During the holiday season, several large online retailers used Flash or JavaScript to add some seasonal flare, such as snowflakes tumbling down the screen, to their stores. Such an effect shows a high degree of professionalism, skill, and attention to detail, which are all useful attributes to convey to site visitors.
In this Adobe Flash and ActionScript tutorial, I will introduce you to the Flint Particles System, which is an API that makes it easier to simulate naturally occurring weather events, such as snow. Then I will walk through the steps required to make rain. I'll be using a photograph of Seattle as a background for our rain.
