鼠标划入元素中, 元素跟随鼠标方向变化展示3D 移动效果

最新推荐文章于 2025-04-18 16:47:52 发布

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最新推荐文章于 2025-04-18 16:47:52 发布

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分类专栏： CSS Js 文章标签： 3d javascript 前端

本文链接：https://blog.youkuaiyun.com/qq_45140694/article/details/126993240

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<!DOCTYPE html>
<html lang="zh">
<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></title>
</head>
<style type="text/css">
	body {
	    width: 100%;
	    height: 100%;
	    transform-style: preserve-3d;
	    perspective: 100px;// 使具有三维位置变换的元素产生透视效果。此处值越小 那么元素变化的幅度会越大
	    cursor: pointer;
	}
	
	div {
	    margin: auto;
	    width: 200px;
	    height: 200px;
	    background: #000000;
	    transform-style: preserve-3d;
	    transition: all .1s;
	}
</style>
<body>
	<div id="element">
		<!-- <img src="" alt=""> -->
		<!-- 此处可以添加 图片 鼠标划入可看到3D 的图片效果 -->
	</div>
	
	
	<script type="text/javascript">
		const multiple = 100;//此处值越小 那么元素变化的幅度会越大
		const mouseOverContainer = document.getElementsByTagName("body")[0];
		const element = document.getElementById("element");
		
		function transformElement(x, y) {
		  let box = element.getBoundingClientRect();
		  let calcX = -(y - box.y - (box.height / 2)) / multiple;
		  let calcY = (x - box.x - (box.width / 2)) / multiple;
		  
		  element.style.transform  = "rotateX("+ calcX +"deg) "
		                        + "rotateY("+ calcY +"deg)";
		}
		
		mouseOverContainer.addEventListener('mousemove', (e) => {
		  window.requestAnimationFrame(function(){
		    transformElement(e.clientX, e.clientY);
		  });
		});
		
		mouseOverContainer.addEventListener('mouseleave', (e) => {
		  window.requestAnimationFrame(function(){
		    element.style.transform = "rotateX(0) rotateY(0)";
		  });
		});
	</script>
</body>
</html>