ID:177053
 
how do you create a projectile proc with collision detection and hp reduction on the center key?
You mean num key 5? No idea, but heres a snippet that i just used this very second ^^ http://shadowdarke.byond.com/snippets/snippets.html
In response to RayOfAsh
Spuzzum also has a Library on that - look in the 'Libraries' section for stuff done by him.