How to make a rotating 3D box with css3+javascript?-H5 Tutorial-php.cn

How to make a rotating 3D box with css3+javascript?

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Release： 2017-06-21 16:12:43

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Today I will write some css3, a 3d box written with 3d attributes, combined with javascript to make the box rotate with the mouse

今天带了css3新属性3d

<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style type="text/css">
			#a{
				width: 200px;
				height: 200px;
				margin: 200px auto;
				position:relative; /*给父元素相对定位*/
				transform-style: preserve-3d; /*父元素设为3d*/
			    　　 transform: perspective(1000px) rotateY(30deg) rotateX(30deg); /*设置父元素得景深*/
			}
			#a>div{
				position:absolute;/*盒子每面的默认样式*/
				width: 200px;
				height: 200px;
				border: 1px solid #000000;
				text-align: center;
				line-height: 200px;
			}
			#a>div:nth-child(1){
				transform: translateZ(100px);/*前面盒子宽为200px所以先向前位移100px*/
				background: rgba(0,0,255,0.2);
			}
			#a>div:nth-child(2){
				transform: translateZ(-100px);/*第二元素向后位移100px 这样盒子前后面就有了*/
				background: rgba(0,255,0,0.2);
			}
			#a>div:nth-child(3){
				transform: rotateX(90deg) translateZ(100px);/*第三个让他平躺下，也就是x轴旋转90°，旋转后在位移，这样就会向他面对的那面去位移*/
				background: rgba(255,0,0,0.2);
			}
			#a>div:nth-child(4){
				transform: rotateX(90deg) translateZ(-100px);
				background: rgba(255,255,0,0.2);
			}
			#a>div:nth-child(5){
				transform: rotateY(90deg) translateZ(-100px);
				background: rgba(0,255,255,0.2);
			}
/　　　　　　　　　　　　　　/*总结就是先旋转在位移，z轴就是div面向那面那面将会是z所以说先旋转在位移这样位移也就是100px 和 -100px 的事*/
			#a>div:nth-child(6){
				transform: rotateY(90deg) translateZ(100px);
				background: rgba();
			}
		</style>
	</head>
	<body>
		<div id="a">
			<div>前</div>
			<div>后</div>
			<div>上</div>
			<div>下</div>
			<div>左</div>
			<div>右</div>
		</div>
	</body>
	<script type="text/javascript">
		var a=document.getElementById("a")
		var x;
		var y;
		a.onmousedown=function(ev){ //在div上摁下时
			x=ev.clientX        //获取当前鼠标的位置
			y=ev.clientY
			document.onmousemove=function(ev){//鼠标移动时
				var x1=ev.clientX-x+30 //当前位置减去下时鼠标的位置，就获取移动了多少度，应为一开始有初始角度所以加30°
			   　　  var y1=ev.clientY-y-30
　　　　　　　　　　　　　　　　　　　　//甚至样式每次鼠标移动式更改样式
				a.style.transform="perspective(1000px) rotateY("+ x1 +"deg) rotateX("+ -(y1) +"deg)";
			}
			document.onmouseup=function(){
				document.onmousemove=null;
			}
		}
	</script>
</html>

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