原生js实现大转盘抽奖效果代码

代码语言:html

所属分类:大转盘

代码描述:原生js实现大转盘抽奖效果代码

代码标签: 原生 js 大转盘 抽奖

下面为部分代码预览,完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <meta content="email=no" name="format-detection">
    <meta content="telephone=no" name="format-detection">
    <meta name="msapplication-tap-highlight" content="no">
    <meta content="yes" name="apple-mobile-web-app-capable">
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
    <meta content="black" name="apple-mobile-web-app-status-bar-style">
    <meta content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=no" name="viewport">
    <link rel="shortcut icon" href="favicon.ico" type="image/x-icon" />

    <style>
        p,body{margin: 0;}
        .rui-luck-draw{
            width: 100vw;
            height: 100vh;
            position: fixed;
            top: 0;
            left: 0;
        }
        .rui-luck-content{
            height: 75vw;
            width: 75vw;
            max-width: 550px;
            max-height: 550px
        }
        .rui-luck-turntable,.rui-luck-pointer{
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%,-50%) rotate(0deg);
            transform-origin: center center;
            -webkit-transform-origin: center center;
            -moz-transform-origin: center center;
            -ms-transform-origin: center center;
            -o-transform-origin: center center;
        }
        .rui-luck-name{
            font-size: 16px;
            text-align: left;
            height: 30px;
            line-height: 30px;
            position: fixed;
            top: 0;
            left: 0;
            z-index: 100;
        }
        .rui-luck-name a{
            text-decoration: none;
            color: #777;
            padding: 0 20px;
        }
        .rui-luck-pointer{
            width: 27vw;
            height: 27vw;
            max-width: 205px;
            max-height: 205px
        }
    </style>
</head>
<body>
    <div class="rui-luck-draw">
       
        <div class="rui-luck-content">
            <div class="rui-luck-box">
                <img id="luckTurntable" src="//repo.bfw.wiki/bfwrepo/images/luky/turntable.png" alt="" class="rui-luck-content rui-luck-turntable">
                <img id="luckPointer" onclick="startRotate(this)" src="//repo.bfw.wiki/bfwrepo/images/luky/pointer.png" class="rui-luck-pointer"/>
            </div>
        </div>
    </div>

    <script>
    
(function (win) {
    function LuckDraw(opts) {
        this.defaultOPts = {
            pointerId: 'luckPointer',
            turntableId: 'luckTurntable',
            rotateId: 'luckTurntable',
            activeClass: 'rui-active',
            type: 'turntable',
            time: 2000,
            luckNumber: 4,
            typeNumber: 6,
            circleNumber: 10,
            success: function () { }
        };
        // 扩展defaultOPts对象
        for (var key in opts) {
            this.defaultOPts[key] = opts[key];
        }
        // 公用参数
        this.flag = true;
    }
    // 重置全局变量
    LuckDraw.prototype._resetVariable = function () {
        this.flag = true;
        this.index = 0;
        this.timer = null;
        this.endCircle = 1;
        this.span = 5;
        this.startTime = 20;
        this.degAverage = this._keepTwoDecimalFull(360 / this.defaultOPts.typeNumber);
        this.minDeg = this.degAverage * this.defaultOPts.luckNumber + this.degAverage / 4 - .........完整代码请登录后点击上方下载按钮下载查看

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