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271 lines
6.5 KiB
271 lines
6.5 KiB
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js vr - sculpt</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 - sculpt
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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 { MarchingCubes } from 'three/addons/objects/MarchingCubes.js';
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import { VRButton } from 'three/addons/webxr/VRButton.js';
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let container;
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let camera, scene, renderer;
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let controller1, controller2;
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let controls, blob;
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let points = [];
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init();
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initBlob();
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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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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 );
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light.position.set( 0, 6, 0 );
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scene.add( light );
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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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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.userData.id = 0;
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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.userData.id = 1;
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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 initBlob() {
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/*
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let path = "textures/cube/SwedishRoyalCastle/";
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let format = '.jpg';
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let urls = [
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path + 'px' + format, path + 'nx' + format,
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path + 'py' + format, path + 'ny' + format,
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path + 'pz' + format, path + 'nz' + format
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];
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let reflectionCube = new CubeTextureLoader().load( urls );
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*/
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const material = new THREE.MeshStandardMaterial( {
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color: 0xffffff,
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// envMap: reflectionCube,
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roughness: 0.9,
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metalness: 0.0,
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transparent: true
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} );
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blob = new MarchingCubes( 64, material, false, false, 500000 );
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blob.position.y = 1;
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scene.add( blob );
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initPoints();
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}
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function initPoints() {
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points = [
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{ position: new THREE.Vector3(), strength: 0.04, subtract: 10 },
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{ position: new THREE.Vector3(), strength: - 0.08, subtract: 10 }
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];
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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 animate() {
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renderer.setAnimationLoop( render );
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}
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function transformPoint( vector ) {
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vector.x = ( vector.x + 1.0 ) / 2.0;
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vector.y = ( vector.y / 2.0 );
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vector.z = ( vector.z + 1.0 ) / 2.0;
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}
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function handleController( controller ) {
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const pivot = controller.getObjectByName( 'pivot' );
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if ( pivot ) {
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const id = controller.userData.id;
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const matrix = pivot.matrixWorld;
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points[ id ].position.setFromMatrixPosition( matrix );
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transformPoint( points[ id ].position );
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if ( controller.userData.isSelecting ) {
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const strength = points[ id ].strength / 2;
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const vector = new THREE.Vector3().setFromMatrixPosition( matrix );
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transformPoint( vector );
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points.push( { position: vector, strength: strength, subtract: 10 } );
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}
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}
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}
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function updateBlob() {
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blob.reset();
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for ( let i = 0; i < points.length; i ++ ) {
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const point = points[ i ];
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const position = point.position;
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blob.addBall( position.x, position.y, position.z, point.strength, point.subtract );
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}
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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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updateBlob();
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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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