Parallax scrolling is a simple and effective way to create the illusion of depth in a 2D game. Whether you’re developing a vertical shooter or a horizontal side scrolling platformer, parallax scrolling is a tried and true staple of gaming that will greatly increase the immersion and graphical impact of your project.
In this tutorial, I'll cover the fundamentals of parallax scrolling, along with several methods of implementation, in such a way that you'll be able to confidently and successfully introduce parallax scrolling into your skill set, regardless of your current skill level.
Source files for the Tuts+ tutorial: Parallax Scrolling: A Simple, Effective Way to Add Depth to a 2D Game