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Inspiring
August 10, 2023
Answered

Creating a seamless loop using fractal noise

  • August 10, 2023
  • 1 reply
  • 4644 views

HI there,

I am on the latest and greatest AE and have troubles getting my fractal noise animation to loop perfectly.

I pretty much followed every video on how to do this I found on the web...

 

What I have: 30s composition at 30fps

 

Here is what I tried:

1) Keyframe approach: 

- Set first and last keyframe of the Evolution property. 1st: 0 evolutions. Last: 8x +0.0 evolution

- Having Evolution Cycle checked and set to "1"

- Followed instructions to move out the last frame by one frame (didn't help)

2) Expression approach:

- Added the following expression to the evolution property: time*100

while having Evolution Cycle checked and set to "1"

 

3) Have the following expression on the Evolution property:

loopTime = 1;

speedMultiplier = 0.1;

revolutions = (time / loopTime) * speedMultiplier; revolutions * 360;
and having Evolution Cycle checked and set to "1"

 

Also tried unchecking Evolution Cycle.

 

Note: The fractal noise effect exists on the main timeline and is not nested.

 

Please advise and even better if you have a few minutes to do a quick video recording of the steps, that would be immensly appreciated! THANK YOU!

 

 

 

 

 

Correct answer Dan Ebberts

Ideally I would like to use expressions to be more flexible. So am curious to hear solutions if anyone has any? Thanks so much!


OK, I got rid of the keyframes and added this evolution expression:

time*8*360/thisComp.duration

to get 8 revolutions over the comp duration, and it also loops perfectly.

1 reply

Dan Ebberts
Community Expert
Community Expert
August 10, 2023

Your first method worked perfectly for me. What issues are you seeing?

Inspiring
August 10, 2023

It just doesn't seem to loop seamlessly once the animation is done. It seems to start at a different place (not at 0). Sigh. Did you use the move last keyframe one frame up method or just have the last keyframe on the end?

Inspiring
August 10, 2023

Ideally I would like to use expressions to be more flexible. So am curious to hear solutions if anyone has any? Thanks so much!