Files
cup_edit/example/lib/camera_matrix_overlay.dart

66 lines
1.8 KiB
Dart

import 'dart:async';
import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';
import 'package:flutter_filament/filament_controller.dart';
class CameraMatrixOverlay extends StatefulWidget {
final FilamentController controller;
const CameraMatrixOverlay({super.key, required this.controller});
@override
State<StatefulWidget> createState() => _CameraMatrixOverlayState();
}
class _CameraMatrixOverlayState extends State<CameraMatrixOverlay> {
Timer? _cameraTimer;
String? _cameraPosition;
String? _cameraRotation;
void _updateTimer() {
_cameraTimer?.cancel();
if (widget.controller.hasViewer.value) {
_cameraTimer =
Timer.periodic(const Duration(milliseconds: 50), (timer) async {
var cameraPosition = await widget.controller.getCameraPosition();
var cameraRotation = await widget.controller.getCameraRotation();
_cameraPosition =
"${cameraPosition.storage.map((v) => v.toStringAsFixed(2))}";
_cameraRotation =
"${cameraRotation.storage.map((v) => v.toStringAsFixed(2))}";
setState(() {});
});
}
}
@override
void initState() {
super.initState();
_updateTimer();
widget.controller.hasViewer.addListener(_updateTimer);
}
@override
void dispose() {
super.dispose();
widget.controller.hasViewer.removeListener(_updateTimer);
_cameraTimer?.cancel();
}
@override
Widget build(BuildContext context) {
return Container(
decoration: BoxDecoration(
color: Colors.black.withOpacity(0.5),
borderRadius: BorderRadius.circular(29)),
padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 5),
child: Text("Camera position : $_cameraPosition $_cameraRotation",
style: const TextStyle(color: Colors.white, fontSize: 12)));
}
}