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ali m.r7155227
ali m.r7155227
Known Participant
June 18, 2017
Answered

How to Keyframe Wiggle in Camera

  • June 18, 2017
  • 2 replies
  • 4948 views

Hi, I added a wiggle expression to my Camera layer but I'd like to use keyframes to enable and disable it. Tutorial on YouTube said use "Slider"" effect to create keyframes wbut it doesn't work.

This topic has been closed for replies.
Correct answer Jose Panadero

The best way is to link the frequency or amplitude of the wiggle expression to expression controllers

1.- Add the wiggle expression to your camera. It should be something like wiggle(a,b) where a is the frequency and b is the amplitude.

2.- Create a Null Object and apply two Slider Control effects (you will fin under the Expression Controls category). Rename them like Frequency and Amplitude.

3.- Select the "a" parameter in the wiggle expression and use the pick whip to link to the slider parameter of the Frequency effect. Do the same with the "b" parameter, linking it to the slider of the second effect. Your expression will be something like wiggle(thisComp.layer("Null 1").effect("Frequency")("Slider"),thisComp.layer("Null 1").effect("Magnitude")("Slider"))

4.- The you can animate the slider parameters to obtain desired result. Anyway, you will have to convert your keyframes to Hold KF to control the wiggle like an "ON-OFF" switch.

2 replies

Mike_Abbott
Mike_Abbott
Brainiac
June 18, 2017

While Jose's suggestion is broadly correct, you need to be aware that keyframing the slider control for wiggle frequency is not a good idea - unless you use a more sophisticated expression - see below. Keyframing the slider control for wiggle amplitude is fine, so if this gives you enough control, leaving frequency with a fixed value, I would suggest you go with that.

If you do need to keyframe wiggle frequency I would suggest you read and use the very useful information in this document by the master expression writer Dan Ebberts. It will explain the problem of keyframing frequency - and give you an expression solution.

Expression Speed and Frequency Control

Mike A.

    ali m.r7155227
    ali m.r7155227Author
    Known Participant
    June 18, 2017

    Thank you Mike!

    Jose Panadero
    Jose PanaderoCorrect answer
    Adobe Expert
    June 18, 2017

    The best way is to link the frequency or amplitude of the wiggle expression to expression controllers

    1.- Add the wiggle expression to your camera. It should be something like wiggle(a,b) where a is the frequency and b is the amplitude.

    2.- Create a Null Object and apply two Slider Control effects (you will fin under the Expression Controls category). Rename them like Frequency and Amplitude.

    3.- Select the "a" parameter in the wiggle expression and use the pick whip to link to the slider parameter of the Frequency effect. Do the same with the "b" parameter, linking it to the slider of the second effect. Your expression will be something like wiggle(thisComp.layer("Null 1").effect("Frequency")("Slider"),thisComp.layer("Null 1").effect("Magnitude")("Slider"))

    4.- The you can animate the slider parameters to obtain desired result. Anyway, you will have to convert your keyframes to Hold KF to control the wiggle like an "ON-OFF" switch.

      Nexahs1138
      Nexahs1138
      Inspiring
      June 18, 2017

      The main reason I stay away from keyframing wiggles

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