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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <title>three.js xr - sculpt</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> xr - sculpt
- </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 { MarchingCubes } from 'three/addons/objects/MarchingCubes.js';
- import { XRButton } from 'three/addons/webxr/XRButton.js';
- let container;
- let camera, scene, renderer;
- let controller1, controller2;
- let controls, blob;
- let points = [];
- init();
- initBlob();
- function init() {
- 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 grid = new THREE.GridHelper( 4, 1, 0x111111, 0x111111 );
- scene.add( grid );
- scene.add( new THREE.HemisphereLight( 0x888877, 0x777788, 3 ) );
- const light = new THREE.DirectionalLight( 0xffffff, 3 );
- light.position.set( 0, 6, 0 );
- scene.add( light );
- //
- renderer = new THREE.WebGLRenderer( { antialias: true } );
- renderer.setPixelRatio( window.devicePixelRatio );
- renderer.setSize( window.innerWidth, window.innerHeight );
- renderer.setAnimationLoop( animate );
- renderer.xr.enabled = true;
- container.appendChild( renderer.domElement );
- document.body.appendChild( XRButton.createButton( renderer ) );
- // controllers
- function onSelectStart() {
- this.userData.isSelecting = true;
- }
- function onSelectEnd() {
- this.userData.isSelecting = false;
- }
- controller1 = renderer.xr.getController( 0 );
- controller1.addEventListener( 'selectstart', onSelectStart );
- controller1.addEventListener( 'selectend', onSelectEnd );
- controller1.userData.id = 0;
- scene.add( controller1 );
- controller2 = renderer.xr.getController( 1 );
- controller2.addEventListener( 'selectstart', onSelectStart );
- controller2.addEventListener( 'selectend', onSelectEnd );
- controller2.userData.id = 1;
- scene.add( controller2 );
- //
- const pivot = new THREE.Mesh( new THREE.IcosahedronGeometry( 0.01, 3 ) );
- pivot.name = 'pivot';
- pivot.position.z = - 0.05;
- const group = new THREE.Group();
- group.add( pivot );
- controller1.add( group.clone() );
- controller2.add( group.clone() );
- //
- window.addEventListener( 'resize', onWindowResize );
- }
- function initBlob() {
- /*
- const path = 'textures/cube/SwedishRoyalCastle/';
- const format = '.jpg';
- const urls = [
- path + 'px' + format, path + 'nx' + format,
- path + 'py' + format, path + 'ny' + format,
- path + 'pz' + format, path + 'nz' + format
- ];
- const reflectionCube = new THREE.CubeTextureLoader().load( urls );
- */
- const material = new THREE.MeshStandardMaterial( {
- color: 0xffffff,
- // envMap: reflectionCube,
- roughness: 0.9,
- metalness: 0.0,
- transparent: true
- } );
- blob = new MarchingCubes( 64, material, false, false, 500000 );
- blob.position.y = 1;
- scene.add( blob );
- initPoints();
- }
- function initPoints() {
- points = [
- { position: new THREE.Vector3(), strength: 0.04, subtract: 10 },
- { position: new THREE.Vector3(), strength: - 0.08, subtract: 10 }
- ];
- }
- function onWindowResize() {
- camera.aspect = window.innerWidth / window.innerHeight;
- camera.updateProjectionMatrix();
- renderer.setSize( window.innerWidth, window.innerHeight );
- }
- //
- function transformPoint( vector ) {
- vector.x = ( vector.x + 1.0 ) / 2.0;
- vector.y = ( vector.y / 2.0 );
- vector.z = ( vector.z + 1.0 ) / 2.0;
- }
- function handleController( controller ) {
- const pivot = controller.getObjectByName( 'pivot' );
- if ( pivot ) {
- const id = controller.userData.id;
- const matrix = pivot.matrixWorld;
- points[ id ].position.setFromMatrixPosition( matrix );
- transformPoint( points[ id ].position );
- if ( controller.userData.isSelecting ) {
- const strength = points[ id ].strength / 2;
- const vector = new THREE.Vector3().setFromMatrixPosition( matrix );
- transformPoint( vector );
- points.push( { position: vector, strength: strength, subtract: 10 } );
- }
- }
- }
- function updateBlob() {
- blob.reset();
- for ( let i = 0; i < points.length; i ++ ) {
- const point = points[ i ];
- const position = point.position;
- blob.addBall( position.x, position.y, position.z, point.strength, point.subtract );
- }
- blob.update();
- }
- function animate() {
- handleController( controller1 );
- handleController( controller2 );
- updateBlob();
- renderer.render( scene, camera );
- }
- </script>
- </body>
- </html>
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