mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-11-19 12:27:56 +01:00
214 lines
5.0 KiB
HTML
214 lines
5.0 KiB
HTML
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js webgl - materials - shaders [Fresnel]</title>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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<style>
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body {
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background:#000;
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padding:0;
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margin:0;
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font-weight: bold;
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overflow:hidden;
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}
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#info {
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position: absolute;
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top: 0px; width: 100%;
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color: #ffffff;
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padding: 5px;
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font-family:Monospace;
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font-size:13px;
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text-align:center;
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z-index:1000;
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}
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a { color: #ffffff; }
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#oldie a { color:#0b0 }
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</style>
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</head>
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<body>
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<div id="info"><a href="http://threejs.org" target="_blank">three.js</a> - webgl cube Fresnel shader demo. texture by <a href="http://www.humus.name/index.php?page=Textures" target="_blank">Humus</a> </div>
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<script src="../build/three.min.js"></script>
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<script src="js/shaders/FresnelShader.js"></script>
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<script src="js/Detector.js"></script>
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<script>
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if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
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var container;
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var camera, scene, renderer;
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var cameraCube, sceneCube;
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var mesh, zmesh, lightMesh, geometry;
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var spheres = [];
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var directionalLight, pointLight;
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var mouseX = 0, mouseY = 0;
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var windowHalfX = window.innerWidth / 2;
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var windowHalfY = window.innerHeight / 2;
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document.addEventListener( 'mousemove', onDocumentMouseMove, false );
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init();
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animate();
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function init() {
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container = document.createElement( 'div' );
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document.body.appendChild( container );
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camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 100000 );
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camera.position.z = 3200;
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cameraCube = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 100000 );
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scene = new THREE.Scene();
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sceneCube = new THREE.Scene();
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var geometry = new THREE.SphereGeometry( 100, 32, 16 );
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var path = "textures/cube/Park2/";
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var format = '.jpg';
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var urls = [
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path + 'posx' + format, path + 'negx' + format,
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path + 'posy' + format, path + 'negy' + format,
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path + 'posz' + format, path + 'negz' + format
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];
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var textureCube = THREE.ImageUtils.loadTextureCube( urls );
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textureCube.format = THREE.RGBFormat;
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var shader = THREE.FresnelShader;
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var uniforms = THREE.UniformsUtils.clone( shader.uniforms );
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uniforms[ "tCube" ].value = textureCube;
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var parameters = { fragmentShader: shader.fragmentShader, vertexShader: shader.vertexShader, uniforms: uniforms };
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var material = new THREE.ShaderMaterial( parameters );
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for ( var i = 0; i < 500; i ++ ) {
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var mesh = new THREE.Mesh( geometry, material );
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mesh.position.x = Math.random() * 10000 - 5000;
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mesh.position.y = Math.random() * 10000 - 5000;
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mesh.position.z = Math.random() * 10000 - 5000;
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mesh.scale.x = mesh.scale.y = mesh.scale.z = Math.random() * 3 + 1;
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scene.add( mesh );
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spheres.push( mesh );
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}
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scene.matrixAutoUpdate = false;
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// Skybox
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var shader = THREE.ShaderLib[ "cube" ];
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shader.uniforms[ "tCube" ].value = textureCube;
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var material = new THREE.ShaderMaterial( {
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fragmentShader: shader.fragmentShader,
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vertexShader: shader.vertexShader,
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uniforms: shader.uniforms,
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side: THREE.BackSide
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} ),
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mesh = new THREE.Mesh( new THREE.BoxGeometry( 100000, 100000, 100000 ), material );
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sceneCube.add( mesh );
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//
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renderer = new THREE.WebGLRenderer( { antialias: false } );
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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renderer.autoClear = false;
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container.appendChild( renderer.domElement );
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//
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window.addEventListener( 'resize', onWindowResize, false );
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}
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function onWindowResize() {
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windowHalfX = window.innerWidth / 2;
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windowHalfY = window.innerHeight / 2;
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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cameraCube.aspect = window.innerWidth / window.innerHeight;
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cameraCube.updateProjectionMatrix();
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renderer.setSize( window.innerWidth, window.innerHeight );
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}
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function onDocumentMouseMove( event ) {
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mouseX = ( event.clientX - windowHalfX ) * 10;
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mouseY = ( event.clientY - windowHalfY ) * 10;
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}
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//
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function animate() {
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requestAnimationFrame( animate );
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render();
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}
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function render() {
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var timer = 0.0001 * Date.now();
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camera.position.x += ( mouseX - camera.position.x ) * .05;
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camera.position.y += ( - mouseY - camera.position.y ) * .05;
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camera.lookAt( scene.position );
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cameraCube.rotation.copy( camera.rotation );
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for ( var i = 0, il = spheres.length; i < il; i ++ ) {
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var sphere = spheres[ i ];
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sphere.position.x = 5000 * Math.cos( timer + i );
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sphere.position.y = 5000 * Math.sin( timer + i * 1.1 );
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}
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renderer.clear();
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renderer.render( sceneCube, cameraCube );
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renderer.render( scene, camera );
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}
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</script>
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</body>
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</html>
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