shape animation - bezier handle changing in between keyframes

Question

I'm having an issue with my keyframe animation of shape layer. I'm not exactley sure how to explain the bezier properties, but I'll try to explain the best I can.

I have a keyframe set where the bezier handle of a single point is "smooth" (controls both sides). I have second keyframe where the bezier handle is the same ("smooth"). In the interpolation between the two keyframes the bezier point changes to "split", where there are two hard angles off both sides.

I've experimented with different keyframe interpolation, but not getting results. I want to keep it "smooth" between keyframes.

Any insight on how to solve this would be greatly appreciated. Thanks

Rick Gerard · Answer

Vector paths animate in a straight line. Sometimes you can improve the transition between points using the Mask Interpolation panel. Often you have to just delete the problem keyframe and start over setting more in between keyframes. Unfortunately, things like rotating a vector path can become very cumbersome because "pose to pose" tweening is linear and it is hard to fix that.

Another option may be to use the Create Nulls From Paths>Path follows nulls script that you can find at the bottom of the Window menu. Then you can just animate the position of the nulls to control your paths and make more complex moves.

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