Animation loop is not seamless in-game. (Mesh deformation)

[RELLsin (RELL)]

Reproduction Steps

Reproduction Steps

1. Save the animation “ScarfIdle” in “AnimSaves” model on your account
2. Copy the id and place it in the Animation under the “README” script
3. Enter in run mode and check how different it is from the animation editor one
   looped_animation_bug.rbxl (45.5 KB)
   

Expected Behavior

Expected Behavior
The looped animation should be seamless as it is in the Animation Editor

Actual Behavior

Actual Behavior
In-game the animation seems to stop on the last keyframe before restarting

Issue Area: Engine
Issue Type: Display
Impact: High
Frequency: Constantly
Date First Experienced: 2022-08-17 00:08:00 (-04:00)
Date Last Experienced: 2022-09-11 00:09:00 (-04:00)

[MagmaBurnsV]

This is actually because Cubic Easing-Directions are reversed in game.
A workaround you can use is this plugin to flip the animation’s keyframes around.

[gigagiele]

Animation cubic easing direction reversed

Hello, while we have made the decision for now to preserve the reversed behavior for compatibility, we understand this is a pain point. Updating the preview in the Clip Editor to match the runtime behavior is a good suggestion, since that would at least give a clearer idea of the runtime result without changing existing animations. In the meantime, as that earlier post noted, we have now released to beta a new Animation Curve Editor. Please take a look, as it provides fine-grain and visual cont…

Thanks for the report. I hope this and the reply above will help you out.