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