After Effects Expression help
After Effects Expression help
Out of context: Reply #2
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- ESKEMA0
Wild guess?
"Follow the Null
The solution to this is not exactly straight forward, but it's a useful concept that's worth investing some time to understand. Here's how we do it. The key is that we use keyframes to animate the position of a 3D null to define a "template" for the path that our other layers will follow. The duration of the null's animation isn't critical - I generally use something like four seconds and name the null "template". You then add two sliders to the null - the first one (name it "offset") controls the separation between layers and the other one (name it "travel") defines the percentage of travel along the path."
it says right there you need two sliders on template, one "offset" and another one "travel"...