javascript
/
three.js
镜像来自 https://github.com/tazdij/three.js.git


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js - playground</title>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
		<link rel="stylesheet" href="fonts/open-sans/open-sans.css" type="text/css"/>
		<link rel="stylesheet" href="fonts/tabler-icons/tabler-icons.min.css" type="text/css"/>
		<style>

			body {
				overflow: hidden;
				width: 100%;
				height: 100%;
				top: 0;
				left: 0;
				margin: 0;
				position: fixed;
				overscroll-behavior: none;
			}

			.renderer {
				position: absolute;
				top: 0;
				left: 0;
				height: 100%;
				width: 100%;
			}

			flow {
				position: absolute;
				top: 0;
				left: 0;
				height: 100%;
				width: 100%;
				box-shadow: inset 0 0 20px 0px #000000;
				pointer-events: none;
			}

			flow > * {
				pointer-events: auto;
			}

			flow f-canvas.focusing {
				pointer-events: none;
			}

			flow f-canvas:not(.focusing) {
				background: #191919ed;
			}

		</style>
	</head>
	<body>

		<script src="https://cdn.jsdelivr.net/npm/monaco-editor@latest/min/vs/loader.min.js"></script>

		<script type="importmap">
			{
				"imports": {
					"three": "../build/three.module.js",
					"three/addons/": "../examples/jsm/",
					"three/nodes": "../examples/jsm/nodes/Nodes.js",
					"flow": "./libs/flow.module.js"
				}
			}
		</script>

		<script type="module">

			import * as THREE from 'three';

			import { nodeFrame } from 'three/addons/renderers/webgl-legacy/nodes/WebGLNodes.js';

			import { OrbitControls } from 'three/addons/controls/OrbitControls.js';

			import { EffectComposer } from 'three/addons/postprocessing/EffectComposer.js';
			import { RenderPass } from 'three/addons/postprocessing/RenderPass.js';

			import { NodeEditor } from './NodeEditor.js';

			let camera, scene, renderer, composer;
			let nodeEditor;

			init();

			async function init() {

				const urlParams = new URLSearchParams( window.location.search );
				const backend = urlParams.get( 'backend' );

				//

				camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 0.5, 60 );
				camera.position.set( 0.0, 3, 4 * 3 );

				scene = new THREE.Scene();
				scene.background = new THREE.Color( 0x333333 );

				//

				if ( backend === 'webgpu' ) {

					const { default: WebGPU } = await import( 'three/addons/capabilities/WebGPU.js' );
					const { default: WebGPURenderer } = await import( 'three/addons/renderers/webgpu/WebGPURenderer.js' );

					renderer = new WebGPURenderer();

					if ( WebGPU.isAvailable() === false ) {

						document.body.appendChild( WebGPU.getErrorMessage() );

						throw new Error( 'No WebGPU support' );

					}

				} else {

					renderer = new THREE.WebGLRenderer( { antialias: true } );
					renderer.useLegacyLights = false;

					composer = new EffectComposer( renderer );
					composer.addPass( new RenderPass( scene, camera ) );

				}

				//

				renderer.setAnimationLoop( render );
				renderer.toneMapping = THREE.LinearToneMapping;
				renderer.toneMappingExposure = 1;
				document.body.appendChild( renderer.domElement );

				renderer.domElement.className = 'renderer';

				//

				const controls = new OrbitControls( camera, renderer.domElement );
				controls.minDistance = 1;
				controls.maxDistance = 30;

				window.addEventListener( 'resize', onWindowResize );

				initEditor();

				onWindowResize();

			}

			function initEditor() {

				nodeEditor = new NodeEditor( scene, renderer, composer );

				nodeEditor.addEventListener( 'new', () => {

					//renderer.dispose();

				} );

				document.body.appendChild( nodeEditor.domElement );

			}

			function onWindowResize() {

				const width = window.innerWidth;
				const height = window.innerHeight;

				camera.aspect = width / height;
				camera.updateProjectionMatrix();

				renderer.setSize( width, height );
				if ( composer ) composer.setSize( width, height );

				nodeEditor.setSize( width, height );

			}

			//

			function animate() {

				requestAnimationFrame( animate );

				if ( renderer.isWebGLRenderer ) nodeFrame.update();

				render();

			}

			function render() {

				if ( composer && composer.passes.length > 1 ) composer.render();
				else renderer.render( scene, camera );

			}

		</script>

	</body>
</html>