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apt-nl-map/static/Magic4/js/three.js-dev/examples/webgl_materials_physical_sheen.html
2024-12-04 10:21:04 +08:00

199 lines
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HTML

<html lang="en">
<head>
<title>Sheen demo (material property)</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>
body {
color: #333;
}
</style>
</head>
<body>
<div id="info">Sheen demo by <a href="https://github.com/DanielSturk">DanielSturk</a></div>
<div id="container"></div>
<script type="module">
import * as THREE from '../build/three.module.js';
import * as Nodes from './jsm/nodes/Nodes.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 { FBXLoader } from './jsm/loaders/FBXLoader.js';
// Graphics variables
let camera, controls, scene, renderer, stats;
let directionalLight;
let mesh, sphere, material, nodeMaterial;
const params = {
nodeMaterial: true,
color: new THREE.Color( 255, 0, 127 ),
sheenBRDF: true,
sheen: new THREE.Color( 10, 10, 10 ), // corresponds to .04 reflectance
roughness: 0.9
};
// model
new FBXLoader().load( 'models/fbx/cloth.fbx', function ( loadedModel ) {
mesh = loadedModel.children[ 0 ];
init();
} );
function init( ) {
camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 0.2, 2000 );
scene = new THREE.Scene();
scene.background = new THREE.Color( 0xbfd1e5 );
mesh.scale.multiplyScalar( 0.5 );
scene.add( mesh );
//
material = new THREE.MeshPhysicalMaterial();
material.side = THREE.DoubleSide;
material.metalness = 0;
//
nodeMaterial = new Nodes.StandardNodeMaterial();
nodeMaterial.side = THREE.DoubleSide;
nodeMaterial.metalness = new Nodes.FloatNode( 0 );
nodeMaterial.roughness = new Nodes.FloatNode();
nodeMaterial.color = new Nodes.ColorNode( params.color.clone() );
//
sphere = new THREE.Mesh(
new THREE.SphereGeometry( 1, 100, 100 ),
material
);
scene.add( sphere );
camera.position.set( - 12, 7, 4 );
const container = document.getElementById( 'container' );
renderer = new THREE.WebGLRenderer();
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.shadowMap.enabled = true;
container.appendChild( renderer.domElement );
controls = new OrbitControls( camera, renderer.domElement );
controls.target.set( 0, 2, 0 );
controls.update();
directionalLight = new THREE.DirectionalLight( 0xffffff, 0.5 );
directionalLight.position.set( 0, 10, 0 );
directionalLight.castShadow = true;
directionalLight.add(
new THREE.Mesh(
new THREE.SphereGeometry( 0.5 ),
new THREE.MeshBasicMaterial( { color: 0xffffff } )
)
);
scene.add( directionalLight );
stats = new Stats();
stats.domElement.style.position = 'absolute';
stats.domElement.style.top = '0px';
container.appendChild( stats.dom );
window.addEventListener( 'resize', onWindowResize );
const gui = new GUI();
function onUpdate() {
mesh.material = sphere.material = params.nodeMaterial
? nodeMaterial
: material;
material.sheen = params.sheenBRDF
? new THREE.Color()
: null;
material.needsUpdate = true;
nodeMaterial.sheen = params.sheenBRDF
? new Nodes.ColorNode( material.sheen )
: undefined;
nodeMaterial.needsCompile = true;
}
gui.add( params, 'nodeMaterial' ).onChange( onUpdate );
gui.addColor( params, 'color' );
gui.add( params, 'sheenBRDF' ).onChange( onUpdate );
gui.addColor( params, 'sheen' );
gui.add( params, 'roughness', 0, 1 );
gui.open();
onUpdate();
animate();
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
function animate() {
requestAnimationFrame( animate );
render();
stats.update();
}
function render() {
//
material.color.copy( params.color ).multiplyScalar( 1 / 255 );
material.roughness = params.roughness;
//
nodeMaterial.color.value.copy( material.color );
nodeMaterial.roughness.value = params.roughness;
//
if ( params.sheenBRDF ) {
material.sheen.copy( params.sheen ).multiplyScalar( 1 / 255 );
}
//
renderer.render( scene, camera );
}
</script>
</body>
</html>