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Activity Forums Adobe After Effects can you keyframe an expression on and off?

  • can you keyframe an expression on and off?

    Posted by Richard Altman on May 19, 2009 at 8:07 pm

    i am making a bunch of layers move around and i’m wondering if its possible to keyframe an expression on and off cause i’d like to have some stillness for a second then just let all 57 layers of individual wiggle randomness rip.

    thanks

    Todd Kopriva replied 16 years, 11 months ago 3 Members · 3 Replies
  • 3 Replies
  • Michael Szalapski

    May 19, 2009 at 8:27 pm

    Here’s two ways to do this…if I understand what you’re asking.

    1. Make all your layers, move your playhead and ctrl+shift+d or cmd+shift+d, this splits the layers, apply the expression to the new layers.

    2. Tie the expression’s randomness or amount to a slider effect on a null layer. Then keyframe that slider from 0 to whatever.

    – The Great Szalam
    (The ‘Great’ stands for ‘Not So Great, in fact, Extremely Humble’)

    No trees were harmed in the creation of this message, but several thousand electrons were mildly inconvenienced.

  • Michael Szalapski

    May 19, 2009 at 8:27 pm

    Ooooh, Dave beat me.

    – The Great Szalam
    (The ‘Great’ stands for ‘Not So Great, in fact, Extremely Humble’)

    No trees were harmed in the creation of this message, but several thousand electrons were mildly inconvenienced.

  • Todd Kopriva

    May 20, 2009 at 2:59 pm

    This question was asked and answered recently on the expressions forum:

    https://forums.creativecow.net/thread/227/12993#12993

    ———————————————————————————————————
    Todd Kopriva, Adobe Systems Incorporated
    putting the ‘T’ back in ‘RTFM’ : After Effects Help on the Web
    ———————————————————————————————————

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