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iot/projects/StudyCenter/wwwroot/lib/three.js/examples/webgl_materials_bumpmap.html

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<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - materials - bump map [Lee Perry-Smith]</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 {
background:#000;
color:#fff;
padding:0;
margin:0;
font-weight: bold;
overflow:hidden;
}
a { color: #ffffff; }
#info {
position: absolute;
top: 0px; width: 100%;
color: #ffffff;
padding: 5px;
font-family:Monospace;
font-size:13px;
text-align:center;
z-index:1000;
}
#webglmessage {
background:rgb(200,100,0) !important;
color:#fff;
}
#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 bump mapping without tangents -
<a href="http://graphics.cs.williams.edu/data/meshes.xml#14" target="_blank" rel="noopener">Lee Perry-Smith</a> head
</div>
<script src="../build/three.js"></script>
<script src="js/loaders/GLTFLoader.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 statsEnabled = true;
var container, stats, loader;
var camera, scene, renderer;
var mesh;
var spotLight;
var mouseX = 0;
var mouseY = 0;
var targetX = 0;
var targetY = 0;
var windowHalfX = window.innerWidth / 2;
var windowHalfY = window.innerHeight / 2;
init();
animate();
function init() {
container = document.createElement( 'div' );
document.body.appendChild( container );
//
camera = new THREE.PerspectiveCamera( 27, window.innerWidth / window.innerHeight, 1, 10000 );
camera.position.z = 1200;
scene = new THREE.Scene();
scene.background = new THREE.Color( 0x060708 );
// LIGHTS
scene.add( new THREE.HemisphereLight( 0x443333, 0x111122 ) );
spotLight = new THREE.SpotLight( 0xffffbb, 2 );
spotLight.position.set( 0.5, 0, 1 );
spotLight.position.multiplyScalar( 700 );
scene.add( spotLight );
spotLight.castShadow = true;
spotLight.shadow.mapSize.width = 2048;
spotLight.shadow.mapSize.height = 2048;
spotLight.shadow.camera.near = 200;
spotLight.shadow.camera.far = 1500;
spotLight.shadow.camera.fov = 40;
spotLight.shadow.bias = - 0.005;
//
var mapHeight = new THREE.TextureLoader().load( "models/gltf/LeePerrySmith/Infinite-Level_02_Disp_NoSmoothUV-4096.jpg" );
var material = new THREE.MeshPhongMaterial( {
color: 0x552811,
specular: 0x222222,
shininess: 25,
bumpMap: mapHeight,
bumpScale: 12
} );
loader = new THREE.GLTFLoader();
loader.load( "models/gltf/LeePerrySmith/LeePerrySmith.glb", function ( gltf ) {
createScene( gltf.scene.children[ 0 ].geometry, 100, material );
} );
renderer = new THREE.WebGLRenderer();
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
container.appendChild( renderer.domElement );
renderer.shadowMap.enabled = true;
//
renderer.gammaInput = true;
renderer.gammaOutput = true;
//
if ( statsEnabled ) {
stats = new Stats();
container.appendChild( stats.dom );
}
// EVENTS
document.addEventListener( 'mousemove', onDocumentMouseMove, false );
window.addEventListener( 'resize', onWindowResize, false );
}
function createScene( geometry, scale, material ) {
mesh = new THREE.Mesh( geometry, material );
mesh.position.y = - 50;
mesh.scale.set( scale, scale, scale );
mesh.castShadow = true;
mesh.receiveShadow = true;
scene.add( mesh );
}
//
function onWindowResize() {
renderer.setSize( window.innerWidth, window.innerHeight );
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
}
function onDocumentMouseMove( event ) {
mouseX = ( event.clientX - windowHalfX );
mouseY = ( event.clientY - windowHalfY );
}
//
function animate() {
requestAnimationFrame( animate );
render();
if ( statsEnabled ) stats.update();
}
function render() {
targetX = mouseX * .001;
targetY = mouseY * .001;
if ( mesh ) {
mesh.rotation.y += 0.05 * ( targetX - mesh.rotation.y );
mesh.rotation.x += 0.05 * ( targetY - mesh.rotation.x );
}
renderer.render( scene, camera );
}
</script>
</body>
</html>