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Re: Replicating "Marching Ants" Photoshop selection effect in After Effects

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Filip Vandueren
Re: Replicating "Marching Ants" Photoshop selection effect in After Effects
on Oct 23, 2018 at 1:24:42 pm

Hey Mikey,

If you look closely at Marching Ants, you'll notice that they're not actually doing the same as the offset on a dashed line.
A dashed line turns around corners, and continuous along the path until it's back where it started,
whereas the marching ants are a 45° slanted zebra pattern that is masked within a 1px stroke.
The easiest way to get the effect is to use an animated pattern, and use your shape as a track matte.

Alternatively, if you want to keep it in 1 layer I have a solution using Gradients and Colorama effect.
(see attached FFX)
12828_marchingants.ffx.zip



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