public AppVM()
{
server = new Server();
server.SensorAdded += OnSensorAdded;
// setup sensor-bone links
SensorBoneMap = new SensorBoneMap();
sensorBoneLinkVMs = new Dictionary <SensorBoneLink, SensorBoneLinkVM>();
SensorBoneMap.LinkAdded += (link) =>
{
sensorBoneLinkVMs.Add(link, new SensorBoneLinkVM(link, sensorVMs[link.Sensor], Kinematic.BoneVMMap[link.Bone]));
RootVisual3D.Children.Add(sensorBoneLinkVMs[link].Visual);
};
SensorBoneMap.LinkRemoved += (link) =>
{
RootVisual3D.Children.Remove(sensorBoneLinkVMs[link].Visual);
sensorBoneLinkVMs.Remove(link);
};
// setup sensors collection
sensors = new ObservableCollection <SensorVM>();
sensorVMs = new Dictionary <Sensor, SensorVM>();
Sensors = new ReadOnlyObservableCollection <SensorVM>(sensors);
foreach (var item in server.Sensors.Values)
{
sensors.Add(new SensorVM(item));
sensorVMs.Add(item, sensors.Last());
}
// setup kinematic chain
Kinematic = new KinematicVM(new KinematicStructure());
// setup animator
Animator = new KinematicAnimatorVM(Kinematic, new MotionData());
// setup commands
LoadBVHFileCommand = new RelayCommand <string>(LoadBVHFile);
SaveBVHFileCommand = new RelayCommand <string>(SaveBVHFile);
AssignSensorToBoneCommand = new RelayCommand <Tuple <BoneVM, SensorVM> >(AssignSensorToBone);
StartCaptureCommand = new RelayCommand(StartCapture, CanStartCapture);
StopCaptureCommand = new RelayCommand(StopCapture, CanStopCapture);
SetBaseRotationCommand = new RelayCommand(SetBaseRotation);
StartSensorCalibrationCommand = new RelayCommand <SensorBoneLinkVM>(StartSensorCalibration, CanStartSensorCalibration);
StopSensorCalibrationCommand = new RelayCommand(StopAxisCalibration);
// ui update timer
refreshTimer = new DispatcherTimer(DispatcherPriority.Background);
refreshTimer.Interval = TimeSpan.FromMilliseconds(30);
refreshTimer.Start();
refreshTimer.Tick += OnRefreshTick;
}
private void LoadBVHFile(string file)
{
if (StopCaptureCommand.CanExecute(null))
{
StopCaptureCommand.Execute(null);
}
BVHMotionData bvhMotionData;
BVHNode bvhroot = BVHReaderWriter.ReadBvh(file, out bvhMotionData);
MotionData newMotionData = new MotionData();
newMotionData.FPS = 1.0 / bvhMotionData.FrameTime;
Bone newRoot = BVHConverter.ToBones(bvhroot, null, bvhMotionData, newMotionData);
// create & assign a new kinematic view model. BoneVMs are also created in this process.
Kinematic = new KinematicVM(new Core.KinematicStructure(newRoot));
Animator = new KinematicAnimatorVM(Kinematic, newMotionData);
}