Creating an expression


show more Creating an expression provides you with in-depth training on Video. Taught by Chris Meyer and Trish Meyer as part of the After Effects Apprentice 09: Expressions show less
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Creating an expression

If you haven't already, revert back to a clean version of your AEA_expressions.aep project and open up the comp 01-Pick Whip*starter. Again, we have the blue pulley already animating. I'm pressing U to reveal its keyframes, and I'll press 0 on the numeric keypad to RAM Preview. We want the red pulley to perform this exact animation, at least for now. And rather than copying and pasting keyframes, let me show you another way. I am going to click on the red pulley, press S to reveal the Scale and Shift+R to reveal its rotation.

Instead of just clicking on the animation stopwatch for Scale to enable it, instead I am going to hold Option on Mac, or Alt on Windows, then click on its scale. Rather than enabling keyframing, this enables expressions. I am going to drag this column a little bit wider, so see what's going on, and you can see this new line that says expression for Scale. After Effects has already written a little bit of code for us. It says, use the Transform prope...

Creating an expression
Video duration: 4m 47s 1h 37m Intermediate Updated Nov 29, 2012

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Creating an expression provides you with in-depth training on Video. Taught by Chris Meyer and Trish Meyer as part of the After Effects Apprentice 09: Expressions

Subject:
Video
Software:
After Effects
Authors:
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