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<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js vr - 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> vr - sculpt
</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 { MarchingCubes } from 'three/addons/objects/MarchingCubes.js';
import { VRButton } from 'three/addons/webxr/VRButton.js';
let container;
let camera, scene, renderer;
let controller1, controller2;
let controls, blob;
let points = [];
init();
initBlob();
animate();
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 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 );
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.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;
}
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 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 initBlob() {
/*
let path = "textures/cube/SwedishRoyalCastle/";
let format = '.jpg';
let urls = [
path + 'px' + format, path + 'nx' + format,
path + 'py' + format, path + 'ny' + format,
path + 'pz' + format, path + 'nz' + format
];
let reflectionCube = new 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 animate() {
renderer.setAnimationLoop( render );
}
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 );
}
}
function render() {
handleController( controller1 );
handleController( controller2 );
updateBlob();
renderer.render( scene, camera );
}
</script>
</body>
</html>