you using unity?
my question is how to reverse particle system(implosion). TQ
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Hi , no I’m using UE4 but you can find similar shader editing in Unity.
For that I used little spheres. For the offset I defined a max position multiplying the object orientation vector. In parallel I created a function with the fraction of time (Frac node) I changed a bit the “gradient” to don’t have a linear movement . After that I multiplied the both result.
I’ll make a capture of the nodes it will be more clear. 
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