in this script there is no looking back (to the left*)
(the rope is the exception I've not decided how to deal with it)
wind always blows left

http://paste.debian.net/156572/
http://paste.debian.net/156574/

Howto install script (stolen from vatten and modified;))

1. First copy the files from the links above
2. paste them respectively into files cavanagh.lua and cavanagh.cfg in:
~/.hedgewars/Data/Scripts/Multiplayer (Linux)
~/Library/Application Support/Hedgewars/Data/Scripts/Multiplayer (OSX/Mac)
My Documents/Hedgewars/Data/Scripts/Multiplayer (Windows)
3. Restart Hedgewars (not your computer).

known problems

wind meter is unreliable

some players spawn facing left

*i know technically it should be to the right but i decided to conform to the platforming standard