PremiumBeat posts a look at creating a fireworks burst in After Effects hosted by Evan Abrams. Ae’s shape layer repeaters offer a great workflow for managing not only repetitive elements but will also allow you to create interesting arrays.
Although this tutorial is specifically designed to show you how to create fireworks, shape modifiers are a great tool for any motion graphic artists to learnEvan Abrams – PremuimBeat.com
It is through the use of Shape Layers and Repeaters that Even walks throughout the process for creating fireworks bursts in After Effects, covering some topics such as the graph editor, key framing, and even a quick lesson in 4th grade math. Evan notes that these concepts can be applied to any number of motion graphic situations.