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158 lines
3.3 KiB
158 lines
3.3 KiB
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js ar - 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> ar - paint<br/>(Chrome Android 81+)
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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 { TubePainter } from 'three/addons/misc/TubePainter.js';
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import { ARButton } from 'three/addons/webxr/ARButton.js';
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let container;
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let camera, scene, renderer;
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let controller, painter;
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const cursor = new THREE.Vector3();
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init();
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animate();
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function init() {
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container = document.createElement( 'div' );
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document.body.appendChild( container );
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scene = new THREE.Scene();
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camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 0.01, 20 );
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//
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renderer = new THREE.WebGLRenderer( { antialias: true, alpha: true } );
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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renderer.xr.enabled = true;
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container.appendChild( renderer.domElement );
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//
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document.body.appendChild( ARButton.createButton( renderer ) );
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// model
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const light = new THREE.HemisphereLight( 0xffffff, 0xbbbbff, 1 );
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light.position.set( 0, 1, 0 );
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scene.add( light );
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//
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painter = new TubePainter();
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painter.setSize( 0.4 );
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painter.mesh.material.side = THREE.DoubleSide;
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scene.add( painter.mesh );
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//
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function onSelectStart() {
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this.userData.isSelecting = true;
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this.userData.skipFrames = 2;
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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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controller = renderer.xr.getController( 0 );
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controller.addEventListener( 'selectstart', onSelectStart );
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controller.addEventListener( 'selectend', onSelectEnd );
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controller.userData.skipFrames = 0;
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scene.add( controller );
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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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cursor.set( 0, 0, - 0.2 ).applyMatrix4( controller.matrixWorld );
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if ( userData.isSelecting === true ) {
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if ( userData.skipFrames >= 0 ) {
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// TODO(mrdoob) Revisit this
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userData.skipFrames --;
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painter.moveTo( cursor );
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} else {
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painter.lineTo( cursor );
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painter.update();
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}
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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( controller );
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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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