samien
/
three.js
зеркало из https://github.com/mrdoob/three.js.git


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgpu - height fog</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="example.css">
	</head>
	<body>

		<div id="info" class="invert">
			<a href="https://threejs.org/" target="_blank" rel="noopener" class="logo-link"></a>

			<div class="title-wrapper">
				<a href="https://threejs.org/" target="_blank" rel="noopener">three.js</a><span>Height Fog</span>
			</div>

			<small>
				Exponential Height Fog with TSL.
			</small>
		</div>

		<script type="importmap">
			{
				"imports": {
					"three": "../build/three.webgpu.js",
					"three/webgpu": "../build/three.webgpu.js",
					"three/tsl": "../build/three.tsl.js",
					"three/addons/": "./jsm/"
				}
			}
		</script>

		<script type="module">

			import * as THREE from 'three/webgpu';
			import { exponentialHeightFogFactor, uniform, fog, color } from 'three/tsl';

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

			let camera, scene, renderer;
			let controls;

			init();

			function init() {

				camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 600 );
				camera.position.set( 20, 10, 25 );

				scene = new THREE.Scene();

				// height fog

				const density = uniform( 0.04 );
				const height = uniform( 2 );

				const fogFactor = exponentialHeightFogFactor( density, height );
			
				scene.fogNode = fog( color( 0xffdfc1 ), fogFactor );
				scene.backgroundNode = color( 0xffdfc1 );

				// meshes

				const geometry = new THREE.BoxGeometry( 1, 25, 1 );
				const material = new THREE.MeshPhongNodeMaterial( { color: 0xcd959a } );

				const mesh = new THREE.InstancedMesh( geometry, material, 100 );
				mesh.position.y = - 10;
				scene.add( mesh );

				const dummy = new THREE.Object3D();

				let index = 0;

				for ( let i = 0; i < 10; i ++ ) {

					for ( let j = 0; j < 10; j ++ ) {

						dummy.position.x = - 18 + ( i * 4 );
						dummy.position.z = - 18 + ( j * 4 );

						dummy.updateMatrix();

						mesh.setMatrixAt( index ++, dummy.matrix );

					}
			
				}

				// lights

				const directionalLight = new THREE.DirectionalLight( 0xffc0cb, 2 );
				directionalLight.position.set( - 10, 10, 10 );
				scene.add( directionalLight );

				const ambientLight = new THREE.AmbientLight( 0xcccccc );
				scene.add( ambientLight );

				// renderer

				renderer = new THREE.WebGPURenderer( { antialias: true } );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.setAnimationLoop( animate );
				renderer.inspector = new Inspector();
				document.body.appendChild( renderer.domElement );

				// gui

				const gui = renderer.inspector.createParameters( 'Fog Settings' );

				gui.add( density, 'value', 0.001, 0.1 ).step( 0.0001 ).name( 'Density' );
				gui.add( height, 'value', - 5, 5 ).name( 'Height' );

				// controls

				controls = new OrbitControls( camera, renderer.domElement );
				controls.minDistance = 7;
				controls.maxDistance = 100;
				controls.maxPolarAngle = Math.PI / 2;
				controls.enableDamping = true;

				window.addEventListener( 'resize', resize );

			}

			function resize() {

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

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

			}

			function animate() {

				controls.update();

				renderer.render( scene, camera );

			}

		</script>
	</body>
</html>