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three.js

GitCode（gitcode.net）2024年7月9日维护升级公告

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提交 6dd16bf1 编写于 作者: B Ben Houston (Clara.io) 提交者： Mr.doob
浏览文件
操作

add reflectivity example.

上级 5a6df635
隐藏空白更改
内联 并排
Showing with 604 addition and 0 deletion
examples/files.js
浏览文件 @ 6dd16bf1
......@@ -129,6 +129,7 @@ var files = {
"webgl_materials_nodes",
"webgl_materials_normalmap",
"webgl_materials_parallaxmap",
"webgl_materials_reflectivity",
"webgl_materials_shaders_fresnel",
"webgl_materials_skin",
"webgl_materials_standard",
......
examples/models/obj/emerald.obj 0 → 100644
浏览文件 @ 6dd16bf1
# Blender v2.74 (sub 0) OBJ File: ''
# www.blender.org
mtllib diamond-for-threejs.mtl
o emerald_obj_1
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usemtl emerald_obj_1Default
s off
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examples/webgl_materials_reflectivity.html 0 → 100644
浏览文件 @ 6dd16bf1
<!DOCTYPE html>
<html lang="en">
<head>
<title>threejs webgl - materials - hdr environment mapping</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<style>
body {
color: #fff;
font-family:Monospace;
font-size:13px;
text-align:center;
background-color: #000;
margin: 0px;
overflow: hidden;
}
a { color: #88f }
#info {
position: absolute;
top: 0px; width: 100%;
padding: 5px;
}
</style>
</head>
<body>
<div id="container"></div>
<div id="info"><a href="http://threejs.org" target="_blank">threejs</a> - Standard Material Reflectivity (reflectance at F0) example by <a href="http://clara.io/" target="_blank">Ben Houston</a>.</div>
<script src="../build/three.js"></script>
<script src="js/controls/OrbitControls.js"></script>
<script src="js/loaders/RGBELoader.js"></script>
<script src="js/loaders/HDRCubeTextureLoader.js"></script>
<script src="js/Detector.js"></script>
<script src="js/libs/stats.min.js"></script>
<script src="js/Half.js"></script>
<script src="js/Encodings.js"></script>
<script src="js/pmrem/PMREMGenerator.js"></script>
<script src="js/pmrem/PMREMCubeUVPacker.js"></script>
<script src="js/libs/dat.gui.min.js"></script>
<script src="js/postprocessing/EffectComposer.js"></script>
<script src="js/postprocessing/RenderPass.js"></script>
<script src="js/postprocessing/MaskPass.js"></script>
<script src="js/postprocessing/ShaderPass.js"></script>
<script src="js/shaders/CopyShader.js"></script>
<script src="js/shaders/FXAAShader.js"></script>
<script src="js/postprocessing/BloomPass.js"></script>
<script src="js/shaders/ConvolutionShader.js"></script>
<script src="js/loaders/OBJLoader.js"></script>
<script>
if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
var container, stats;
var params = {
projection: 'normal',
autoRotate: true,
reflectivity: 1.0,
background: false,
exposure: 1.0,
gemColor: 'Green'
};
var camera, scene, renderer, controls, objects = [];
var hdrCubeMap;
var composer;
var gemBackMaterial, gemFrontMaterial;
var hdrCubeRenderTarget;
init();
animate();
function init() {
container = document.createElement( 'div' );
document.body.appendChild( container );
camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 2000 );
camera.position.set( 0.0, -10, 20 * 3.5 );
scene = new THREE.Scene();
renderer = new THREE.WebGLRenderer( { antialias: true } );
renderer.setClearColor( new THREE.Color( 0x000000 ) );
gemBackMaterial = new THREE.MeshPhysicalMaterial( {
map: null,
color: 0x0000ff,
metalness: 1.0,
roughness: 0,
opacity: 0.5,
side: THREE.BackSide,
transparent: true,
shading: THREE.SmoothShading,
envMapIntensity: 5,
premultipliedAlpha: true
// TODO: Add custom blend mode that modulates background color by this materials color.
} );
gemFrontMaterial = new THREE.MeshPhysicalMaterial( {
map: null,
color: 0x0000ff,
metalness: 0.0,
roughness: 0,
opacity: 0.15,
side: THREE.FrontSide,
transparent: true,
shading: THREE.SmoothShading,
envMapIntensity: 5,
premultipliedAlpha: true
} );
var manager = new THREE.LoadingManager();
manager.onProgress = function ( item, loaded, total ) {
console.log( item, loaded, total );
};
var loader = new THREE.OBJLoader( manager );
loader.load( 'models/obj/emerald.obj', function ( object ) {
object.traverse( function ( child ) {
if ( child instanceof THREE.Mesh ) {
child.material = gemBackMaterial;
var second = child.clone();
second.material = gemFrontMaterial;
var parent = new THREE.Group();
parent.add( second );
parent.add( child );
scene.add( parent );
objects.push( parent );
}
} );
} );
var genCubeUrls = function( prefix, postfix ) {
return [
prefix + 'px' + postfix, prefix + 'nx' + postfix,
prefix + 'py' + postfix, prefix + 'ny' + postfix,
prefix + 'pz' + postfix, prefix + 'nz' + postfix
];
};
var hdrUrls = genCubeUrls( "./textures/cube/pisaHDR/", ".hdr" );
new THREE.HDRCubeTextureLoader().load( THREE.UnsignedByteType, hdrUrls, function ( hdrCubeMap ) {
var pmremGenerator = new THREE.PMREMGenerator( hdrCubeMap );
pmremGenerator.update( renderer );
var pmremCubeUVPacker = new THREE.PMREMCubeUVPacker( pmremGenerator.cubeLods );
pmremCubeUVPacker.update( renderer );
hdrCubeRenderTarget = pmremCubeUVPacker.CubeUVRenderTarget;
gemFrontMaterial.envMap = gemBackMaterial.envMap = hdrCubeRenderTarget;
gemFrontMaterial.needsUpdate = gemBackMaterial.needsUpdate = true;
} );
// Lights
scene.add( new THREE.AmbientLight( 0x222222 ) );
var pointLight1 = new THREE.PointLight( 0xffffff );
pointLight1.position.set( 150, 10, 0 );
pointLight1.castShadow = false;
scene.add( pointLight1 );
var pointLight2 = new THREE.PointLight( 0xffffff );
pointLight2.position.set( -150, 0, 0 );
scene.add( pointLight2 );
var pointLight3 = new THREE.PointLight( 0xffffff );
pointLight3.position.set( 0, -10, -150 );
scene.add( pointLight3 );
var pointLight4 = new THREE.PointLight( 0xffffff );
pointLight4.position.set( 0, 0, 150 );
scene.add( pointLight4 );
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.shadowMap.enabled = true;
container.appendChild( renderer.domElement );
renderer.gammaInput = true;
renderer.gammaOutput = true;
stats = new Stats();
stats.domElement.style.position = 'absolute';
stats.domElement.style.top = '0px';
container.appendChild( stats.domElement );
controls = new THREE.OrbitControls( camera, renderer.domElement );
controls.target.set( 0, 0, 0 );
controls.update();
window.addEventListener( 'resize', onWindowResize, false );
var gui = new dat.GUI();
gui.add( params, 'reflectivity', 0, 1 );
gui.add( params, 'exposure', 0.1, 2 );
gui.add( params, 'autoRotate' );
gui.add( params, 'gemColor', [ 'Blue', 'Green', 'Red', 'White', 'Black' ] );
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 );
stats.begin();
render();
stats.end();
}
function render() {
if ( gemBackMaterial !== undefined && gemFrontMaterial !== undefined ) {
gemFrontMaterial.reflectivity = gemBackMaterial.reflectivity = params.reflectivity;
var newColor = gemBackMaterial.color;
switch( params.gemColor ) {
case 'Blue': newColor = new THREE.Color( 0x000088 ); break;
case 'Red': newColor = new THREE.Color( 0x880000 ); break;
case 'Green': newColor = new THREE.Color( 0x008800 ); break;
case 'White': newColor = new THREE.Color( 0x888888 ); break;
case 'Black': newColor = new THREE.Color( 0x0f0f0f ); break;
}
gemBackMaterial.color = gemFrontMaterial.color = newColor;
}
renderer.toneMappingExposure = params.exposure;
var timer = Date.now() * 0.00025;
camera.lookAt( scene.position );
if( params.autoRotate ) {
for ( var i = 0, l = objects.length; i < l; i ++ ) {
var object = objects[ i ];
object.rotation.y += 0.005;
}
}
renderer.render( scene, camera );
}
</script>
</body>
</html>
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