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After Effects Expressions

By Marcus Geduld

  1. ISBN: 9780240809366
  2. Publication Date: November 2008
  3. Format: Paperback
  4. Pages: 448
  5. Price:
    • $51.95 (USD)
    • £25.99 (GBP)
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Put the power of Expressions to work in your animations with controls and efficiencies impossible to achieve with traditional keyframing techniques.

No programming skills are required. Foundation concepts and skills orient the new designer and serve as a handy reference to the experienced one. Basics of creating Expressions, variables, commands, and Expression helpers precede the leap into JavaScript and math essentials for more advanced Expressions that include randomness and physical simulations.

Full color illustrations display the scripts and the resulting effects, Pick Whip techniques, and sequential animations. Downloadable companion files include QuickTime movies of the demo animations, and AE project files that permit you to examine the Expressions at

Author Bio

is an Adobe-certified Instructor and Certified Expert and a Macromedia Certified Developer with over 15 years of experience in teaching media software. Marcus is a columnist in "Layers Magazine," author of several books and regular conference presenter at MacWorld, NAB Post Production Conference, among others.


"After Effects Expressions offers a comprehensive resource guide that fills a niche like nothing else currently on the market. If you would like to add expressions to your bag of design and development tricks, this book comes highly recommended."--Tim Frick,


Part 1: Using Expressions Creating Simple Expressions; Variables, Comments, and Dimensions; Commands; Expression Helpers Part 2: Foundations for Advanced Expressions JavaScript for Expressions; Math Is Your Friend; Advanced Techniques; Randomness; Physical Simulations