CSS3 3d立方体/多棱柱-_css 实现3d柱子

作者：小蓝xlanll | 2024-02-16 21:19:17

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css 实现3d柱子

立方体：

<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style type="text/css">
			*{
				margin: 0;
				padding: 0;
			}
			#wrap{
				position: absolute;
				left: 0;
				top: 0;
				right: 0;
				bottom: 0;
				margin: auto;
				width: 300px;
				height: 300px;
				border: 1px solid;
				background: url(img/xfz.png) no-repeat;
				background-size:100% 100% ;
				perspective: 200px;
			}
			
			#wrap > .box{
				position: absolute;
				left: 0;
				top: 0;
				right: 0;
				bottom: 0;
				margin: auto;
				width: 100px;
				height: 100px;
				transition:3s ;
				transform-style: preserve-3d;
				transform-origin: center center -50px; 
			}
			#wrap > .box > div{
				position: absolute;
				width: 100px;
				height: 100px;
				background: rgba(123,321,333,.3);
				text-align: center;
				font: 50px/100px "微软雅黑";
				backface-visibility: hidden;
			}
			#wrap > .box > div:nth-child(5){
				transform-origin: bottom;
				transform: rotateX(90deg);
				top: -100px;
			}
			#wrap > .box > div:nth-child(6){
				transform-origin: top;
				transform: rotateX(-90deg);
				bottom: -100px;
			}
			#wrap > .box > div:nth-child(3){
				transform-origin: right;
				transform: rotateY(-90deg);
				left: -100px;
			}
			#wrap > .box > div:nth-child(4){
				transform-origin: left;
				transform: rotateY(90deg);
				right: -100px;
			}
			#wrap > .box > div:nth-child(2){
				transform: translateZ(-100px) rotateY(180deg);
			}
			#wrap > .box > div:nth-child(1){
				z-index: 1;
			}
			
			#wrap:hover .box{
				/*transform: rotateY(180deg);*/
				transform: rotate3d(1,2,3,720deg);
			}
		</style>
	</head>
	<body>
		<div id="wrap">
			<div class="box">
				<div>前</div>
				<div>后</div>
				<div>左</div>
				<div>右</div>
				<div>上</div>
				<div>下</div>
			</div>
		</div>
	</body>
</html>

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多棱柱：

<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style type="text/css">
			/*n边形的外角和为360  360/n
			n变形的内角 180 - 360/n*/
			*{
				margin: 0;
				padding: 0;
			}
			html,body{
				height: 100%;
				overflow: hidden;
			}
			
			#wrap{
				position: absolute;
				left: 0;
				top: 0;
				right: 0;
				bottom: 0;
				margin: auto;
				width: 300px;
				height: 300px;
				/*border: 1px solid;*/
				
				perspective: 1000px;
			}
			
			#wrap > .box{
				position: absolute;
				left: 0;
				top: 0;
				right: 0;
				bottom: 0;
				margin: auto;
				width: 300px;
				height: 300px;
				transition:10s transform;
				transform-style: preserve-3d;
				/*transform-origin: center center -28.867513459481287px;*/ 
			}
			#wrap > .box > div{
				position: absolute;
				width: 300px;
				height: 300px;
				background: pink;
				text-align: center;
				font: 50px/300px "微软雅黑";
				/*transform-origin: center center -28.867513459481287px;*/
				backface-visibility: hidden;
			}
			/*#wrap > .box > div:nth-child(3){
				transform: rotateY(240deg);
			}
			#wrap > .box > div:nth-child(2){
				transform: rotateY(120deg);
			}
			#wrap > .box > div:nth-child(1){
			}*/
			
			#wrap:hover > .box{
				transform: rotateY(360DEG);
			}
		</style>
	</head>
	<body>
		<div id="wrap">
			<div class="box">
			</div>
		</div>
	</body>
	<script type="text/javascript">
		
		//n：棱数
		window.onload=function(){
			createLZ(10);
		}
		
		function createLZ(n){
			var boxNode = document.querySelector("#wrap > .box");
			var stlyleNode = document.createElement("style");
			//外角
			var degOut = 360/n;
			//内角
			var degIn = 180 - 360/n;
			
			var text = "";
			var cssText = "";
			for(var i=0;i<n;i++){
				text+="<div>"+(i+1)+"</div>";
				cssText+="#wrap > .box > div:nth-child("+(i+1)+"){transform: rotateY("+(i*degOut)+"deg);}";
			}
			
			boxNode.innerHTML=text;
			var mianNode = document.querySelector("#wrap > .box > div");
			//棱长
			var length = mianNode.offsetWidth;
			
			cssText+="#wrap > .box{transform-origin: center center -"+(length/2 * Math.tan((degIn/2)*Math.PI/180))+"px;}";
			cssText+="#wrap > .box > div{transform-origin: center center -"+(length/2 * Math.tan((degIn/2)*Math.PI/180))+"px;}";
			
			
			stlyleNode.innerHTML=cssText;
			document.head.appendChild(stlyleNode);
		}
		
		
		
	</script>
</html>

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