仿material点击波浪纹效果 css实现
分享一段css实现的material点击波浪纹效果，代码很简介，逻辑很清晰，觉得不错，拿来保存一下
没有动态图，复制到本地查看下吧
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>仿material点击波浪纹效果</title>
<script src="https://cdn.bootcss.com/jquery/1.12.4/jquery.min.js"></script>
<style>
ul {
font-size: 0;
position: relative;
padding: 0;
width: 480px;
margin: 40px auto;
user-select: none;
}
li {
display: inline-block;
width: 160px;
height: 60px;
background: #E95546;
font-size: 16px;
text-align: center;
line-height: 60px;
color: #fff;
text-transform: uppercase;
position: relative;
overflow: hidden;
cursor: pointer;
}
.slider {
display: block;
position: absolute;
bottom: 0;
left: 0;
height: 4px;
background: #4FC2E5;
transition: all 0.5s;
}
.ripple {
width: 0;
height: 0;
border-radius: 50%;
background: rgba(255, 255, 255, 0.4);
-webkit-transform: scale(0);
-ms-transform: scale(0);
transform: scale(0);
position: absolute;
opacity: 1;
}
.rippleEffect {
-webkit-animation: rippleDrop .4s linear;
animation: rippleDrop .4s linear;
}
@-webkit-keyframes rippleDrop {
100% {
-webkit-transform: scale(2);
transform: scale(2);
opacity: 0;
}
}
@keyframes rippleDrop {
100% {
-webkit-transform: scale(2);
transform: scale(2);
opacity: 0;
}
}
</style>
</head>
<body>
<ul>
<li>Tab One</li>
<li>Tab Two</li>
<li>Tab Three</li>
<li class="slider"></li>
</ul>
<script>
$("ul li").click(function (e) {
if ($(this).hasClass('slider')) {
return;
}
var whatTab = $(this).index();
var howFar = 160 * whatTab;
$(".slider").css({
left: howFar + "px"
});
$(".ripple").remove();
var posX = $(this).offset().left,
posY = $(this).offset().top,
buttonWidth = $(this).width(),
buttonHeight = $(this).height();
$(this).prepend("<span class='ripple'></span>");
if (buttonWidth >= buttonHeight) {
buttonHeight = buttonWidth;
} else {
buttonWidth = buttonHeight;
}
var x = e.pageX - posX - buttonWidth / 2;
var y = e.pageY - posY - buttonHeight / 2;
$(".ripple").css({
width: buttonWidth,
height: buttonHeight,
top: y + 'px',
left: x + 'px'
}).addClass("rippleEffect");
});
</script>
</body>
</html>