RectTween class Null safety

An interpolation between two rectangles.

This class specializes the interpolation of Tween<Rect> to use Rect.lerp.

The values can be null, representing a zero-sized rectangle at the origin (Rect.zero).

See Tween for a discussion on how to use interpolation objects.

Inheritance

Implementers

Constructors

begin ↔ Rect?: The value this variable has at the beginning of the animation.
read / writeinherited
end ↔ Rect?: The value this variable has at the end of the animation.
read / writeinherited
hashCode → int: The hash code for this object.
read-onlyinherited
runtimeType → Type: A representation of the runtime type of the object.
read-onlyinherited

animate(Animation<double> parent) → Animation<Rect?>: Returns a new Animation that is driven by the given animation but that takes on values determined by this object.
inherited
chain(Animatable<double> parent) → Animatable<Rect?>: Returns a new Animatable whose value is determined by first evaluating the given parent and then evaluating this object.
inherited
evaluate(Animation<double> animation) → Rect?: The current value of this object for the given Animation.
inherited
lerp(double t) → Rect?: Returns the value this variable has at the given animation clock value.
override
noSuchMethod(Invocation invocation) → dynamic: Invoked when a non-existent method or property is accessed.
inherited
toString() → String: A string representation of this object.
inherited
transform(double t) → Rect?: Returns the interpolated value for the current value of the given animation.
inherited