Std.Ui.Motion.Easing

type

How progress through a transition maps to progress of its value.

Bezier is a CSS-style cubic curve through (0, 0), its two control points, and (1, 1). Spring(stiffness, damping) is a unit-mass damped spring run over ten time units across the duration; with damping below 2 * sqrt(stiffness) it overshoots before settling.