A simple script for simulating raindrops falling on a glass surface.
For demos and more information see the project page.
var engine = new RainyDay({
image: element, // Image element
// This value is required
parentElement: someDiv, // Element to be used as a parent for the canvas
// If not provided assuming the 'body' element
crop: [0, 0, 50, 60], // Coordinates if only a part of the image should be used
// If not provided entire image will be used
blur: 10, // Defines blur due to rain effect
// Assuming 10 if not provided
// Use 0 value to disable the blur
opacity: 1 // Opacity of rain drops
// Assuming 1 if not provided
});
engine.rain(
[
[1, 0, 20], // add 20 drops of size 1...
[3, 3, 1] // ... and 1 drop of size from 3 - 6 ...
],
100); // ... every 100ms