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Activity Forums Adobe After Effects Expressions making a flip control

  • Dan Ebberts

    November 22, 2012 at 11:26 pm

    This should work:

    if(effect(“Checkbox Control”)(“Checkbox”).value) [-value[0],value[1]] else value

    Dan

  • Everton Gois

    February 21, 2014 at 11:11 am

    Fantastic……I had the same isuue.
    Thanks Dan!!!!

    Everton Gois
    Digital Artist

  • Darrick Hays

    February 6, 2015 at 8:36 pm

    Hi Dan, could you elaborate on this please? I’m pretty new to expressions and i’m not sure what values i should be inputting here where it says value, or what I should be pickwhipping to my checkbox control, etc. If you could explain it in some more detail that would be fantastic.

    -Darrick

  • Dan Ebberts

    February 6, 2015 at 10:13 pm

    Assuming you apply the checkbox to the layer you want to flip, you would just apply the expression, as-is, to the Scale property of the layer.

    “value” just tells the expression to use whatever the pre-expression value is. So if you have the scale set to 80% x and 90% y before you apply the expression, when you check the checkbox, it will become -80% and 90%.

    Dan

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