Canvas雨滴落在玻璃屏幕模糊背景动画效果基于HTML5 Canvas和rainyday.js插件制作，两种雨滴模糊背景动画效果，一种是雨滴倾斜落在玻璃屏幕上，另一种是雨滴垂直落在玻璃屏幕上。-Canvas Raindrops falling glass screen blurred background animation effects based on HTML5 Canvas and rainyday.js plug-in to both raindrops blurred background animation effects, one is inclined raindrops falling on a glass screen, the other is on the vertical falling raindrop glass screen .