mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-12-24 12:03:48 +01:00
177 lines
4.4 KiB
HTML
177 lines
4.4 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 - performance</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:#fff;
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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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#stats { position: absolute; top:0; left: 0 }
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#stats #fps { background: transparent !important }
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#stats #fps #fpsText { color: #eee !important }
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#stats #fps #fpsGraph { display: none }
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</style>
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</head>
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<body>
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<script src="../build/three.min.js"></script>
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<script src="js/Detector.js"></script>
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<script src="js/libs/stats.min.js"></script>
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<script>
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if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
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var container, stats;
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var camera, scene, renderer;
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var mesh, geometry;
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var mouseX = 0, mouseY = 0;
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var SCREEN_WIDTH = window.innerWidth,
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SCREEN_HEIGHT = window.innerHeight;
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var windowHalfX = SCREEN_WIDTH / 2;
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var windowHalfY = SCREEN_HEIGHT / 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( 50, SCREEN_WIDTH / SCREEN_HEIGHT, 1, 20000 );
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camera.position.z = 3200;
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scene = new THREE.Scene();
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var light = new THREE.PointLight( 0x0011ff, 1, 5500 );
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light.position.set( 4000, 0, 0 );
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scene.add( light );
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var light = new THREE.PointLight( 0xff1100, 1, 5500 );
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light.position.set( -4000, 0, 0 );
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scene.add( light );
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var light = new THREE.PointLight( 0xffaa00, 2, 3000 );
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light.position.set( 0, 0, 0 );
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scene.add( light );
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var path = "textures/cube/SwedishRoyalCastle/";
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var format = '.jpg';
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var urls = [
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path + 'px' + format, path + 'nx' + format,
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path + 'py' + format, path + 'ny' + format,
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path + 'pz' + format, path + 'nz' + format
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];
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var reflectionCube = THREE.ImageUtils.loadTextureCube( urls );
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reflectionCube.format = THREE.RGBFormat;
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var material = new THREE.MeshPhongMaterial( { specular: 0x101010, shininess: 100, envMap: reflectionCube, combine: THREE.MixOperation, reflectivity: 0.1, side: THREE.DoubleSide } );
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material.wrapAround = true;
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material.wrapRGB.set( 0.5, 0.5, 0.5 );
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var geometry = new THREE.SphereGeometry( 1, 32, 16, 0, Math.PI );
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for ( var i = 0; i < 5000; 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.rotation.x = Math.random() * 2 * Math.PI;
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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() * 50 + 100;
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mesh.matrixAutoUpdate = false;
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mesh.updateMatrix();
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scene.add( mesh );
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}
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renderer = new THREE.WebGLRenderer( { antialias: true } );
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renderer.setClearColor( 0x050505 );
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
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renderer.gammaInput = true;
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renderer.gammaOutput = true;
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container.appendChild( renderer.domElement );
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stats = new Stats();
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container.appendChild( stats.domElement );
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document.addEventListener( 'mousemove', onDocumentMouseMove, false );
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window.addEventListener( 'resize', onWindowResize, false );
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}
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//
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function onWindowResize( event ) {
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SCREEN_WIDTH = window.innerWidth;
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SCREEN_HEIGHT = window.innerHeight;
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renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
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camera.aspect = SCREEN_WIDTH / SCREEN_HEIGHT;
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camera.updateProjectionMatrix();
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windowHalfX = SCREEN_WIDTH / 2;
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windowHalfY = SCREEN_HEIGHT / 2;
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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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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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