/// <summary>
/// Recognizes a <see cref="TangibleObject"/> from given touch points.
/// </summary>
/// <param name="points">The collection with touch points.</param>
/// <returns>an instance of <see cref="TangibleObject"/>.</returns>
public static TangibleObject Recognize(IEnumerable<TouchPoint> points)
{
var pointTuple = RecognizeCore(points);
if (pointTuple == null)
return null;
TangibleObject tangibleObject = new TangibleObject(pointTuple.Item1, pointTuple.Item2, pointTuple.Item3);
return tangibleObject;
}
/// <summary>
/// Creates a new instance of <see cref="TangibleObjectControl"/> for a given <see cref="TangibleObject"/>.
/// </summary>
/// <param name="tangibleObject">The tangible object.</param>
/// <param name="tangibleCanvas">The tangible canvas that hosts the tangible object.</param>
internal TangibleObjectController(TangibleObject tangibleObject, TangibleCanvas tangibleCanvas)
{
Check.NotNull(tangibleObject, "tangibleObject");
Check.NotNull(tangibleCanvas, "tangibleCanvas");
_tangibleObject = tangibleObject;
_tangibleCanvas = tangibleCanvas;
//InitializeTopLine();
InitializePhysicBoundaries();
//InitializeTangibleObjectData();
}
internal static double GetTangibleRotation(TangibleObject owner)
{
var point1 = owner.LeftPoint;
var point2 = owner.RightPoint;
return GetAngleBetween(point1, point2);
}
/// <summary>
/// Creates physic boundary.
/// </summary>
/// <param name="tangibleObject">The tangible object.</param>
/// <returns>a new instance of <see cref="TangibleObjectControl"/>.</returns>
static TangibleObjectControl CreatePhysicBoundary(TangibleObject tangibleObject)
{
var control = new TangibleObjectControl();
return control;
}
/// <summary>
/// Removes an user associated with a tangible object.
/// </summary>
/// <param name="tangibleObject">The tangible object.</param>
void RemoveUser(TangibleObject tangibleObject)
{
var associatedUser = _associatedTangibleObjects[tangibleObject];
//RemoveContacts(associatedUser);
_associatedTangibleObjects.Remove(tangibleObject);
}
/// <summary>
/// Creates a line.
/// </summary>
/// <param name="tangibleObject">The tangible object.</param>
/// <returns>the line.</returns>
static Line CreateLine(TangibleObject tangibleObject)
{
Check.NotNull(tangibleObject, "tangibleObject");
Line topLine = new Line();
topLine.Stroke = new SolidColorBrush(Colors.DarkBlue);
topLine.StrokeThickness = 5;
// Bind properties
Binding x1Binding = new Binding()
{
Source = tangibleObject.TopLine.Point1,
Path = new Windows.UI.Xaml.PropertyPath("X"),
Mode = BindingMode.OneWay,
UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged,
};
topLine.SetBinding(Line.X1Property, x1Binding);
Binding y1Binding = new Binding()
{
Source = tangibleObject.TopLine.Point1,
Path = new Windows.UI.Xaml.PropertyPath("Y"),
Mode = BindingMode.OneWay,
UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged,
};
topLine.SetBinding(Line.Y1Property, y1Binding);
Binding x2Binding = new Binding()
{
Source = tangibleObject.TopLine.Point2,
Path = new Windows.UI.Xaml.PropertyPath("X"),
Mode = BindingMode.OneWay,
UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged,
};
topLine.SetBinding(Line.X2Property, x2Binding);
Binding y2Binding = new Binding()
{
Source = tangibleObject.TopLine.Point2,
Path = new Windows.UI.Xaml.PropertyPath("Y"),
Mode = BindingMode.OneWay,
UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged,
};
topLine.SetBinding(Line.Y2Property, y2Binding);
return topLine;
}
private void OnTangibleObjectDetected(TangibleObject newTangibleObject)
{
_tangibleObjects.Add(newTangibleObject);
UserId freeUser;
if (HasFreeUser(out freeUser))
AssociateUser(freeUser, newTangibleObject);
_controllers.Add(newTangibleObject, new TangibleObjectController(newTangibleObject, this));
}
void OnTangibleObjectReleased(TangibleObject tangibleObject)
{
_tangibleObjects.Remove(tangibleObject);
// Remove the physic controller
var physicControler = GetController(tangibleObject);
physicControler.Dispose();
_controllers.Remove(tangibleObject);
RemoveUser(tangibleObject);
}
/// <summary>
/// Gets the <see cref="TangibleObjectController"/> of a given <see cref="TangibleObject"/>.
/// </summary>
/// <param name="tangibleObject">The tangible object.</param>
/// <returns>the <see cref="TangibleObjectController"/> of a given <see cref="TangibleObject"/>.</returns>
TangibleObjectController GetController(TangibleObject tangibleObject)
{
return _controllers[tangibleObject];
}
/// <summary>
/// Associates a tangible object with user.
/// </summary>
/// <param name="user">The user.</param>
/// <param name="tangibleObject">The tangible object.</param>
void AssociateUser(UserId user, TangibleObject tangibleObject)
{
_associatedTangibleObjects.Add(tangibleObject, user);
tangibleObject.Data = user;
//ShowUserContacts(user);
}
/// <summary>
/// Removes a <see cref="TangibleObject"/> from the local collection.
/// </summary>
/// <param name="tangibleObject">The tangible object to be removed.</param>
void RemoveTangibleObject(TangibleObject tangibleObject)
{
Check.NotNull(tangibleObject, "tangibleObject");
tangibleObject.Dispose();
_detectedObjects.Remove(tangibleObject);
OnTangibleObjectReleased(tangibleObject);
}
/// <summary>
/// Adds a <see cref="TangibleObject"/> to the local collection.
/// </summary>
/// <param name="tangibleObject">The tangible object.</param>
void AddTangibleObject(TangibleObject tangibleObject)
{
Check.NotNull(tangibleObject, "tangibleObject");
_detectedObjects.Add(tangibleObject);
OnTangibleObjectDetected(tangibleObject);
}
/// <summary>
/// Raises the <see cref="TangibleObjectReleased"/> event.
/// </summary>
/// <param name="tangibleObject">The released tangible object.</param>
protected virtual void OnTangibleObjectReleased(TangibleObject tangibleObject)
{
Check.NotNull(tangibleObject, "tangibleObject");
var handler = TangibleObjectReleased;
handler?.Invoke(tangibleObject);
}