Join Chris Meyer for an in-depth discussion in this video Keyframes and client changes, part of After Effects Apprentice 09: Expressions.
- [Instructor] If you have access to the extra size files…that came with this lesson,…open up the project AEA_Expressions.aep.…If instead, you're following along using our book…After Effects Apprentice second edition,…go ahead and open up the project file…that came with lesson 7: expressions in time games.…Before we dive into expressions,…first we'd like to give you a taste of what could go wrong…if you relied too much on using key frames…for all of your animations.…Inside the comps folder, double click 01-Pick-Whip*starter…to bring that open.…
Click on the RAM preview button…at the far right of the preview panel…or just press zero on the numeric keypad.…Here we have a very simple animation…of a pulley that's rotating and scaling.…And to verify that, I'll select the layer…and press U to reveal all of its animating properties.…Let's say I want the red pulley…to do exactly the same thing.…Easy enough, I'll click on the word scale…to select all the scale key frames.…Hold shift and click on the word rotation…to select all those key frames as well.…
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