The scripts of the "Gravity Gun" and "Super Gravity Gun" are designed
to let you make quick changes to their various properties. Simply find the
designated area in the scripts to change the effects to your likng.
The scripts are located in the directory: "HL2 Gravity Gun.rte/Scripts/Gravity.lua"
and "HL2 Gravity Gun.rte/Scripts/SuperGravity.lua", respectively.


Credits:
CaveCricket48 - Sprites, coding, most of the Lua scripting
Valve - Sounds, Original Gravity Gun concept/idea