This is a lightweight particle system that can be used to simulate most particle systems.
Full instructions in the comments.
Feel free to use it in your projects, but let me know if you do - I'd love to know if it's useful!
Updated the system to include a variable which controls the rate at which the system shrinks the particles.
It is now possible to make them grow like bubbles:
I discuss the class based system for creating these particles in my YouTube channel here
and also written on my site here:
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