如何在flutter中实现多个widget的矩阵手势检测器，就像在图像上移动两三个文本widget一样

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: Text('Matrix Gesture Detector'),
        ),
        body: MatrixGestureDetector(),
      ),
    );
  }
}

class MatrixGestureDetector extends StatefulWidget {
  @override
  _MatrixGestureDetectorState createState() => _MatrixGestureDetectorState();
}

class _MatrixGestureDetectorState extends State<MatrixGestureDetector> {
  Matrix4 matrix = Matrix4.identity();
  Offset translation = Offset.zero;
  double scale = 1.0;
  double rotation = 0.0;

  @override
  Widget build(BuildContext context) {
    return GestureDetector(
      onScaleStart: (details) {
        setState(() {
          translation = details.focalPoint;
        });
      },
      onScaleUpdate: (details) {
        setState(() {
          scale = details.scale;
          rotation = details.rotation;
        });
      },
      onScaleEnd: (details) {
        setState(() {
          translation = Offset.zero;
          scale = 1.0;
          rotation = 0.0;
        });
      },
      child: Transform(
        transform: Matrix4.translationValues(translation.dx, translation.dy, 0)
          ..scale(scale)
          ..rotateZ(rotation),
        child: Stack(
          children: [
            Positioned(
              left: 50,
              top: 50,
              child: DraggableTextWidget(),
            ),
            Positioned(
              left: 150,
              top: 150,
              child: DraggableTextWidget(),
            ),
          ],
        ),
      ),
    );
  }
}

class DraggableTextWidget extends StatefulWidget {
  @override
  _DraggableTextWidgetState createState() => _DraggableTextWidgetState();
}

class _DraggableTextWidgetState extends State<DraggableTextWidget> {
  Offset position = Offset.zero;

  @override
  Widget build(BuildContext context) {
    return GestureDetector(
      onPanStart: (details) {
        setState(() {
          position = details.localPosition;
        });
      },
      onPanUpdate: (details) {
        setState(() {
          position += details.delta;
        });
      },
      child: Container(
        color: Colors.blue,
        child: Text(
          'Drag me',
          style: TextStyle(color: Colors.white),
        ),
        padding: EdgeInsets.all(8),
        transformAlignment: Alignment.center,
        transform: Matrix4.translationValues(position.dx, position.dy, 0),
      ),
    );
  }
}