A 2D particle emitter solution that aims to mimic the Roblox particle emitters. The property descriptions listed below were mostly taken from the Roblox Documentations.

Emitter IDs returned by this function are reused, e.g. if you first create three particle emitters they will have IDs 0, 1 and 2 assigned. If you then destroy the second emitter (which got an ID of 1) ...