<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - STL</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> -
STL loader test by <a href="https://github.com/aleeper" target="_blank" rel="noopener">aleeper</a>.<br/>
PR2 head from <a href="http://www.ros.org/wiki/pr2_description">www.ros.org</a>
</div>
<script type="importmap">
{
"imports": {
"three": "../build/three.module.js",
"three/addons/": "./jsm/"
}
}
</script>
<script type="module">
import * as THREE from 'three';
import Stats from 'three/addons/libs/stats.module.js';
import { STLLoader } from 'three/addons/loaders/STLLoader.js';
let container, stats;
let camera, cameraTarget, scene, renderer;
init();
function init() {
container = document.createElement( 'div' );
document.body.appendChild( container );
camera = new THREE.PerspectiveCamera( 35, window.innerWidth / window.innerHeight, 1, 15 );
camera.position.set( 3, 0.15, 3 );
cameraTarget = new THREE.Vector3( 0, - 0.25, 0 );
scene = new THREE.Scene();
scene.background = new THREE.Color( 0x72645b );
scene.fog = new THREE.Fog( 0x72645b, 2, 15 );
// Ground
const plane = new THREE.Mesh(
new THREE.PlaneGeometry( 40, 40 ),
new THREE.MeshPhongMaterial( { color: 0xcbcbcb, specular: 0x474747 } )
);
plane.rotation.x = - Math.PI / 2;
plane.position.y = - 0.5;
scene.add( plane );
plane.receiveShadow = true;
// ASCII file
const loader = new STLLoader();
loader.load( './models/stl/ascii/slotted_disk.stl', function ( geometry ) {
const material = new THREE.MeshPhongMaterial( { color: 0xff9c7c, specular: 0x494949, shininess: 200 } );
const mesh = new THREE.Mesh( geometry, material );
mesh.position.set( 0, - 0.25, 0.6 );
mesh.rotation.set( 0, - Math.PI / 2, 0 );
mesh.scale.set( 0.5, 0.5, 0.5 );
mesh.castShadow = true;
mesh.receiveShadow = true;
scene.add( mesh );
} );
// Binary files
const material = new THREE.MeshPhongMaterial( { color: 0xd5d5d5, specular: 0x494949, shininess: 200 } );
loader.load( './models/stl/binary/pr2_head_pan.stl', function ( geometry ) {
const mesh = new THREE.Mesh( geometry, material );
mesh.position.set( 0, - 0.37, - 0.6 );
mesh.rotation.set( - Math.PI / 2, 0, 0 );
mesh.scale.set( 2, 2, 2 );
mesh.castShadow = true;
mesh.receiveShadow = true;
scene.add( mesh );
} );
loader.load( './models/stl/binary/pr2_head_tilt.stl', function ( geometry ) {
const mesh = new THREE.Mesh( geometry, material );
mesh.position.set( 0.136, - 0.37, - 0.6 );
mesh.rotation.set( - Math.PI / 2, 0.3, 0 );
mesh.scale.set( 2, 2, 2 );
mesh.castShadow = true;
mesh.receiveShadow = true;
scene.add( mesh );
} );
// Colored binary STL
loader.load( './models/stl/binary/colored.stl', function ( geometry ) {
let meshMaterial = material;
if ( geometry.hasColors ) {
meshMaterial = new THREE.MeshPhongMaterial( { opacity: geometry.alpha, vertexColors: true } );
}
const mesh = new THREE.Mesh( geometry, meshMaterial );
mesh.position.set( 0.5, 0.2, 0 );
mesh.rotation.set( - Math.PI / 2, Math.PI / 2, 0 );
mesh.scale.set( 0.3, 0.3, 0.3 );
mesh.castShadow = true;
mesh.receiveShadow = true;
scene.add( mesh );
} );
// Lights
scene.add( new THREE.HemisphereLight( 0x8d7c7c, 0x494966, 3 ) );
addShadowedLight( 1, 1, 1, 0xffffff, 3.5 );
addShadowedLight( 0.5, 1, - 1, 0xffd500, 3 );
// renderer
renderer = new THREE.WebGLRenderer( { antialias: true } );
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.setAnimationLoop( animate );
renderer.shadowMap.enabled = true;
container.appendChild( renderer.domElement );
// stats
stats = new Stats();
container.appendChild( stats.dom );
//
window.addEventListener( 'resize', onWindowResize );
}
function addShadowedLight( x, y, z, color, intensity ) {
const directionalLight = new THREE.DirectionalLight( color, intensity );
directionalLight.position.set( x, y, z );
scene.add( directionalLight );
directionalLight.castShadow = true;
const d = 1;
directionalLight.shadow.camera.left = - d;
directionalLight.shadow.camera.right = d;
directionalLight.shadow.camera.top = d;
directionalLight.shadow.camera.bottom = - d;
directionalLight.shadow.camera.near = 1;
directionalLight.shadow.camera.far = 4;
directionalLight.shadow.bias = - 0.002;
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
function animate() {
render();
stats.update();
}
function render() {
const timer = Date.now() * 0.0005;
camera.position.x = Math.cos( timer ) * 3;
camera.position.z = Math.sin( timer ) * 3;
camera.lookAt( cameraTarget );
renderer.render( scene, camera );
}
</script>
</body>
</html>