Docker
- Update three in static file
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Kum1ta
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js webgl - clipping planes</title>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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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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<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 '/static/three/build/three.module.js';
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import Stats from 'three/addons/libs/stats.module.js';
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import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
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import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
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let camera, scene, renderer, startTime, object, stats;
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init();
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function init() {
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camera = new THREE.PerspectiveCamera( 36, window.innerWidth / window.innerHeight, 0.25, 16 );
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camera.position.set( 0, 1.3, 3 );
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scene = new THREE.Scene();
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// Lights
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scene.add( new THREE.AmbientLight( 0xcccccc ) );
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const spotLight = new THREE.SpotLight( 0xffffff, 60 );
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spotLight.angle = Math.PI / 5;
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spotLight.penumbra = 0.2;
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spotLight.position.set( 2, 3, 3 );
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spotLight.castShadow = true;
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spotLight.shadow.camera.near = 3;
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spotLight.shadow.camera.far = 10;
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spotLight.shadow.mapSize.width = 1024;
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spotLight.shadow.mapSize.height = 1024;
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scene.add( spotLight );
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const dirLight = new THREE.DirectionalLight( 0x55505a, 3 );
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dirLight.position.set( 0, 3, 0 );
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dirLight.castShadow = true;
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dirLight.shadow.camera.near = 1;
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dirLight.shadow.camera.far = 10;
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dirLight.shadow.camera.right = 1;
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dirLight.shadow.camera.left = - 1;
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dirLight.shadow.camera.top = 1;
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dirLight.shadow.camera.bottom = - 1;
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dirLight.shadow.mapSize.width = 1024;
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dirLight.shadow.mapSize.height = 1024;
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scene.add( dirLight );
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// ***** Clipping planes: *****
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const localPlane = new THREE.Plane( new THREE.Vector3( 0, - 1, 0 ), 0.8 );
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const globalPlane = new THREE.Plane( new THREE.Vector3( - 1, 0, 0 ), 0.1 );
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// Geometry
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const material = new THREE.MeshPhongMaterial( {
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color: 0x80ee10,
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shininess: 100,
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side: THREE.DoubleSide,
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// ***** Clipping setup (material): *****
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clippingPlanes: [ localPlane ],
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clipShadows: true,
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alphaToCoverage: true,
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} );
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const geometry = new THREE.TorusKnotGeometry( 0.4, 0.08, 95, 20 );
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object = new THREE.Mesh( geometry, material );
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object.castShadow = true;
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scene.add( object );
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const ground = new THREE.Mesh(
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new THREE.PlaneGeometry( 9, 9, 1, 1 ),
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new THREE.MeshPhongMaterial( { color: 0xa0adaf, shininess: 150 } )
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);
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ground.rotation.x = - Math.PI / 2; // rotates X/Y to X/Z
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ground.receiveShadow = true;
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scene.add( ground );
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// Renderer
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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.setAnimationLoop( animate );
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renderer.shadowMap.enabled = true;
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document.body.appendChild( renderer.domElement );
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window.addEventListener( 'resize', onWindowResize );
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// ***** Clipping setup (renderer): *****
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const globalPlanes = [ globalPlane ],
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Empty = Object.freeze( [] );
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renderer.clippingPlanes = Empty; // GUI sets it to globalPlanes
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renderer.localClippingEnabled = true;
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// Stats
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stats = new Stats();
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document.body.appendChild( stats.dom );
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// Controls
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const controls = new OrbitControls( camera, renderer.domElement );
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controls.target.set( 0, 1, 0 );
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controls.update();
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// GUI
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const gui = new GUI(),
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props = {
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alphaToCoverage: true,
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},
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folderLocal = gui.addFolder( 'Local Clipping' ),
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propsLocal = {
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get 'Enabled'() {
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return renderer.localClippingEnabled;
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},
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set 'Enabled'( v ) {
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renderer.localClippingEnabled = v;
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},
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get 'Shadows'() {
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return material.clipShadows;
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},
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set 'Shadows'( v ) {
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material.clipShadows = v;
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},
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get 'Plane'() {
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return localPlane.constant;
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},
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set 'Plane'( v ) {
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localPlane.constant = v;
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}
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},
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folderGlobal = gui.addFolder( 'Global Clipping' ),
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propsGlobal = {
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get 'Enabled'() {
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return renderer.clippingPlanes !== Empty;
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},
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set 'Enabled'( v ) {
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renderer.clippingPlanes = v ? globalPlanes : Empty;
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},
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get 'Plane'() {
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return globalPlane.constant;
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},
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set 'Plane'( v ) {
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globalPlane.constant = v;
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}
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};
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gui.add( props, 'alphaToCoverage' ).onChange( function ( value ) {
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ground.material.alphaToCoverage = value;
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ground.material.needsUpdate = true;
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material.alphaToCoverage = value;
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material.needsUpdate = true;
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} );
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folderLocal.add( propsLocal, 'Enabled' );
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folderLocal.add( propsLocal, 'Shadows' );
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folderLocal.add( propsLocal, 'Plane', 0.3, 1.25 );
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folderGlobal.add( propsGlobal, 'Enabled' );
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folderGlobal.add( propsGlobal, 'Plane', - 0.4, 3 );
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// Start
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startTime = Date.now();
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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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function animate() {
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const currentTime = Date.now();
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const time = ( currentTime - startTime ) / 1000;
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object.position.y = 0.8;
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object.rotation.x = time * 0.5;
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object.rotation.y = time * 0.2;
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object.scale.setScalar( Math.cos( time ) * 0.125 + 0.875 );
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stats.begin();
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renderer.render( scene, camera );
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stats.end();
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}
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</script>
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</body>
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</html>
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