Function keyframe::ease_with_unbounded_time

pub fn ease_with_unbounded_time<V: CanTween, F: EasingFunction>(
    function: impl Borrow<F>, 
    from: V, 
    to: V, 
    time: impl Float
) -> V

Returns the value at a specified X position on the curve between point A and point B. Bounds are 0.0-1.0 for the time argument but it can go out of bounds.