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Activity Forums Adobe After Effects Expressions Seeking help for expression…

  • Seeking help for expression…

    Posted by Ruediger Chmielus on May 27, 2008 at 7:32 am

    I am looking for an expression that will fade a 3D layer slowly to zero when it will face away from the camera and then blend back in when it has passed that phase.
    What I want to avoid is the flat look and the “flip” effect of 3D layers.
    I tried Dan Ebberts script what will do exactly this but I am not able to create a soft blend.
    Thanks,

    Ruediger Chmielus replied 17 years, 11 months ago 2 Members · 4 Replies
  • 4 Replies
  • Dan Ebberts

    May 27, 2008 at 1:54 pm

    Give this a try:

    easeIn(toCompVec([0, 0, 1])[2], 0, 500, 0, 100)

    Dan

  • Ruediger Chmielus

    May 27, 2008 at 3:43 pm

    Hi Dan,
    thank you very much for that expression!
    This is “almost” it.
    Is it possible that both sides of the layer are visible?
    So -fade out -pass the null point when the layer is pointing direct to the camera -fade up again (now showing the back of the layer) fade out again etc.
    Thank you very much!

  • Dan Ebberts

    May 27, 2008 at 4:48 pm

    easeIn(Math.abs(toCompVec([0, 0, 1])[2]), 0,500, 0, 100)

    Dan

  • Ruediger Chmielus

    May 27, 2008 at 6:20 pm

    😉
    Dan you ARE the man!
    Thank you very, very much!

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