js实现支持手机触摸操作的刮刮乐抽奖代码-html代码-BFW代码库

js实现支持手机触摸操作的刮刮乐抽奖代码

代码语言：html

所属分类：其他

代码描述：js实现支持手机触摸操作的刮刮乐抽奖代码

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">

<style>
    @import url("https://fonts.googleapis.com/css?family=Inconsolata:400,400i,700");
body{
    background-color: #E1F5FE;
}
#scratch-card {
    width: 400px;
    height: 300px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 10px 20px 40px rgba(0, 0, 0, 0.2);
    border-radius: 5px;
    background-color: white;
    background-image: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 56 28" width="56" height="28"%3E%3Cpath fill="%239C92AC" fill-opacity="0.4" d="M56 26v2h-7.75c2.3-1.27 4.94-2 7.75-2zm-26 2a2 2 0 1 0-4 0h-4.09A25.98 25.98 0 0 0 0 16v-2c.67 0 1.34.02 2 .07V14a2 2 0 0 0-2-2v-2a4 4 0 0 1 3.98 3.6 28.09 28.09 0 0 1 2.8-3.86A8 8 0 0 0 0 6V4a9.99 9.99 0 0 1 8.17 4.23c.94-.95 1.96-1.83 3.03-2.63A13.98 13.98 0 0 0 0 0h7.75c2 1.1 3.73 2.63 5.1 4.45 1.12-.72 2.3-1.37 3.53-1.93A20.1 20.1 0 0 0 14.28 0h2.7c.45.56.88 1.14 1.29 1.74 1.3-.48 2.63-.87 4-1.15-.11-.2-.23-.4-.36-.59H26v.07a28.4 28.4 0 0 1 4 0V0h4.09l-.37.59c1.38.28 2.72.67 4.01 1.15.4-.6.84-1.18 1.3-1.74h2.69a20.1 20.1 0 0 0-2.1 2.52c1.23.56 2.41 1.2 3.54 1.93A16.08 16.08 0 0 1 48.25 0H56c-4.58 0-8.65 2.2-11.2 5.6 1.07.8 2.09 1.68 3.03 2.63A9.99 9.99 0 0 1 56 4v2a8 8 0 0 0-6.77 3.74c1.03 1.2 1.97 2.5 2.79 3.86A4 4 0 0 1 56 10v2a2 2 0 0 0-2 2.07 28.4 28.4 0 0 1 2-.07v2c-9.2 0-17.3 4.78-21.91 12H30zM7.75 28H0v-2c2.81 0 5.46.73 7.75 2zM56 20v2c-5.6 0-10.65 2.3-14.28 6h-2.7c4.04-4.89 10.15-8 16.98-8zm-39.03 8h-2.69C10.65 24.3 5.6 22 0 22v-2c6.83 0 12.94 3.11 16.97 8zm15.01-.4a28.09 28.09 0 0 1 2.8-3.86 8 8 0 0 0-13.55 0c1.03 1.2 1.97 2.5 2.79 3.86a4 4 0 0 1 7.96 0zm14.29-11.86c1.3-.48 2.63-.87 4-1.15a25.99 25.99 0 0 0-44.55 0c1.38.28 2.72.67 4.01 1.15a21.98 21.98 0 0 1 36.54 0zm-5.43 2.71c1.13-.72 2.3-1.37 3.54-1.93a19.98 19.98 0 0 0-32.76 0c1.23.56 2.41 1.2 3.54 1.93a15.98 15.98 0 0 1 25.68 0zm-4.67 3.78c.94-.95 1.96-1.83 3.03-2.63a13.98 13.98 0 0 0-22.4 0c1.07.8 2.09 1.68 3.03 2.63a9.99 9.99 0 0 1 16.34 0z"%3E%3C/path%3E%3C/svg%3E');
}

#text-layer {
    font-family: 'Inconsolata',Arial, Helvetica, sans-serif;
    position: absolute;
    top: 100px;
    left: 200px;
    transform: translate(-50%, -50%);
    color: rgb(31, 30, 30);
    width: 90%;
    padding: 20px;
    text-align: center;
    -moz-user-select: none;
    user-select: none;   
}

#overlay-layer {
    position: absolute;
    z-index: 1000;
    cursor: grab;
}

.reset-btn {
    position: absolute;
    top: 110%;
    left: 50%;
    transform: translate(-50%,100%);
    padding:10px 20px;
    background:rgba(13, 115, 231, 0.932);
    color: white;
    cursor: pointer;
    border: none;
    border-radius: 3px;
}
</style>
</head>

<body>



        <div id="scratch-card">
            <h1 id="text-layer">
            </h1>
            <button class="reset-btn">
        Reset
    </button>
        </div>


    <script >
        
        const DOT_PATTERN = 'data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" width="8" height="8" viewBox="0 0 8 8"%3E%3Cg fill="%239C92AC" fill-opacity="0.4"%3E%3Cpath fill-rule="evenodd" d="M0 0h4v4H0V0zm4 4h4v4H4V4z"/%3E%3C/g%3E%3C/svg%3E';


function createCanvas(parent, id, width, height) {
    const canvas = { isDrawing: false, node: null };
    canvas.node = document.createElement('canvas');
    canvas.node.id = id;
    canvas.context = canvas.node.getContext('2d');
    canvas.node.width = width || 100;
    canvas.no.........完整代码请登录后点击上方下载按钮下载查看