Animation and expressions
Make movement feel deliberate. These guides cover Easy Ease and the Graph Editor's speed and value graphs, then the wiggle expression, from a one-line shake to sliders on a null that start, stop and loop it. Put the wiggle values on sliders early and a later change won't mean editing code.
Guides in this topic
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How to ease keyframes in After Effects and fine-tune them in the Graph Editor
Select Position keyframes and press F9 for default Easy Ease. Control the arrival and departure separately, then adjust speed and influence in the Graph Editor.
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How to use the wiggle expression in After Effects
Add wiggle(2, 30) to Position, control the pace and distance, limit the shake to one axis, and drive it from sliders on a null.
