I currently work on a map where I want to use a power field that wasn't in the original game.This is a kind of a fizzler without portal_cleanser feature (i.e. player can go through not affecting the portals and physics objects can't pass (dissolve).
It looks like this

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So what do you think about this and don't I invent the wheel? Maybe someone has already done that?

Interesting idea, but I need to see it used in a puzzle to better understand its potential uses.
I very much like the custom texture (particle system?) and how 'different from anything else' it looks.