RailFollow

SetPositionOnRailWithDamping

Hard set camera position on rail with damping.

Input / Output		Description
Input
	Target	A RailFollow target object.
	Position	A floating number in [0,1] representing the position on rail.
	Blend Time	A non-negative floating number representing the duration to get to Position.
	Blend Func	Blend function.
	Is Forward	Blending forward or backward from here to Position.