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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>
<!-- Import maps polyfill -->
<!-- Remove this when import maps will be widely supported -->
<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
<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();
animate();
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: 0x222222 } );
const floor = new THREE.Mesh( floorGeometry, floorMaterial );
floor.rotation.x = - Math.PI / 2;
floor.receiveShadow = true;
scene.add( floor );
scene.add( new THREE.HemisphereLight( 0x808080, 0x606060 ) );
const light = new THREE.DirectionalLight( 0xffffff );
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.outputEncoding = THREE.sRGBEncoding;
renderer.shadowMap.enabled = true;
renderer.xr.enabled = true;
container.appendChild( renderer.domElement );
document.body.appendChild( VRButton.createButton( renderer ) );
// 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() {
renderer.setAnimationLoop( render );
}
function render() {
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>