Credits for the script goes to DrakilorP2P, permission to post on his behalf given by Darlene.
"I got tired of spamming RC whenever I wanted to tune a particle emitter, so I coded this." -DrakilorP2P
This code allows you to create, modify and generate code for particle effects, with an in-game editor.
If you're too lazy to download it to try it yourself, you can logon Maloria and say /openparticle to open it.
