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Questions tagged [after-effects-expressions]

A script used to set a property value for a layer in an After Effects composition.

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5 votes
3 answers
9k views

Any way to change properties of subcomp based on parent comp?

I have a dozen 'main' comps which have a bunch of nested comps. I need to create about 30 versions of each main comp, with different colors. The subcomps are animated shapes, which take their color ...
d0g's user avatar
  • 304
4 votes
1 answer
8k views

After Effects: Parent a Camera's position to a Null-Object with specific Off-Set

I am just struggling with a simple expression thing I guess. I have a camera looking at an Object in 3D Space. Actually The Object is at [0,0,0]. The Camera's position is at [29,-1637,-2248]. What I ...
Marten Zander's user avatar
3 votes
2 answers
4k views

Can you measure the width of a character in an AE expression?

I have a type effect that requires a couple of layers, one with the type, and another moving behind the letters as they appear (simulating the little text bubbles you get when typing on an iPhone). It'...
stib's user avatar
  • 13.7k
3 votes
1 answer
3k views

Parenting a null causes unexpected results

I've built an arrow that is controlled by two nulls - one at the start point and one at the end point. Using some trigonometry in some expressions, it works. When I move the nulls, the arrow resizes ...
tomh's user avatar
  • 7,933
2 votes
1 answer
1k views

How do I create this slide/bouncy effect in After Effects?

The news channel in my country is using a nice bouncy/slide effect. Now I'm trying to recreate that in After Effects. I tried many effects and expressions, Googled a lot and watched many tutorials. ...
user3625118's user avatar
2 votes
1 answer
6k views

Control key frame value with slider control

I have an object in After Effects comp and I need its scale to change from keyframe A to keyframe B and I need keyframe A to have value of 95% and keyframe B value of whatever is set via slider ...
Delltar's user avatar
  • 348