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Roughen edges of material opacity

I'm making a material that creates a ripple like hit effect on a wall.

I have used a Radial Gradient to multiply against a texture for the opacity which gives a soft circle. It's a little too perfect. I'm trying to find a way to roughen up the edges to give it an organic look.

How can I create a rough edge for opacity so some of the electricity can leak out?

alt text

Here's the radial gradient I'm using for the mask alt text

Product Version: UE 4.11
ripple.png (221.9 kB)
radial.png (137.7 kB)
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asked May 13 '16 at 05:12 PM in Blueprint Scripting

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Just use an additional texture as a mask. Some Noise texture, which gets added to the radial mask. Maybe you can experiment with the Noise Node. I know this post is old, but maybe it's interesting for other people.

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answered Jul 07 '17 at 10:24 AM

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