javascript
/
three.js
spogulis no https://github.com/tazdij/three.js.git


			
							123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242
							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js ar - dragging</title>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
		<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> ar - dragging
		</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"
				}
			}
		</script>

		<script type="module">

			import * as THREE from 'three';
			import { OrbitControls } from './jsm/controls/OrbitControls.js';
			import { ARButton } from './jsm/webxr/ARButton.js';

			let container;
			let camera, scene, renderer;
			let controller1, controller2;
			let controllerGrip1, controllerGrip2;

			let raycaster;

			const intersected = [];
			const tempMatrix = new THREE.Matrix4();

			let controls, group;

			init();
			animate();

			function init() {

				container = document.createElement( 'div' );
				document.body.appendChild( container );

				scene = new THREE.Scene();

				camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.1, 10 );
				camera.position.set( 0, 0, 3 );

				controls = new OrbitControls( camera, container );

				scene.add( new THREE.HemisphereLight( 0x808080, 0x606060 ) );

				const light = new THREE.DirectionalLight( 0xffffff );
				light.position.set( 0, 6, 0 );
				scene.add( light );

				group = new THREE.Group();
				scene.add( group );

				const geometries = [
					new THREE.BoxGeometry( 0.2, 0.2, 0.2 ),
					new THREE.ConeGeometry( 0.2, 0.2, 64 ),
					new THREE.CylinderGeometry( 0.2, 0.2, 0.2, 64 ),
					new THREE.IcosahedronGeometry( 0.2, 8 ),
					new THREE.TorusGeometry( 0.2, 0.04, 64, 32 )
				];

				for ( let i = 0; i < 50; i ++ ) {

					const geometry = geometries[ Math.floor( Math.random() * geometries.length ) ];
					const material = new THREE.MeshStandardMaterial( {
						color: Math.random() * 0xffffff,
						roughness: 0.7,
						metalness: 0.0
					} );

					const object = new THREE.Mesh( geometry, material );

					object.position.x = Math.random() * 4 - 2;
					object.position.y = Math.random() * 4 - 2;
					object.position.z = Math.random() * 4 - 2;

					object.rotation.x = Math.random() * 2 * Math.PI;
					object.rotation.y = Math.random() * 2 * Math.PI;
					object.rotation.z = Math.random() * 2 * Math.PI;

					object.scale.setScalar( Math.random() + 0.5 );

					group.add( object );

				}

				//

				renderer = new THREE.WebGLRenderer( { antialias: true, alpha: true } );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.outputEncoding = THREE.sRGBEncoding;
				renderer.xr.enabled = true;
				container.appendChild( renderer.domElement );

				document.body.appendChild( ARButton.createButton( renderer ) );

				// controllers

				controller1 = renderer.xr.getController( 0 );
				controller1.addEventListener( 'selectstart', onSelectStart );
				controller1.addEventListener( 'selectend', onSelectEnd );
				scene.add( controller1 );

				controller2 = renderer.xr.getController( 1 );
				controller2.addEventListener( 'selectstart', onSelectStart );
				controller2.addEventListener( 'selectend', onSelectEnd );
				scene.add( controller2 );

				raycaster = new THREE.Raycaster();

				//

				window.addEventListener( 'resize', onWindowResize );

			}

			function onWindowResize() {

				camera.aspect = window.innerWidth / window.innerHeight;
				camera.updateProjectionMatrix();

				renderer.setSize( window.innerWidth, window.innerHeight );

			}

			function onSelectStart( event ) {

				const controller = event.target;

				const intersections = getIntersections( controller );

				if ( intersections.length > 0 ) {

					const intersection = intersections[ 0 ];

					const object = intersection.object;
					object.material.emissive.b = 1;
					controller.attach( object );

					controller.userData.selected = object;

				}

			}

			function onSelectEnd( event ) {

				const controller = event.target;

				if ( controller.userData.selected !== undefined ) {

					const object = controller.userData.selected;
					object.material.emissive.b = 0;
					group.attach( object );

					controller.userData.selected = undefined;

				}


			}

			function getIntersections( controller ) {

				tempMatrix.identity().extractRotation( controller.matrixWorld );

				raycaster.ray.origin.setFromMatrixPosition( controller.matrixWorld );
				raycaster.ray.direction.set( 0, 0, - 1 ).applyMatrix4( tempMatrix );

				return raycaster.intersectObjects( group.children, false );

			}

			function intersectObjects( controller ) {

				// Do not highlight when already selected

				if ( controller.userData.selected !== undefined ) return;

				const intersections = getIntersections( controller );

				if ( intersections.length > 0 ) {

					const intersection = intersections[ 0 ];

					const object = intersection.object;
					object.material.emissive.r = 1;
					intersected.push( object );

				}

			}

			function cleanIntersected() {

				while ( intersected.length ) {

					const object = intersected.pop();
					object.material.emissive.r = 0;

				}

			}

			//

			function animate() {

				renderer.setAnimationLoop( render );

			}

			function render() {

				cleanIntersected();

				intersectObjects( controller1 );
				intersectObjects( controller2 );

				renderer.render( scene, camera );

			}

		</script>
	</body>
</html>