Tag: English Post

   1: using System;

   2: using System.Threading.Tasks;

   3: using Leap;

   4:

   5: namespace LeapWpf01

   6: {

   7:     public class ElBrunoListener : Listener

   8:     {

   9:         public void Sample(){}

  10:         public event Action<FingerList> OnFingersRegistered;

  11:         public event Action<GestureList> OnGestureMade;

  12:         private long _now;

  13:         private long _previous;

  14:         private long _timeDifference;

  15:

  16:         public override void OnInit(Controller controller) { }

  17:

  18:         public override void OnConnect(Controller controller)

  19:         {

  20:             controller.EnableGesture(Gesture.GestureType.TYPECIRCLE);

  21:             controller.EnableGesture(Gesture.GestureType.TYPEKEYTAP);

  22:             controller.EnableGesture(Gesture.GestureType.TYPESCREENTAP);

  23:             controller.EnableGesture(Gesture.GestureType.TYPESWIPE);

  24:         }

  25:

  26:         public override void OnDisconnect(Controller controller) { }

  27:

  28:         public override void OnExit(Controller controller) { }

  29:

  30:         public override void OnFrame(Controller controller)

  31:         {

  32:             var frame = controller.Frame();

  33:             _now = frame.Timestamp;

  34:             _timeDifference = _now - _previous;

  35:

  36:             if (frame.Hands.IsEmpty) return;

  37:

  38:             _previous = frame.Timestamp;

  39:             if (_timeDifference < 1000) return;

  40:

  41:             // Run async

  42:             if (frame.Gestures().Count > 0)

  43:                 Task.Factory.StartNew(() => OnGestureMade(frame.Gestures()));

  44:             if (frame.Fingers.Count > 0)

  45:                 Task.Factory.StartNew(() => OnFingersRegistered(frame.Fingers));

  46:         }

  47:     }

  48: }

   1: using System;

   2: using System.ComponentModel;

   3: using System.Diagnostics;

   4: using System.Runtime.CompilerServices;

   5: using System.Windows;

   6: using Leap;

   7: using LeapWpf01.Annotations;

   8:

   9: namespace LeapWpf01

  10: {

  11:     public partial class MainWindow : INotifyPropertyChanged

  12:     {

  13:         private string _gesturesText;

  14:         private Controller _controller;

  15:         private ElBrunoListener _listener;

  16:         private string _fingersText;

  17:

  18:         public MainWindow()

  19:         {

  20:             DataContext = this;

  21:             Loaded += MainWindow_Loaded;

  22:             Closing += MainWindow_Closing;

  23:             InitializeComponent();

  24:         }

  25:

  26:         void MainWindow_Closing(object sender, CancelEventArgs e)

  27:         {

  28:             _controller.RemoveListener(_listener);

  29:             _controller.Dispose();

  30:         }

  31:

  32:         void MainWindow_Loaded(object sender, RoutedEventArgs e)

  33:         {

  34:             _listener = new ElBrunoListener();

  35:             _controller = new Controller();

  36:             _controller.AddListener(_listener);

  37:             _listener.OnFingersRegistered += OnFingersRegistered;

  38:             _listener.OnGestureMade += OnGestureMade;

  39:         }

  40:

  41:         void OnGestureMade(GestureList gestures)

  42:         {

  43:             var gesturesData = string.Empty;

  44:             foreach (var gesture in gestures)

  45:             {

  46:                 gesturesData += gesture.Type + Environment.NewLine;

  47:             }

  48:             GesturesText = gesturesData;

  49:         }

  50:

  51:         void OnFingersRegistered(FingerList fingers)

  52:         {

  53:             FingersText = "Active Fingers:" + fingers.Count;

  54:         }

  55:     }

  56: }