perspective透视+rotate旋转实现的lowlow的翻书动画

迈不过友情╰ 2021-12-15 05:11 232阅读 0赞

### 鼠标悬停，书翻开 ###

**主要是学习css的perspective透视属性的衍生物**

*  perspective： none/ 具体数字（父元素）  
    近大远小  
    none: 表示没有3D透视  
    数字取值越大越接近none的效果，取值0时跟none也是一样的效果  
    **transform： perspective（200px）作用于子元素，跟上面父元素效果一样**  
    [https://www.jb51.net/css/462429.html][https_www.jb51.net_css_462429.html]
 *  perspective-origin源点角度，传入2个值，表示x轴和y轴（定义在父元素，设置了perspective的元素上）  
    **x: 数字，百分比，left， center， right**  
    **y:数字，百分比，top， center， bottom**  
    ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hhb3lhbnl1Xw_size_16_color_FFFFFF_t_70]
 *  HTML代码

<!DOCTYPE html>
    <html>
    	<head>
    		<meta charset="utf-8" />
    		<meta name="viewport" content="width=device-width, initial-scale=1">
    		<title>自己实现的翻书</title>
    		<link rel="stylesheet" href="./style.css">
    	</head>
    	<body>
    		<h4> 三部分 </h4>
    		<ol>
    			<li>封皮 cover </li>
    			<li>前面的页纸 front</li>
    			<li>后面的页纸 bottom</li>
    		</ol>
    		
    		<div class="fanshu">
    			<div id="book">
    				<ul class="bottom">
    					<li></li>
    					<li></li>
    					<li>hello world</li>
    				</ul>
    				<ul class="front">
    					<li>1</li>
    					<li>2</li>
    					<li>3</li>
    				</ul>
    				<ul class="cover"><li>这是个书皮</li></ul>
    				
    			</div>
    		</div>
    	</body>
    </html>

*  css部分

.fanshu { 
    	border: 1px solid #eee;
    	border-radius: 10px;
    	width:80%;
    	margin:10px auto;
    	min-height: 50vh;
    	box-shadow: 0 3px 8px #eee;
    }
    #book { 
    	position: relative;
    	width: 50%;
    	max-width: 250px;
    	height: 200px;
    	left: 50%;
    	top: 30px;
    	/* background: red; */
    }
    #book, ul, li { 
    	margin: 0;
    	padding: 0;
    	list-style: none;
    }
    ul { 
    	position: absolute;
    	top: 0;
    	left:0;
    	bottom:0;
    	width: 100%;
    	height: 100%;
    	/*-webkit-transform-style: preserve-3d; -moz-transform-style: preserve-3d; -o-transform-style: preserve-3d; transform-style: preserve-3d;*/
    	-webkit-perspective: 1000px;
    	-moz-perspective: 1000px;
    	-o-perspective: 1000px;
    	perspective: 1000px;
    	-webkit-perspective-origin: 50% 50%;
    	-moz-perspective-origin: 50% 50%;
    	-o-perspective-origin: 50% 50%;
    	perspective-origin:  50% 50%;
    	
    	/* background: purple; */
    }
    
    #book>ul>li { 
    	width:100%;
    	height: 100%;
    	left:0;
    	display: list-item;
    	text-align: center;
    	font-size: 38px;
    	
    	
    }
    .cover { 
    	width: 100%;
        height: 100%;
    	z-index: 2;
    }
    .cover>li { 
    	position: absolute;
    	left:0;
    	z-index: 1;
    	width: 100%;
        height: 100%;
    	background: yellowgreen;
    	border-left: 4px solid gray;
    	border-right: 4px solid gray;
    	-webkit-transform-origin:0 100%;
    	-moz-transform-origin:0 100%;
    	transform-origin:0 100%;
    	font-size: 40px;
    	padding-top: 60px;
    	box-sizing: border-box;
    	transform: rotateY(-40deg) translateZ(8px);
    	backface-visibility: hidden;
    }
    #book:hover>ul>li { 
    	-webkit-transform-origin:0 100%;
    	-moz-transform-origin:0 100%;
    	transform-origin:0 100%;
    }
    #book:hover > .cover { 
    	z-index: 1;
    	
    }
    #book:hover > .cover>li { 
    	transform: rotateY(-135deg);
    	transition-duration: 1.8s;
    }
    
    .front>li, .bottom>li { 
    	background: #fff;
    	position: absolute;
    	left: 0;
    	top:0;
    	transform-origin:0 100%;
    	transform: rotateY(-34deg) translateZ(8px);
    	border-radius: 0 5px 5px 0;
    	background: linear-gradient(to right, #e1ddd8 0%, #fffbf6 100%);
    	box-shadow: inset 0px -1px 2px rgba(50, 50, 50, 0.1), inset -1px 0px 1px rgba(150, 150, 150, 0.2);
    }
    .front { 
    	/* background: red; */
    	z-index: 1;
    	transform: rotateY(-34deg) translateZ(8px);
    }
    .front>li:nth-child(1) { 
    	transform: rotateY(-28deg);
    }
    .front>li:nth-child(2) { 
    	transform: rotateY(-30deg);
    }
    .front>li:nth-child(3) { 
    	transform: rotateY(-34deg);
    }
    /* 翻动时 */
    #book:hover > .front>li:nth-child(1) { 
    	transform: rotateY(-145deg);
    	transition-duration: 1.8s;
    }
    #book:hover > .front>li:nth-child(2) { 
    	transform: rotateY(-140deg);
    	transition-duration: 2.3s;
    }
    #book:hover > .front>li:nth-child(3) { 
    	transform: rotateY(-134deg);
    	transition-duration: 2.6s;
    }
    
    .bottom { 
    	z-index: 0;
    	transform: rotateY(-15deg) translateZ(-8px);
    }
    .bottom>li:nth-child(1) { 
    	transform: rotateY(-34deg);
    }
    .bottom>li:nth-child(2) { 
    	transform: rotateY(-36deg);
    }
    .bottom>li:nth-child(3) { 
    	transform: rotateY(-38deg);
    }
    
    #book:hover > .bottom>li:nth-child(1) { 
    	transform: rotateY(-40deg);
    	z-index: 0;
    	transition-duration: 1.4s;
    }
    #book:hover > .bottom>li:nth-child(2) { 
    	transform: rotateY(-45deg);
    	/* z-index: -1; */
    	transition-duration: 1.2s;
    }
    #book:hover > .bottom>li:nth-child(3) { 
    	transform: rotateY(-48deg);
    	/* z-index: -1; */
    	transition-duration: 1.1s;
    }

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hhb3lhbnl1Xw_size_16_color_FFFFFF_t_70 1]![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hhb3lhbnl1Xw_size_16_color_FFFFFF_t_70 2]

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[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hhb3lhbnl1Xw_size_16_color_FFFFFF_t_70]: /images/20211214/1e03f2476a1445279b0e8ac5aeb1e4f6.png
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[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hhb3lhbnl1Xw_size_16_color_FFFFFF_t_70 2]: /images/20211214/caa19790b039485f8797b24a0663efcc.png