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233 lines
5.6 KiB
233 lines
5.6 KiB
2 years ago
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js webgl - STL</title>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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<link type="text/css" rel="stylesheet" href="main.css">
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</head>
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<body>
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<div id="info">
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<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> -
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STL loader test by <a href="https://github.com/aleeper" target="_blank" rel="noopener">aleeper</a>.<br/>
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PR2 head from <a href="http://www.ros.org/wiki/pr2_description">www.ros.org</a>
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</div>
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<!-- Import maps polyfill -->
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<!-- Remove this when import maps will be widely supported -->
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<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
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<script type="importmap">
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{
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"imports": {
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"three": "../build/three.module.js",
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"three/addons/": "./jsm/"
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}
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}
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</script>
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<script type="module">
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import * as THREE from 'three';
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import Stats from 'three/addons/libs/stats.module.js';
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import { STLLoader } from 'three/addons/loaders/STLLoader.js';
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let container, stats;
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let camera, cameraTarget, scene, renderer;
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init();
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animate();
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function init() {
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container = document.createElement( 'div' );
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document.body.appendChild( container );
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camera = new THREE.PerspectiveCamera( 35, window.innerWidth / window.innerHeight, 1, 15 );
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camera.position.set( 3, 0.15, 3 );
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cameraTarget = new THREE.Vector3( 0, - 0.25, 0 );
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scene = new THREE.Scene();
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scene.background = new THREE.Color( 0x72645b );
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scene.fog = new THREE.Fog( 0x72645b, 2, 15 );
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// Ground
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const plane = new THREE.Mesh(
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new THREE.PlaneGeometry( 40, 40 ),
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new THREE.MeshPhongMaterial( { color: 0x999999, specular: 0x101010 } )
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);
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plane.rotation.x = - Math.PI / 2;
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plane.position.y = - 0.5;
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scene.add( plane );
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plane.receiveShadow = true;
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// ASCII file
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const loader = new STLLoader();
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loader.load( './models/stl/ascii/slotted_disk.stl', function ( geometry ) {
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const material = new THREE.MeshPhongMaterial( { color: 0xff5533, specular: 0x111111, shininess: 200 } );
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const mesh = new THREE.Mesh( geometry, material );
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mesh.position.set( 0, - 0.25, 0.6 );
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mesh.rotation.set( 0, - Math.PI / 2, 0 );
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mesh.scale.set( 0.5, 0.5, 0.5 );
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mesh.castShadow = true;
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mesh.receiveShadow = true;
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scene.add( mesh );
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} );
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// Binary files
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const material = new THREE.MeshPhongMaterial( { color: 0xAAAAAA, specular: 0x111111, shininess: 200 } );
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loader.load( './models/stl/binary/pr2_head_pan.stl', function ( geometry ) {
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const mesh = new THREE.Mesh( geometry, material );
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mesh.position.set( 0, - 0.37, - 0.6 );
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mesh.rotation.set( - Math.PI / 2, 0, 0 );
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mesh.scale.set( 2, 2, 2 );
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mesh.castShadow = true;
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mesh.receiveShadow = true;
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scene.add( mesh );
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} );
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loader.load( './models/stl/binary/pr2_head_tilt.stl', function ( geometry ) {
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const mesh = new THREE.Mesh( geometry, material );
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mesh.position.set( 0.136, - 0.37, - 0.6 );
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mesh.rotation.set( - Math.PI / 2, 0.3, 0 );
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mesh.scale.set( 2, 2, 2 );
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mesh.castShadow = true;
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mesh.receiveShadow = true;
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scene.add( mesh );
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} );
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// Colored binary STL
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loader.load( './models/stl/binary/colored.stl', function ( geometry ) {
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let meshMaterial = material;
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if ( geometry.hasColors ) {
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meshMaterial = new THREE.MeshPhongMaterial( { opacity: geometry.alpha, vertexColors: true } );
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}
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const mesh = new THREE.Mesh( geometry, meshMaterial );
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mesh.position.set( 0.5, 0.2, 0 );
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mesh.rotation.set( - Math.PI / 2, Math.PI / 2, 0 );
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mesh.scale.set( 0.3, 0.3, 0.3 );
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mesh.castShadow = true;
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mesh.receiveShadow = true;
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scene.add( mesh );
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} );
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// Lights
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scene.add( new THREE.HemisphereLight( 0x443333, 0x111122 ) );
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addShadowedLight( 1, 1, 1, 0xffffff, 1.35 );
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addShadowedLight( 0.5, 1, - 1, 0xffaa00, 1 );
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// renderer
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renderer = new THREE.WebGLRenderer( { antialias: true } );
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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renderer.outputEncoding = THREE.sRGBEncoding;
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renderer.shadowMap.enabled = true;
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container.appendChild( renderer.domElement );
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// stats
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stats = new Stats();
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container.appendChild( stats.dom );
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//
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window.addEventListener( 'resize', onWindowResize );
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}
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function addShadowedLight( x, y, z, color, intensity ) {
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const directionalLight = new THREE.DirectionalLight( color, intensity );
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directionalLight.position.set( x, y, z );
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scene.add( directionalLight );
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directionalLight.castShadow = true;
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const d = 1;
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directionalLight.shadow.camera.left = - d;
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directionalLight.shadow.camera.right = d;
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directionalLight.shadow.camera.top = d;
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directionalLight.shadow.camera.bottom = - d;
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directionalLight.shadow.camera.near = 1;
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directionalLight.shadow.camera.far = 4;
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directionalLight.shadow.bias = - 0.002;
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}
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function onWindowResize() {
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize( window.innerWidth, window.innerHeight );
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}
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function animate() {
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requestAnimationFrame( animate );
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render();
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stats.update();
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}
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function render() {
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const timer = Date.now() * 0.0005;
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camera.position.x = Math.cos( timer ) * 3;
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camera.position.z = Math.sin( timer ) * 3;
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camera.lookAt( cameraTarget );
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renderer.render( scene, camera );
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}
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</script>
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</body>
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</html>
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