private void OnGestureStarted(TwoFingerDragGesture gesture)
{
if (m_IsManipulating)
{
return;
}
if (CanStartManipulationForGesture(gesture))
{
m_IsManipulating = true;
gesture.onUpdated += OnUpdated;
gesture.onFinished += OnFinished;
OnStartManipulation(gesture);
}
}
void OnPanGestureStarted(InputAction.CallbackContext context)
{
if (m_ZoomGestureInProgress || m_PanGestureInProgress)
{
return;
}
TwoFingerDragGestureInteraction interaction = context.interaction as TwoFingerDragGestureInteraction;
if (interaction?.currentGesture != null)
{
TwoFingerDragGesture dragGesture = interaction?.currentGesture as TwoFingerDragGesture;
m_PanGestureInProgress = true;
dragGesture.onFinished += OnPanGestureFinished;
}
}
private void OnUpdated(TwoFingerDragGesture gesture)
{
if (!m_IsManipulating)
{
return;
}
// Can only transform selected Items.
if (ManipulationSystem.Instance.SelectedObject != gameObject)
{
m_IsManipulating = false;
OnEndManipulation(gesture);
return;
}
OnContinueManipulation(gesture);
}
void OnUpdated(TwoFingerDragGesture gesture)
{
if (!m_IsManipulating)
{
return;
}
// Can only transform selected Items.
if (!IsGameObjectSelected())
{
m_IsManipulating = false;
OnEndManipulation(gesture);
return;
}
OnContinueManipulation(gesture);
}
void OnPanGestureStarted(InputAction.CallbackContext context)
{
if (m_ZoomGestureInProgress || m_PanGestureInProgress)
{
return;
}
TwoFingerDragGestureInteraction interaction = context.interaction as TwoFingerDragGestureInteraction;
if (interaction?.currentGesture != null)
{
TwoFingerDragGesture dragGesture = interaction?.currentGesture as TwoFingerDragGesture;
m_PanGestureInProgress = true;
dragGesture.onFinished += OnPanGestureFinished;
Vector2 pos = Pointer.current.position.ReadValue();
m_Camera.PanStart(pos);
}
}
private void OnFinished(TwoFingerDragGesture gesture)
{
m_IsManipulating = false;
OnEndManipulation(gesture);
}
/// <summary>
/// Function called when the manipulation is ended.
/// </summary>
/// <param name="gesture">The current gesture.</param>
protected virtual void OnEndManipulation(TwoFingerDragGesture gesture)
{
// Optional override.
}
/// <summary>
/// Returns true if the manipulation can be started for the given gesture.
/// </summary>
/// <param name="gesture">The current gesture.</param>
/// <returns>True if the manipulation can be started.</returns>
protected virtual bool CanStartManipulationForGesture(TwoFingerDragGesture gesture)
{
return(false);
}
/// <summary>
/// Function called when the manipulation is ended.
/// </summary>
/// <param name="gesture">The current gesture.</param>
protected virtual void OnEndManipulation(TwoFingerDragGesture gesture)
{
}
/// <summary>
/// Function called when the manipulation is continued.
/// </summary>
/// <param name="gesture">The current gesture.</param>
protected virtual void OnContinueManipulation(TwoFingerDragGesture gesture)
{
}
void OnPanGestureFinished(TwoFingerDragGesture dragGesture)
{
m_PanGestureInProgress = false;
}
