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提交 81e0d95a 编写于 作者: M Mr.doob
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Merge pull request #7392 from bhouston/material_variations_examples 

simple material variations for phong and physical.
上级 40509735 704f2285
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examples/webgl_materials_phong_variations.html 0 → 100644
浏览文件 @ 81e0d95a
<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - materials</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: #fff;
margin: 0px;
overflow: hidden;
}
#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">three.js</a> - Phong Material Variantions by <a href="http://clara.io/" target="_blank">Ben Houston</a>.</div>
<script src="../build/three.min.js"></script>
<script src="js/controls/OrbitControls.js"></script>
<script src="js/geometries/TextGeometry.js"></script>
<script src="js/utils/FontUtils.js"></script>
<script src="fonts/gentilis_regular.typeface.js"></script>
<script src="js/Detector.js"></script>
<script src="js/libs/stats.min.js"></script>
<script>
if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
var container, stats;
var camera, scene, renderer, controls, objects = [];
var particleLight;
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, 400, 400 * 3.5 );
scene = new THREE.Scene();
// Materials
var imgTexture = THREE.ImageUtils.loadTexture( "textures/planets/moon_1024.jpg" );
imgTexture.wrapS = imgTexture.wrapT = THREE.RepeatWrapping;
imgTexture.anisotropy = 16;
imgTexture = null;
var shininess = 50, specular = 0x333333, bumpScale = 1, shading = THREE.SmoothShading;
var materials = [];
var path = "textures/cube/SwedishRoyalCastle/";
var format = '.jpg';
var urls = [
path + 'px' + format, path + 'nx' + format,
path + 'py' + format, path + 'ny' + format,
path + 'pz' + format, path + 'nz' + format
];
var reflectionCube = THREE.ImageUtils.loadTextureCube( urls );
reflectionCube.format = THREE.RGBFormat;
reflectionCube = null;
var cubeWidth = 400;
var numberOfSphersPerSide = 5;
var sphereRadius = ( cubeWidth / numberOfSphersPerSide ) * 0.8 * 0.5;
var stepSize = 1.0 / numberOfSphersPerSide;
var geometry = new THREE.SphereBufferGeometry( sphereRadius, 32, 16 );
for( var alpha = 0; alpha <= 1.0; alpha += stepSize ) {
var specularShininess = Math.pow( 2, alpha * 10 );
for( var beta = 0; beta <= 1.0; beta += stepSize ) {
var specularColor = new THREE.Color( beta * 0.2, beta * 0.2, beta * 0.2 );
for( var gamma = 0; gamma <= 1.0; gamma += stepSize ) {
// basic monochromatic energy preservation
var diffuseColor = new THREE.Color( 0, 0, gamma ).multiplyScalar( 1 - beta * 0.2 );
var material = new THREE.MeshPhongMaterial( { map: imgTexture, bumpMap: imgTexture, bumpScale: bumpScale, color: diffuseColor, specular: specularColor, shininess: specularShininess, shading: THREE.SmoothShading, envMap: reflectionCube, } )
var mesh = new THREE.Mesh( geometry, material );
mesh.position.x = alpha * 400 - 200;
mesh.position.y = beta * 400 - 200;
mesh.position.z = gamma * 400 - 200;
objects.push( mesh );
scene.add( mesh );
}
}
}
function addLabel( name, location ) {
var textGeo = new THREE.TextGeometry( name, {
size: 20,
height: 5,
curveSegments: 10,
font: 'gentilis',
weight: 'normal',
style: 'normal',
material: 0,
extrudeMaterial: 1
});
var textMaterial = new THREE.MeshBasicMaterial( { color: 0xffffff } );
var textMesh = new THREE.Mesh( textGeo, textMaterial );
textMesh.position.copy( location );
scene.add( textMesh );
}
addLabel( "-shininess", new THREE.Vector3( -350, 0, 0 ) );
addLabel( "+shininess", new THREE.Vector3( 350, 0, 0 ) );
addLabel( "-specular", new THREE.Vector3( 0, -300, 0 ) );
addLabel( "+specular", new THREE.Vector3( 0, 300, 0 ) );
addLabel( "-diffuse", new THREE.Vector3( 0, 0, -300 ) );
addLabel( "+diffuse", new THREE.Vector3( 0, 0, 300 ) );
particleLight = new THREE.Mesh( new THREE.SphereBufferGeometry( 4, 8, 8 ), new THREE.MeshBasicMaterial( { color: 0xffffff } ) );
scene.add( particleLight );
// Lights
scene.add( new THREE.AmbientLight( 0x222222 ) );
var directionalLight = new THREE.DirectionalLight( 0xffffff, 1 );
directionalLight.position.set( 1, 1, 1 ).normalize();
scene.add( directionalLight );
var pointLight = new THREE.PointLight( 0xffffff, 2, 800 );
particleLight.add( pointLight );
//
renderer = new THREE.WebGLRenderer( { antialias: true } );
renderer.setClearColor( 0x0a0a0a );
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.sortObjects = 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 );
controls.target.set( 0, 0, 0 );
controls.update();
window.addEventListener( 'resize', onWindowResize, false );
}
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() {
var timer = Date.now() * 0.00025;
//camera.position.x = Math.cos( timer ) * 800;
//camera.position.z = Math.sin( timer ) * 800;
camera.lookAt( scene.position );
for ( var i = 0, l = objects.length; i < l; i ++ ) {
var object = objects[ i ];
object.rotation.y += 0.005;
}
particleLight.position.x = Math.sin( timer * 7 ) * 300;
particleLight.position.y = Math.cos( timer * 5 ) * 400;
particleLight.position.z = Math.cos( timer * 3 ) * 300;
renderer.render( scene, camera );
}
</script>
</body>
</html>
examples/webgl_materials_physical_variations.html 0 → 100644
浏览文件 @ 81e0d95a
<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - materials</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: #fff;
margin: 0px;
overflow: hidden;
}
#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">three.js</a> - Physical Material Variantions by <a href="http://clara.io/" target="_blank">Ben Houston</a>.</div>
<script src="../build/three.min.js"></script>
<script src="js/controls/OrbitControls.js"></script>
<script src="js/geometries/TextGeometry.js"></script>
<script src="js/utils/FontUtils.js"></script>
<script src="fonts/gentilis_regular.typeface.js"></script>
<script src="js/Detector.js"></script>
<script src="js/libs/stats.min.js"></script>
<script>
if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
var container, stats;
var camera, scene, renderer, controls, objects = [];
var particleLight;
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, 400, 400 * 3.5 );
scene = new THREE.Scene();
// Materials
var imgTexture = THREE.ImageUtils.loadTexture( "textures/planets/moon_1024.jpg" );
imgTexture.wrapS = imgTexture.wrapT = THREE.RepeatWrapping;
imgTexture.anisotropy = 16;
imgTexture = null;
var shininess = 50, specular = 0x333333, bumpScale = 1, shading = THREE.SmoothShading;
var materials = [];
var path = "textures/cube/SwedishRoyalCastle/";
var format = '.jpg';
var urls = [
path + 'px' + format, path + 'nx' + format,
path + 'py' + format, path + 'ny' + format,
path + 'pz' + format, path + 'nz' + format
];
var reflectionCube = THREE.ImageUtils.loadTextureCube( urls );
reflectionCube.format = THREE.RGBFormat;
var cubeWidth = 400;
var numberOfSphersPerSide = 5;
var sphereRadius = ( cubeWidth / numberOfSphersPerSide ) * 0.8 * 0.5;
var stepSize = 1.0 / numberOfSphersPerSide;
var geometry = new THREE.SphereBufferGeometry( sphereRadius, 32, 16 );
for( var alpha = 0; alpha <= 1.0; alpha += stepSize ) {
var roughness = 1.0 - alpha;
for( var beta = 0; beta <= 1.0; beta += stepSize ) {
var metalness = beta;
for( var gamma = 0; gamma <= 1.0; gamma += stepSize ) {
// basic monochromatic energy preservation
var diffuseColor = new THREE.Color( gamma, 0, 0 ).multiplyScalar( 1 - 0.08 );
var material = new THREE.MeshPhysicalMaterial( { map: imgTexture, bumpMap: imgTexture, bumpScale: bumpScale, color: diffuseColor, metalness: metalness, roughness: roughness, shading: THREE.SmoothShading, envMap: reflectionCube } )
var mesh = new THREE.Mesh( geometry, material );
mesh.position.x = alpha * 400 - 200;
mesh.position.y = beta * 400 - 200;
mesh.position.z = gamma * 400 - 200;
objects.push( mesh );
scene.add( mesh );
}
}
}
function addLabel( name, location ) {
var textGeo = new THREE.TextGeometry( name, {
size: 20,
height: 5,
curveSegments: 10,
font: 'gentilis',
weight: 'normal',
style: 'normal',
material: 0,
extrudeMaterial: 1
});
var textMaterial = new THREE.MeshBasicMaterial( { color: 0xffffff } );
var textMesh = new THREE.Mesh( textGeo, textMaterial );
textMesh.position.copy( location );
scene.add( textMesh );
}
addLabel( "+roughness", new THREE.Vector3( -350, 0, 0 ) );
addLabel( "-roughness", new THREE.Vector3( 350, 0, 0 ) );
addLabel( "-metalness", new THREE.Vector3( 0, -300, 0 ) );
addLabel( "+metalness", new THREE.Vector3( 0, 300, 0 ) );
addLabel( "-diffuse", new THREE.Vector3( 0, 0, -300 ) );
addLabel( "+diffuse", new THREE.Vector3( 0, 0, 300 ) );
particleLight = new THREE.Mesh( new THREE.SphereBufferGeometry( 4, 8, 8 ), new THREE.MeshBasicMaterial( { color: 0xffffff } ) );
scene.add( particleLight );
// Lights
scene.add( new THREE.AmbientLight( 0x222222 ) );
var directionalLight = new THREE.DirectionalLight( 0xffffff, 1 );
directionalLight.position.set( 1, 1, 1 ).normalize();
scene.add( directionalLight );
var pointLight = new THREE.PointLight( 0xffffff, 2, 800 );
particleLight.add( pointLight );
//
renderer = new THREE.WebGLRenderer( { antialias: true } );
renderer.setClearColor( 0x0a0a0a );
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.sortObjects = 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 );
controls.target.set( 0, 0, 0 );
controls.update();
window.addEventListener( 'resize', onWindowResize, false );
}
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() {
var timer = Date.now() * 0.00025;
//camera.position.x = Math.cos( timer ) * 800;
//camera.position.z = Math.sin( timer ) * 800;
camera.lookAt( scene.position );
for ( var i = 0, l = objects.length; i < l; i ++ ) {
var object = objects[ i ];
object.rotation.y += 0.005;
}
particleLight.position.x = Math.sin( timer * 7 ) * 300;
particleLight.position.y = Math.cos( timer * 5 ) * 400;
particleLight.position.z = Math.cos( timer * 3 ) * 300;
renderer.render( scene, camera );
}
</script>
</body>
</html>
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