新增第87个小实例：逼真的玻璃卡片悬停效果
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83. HTML5+CSS3+JS小实例：马赛克背景的按钮特效
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84. HTML5+CSS3小实例：翻书动画
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85. HTML5+CSS3小实例：莫比乌斯环loading动画
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86. HTML5+CSS3+JS小实例：滚动渐变导航栏
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86. HTML5+CSS3+JS小实例：滚动渐变导航栏
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87. HTML5+CSS3+JS小实例：逼真的玻璃卡片悬停效果
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/* 引入网络字体：Poppins */
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@import url("http://fonts.googleapis.com/css?family=Poppins:200,300,400,500,600,700,800,900&display=swap");
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*{
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/* 初始化 */
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margin: 0;
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padding: 0;
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box-sizing: border-box;
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/* 设置字体 */
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font-family: "Poppins";
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}
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body{
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/* 100%窗口高度 */
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min-height: 100vh;
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/* 弹性布局 水平+垂直居中 */
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display: flex;
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justify-content: center;
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align-items: center;
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background-color: #161626;
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}
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/* 给背景增加两个渐变圆 */
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body::before{
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content: "";
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/* 绝对定位 */
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position: absolute;
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top: 0;
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left: 0;
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width: 100%;
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height: 100%;
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/* 渐变背景 */
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background: linear-gradient(#2193b0,#6dd5ed);
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/* 将元素剪切微一个圆形【30%表示圆的直径】【right 70%表示圆心位置】 */
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clip-path: circle(30% at right 70%);
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}
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body::after{
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content: "";
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/* 绝对定位 */
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position: absolute;
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top: 0;
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left: 0;
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width: 100%;
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height: 100%;
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/* 渐变背景 */
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background: linear-gradient(#ee9ca7,#ffdde1);
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/* 将元素剪切微一个圆形【30%表示圆的直径】【right 70%表示圆心位置】 */
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clip-path: circle(20% at 10% 10%);
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}
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.container{
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position: relative;
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display: flex;
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justify-content: center;
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align-items: center;
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flex-wrap: wrap;
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z-index: 1;
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}
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.container .card{
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/* 相对定位 */
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position: relative;
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width: 280px;
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height: 400px;
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background-color: rgba(255,255,255,0.1);
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margin: 30px;
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border-radius: 15px;
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/* 阴影 */
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box-shadow: 20px 20px 50px rgba(0,0,0,0.5);
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/* 溢出隐藏 */
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overflow: hidden;
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display: flex;
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justify-content: center;
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align-items: center;
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border-top: 1px solid rgba(255,255,255,0.5);
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border-left: 1px solid rgba(255,255,255,0.5);
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/* 背景模糊 */
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backdrop-filter: blur(5px);
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}
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.container .card .content{
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padding: 20px;
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text-align: center;
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/* 默认下移+隐藏 */
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transform: translateY(100px);
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opacity: 0;
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transition: 0.5s;
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}
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.container .card:hover .content{
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/* 鼠标移入，上移+显示 */
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transform: translateY(0);
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opacity: 1;
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}
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.container .card .content h2{
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position: absolute;
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top: -80px;
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right: 25px;
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font-size: 128px;
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color: rgba(255,255,255,0.05);
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}
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.container .card .content h3{
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font-size: 28px;
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color: #fff;
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}
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.container .card .content p{
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font-size: 16px;
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color: #fff;
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font-weight: 300;
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margin: 10px 0 15px 0;
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}
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.container .card .content a{
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position: relative;
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display: inline-block;
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padding: 8px 20px;
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margin-top: 15px;
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background-color: #fff;
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color: #000;
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text-decoration: none;
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border-radius: 20px;
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font-weight: 500;
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box-shadow: 0 5px 15px rgba(0,0,0,0.2);
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}
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/* 这里要让玻璃效果更加逼真，需要用到一个JS库：vanilla-tilt.js */
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/* 我事先下载好了，需要这个JS库的可以找我拿 */
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/* 看操作~ */
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<!DOCTYPE html>
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=utf-8">
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<meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no">
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<title>逼真的玻璃卡片悬停效果</title>
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<link rel="stylesheet" href="../css/87.css">
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</head>
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<body>
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<div class="container">
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<div class="card">
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<div class="content">
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<h2>01</h2>
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<h3>Card One</h3>
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<p>Realistic glass card hover effect, realistic glass card hover effect, realistic glass card hover effect.</p>
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<a href="#">Read More</a>
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</div>
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</div>
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<div class="card">
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<div class="content">
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<h2>02</h2>
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<h3>Card Two</h3>
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<p>Realistic glass card hover effect, realistic glass card hover effect, realistic glass card hover effect.</p>
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<a href="#">Read More</a>
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</div>
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</div>
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<div class="card">
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<div class="content">
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<h2>03</h2>
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<h3>Card Three</h3>
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<p>Realistic glass card hover effect, realistic glass card hover effect, realistic glass card hover effect, realistic glass card hover effect.</p>
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<a href="#">Read More</a>
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</div>
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</div>
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</div>
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<script src="../js/vanilla-tilt.js"></script>
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<script>
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// vanilla-tilt.js是一个平滑的3D倾斜JS库，具体参数配置度娘可查到
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VanillaTilt.init(document.querySelectorAll(".card"),{
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max: 15, //最大倾斜度数
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speed: 400, //倾斜转换的速度
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glare: true, //是否开启眩光效果
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"max-glare": 1 //最大眩光的不透明度
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})
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</script>
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</body>
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</html>
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var VanillaTilt = (function () {
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'use strict';
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/**
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* Created by Sergiu Șandor (micku7zu) on 1/27/2017.
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* Original idea: https://github.com/gijsroge/tilt.js
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* MIT License.
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* Version 1.7.2
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*/
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class VanillaTilt {
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constructor(element, settings = {}) {
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if (!(element instanceof Node)) {
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throw ("Can't initialize VanillaTilt because " + element + " is not a Node.");
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}
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this.width = null;
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this.height = null;
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this.clientWidth = null;
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this.clientHeight = null;
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this.left = null;
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this.top = null;
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// for Gyroscope sampling
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this.gammazero = null;
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this.betazero = null;
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this.lastgammazero = null;
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this.lastbetazero = null;
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this.transitionTimeout = null;
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this.updateCall = null;
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this.event = null;
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this.updateBind = this.update.bind(this);
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this.resetBind = this.reset.bind(this);
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this.element = element;
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this.settings = this.extendSettings(settings);
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this.reverse = this.settings.reverse ? -1 : 1;
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this.glare = VanillaTilt.isSettingTrue(this.settings.glare);
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this.glarePrerender = VanillaTilt.isSettingTrue(this.settings["glare-prerender"]);
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this.fullPageListening = VanillaTilt.isSettingTrue(this.settings["full-page-listening"]);
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this.gyroscope = VanillaTilt.isSettingTrue(this.settings.gyroscope);
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this.gyroscopeSamples = this.settings.gyroscopeSamples;
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this.elementListener = this.getElementListener();
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if (this.glare) {
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this.prepareGlare();
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}
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if (this.fullPageListening) {
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this.updateClientSize();
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}
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this.addEventListeners();
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this.reset();
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this.updateInitialPosition();
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}
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static isSettingTrue(setting) {
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return setting === "" || setting === true || setting === 1;
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}
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/**
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* Method returns element what will be listen mouse events
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* @return {Node}
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*/
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getElementListener() {
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if (this.fullPageListening) {
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return window.document;
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}
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if (typeof this.settings["mouse-event-element"] === "string") {
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const mouseEventElement = document.querySelector(this.settings["mouse-event-element"]);
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if (mouseEventElement) {
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return mouseEventElement;
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}
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}
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if (this.settings["mouse-event-element"] instanceof Node) {
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return this.settings["mouse-event-element"];
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}
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return this.element;
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}
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/**
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* Method set listen methods for this.elementListener
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* @return {Node}
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*/
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addEventListeners() {
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this.onMouseEnterBind = this.onMouseEnter.bind(this);
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this.onMouseMoveBind = this.onMouseMove.bind(this);
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this.onMouseLeaveBind = this.onMouseLeave.bind(this);
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this.onWindowResizeBind = this.onWindowResize.bind(this);
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this.onDeviceOrientationBind = this.onDeviceOrientation.bind(this);
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this.elementListener.addEventListener("mouseenter", this.onMouseEnterBind);
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this.elementListener.addEventListener("mouseleave", this.onMouseLeaveBind);
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this.elementListener.addEventListener("mousemove", this.onMouseMoveBind);
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if (this.glare || this.fullPageListening) {
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window.addEventListener("resize", this.onWindowResizeBind);
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}
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if (this.gyroscope) {
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window.addEventListener("deviceorientation", this.onDeviceOrientationBind);
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}
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}
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/**
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* Method remove event listeners from current this.elementListener
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*/
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removeEventListeners() {
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this.elementListener.removeEventListener("mouseenter", this.onMouseEnterBind);
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this.elementListener.removeEventListener("mouseleave", this.onMouseLeaveBind);
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this.elementListener.removeEventListener("mousemove", this.onMouseMoveBind);
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if (this.gyroscope) {
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window.removeEventListener("deviceorientation", this.onDeviceOrientationBind);
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}
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if (this.glare || this.fullPageListening) {
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window.removeEventListener("resize", this.onWindowResizeBind);
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}
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}
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destroy() {
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clearTimeout(this.transitionTimeout);
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if (this.updateCall !== null) {
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cancelAnimationFrame(this.updateCall);
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}
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this.reset();
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this.removeEventListeners();
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this.element.vanillaTilt = null;
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delete this.element.vanillaTilt;
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this.element = null;
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}
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onDeviceOrientation(event) {
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if (event.gamma === null || event.beta === null) {
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return;
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}
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this.updateElementPosition();
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if (this.gyroscopeSamples > 0) {
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this.lastgammazero = this.gammazero;
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this.lastbetazero = this.betazero;
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if (this.gammazero === null) {
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this.gammazero = event.gamma;
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this.betazero = event.beta;
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} else {
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this.gammazero = (event.gamma + this.lastgammazero) / 2;
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this.betazero = (event.beta + this.lastbetazero) / 2;
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}
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this.gyroscopeSamples -= 1;
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}
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const totalAngleX = this.settings.gyroscopeMaxAngleX - this.settings.gyroscopeMinAngleX;
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const totalAngleY = this.settings.gyroscopeMaxAngleY - this.settings.gyroscopeMinAngleY;
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const degreesPerPixelX = totalAngleX / this.width;
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const degreesPerPixelY = totalAngleY / this.height;
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const angleX = event.gamma - (this.settings.gyroscopeMinAngleX + this.gammazero);
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const angleY = event.beta - (this.settings.gyroscopeMinAngleY + this.betazero);
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const posX = angleX / degreesPerPixelX;
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const posY = angleY / degreesPerPixelY;
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if (this.updateCall !== null) {
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cancelAnimationFrame(this.updateCall);
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}
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this.event = {
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clientX: posX + this.left,
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clientY: posY + this.top,
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};
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this.updateCall = requestAnimationFrame(this.updateBind);
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}
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onMouseEnter() {
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this.updateElementPosition();
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this.element.style.willChange = "transform";
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this.setTransition();
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}
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onMouseMove(event) {
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if (this.updateCall !== null) {
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cancelAnimationFrame(this.updateCall);
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}
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this.event = event;
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this.updateCall = requestAnimationFrame(this.updateBind);
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}
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onMouseLeave() {
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this.setTransition();
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if (this.settings.reset) {
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requestAnimationFrame(this.resetBind);
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}
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}
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reset() {
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this.event = {
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clientX: this.left + this.width / 2,
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clientY: this.top + this.height / 2
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};
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if (this.element && this.element.style) {
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this.element.style.transform = `perspective(${this.settings.perspective}px) ` +
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`rotateX(0deg) ` +
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`rotateY(0deg) ` +
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`scale3d(1, 1, 1)`;
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}
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this.resetGlare();
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}
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resetGlare() {
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if (this.glare) {
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this.glareElement.style.transform = "rotate(180deg) translate(-50%, -50%)";
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this.glareElement.style.opacity = "0";
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}
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}
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updateInitialPosition() {
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if (this.settings.startX === 0 && this.settings.startY === 0) {
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return;
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}
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this.onMouseEnter();
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if (this.fullPageListening) {
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this.event = {
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clientX: (this.settings.startX + this.settings.max) / (2 * this.settings.max) * this.clientWidth,
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clientY: (this.settings.startY + this.settings.max) / (2 * this.settings.max) * this.clientHeight
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};
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} else {
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this.event = {
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clientX: this.left + ((this.settings.startX + this.settings.max) / (2 * this.settings.max) * this.width),
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clientY: this.top + ((this.settings.startY + this.settings.max) / (2 * this.settings.max) * this.height)
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};
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}
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let backupScale = this.settings.scale;
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this.settings.scale = 1;
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this.update();
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this.settings.scale = backupScale;
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this.resetGlare();
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}
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getValues() {
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let x, y;
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if (this.fullPageListening) {
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x = this.event.clientX / this.clientWidth;
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y = this.event.clientY / this.clientHeight;
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} else {
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x = (this.event.clientX - this.left) / this.width;
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y = (this.event.clientY - this.top) / this.height;
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}
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x = Math.min(Math.max(x, 0), 1);
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y = Math.min(Math.max(y, 0), 1);
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let tiltX = (this.reverse * (this.settings.max - x * this.settings.max * 2)).toFixed(2);
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let tiltY = (this.reverse * (y * this.settings.max * 2 - this.settings.max)).toFixed(2);
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let angle = Math.atan2(this.event.clientX - (this.left + this.width / 2), -(this.event.clientY - (this.top + this.height / 2))) * (180 / Math.PI);
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return {
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tiltX: tiltX,
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tiltY: tiltY,
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percentageX: x * 100,
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percentageY: y * 100,
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angle: angle
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};
|
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}
|
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updateElementPosition() {
|
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let rect = this.element.getBoundingClientRect();
|
||||
|
||||
this.width = this.element.offsetWidth;
|
||||
this.height = this.element.offsetHeight;
|
||||
this.left = rect.left;
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this.top = rect.top;
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}
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update() {
|
||||
let values = this.getValues();
|
||||
|
||||
this.element.style.transform = "perspective(" + this.settings.perspective + "px) " +
|
||||
"rotateX(" + (this.settings.axis === "x" ? 0 : values.tiltY) + "deg) " +
|
||||
"rotateY(" + (this.settings.axis === "y" ? 0 : values.tiltX) + "deg) " +
|
||||
"scale3d(" + this.settings.scale + ", " + this.settings.scale + ", " + this.settings.scale + ")";
|
||||
|
||||
if (this.glare) {
|
||||
this.glareElement.style.transform = `rotate(${values.angle}deg) translate(-50%, -50%)`;
|
||||
this.glareElement.style.opacity = `${values.percentageY * this.settings["max-glare"] / 100}`;
|
||||
}
|
||||
|
||||
this.element.dispatchEvent(new CustomEvent("tiltChange", {
|
||||
"detail": values
|
||||
}));
|
||||
|
||||
this.updateCall = null;
|
||||
}
|
||||
|
||||
/**
|
||||
* Appends the glare element (if glarePrerender equals false)
|
||||
* and sets the default style
|
||||
*/
|
||||
prepareGlare() {
|
||||
// If option pre-render is enabled we assume all html/css is present for an optimal glare effect.
|
||||
if (!this.glarePrerender) {
|
||||
// Create glare element
|
||||
const jsTiltGlare = document.createElement("div");
|
||||
jsTiltGlare.classList.add("js-tilt-glare");
|
||||
|
||||
const jsTiltGlareInner = document.createElement("div");
|
||||
jsTiltGlareInner.classList.add("js-tilt-glare-inner");
|
||||
|
||||
jsTiltGlare.appendChild(jsTiltGlareInner);
|
||||
this.element.appendChild(jsTiltGlare);
|
||||
}
|
||||
|
||||
this.glareElementWrapper = this.element.querySelector(".js-tilt-glare");
|
||||
this.glareElement = this.element.querySelector(".js-tilt-glare-inner");
|
||||
|
||||
if (this.glarePrerender) {
|
||||
return;
|
||||
}
|
||||
|
||||
Object.assign(this.glareElementWrapper.style, {
|
||||
"position": "absolute",
|
||||
"top": "0",
|
||||
"left": "0",
|
||||
"width": "100%",
|
||||
"height": "100%",
|
||||
"overflow": "hidden",
|
||||
"pointer-events": "none"
|
||||
});
|
||||
|
||||
Object.assign(this.glareElement.style, {
|
||||
"position": "absolute",
|
||||
"top": "50%",
|
||||
"left": "50%",
|
||||
"pointer-events": "none",
|
||||
"background-image": `linear-gradient(0deg, rgba(255,255,255,0) 0%, rgba(255,255,255,1) 100%)`,
|
||||
"transform": "rotate(180deg) translate(-50%, -50%)",
|
||||
"transform-origin": "0% 0%",
|
||||
"opacity": "0",
|
||||
});
|
||||
|
||||
this.updateGlareSize();
|
||||
}
|
||||
|
||||
updateGlareSize() {
|
||||
if (this.glare) {
|
||||
const glareSize = (this.element.offsetWidth > this.element.offsetHeight ? this.element.offsetWidth : this.element.offsetHeight) * 2;
|
||||
|
||||
Object.assign(this.glareElement.style, {
|
||||
"width": `${glareSize}px`,
|
||||
"height": `${glareSize}px`,
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
updateClientSize() {
|
||||
this.clientWidth = window.innerWidth
|
||||
|| document.documentElement.clientWidth
|
||||
|| document.body.clientWidth;
|
||||
|
||||
this.clientHeight = window.innerHeight
|
||||
|| document.documentElement.clientHeight
|
||||
|| document.body.clientHeight;
|
||||
}
|
||||
|
||||
onWindowResize() {
|
||||
this.updateGlareSize();
|
||||
this.updateClientSize();
|
||||
}
|
||||
|
||||
setTransition() {
|
||||
clearTimeout(this.transitionTimeout);
|
||||
this.element.style.transition = this.settings.speed + "ms " + this.settings.easing;
|
||||
if (this.glare) this.glareElement.style.transition = `opacity ${this.settings.speed}ms ${this.settings.easing}`;
|
||||
|
||||
this.transitionTimeout = setTimeout(() => {
|
||||
this.element.style.transition = "";
|
||||
if (this.glare) {
|
||||
this.glareElement.style.transition = "";
|
||||
}
|
||||
}, this.settings.speed);
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Method return patched settings of instance
|
||||
* @param {boolean} settings.reverse - reverse the tilt direction
|
||||
* @param {number} settings.max - max tilt rotation (degrees)
|
||||
* @param {startX} settings.startX - the starting tilt on the X axis, in degrees. Default: 0
|
||||
* @param {startY} settings.startY - the starting tilt on the Y axis, in degrees. Default: 0
|
||||
* @param {number} settings.perspective - Transform perspective, the lower the more extreme the tilt gets
|
||||
* @param {string} settings.easing - Easing on enter/exit
|
||||
* @param {number} settings.scale - 2 = 200%, 1.5 = 150%, etc..
|
||||
* @param {number} settings.speed - Speed of the enter/exit transition
|
||||
* @param {boolean} settings.transition - Set a transition on enter/exit
|
||||
* @param {string|null} settings.axis - What axis should be disabled. Can be X or Y
|
||||
* @param {boolean} settings.glare - What axis should be disabled. Can be X or Y
|
||||
* @param {number} settings.max-glare - the maximum "glare" opacity (1 = 100%, 0.5 = 50%)
|
||||
* @param {boolean} settings.glare-prerender - false = VanillaTilt creates the glare elements for you, otherwise
|
||||
* @param {boolean} settings.full-page-listening - If true, parallax effect will listen to mouse move events on the whole document, not only the selected element
|
||||
* @param {string|object} settings.mouse-event-element - String selector or link to HTML-element what will be listen mouse events
|
||||
* @param {boolean} settings.reset - false = If the tilt effect has to be reset on exit
|
||||
* @param {gyroscope} settings.gyroscope - Enable tilting by deviceorientation events
|
||||
* @param {gyroscopeSensitivity} settings.gyroscopeSensitivity - Between 0 and 1 - The angle at which max tilt position is reached. 1 = 90deg, 0.5 = 45deg, etc..
|
||||
* @param {gyroscopeSamples} settings.gyroscopeSamples - How many gyroscope moves to decide the starting position.
|
||||
*/
|
||||
extendSettings(settings) {
|
||||
let defaultSettings = {
|
||||
reverse: false,
|
||||
max: 15,
|
||||
startX: 0,
|
||||
startY: 0,
|
||||
perspective: 1000,
|
||||
easing: "cubic-bezier(.03,.98,.52,.99)",
|
||||
scale: 1,
|
||||
speed: 300,
|
||||
transition: true,
|
||||
axis: null,
|
||||
glare: false,
|
||||
"max-glare": 1,
|
||||
"glare-prerender": false,
|
||||
"full-page-listening": false,
|
||||
"mouse-event-element": null,
|
||||
reset: true,
|
||||
gyroscope: true,
|
||||
gyroscopeMinAngleX: -45,
|
||||
gyroscopeMaxAngleX: 45,
|
||||
gyroscopeMinAngleY: -45,
|
||||
gyroscopeMaxAngleY: 45,
|
||||
gyroscopeSamples: 10
|
||||
};
|
||||
|
||||
let newSettings = {};
|
||||
for (var property in defaultSettings) {
|
||||
if (property in settings) {
|
||||
newSettings[property] = settings[property];
|
||||
} else if (this.element.hasAttribute("data-tilt-" + property)) {
|
||||
let attribute = this.element.getAttribute("data-tilt-" + property);
|
||||
try {
|
||||
newSettings[property] = JSON.parse(attribute);
|
||||
} catch (e) {
|
||||
newSettings[property] = attribute;
|
||||
}
|
||||
|
||||
} else {
|
||||
newSettings[property] = defaultSettings[property];
|
||||
}
|
||||
}
|
||||
|
||||
return newSettings;
|
||||
}
|
||||
|
||||
static init(elements, settings) {
|
||||
if (elements instanceof Node) {
|
||||
elements = [elements];
|
||||
}
|
||||
|
||||
if (elements instanceof NodeList) {
|
||||
elements = [].slice.call(elements);
|
||||
}
|
||||
|
||||
if (!(elements instanceof Array)) {
|
||||
return;
|
||||
}
|
||||
|
||||
elements.forEach((element) => {
|
||||
if (!("vanillaTilt" in element)) {
|
||||
element.vanillaTilt = new VanillaTilt(element, settings);
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
if (typeof document !== "undefined") {
|
||||
/* expose the class to window */
|
||||
window.VanillaTilt = VanillaTilt;
|
||||
|
||||
/**
|
||||
* Auto load
|
||||
*/
|
||||
VanillaTilt.init(document.querySelectorAll("[data-tilt]"));
|
||||
}
|
||||
|
||||
return VanillaTilt;
|
||||
|
||||
}());
|
||||
Loading…
Reference in New Issue