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webgl_loader_ifc.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - IFCLoader</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>
-
<a href="https://www.buildingsmart.org/standards/bsi-standards/industry-foundation-classes/" target="_blank" rel="noopener">IFCLoader</a>
</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": {
"three": "../build/three.module.js",
"three/addons/": "./jsm/"
}
}
</script>
<script type="module">
import * as THREE from 'three';
import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
import { IFCLoader } from 'three/addons/loaders/IFCLoader.js';
let scene, camera, renderer;
init();
function init() {
//Scene
scene = new THREE.Scene();
scene.background = new THREE.Color( 0x8cc7de );
//Camera
camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.1, 1000 );
camera.position.z = - 70;
camera.position.y = 25;
camera.position.x = 90;
//Initial cube
const geometry = new THREE.BoxGeometry();
const material = new THREE.MeshPhongMaterial( { color: 0xffffff } );
const cube = new THREE.Mesh( geometry, material );
scene.add( cube );
//Lights
const directionalLight1 = new THREE.DirectionalLight( 0xffeeff, 0.8 );
directionalLight1.position.set( 1, 1, 1 );
scene.add( directionalLight1 );
const directionalLight2 = new THREE.DirectionalLight( 0xffffff, 0.8 );
directionalLight2.position.set( - 1, 0.5, - 1 );
scene.add( directionalLight2 );
const ambientLight = new THREE.AmbientLight( 0xffffee, 0.25 );
scene.add( ambientLight );
//Setup IFC Loader
const ifcLoader = new IFCLoader();
ifcLoader.ifcManager.setWasmPath( 'jsm/loaders/ifc/' );
ifcLoader.load( 'models/ifc/rac_advanced_sample_project.ifc', function ( model ) {
scene.add( model.mesh );
render();
} );
const highlightMaterial = new THREE.MeshPhongMaterial( { color: 0xff00ff, depthTest: false, transparent: true, opacity: 0.3 } );
function selectObject( event ) {
if ( event.button != 0 ) return;
const mouse = new THREE.Vector2();
mouse.x = ( event.clientX / window.innerWidth ) * 2 - 1;
mouse.y = - ( event.clientY / window.innerHeight ) * 2 + 1;
const raycaster = new THREE.Raycaster();
raycaster.setFromCamera( mouse, camera );
const intersected = raycaster.intersectObjects( scene.children, false );
if ( intersected.length ) {
const found = intersected[ 0 ];
const faceIndex = found.faceIndex;
const geometry = found.object.geometry;
const id = ifcLoader.ifcManager.getExpressId( geometry, faceIndex );
const modelID = found.object.modelID;
ifcLoader.ifcManager.createSubset( { modelID, ids: [ id ], scene, removePrevious: true, material: highlightMaterial } );
const props = ifcLoader.ifcManager.getItemProperties( modelID, id, true );
console.log( props );
renderer.render( scene, camera );
}
}
window.onpointerdown = selectObject;
//Renderer
renderer = new THREE.WebGLRenderer( { antialias: true } );
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.setPixelRatio( window.devicePixelRatio );
document.body.appendChild( renderer.domElement );
//Controls
const controls = new OrbitControls( camera, renderer.domElement );
controls.addEventListener( 'change', render );
window.addEventListener( 'resize', onWindowResize );
render();
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
render();
}
function render() {
renderer.render( scene, camera );
}
</script>
</body>
</html>