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<!DOCTYPE html>
<html>
<head>
<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 {
color: #000;
}
a {
color: #080;
}
</style>
</head>
<body>
<div id="info"><a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> css3d - sandbox</div>
<!-- Import maps polyfill -->
<!-- Remove this when import maps will be widely supported -->
<script async src="https://unpkg.com/es-module-shims@1.8.0/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 { TrackballControls } from 'three/addons/controls/TrackballControls.js';
import { CSS3DRenderer, CSS3DObject } from 'three/addons/renderers/CSS3DRenderer.js';
import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
let camera, scene, renderer;
let scene2, renderer2;
let controls;
init();
animate();
function init() {
camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 1000 );
camera.position.set( 200, 200, 200 );
scene = new THREE.Scene();
scene.background = new THREE.Color( 0xf0f0f0 );
scene2 = new THREE.Scene();
const material = new THREE.MeshBasicMaterial( { color: 0x000000, wireframe: true, wireframeLinewidth: 1, side: THREE.DoubleSide } );
//
for ( let i = 0; i < 10; i ++ ) {
const element = document.createElement( 'div' );
element.style.width = '100px';
element.style.height = '100px';
element.style.opacity = ( i < 5 ) ? 0.5 : 1;
element.style.background = new THREE.Color( Math.random() * 0xffffff ).getStyle();
const object = new CSS3DObject( element );
object.position.x = Math.random() * 200 - 100;
object.position.y = Math.random() * 200 - 100;
object.position.z = Math.random() * 200 - 100;
object.rotation.x = Math.random();
object.rotation.y = Math.random();
object.rotation.z = Math.random();
object.scale.x = Math.random() + 0.5;
object.scale.y = Math.random() + 0.5;
scene2.add( object );
const geometry = new THREE.PlaneGeometry( 100, 100 );
const mesh = new THREE.Mesh( geometry, material );
mesh.position.copy( object.position );
mesh.rotation.copy( object.rotation );
mesh.scale.copy( object.scale );
scene.add( mesh );
}
//
renderer = new THREE.WebGLRenderer( { antialias: true } );
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
document.body.appendChild( renderer.domElement );
renderer2 = new CSS3DRenderer();
renderer2.setSize( window.innerWidth, window.innerHeight );
renderer2.domElement.style.position = 'absolute';
renderer2.domElement.style.top = 0;
document.body.appendChild( renderer2.domElement );
controls = new TrackballControls( camera, renderer2.domElement );
window.addEventListener( 'resize', onWindowResize );
createPanel();
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
renderer2.setSize( window.innerWidth, window.innerHeight );
}
function animate() {
requestAnimationFrame( animate );
controls.update();
renderer.render( scene, camera );
renderer2.render( scene2, camera );
}
function createPanel() {
const panel = new GUI();
const folder1 = panel.addFolder( 'camera setViewOffset' ).close();
const settings = {
'setViewOffset'() {
folder1.children[ 1 ].enable().setValue( window.innerWidth );
folder1.children[ 2 ].enable().setValue( window.innerHeight );
folder1.children[ 3 ].enable().setValue( 0 );
folder1.children[ 4 ].enable().setValue( 0 );
folder1.children[ 5 ].enable().setValue( window.innerWidth );
folder1.children[ 6 ].enable().setValue( window.innerHeight );
},
'fullWidth': 0,
'fullHeight': 0,
'offsetX': 0,
'offsetY': 0,
'width': 0,
'height': 0,
'clearViewOffset'() {
folder1.children[ 1 ].setValue( 0 ).disable();
folder1.children[ 2 ].setValue( 0 ).disable();
folder1.children[ 3 ].setValue( 0 ).disable();
folder1.children[ 4 ].setValue( 0 ).disable();
folder1.children[ 5 ].setValue( 0 ).disable();
folder1.children[ 6 ].setValue( 0 ).disable();
camera.clearViewOffset();
}
};
folder1.add( settings, 'setViewOffset' );
folder1.add( settings, 'fullWidth', window.screen.width / 4, window.screen.width * 2, 1 ).onChange( ( val ) => updateCameraViewOffset( { fullWidth: val } ) ).disable();
folder1.add( settings, 'fullHeight', window.screen.height / 4, window.screen.height * 2, 1 ).onChange( ( val ) => updateCameraViewOffset( { fullHeight: val } ) ).disable();
folder1.add( settings, 'offsetX', 0, 256, 1 ).onChange( ( val ) => updateCameraViewOffset( { x: val } ) ).disable();
folder1.add( settings, 'offsetY', 0, 256, 1 ).onChange( ( val ) => updateCameraViewOffset( { y: val } ) ).disable();
folder1.add( settings, 'width', window.screen.width / 4, window.screen.width * 2, 1 ).onChange( ( val ) => updateCameraViewOffset( { width: val } ) ).disable();
folder1.add( settings, 'height', window.screen.height / 4, window.screen.height * 2, 1 ).onChange( ( val ) => updateCameraViewOffset( { height: val } ) ).disable();
folder1.add( settings, 'clearViewOffset' );
}
function updateCameraViewOffset( { fullWidth, fullHeight, x, y, width, height } ) {
if ( ! camera.view ) {
camera.setViewOffset( fullWidth || window.innerWidth, fullHeight || window.innerHeight, x || 0, y || 0, width || window.innerWidth, height || window.innerHeight );
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
} else {
camera.setViewOffset( fullWidth || camera.view.fullWidth, fullHeight || camera.view.fullHeight, x || camera.view.offsetX, y || camera.view.offsetY, width || camera.view.width, height || camera.view.height );
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
}
}
</script>
</body>
</html>