Sometimes we want for our expressions, especially the wiggle, to be a little more controllable. For example, controlling when in time the expression occurs. In this movie, author Luisa Winters demonstrates how to accomplish this in Adobe After Effects by the use of control layers, with expression control effects applied to them.
- Sometimes, we want for our expressions,…especially the wiggle, to be a little bit more controllable.…For example, we would like…to gradually start wiggling at two seconds…and gradually stop the wiggle at five seconds.…We can easily accomplish this by the use of control layers…with expression control effects applied to them.…Lets go ahead and open Composition 2.5, Expression Controls.…And here you're gonna see a single layer,…and if we play it you're gonna see…that there's a wiggle applied.…
You can select the layer, press u + u,…and you're going to see that, indeed,…position has a wiggle applied to it.…Now, I would like to control the wiggle a little bit more.…I would like for the wiggle to start happening…at two seconds, last until about five seconds,…and then stop at seven seconds.…I can do this simply by using effects…that are created precisely for that.…If you go to the effects menu,…go to expression controls, you're gonna see…that there is an effect here called slider control.…
There's also point control, later control,…
- Adding expressions
- Editing expressions manually
- Changing expression dimensions: rate, value, music amplitude, etc.
- Working with expression variables
- Using the Expression Language menu
- Using random values
Skill Level Intermediate
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After Effects Guru: Advanced Photoshop Techniqueswith Ian Robinson2h 12m Intermediate
1. What Are Expressions?
2. Expression Dimensions
4. Expression Language Menu
5. Other Expressions
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