利用css3和js实现旋转木马图片小demo

时间：2022-06-20 19:25:55

先看效果图：

利用css3和js实现旋转木马图片小demo

上源码

html代码

<!DOCTYPE html>

<html lang="en">

<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>Document</title>

    <link rel="stylesheet" href="./index.css">

</head>

<body>

    <div class="box">

        <img src="./img/1.png" alt="">

        <img src="./img/2.png" alt="">

        <img src="./img/3.png" alt="">

        <img src="./img/4.png" alt="">

        <img src="./img/5.png" alt="">

        <img src="./img/6.png" alt="">

        <img src="./img/1.png" alt="">

        <img src="./img/2.png" alt="">

        <img src="./img/3.png" alt="">

        <img src="./img/4.png" alt="">

        <img src="./img/5.png" alt="">

        <img src="./img/6.png" alt="">

    </div>

    <script src="./jquery-3.3.1.js"></script>

    <script src="./index.js"></script>

</body>

</html>

css代码

*{

    margin:0;

    padding:0;

}

html,body{

    width:100%;

    height:100%;

    background-image:radial-gradient(circle at center center,rgba(244,23,234,0.2),rgba(0,0,0));

    background-color:#000;

    overflow: hidden;

    perspective: 1000px;

}

.box{

    position: relative;

    width:120px;

    height:180px;

    margin:200px auto;

    transform-style:preserve-3d;

}

.box img{

    position: absolute;

    width:100%;

    height:100%;

    -webkit-box-reflect: below 10px -webkit-linear-gradient(top,rgba(0,0,0,0) 40%,rgba(0,0,0,0.5) 100%);   /*倒影*/

}

js(jquery)代码

window.onload = function () {

    var img = $('img');

    var len = img.length;

    var deg = 360 / len;

    for (var i = 0; i < len; i++) {

        $('img').eq(i).css({

            'transform': 'rotateY(' + i * deg + 'deg) translateZ(300px)',

            'transition': 'transform 0.5s linear ' + (len - 1 - i) * 0.1 + 's'

        }) //实现 刚开始的发牌效果。

    };

    bindEvent();

}

function bindEvent() {

    var box = $('.box');

    var body = $('body');

    var lastX, lastY, nowX, nowY, disX, disY;

    var roX = 0, roY = 0;

    var timer;

    body.on('mousedown', function (e) {

        clearInterval(timer);

        lastX = e.clientX;

        lastY = e.clientY;

        body.on('mousemove', function (e) {

            nowX = e.clientX;

            nowY = e.clientY;

            disX = nowX - lastX;

            disY = nowY - lastY;

            roX -= disY * 0.2;

            roY += disX * 0.2;

            roX = roX % 360;

            roY = roY % 360;

            box.css({

                'transform': 'rotateX(' + roX + 'deg) rotateY(' + roY + 'deg)',

            });

            lastX = nowX;

            lastY = nowY;

        })

        return false;

    }).on('mouseup', function () {

        body.off('mousemove');

        // 以下是缓冲

        timer = setInterval(function () {

            disX *= 0.95;

            disY *= 0.95;

            roX -= disY * 0.5;

            roY += disX * 0.5;

            roX = roX % 360;

            roY = roY % 360;

            box.css({

                'transform': 'rotateX(' + roX + 'deg) rotateY(' + roY + 'deg)',

            });

            if (Math.abs(disX) < 0.01 && Math.abs(disY) < 0.01) {

                clearInterval(timer);

            }

        }, 20);

    });

}

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