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Activity Forums Adobe After Effects Procedural / Generative animation in aftereffects

  • Procedural / Generative animation in aftereffects

    Posted by Oona Switch on November 16, 2023 at 8:14 am

    I have these birds on separate layers – (one bird marked with green arrow)

    these are flying and moving

    and I have a background of ‘squiggly’ lines – almost a texture in the background.

    How can I make the lines in the background layer move away and around the birds as they fly about —— (marked in blue arrows)

    This would make it look like the birds are interacting and affecting the background layers.

    Is this possible on aftereffects – and if yes would anyone know how or have a tutorial for that?

    Oona Switch replied 2 weeks, 4 days ago 4 Members · 6 Replies
  • 6 Replies
  • Graham Quince

    November 16, 2023 at 11:06 am

    I think what you’re describing sounds like it could be solved using a Proximty expression.

    Check out this tutorial from Michael Tierney

  • Mads Nybo jørgensen

    November 16, 2023 at 11:13 am

    Hey Oona,

    If the requirement is to have that many birds to fly around whilst flapping their wings and moving their heads. You might be better off with animation software, or gaming software.

    Unity for personal usage starts from free.


  • Andy Kiernan

    November 16, 2023 at 4:13 pm

    Graham might be right. Theres a free ‘toolkit’ from Anti Static that contains proximity effectors..

    25 FREE After Effects Tools – YouTube

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  • Oona Switch

    November 17, 2023 at 7:50 am

    Thanks @graham will try this and see if it can affect position as well

  • Oona Switch

    November 17, 2023 at 7:51 am

    @Andy thanks! this looks promising as well!

    will try them and revert with what worked best for my project

  • Oona Switch

    November 17, 2023 at 7:54 am

    thanks for replying – right now im only looking to affect the background – the animation in this case is frame by frame hand drawn birds… the challenge is that I’m looking to affect ‘texture’ file that is raster tiff file – with this drawn animation bird which has alpha….

    the proximity expression and the toolkit seems to work with vector files and shape layers – but I could find a work around with those probably… will keep you all posted 👍

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