mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-12-25 12:23:49 +01:00
237 lines
6.0 KiB
HTML
237 lines
6.0 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 sandbox</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 {
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color: #ffffff;
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}
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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 sandbox.</div>
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<script src="../build/three.min.js"></script>
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<script src="js/shaders/BasicShader.js"></script>
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<script src="js/libs/stats.min.js"></script>
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<script>
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var statsEnabled = true;
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var container, stats;
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var camera, scene, renderer;
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var mesh, zmesh, lightMesh, geometry;
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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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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, 20000 );
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camera.position.z = 3200;
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scene = new THREE.Scene();
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scene.fog = new THREE.Fog( 0x000000, 1, 20000 );
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var light = new THREE.PointLight( 0xffffff );
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scene.add( light );
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var shader = THREE.BasicShader;
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var uniforms = shader.uniforms;
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var vertexShader = shader.vertexShader;
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var fragmentShader = shader.fragmentShader;
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var texture1 = new THREE.Texture( generateTexture( 0, 0.5, 1 ), THREE.UVMapping );
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var texture2 = new THREE.Texture( generateTexture( 0, 1, 0 ), THREE.SphericalReflectionMapping );
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var texture3 = THREE.ImageUtils.loadTexture( 'textures/land_ocean_ice_cloud_2048.jpg' )
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texture1.needsUpdate = true;
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texture2.needsUpdate = true;
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var materials = [
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new THREE.MeshNormalMaterial( { shading: THREE.SmoothShading } ),
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new THREE.MeshDepthMaterial(),
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new THREE.MeshBasicMaterial( { color: 0x0066ff, blending: THREE.AdditiveBlending, transparent: true, depthWrite: false } ),
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new THREE.MeshBasicMaterial( { color: 0xffaa00, wireframe: true } ),
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new THREE.MeshBasicMaterial( { map: texture1, fog: false } ),
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new THREE.MeshBasicMaterial( { map: texture3 } ),
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new THREE.ShaderMaterial( { uniforms: uniforms, vertexShader: vertexShader, fragmentShader: fragmentShader, transparent: true } ),
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new THREE.MeshLambertMaterial( { map: texture3 } ),
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new THREE.MeshLambertMaterial( { color: 0xdddddd, shading: THREE.FlatShading } ),
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new THREE.MeshLambertMaterial( { color: 0xdddddd, shading: THREE.SmoothShading } ),
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new THREE.MeshPhongMaterial( { color: 0xdddddd, specular: 0x009900, shininess: 30, shading: THREE.FlatShading } ),
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new THREE.MeshPhongMaterial( { color: 0xdddddd, specular: 0x009900, shininess: 30, shading: THREE.SmoothShading } )
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];
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var geometries = [];
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for ( var i = 0, l = materials.length; i < l; i ++ ) {
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var geometry = new THREE.SphereGeometry( 50, 32, 16 );
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geometries.push( geometry );
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}
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for ( var i = 0; i < 5000; i ++ ) {
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// random order
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//var index = Math.floor( Math.random() * materials.length );
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// sort by material / geometry
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var index = Math.floor( ( i / 5000 ) * materials.length );
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var material = materials[ index ];
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var geometry = geometries[ index ];
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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.rotation.x = Math.random() * 360 * ( Math.PI / 180 );
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mesh.rotation.y = Math.random() * 2 * Math.PI;
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mesh.scale.x = mesh.scale.y = mesh.scale.z = Math.random() * 4 + 1;
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scene.add( mesh );
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}
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renderer = new THREE.WebGLRenderer();
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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container.appendChild( renderer.domElement );
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if ( statsEnabled ) {
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stats = new Stats();
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stats.domElement.style.position = 'absolute';
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stats.domElement.style.top = '0px';
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stats.domElement.style.zIndex = 100;
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container.appendChild( stats.domElement );
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}
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document.addEventListener( 'mousemove', onDocumentMouseMove, false );
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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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renderer.setSize( window.innerWidth, window.innerHeight );
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}
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function generateTexture( r, g, b ) {
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var canvas = document.createElement( 'canvas' );
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canvas.width = 256;
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canvas.height = 256;
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var context = canvas.getContext( '2d' );
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var image = context.getImageData( 0, 0, 256, 256 );
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var x = 0, y = 0, p;
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for ( var i = 0, j = 0, l = image.data.length; i < l; i += 4, j ++ ) {
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x = j % 256;
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y = x == 0 ? y + 1 : y;
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p = Math.floor( x ^ y );
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image.data[ i ] = ~~ p * r;
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image.data[ i + 1 ] = ~~ p * g;
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image.data[ i + 2 ] = ~~ p * b;
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image.data[ i + 3 ] = 255;
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}
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context.putImageData( image, 0, 0 );
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return canvas;
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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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if ( statsEnabled ) stats.update();
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}
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function render() {
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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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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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