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297 lines
7.4 KiB
297 lines
7.4 KiB
3 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 vr - 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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<div id="info">
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<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> vr - dragging
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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 { OrbitControls } from 'three/addons/controls/OrbitControls.js';
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import { VRButton } from 'three/addons/webxr/VRButton.js';
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import { XRControllerModelFactory } from 'three/addons/webxr/XRControllerModelFactory.js';
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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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let raycaster;
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const intersected = [];
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const tempMatrix = new THREE.Matrix4();
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let controls, group;
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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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scene = new THREE.Scene();
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scene.background = new THREE.Color( 0x808080 );
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camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.1, 10 );
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camera.position.set( 0, 1.6, 3 );
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controls = new OrbitControls( camera, container );
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controls.target.set( 0, 1.6, 0 );
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controls.update();
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const floorGeometry = new THREE.PlaneGeometry( 4, 4 );
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const floorMaterial = new THREE.MeshStandardMaterial( {
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color: 0xeeeeee,
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roughness: 1.0,
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metalness: 0.0
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} );
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const floor = new THREE.Mesh( floorGeometry, floorMaterial );
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floor.rotation.x = - Math.PI / 2;
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floor.receiveShadow = true;
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scene.add( floor );
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scene.add( new THREE.HemisphereLight( 0x808080, 0x606060 ) );
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const light = new THREE.DirectionalLight( 0xffffff );
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light.position.set( 0, 6, 0 );
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light.castShadow = true;
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light.shadow.camera.top = 2;
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light.shadow.camera.bottom = - 2;
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light.shadow.camera.right = 2;
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light.shadow.camera.left = - 2;
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light.shadow.mapSize.set( 4096, 4096 );
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scene.add( light );
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group = new THREE.Group();
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scene.add( group );
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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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for ( let i = 0; i < 50; i ++ ) {
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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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const object = new THREE.Mesh( geometry, material );
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object.position.x = Math.random() * 4 - 2;
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object.position.y = Math.random() * 2;
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object.position.z = Math.random() * 4 - 2;
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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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object.scale.setScalar( Math.random() + 0.5 );
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object.castShadow = true;
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object.receiveShadow = true;
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group.add( object );
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}
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//
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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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renderer.xr.enabled = true;
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container.appendChild( renderer.domElement );
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document.body.appendChild( VRButton.createButton( renderer ) );
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// controllers
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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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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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const controllerModelFactory = new XRControllerModelFactory();
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controllerGrip1 = renderer.xr.getControllerGrip( 0 );
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controllerGrip1.add( controllerModelFactory.createControllerModel( controllerGrip1 ) );
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scene.add( controllerGrip1 );
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controllerGrip2 = renderer.xr.getControllerGrip( 1 );
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controllerGrip2.add( controllerModelFactory.createControllerModel( controllerGrip2 ) );
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scene.add( controllerGrip2 );
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//
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const geometry = new THREE.BufferGeometry().setFromPoints( [ new THREE.Vector3( 0, 0, 0 ), new THREE.Vector3( 0, 0, - 1 ) ] );
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const line = new THREE.Line( geometry );
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line.name = 'line';
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line.scale.z = 5;
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controller1.add( line.clone() );
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controller2.add( line.clone() );
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raycaster = new THREE.Raycaster();
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//
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window.addEventListener( 'resize', onWindowResize );
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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 onSelectStart( event ) {
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const controller = event.target;
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const intersections = getIntersections( controller );
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if ( intersections.length > 0 ) {
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const intersection = intersections[ 0 ];
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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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controller.userData.selected = object;
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}
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}
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function onSelectEnd( event ) {
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const controller = event.target;
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if ( controller.userData.selected !== undefined ) {
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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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controller.userData.selected = undefined;
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}
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}
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function getIntersections( controller ) {
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tempMatrix.identity().extractRotation( controller.matrixWorld );
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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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return raycaster.intersectObjects( group.children, false );
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}
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function intersectObjects( controller ) {
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// Do not highlight when already selected
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if ( controller.userData.selected !== undefined ) return;
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const line = controller.getObjectByName( 'line' );
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const intersections = getIntersections( controller );
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if ( intersections.length > 0 ) {
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const intersection = intersections[ 0 ];
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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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line.scale.z = intersection.distance;
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} else {
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line.scale.z = 5;
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}
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}
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function cleanIntersected() {
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while ( intersected.length ) {
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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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function animate() {
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renderer.setAnimationLoop( render );
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}
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function render() {
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cleanIntersected();
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intersectObjects( controller1 );
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intersectObjects( controller2 );
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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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