CSS3,transform3D立体可拖拽正方体实现原理

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今天咱们来说一下,CSS中的3D效果

.如果你把transform真的掌握的和纯熟的话,就可以直接通过CSS做出很多很炫酷的效果,甚至.轮播图和选项卡都可以通过CSS来做,咱们明天就说如何运用CSS来做轮播图,大家记得看哦!

很好,话不多说,翠花'上代码':

 1 <!DOCTYPE html>
 2 <html>
 3 <head>
 4     <meta charset="UTF-8">
 5     <title>ITandYT</title>
 6     <style type="text/css">
 7         #box{
 8             width: 200px;
 9             height: 200px;
10             margin: 200px auto;
11             position: relative;
12 
13             /*给父级设置3d空间*/
14             transform-style: preserve-3d;
15             /*设置景深*/
16             /*perspective: 800px;*/
17             transform: perspective(8000px) rotateY(-60deg) rotateX(30deg);
18         }
19 
20         #box div{
21             width: 100%;
22             height: 100%;
23             border: 1px solid black;
24             position: absolute;
25             opacity: 0.7;
26         }
27         /*前面*/
28         #box div:nth-child(1){
29             background: palegreen;
30             transform: translateZ(100px);
31         }
32         /*后面*/
33         #box div:nth-child(2){
34             background: palevioletred;
35             transform: translateZ(-100px);
36         }
37         /*左面*/
38         #box div:nth-child(3){
39             background: plum;
40             transform: translateX(-100px) rotateY(90deg);
41         }
42         /*右面*/
43         #box div:nth-child(4){
44             background: peru;
45             transform: translateX(100px) rotateY(90deg);
46         }
47         /*上面*/
48         #box div:nth-child(5){
49             background: palegoldenrod;
50             transform: translateY(-100px) rotateX(90deg);
51         }
52         /*下面*/
53         #box div:nth-child(6){
54             background: paleturquoise;
55             transform: translateY(100px) rotateX(90deg);
56         }
57         img{
58             width:200px;
59             height: 100%;
60         }
61     </style>
62 </head>
63 <body>
64 <div id="box">
65     <div><img src="010.jpg"/></div>
66     <div><img src="010.jpg"/> </div>
67     <div><img src="010.jpg"/> </div>
68     <div><img src="010.jpg"/> </div>
69     <div><img src="010.jpg"/> </div>
70     <div><img src="010.jpg"/> </div>
71 </div>
72 
73 <script type="text/javascript">
74 
75     // 获取元素
76     var oDiv = document.querySelector('#box');
77     var x = 30;
78     var y = -60;
79     oDiv.onmousedown = function(ev){
80         var event = window.event || ev;
81         var disY = event.clientX - y;
82         var disX = event.clientY - x;
83 
84         document.onmousemove = function(ev){
85             var event = window.event || ev;
86             // 计算偏移角度
87             x = event.clientY - disX;
88             y = event.clientX - disY;
89             oDiv.style.transform = 'perspective(800px) rotateY('+y+'deg) rotateX('+x+'deg)'
90         }
91         document.onmouseup = function(){
92             document.onmousemove = null;
93         }
94         return false;
95     }
96 
97 </script>
98 </body>
99 </html>