How to implement image zoom |
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How to implement image zoom
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Method: 1. Use the "@keyframes animation name {}" rule and the "transform:scale (scale);" statement to create a zoom-in animation; 2. Use "picture element {animation: animation name time infinite ;}" statement scaling animation is applied to picture elements.
The operating environment of this tutorial: Windows 7 system, CSS3&&HTML5 version, Dell G3 computer. In CSS, you can use animation attributes, "@keyframes" rules, and transform: scale() to implement image zoom-in animation. Example 1: Copy after login/*css部分*/ @keyframes scaleDraw { /*定义关键帧、scaleDrew是需要绑定到选择器的关键帧名称*/ 0%{ transform: scale(1); /*开始为原始大小*/ } 25%{ transform: scale(1.1); /*放大1.1倍*/ } 50%{ transform: scale(1); } 75%{ transform: scale(1.1); } } .ballon{ width: 150px; height: 200px; background: url("images/balloon.png"); background-size: 150px 200px; -webkit-animation-name: scaleDraw; /*关键帧名称*/ -webkit-animation-timing-function: ease-in-out; /*动画的速度曲线*/ -webkit-animation-iteration-count: infinite; /*动画播放的次数*/ -webkit-animation-duration: 5s; /*动画所花费的时间*/ }Copy after loginThe above attributes can also be written together animation: scaleDraw 5s ease-in-out infinite; -webkit-animation: scaleDraw 5s ease-in-out infinite;Copy after loginEffect:
Example 2: 
Copy after login.live{
position: relative;
width: 100px;
height: 100px;
}
.live img{
width: 100px;
height: 100px;
z-index: 0;
}
@keyframes living {
0%{
transform: scale(1);
opacity: 0.5;
}
50%{
transform: scale(1.5);
opacity: 0; /*圆形放大的同时，透明度逐渐减小为0*/
}
100%{
transform: scale(1);
opacity: 0.5;
}
}
.live span{
position: absolute;
width: 100px;
height: 100px;
left: 0;
bottom: 0;
background: #fff;
border-radius: 50%;
-webkit-animation: living 3s linear infinite;
z-index: -1;
}
.live span:nth-child(2){
-webkit-animation-delay: 1.5s; /*第二个span动画延迟1.5秒*/
}Copy after login
The essence is to use the delay attribute of animation. The animation-related attributes of the two layers of circles are basically the same. In addition to the outermost circle, the animation-delay attribute is set (Learning video sharing: css video tutorial) The above is the detailed content of How to implement image zoom-in animation with css. For more information, please follow other related articles on the PHP Chinese website! |
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