EasingViewportTransition constructor
Creates an EasingViewportTransition with the specified curve and duration.
The curve parameter defines the easing function to use for the animation, and the duration
specifies the length of time the animation should run.
curve: The easing curve to use for the animation. Defaults to Curves.easeInOut.duration: The duration of the animation.
Implementation
const EasingViewportTransition({
this.curve = Curves.easeInOut,
required this.duration,
}) : super();