效果图：
move.gif
利用Tweenlite实现效果，此处不做过多解释，详情可参考https://www.jianshu.com/p/c0575e62463d
代码如下：
<!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>Document</title>
<style>
body,
html {
height: 100%;
}
body {
margin: 0;
width: 100%;
display: flex;
justify-content: center;
align-items: center;
}
.bck {
position: absolute;
width: 100%;
height: 100%;
overflow: hidden;
perspective: 3000px;
display: flex;
justify-content: center;
align-items: center;
}
.block {
width: 200px;
height: 200px;
position: relative;
opacity: 0.8;
cursor: pointer;
transition: opacity 0.5s;
border-radius: 50%;
background: rgb(30, 209, 194);
display: flex;
justify-content: center;
align-items: center;
box-shadow: 2px 2px 5px #ccc;
}
.text {
position: relative;
display: inline-block;
white-space: nowrap;
font-size: 3rem;
color: white;
text-shadow: 2px 2px 5px rgb(131, 131, 131);
}
</style>
</head>
<body>
<div class="bck">
<div class="block">
<h2 class="text">MOVE</h2>
</div>
</div>
</body>
<script src="js/TweenMax.min.js"></script>
<script>
//el 标签 shift 偏移量
function mouseMoveChange(el, shift) {
let _this = this;
let dt = document.querySelectorAll(el);
let w = window.innerWidth;
let h = window.innerHeight;
window.addEventListener("mousemove", function (e) {
let x = e.pageX - w / 2;
let y = e.pageY - h / 2;
// Back还可设定强度，如ease: Back.easeOut.config(1.7)
// Elastic还可设定强度，如ease: Elastic.easeOut.config(1, 0.3)
// SlowMo还可设定强度，如ease: SlowMo.ease.config(0.7, 0.7, false)
// SteppedEase还可设定阶数，如ease: SteppedEase.config(12)
TweenLite.to(dt, 0, {
ease: Linear,
left: -x / shift,
top: -y / shift
});
});
}
mouseMoveChange(".block", 20);
mouseMoveChange(".text", 50);
</script>
</html>
网友评论