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287 lines
7.7 KiB
287 lines
7.7 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 - cubes</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 - interactive cubes
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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 { BoxLineGeometry } from 'three/addons/geometries/BoxLineGeometry.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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const clock = new THREE.Clock();
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let container;
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let camera, scene, raycaster, renderer;
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let room;
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let controller, controllerGrip;
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let INTERSECTED;
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const tempMatrix = new THREE.Matrix4();
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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( 0x505050 );
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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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scene.add( camera );
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room = new THREE.LineSegments(
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new BoxLineGeometry( 6, 6, 6, 10, 10, 10 ).translate( 0, 3, 0 ),
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new THREE.LineBasicMaterial( { color: 0x808080 } )
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);
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scene.add( room );
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scene.add( new THREE.HemisphereLight( 0x606060, 0x404040 ) );
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const light = new THREE.DirectionalLight( 0xffffff );
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light.position.set( 1, 1, 1 ).normalize();
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scene.add( light );
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const geometry = new THREE.BoxGeometry( 0.15, 0.15, 0.15 );
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for ( let i = 0; i < 200; i ++ ) {
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const object = new THREE.Mesh( geometry, new THREE.MeshLambertMaterial( { color: Math.random() * 0xffffff } ) );
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object.position.x = Math.random() * 4 - 2;
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object.position.y = Math.random() * 4;
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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.x = Math.random() + 0.5;
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object.scale.y = Math.random() + 0.5;
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object.scale.z = Math.random() + 0.5;
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object.userData.velocity = new THREE.Vector3();
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object.userData.velocity.x = Math.random() * 0.01 - 0.005;
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object.userData.velocity.y = Math.random() * 0.01 - 0.005;
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object.userData.velocity.z = Math.random() * 0.01 - 0.005;
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room.add( object );
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}
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raycaster = new THREE.Raycaster();
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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.xr.enabled = true;
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container.appendChild( renderer.domElement );
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//
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function onSelectStart() {
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this.userData.isSelecting = true;
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}
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function onSelectEnd() {
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this.userData.isSelecting = false;
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}
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controller = renderer.xr.getController( 0 );
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controller.addEventListener( 'selectstart', onSelectStart );
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controller.addEventListener( 'selectend', onSelectEnd );
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controller.addEventListener( 'connected', function ( event ) {
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this.add( buildController( event.data ) );
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} );
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controller.addEventListener( 'disconnected', function () {
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this.remove( this.children[ 0 ] );
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} );
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scene.add( controller );
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const controllerModelFactory = new XRControllerModelFactory();
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controllerGrip = renderer.xr.getControllerGrip( 0 );
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controllerGrip.add( controllerModelFactory.createControllerModel( controllerGrip ) );
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scene.add( controllerGrip );
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window.addEventListener( 'resize', onWindowResize );
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//
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document.body.appendChild( VRButton.createButton( renderer ) );
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}
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function buildController( data ) {
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let geometry, material;
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switch ( data.targetRayMode ) {
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case 'tracked-pointer':
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geometry = new THREE.BufferGeometry();
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geometry.setAttribute( 'position', new THREE.Float32BufferAttribute( [ 0, 0, 0, 0, 0, - 1 ], 3 ) );
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geometry.setAttribute( 'color', new THREE.Float32BufferAttribute( [ 0.5, 0.5, 0.5, 0, 0, 0 ], 3 ) );
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material = new THREE.LineBasicMaterial( { vertexColors: true, blending: THREE.AdditiveBlending } );
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return new THREE.Line( geometry, material );
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case 'gaze':
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geometry = new THREE.RingGeometry( 0.02, 0.04, 32 ).translate( 0, 0, - 1 );
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material = new THREE.MeshBasicMaterial( { opacity: 0.5, transparent: true } );
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return new THREE.Mesh( geometry, material );
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}
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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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//
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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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const delta = clock.getDelta() * 60;
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if ( controller.userData.isSelecting === true ) {
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const cube = room.children[ 0 ];
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room.remove( cube );
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cube.position.copy( controller.position );
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cube.userData.velocity.x = ( Math.random() - 0.5 ) * 0.02 * delta;
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cube.userData.velocity.y = ( Math.random() - 0.5 ) * 0.02 * delta;
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cube.userData.velocity.z = ( Math.random() * 0.01 - 0.05 ) * delta;
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cube.userData.velocity.applyQuaternion( controller.quaternion );
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room.add( cube );
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}
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// find intersections
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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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const intersects = raycaster.intersectObjects( room.children, false );
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if ( intersects.length > 0 ) {
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if ( INTERSECTED != intersects[ 0 ].object ) {
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if ( INTERSECTED ) INTERSECTED.material.emissive.setHex( INTERSECTED.currentHex );
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INTERSECTED = intersects[ 0 ].object;
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INTERSECTED.currentHex = INTERSECTED.material.emissive.getHex();
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INTERSECTED.material.emissive.setHex( 0xff0000 );
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}
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} else {
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if ( INTERSECTED ) INTERSECTED.material.emissive.setHex( INTERSECTED.currentHex );
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INTERSECTED = undefined;
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}
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// Keep cubes inside room
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for ( let i = 0; i < room.children.length; i ++ ) {
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const cube = room.children[ i ];
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cube.userData.velocity.multiplyScalar( 1 - ( 0.001 * delta ) );
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cube.position.add( cube.userData.velocity );
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if ( cube.position.x < - 3 || cube.position.x > 3 ) {
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cube.position.x = THREE.MathUtils.clamp( cube.position.x, - 3, 3 );
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cube.userData.velocity.x = - cube.userData.velocity.x;
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}
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if ( cube.position.y < 0 || cube.position.y > 6 ) {
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cube.position.y = THREE.MathUtils.clamp( cube.position.y, 0, 6 );
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cube.userData.velocity.y = - cube.userData.velocity.y;
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}
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if ( cube.position.z < - 3 || cube.position.z > 3 ) {
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cube.position.z = THREE.MathUtils.clamp( cube.position.z, - 3, 3 );
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cube.userData.velocity.z = - cube.userData.velocity.z;
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}
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cube.rotation.x += cube.userData.velocity.x * 2 * delta;
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cube.rotation.y += cube.userData.velocity.y * 2 * delta;
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cube.rotation.z += cube.userData.velocity.z * 2 * delta;
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}
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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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