如何在卡片中定位图像

Question

我们需要在圆卡中放几张图片。 每次我们随机选择：我们随机选择每张图片的几张图片，它的大小和角度。
我们尝试使用“Stack widget”和“positined”来做到这一点，但图像超出了卡片范围。 我们想知道是否有另一种方法来创建它（使用其他小部件）？ 或者如果我们的方法很好如何改进它

import 'package:flutter/material.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return const MaterialApp(
      debugShowCheckedModeBanner: false,
      home: Double(),
    );
  }
}

class Double extends StatefulWidget {
  const Double({super.key});

  @override
  State<Double> createState() => _Double();
}

class _Double extends State<Double> {
  @override
  void initState() {
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
        appBar: AppBar(
          backgroundColor: Color.fromARGB(255, 220, 180, 126),
        ),
        body: Container(
          decoration: const BoxDecoration(
            image: DecorationImage(
                image: AssetImage("assets/images/back.png"), fit: BoxFit.cover),
          ),
          child: Column(
            mainAxisAlignment: MainAxisAlignment.spaceEvenly,
            crossAxisAlignment: CrossAxisAlignment.center,
            children: [
              const Text(
                "Click on the only symbol on the right card that matches the symbol on the left card:",
                textAlign: TextAlign.center,
                style: TextStyle(
                    color: Colors.black,
                    fontSize: 30,
                    fontWeight: FontWeight.bold),
              ),
              Center(
                child: Row(
                    mainAxisAlignment: MainAxisAlignment.spaceEvenly,
                    crossAxisAlignment: CrossAxisAlignment.center,
                    children: [
                      const SizedBox(
                        width: 15,
                      ),
                      Container(
                        height: 400,
                        width: 400,
                        decoration: BoxDecoration(
                            color: Colors.white,
                            borderRadius: BorderRadius.circular(500)),
                        child: Stack(
                          alignment: Alignment.center,
                          children: [
                            Positioned(
                              left: 200,
                              top: 10,
                              child: SizedBox(
                                height: 70,
                                child: RotatedBox(
                                  quarterTurns: 18,
                                  child: Image.asset(
                                    "assets/images/demostar.png",
                                  ),
                                ),
                              ),
                            ),
                            Positioned(
                              right: 200,
                              bottom: 50,
                              child: SizedBox(
                                height: 160,
                                child: RotatedBox(
                                  quarterTurns: 0,
                                  child: Image.asset(
                                    "assets/images/demostar.png",
                                  ),
                                ),
                              ),
                            ),
                            Positioned(
                              right: 250,
                              bottom: 200,
                              child: SizedBox(
                                height: 130,
                                child: RotatedBox(
                                  quarterTurns: 23,
                                  child: Image.asset(
                                    "assets/images/demostar.png",
                                  ),
                                ),
                              ),
                            ),
                          ],
                        ),
                      ),
                      Container(
                        height: 400,
                        width: 400,
                        decoration: BoxDecoration(
                            color: Colors.white,
                            borderRadius: BorderRadius.circular(500)),
                      ),
                      const SizedBox(
                        width: 15,
                      ),
                    ]),
              ),
            ],
          ),
        ));
  }
}