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331 lines
7.7 KiB
331 lines
7.7 KiB
/**
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* Created by liuligang on 2019/1/2.
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*/
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//建议值[16,9]
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var table = [];
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var maxCol = 16,maxRow=9;
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var camera, scene, renderer;
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var controls;
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var radius = 100, theta = 0;
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var objects = [];
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var targets = { table: [], sphere: [], helix: [], grid: [] };
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function initImg() {
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table.forEach(function(val,index){
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var element = document.createElement( 'div' );
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element.className = 'element';
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element.style.backgroundColor = 'rgba(0,127,127,' + ( Math.random() * 0.5 + 0.25 ) + ')';
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var a = document.createElement('a');
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a.href = val.resource;
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a.setAttribute('data-lightbox','roadtrip');
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a.setAttribute('title',a.href.substr(a.href.lastIndexOf('/')+1));
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var image=new Image();
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image.src=val.src;
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image.onload = function() {
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//scene.add( object );
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};
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//a.appendChild(image)
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element.appendChild( image );
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// element.setAttribute('style',"background-image: url(" + val.src + ")");
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a.appendChild(element);
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//var object = new THREE.CSS3DObject( element );
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var object = new THREE.CSS3DObject( a );
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object.position.x = Math.random() * 4000 - 2000;
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object.position.y = Math.random() * 4000 - 2000;
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object.position.z = Math.random() * 4000 - 2000;
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scene.add( object );
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objects.push( object );
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});
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}
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function init() {
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camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 10000 );
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camera.position.z = 3000;
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scene = new THREE.Scene();
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var col = 1, row = 1;
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initImg();
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//table
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for ( var i = 0, l = objects.length; i < l; i ++ ) {
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var object = new THREE.Object3D();
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object.position.x = (col++ * 181 ) - 1330;
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object.position.y = - (row * 120 ) + 990;
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if(col > maxCol){
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col = 1;
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row ++;
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}
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targets.table.push( object );
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}
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// sphere
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var vector = new THREE.Vector3();
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for ( var i = 0, l = objects.length; i < l; i ++ ) {
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var phi = Math.acos( -1 + ( 2 * i ) / l );
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var theta = Math.sqrt( l * Math.PI ) * phi;
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var object = new THREE.Object3D();
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object.position.x = 800 * Math.cos( theta ) * Math.sin( phi );
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object.position.y = 800 * Math.sin( theta ) * Math.sin( phi );
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object.position.z = 800 * Math.cos( phi );
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vector.copy( object.position ).multiplyScalar( 2 );
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object.lookAt( vector );
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targets.sphere.push( object );
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}
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// helix
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var vector = new THREE.Vector3();
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for ( var i = 0, l = objects.length; i < l; i ++ ) {
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//var phi = i * 0.175 + Math.PI;
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var phi = i * 0.205 + Math.PI;
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var object = new THREE.Object3D();
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object.position.x = 900 * Math.sin( phi );
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object.position.y = - ( i * 8 ) + 450;
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object.position.z = 900 * Math.cos( phi );
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vector.x = object.position.x * 2;
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vector.y = object.position.y;
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vector.z = object.position.z * 2;
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object.lookAt( vector );
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targets.helix.push( object );
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}
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// grid
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for ( var i = 0; i < objects.length; i ++ ) {
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var object = new THREE.Object3D();
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object.position.x = ( ( i % 5 ) * 400 ) - 800;
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object.position.y = ( - ( Math.floor( i / 5 ) % 5 ) * 400 ) + 800;
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object.position.z = ( Math.floor( i / 25 ) ) * 1000 - 2000;
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targets.grid.push( object );
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}
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//
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renderer = new THREE.CSS3DRenderer();
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renderer.setSize( window.innerWidth, window.innerHeight );
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renderer.domElement.style.position = 'absolute';
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document.getElementById( 'container' ).appendChild( renderer.domElement );
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//
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controls = new THREE.TrackballControls( camera, renderer.domElement );
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controls.rotateSpeed = 0.5;
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controls.minDistance = 500;
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controls.maxDistance = 6000;
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controls.addEventListener( 'change', render );
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var button = document.getElementById( 'table' );
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button.addEventListener( 'click', function ( event ) {
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transform( targets.table, 2000 );
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}, false );
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var button = document.getElementById( 'sphere' );
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button.addEventListener( 'click', function ( event ) {
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transform( targets.sphere, 2000 );
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}, false );
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var button = document.getElementById( 'helix' );
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button.addEventListener( 'click', function ( event ) {
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transform( targets.helix, 2000 );
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}, false );
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var button = document.getElementById( 'grid' );
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button.addEventListener( 'click', function ( event ) {
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transform( targets.grid, 2000 );
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}, false );
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//transform( targets.helix, 5000 );
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transform( targets.table, 2000 );
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//
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window.addEventListener( 'resize', onWindowResize, false );
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}
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function transform( targets, duration ) {
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TWEEN.removeAll();
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for ( var i = 0; i < objects.length; i ++ ) {
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var object = objects[ i ];
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var target = targets[ i ];
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new TWEEN.Tween( object.position )
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.to( { x: target.position.x, y: target.position.y, z: target.position.z }, Math.random() * duration + duration )
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.easing( TWEEN.Easing.Exponential.InOut )
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.start();
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new TWEEN.Tween( object.rotation )
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.to( { x: target.rotation.x, y: target.rotation.y, z: target.rotation.z }, Math.random() * duration + duration )
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.easing( TWEEN.Easing.Exponential.InOut )
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.start();
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}
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new TWEEN.Tween( this )
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.to( {}, duration * 2 )
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.onUpdate( render )
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.start();
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//*/
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}
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function onWindowResize() {
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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 animate() {
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requestAnimationFrame( animate );
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TWEEN.update();
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controls.update();
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// render();
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//move( -1 );
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}
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function render() {
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/*
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theta += 0.1;
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*/
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/*
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if (!isMove) {
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camera.position.x += Math.PI * 1;
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camera.position.y += 5;
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camera.position.z += 0.1;
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}
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camera.lookAt( scene.position );
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*/
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renderer.render( scene, camera );
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}
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/**
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** 控制自动旋转
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*/
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/*
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var isMove = false;
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document.onmousedown = function(e) {
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isMove = true;
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};
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document.onmouseup = function() {
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isMove = false;
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animate();
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}
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*/
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// 说明：用 JavaScript 实现网页图片等比例缩放
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function resizeImg(image,distWidth,distHeight)
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{
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srcWidth = image.width;
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srcHeight = image.height;
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var ratio = 1;
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if(srcWidth>0 && srcHeight>0)
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{
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if(srcWidth/srcHeight>= distWidth/distHeight)
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{
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if(srcWidth>distWidth)
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{
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ratio = distWidth/srcWidth;
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}
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}
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else
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{
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if(srcHeight>distHeight)
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{
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ratio = distHeight/srcHeight;
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}
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}
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}
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var width = srcWidth*ratio;
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var heigh = srcHeight*ratio;
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image.style.width = width.toString() + 'px';
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image.style.height = heigh.toString() + 'px';
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if(width < distWidth)
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image.style.paddingLeft = ((distWidth - width)/2).toString() + 'px';
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if(heigh < distHeight)
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image.style.paddingTop = ((distHeight - heigh)/2).toString() + 'px';
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}
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//获得指定文件夹图片名称列表，同时设置图片的位置
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function getImgs (uid){
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$.ajax({
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type: "GET",
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url: "/users/" + uid,
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//data: "",
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dataType: "json",
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success: function(data){
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// console.log(data);
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table = data;
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init();
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animate();
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},
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error: function(XMLHttpRequest, textStatus, errorThrown){
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console.error(XMLHttpRequest, textStatus, errorThrown);
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}
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});
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} |