Animatable<T> class abstract

An object that can produce a value of type T given an Animation<double> as input.

Typically, the values of the input animation are nominally in the range 0.0 to 1.0. In principle, however, any value could be provided.

The main subclass of Animatable is Tween.

Implementers

Constructors

Animatable()
Abstract const constructor. This constructor enables subclasses to provide const constructors so that they can be used in const expressions.
const
Animatable.fromCallback(AnimatableCallback<T> callback)
Create a new Animatable from the provided callback.
const
factory

Properties

hashCode int
The hash code for this object.
no setterinherited
runtimeType Type
A representation of the runtime type of the object.
no setterinherited

Methods

animate(Animation<double> parent) Animation<T>
Returns a new Animation that is driven by the given animation but that takes on values determined by this object.
chain(Animatable<double> parent) Animatable<T>
Returns a new Animatable whose value is determined by first evaluating the given parent and then evaluating this object.
evaluate(Animation<double> animation) → T
The current value of this object for the given Animation.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() String
A string representation of this object.
inherited
transform(double t) → T
Returns the value of the object at point t.

Operators

operator ==(Object other) bool
The equality operator.
inherited