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<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js vr - paint</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 - paint
</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 { TubePainter } from 'three/addons/misc/TubePainter.js';
import { VRButton } from 'three/addons/webxr/VRButton.js';
let camera, scene, renderer;
let controller1, controller2;
const cursor = new THREE.Vector3();
let controls;
init();
animate();
function init() {
const container = document.createElement( 'div' );
document.body.appendChild( container );
scene = new THREE.Scene();
scene.background = new THREE.Color( 0x222222 );
camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.01, 50 );
camera.position.set( 0, 1.6, 3 );
controls = new OrbitControls( camera, container );
controls.target.set( 0, 1.6, 0 );
controls.update();
const tableGeometry = new THREE.BoxGeometry( 0.5, 0.8, 0.5 );
const tableMaterial = new THREE.MeshStandardMaterial( {
color: 0x444444,
roughness: 1.0,
metalness: 0.0
} );
const table = new THREE.Mesh( tableGeometry, tableMaterial );
table.position.y = 0.35;
table.position.z = 0.85;
scene.add( table );
const floorGometry = new THREE.PlaneGeometry( 4, 4 );
const floorMaterial = new THREE.MeshStandardMaterial( {
color: 0x222222,
roughness: 1.0,
metalness: 0.0
} );
const floor = new THREE.Mesh( floorGometry, floorMaterial );
floor.rotation.x = - Math.PI / 2;
scene.add( floor );
const grid = new THREE.GridHelper( 10, 20, 0x111111, 0x111111 );
// grid.material.depthTest = false; // avoid z-fighting
scene.add( grid );
scene.add( new THREE.HemisphereLight( 0x888877, 0x777788 ) );
const light = new THREE.DirectionalLight( 0xffffff, 0.5 );
light.position.set( 0, 4, 0 );
scene.add( light );
//
const painter1 = new TubePainter();
scene.add( painter1.mesh );
const painter2 = new TubePainter();
scene.add( painter2.mesh );
//
renderer = new THREE.WebGLRenderer( { antialias: true } );
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.outputEncoding = THREE.sRGBEncoding;
renderer.xr.enabled = true;
container.appendChild( renderer.domElement );
document.body.appendChild( VRButton.createButton( renderer ) );
// controllers
function onSelectStart() {
this.userData.isSelecting = true;
}
function onSelectEnd() {
this.userData.isSelecting = false;
}
function onSqueezeStart() {
this.userData.isSqueezing = true;
this.userData.positionAtSqueezeStart = this.position.y;
this.userData.scaleAtSqueezeStart = this.scale.x;
}
function onSqueezeEnd() {
this.userData.isSqueezing = false;
}
controller1 = renderer.xr.getController( 0 );
controller1.addEventListener( 'selectstart', onSelectStart );
controller1.addEventListener( 'selectend', onSelectEnd );
controller1.addEventListener( 'squeezestart', onSqueezeStart );
controller1.addEventListener( 'squeezeend', onSqueezeEnd );
controller1.userData.painter = painter1;
scene.add( controller1 );
controller2 = renderer.xr.getController( 1 );
controller2.addEventListener( 'selectstart', onSelectStart );
controller2.addEventListener( 'selectend', onSelectEnd );
controller2.addEventListener( 'squeezestart', onSqueezeStart );
controller2.addEventListener( 'squeezeend', onSqueezeEnd );
controller2.userData.painter = painter2;
scene.add( controller2 );
//
const geometry = new THREE.CylinderGeometry( 0.01, 0.02, 0.08, 5 );
geometry.rotateX( - Math.PI / 2 );
const material = new THREE.MeshStandardMaterial( { flatShading: true } );
const mesh = new THREE.Mesh( geometry, material );
const pivot = new THREE.Mesh( new THREE.IcosahedronGeometry( 0.01, 3 ) );
pivot.name = 'pivot';
pivot.position.z = - 0.05;
mesh.add( pivot );
controller1.add( mesh.clone() );
controller2.add( mesh.clone() );
//
window.addEventListener( 'resize', onWindowResize );
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
//
function handleController( controller ) {
const userData = controller.userData;
const painter = userData.painter;
const pivot = controller.getObjectByName( 'pivot' );
if ( userData.isSqueezing === true ) {
const delta = ( controller.position.y - userData.positionAtSqueezeStart ) * 5;
const scale = Math.max( 0.1, userData.scaleAtSqueezeStart + delta );
pivot.scale.setScalar( scale );
painter.setSize( scale );
}
cursor.setFromMatrixPosition( pivot.matrixWorld );
if ( userData.isSelecting === true ) {
painter.lineTo( cursor );
painter.update();
} else {
painter.moveTo( cursor );
}
}
function animate() {
renderer.setAnimationLoop( render );
}
function render() {
handleController( controller1 );
handleController( controller2 );
renderer.render( scene, camera );
}
</script>
</body>
</html>