Precompose your layer (moving all attributes to the precomp).
Then, in your main composition, apply CC Particle World and set it to convex. As it is, it’s applying it to the underlying layer. If your layer is black, it’ll be black. So, either apply it to a piece of footage or apply it to a precomp.
– The Great Szalam
(The ‘Great’ stands for ‘Not So Great, in fact, Extremely Humble’)
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