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Radio waves tail effect

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Markus Stone
Radio waves tail effect
on Mar 30, 2019 at 12:31:22 am

Hi All,

I'm trying to achieve this effect


As the line follows the path, the trailing edge leaves behind dots that are registered to the background.

I've managed to get this far using stroke and 'radio waves'.

Close but no cigar.

The problem is that 'radio waves' can't operate in a time-reversed fashion (circles starting wide and collapsing to a central point).

Anyone know how to achieve an effect where the trailing edge of the line devolves into circles that are registered to the BG and decrease in size to nothing over time?

Many Thanks

Markus


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Greg Gesch
Re: Radio waves tail effect
on Mar 30, 2019 at 12:59:35 am

Hi Marcus, I would suggest using a particle system, circle particle with size over life.


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Markus Stone
Re: Radio waves tail effect
on Mar 31, 2019 at 6:13:43 am

Ah, legend, I'll try that. Thank you!

Markus


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Mark Whitney
Re: Radio waves tail effect
on Mar 30, 2019 at 3:56:58 am

Have you looked into BAO Mask Brush?

https://aescripts.com/bao-mask-brush/

Since you can use anything as the "Brush", even another comp, you can precomp your radio dots to be reverse then let BAO do the rest.


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Steve Bentley
Re: Radio waves tail effect
on Mar 30, 2019 at 11:35:38 pm

Tracode's 3D stroke would also do this. The lines in 3D stroke are actually a bunch of circles really close together (like a pshop brush) and you can tell the plug in how far apart they are and how big they are.



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