![]() Precipitation is a great example of a particle system. At the bottom you have the particles themselves, a large collection of small objects which share very similar characteristics, but are all unique independent entities.At the top you have the emitter which is the source, or generator, which controls the overall behaviour of the particles.You can think of a particle system as having two levels: New to particle systems? Don’t worry - we’ve got you covered. Without further ado, let’s spawn some particles! What’s a Particle System? If you are new to these, you should first read our Beginning OpenGL ES 2.0 with GLKit and How To Create A Simple 2D iPhone Game with OpenGL ES 2.0 and GLKit tutorial series. This tutorial series assumes you have some prior familiarity with OpenGL ES 2.0 and GLKit. ![]() Part 3: Finally, you’ll use your newly developed skills to integrate particle effects into a simple 2D game.That’s code word for “awesome and reusable”. Part 2: In the next part, you’ll learn to create a generic particle-emitter paired system.Part 1: You are here! You’ll start by learning all about particle systems and point sprites, and create a small app to help you learn as you go.In this three part OpenGL ES particle system tutorial series, you’ll learn how to make a cool and fun particle system from scratch, and integrate it into an iOS app!
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