effectController.bottom !== bBottom ||
|
|
effectController.lid !== bLid ||
|
|
effectController.body !== bBody ||
|
|
effectController.fitLid !== bFitLid ||
|
|
effectController.nonblinn !== bNonBlinn ||
|
|
effectController.newShading !== shading ) {
|
|
|
|
tess = effectController.newTess;
|
|
bBottom = effectController.bottom;
|
|
bLid = effectController.lid;
|
|
bBody = effectController.body;
|
|
bFitLid = effectController.fitLid;
|
|
bNonBlinn = effectController.nonblinn;
|
|
shading = effectController.newShading;
|
|
|
|
createNewTeapot();
|
|
|
|
}
|
|
|
|
// We're a bit lazy here. We could check to see if any material attributes changed and update
|
|
// only if they have. But, these calls are cheap enough and this is just a demo.
|
|
phongMaterial.shininess = effectController.shininess;
|
|
texturedMaterial.shininess = effectController.shininess;
|
|
normalMaterial.shininess = effectController.shininess;
|
|
|
|
diffuseColor.setHSL( effectController.hue, effectController.saturation, effectController.lightness );
|
|
if ( effectController.metallic ) {
|
|
|
|
// make colors match to give a more metallic look
|
|
specularColor.copy( diffuseColor );
|
|
|
|
} else {
|
|
|
|
// more of a plastic look
|
|
specularColor.setRGB( 1, 1, 1 );
|
|
|
|
}
|
|
|
|
diffuseColor.multiplyScalar( effectController.kd );
|
|
flatMaterial.color.copy( diffuseColor );
|
|
gouraudMaterial.color.copy( diffuseColor );
|
|
phongMaterial.color.copy( diffuseColor );
|
|
texturedMaterial.color.copy( diffuseColor );
|
|
normalMaterial.color.copy( diffuseColor );
|
|
|
|
specularColor.multiplyScalar( effectController.ks );
|
|
phongMaterial.specular.copy( specularColor );
|
|
texturedMaterial.specular.copy( specularColor );
|
|
normalMaterial.specular.copy( specularColor );
|
|
|
|
// Ambient's actually controlled by the light for this demo
|
|
ambientLight.color.setHSL( effectController.hue, effectController.saturation, effectController.lightness * effectController.ka );
|
|
|
|
light.position.set( effectController.lx, effectController.ly, effectController.lz );
|
|
light.color.setHSL( effectController.lhue, effectController.lsaturation, effectController.llightness );
|
|
|
|
// skybox is rendered separately, so that it is always behind the teapot.
|
|
if ( shading === "reflective" ) {
|
|
|
|
scene.background = textureCube;
|
|
|
|
} else {
|
|
|
|
scene.background = null;
|
|
|
|
}
|
|
|
|
renderer.render( scene, camera );
|
|
|
|
}
|
|
|
|
// Whenever the teapot changes, the scene is rebuilt from scratch (not much to it).
|
|
function createNewTeapot() {
|
|
|
|
if ( teapot !== undefined ) {
|
|
|
|
teapot.geometry.dispose();
|
|
scene.remove( teapot );
|
|
|
|
}
|
|
|
|
const teapotGeometry = new TeapotGeometry( teapotSize,
|
|
tess,
|
|
effectController.bottom,
|
|
effectController.lid,
|
|
effectController.body,
|
|
effectController.fitLid,
|
|
! effectController.nonblinn );
|
|
|
|
teapot = new THREE.Mesh(
|
|
teapotGeometry,
|
|
shading === "wireframe" ? wireMaterial : (
|
|
shading === "flat" ? flatMaterial : (
|
|
shading === "smooth" ? gouraudMaterial : (
|
|
shading === "glossy" ? phongMaterial : (
|
|
shading === "textured" ? texturedMaterial : (
|
|
shading === "normal" ? normalMaterial : reflectiveMaterial ) ) ) ) ) ); // if no match, pick Phong
|
|
|
|
scene.add( teapot );
|
|
|
|
}
|
|
|
|
const exporter = new ColladaExporter();
|
|
|
|
function exportCollada() {
|
|
|
|
const result = exporter.parse( teapot );
|
|
let materialType = "Phong";
|
|
|
|
if ( shading === "wireframe" ) {
|
|
|
|
materialType = "Constant";
|
|
|
|
}
|
|
|
|
if ( shading === "smooth" ) {
|
|
|
|
materialType = "Lambert";
|
|
|
|
}
|
|
|
|
saveString( result.data, 'teapot_' + shading + "_" + materialType + '.dae' );
|
|
|
|
result.textures.forEach( tex => {
|
|
|
|
saveArrayBuffer( tex.data, `${ tex.name }.${ tex.ext }` );
|
|
|
|
} );
|
|
|
|
}
|
|
|
|
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 );
|
|
|
|
}
|
|
|
|
const link = document.createElement( 'a' );
|
|
link.style.display = 'none';
|
|
document.body.appendChild( link );
|
|
|
|
</script>
|
|
|
|
</body>
|
|
</html>
|