I can't find Arevulopapo's original thread. I'm porting the original RMXP version of the script taken from this page (which was posted by me).
New Particle Engine for RPG Maker VX Ace
by Arevulopapo / port by PK8
Introduction
This script lets you create particle effects in your game. Particles are integrated into "Spriteset_Map", so the can be displayed over/under an event.
Features
This script lets you create particles.
Screenshot
Demo
Arevulopapo's Particle Engine (RMVXA)
http://dl.dropbox.com/u/68527961/RMVXA/Scripts/[2012]/Arevulopapo's%20Particle%20Engine.zip
Script
In the demo.
Instructions
All particle files are placed in the
#800080">Graphics/Pictures/Particles folder. Read the script header and have a look at the demo to figure out how to call particles.
Thanks
mobychan for helping out and pointing me to 's RPG Maker VX's Ace tips and tricks page, which talked about how events set to parallel process need to be put in a loop in order for them to keep animating while events are being interacted with.