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Activity Forums Adobe After Effects Expressions make picture vibrate

  • Yussef Cole

    November 17, 2005 at 12:21 am

    No problem if you don’t know expressions. Wiggle is quite possibly the easiest expression around. Especially if you’re just wiggling a 2d comp.

    Option click the stopwatch on the layer position (or ratation or whatever you want to shake) and enter:

    wigfreq = 3;
    wigamt = 30;
    wigdetail = 3;
    wiggle(wigfreq, wigamt, wigdetail)

    Then change the values as you see fit. Or attach them to expression sliders by making a new invisible (turn eye off) layer and applying expression slider effects for every value you want to be keyframeable (like 2 expression sliders, one for wiggle frequency, and one for amount) then pickwip where there should be a value to that expression slider effect in the invisible laer.

    -Yussef
    P.S. I took that expression from Maffit’s total training pdf. A great expression resource for anyone who has the TT package who hasn’t used it.

  • J.d. Vaillancourt

    November 17, 2005 at 1:40 pm

    Use the motion sketch. On your timeline, set an in and out point for your vibration. Go to ‘Motion Sketch’ it’s under ‘Window’ on Mac, not sure about PC. Click ‘Start’ capture, grab your layer or comp and shake the mouse around for the duration of your in/out points, it should simulate a shaking. Tip: to get small, less obvious shaking, zoom in on your comp window, the more you zoom in, the less shakey it’ll be, almost like vibrating.

    jv

  • Kevin Gonzales

    November 20, 2005 at 12:15 am

    Thanks a ton. It worked out great.

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