From 9da4d8f26852e40cd40cdc007ee64960da827f97 Mon Sep 17 00:00:00 2001
From: Mark Hu <zesage@gmail.com>
Date: Sun, 14 Jun 2020 20:15:09 +0800
Subject: [PATCH] add sensor control

---
 example/lib/main.dart |  4 +++-
 example/pubspec.lock  | 16 ++++++++--------
 lib/panorama.dart     | 20 ++++++++++++++++++++
 pubspec.lock          | 17 +++++++++--------
 pubspec.yaml          |  1 +
 5 files changed, 41 insertions(+), 17 deletions(-)

diff --git a/example/lib/main.dart b/example/lib/main.dart
index 1d75f9e..bf555a7 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -35,7 +35,9 @@ class _MyHomePageState extends State<MyHomePage> {
         title: Text(widget.title),
       ),
       body: Panorama(
-        animSpeed: 2.0,
+        animSpeed: 0,
+        interactive: false,
+        sensorControl: SensorControl.Orientation,
         child: _imageFile != null ? Image.file(_imageFile) : Image.asset('assets/panorama.jpg'),
       ),
       floatingActionButton: FloatingActionButton(
diff --git a/example/pubspec.lock b/example/pubspec.lock
index db367e9..3531fc1 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -109,6 +109,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.8"
+  motion_sensors:
+    dependency: transitive
+    description:
+      name: motion_sensors
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.1"
   panorama:
     dependency: "direct main"
     description:
@@ -123,13 +130,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.6.4"
-  pedantic:
-    dependency: transitive
-    description:
-      name: pedantic
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.8.0+1"
   petitparser:
     dependency: transitive
     description:
@@ -190,7 +190,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.11"
+    version: "0.2.15"
   typed_data:
     dependency: transitive
     description:
diff --git a/lib/panorama.dart b/lib/panorama.dart
index 46d6db7..70221fd 100644
--- a/lib/panorama.dart
+++ b/lib/panorama.dart
@@ -5,6 +5,12 @@ import 'dart:ui' as ui;
 import 'dart:math' as math;
 import 'package:flutter/material.dart';
 import 'package:flutter_cube/flutter_cube.dart';
+import 'package:motion_sensors/motion_sensors.dart';
+
+enum SensorControl {
+  None,
+  Orientation,
+}
 
 class Panorama extends StatefulWidget {
   Panorama({
@@ -24,6 +30,7 @@ class Panorama extends StatefulWidget {
     this.latSegments = 32,
     this.lonSegments = 64,
     this.interactive = true,
+    this.sensorControl = SensorControl.None,
     this.child,
   }) : super(key: key);
 
@@ -72,6 +79,9 @@ class Panorama extends StatefulWidget {
   /// Interact with the panorama. default to true
   final bool interactive;
 
+  /// Control the panorama with motion sensors.
+  final SensorControl sensorControl;
+
   /// Specify an Image(equirectangular image) widget to the panorama.
   final Image child;
 
@@ -148,6 +158,16 @@ class _PanoramaState extends State<Panorama> with SingleTickerProviderStateMixin
     latitude = widget.latitude;
     longitude = widget.longitude;
 
+    if (widget.sensorControl == SensorControl.Orientation) {
+      motionSensors.orientation.listen((OrientationEvent event) {
+        Quaternion q = Quaternion.euler(-event.roll, event.pitch, event.yaw);
+        q *= Quaternion.axisAngle(Vector3(1, 0, 0), math.pi * 0.5);
+        q.rotate(scene.camera.target..setFrom(Vector3(0, 0, -_radius)));
+        q.rotate(scene.camera.up..setFrom(Vector3(0, 1, 0)));
+        scene.update();
+      });
+    }
+
     _controller = AnimationController(duration: Duration(milliseconds: 60000), vsync: this)
       ..addListener(() {
         if (scene == null) return;
diff --git a/pubspec.lock b/pubspec.lock
index 66ab63a..c09a35e 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -95,6 +95,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.8"
+  motion_sensors:
+    dependency: "direct main"
+    description:
+      name: motion_sensors
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.1"
   path:
     dependency: transitive
     description:
@@ -102,13 +109,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.6.4"
-  pedantic:
-    dependency: transitive
-    description:
-      name: pedantic
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.8.0+1"
   petitparser:
     dependency: transitive
     description:
@@ -169,7 +169,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.11"
+    version: "0.2.15"
   typed_data:
     dependency: transitive
     description:
@@ -193,3 +193,4 @@ packages:
     version: "3.5.0"
 sdks:
   dart: ">=2.4.0 <3.0.0"
+  flutter: ">=1.10.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index 468edb0..572b6a5 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -10,6 +10,7 @@ dependencies:
   flutter:
     sdk: flutter
   flutter_cube: ^0.0.3
+  motion_sensors: ^0.0.1
 
 dev_dependencies:
   flutter_test: