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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <title>three.js xr - ball shooter</title>
- <meta charset="utf-8">
- <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
- <link type="text/css" rel="stylesheet" href="main.css">
- </head>
- <body>
- <div id="info">
- <a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> xr - ball shooter
- </div>
- <script type="importmap">
- {
- "imports": {
- "three": "../build/three.module.js",
- "three/addons/": "./jsm/"
- }
- }
- </script>
- <script type="module">
- import * as THREE from 'three';
- import { BoxLineGeometry } from 'three/addons/geometries/BoxLineGeometry.js';
- import { XRButton } from 'three/addons/webxr/XRButton.js';
- import { XRControllerModelFactory } from 'three/addons/webxr/XRControllerModelFactory.js';
- import { RapierPhysics } from 'three/addons/physics/RapierPhysics.js';
- import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
- let camera, scene, renderer;
- let controller1, controller2;
- let controllerGrip1, controllerGrip2;
- let room, spheres, physics;
- const velocity = new THREE.Vector3();
- let count = 0;
- init();
- await initPhysics();
- function init() {
- scene = new THREE.Scene();
- scene.background = new THREE.Color( 0x505050 );
- camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.1, 50 );
- camera.position.set( 0, 1.6, 3 );
- room = new THREE.LineSegments(
- new BoxLineGeometry( 6, 6, 6, 10, 10, 10 ),
- new THREE.LineBasicMaterial( { color: 0x808080 } )
- );
- room.geometry.translate( 0, 3, 0 );
- scene.add( room );
- scene.add( new THREE.HemisphereLight( 0xbbbbbb, 0x888888, 3 ) );
- const light = new THREE.DirectionalLight( 0xffffff, 3 );
- light.position.set( 1, 1, 1 ).normalize();
- scene.add( light );
- //
- renderer = new THREE.WebGLRenderer( { antialias: true } );
- renderer.setPixelRatio( window.devicePixelRatio );
- renderer.setSize( window.innerWidth, window.innerHeight );
- renderer.setAnimationLoop( animate );
- renderer.xr.enabled = true;
- document.body.appendChild( renderer.domElement );
- //
- const controls = new OrbitControls( camera, renderer.domElement );
- controls.maxDistance = 10;
- controls.target.y = 1.6;
- controls.update();
- document.body.appendChild( XRButton.createButton( renderer, {
- 'optionalFeatures': [ 'depth-sensing' ],
- 'depthSensing': { 'usagePreference': [ 'gpu-optimized' ], 'dataFormatPreference': [] }
- } ) );
- // controllers
- function onSelectStart() {
- this.userData.isSelecting = true;
- }
- function onSelectEnd() {
- this.userData.isSelecting = false;
- }
- controller1 = renderer.xr.getController( 0 );
- controller1.addEventListener( 'selectstart', onSelectStart );
- controller1.addEventListener( 'selectend', onSelectEnd );
- controller1.addEventListener( 'connected', function ( event ) {
- this.add( buildController( event.data ) );
- } );
- controller1.addEventListener( 'disconnected', function () {
- this.remove( this.children[ 0 ] );
- } );
- scene.add( controller1 );
- controller2 = renderer.xr.getController( 1 );
- controller2.addEventListener( 'selectstart', onSelectStart );
- controller2.addEventListener( 'selectend', onSelectEnd );
- controller2.addEventListener( 'connected', function ( event ) {
- this.add( buildController( event.data ) );
- } );
- controller2.addEventListener( 'disconnected', function () {
- this.remove( this.children[ 0 ] );
- } );
- scene.add( controller2 );
- // The XRControllerModelFactory will automatically fetch controller models
- // that match what the user is holding as closely as possible. The models
- // should be attached to the object returned from getControllerGrip in
- // order to match the orientation of the held device.
- const controllerModelFactory = new XRControllerModelFactory();
- controllerGrip1 = renderer.xr.getControllerGrip( 0 );
- controllerGrip1.add( controllerModelFactory.createControllerModel( controllerGrip1 ) );
- scene.add( controllerGrip1 );
- controllerGrip2 = renderer.xr.getControllerGrip( 1 );
- controllerGrip2.add( controllerModelFactory.createControllerModel( controllerGrip2 ) );
- scene.add( controllerGrip2 );
- //
- window.addEventListener( 'resize', onWindowResize );
- }
- function buildController( data ) {
- let geometry, material;
- switch ( data.targetRayMode ) {
- case 'tracked-pointer':
- geometry = new THREE.BufferGeometry();
- geometry.setAttribute( 'position', new THREE.Float32BufferAttribute( [ 0, 0, 0, 0, 0, - 1 ], 3 ) );
- geometry.setAttribute( 'color', new THREE.Float32BufferAttribute( [ 0.5, 0.5, 0.5, 0, 0, 0 ], 3 ) );
- material = new THREE.LineBasicMaterial( { vertexColors: true, blending: THREE.AdditiveBlending } );
- return new THREE.Line( geometry, material );
- case 'gaze':
- geometry = new THREE.RingGeometry( 0.02, 0.04, 32 ).translate( 0, 0, - 1 );
- material = new THREE.MeshBasicMaterial( { opacity: 0.5, transparent: true } );
- return new THREE.Mesh( geometry, material );
- }
- }
- function onWindowResize() {
- camera.aspect = window.innerWidth / window.innerHeight;
- camera.updateProjectionMatrix();
- renderer.setSize( window.innerWidth, window.innerHeight );
- }
- async function initPhysics() {
- physics = await RapierPhysics();
- {
- // Floor
- const geometry = new THREE.BoxGeometry( 6, 2, 6 );
- const material = new THREE.MeshNormalMaterial( { visible: false } );
- const floor = new THREE.Mesh( geometry, material );
- floor.position.y = - 1;
- floor.userData.physics = { mass: 0 };
- scene.add( floor );
- // Walls
- const wallPX = new THREE.Mesh( geometry, material );
- wallPX.position.set( 4, 3, 0 );
- wallPX.rotation.z = Math.PI / 2;
- wallPX.userData.physics = { mass: 0 };
- scene.add( wallPX );
- const wallNX = new THREE.Mesh( geometry, material );
- wallNX.position.set( - 4, 3, 0 );
- wallNX.rotation.z = Math.PI / 2;
- wallNX.userData.physics = { mass: 0 };
- scene.add( wallNX );
- const wallPZ = new THREE.Mesh( geometry, material );
- wallPZ.position.set( 0, 3, 4 );
- wallPZ.rotation.x = Math.PI / 2;
- wallPZ.userData.physics = { mass: 0 };
- scene.add( wallPZ );
- const wallNZ = new THREE.Mesh( geometry, material );
- wallNZ.position.set( 0, 3, - 4 );
- wallNZ.rotation.x = Math.PI / 2;
- wallNZ.userData.physics = { mass: 0 };
- scene.add( wallNZ );
- }
- // Spheres
- const geometry = new THREE.IcosahedronGeometry( 0.08, 3 );
- const material = new THREE.MeshLambertMaterial();
- spheres = new THREE.InstancedMesh( geometry, material, 800 );
- spheres.instanceMatrix.setUsage( THREE.DynamicDrawUsage ); // will be updated every frame
- spheres.userData.physics = { mass: 1, restitution: 1.1 };
- scene.add( spheres );
- const matrix = new THREE.Matrix4();
- const color = new THREE.Color();
- for ( let i = 0; i < spheres.count; i ++ ) {
- const x = Math.random() * 4 - 2;
- const y = Math.random() * 4;
- const z = Math.random() * 4 - 2;
- matrix.setPosition( x, y, z );
- spheres.setMatrixAt( i, matrix );
- spheres.setColorAt( i, color.setHex( 0xffffff * Math.random() ) );
- }
- physics.addScene( scene );
- }
- //
- function handleController( controller ) {
- if ( controller.userData.isSelecting ) {
- physics.setMeshPosition( spheres, controller.position, count );
- velocity.x = ( Math.random() - 0.5 ) * 2;
- velocity.y = ( Math.random() - 0.5 ) * 2;
- velocity.z = ( Math.random() - 9 );
- velocity.applyQuaternion( controller.quaternion );
- physics.setMeshVelocity( spheres, velocity, count );
- if ( ++ count === spheres.count ) count = 0;
- }
- }
- function animate() {
- handleController( controller1 );
- handleController( controller2 );
- renderer.render( scene, camera );
- }
- </script>
- </body>
- </html>
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