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Animating a knot AE

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David AmichaiAnimating a knot AE
by on Aug 23, 2013 at 8:27:55 pm

I'm trying to create an animation of a rope tying itself in AE.
Basically im using two shape layers. One a solid stroke (parent), the other a dashed stroke (child). I'm animating splines to loop the rope around itself and create a knot.

AE knot

Problem is since the dashed line is a single layer it intersects in such a way that it makes it very hard to clean up. Any ideas to make it look more like a knot and not a jumble

Any help on this would be much appreciated.

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mathew fullerRe: Animating a knot AE
by on Aug 23, 2013 at 9:42:19 pm

1.Make both your original strokes slightly thinner

2.Duplicate your solid stroke, make it hard edged with a dark brown or black and place it under your other strokes.

3. Change the original strokes to feathered edges and it should look like it has a shadow along the edges, giving it the illusion of depth, and will help separate it visually from all the other brown rope when it becomes a knot.


Alternate idea... do a soft bevel on the alpha and maybe a little outer glow (dark color). You may have to precomp for this to look right.

My Work:

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Tudor "Ted" JelescuRe: Animating a knot AE
by on Aug 25, 2013 at 5:39:16 pm

Another way would be to do this 3D using Zaxwerks 3D Serpentine:

Tudor "Ted" Jelescu
Senior VFX Artist

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