AnimationController.dart

class MyHomePage extends StatefulWidget {
  const MyHomePage({Key? key}) : super(key: key);

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> with TickerProviderStateMixin {
  late AnimationController _controller;
  @override
  void initState() {
    super.initState();
    _controller = AnimationController(
      duration: const Duration(milliseconds: 500),
      vsync: this,
      upperBound: 650.0,
      lowerBound: 400.0,
    );
    _controller.addListener(() {
      setState(() {});
    });
  }

  @override
  void dispose() {
    _controller.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
        body: Stack(
      children: [
        Image.asset(
          "assets/images/area.jpg",
          fit: BoxFit.cover,
          height: double.infinity,
          width: double.infinity,
        ),
        Transform.translate(
          offset: Offset(180.0, _controller.value),    // <----- here
          child: Image.asset(
            "assets/images/basketball.png",
            height: 70,
            width: 70,
            fit: BoxFit.contain,
          ),
        )
      ],
    ));
  }
}