A cubic animation curve that starts slowly and ends quickly. This curve is effectively the bottom-right quarter of a circle.
Like Curves.easeInExpo, this curve is fairly dramatic and will reduce the clarity of an animation if not given a longer duration.
Derived from Robert Penner’s easing functions.
static const Cubic easeInCirc = Cubic(0.6, 0.04, 0.98, 0.335);