Join Chris Meyer for an in-depth discussion in this video Idea corners 2: Flashing lights, part of After Effects Apprentice 09: Expressions.
Let's go back to the Project panel and look at another idea of what you can do with Wiggle.…I'll double-click the movie Idea2- Lens Flare and RAM Preview this one.…You'll see that we have a flare that we have centered on the top of this…building, but rather than maintaining a constant brightness, it's doing two things:…one, it's blinking, and two, it's fading out in intensity as time goes on.…Let's explore how we made that happen.…I'm going to double-click the comp Idea2-Lens Flare.…
Select the lens flare solid.…Remember we like to apply light effects like lens layer to black solids, then…use blend modes to go ahead and combine them on top of the underlying footage.…And I'll type EE to review all expressions.…Widen this out little bit.…We see two things are going on.…Flare Brightness is indeed keyframed with the value at the beginning and end,…and it also has an expression attached.…Let's turn off the expression for moment so we can see what the keyframes are doing.…The keyframes are just creating a very simple fade of the Flare Brightness, with…
The After Effects Apprentice series was created by Trish and Chris Meyer. These tutorials are designed for After Effects CS4 through CC, and can be used on their own or as a companion to the Meyer's book, After Effects Apprentice.
- Creating and managing expressions
- Linking together different parameters
- Randomizing a layer's movement
- Looping an animation
- Controlling multiple layers from a single source