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Forums Adobe After Effects Expressions control mask keyframes with slider?

  • control mask keyframes with slider?

  • Alex Weil

    January 30, 2023 at 5:55 pm

    hey there,
    is it possible to control the Maskpath’s keyframes via a slider.
    in my case i have a mask with 2 keyframes and i want to move between them. so i made this like i would do with other stuff:

    s = effect("Slider Control")("Slider");

    its not working, and i know masks work kinda different, but i dont know how to solve this.

  • Dan Ebberts

    January 30, 2023 at 8:10 pm

    Try this:

    s = effect("Slider Control")("Slider");
    t = linear(s,0,100,key(1).time,key(2).time);
  • Alex Weil

    January 31, 2023 at 11:18 am

    dang Dan,

    you are a Legend! works fine! thank you so much!

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