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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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+
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+ <div id="info">
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+ <a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> vr - hand and controller support
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+ </div>
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+
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+ <script type="module">
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+
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+ import * as THREE from '../build/three.module.js';
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+ import { OrbitControls } from './jsm/controls/OrbitControls.js';
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+ import { VRButton } from './jsm/webxr/VRButton.js';
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+ import { XRControllerModelFactory } from './jsm/webxr/XRControllerModelFactory.js';
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+ import { XRHandModelFactory } from './jsm/webxr/WebXRHandController.js';
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+
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+ var container;
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+ var camera, scene, renderer;
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+ var hand1, hand2;
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+ var controller1, controller2;
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+ var controllerGrip1, controllerGrip2;
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+
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+ var controls;
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+
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+ var grabbing = false;
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+ var scaling = {
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+ active: false,
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+ initialDistance: 0,
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+ object: null,
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+ initialScale: 1
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+ };
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+
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+ var spheres = [];
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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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+ scene.background = new THREE.Color( 0x808080 );
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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, 1.6, 3 );
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+
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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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+
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+ var geometry = new THREE.PlaneBufferGeometry( 4, 4 );
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+ var material = 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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+ var floor = new THREE.Mesh( geometry, material );
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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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+
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+ scene.add( new THREE.HemisphereLight( 0x808080, 0x606060 ) );
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+
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+ var 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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+
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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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+
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+ container.appendChild( renderer.domElement );
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+
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+ document.body.appendChild( VRButton.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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+ scene.add( controller1 );
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+
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+ controller2 = renderer.xr.getController( 1 );
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+ scene.add( controller2 );
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+
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+ var controllerModelFactory = new XRControllerModelFactory();
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+ var handModelFactory = new XRHandModelFactory();
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+
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+ // Hand 1
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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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+
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+ hand1 = renderer.xr.getHand( 0 );
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+ hand1.addEventListener( 'pinchstart', onPinchStartLeft );
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+ hand1.addEventListener( 'pinchend', () => {
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+
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+ scaling.active = false;
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+
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+ } );
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+ hand1.add( handModelFactory.createHandModel( hand1 ) );
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+
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+ scene.add( hand1 );
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+
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+ // Hand 2
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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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+ hand2 = renderer.xr.getHand( 1 );
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+ hand2.addEventListener( 'pinchstart', onPinchStartRight );
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+ hand2.addEventListener( 'pinchend', onPinchEndRight );
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+ hand2.add( handModelFactory.createHandModel( hand2 ) );
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+ scene.add( hand2 );
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+
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+ //
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+
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+ var geometry = new THREE.BufferGeometry().setFromPoints( [ new THREE.Vector3( 0, 0, 0 ), new THREE.Vector3( 0, 0, - 1 ) ] );
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+
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+ var line = new THREE.Line( geometry );
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+ line.name = 'line';
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+ line.scale.z = 5;
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+
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+ controller1.add( line.clone() );
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+ controller2.add( line.clone() );
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+
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+ //
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+
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+ window.addEventListener( 'resize', onWindowResize, false );
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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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+ const SphereRadius = 0.05;
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+ function onPinchStartLeft( event ) {
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+
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+ var controller = event.target;
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+
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+ if ( grabbing ) {
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+
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+ const indexTip = controller.joints[ XRHand.INDEX_PHALANX_TIP ];
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+ const sphere = collideObject( indexTip );
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+
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+ if ( sphere ) {
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+
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+ const sphere2 = hand2.userData.selected;
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+ console.log( "sphere1", sphere, "sphere2", sphere2 );
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+ if ( sphere === sphere2 ) {
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+
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+ scaling.active = true;
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+ scaling.object = sphere;
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+ scaling.initialScale = sphere.scale.x;
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+ scaling.initialDistance = indexTip.position.distanceTo( hand2.joints[ XRHand.INDEX_PHALANX_TIP ].position );
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+ return;
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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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+ var geometry = new THREE.BoxBufferGeometry( SphereRadius, SphereRadius, SphereRadius );
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+ var material = new THREE.MeshStandardMaterial( {
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+ color: Math.random() * 0xffffff,
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+ roughness: 1.0,
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+ metalness: 0.0
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+ } );
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+ var spawn = new THREE.Mesh( geometry, material );
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+ spawn.geometry.computeBoundingSphere();
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+
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+ const indexTip = controller.joints[ XRHand.INDEX_PHALANX_TIP ];
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+ spawn.position.copy( indexTip.position );
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+ spawn.quaternion.copy( indexTip.quaternion );
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+
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+ spheres.push( spawn );
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+
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+ scene.add( spawn );
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+ }
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+
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+ function collideObject( indexTip ) {
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+
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+ for ( var i = 0; i < spheres.length; i ++ ) {
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+
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+ const sphere = spheres[ i ];
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+ const distance = indexTip.getWorldPosition().distanceTo( sphere.getWorldPosition() );
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+
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+ if ( distance < sphere.geometry.boundingSphere.radius * sphere.scale.x ) {
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+
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+ return sphere;
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+
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+ }
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+
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+ }
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+
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+ return null;
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+
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+ }
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+
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+ function onPinchStartRight( event ) {
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+
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+ var controller = event.target;
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+ const indexTip = controller.joints[ XRHand.INDEX_PHALANX_TIP ];
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+ const object = collideObject( indexTip );
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+ if ( object ) {
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+
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+ grabbing = true;
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+ indexTip.attach( object );
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+ controller.userData.selected = object;
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+ console.log( "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 onPinchEndRight( event ) {
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+
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+ var controller = event.target;
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+
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+ if ( controller.userData.selected !== undefined ) {
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+
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+ var object = controller.userData.selected;
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+ object.material.emissive.b = 0;
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+ scene.attach( object );
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+
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+ controller.userData.selected = undefined;
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+ grabbing = false;
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+
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+ }
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+
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+ scaling.active = false;
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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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+ if ( scaling.active ) {
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+
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+ const indexTip1Pos = hand1.joints[ XRHand.INDEX_PHALANX_TIP ].position;
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+ const indexTip2Pos = hand2.joints[ XRHand.INDEX_PHALANX_TIP ].position;
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+ const distance = indexTip1Pos.distanceTo( indexTip2Pos );
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+ const newScale = scaling.initialScale + distance / scaling.initialDistance - 1;
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+ scaling.object.scale.setScalar( newScale );
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+ }
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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>
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Mr.doob