|
@@ -0,0 +1,428 @@
|
|
|
|
|
+<!DOCTYPE html>
|
|
|
|
|
+<html lang="en">
|
|
|
|
|
+ <head>
|
|
|
|
|
+ <title>three.js webgl - teapot buffer geometry</title>
|
|
|
|
|
+ <meta charset="utf-8">
|
|
|
|
|
+ <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
|
|
|
|
|
+ <style>
|
|
|
|
|
+ body {
|
|
|
|
|
+ color: #fff;
|
|
|
|
|
+ font-family: Monospace;
|
|
|
|
|
+ font-size: 13px;
|
|
|
|
|
+ text-align: center;
|
|
|
|
|
+ font-weight: bold;
|
|
|
|
|
+
|
|
|
|
|
+ background-color: #000;
|
|
|
|
|
+ margin: 0px;
|
|
|
|
|
+ overflow: hidden;
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ #info {
|
|
|
|
|
+ position: absolute;
|
|
|
|
|
+ padding: 10px;
|
|
|
|
|
+ width: 100%;
|
|
|
|
|
+ text-align: center;
|
|
|
|
|
+ color: #fff;
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ a { color: blue; }
|
|
|
|
|
+
|
|
|
|
|
+ </style>
|
|
|
|
|
+ </head>
|
|
|
|
|
+ <body>
|
|
|
|
|
+ <div id="info">
|
|
|
|
|
+ <a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - the Utah Teapot<br />
|
|
|
|
|
+ from <a href="https://www.udacity.com/course/interactive-3d-graphics--cs291" target="_blank" rel="noopener">Udacity Interactive 3D Graphics</a>
|
|
|
|
|
+ <button id="savecolladabutton">save collada</button>
|
|
|
|
|
+ </div>
|
|
|
|
|
+
|
|
|
|
|
+ <script src="../build/three.js"></script>
|
|
|
|
|
+
|
|
|
|
|
+ <script src="js/controls/OrbitControls.js"></script>
|
|
|
|
|
+
|
|
|
|
|
+ <script src="js/WebGL.js"></script>
|
|
|
|
|
+
|
|
|
|
|
+ <script src='js/libs/dat.gui.min.js'></script>
|
|
|
|
|
+
|
|
|
|
|
+ <script src='js/geometries/TeapotBufferGeometry.js'></script>
|
|
|
|
|
+
|
|
|
|
|
+ <script src="js/exporters/ColladaExporter.js"></script>
|
|
|
|
|
+
|
|
|
|
|
+ <script>
|
|
|
|
|
+
|
|
|
|
|
+ ////////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
+ // Utah/Newell Teapot demo
|
|
|
|
|
+ ////////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
+ /*global THREE, WEBGL, dat, window */
|
|
|
|
|
+
|
|
|
|
|
+ if ( WEBGL.isWebGLAvailable() === false ) {
|
|
|
|
|
+
|
|
|
|
|
+ document.body.appendChild( WEBGL.getWebGLErrorMessage() );
|
|
|
|
|
+
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ var camera, scene, renderer;
|
|
|
|
|
+ var cameraControls;
|
|
|
|
|
+ var effectController;
|
|
|
|
|
+ var teapotSize = 400;
|
|
|
|
|
+ var ambientLight, light;
|
|
|
|
|
+
|
|
|
|
|
+ var tess = - 1; // force initialization
|
|
|
|
|
+ var bBottom;
|
|
|
|
|
+ var bLid;
|
|
|
|
|
+ var bBody;
|
|
|
|
|
+ var bFitLid;
|
|
|
|
|
+ var bNonBlinn;
|
|
|
|
|
+ var shading;
|
|
|
|
|
+ var wireMaterial, flatMaterial, gouraudMaterial, phongMaterial, texturedMaterial, reflectiveMaterial;
|
|
|
|
|
+
|
|
|
|
|
+ var teapot, textureCube;
|
|
|
|
|
+
|
|
|
|
|
+ // allocate these just once
|
|
|
|
|
+ var diffuseColor = new THREE.Color();
|
|
|
|
|
+ var specularColor = new THREE.Color();
|
|
|
|
|
+
|
|
|
|
|
+ init();
|
|
|
|
|
+ render();
|
|
|
|
|
+
|
|
|
|
|
+ function init() {
|
|
|
|
|
+
|
|
|
|
|
+ var container = document.createElement( 'div' );
|
|
|
|
|
+ document.body.appendChild( container );
|
|
|
|
|
+
|
|
|
|
|
+ var canvasWidth = window.innerWidth;
|
|
|
|
|
+ var 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.gammaInput = true;
|
|
|
|
|
+ renderer.gammaOutput = true;
|
|
|
|
|
+ container.appendChild( renderer.domElement );
|
|
|
|
|
+
|
|
|
|
|
+ // EVENTS
|
|
|
|
|
+ window.addEventListener( 'resize', onWindowResize, false );
|
|
|
|
|
+
|
|
|
|
|
+ // CONTROLS
|
|
|
|
|
+ cameraControls = new THREE.OrbitControls( camera, renderer.domElement );
|
|
|
|
|
+ cameraControls.addEventListener( 'change', render );
|
|
|
|
|
+
|
|
|
|
|
+ // TEXTURE MAP
|
|
|
|
|
+ var textureMap = new THREE.TextureLoader().load( 'textures/UV_Grid_Sm.jpg' );
|
|
|
|
|
+ textureMap.wrapS = textureMap.wrapT = THREE.RepeatWrapping;
|
|
|
|
|
+ textureMap.anisotropy = 16;
|
|
|
|
|
+
|
|
|
|
|
+ // REFLECTION MAP
|
|
|
|
|
+ var path = "textures/cube/skybox/";
|
|
|
|
|
+ var urls = [
|
|
|
|
|
+ path + "px.jpg", path + "nx.jpg",
|
|
|
|
|
+ path + "py.jpg", path + "ny.jpg",
|
|
|
|
|
+ path + "pz.jpg", path + "nz.jpg"
|
|
|
|
|
+ ];
|
|
|
|
|
+
|
|
|
|
|
+ textureCube = new THREE.CubeTextureLoader().load( urls );
|
|
|
|
|
+
|
|
|
|
|
+ // MATERIALS
|
|
|
|
|
+ var 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 } );
|
|
|
|
|
+
|
|
|
|
|
+ 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() {
|
|
|
|
|
+
|
|
|
|
|
+ var canvasWidth = window.innerWidth;
|
|
|
|
|
+ var 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"
|
|
|
|
|
+ };
|
|
|
|
|
+
|
|
|
|
|
+ var h;
|
|
|
|
|
+
|
|
|
|
|
+ var gui = new dat.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", "reflective" ] ).name( "Shading" ).onChange( render );
|
|
|
|
|
+
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+
|
|
|
|
|
+ //
|
|
|
|
|
+
|
|
|
|
|
+ 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;
|
|
|
|
|
+
|
|
|
|
|
+ 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 );
|
|
|
|
|
+
|
|
|
|
|
+ specularColor.multiplyScalar( effectController.ks );
|
|
|
|
|
+ phongMaterial.specular.copy( specularColor );
|
|
|
|
|
+ texturedMaterial.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 );
|
|
|
|
|
+
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ var teapotGeometry = new THREE.TeapotBufferGeometry( 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 : reflectiveMaterial ) ) ) ) ); // if no match, pick Phong
|
|
|
|
|
+
|
|
|
|
|
+ scene.add( teapot );
|
|
|
|
|
+
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ var exporter = new THREE.ColladaExporter();
|
|
|
|
|
+ function exportASCII() {
|
|
|
|
|
+
|
|
|
|
|
+ var result = exporter.parse( teapot );
|
|
|
|
|
+ var material_type = "Phong";
|
|
|
|
|
+ if ( shading === "wireframe" ) {
|
|
|
|
|
+ material_type = "Constant"
|
|
|
|
|
+ }
|
|
|
|
|
+ if ( shading === "smooth" ) {
|
|
|
|
|
+ material_type = "Lambert"
|
|
|
|
|
+ }
|
|
|
|
|
+ console.log(result.textures)
|
|
|
|
|
+ saveString( result.data, 'teapot_' + material_type + '.dae' );
|
|
|
|
|
+ result.textures.forEach( tex => {
|
|
|
|
|
+ saveArrayBuffer( tex.data, `${ tex.name }.${ tex.ext }` );
|
|
|
|
|
+ });
|
|
|
|
|
+
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ var link = document.createElement( 'a' );
|
|
|
|
|
+ link.style.display = 'none';
|
|
|
|
|
+ document.body.appendChild( link );
|
|
|
|
|
+
|
|
|
|
|
+ var savecolladabutton = document.getElementById("savecolladabutton");
|
|
|
|
|
+ savecolladabutton.addEventListener('click', function(){
|
|
|
|
|
+ exportASCII();
|
|
|
|
|
+ });
|
|
|
|
|
+
|
|
|
|
|
+
|
|
|
|
|
+ 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 exportBinary() {
|
|
|
|
|
+
|
|
|
|
|
+ var result = exporter.parse( mesh, { binary: true } );
|
|
|
|
|
+ saveArrayBuffer( result, 'box.stl' );
|
|
|
|
|
+
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ function saveArrayBuffer( buffer, filename ) {
|
|
|
|
|
+
|
|
|
|
|
+ save( new Blob( [ buffer ], { type: 'application/octet-stream' } ), filename );
|
|
|
|
|
+
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+
|
|
|
|
|
+ </script>
|
|
|
|
|
+
|
|
|
|
|
+ </body>
|
|
|
|
|
+</html>
|
clintonman