New easing function - CubicBezier

[CrosRoad95]

I requesting easing function CubicBezier, to make possible to fully customize how your element ( object, gui element, etc ) will move.

Example moveObject ( theObject, 1000, 0,0,0, 0,0,0, "CubicBezier", 1, -1.61, 0, 1.4 )
will move that like on this example http://cubic-bezier.com/#1,-1.61,0,1.4

Live example http://cubic-bezier.com

[jushar]

I'm not sure if this extension is really helpful (in comparison to the needed time). Bezier curves would make more sense if multiple curves are consecutively appended in a way that they remain continuous and differentiable (i.e. position and slope of the end point and start point of the next curve matches).

Do you have a specific use case for this extension where the current behaviour of easing functions is not sufficient?

Generally, we could think of adding support for common algorithms like De Casteljau's or De Boor's algorithm though.