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webgl_materials_variations_basic.html
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<!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: #000;
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" rel="noopener">three.js</a> - Basic Material Variantions by <a href="http://clara.io/" target="_blank" rel="noopener">Ben Houston</a>.</div>
<script src="../build/three.js"></script>
<script src="js/controls/OrbitControls.js"></script>
<script src="js/WebGL.js"></script>
<script src="js/libs/stats.min.js"></script>
<script>
if ( WEBGL.isWebGLAvailable() === false ) {
document.body.appendChild( WEBGL.getWebGLErrorMessage() );
}
var container, stats;
var camera, scene, renderer, controls;
var particleLight;
var loader = new THREE.FontLoader();
loader.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( 40, window.innerWidth / window.innerHeight, 1, 2000 );
camera.position.set( 0.0, 400, 400 * 3.5 );
//
var reflectionCube = new THREE.CubeTextureLoader()
.setPath( 'textures/cube/SwedishRoyalCastle/' )
.load( [ 'px.jpg', 'nx.jpg', 'py.jpg', 'ny.jpg', 'pz.jpg', 'nz.jpg' ] );
reflectionCube.format = THREE.RGBFormat;
scene = new THREE.Scene();
scene.background = reflectionCube;
// Materials
var imgTexture = new THREE.TextureLoader().load( "textures/planets/moon_1024.jpg" );
imgTexture.wrapS = imgTexture.wrapT = THREE.RepeatWrapping;
imgTexture.anisotropy = 16;
imgTexture = 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 ) {
for ( var beta = 0; beta <= 1.0; beta += stepSize ) {
for ( var gamma = 0; gamma <= 1.0; gamma += stepSize ) {
var diffuseColor = new THREE.Color().setHSL( alpha, 0.5, gamma * 0.5 + 0.1 );
var material = new THREE.MeshBasicMaterial( {
map: imgTexture,
color: diffuseColor,
reflectivity: beta,
envMap: alpha < 0.5 ? reflectionCube : null
} );
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;
scene.add( mesh );
}
}
}
function addLabel( name, location ) {
var textGeo = new THREE.TextBufferGeometry( name, {
font: font,
size: 20,
height: 1,
curveSegments: 1
} );
var textMaterial = new THREE.MeshBasicMaterial( { color: 0xffffff } );
var textMesh = new THREE.Mesh( textGeo, textMaterial );
textMesh.position.copy( location );
scene.add( textMesh );
}
addLabel( "+hue", new THREE.Vector3( - 350, 0, 0 ) );
addLabel( "-hue", new THREE.Vector3( 350, 0, 0 ) );
addLabel( "-reflectivity", new THREE.Vector3( 0, - 300, 0 ) );
addLabel( "+reflectivity", new THREE.Vector3( 0, 300, 0 ) );
addLabel( "-diffuse", new THREE.Vector3( 0, 0, - 300 ) );
addLabel( "+diffuse", new THREE.Vector3( 0, 0, 300 ) );
addLabel( "envMap", new THREE.Vector3( - 350, 300, 0 ) );
addLabel( "no envMap", new THREE.Vector3( 350, 300, 0 ) );
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.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
container.appendChild( renderer.domElement );
renderer.gammaInput = true;
renderer.gammaOutput = true;
//
stats = new Stats();
container.appendChild( stats.dom );
controls = new THREE.OrbitControls( camera );
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 );
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>