|
@@ -0,0 +1,291 @@
|
|
|
+<!DOCTYPE html>
|
|
|
+<html lang="en">
|
|
|
+ <head>
|
|
|
+ <title>three.js webgpu - clipping planes</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">
|
|
|
+ </head>
|
|
|
+ <body>
|
|
|
+ <div id="info">
|
|
|
+ <a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> webgpu - clipping
|
|
|
+ </div>
|
|
|
+ <script type="importmap">
|
|
|
+ {
|
|
|
+ "imports": {
|
|
|
+ "three": "../build/three.module.js",
|
|
|
+ "three/addons/": "./jsm/",
|
|
|
+ "three/nodes": "./jsm/nodes/Nodes.js"
|
|
|
+ }
|
|
|
+ }
|
|
|
+ </script>
|
|
|
+
|
|
|
+ <script type="module">
|
|
|
+
|
|
|
+ import * as THREE from 'three';
|
|
|
+ import { MeshPhongNodeMaterial } from 'three/nodes';
|
|
|
+
|
|
|
+ import WebGPU from 'three/addons/capabilities/WebGPU.js';
|
|
|
+ import WebGL from 'three/addons/capabilities/WebGL.js';
|
|
|
+
|
|
|
+ import WebGPURenderer from 'three/addons/renderers/webgpu/WebGPURenderer.js';
|
|
|
+
|
|
|
+ import Stats from 'three/addons/libs/stats.module.js';
|
|
|
+
|
|
|
+ import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
|
|
|
+
|
|
|
+ import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
|
|
|
+
|
|
|
+ let camera, scene, renderer, startTime, object, stats;
|
|
|
+
|
|
|
+ init();
|
|
|
+ animate();
|
|
|
+
|
|
|
+ function init() {
|
|
|
+
|
|
|
+ if ( WebGPU.isAvailable() === false && WebGL.isWebGL2Available() === false ) {
|
|
|
+
|
|
|
+ document.body.appendChild( WebGPU.getErrorMessage() );
|
|
|
+
|
|
|
+ throw new Error( 'No WebGPU or WebGL2 support' );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ camera = new THREE.PerspectiveCamera( 36, window.innerWidth / window.innerHeight, 0.25, 16 );
|
|
|
+
|
|
|
+ camera.position.set( 0, 1.3, 3 );
|
|
|
+
|
|
|
+ scene = new THREE.Scene();
|
|
|
+
|
|
|
+ // Lights
|
|
|
+
|
|
|
+ scene.add( new THREE.AmbientLight( 0xcccccc ) );
|
|
|
+
|
|
|
+ const spotLight = new THREE.SpotLight( 0xffffff, 60 );
|
|
|
+ spotLight.angle = Math.PI / 5;
|
|
|
+ spotLight.penumbra = 0.2;
|
|
|
+ spotLight.position.set( 2, 3, 3 );
|
|
|
+ spotLight.castShadow = true;
|
|
|
+ spotLight.shadow.camera.near = 3;
|
|
|
+ spotLight.shadow.camera.far = 10;
|
|
|
+ spotLight.shadow.mapSize.width = 2048;
|
|
|
+ spotLight.shadow.mapSize.height = 2048;
|
|
|
+ spotLight.shadow.bias = - 0.002;
|
|
|
+ spotLight.shadow.radius = 4;
|
|
|
+ scene.add( spotLight );
|
|
|
+
|
|
|
+ const dirLight = new THREE.DirectionalLight( 0x55505a, 3 );
|
|
|
+ dirLight.position.set( 0, 3, 0 );
|
|
|
+ dirLight.castShadow = true;
|
|
|
+ dirLight.shadow.camera.near = 1;
|
|
|
+ dirLight.shadow.camera.far = 10;
|
|
|
+
|
|
|
+ dirLight.shadow.camera.right = 1;
|
|
|
+ dirLight.shadow.camera.left = - 1;
|
|
|
+ dirLight.shadow.camera.top = 1;
|
|
|
+ dirLight.shadow.camera.bottom = - 1;
|
|
|
+
|
|
|
+ dirLight.shadow.mapSize.width = 1024;
|
|
|
+ dirLight.shadow.mapSize.height = 1024;
|
|
|
+ scene.add( dirLight );
|
|
|
+
|
|
|
+ // ***** Clipping planes: *****
|
|
|
+
|
|
|
+ const localPlane = new THREE.Plane( new THREE.Vector3( 0, - 1, 0 ), 0.8 );
|
|
|
+ const localPlane2 = new THREE.Plane( new THREE.Vector3( 0, 0, -1 ), 0.1 );
|
|
|
+ const globalPlane = new THREE.Plane( new THREE.Vector3( - 1, 0, 0 ), 0.1 );
|
|
|
+
|
|
|
+ // Geometry
|
|
|
+
|
|
|
+ const material = new MeshPhongNodeMaterial( {
|
|
|
+ color: 0x80ee10,
|
|
|
+ shininess: 0,
|
|
|
+ side: THREE.DoubleSide,
|
|
|
+
|
|
|
+ // ***** Clipping setup (material): *****
|
|
|
+ clippingPlanes: [ localPlane, localPlane2 ],
|
|
|
+ clipShadows: true,
|
|
|
+ alphaToCoverage: true,
|
|
|
+ clipIntersection: true
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ material.isClipping = true;
|
|
|
+ const geometry = new THREE.TorusKnotGeometry( 0.4, 0.08, 95, 20 );
|
|
|
+
|
|
|
+ object = new THREE.Mesh( geometry, material );
|
|
|
+ object.castShadow = true;
|
|
|
+ scene.add( object );
|
|
|
+
|
|
|
+ const ground = new THREE.Mesh(
|
|
|
+ new THREE.PlaneGeometry( 9, 9, 1, 1 ),
|
|
|
+ new MeshPhongNodeMaterial( { color: 0xa0adaf, shininess: 150 } )
|
|
|
+ );
|
|
|
+
|
|
|
+ ground.rotation.x = - Math.PI / 2; // rotates X/Y to X/Z
|
|
|
+ ground.receiveShadow = true;
|
|
|
+ scene.add( ground );
|
|
|
+
|
|
|
+ // Stats
|
|
|
+
|
|
|
+ stats = new Stats();
|
|
|
+ document.body.appendChild( stats.dom );
|
|
|
+
|
|
|
+ // Renderer
|
|
|
+
|
|
|
+ renderer = new WebGPURenderer( { antialias: true } );
|
|
|
+ renderer.shadowMap.enabled = true;
|
|
|
+ renderer.setPixelRatio( window.devicePixelRatio );
|
|
|
+ renderer.setSize( window.innerWidth, window.innerHeight );
|
|
|
+ window.addEventListener( 'resize', onWindowResize );
|
|
|
+ document.body.appendChild( renderer.domElement );
|
|
|
+
|
|
|
+ // ***** Clipping setup (renderer): *****
|
|
|
+ const globalPlanes = [ globalPlane ];
|
|
|
+ const Empty = Object.freeze( [] );
|
|
|
+
|
|
|
+ renderer.clippingPlanes = Empty; // GUI sets it to globalPlanes
|
|
|
+ renderer.localClippingEnabled = true;
|
|
|
+
|
|
|
+ // Controls
|
|
|
+ const controls = new OrbitControls( camera, renderer.domElement );
|
|
|
+ controls.target.set( 0, 1, 0 );
|
|
|
+ controls.update();
|
|
|
+
|
|
|
+ // GUI
|
|
|
+
|
|
|
+ const gui = new GUI(),
|
|
|
+ props = {
|
|
|
+ alphaToCoverage: true,
|
|
|
+ },
|
|
|
+ folderLocal = gui.addFolder( 'Local Clipping' ),
|
|
|
+ propsLocal = {
|
|
|
+
|
|
|
+ get 'Enabled'() {
|
|
|
+
|
|
|
+ return renderer.localClippingEnabled;
|
|
|
+
|
|
|
+ },
|
|
|
+ set 'Enabled'( v ) {
|
|
|
+
|
|
|
+ renderer.localClippingEnabled = v;
|
|
|
+
|
|
|
+ },
|
|
|
+
|
|
|
+ get 'Shadows'() {
|
|
|
+
|
|
|
+ return material.clipShadows;
|
|
|
+
|
|
|
+ },
|
|
|
+ set 'Shadows'( v ) {
|
|
|
+
|
|
|
+ material.clipShadows = v;
|
|
|
+
|
|
|
+ },
|
|
|
+
|
|
|
+ get 'Intersection'() {
|
|
|
+
|
|
|
+ return material.clipIntersection;
|
|
|
+
|
|
|
+ },
|
|
|
+
|
|
|
+ set 'Intersection'( v ) {
|
|
|
+
|
|
|
+ material.clipIntersection = v;
|
|
|
+
|
|
|
+ },
|
|
|
+
|
|
|
+ get 'Plane'() {
|
|
|
+
|
|
|
+ return localPlane.constant;
|
|
|
+
|
|
|
+ },
|
|
|
+ set 'Plane'( v ) {
|
|
|
+
|
|
|
+ localPlane.constant = v;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ },
|
|
|
+
|
|
|
+ folderGlobal = gui.addFolder( 'Global Clipping' ),
|
|
|
+ propsGlobal = {
|
|
|
+
|
|
|
+ get 'Enabled'() {
|
|
|
+
|
|
|
+ return renderer.clippingPlanes !== Empty;
|
|
|
+
|
|
|
+ },
|
|
|
+ set 'Enabled'( v ) {
|
|
|
+
|
|
|
+ renderer.clippingPlanes = v ? globalPlanes : Empty;
|
|
|
+
|
|
|
+ },
|
|
|
+
|
|
|
+ get 'Plane'() {
|
|
|
+
|
|
|
+ return globalPlane.constant;
|
|
|
+
|
|
|
+ },
|
|
|
+ set 'Plane'( v ) {
|
|
|
+
|
|
|
+ globalPlane.constant = v;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ gui.add( props, 'alphaToCoverage' ).onChange( function ( value ) {
|
|
|
+
|
|
|
+ ground.material.alphaToCoverage = value;
|
|
|
+ ground.material.needsUpdate = true;
|
|
|
+
|
|
|
+ material.alphaToCoverage = value;
|
|
|
+ material.needsUpdate = true;
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ folderLocal.add( propsLocal, 'Enabled' );
|
|
|
+ folderLocal.add( propsLocal, 'Shadows' );
|
|
|
+ folderLocal.add( propsLocal, 'Intersection' );
|
|
|
+ folderLocal.add( propsLocal, 'Plane', 0.3, 1.25 );
|
|
|
+
|
|
|
+ folderGlobal.add( propsGlobal, 'Enabled' );
|
|
|
+ folderGlobal.add( propsGlobal, 'Plane', - 0.4, 3 );
|
|
|
+
|
|
|
+ // Start
|
|
|
+
|
|
|
+ startTime = Date.now();
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function onWindowResize() {
|
|
|
+
|
|
|
+ camera.aspect = window.innerWidth / window.innerHeight;
|
|
|
+ camera.updateProjectionMatrix();
|
|
|
+
|
|
|
+ renderer.setSize( window.innerWidth, window.innerHeight );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function animate( currentTime ) {
|
|
|
+
|
|
|
+ const time = ( currentTime - startTime ) / 1000;
|
|
|
+
|
|
|
+ requestAnimationFrame( animate );
|
|
|
+
|
|
|
+ object.position.y = 0.8;
|
|
|
+ object.rotation.x = time * 0.5;
|
|
|
+ object.rotation.y = time * 0.2;
|
|
|
+ object.scale.setScalar( Math.cos( time ) * 0.125 + 0.875 );
|
|
|
+
|
|
|
+ stats.begin();
|
|
|
+ renderer.render( scene, camera );
|
|
|
+ stats.end();
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ </script>
|
|
|
+
|
|
|
+ </body>
|
|
|
+</html>
|