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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <title>three.js vr - handinput - cubes</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> vr - handinput - cubes<br/>
- (Oculus Browser 15.1+)
- </div>
- <script type="importmap">
- {
- "imports": {
- "three": "../build/three.module.js",
- "three/addons/": "./jsm/"
- }
- }
- </script>
- <script type="module">
- import * as THREE from 'three';
- import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
- import { VRButton } from 'three/addons/webxr/VRButton.js';
- import { XRControllerModelFactory } from 'three/addons/webxr/XRControllerModelFactory.js';
- import { XRHandModelFactory } from 'three/addons/webxr/XRHandModelFactory.js';
- let container;
- let camera, scene, renderer;
- let hand1, hand2;
- let controller1, controller2;
- let controllerGrip1, controllerGrip2;
- const tmpVector1 = new THREE.Vector3();
- const tmpVector2 = new THREE.Vector3();
- let controls;
- let grabbing = false;
- const scaling = {
- active: false,
- initialDistance: 0,
- object: null,
- initialScale: 1
- };
- const spheres = [];
- init();
- function init() {
- container = document.createElement( 'div' );
- document.body.appendChild( container );
- scene = new THREE.Scene();
- scene.background = new THREE.Color( 0x444444 );
- camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.1, 10 );
- camera.position.set( 0, 1.6, 3 );
- controls = new OrbitControls( camera, container );
- controls.target.set( 0, 1.6, 0 );
- controls.update();
- const floorGeometry = new THREE.PlaneGeometry( 4, 4 );
- const floorMaterial = new THREE.MeshStandardMaterial( { color: 0x666666 } );
- const floor = new THREE.Mesh( floorGeometry, floorMaterial );
- floor.rotation.x = - Math.PI / 2;
- floor.receiveShadow = true;
- scene.add( floor );
- scene.add( new THREE.HemisphereLight( 0xbcbcbc, 0xa5a5a5, 3 ) );
- const light = new THREE.DirectionalLight( 0xffffff, 3 );
- light.position.set( 0, 6, 0 );
- light.castShadow = true;
- light.shadow.camera.top = 2;
- light.shadow.camera.bottom = - 2;
- light.shadow.camera.right = 2;
- light.shadow.camera.left = - 2;
- light.shadow.mapSize.set( 4096, 4096 );
- scene.add( light );
- //
- renderer = new THREE.WebGLRenderer( { antialias: true } );
- renderer.setPixelRatio( window.devicePixelRatio );
- renderer.setSize( window.innerWidth, window.innerHeight );
- renderer.setAnimationLoop( animate );
- renderer.shadowMap.enabled = true;
- renderer.xr.enabled = true;
- container.appendChild( renderer.domElement );
- const sessionInit = {
- requiredFeatures: [ 'hand-tracking' ]
- };
- document.body.appendChild( VRButton.createButton( renderer, sessionInit ) );
- // controllers
- controller1 = renderer.xr.getController( 0 );
- scene.add( controller1 );
- controller2 = renderer.xr.getController( 1 );
- scene.add( controller2 );
- const controllerModelFactory = new XRControllerModelFactory();
- const handModelFactory = new XRHandModelFactory();
- // Hand 1
- controllerGrip1 = renderer.xr.getControllerGrip( 0 );
- controllerGrip1.add( controllerModelFactory.createControllerModel( controllerGrip1 ) );
- scene.add( controllerGrip1 );
- hand1 = renderer.xr.getHand( 0 );
- hand1.addEventListener( 'pinchstart', onPinchStartLeft );
- hand1.addEventListener( 'pinchend', () => {
- scaling.active = false;
- } );
- hand1.add( handModelFactory.createHandModel( hand1 ) );
- scene.add( hand1 );
- // Hand 2
- controllerGrip2 = renderer.xr.getControllerGrip( 1 );
- controllerGrip2.add( controllerModelFactory.createControllerModel( controllerGrip2 ) );
- scene.add( controllerGrip2 );
- hand2 = renderer.xr.getHand( 1 );
- hand2.addEventListener( 'pinchstart', onPinchStartRight );
- hand2.addEventListener( 'pinchend', onPinchEndRight );
- hand2.add( handModelFactory.createHandModel( hand2 ) );
- scene.add( hand2 );
- //
- const geometry = new THREE.BufferGeometry().setFromPoints( [ new THREE.Vector3( 0, 0, 0 ), new THREE.Vector3( 0, 0, - 1 ) ] );
- const line = new THREE.Line( geometry );
- line.name = 'line';
- line.scale.z = 5;
- controller1.add( line.clone() );
- controller2.add( line.clone() );
- //
- window.addEventListener( 'resize', onWindowResize );
- }
- function onWindowResize() {
- camera.aspect = window.innerWidth / window.innerHeight;
- camera.updateProjectionMatrix();
- renderer.setSize( window.innerWidth, window.innerHeight );
- }
- const SphereRadius = 0.05;
- function onPinchStartLeft( event ) {
- const controller = event.target;
- if ( grabbing ) {
- const indexTip = controller.joints[ 'index-finger-tip' ];
- const sphere = collideObject( indexTip );
- if ( sphere ) {
- const sphere2 = hand2.userData.selected;
- console.log( 'sphere1', sphere, 'sphere2', sphere2 );
- if ( sphere === sphere2 ) {
- scaling.active = true;
- scaling.object = sphere;
- scaling.initialScale = sphere.scale.x;
- scaling.initialDistance = indexTip.position.distanceTo( hand2.joints[ 'index-finger-tip' ].position );
- return;
- }
- }
- }
- const geometry = new THREE.BoxGeometry( SphereRadius, SphereRadius, SphereRadius );
- const material = new THREE.MeshStandardMaterial( {
- color: Math.random() * 0xffffff,
- roughness: 1.0,
- metalness: 0.0
- } );
- const spawn = new THREE.Mesh( geometry, material );
- spawn.geometry.computeBoundingSphere();
- const indexTip = controller.joints[ 'index-finger-tip' ];
- spawn.position.copy( indexTip.position );
- spawn.quaternion.copy( indexTip.quaternion );
- spheres.push( spawn );
- scene.add( spawn );
- }
- function collideObject( indexTip ) {
- for ( let i = 0; i < spheres.length; i ++ ) {
- const sphere = spheres[ i ];
- const distance = indexTip.getWorldPosition( tmpVector1 ).distanceTo( sphere.getWorldPosition( tmpVector2 ) );
- if ( distance < sphere.geometry.boundingSphere.radius * sphere.scale.x ) {
- return sphere;
- }
- }
- return null;
- }
- function onPinchStartRight( event ) {
- const controller = event.target;
- const indexTip = controller.joints[ 'index-finger-tip' ];
- const object = collideObject( indexTip );
- if ( object ) {
- grabbing = true;
- indexTip.attach( object );
- controller.userData.selected = object;
- console.log( 'Selected', object );
- }
- }
- function onPinchEndRight( event ) {
- const controller = event.target;
- if ( controller.userData.selected !== undefined ) {
- const object = controller.userData.selected;
- object.material.emissive.b = 0;
- scene.attach( object );
- controller.userData.selected = undefined;
- grabbing = false;
- }
- scaling.active = false;
- }
- //
- function animate() {
- if ( scaling.active ) {
- const indexTip1Pos = hand1.joints[ 'index-finger-tip' ].position;
- const indexTip2Pos = hand2.joints[ 'index-finger-tip' ].position;
- const distance = indexTip1Pos.distanceTo( indexTip2Pos );
- const newScale = scaling.initialScale + distance / scaling.initialDistance - 1;
- scaling.object.scale.setScalar( newScale );
- }
- renderer.render( scene, camera );
- }
- </script>
- </body>
- </html>
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