trackoffical_app/lib/view/ingame/layer_cp_touch.dart

import 'package:get/get.dart';
import 'package:flutter/material.dart';
import 'package:trackoffical_app/service/game/game.dart';
import 'package:trackoffical_app/service/game/game_model.dart';
import 'package:transparent_pointer/transparent_pointer.dart';

class LayerCPTouch extends GetView<GameModel> {
  const LayerCPTouch({super.key});

  @override
  Widget build(BuildContext context) {
    return Obx(() {
      final service = Get.find<GameService>();
      final children = <Widget>[];
      final wants = controller.controlPointWantSequence;
      const size = 40.0;

      for (var i = 0; i < wants.length; i++) {
        final one = wants[i];
        final offset = service.mapStatus.picOffsetToScreen(one.onMap);
        var x = offset.dx;
        var y = offset.dy;

        children.add(Positioned(
            left: x - size / 2,
            top: y - size / 2,
            child:TransparentPointer(
                child:GestureDetector(
                  onDoubleTap: () {
                    controller.nextPlanPoint = one;
                  },
                  child: Container(
                    height: size,
                    width: size,
                    color: Colors.red.withAlpha(0),
                  ),
                ))) );
      }

      return Stack(
        children: children,
      );
    });
  }
}