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315 lines
8.4 KiB
315 lines
8.4 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 - ball shooter</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 - ball shooter
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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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let camera, scene, renderer;
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let controller1, controller2;
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let controllerGrip1, controllerGrip2;
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let room;
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let count = 0;
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const radius = 0.08;
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let normal = new THREE.Vector3();
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const relativeVelocity = new THREE.Vector3();
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const clock = new THREE.Clock();
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init();
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animate();
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function init() {
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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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room = new THREE.LineSegments(
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new BoxLineGeometry( 6, 6, 6, 10, 10, 10 ),
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new THREE.LineBasicMaterial( { color: 0x808080 } )
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);
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room.geometry.translate( 0, 3, 0 );
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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.IcosahedronGeometry( radius, 3 );
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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.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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//
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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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document.body.appendChild( renderer.domElement );
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//
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document.body.appendChild( VRButton.createButton( renderer ) );
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// controllers
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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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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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controller1.addEventListener( 'connected', function ( event ) {
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this.add( buildController( event.data ) );
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} );
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controller1.addEventListener( 'disconnected', function () {
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this.remove( this.children[ 0 ] );
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} );
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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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controller2.addEventListener( 'connected', function ( event ) {
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this.add( buildController( event.data ) );
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} );
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controller2.addEventListener( 'disconnected', function () {
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this.remove( this.children[ 0 ] );
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} );
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scene.add( controller2 );
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// The XRControllerModelFactory will automatically fetch controller models
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// that match what the user is holding as closely as possible. The models
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// should be attached to the object returned from getControllerGrip in
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// order to match the orientation of the held device.
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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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window.addEventListener( 'resize', onWindowResize );
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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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function handleController( controller ) {
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if ( controller.userData.isSelecting ) {
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const object = room.children[ count ++ ];
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object.position.copy( controller.position );
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object.userData.velocity.x = ( Math.random() - 0.5 ) * 3;
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object.userData.velocity.y = ( Math.random() - 0.5 ) * 3;
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object.userData.velocity.z = ( Math.random() - 9 );
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object.userData.velocity.applyQuaternion( controller.quaternion );
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if ( count === room.children.length ) count = 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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handleController( controller1 );
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handleController( controller2 );
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//
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const delta = clock.getDelta() * 0.8; // slow down simulation
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const range = 3 - radius;
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for ( let i = 0; i < room.children.length; i ++ ) {
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const object = room.children[ i ];
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object.position.x += object.userData.velocity.x * delta;
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object.position.y += object.userData.velocity.y * delta;
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object.position.z += object.userData.velocity.z * delta;
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// keep objects inside room
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if ( object.position.x < - range || object.position.x > range ) {
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object.position.x = THREE.MathUtils.clamp( object.position.x, - range, range );
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object.userData.velocity.x = - object.userData.velocity.x;
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}
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if ( object.position.y < radius || object.position.y > 6 ) {
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object.position.y = Math.max( object.position.y, radius );
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object.userData.velocity.x *= 0.98;
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object.userData.velocity.y = - object.userData.velocity.y * 0.8;
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object.userData.velocity.z *= 0.98;
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}
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if ( object.position.z < - range || object.position.z > range ) {
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object.position.z = THREE.MathUtils.clamp( object.position.z, - range, range );
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object.userData.velocity.z = - object.userData.velocity.z;
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}
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for ( let j = i + 1; j < room.children.length; j ++ ) {
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const object2 = room.children[ j ];
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normal.copy( object.position ).sub( object2.position );
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const distance = normal.length();
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if ( distance < 2 * radius ) {
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normal.multiplyScalar( 0.5 * distance - radius );
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object.position.sub( normal );
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object2.position.add( normal );
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normal.normalize();
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relativeVelocity.copy( object.userData.velocity ).sub( object2.userData.velocity );
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normal = normal.multiplyScalar( relativeVelocity.dot( normal ) );
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object.userData.velocity.sub( normal );
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object2.userData.velocity.add( normal );
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}
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}
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object.userData.velocity.y -= 9.8 * 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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