今天写点css3，3d属性写的3d盒子，结合javascript让盒子随鼠标旋转起来
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.clientYdocument.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> 效果
