tweenxcore

..
color
expr
geom
structure
Easing

It has easing functions used as a curve of motion

FloatTools

Static extension of Float.

MatrixTools

Extension of matrix of affine transformation of XY coordinates. It adds a function for similarity transformation of two-dimensional motion. It can be used not only for the Flash Matrix class but also for the Matrix type of other library with similar interface.

PointTools

Static extension of point on XY coordinates. For example, Bezier curve. It can be used not only for the Point class in Flash, but also for Point types in various libraries.