gitadmin
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three.js
mirror of https://github.com/mrdoob/three.js.git


			
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgpu - material - basic</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>
		<script type="importmap">
			{
				"imports": {
					"three": "../build/three.webgpu.js",
					"three/tsl": "../build/three.webgpu.js",
					"three/addons/": "./jsm/"
				}
			}
		</script>

		<script type="module">

			import * as THREE from 'three';

			import { GUI } from 'three/addons/libs/lil-gui.module.min.js';

			let camera, scene, renderer;

			const spheres = [];

			let mouseX = 0;
			let mouseY = 0;

			let windowHalfX = window.innerWidth / 2;
			let windowHalfY = window.innerHeight / 2;

			const params = {
				color: '#ffffff',
				mapping: THREE.CubeReflectionMapping,
				refractionRatio: 0.98,
				transparent: false,
				opacity: 1
			};

			const mappings = { ReflectionMapping: THREE.CubeReflectionMapping, RefractionMapping: THREE.CubeRefractionMapping };

			document.addEventListener( 'mousemove', onDocumentMouseMove );

			init();

			function init() {

				camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 0.01, 100 );
				camera.position.z = 3;

				const path = './textures/cube/pisa/';
				const format = '.png';
				const urls = [
					path + 'px' + format, path + 'nx' + format,
					path + 'py' + format, path + 'ny' + format,
					path + 'pz' + format, path + 'nz' + format
				];

				const textureCube = new THREE.CubeTextureLoader().load( urls );

				scene = new THREE.Scene();
				scene.background = textureCube;

				const geometry = new THREE.SphereGeometry( 0.1, 32, 16 );
				const material = new THREE.MeshBasicMaterial( { color: 0xffffff, envMap: textureCube } );

				for ( let i = 0; i < 500; i ++ ) {

					const mesh = new THREE.Mesh( geometry, material );

					mesh.position.x = Math.random() * 10 - 5;
					mesh.position.y = Math.random() * 10 - 5;
					mesh.position.z = Math.random() * 10 - 5;

					mesh.scale.x = mesh.scale.y = mesh.scale.z = Math.random() * 3 + 1;

					scene.add( mesh );

					spheres.push( mesh );

				}

				//

				renderer = new THREE.WebGPURenderer();
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.setAnimationLoop( animate );
				document.body.appendChild( renderer.domElement );

				//

				const gui = new GUI( { width: 300 } );

				gui.addColor( params, 'color' ).onChange( ( value ) => material.color.set( value ) );
				gui.add( params, 'mapping', mappings ).onChange( ( value ) => {

					textureCube.mapping = value;
					material.needsUpdate = true;
			
				} );
				gui.add( params, 'refractionRatio' ).min( 0.0 ).max( 1.0 ).step( 0.01 ).onChange( ( value ) => material.refractionRatio = value );
				gui.add( params, 'transparent' ).onChange( ( value ) => {
			
					material.transparent = value;
					material.needsUpdate = true;

				} );
				gui.add( params, 'opacity' ).min( 0.0 ).max( 1.0 ).step( 0.01 ).onChange( ( value ) => material.opacity = value );
				gui.open();

				//

				window.addEventListener( 'resize', onWindowResize );

			}

			function onWindowResize() {

				windowHalfX = window.innerWidth / 2;
				windowHalfY = window.innerHeight / 2;

				camera.aspect = window.innerWidth / window.innerHeight;
				camera.updateProjectionMatrix();

				renderer.setSize( window.innerWidth, window.innerHeight );


			}

			function onDocumentMouseMove( event ) {

				mouseX = ( event.clientX - windowHalfX ) / 100;
				mouseY = ( event.clientY - windowHalfY ) / 100;

			}

			//

			function animate() {

				const timer = 0.0001 * Date.now();

				camera.position.x += ( mouseX - camera.position.x ) * .05;
				camera.position.y += ( - mouseY - camera.position.y ) * .05;

				camera.lookAt( scene.position );

				for ( let i = 0, il = spheres.length; i < il; i ++ ) {

					const sphere = spheres[ i ];

					sphere.position.x = 5 * Math.cos( timer + i );
					sphere.position.y = 5 * Math.sin( timer + i * 1.1 );

				}

				renderer.render( scene, camera );

			}

		</script>

	</body>
</html>