- tween easing-function direction start stop percentprocedure
Given an easing-function and a direction, this produces a value between start and stop that is representative of the provided percent.
direction may be one of the following symbols:
percent must be a value between 0.0 and 1.0.
start and stop must be numbers.
easing-function be of the form direction -> percent -> percent.
Various easing functions are provided by this egg, see below.