void listener_OnFrameUpdate(object sender, LeapListenerArgs e)
{
Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.High, () =>
{
TextBlock_HandCount.Text = e.currentframe.Hands.Count.ToString();
TextBlock_FingerCount.Text = e.currentframe.Fingers.Count.ToString();
var frame = e.currentframe;
switch (frame.Hands.Count)
{
case 1: circle_left.Visibility = Visibility.Visible;
circle_right.Visibility = Visibility.Collapsed;
break;
case 2: circle_left.Visibility = Visibility.Visible;
circle_right.Visibility = Visibility.Visible;
break;
case 0:
circle_left.Visibility = Visibility.Collapsed;
circle_left.Visibility = Visibility.Collapsed;
break;
}
});
}
private void UpdateDeviceStatus(LeapDeviceState status)
{
lock (thisLock)
{
//fires the event only in the case of an event handler being present
if (OnDeviceStatusUpdate == null)
{
return;
}
LeapListenerArgs args = new LeapListenerArgs(status);
OnDeviceStatusUpdate(this, args);
}
}
private void UpdateFrame(Frame frame)
{
lock (thisLock)
{
//fires the event only in the case of an event handler being present
if (OnFrameUpdate == null)
{
return;
}
LeapListenerArgs args = new LeapListenerArgs(frame);
OnFrameUpdate(this, args);
}
}
private void SafeWriteLine(String line)
{
lock (thisLock)
{
// System.Diagnostics.Debug.WriteLine(line);
System.Diagnostics.Debug.WriteLine("Leap Output:" + line);
//fires the event only in the case of an event handler being present
if (OnLogUpdate == null)
{
return;
}
LeapListenerArgs args = new LeapListenerArgs(line);
OnLogUpdate(this, args);
}
}
void listener_OnDeviceStatusUpdate(object sender, LeapListenerArgs e)
{
Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.High, () =>
{
string texttodisplay = "";
switch (e.devicestatus)
{
case LeapDeviceState.connected: texttodisplay = "Connected"; break;
case LeapDeviceState.disconnected: texttodisplay = "Disconnected"; break;
case LeapDeviceState.exited: texttodisplay = "Exited"; break;
case LeapDeviceState.initialized: texttodisplay = "Initialized"; break;
}
TextBlock_DeviceStatus.Text = texttodisplay;
});
}
public override void OnFrame(Controller controller)
{
// Get the most recent frame and report some basic information
Frame frame = controller.Frame();
SafeWriteLine("Frame id: " + frame.Id
+ ", timestamp: " + frame.Timestamp
+ ", hands: " + frame.Hands.Count
+ ", fingers: " + frame.Fingers.Count
+ ", tools: " + frame.Tools.Count
+ ", gestures: " + frame.Gestures().Count);
UpdateFrame(frame);
if (!frame.Hands.Empty)
{
// Get the first hand
Hand hand = frame.Hands[0];
// Check if the hand has any fingers
FingerList fingers = hand.Fingers;
if (!fingers.Empty)
{
// Calculate the hand's average finger tip position
Vector avgPos = Vector.Zero;
foreach (Finger finger in fingers)
{
avgPos += finger.TipPosition;
}
avgPos /= fingers.Count;
//SafeWriteLine("Hand has " + fingers.Count
// + " fingers, average finger tip position: " + avgPos);
}
// Get the hand's sphere radius and palm position
//SafeWriteLine("Hand sphere radius: " + hand.SphereRadius.ToString("n2")
// + " mm, palm position: " + hand.PalmPosition);
// Get the hand's normal vector and direction
Vector normal = hand.PalmNormal;
Vector direction = hand.Direction;
// Calculate the hand's pitch, roll, and yaw angles
//SafeWriteLine("Hand pitch: " + direction.Pitch * 180.0f / (float)Math.PI + " degrees, "
// + "roll: " + normal.Roll * 180.0f / (float)Math.PI + " degrees, "
// + "yaw: " + direction.Yaw * 180.0f / (float)Math.PI + " degrees");
}
// Get gestures
GestureList gestures = frame.Gestures();
for (int i = 0; i < gestures.Count; i++)
{
Gesture gesture = gestures[i];
switch (gesture.Type)
{
case Gesture.GestureType.TYPECIRCLE:
if (OnCircleGesture == null)
{
break;
}
CircleGesture circle = new CircleGesture(gesture);
// Calculate clock direction using the angle between circle normal and pointable
String clockwiseness;
if (circle.Pointable.Direction.AngleTo(circle.Normal) <= Math.PI / 4)
{
//Clockwise if angle is less than 90 degrees
clockwiseness = "clockwise";
}
else
{
clockwiseness = "counterclockwise";
}
float sweptAngle = 0;
// Calculate angle swept since last frame
if (circle.State != Gesture.GestureState.STATESTART)
{
CircleGesture previousUpdate = new CircleGesture(controller.Frame(1).Gesture(circle.Id));
sweptAngle = (circle.Progress - previousUpdate.Progress) * 360;
}
var cargs = new LeapListenerArgs(circle);
cargs.logdata = "Circle id: " + circle.Id
+ ", " + circle.State
+ ", progress: " + circle.Progress
+ ", radius: " + circle.Radius
+ ", angle: " + sweptAngle
+ ", " + clockwiseness;
OnCircleGesture(this, cargs);
//SafeWriteLine("Circle id: " + circle.Id
// + ", " + circle.State
// + ", progress: " + circle.Progress
// + ", radius: " + circle.Radius
// + ", angle: " + sweptAngle
// + ", " + clockwiseness);
break;
case Gesture.GestureType.TYPESWIPE:
if (OnSwipeGesture == null)
{
break;
}
SwipeGesture swipe = new SwipeGesture(gesture);
var sargs = new LeapListenerArgs(swipe);
sargs.logdata = "Swipe id: " + swipe.Id
+ ", " + swipe.State
+ ", position: " + swipe.Position
+ ", direction: " + swipe.Direction
+ ", speed: " + swipe.Speed;
OnSwipeGesture(this, sargs);
//SafeWriteLine("Swipe id: " + swipe.Id
// + ", " + swipe.State
// + ", position: " + swipe.Position
// + ", direction: " + swipe.Direction
// + ", speed: " + swipe.Speed);
break;
case Gesture.GestureType.TYPEKEYTAP:
if (OnKeyTapGesture == null)
{
break;
}
KeyTapGesture keytap = new KeyTapGesture(gesture);
var kargs = new LeapListenerArgs(keytap);
kargs.logdata = "Tap id: " + keytap.Id
+ ", " + keytap.State
+ ", position: " + keytap.Position
+ ", direction: " + keytap.Direction;
OnKeyTapGesture(this, kargs);
//SafeWriteLine("Tap id: " + keytap.Id
// + ", " + keytap.State
// + ", position: " + keytap.Position
// + ", direction: " + keytap.Direction);
break;
case Gesture.GestureType.TYPESCREENTAP:
if (OnScreenTapGesture == null)
{
break;
}
ScreenTapGesture screentap = new ScreenTapGesture(gesture);
var targs = new LeapListenerArgs(screentap);
targs.logdata = "Tap id: " + screentap.Id
+ ", " + screentap.State
+ ", position: " + screentap.Position
+ ", direction: " + screentap.Direction;
OnScreenTapGesture(this, targs);
//SafeWriteLine("Tap id: " + screentap.Id
// + ", " + screentap.State
// + ", position: " + screentap.Position
// + ", direction: " + screentap.Direction);
break;
default:
//SafeWriteLine("Unknown gesture type.");
break;
}
}
if (!frame.Hands.Empty || !frame.Gestures().Empty)
{
//SafeWriteLine("");
}
}
private void UpdateDeviceStatus(LeapDeviceState status)
{
lock (thisLock)
{
//fires the event only in the case of an event handler being present
if (OnDeviceStatusUpdate == null) return;
LeapListenerArgs args = new LeapListenerArgs(status);
OnDeviceStatusUpdate(this, args);
}
}
void listener_OnKeyTapGesture(object sender, LeapListenerArgs e)
{
PrintLog(e);
}
void listener_OnCircleGesture(object sender, LeapListenerArgs e)
{
PrintLog(e);
}
private void PrintLog(LeapListenerArgs e)
{
Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.High, () => { TextBlock_log.Text += "\n" + e.logdata; });
}
void ll_OnLogUpdate(object sender, LeapListenerArgs e)
{
//throw new NotImplementedException();
PrintLog(e);
}
void listener_OnScreenTapGesture(object sender, LeapListenerArgs e)
{
PrintLog(e);
}
void listener_OnFrameUpdate(object sender, LeapListenerArgs e)
{
Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.High, () =>
{
TextBlock_HandCount.Text = e.currentframe.Hands.Count.ToString();
TextBlock_FingerCount.Text = e.currentframe.Fingers.Count.ToString();
var frame = e.currentframe;
switch (frame.Hands.Count)
{
case 1: circle_left.Visibility = Visibility.Visible;
circle_right.Visibility = Visibility.Collapsed;
break;
case 2: circle_left.Visibility = Visibility.Visible;
circle_right.Visibility = Visibility.Visible;
break;
case 0:
circle_left.Visibility = Visibility.Collapsed;
circle_left.Visibility = Visibility.Collapsed;
break;
}
});
}
public override void OnFrame(Controller controller)
{
// Get the most recent frame and report some basic information
Frame frame = controller.Frame();
SafeWriteLine("Frame id: " + frame.Id
+ ", timestamp: " + frame.Timestamp
+ ", hands: " + frame.Hands.Count
+ ", fingers: " + frame.Fingers.Count
+ ", tools: " + frame.Tools.Count
+ ", gestures: " + frame.Gestures().Count);
UpdateFrame(frame);
if (!frame.Hands.Empty)
{
// Get the first hand
Hand hand = frame.Hands[0];
// Check if the hand has any fingers
FingerList fingers = hand.Fingers;
if (!fingers.Empty)
{
// Calculate the hand's average finger tip position
Vector avgPos = Vector.Zero;
foreach (Finger finger in fingers)
{
avgPos += finger.TipPosition;
}
avgPos /= fingers.Count;
//SafeWriteLine("Hand has " + fingers.Count
// + " fingers, average finger tip position: " + avgPos);
}
// Get the hand's sphere radius and palm position
//SafeWriteLine("Hand sphere radius: " + hand.SphereRadius.ToString("n2")
// + " mm, palm position: " + hand.PalmPosition);
// Get the hand's normal vector and direction
Vector normal = hand.PalmNormal;
Vector direction = hand.Direction;
// Calculate the hand's pitch, roll, and yaw angles
//SafeWriteLine("Hand pitch: " + direction.Pitch * 180.0f / (float)Math.PI + " degrees, "
// + "roll: " + normal.Roll * 180.0f / (float)Math.PI + " degrees, "
// + "yaw: " + direction.Yaw * 180.0f / (float)Math.PI + " degrees");
}
// Get gestures
GestureList gestures = frame.Gestures();
for (int i = 0; i < gestures.Count; i++)
{
Gesture gesture = gestures[i];
switch (gesture.Type)
{
case Gesture.GestureType.TYPECIRCLE:
if (OnCircleGesture == null) break;
CircleGesture circle = new CircleGesture(gesture);
// Calculate clock direction using the angle between circle normal and pointable
String clockwiseness;
if (circle.Pointable.Direction.AngleTo(circle.Normal) <= Math.PI / 4)
{
//Clockwise if angle is less than 90 degrees
clockwiseness = "clockwise";
}
else
{
clockwiseness = "counterclockwise";
}
float sweptAngle = 0;
// Calculate angle swept since last frame
if (circle.State != Gesture.GestureState.STATESTART)
{
CircleGesture previousUpdate = new CircleGesture(controller.Frame(1).Gesture(circle.Id));
sweptAngle = (circle.Progress - previousUpdate.Progress) * 360;
}
var cargs = new LeapListenerArgs(circle);
cargs.logdata = "Circle id: " + circle.Id
+ ", " + circle.State
+ ", progress: " + circle.Progress
+ ", radius: " + circle.Radius
+ ", angle: " + sweptAngle
+ ", " + clockwiseness;
OnCircleGesture(this, cargs);
//SafeWriteLine("Circle id: " + circle.Id
// + ", " + circle.State
// + ", progress: " + circle.Progress
// + ", radius: " + circle.Radius
// + ", angle: " + sweptAngle
// + ", " + clockwiseness);
break;
case Gesture.GestureType.TYPESWIPE:
if (OnSwipeGesture == null) break;
SwipeGesture swipe = new SwipeGesture(gesture);
var sargs = new LeapListenerArgs(swipe);
sargs.logdata = "Swipe id: " + swipe.Id
+ ", " + swipe.State
+ ", position: " + swipe.Position
+ ", direction: " + swipe.Direction
+ ", speed: " + swipe.Speed;
OnSwipeGesture(this, sargs);
//SafeWriteLine("Swipe id: " + swipe.Id
// + ", " + swipe.State
// + ", position: " + swipe.Position
// + ", direction: " + swipe.Direction
// + ", speed: " + swipe.Speed);
break;
case Gesture.GestureType.TYPEKEYTAP:
if (OnKeyTapGesture == null) break;
KeyTapGesture keytap = new KeyTapGesture(gesture);
var kargs = new LeapListenerArgs(keytap);
kargs.logdata = "Tap id: " + keytap.Id
+ ", " + keytap.State
+ ", position: " + keytap.Position
+ ", direction: " + keytap.Direction;
OnKeyTapGesture(this, kargs);
//SafeWriteLine("Tap id: " + keytap.Id
// + ", " + keytap.State
// + ", position: " + keytap.Position
// + ", direction: " + keytap.Direction);
break;
case Gesture.GestureType.TYPESCREENTAP:
if (OnScreenTapGesture == null) break;
ScreenTapGesture screentap = new ScreenTapGesture(gesture);
var targs = new LeapListenerArgs(screentap);
targs.logdata = "Tap id: " + screentap.Id
+ ", " + screentap.State
+ ", position: " + screentap.Position
+ ", direction: " + screentap.Direction;
OnScreenTapGesture(this, targs);
//SafeWriteLine("Tap id: " + screentap.Id
// + ", " + screentap.State
// + ", position: " + screentap.Position
// + ", direction: " + screentap.Direction);
break;
default:
//SafeWriteLine("Unknown gesture type.");
break;
}
}
if (!frame.Hands.Empty || !frame.Gestures().Empty)
{
//SafeWriteLine("");
}
}
private void UpdateFrame(Frame frame)
{
lock (thisLock)
{
//fires the event only in the case of an event handler being present
if (OnFrameUpdate == null) return;
LeapListenerArgs args = new LeapListenerArgs(frame);
OnFrameUpdate(this, args);
}
}
void ll_OnLogUpdate(object sender, LeapListenerArgs e)
{
//throw new NotImplementedException();
PrintLog(e);
}
private void PrintLog(LeapListenerArgs e)
{
Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.High, () => { TextBlock_log.Text += "\n" + e.logdata; });
}
void listener_OnDeviceStatusUpdate(object sender, LeapListenerArgs e)
{
Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.High, () =>
{
string texttodisplay = "";
switch (e.devicestatus)
{
case LeapDeviceState.connected: texttodisplay = "Connected"; break;
case LeapDeviceState.disconnected: texttodisplay = "Disconnected"; break;
case LeapDeviceState.exited: texttodisplay = "Exited"; break;
case LeapDeviceState.initialized: texttodisplay = "Initialized"; break;
}
TextBlock_DeviceStatus.Text = texttodisplay;
});
}
void listener_OnCircleGesture(object sender, LeapListenerArgs e)
{
PrintLog(e);
}
private void SafeWriteLine(String line)
{
lock (thisLock)
{
// System.Diagnostics.Debug.WriteLine(line);
System.Diagnostics.Debug.WriteLine("Leap Output:" + line);
//fires the event only in the case of an event handler being present
if (OnLogUpdate == null) return;
LeapListenerArgs args = new LeapListenerArgs(line);
OnLogUpdate(this, args);
}
}
