javascript
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three.js
Mirror von https://github.com/tazdij/three.js.git


			
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							<!DOCTYPE html>
<html lang="en">

<head>
	<title>three.js webgl - materials - clearcoat normal</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">
	<style>
		#vt {
			display: none
		}

		#vt,
		#vt a {
			color: orange;
		}
	</style>
</head>

<body>
	<div id="info">
		<a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - webgl - materials - clearcoat normal
		demo.<br />
	</div>

	<script type="module">

		import * as THREE from '../build/three.module.js';

		import Stats from './jsm/libs/stats.module.js';

		import { GUI } from './jsm/libs/dat.gui.module.js';

		import { OrbitControls } from './jsm/controls/OrbitControls.js';
		import { HDRCubeTextureLoader } from './jsm/loaders/HDRCubeTextureLoader.js';
		import { PMREMGenerator } from './jsm/pmrem/PMREMGenerator.js';
		import { PMREMCubeUVPacker } from './jsm/pmrem/PMREMCubeUVPacker.js';

		var container, stats;

		var camera, scene, renderer;

		var guiParams = {
			metalness: 0.0,
			roughness: 1.0,
			clearCoat: 1.0,
			clearCoatRoughness: 0.0,
			reflectivity: 0.0,
		};

		var guiNormalMapNames = [
			"face",
			"tentacle"
		];

		var guiMatParams = {
			normalMap: "face",
			normalScale: 1.0,
			clearCoatNormalMap: "tentacle",
			clearCoatNormalScale: 1.0,
		};

		var particleLight;
		var meshes = [];
		var mats = [];
		var normalMaps = {};

		const sphereSize = 80;
		const sphereSpacing = 1.25 * sphereSize * 2;

		const variationsX = [
			( mat, scale, map ) => { },
			( mat, scale, map ) => {

				mat.clearCoatNormalScale = new THREE.Vector2( scale, scale );
				if ( mat.clearCoatNormalMap !== map ) {

					mat.clearCoatNormalMap = map;
					mat.needsUpdate = true;

				}

			},
		];

		const variationsY = [
			( mat, scale, map ) => { },
			( mat, scale, map ) => {

				mat.normalScale = new THREE.Vector2( scale, scale );
				if ( mat.normalMap !== map ) {

					mat.normalMap = map;
					mat.needsUpdate = true;

				}

			},
		];

		const maxI = variationsX.length;
		const maxJ = variationsY.length;

		new THREE.FontLoader()
			.load( 'fonts/gentilis_regular.typeface.json',
				function ( font ) {

					init( font );
					animate();

				}
			);


		function init( font ) {

			container = document.createElement( 'div' );
			document.body.appendChild( container );

			camera = new THREE.PerspectiveCamera( 27, window.innerWidth / window.innerHeight, 1, 10000 );
			camera.position.z = 1500;

			var genCubeUrls = function ( prefix, postfix ) {

				return [
					prefix + 'px' + postfix, prefix + 'nx' + postfix,
					prefix + 'py' + postfix, prefix + 'ny' + postfix,
					prefix + 'pz' + postfix, prefix + 'nz' + postfix
				];

			};

			scene = new THREE.Scene();

			var hdrUrls = genCubeUrls( './textures/cube/pisaHDR/', '.hdr' );

			new HDRCubeTextureLoader()
				.setType( THREE.UnsignedByteType )
				.load( hdrUrls,
					function ( hdrCubeMap ) {

						var pmremGenerator = new PMREMGenerator( hdrCubeMap );
						pmremGenerator.update( renderer );

						var pmremCubeUVPacker = new PMREMCubeUVPacker( pmremGenerator.cubeLods );
						pmremCubeUVPacker.update( renderer );

						var hdrCubeRenderTarget = pmremCubeUVPacker.CubeUVRenderTarget;

						var geometry = new THREE.SphereBufferGeometry( 80, 64, 32 );

						var textureLoader = new THREE.TextureLoader();

						normalMaps.tentacle = textureLoader
							.load( "textures/nvidia_tentacle/tentacle_tangent_space.png" );

						normalMaps.face = textureLoader
							.load( "models/gltf/LeePerrySmith/Infinite-Level_02_Tangent_SmoothUV.jpg" );


						var matParams = {
							envMap: hdrCubeRenderTarget.texture,
						};


						for ( var ii = 0; ii < maxI; ii ++ ) {

							if ( ! mats[ ii ] ) {

								mats[ ii ] = [];

							}

							for ( var jj = 0; jj < maxJ; jj ++ ) {

								var mat = mats[ ii ][ jj ] = new THREE.MeshPhysicalMaterial( matParams );

								variationsX[ ii ]( mat, 1, normalMaps.tentacle );
								variationsY[ jj ]( mat, 1, normalMaps.face );
								var mesh = new THREE.Mesh( geometry, mat );
								meshes.push( mesh );
								mesh.position.x = ( ii - ( maxI - 1 ) / 2 ) * sphereSpacing;
								mesh.position.y = ( jj - ( maxJ - 1 ) / 2 ) * sphereSpacing;
								scene.add( mesh );

							}

						}

						hdrCubeMap.magFilter = THREE.LinearFilter;
						hdrCubeMap.needsUpdate = true;
						scene.background = hdrCubeMap;

						pmremGenerator.dispose();
						pmremCubeUVPacker.dispose();

					}

				);

			function addLabel( name, location, fontSize ) {

				fontSize = fontSize | 20;
				var textGeo = new THREE.TextBufferGeometry( name,
					{

						font: font,
						size: fontSize,
						height: 1,
						curveSegments: 1

					}
				);

				var textMaterial = new THREE.MeshBasicMaterial( { color: 0xffffff } );
				var textMesh = new THREE.Mesh( textGeo, textMaterial );

				// Center the bounding box on the specified position w/ translation of -half diagonal
				textGeo.computeBoundingBox();
				var bb = textGeo.boundingBox.clone();
				var displace = bb.max.sub( bb.min ).divide( new THREE.Vector3( 2, 2, 2 ) );

				textMesh.position.copy( location.sub( displace ) );
				scene.add( textMesh );

			}


			addLabel( "Normal Map", new THREE.Vector3( -350, 0, 0 ), 30 );
			addLabel( "None", new THREE.Vector3( -250, -100, 0 ) );
			addLabel( "Map", new THREE.Vector3( -300, 100, 0 ) );

			addLabel( "Clearcoat Normal Map", new THREE.Vector3( 0, 260, 0 ), 30 );
			addLabel( "None", new THREE.Vector3( -100, 200, 0 ) );
			addLabel( "Map", new THREE.Vector3( 100, 200, 0 ) );

			// LIGHTS

			particleLight = new THREE.Mesh( new THREE.SphereBufferGeometry( 4, 8, 8 ), new THREE.MeshBasicMaterial( { color: 0xffffff } ) );
			scene.add( particleLight );

			{

				var ambientLight = new THREE.AmbientLight( 0x444444 );
				scene.add( ambientLight );

			}

			{

				var pointLight = new THREE.PointLight( 0xffffff, 1.25, 1000 );
				particleLight.add( pointLight );

			}

			{

				var directionalLight = new THREE.DirectionalLight( 0xffffff );
				directionalLight.position.set( 1, - 0.5, - 1 );
				scene.add( directionalLight );

			}

			renderer = new THREE.WebGLRenderer();
			renderer.setSize( window.innerWidth, window.innerHeight );
			container.appendChild( renderer.domElement );

			//

			renderer.gammaInput = true;
			renderer.gammaOutput = true;

			//

			stats = new Stats();
			container.appendChild( stats.dom );

			// EVENTS

			var controls = new OrbitControls( camera, renderer.domElement );

			window.addEventListener( 'resize', onWindowResize, false );

			var gui = new GUI();

			{

				var materialGui = gui.addFolder( 'Physical Material' );
				materialGui.add( guiParams, 'metalness', 0, 1, 0.01 );
				materialGui.add( guiParams, 'roughness', 0, 1, 0.01 );
				materialGui.add( guiParams, 'reflectivity', 0, 1, 0.01 );
				materialGui.open();

			}

			{

				var clearCoatGui = gui.addFolder( 'ClearCoat' );
				clearCoatGui.add( guiParams, 'clearCoat', 0, 1, 0.01 );
				clearCoatGui.add( guiParams, 'clearCoatRoughness', 0, 1, 0.01 );
				clearCoatGui.open();

			}

			{

				var normalGui = gui.addFolder( 'Normal Maps' );
				normalGui.add( guiMatParams, 'normalMap', guiNormalMapNames );
				normalGui.add( guiMatParams, 'normalScale', 0, 1, 0.01 );
				normalGui.add( guiMatParams, 'clearCoatNormalMap', guiNormalMapNames );
				normalGui.add( guiMatParams, 'clearCoatNormalScale', 0, 1, 0.01 );
				normalGui.open();

			}

			gui.open();

		}

		//

		function onWindowResize() {

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

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

			renderer.setSize( width, height );

		}

		//

		function animate() {

			requestAnimationFrame( animate );

			render();

			stats.update();

		}

		function render() {

			var matColor = new THREE.Color().setHSL( 0.0, 0.5, 0.25 );

			for ( var ii = 0; ii < maxI; ii ++ ) {

				if ( mats[ ii ] ) { // avoid exceptions on first render before materials are set. TODO: lauch animation only after setup

					for ( var jj = 0; jj < maxJ; jj ++ ) {

						var mat = mats[ ii ][ jj ];
						mat.color = matColor;
						for ( var matParam in guiParams ) {

							mat[ matParam ] = guiParams[ matParam ];

						}

						var normalMap = normalMaps[ guiMatParams.normalMap ];
						var clearCoatNormalMap = normalMaps[ guiMatParams.clearCoatNormalMap ];

						variationsX[ ii ]( mat, guiMatParams.clearCoatNormalScale, clearCoatNormalMap );
						variationsY[ jj ]( mat, guiMatParams.normalScale, normalMap );

					}

				}

			}

			var timer = Date.now() * 0.00025;
			particleLight.position.x = Math.sin( timer * 7 ) * 300;
			particleLight.position.y = Math.cos( timer * 5 ) * 400;
			particleLight.position.z = Math.cos( timer * 3 ) * 300;


			for ( var mesh of meshes ) {

				mesh.rotation.y += 0.01;

			}


			renderer.render( scene, camera );

		}


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