• 小相册


    代码如下:
    
    <style>
          *{
             margin: 0;
             padding: 0;
          }
          html,body{
             width: 100%;
             height: 100%;
          }
          body{
             background:#1e1e1f;
             overflow:hidden;
          }
          .box{
             width: 100%;
             height: 100%;
             position: relative;
             transform-style: preserve-3d;
             transform:rotateX(-20deg) rotateY(0deg);
          }
          .box img{
             width: 300px;
             height: 200px;
             position: absolute;
             left: calc(50% - 150px);
             top: calc(50% - 100px);
             border: 5px solid #ffffff;
             user-select: none;
             -webkit-box-reflect:below 10px -webkit-linear-gradient(top,rgba(0,0,0,0) 50%,rgba(0,0,0,0.5) 100%);
          }
          #wrap p{
             width: 1200px;
             height: 1200px;
             background:-webkit-radial-gradient(center center,600px 600px,rgba(244,23,234,0.2),rgba(0,0,0,0));
             position: absolute;
             top:100%;left:50%;
             margin-top: -600px;
             margin-left: -600px;
             border-radius:600px;
             transform:rotateX(90deg);
          }
       </style>
    </head>
    <body >
       <div class="box" id="wrap">
          <img src="img/1.jpg" />
          <img src="img/2.jpg" />
          <img src="img/3.jpg" />
          <img src="img/4.jpg" />
          <img src="img/5.jpg" />
          <img src="img/6.jpg" />
          <p></P>
       </div>
    
    </body>
    <script>
       
       setTimeout(init,100);
       function init(){
          var imgArray = document.getElementsByTagName('img');
            var deg = 360/imgArray.length;//单位度数
            [].forEach.call(imgArray,function(node,index){
                // console.log(index*deg);//每张图片应该旋转的度数
                node.style.transform = "rotateY("+index*deg+"deg)translatez(350px)";//赋予给图片,并撑开350px
                node.style.transition = "1s "+(imgArray.length - index)*0.11+"s";
            });
    
            var newX,newY,pervX,pervY,minusX,minusY;
            var roY = 0 , roX = -10;
            var oWrap = document.getElementById("wrap");//通过id获取元素
            var timer;
            // 拖拽:三个事件-按下 移动 抬起
            //按下
            document.onmousedown = function(ev){
                ev = ev || window.event;
    
                //鼠标按下的时候,给前一点坐标赋值,为了避免第一次相减的时候出错
                lastX = ev.clientX;
                lastY = ev.clientY;
    
                //移动
                this.onmousemove = function(ev){
                    ev = ev || window.event;
    
                    clearInterval( timer );
    
                    nowX = ev.clientX; // clientX 鼠标距离页面左边的距离
                    nowY = ev.clientY; // clientY ………………………………顶部………………
    
                    //当前坐标和前一点坐标差值
                    minusX = nowX - lastX;
                    minusY = nowY - lastY;
    
                    //更新wrap的旋转角度,拖拽越快-> minus变化大 -> roY变化大 -> 旋转快
                    roY += minusX*0.2; // roY = roY + minusX*0.2;
                    roX -= minusY*0.1;
    
                    oWrap.style.transform = 'rotateX('+ roX +'deg) rotateY('+ roY +'deg)';
    
                    /*
                    //生成div,让div跟着鼠标动
                    var oDiv = document.createElement('div');
                    oDiv.style.cssText = '5px;height:5px;background:red;position:fixed;left:'+nowX+'px;top:'+nowY+'px';
                    this.body.appendChild(oDiv);
                    */
    
                    //前一点的坐标
                    lastX = nowX;
                    lastY = nowY;
    
                }
                //抬起
                this.onmouseup = function(){
                    this.onmousemove = null;
                    timer = setInterval(function(){
                        minusX *= 0.95;
                        minusY *= 0.95;
                        roY += minusX*0.2; // roY = roY + minusX*0.2;
                        roX -= minusY*0.1;
                        oWrap.style.transform = 'rotateX('+ roX +'deg) rotateY('+ roY +'deg)';
    
                        if ( Math.abs(minusX)<0.1 && Math.abs( minusY )<0.1 )
                        {
                            clearInterval( timer );
                        }
                        console.log( minusX );
                    },13);
                }
                return false;
            }
       };
    
    
    </script>
    好好学习,天天向上。
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  • 原文地址:https://www.cnblogs.com/f211/p/14027052.html
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