JS 黑客帝国文字下落效果

时间：2021-05-31 03:17:31

黑客帝国文字下落效果

JS 黑客帝国文字下落效果

源代码如下：

<!DOCTYPE html>

<html>

    <head>

        <meta charset="utf-8">

        <title>黑客帝国文字下落</title>

        <style>

        html, body {margin:0; padding:0; background-color:#000;}

        #divList {width:800px; height:500px; border:solid 3px gray; margin: 0px auto; overflow:hidden; position: relative;}

        .divText {position: absolute;}

        .divText span {display:block; font-weight: bold; font-family:Courier New; }

        </style>

        <script src="http://apps.bdimg.com/libs/jquery/1.9.0/jquery.min.js"></script>

    </head>

    <body>

    <h1 style="text-align:center; color:gray;">黑客帝国文字下落 (<span id="spanCount">0</span>)</h1>

    <div id="divList">

    </div>

    <script>

    function rand(min, max)

    {

        return min + Math.round(Math.random() * (max - min));

    }

    function add()

    {

        var x = rand(0, 800);

        var html = '<div class="divText" style="left:' + x + 'px; bottom:500px;">';

        /*

        var color1 = [];

        var color2 = [];

        var color3 = [];

        var color4 = [];

        var color5 = [];

        var color6 = [];

        for (var i=1; i<17; i++)

        {

            var f = i.toString(16);

            color1.push('0' + f + '0');

            color2.push(f + '00');

            color3.push('00' + f);

            color4.push('0' + f + f);

            color5.push(f + f + '0');

            color6.push(f + '0' + f);

        }

        var color = [color1, color2, color3, color4, color5, color6];

        var ci = rand(0, 5);

        */

        var color = [];

        for (var i=1; i<17; i++)

        {

            var f = i.toString(16);

            color.push('0' + f + '0');

        }

        var fontSize = rand(9, 24);

        for (var i=1; i<17; i++)

        {

            var c = rand(33, 127);

            var c = String.fromCharCode(c);

            // html += '<span class="s' + i + '" style="color:#' + color[ci][i-1] + '; font-size:' + fontSize + 'px;">' + c + '</span>';

            html += '<span class="s' + i + '" style="color:#' + color[i-1] + '; font-size:' + fontSize + 'px; text-shadow:0px 0px 10px #' + color[i-1] + ';">' + c + '</span>';

        }

        html += '</div>';

        $('#divList').append(html);

    }

    function run()

    {

        var x = rand(0, 100);

        if (x < 100)

        {

            add();

        }

        $('#spanCount').html($('.divText').size());

        $('.divText').each(function(){

            var y = $(this).css('bottom');

            y = parseInt(y);

            y -= $(this).find('span').eq(0).height();

            $(this).css('bottom', '' + y + 'px');

            if (y + $(this).height() <= 0)

            {

                $(this).remove();

                return;

            }

            $(this).find('span').each(function(){

                var c = rand(33, 127);

                var c = String.fromCharCode(c);

                $(this).html(c);

            });

        });

        window.setTimeout(run, 100);

    }

    run();

    </script>

    </body>

</html>

下载地址：http://files.cnblogs.com/zjfree/hk_text1.zip

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