mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-12-25 12:23:49 +01:00
216 lines
5.4 KiB
HTML
216 lines
5.4 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 - materials - anisotropic texture filtering</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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color: #000;
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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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background-color: #fff;
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margin: 0px;
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padding: 0px;
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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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padding: 5px;
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z-index:100;
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}
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.lbl { color:#fff; font-size:16px; font-weight:bold; position: absolute; bottom:0px; z-index:100; text-shadow:#000 1px 1px 1px; background-color:rgba(0,0,0,0.85); padding:1em }
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#lbl_left { text-align:left; left:0px }
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#lbl_right { text-align:left; right:0px }
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.g { color:#aaa }
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.c { color:#fa0 }
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a { color:red }
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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: #777 !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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<div id="info">
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<a href="http://threejs.org" target="_blank">three.js</a> - anisotropic texture filtering example
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</div>
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<div id="lbl_left" class="lbl">
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anisotropy: <span class="c" id="val_left"></span><br/>
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</div>
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<div id="lbl_right" class="lbl">
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anisotropy: <span class="c" id="val_right"></span><br/>
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</div>
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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 SCREEN_WIDTH = window.innerWidth;
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var SCREEN_HEIGHT = window.innerHeight;
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var container,stats;
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var camera, scene1, scene2, renderer;
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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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renderer = new THREE.WebGLRenderer( { antialias: true } );
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//
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camera = new THREE.PerspectiveCamera( 35, SCREEN_WIDTH / SCREEN_HEIGHT, 1, 25000 );
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camera.position.z = 1500;
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scene1 = new THREE.Scene();
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scene2 = new THREE.Scene();
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scene1.fog = new THREE.Fog( 0xf2f7ff, 1, 25000 );
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scene2.fog = scene1.fog;
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scene1.add( new THREE.AmbientLight( 0xeef0ff ) );
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scene2.add( new THREE.AmbientLight( 0xeef0ff ) );
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var light1 = new THREE.DirectionalLight( 0xffffff, 2 );
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light1.position.set( 1, 1, 1 );
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scene1.add( light1 );
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var light2 = new THREE.DirectionalLight( 0xffffff, 2 );
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light2.position.set( 1, 1, 1 );
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scene2.add( light2 );
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// GROUND
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var maxAnisotropy = renderer.getMaxAnisotropy();
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var texture1 = THREE.ImageUtils.loadTexture( "textures/crate.gif" );
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var material1 = new THREE.MeshPhongMaterial( { color: 0xffffff, map: texture1 } );
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texture1.anisotropy = maxAnisotropy;
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texture1.wrapS = texture1.wrapT = THREE.RepeatWrapping;
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texture1.repeat.set( 512, 512 );
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var texture2 = THREE.ImageUtils.loadTexture( "textures/crate.gif" );
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var material2 = new THREE.MeshPhongMaterial( { color: 0xffffff, map: texture2 } );
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texture2.anisotropy = 1;
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texture2.wrapS = texture2.wrapT = THREE.RepeatWrapping;
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texture2.repeat.set( 512, 512 );
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if ( maxAnisotropy > 0 ) {
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document.getElementById( "val_left" ).innerHTML = texture1.anisotropy;
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document.getElementById( "val_right" ).innerHTML = texture2.anisotropy;
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} else {
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document.getElementById( "val_left" ).innerHTML = "not supported";
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document.getElementById( "val_right" ).innerHTML = "not supported";
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}
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//
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var geometry = new THREE.PlaneBufferGeometry( 100, 100 );
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var mesh1 = new THREE.Mesh( geometry, material1 );
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mesh1.rotation.x = - Math.PI / 2;
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mesh1.scale.set( 1000, 1000, 1000 );
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var mesh2 = new THREE.Mesh( geometry, material2 );
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mesh2.rotation.x = - Math.PI / 2;
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mesh2.scale.set( 1000, 1000, 1000 );
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scene1.add( mesh1 );
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scene2.add( mesh2 );
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// RENDERER
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renderer.setClearColor( scene1.fog.color );
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
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renderer.autoClear = false;
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renderer.domElement.style.position = "relative";
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container.appendChild( renderer.domElement );
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// STATS1
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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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}
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function onDocumentMouseMove(event) {
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mouseX = ( event.clientX - windowHalfX );
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mouseY = ( event.clientY - windowHalfY );
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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 = THREE.Math.clamp( camera.position.y + ( - ( mouseY - 200 ) - camera.position.y ) * .05, 50, 1000 );
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camera.lookAt( scene1.position );
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renderer.enableScissorTest( false );
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renderer.clear();
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renderer.enableScissorTest( true );
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renderer.setScissor( 0, 0, SCREEN_WIDTH/2 - 2, SCREEN_HEIGHT );
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renderer.render( scene1, camera );
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renderer.setScissor( SCREEN_WIDTH/2, 0, SCREEN_WIDTH/2 - 2, SCREEN_HEIGHT );
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renderer.render( scene2, camera );
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}
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</script>
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</body>
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</html>
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