Bones transforms()
Using a null to control a bones rotation gives the character the ability to seem as though it were looking at something: Looking at an enemy (97kb .DIR file)

A super fast collision code
This file is a bit of a hack as it uses Director 2D code in 3D space. I have made it this way as it is quicker than the standard 3D vector equivalent: 2D AABB collision script for a 3d world (18kb .DIR file)

AABB collisions html file
This is a link to the "SUPER FAST COLLISION CODE" displayed as a html file: 2D AABB collision script (html)