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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 ar - dragging</title>
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+ <meta charset="utf-8">
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+ <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
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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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+
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+ <div id="info">
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+ <a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> ar - dragging
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+ </div>
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+
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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/[email protected]/dist/es-module-shims.js"></script>
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+
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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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+ }
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+ }
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+ </script>
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+
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+ <script type="module">
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+
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+ import * as THREE from 'three';
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+ import { OrbitControls } from './jsm/controls/OrbitControls.js';
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+ import { ARButton } from './jsm/webxr/ARButton.js';
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+
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+ let container;
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+ let camera, scene, renderer;
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+ let controller1, controller2;
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+ let controllerGrip1, controllerGrip2;
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+
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+ let raycaster;
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+
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+ const intersected = [];
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+ const tempMatrix = new THREE.Matrix4();
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+
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+ let controls, group;
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+
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+ init();
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+ animate();
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+
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+ function init() {
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+
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+ container = document.createElement( 'div' );
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+ document.body.appendChild( container );
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+
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+ scene = new THREE.Scene();
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+
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+ camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.1, 10 );
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+ camera.position.set( 0, 0, 3 );
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+
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+ controls = new OrbitControls( camera, container );
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+
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+ scene.add( new THREE.HemisphereLight( 0x808080, 0x606060 ) );
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+
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+ const light = new THREE.DirectionalLight( 0xffffff );
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+ light.position.set( 0, 6, 0 );
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+ scene.add( light );
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+
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+ group = new THREE.Group();
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+ scene.add( group );
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+
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+ const geometries = [
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+ new THREE.BoxGeometry( 0.2, 0.2, 0.2 ),
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+ new THREE.ConeGeometry( 0.2, 0.2, 64 ),
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+ new THREE.CylinderGeometry( 0.2, 0.2, 0.2, 64 ),
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+ new THREE.IcosahedronGeometry( 0.2, 8 ),
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+ new THREE.TorusGeometry( 0.2, 0.04, 64, 32 )
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+ ];
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+
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+ for ( let i = 0; i < 50; i ++ ) {
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+
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+ const geometry = geometries[ Math.floor( Math.random() * geometries.length ) ];
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+ const material = new THREE.MeshStandardMaterial( {
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+ color: Math.random() * 0xffffff,
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+ roughness: 0.7,
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+ metalness: 0.0
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+ } );
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+
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+ const object = new THREE.Mesh( geometry, material );
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+
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+ object.position.x = Math.random() * 4 - 2;
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+ object.position.y = Math.random() * 4 - 2;
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+ object.position.z = Math.random() * 4 - 2;
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+
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+ object.rotation.x = Math.random() * 2 * Math.PI;
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+ object.rotation.y = Math.random() * 2 * Math.PI;
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+ object.rotation.z = Math.random() * 2 * Math.PI;
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+
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+ object.scale.setScalar( Math.random() + 0.5 );
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+
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+ group.add( object );
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+
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+ }
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+
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+ //
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+
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+ renderer = new THREE.WebGLRenderer( { antialias: true, alpha: 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.xr.enabled = true;
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+ container.appendChild( renderer.domElement );
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+
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+ document.body.appendChild( ARButton.createButton( renderer ) );
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+
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+ // controllers
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+
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+ controller1 = renderer.xr.getController( 0 );
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+ controller1.addEventListener( 'selectstart', onSelectStart );
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+ controller1.addEventListener( 'selectend', onSelectEnd );
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+ scene.add( controller1 );
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+
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+ controller2 = renderer.xr.getController( 1 );
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+ controller2.addEventListener( 'selectstart', onSelectStart );
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+ controller2.addEventListener( 'selectend', onSelectEnd );
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+ scene.add( controller2 );
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+
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+ raycaster = new THREE.Raycaster();
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+
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+ //
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+
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+ window.addEventListener( 'resize', onWindowResize );
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+
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+ }
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+
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+ function onWindowResize() {
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+
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+ camera.aspect = window.innerWidth / window.innerHeight;
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+ camera.updateProjectionMatrix();
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+
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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+
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+ }
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+
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+ function onSelectStart( event ) {
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+
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+ const controller = event.target;
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+
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+ const intersections = getIntersections( controller );
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+
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+ if ( intersections.length > 0 ) {
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+
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+ const intersection = intersections[ 0 ];
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+
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+ const object = intersection.object;
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+ object.material.emissive.b = 1;
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+ controller.attach( object );
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+
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+ controller.userData.selected = object;
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+
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+ }
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+
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+ }
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+
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+ function onSelectEnd( event ) {
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+
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+ const controller = event.target;
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+
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+ if ( controller.userData.selected !== undefined ) {
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+
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+ const object = controller.userData.selected;
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+ object.material.emissive.b = 0;
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+ group.attach( object );
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+
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+ controller.userData.selected = undefined;
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+
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+ }
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+
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+
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+ }
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+
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+ function getIntersections( controller ) {
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+
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+ tempMatrix.identity().extractRotation( controller.matrixWorld );
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+
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+ raycaster.ray.origin.setFromMatrixPosition( controller.matrixWorld );
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+ raycaster.ray.direction.set( 0, 0, - 1 ).applyMatrix4( tempMatrix );
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+
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+ return raycaster.intersectObjects( group.children, false );
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+
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+ }
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+
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+ function intersectObjects( controller ) {
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+
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+ // Do not highlight when already selected
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+
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+ if ( controller.userData.selected !== undefined ) return;
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+
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+ const intersections = getIntersections( controller );
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+
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+ if ( intersections.length > 0 ) {
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+
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+ const intersection = intersections[ 0 ];
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+
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+ const object = intersection.object;
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+ object.material.emissive.r = 1;
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+ intersected.push( object );
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+
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+ }
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+
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+ }
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+
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+ function cleanIntersected() {
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+
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+ while ( intersected.length ) {
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+
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+ const object = intersected.pop();
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+ object.material.emissive.r = 0;
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+
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+ }
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+
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+ }
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+
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+ //
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+
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+ function animate() {
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+
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+ renderer.setAnimationLoop( render );
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+
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+ }
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+
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+ function render() {
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+
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+ cleanIntersected();
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+
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+ intersectObjects( controller1 );
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+ intersectObjects( controller2 );
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+
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+ renderer.render( scene, camera );
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+
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+ }
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+
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+ </script>
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+ </body>
|
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+</html>
|
Mr.doob
