public override bool OnFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY)
{
var result = false;
try
{
float diffY = e2.GetY() - e1.GetY();
float diffX = e2.GetX() - e1.GetX();
if (System.Math.Abs(diffX) > System.Math.Abs(diffY))
{
if (System.Math.Abs(diffX) > SWIPE_THRESHOLD && System.Math.Abs(velocityX) > SWIPE_VELOCITY_THRESHOLD)
{
if (diffX > 0)
{
Swipe?.Invoke(this, EventArgs.Empty);
}
result = true;
}
}
}
catch
{
return(false);
}
return(result);
}
SwipeGestureRecognizer GetSwipeGestureRecognizer(SwipeDirection direction)
{
var swipe = new SwipeGestureRecognizer {
Direction = direction
};
swipe.Swiped += (sender, e) => Swipe?.Invoke(this, e);
return(swipe);
}
public SwipeListener(Context context)
{
_context = context;
var listener = new GestureListener();
listener.Click += (s, e) => Click?.Invoke(this, EventArgs.Empty);
listener.Swipe += (s, e) => Swipe?.Invoke(this, EventArgs.Empty);
_gestureDetector = new GestureDetector(_context, listener);
}
/// <summary>
/// Called, when mouse/finger/pen swiped over map
/// </summary>
/// <param name="velocityX">Velocity in x direction in pixel/second</param>
/// <param name="velocityY">Velocity in y direction in pixel/second</param>
private bool OnSwiped(double velocityX, double velocityY)
{
var args = new SwipedEventArgs(velocityX, velocityY);
Swipe?.Invoke(this, args);
// TODO
// Perform standard behavior
return(args.Handled);
}
public void SwipeAway(Vector3 direction)
{
if (!_wasSwiped)
{
_wasSwiped = true;
Swipe?.Invoke();
_rigidbody.AddForce(Vector3.up * SWIPE_FORCE);
_rigidbody.AddForce(direction * SWIPE_FORCE);
_rigidbody.AddTorque(direction * SWIPE_FORCE, ForceMode.Impulse);
Destroy(gameObject, LIFETIME);
}
}
public static void OnSwipe(Point p)
{
if (p.X == 0 && p.Y == 0)
{
return;
}
var eX = p.X;
var eY = p.Y;
var d = Math.Sqrt(eX * eX + eY * eY);
if (d > 25 && _panJustBegun)
{
_panJustBegun = false;
var initialPos = new Point(_previousPosX, _previousPosY);
if (eX > 0)
{
if (eY > eX)
{
Swipe?.Invoke(initialPos, Direction.Bottom);
}
else if (Math.Abs(eY) > eX)
{
Swipe?.Invoke(initialPos, Direction.Top);
}
else
{
Swipe?.Invoke(initialPos, Direction.Right);
}
}
else
{
if (eY > Math.Abs(eX))
{
Swipe?.Invoke(initialPos, Direction.Bottom);
}
else if (Math.Abs(eY) > Math.Abs(eX))
{
Swipe?.Invoke(initialPos, Direction.Top);
}
else
{
Swipe?.Invoke(initialPos, Direction.Left);
}
}
}
}
/// <summary>
/// When implemented by a class, enables a server control to process an event raised when a form is posted to the server.
/// </summary>
/// <param name="eventArgument">A <see cref="T:System.String" /> that represents an optional event argument to be passed to the event handler.</param>
public void RaisePostBackEvent(string eventArgument)
{
var swipeInfo = new SwipePaymentInfo(eventArgument);
Swipe?.Invoke(this, new SwipeEventArgs(swipeInfo));
}
public void SwipeLeeftRight(object sender, SwipedEventArgs e)
{
Swipe?.Invoke(this, e);
}