build method

Widget build(BuildContext context)

Implementation

Widget build(BuildContext context) {
  return Stack(
    children: [
      Positioned.fill(
        child: TweenAnimationBuilder(
          tween: Tween<double>(begin: 0, end: _counter!.toDouble()),
          duration: const Duration(milliseconds: 1000),
          curve: Curves.bounceOut,
          builder: (_, double ratio, __) {
            return FractionallySizedBox(
              heightFactor: (ratio / 100).clamp(0, 100).toDouble(),
              alignment: Alignment.bottomCenter,
              child: _Wave(
                child: DifferenceMask(
                  color: _color,
                ),
              ),
            );
          },
        ),
      ),
    ],
  );
}