js实现canvas文字发光走光散光动画效果代码

代码语言:html

所属分类:动画

代码描述:js实现canvas文字发光走光散光动画效果代码

代码标签: 文字 发光 走光 散光 动画 效果

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>

<head>
    <meta charset="utf-8">
    <title></title>

    <style>
        body{
          background: #000;overflow: hidden
        }
    </style>
</head>

<body>

    <canvas id="canvas"></canvas>

    <script>
        var txt = "BFW";
        var txtH = 100;
        var font = "Arial";
        var bg = "#000";
        var rayColor1 = "#e0f7fa";
        var rayColor2 = "#18ffff";
        var fade = 1000;
        
        var canvas = document.getElementById("canvas");
        var ctx = canvas.getContext("2d");
        var cw = canvas.width = window.innerWidth;
        var ch = canvas.height = window.innerHeight;
        
        var w2 = cw/2;
        var h2 = ch/2;
        var pi = Math.PI;
        var pi2 = pi*.5;
  .........完整代码请登录后点击上方下载按钮下载查看

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