JS插件

Wesley13
• 阅读 451

rainyday.js

JS插件

效果也是够帅,设计达人中有介绍。

效果演示 代码分析

<style media="screen" type="text/css">
            img { display: none; }
            body { overflow: hidden; }
            #canvas { position: absolute; top: 0px; left: 0px; }
        </style>
        <script src="js/rainyday.js" type="text/javascript"></script>
        <script type="text/javascript">
             function demo() {
                var engine = new RainyDay('canvas','demo2', window.innerWidth, window.innerHeight);
                     engine.gravity = engine.GRAVITY_NON_LINEAR;
                     engine.trail = engine.TRAIL_DROPS;
                     engine.VARIABLE_GRAVITY_ANGLE = Math.PI / 8;
                    engine.rain([
                        engine.preset(0, 2, 0.5),
                        engine.preset(4, 4, 1)
                    ], 50);
             }
        </script>

只需要在头部加上代码然后再body onload就可以

然而我下载的图片只能用BASE64图片编码,这跟的src一大串,还好有个在线图片转码工具:link

编码BASE64 

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