You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
218 lines
5.1 KiB
218 lines
5.1 KiB
3 years ago
|
<!DOCTYPE html>
|
||
|
|
<html lang="en">
|
||
|
|
<head>
|
||
|
|
<title>three.js webgl - box selection</title>
|
||
|
|
<meta charset="utf-8">
|
||
|
|
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
|
||
|
|
<link type="text/css" rel="stylesheet" href="main.css">
|
||
|
|
<style>
|
||
|
|
body {
|
||
|
|
background-color: #f0f0f0;
|
||
|
|
color: #000;
|
||
|
|
touch-action: none;
|
||
|
|
}
|
||
|
|
|
||
|
|
a {
|
||
|
|
color: #08e;
|
||
|
|
}
|
||
|
|
|
||
|
|
.selectBox {
|
||
|
|
border: 1px solid #55aaff;
|
||
|
|
background-color: rgba(75, 160, 255, 0.3);
|
||
|
|
position: fixed;
|
||
|
|
}
|
||
|
|
</style>
|
||
|
|
</head>
|
||
|
|
<body>
|
||
|
|
|
||
|
|
<div id="info">
|
||
|
|
<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> webgl - box selection
|
||
|
|
</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 Stats from 'three/addons/libs/stats.module.js';
|
||
|
|
|
||
|
|
import { SelectionBox } from 'three/addons/interactive/SelectionBox.js';
|
||
|
|
import { SelectionHelper } from 'three/addons/interactive/SelectionHelper.js';
|
||
|
|
|
||
|
|
let container, stats;
|
||
|
|
let camera, scene, renderer;
|
||
|
|
|
||
|
|
init();
|
||
|
|
animate();
|
||
|
|
|
||
|
|
function init() {
|
||
|
|
|
||
|
|
container = document.createElement( 'div' );
|
||
|
|
document.body.appendChild( container );
|
||
|
|
|
||
|
|
camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 5000 );
|
||
|
|
camera.position.z = 1000;
|
||
|
|
|
||
|
|
scene = new THREE.Scene();
|
||
|
|
scene.background = new THREE.Color( 0xf0f0f0 );
|
||
|
|
|
||
|
|
scene.add( new THREE.AmbientLight( 0x505050 ) );
|
||
|
|
|
||
|
|
const light = new THREE.SpotLight( 0xffffff, 1.5 );
|
||
|
|
light.position.set( 0, 500, 2000 );
|
||
|
|
light.angle = Math.PI / 9;
|
||
|
|
|
||
|
|
light.castShadow = true;
|
||
|
|
light.shadow.camera.near = 1000;
|
||
|
|
light.shadow.camera.far = 4000;
|
||
|
|
light.shadow.mapSize.width = 1024;
|
||
|
|
light.shadow.mapSize.height = 1024;
|
||
|
|
|
||
|
|
scene.add( light );
|
||
|
|
|
||
|
|
const geometry = new THREE.BoxGeometry( 20, 20, 20 );
|
||
|
|
|
||
|
|
for ( let i = 0; i < 200; i ++ ) {
|
||
|
|
|
||
|
|
const object = new THREE.Mesh( geometry, new THREE.MeshLambertMaterial( { color: Math.random() * 0xffffff } ) );
|
||
|
|
|
||
|
|
object.position.x = Math.random() * 1600 - 800;
|
||
|
|
object.position.y = Math.random() * 900 - 450;
|
||
|
|
object.position.z = Math.random() * 900 - 500;
|
||
|
|
|
||
|
|
object.rotation.x = Math.random() * 2 * Math.PI;
|
||
|
|
object.rotation.y = Math.random() * 2 * Math.PI;
|
||
|
|
object.rotation.z = Math.random() * 2 * Math.PI;
|
||
|
|
|
||
|
|
object.scale.x = Math.random() * 2 + 1;
|
||
|
|
object.scale.y = Math.random() * 2 + 1;
|
||
|
|
object.scale.z = Math.random() * 2 + 1;
|
||
|
|
|
||
|
|
object.castShadow = true;
|
||
|
|
object.receiveShadow = true;
|
||
|
|
|
||
|
|
scene.add( object );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
renderer = new THREE.WebGLRenderer( { antialias: true } );
|
||
|
|
renderer.setPixelRatio( window.devicePixelRatio );
|
||
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
||
|
|
|
||
|
|
renderer.shadowMap.enabled = true;
|
||
|
|
renderer.shadowMap.type = THREE.PCFShadowMap;
|
||
|
|
|
||
|
|
container.appendChild( renderer.domElement );
|
||
|
|
|
||
|
|
stats = new Stats();
|
||
|
|
container.appendChild( stats.dom );
|
||
|
|
|
||
|
|
window.addEventListener( 'resize', onWindowResize );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function onWindowResize() {
|
||
|
|
|
||
|
|
camera.aspect = window.innerWidth / window.innerHeight;
|
||
|
|
camera.updateProjectionMatrix();
|
||
|
|
|
||
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
|
||
|
|
function animate() {
|
||
|
|
|
||
|
|
requestAnimationFrame( animate );
|
||
|
|
|
||
|
|
render();
|
||
|
|
stats.update();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function render() {
|
||
|
|
|
||
|
|
renderer.render( scene, camera );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
const selectionBox = new SelectionBox( camera, scene );
|
||
|
|
const helper = new SelectionHelper( renderer, 'selectBox' );
|
||
|
|
|
||
|
|
document.addEventListener( 'pointerdown', function ( event ) {
|
||
|
|
|
||
|
|
for ( const item of selectionBox.collection ) {
|
||
|
|
|
||
|
|
item.material.emissive.set( 0x000000 );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
selectionBox.startPoint.set(
|
||
|
|
( event.clientX / window.innerWidth ) * 2 - 1,
|
||
|
|
- ( event.clientY / window.innerHeight ) * 2 + 1,
|
||
|
|
0.5 );
|
||
|
|
|
||
|
|
} );
|
||
|
|
|
||
|
|
document.addEventListener( 'pointermove', function ( event ) {
|
||
|
|
|
||
|
|
if ( helper.isDown ) {
|
||
|
|
|
||
|
|
for ( let i = 0; i < selectionBox.collection.length; i ++ ) {
|
||
|
|
|
||
|
|
selectionBox.collection[ i ].material.emissive.set( 0x000000 );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
selectionBox.endPoint.set(
|
||
|
|
( event.clientX / window.innerWidth ) * 2 - 1,
|
||
|
|
- ( event.clientY / window.innerHeight ) * 2 + 1,
|
||
|
|
0.5 );
|
||
|
|
|
||
|
|
const allSelected = selectionBox.select();
|
||
|
|
|
||
|
|
for ( let i = 0; i < allSelected.length; i ++ ) {
|
||
|
|
|
||
|
|
allSelected[ i ].material.emissive.set( 0xffffff );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
} );
|
||
|
|
|
||
|
|
document.addEventListener( 'pointerup', function ( event ) {
|
||
|
|
|
||
|
|
selectionBox.endPoint.set(
|
||
|
|
( event.clientX / window.innerWidth ) * 2 - 1,
|
||
|
|
- ( event.clientY / window.innerHeight ) * 2 + 1,
|
||
|
|
0.5 );
|
||
|
|
|
||
|
|
const allSelected = selectionBox.select();
|
||
|
|
|
||
|
|
for ( let i = 0; i < allSelected.length; i ++ ) {
|
||
|
|
|
||
|
|
allSelected[ i ].material.emissive.set( 0xffffff );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
} );
|
||
|
|
|
||
|
|
</script>
|
||
|
|
|
||
|
|
</body>
|
||
|
|
</html>
|