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Activity Forums Adobe After Effects Expressions Continuous zig zag on a path – like a tank tread

  • Continuous zig zag on a path – like a tank tread

    Posted by Antonio Vicentini on November 3, 2014 at 2:41 am

    Hey guys, how are you?

    Pardon me if there’s already an answer for this, I haven’t found anything similar.

    I’ve created a rectangle shape layer with rounded borders and also added a zig zag parameter on it. I’m trying to rotate those points along the path on a continuous loop, like a tank tread.

    Is there any chance to do it with expressions?

    Any help/advice greatly appreciated. Thank you!

    Alistair David replied 5 years, 3 months ago 3 Members · 4 Replies
  • 4 Replies
  • Dan Ebberts

    November 3, 2014 at 3:58 am

    I can’t think of anything. As far as I know, there’s no way to animate the zig zag attributes in the way that you want.

    Dan

  • Antonio Vicentini

    November 3, 2014 at 4:08 am

    Thanks for the reply, Dan. I’m going to try something else.

    Cheers

  • Antonio Vicentini

    November 4, 2014 at 2:29 am

    Hey Dan,

    A friend of mine made an html solution. I think it might be interesting to share it.

    https://brunoimbrizi.com/_temp/70_antonio/

  • Alistair David

    April 26, 2021 at 11:20 am

    Old tread here (yes thats a pun on thread) ?

    If you need an option with spiky/zig zag look an option would be to use a text animator with text set to a mask path with a ▲ character for the spiky tread. Or alternatively a ■ character with some adjustment to rotation and scale.

    You can see another solution to this here using a dashed line – https://www.youtube.com/watch?v=c90x9E-vtNI

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