/// <summary>
/// Initializes a new instance of the <see cref="GestureEventArgs"/> class.
/// </summary>
/// <param name="sample">The gesture that was performed.</param>
public GestureEventArgs(GestureSample sample)
{
this.GestureSample = sample;
}
/// <summary>
/// Invokes the event.
/// </summary>
/// <param name="touchEvent">The touch event.</param>
/// <param name="sample">The gesture sample.</param>
private void InvokeEvent(EventHandler<GestureEventArgs> touchEvent, GestureSample sample)
{
if (touchEvent != null)
{
touchEvent(this.Owner, new GestureEventArgs(sample));
}
}
/// <summary>
/// Handle the NoneState
/// </summary>
private void NoneState()
{
if (this.currentTouches.Count > 0)
{
TouchLocation touch = this.currentTouches[0];
this.currentCentroid = touch.Position;
this.gestureSample = new GestureSample();
this.gestureSample.IsNew = touch.IsNew;
this.gestureSample.DeltaScale = 1;
this.gestureSample.Type = GestureType.Pressed;
this.gestureSample.Position = this.currentCentroid;
this.InvokeEvent(this.TouchPressed, this.gestureSample);
this.startTapPosition = touch.Position;
this.state = GestureType.Pressed;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="TouchGestures"/> class.
/// By default, scale is within [0.1, 5], the delta scale is set to 1 and there is no
/// supported gesture.
/// </summary>
/// <param name="projectCamera">Indicates if the touches will be processed using Cameras</param>
public TouchGestures(bool projectCamera = true)
: base("TouchGestures" + instances++)
{
this.currentTouches = new List<TouchLocation>();
this.minScale = 0.1f;
this.maxScale = 5f;
this.gestureSample = new GestureSample { DeltaScale = 1 };
this.enabledGestures = SupportedGesture.None;
this.projectCamera = projectCamera;
}
/// <summary>
/// This methods is used to set default values by the default constructor of our classes.
/// This is called too when an entity is deserializing.
/// </summary>
protected override void DefaultValues()
{
base.DefaultValues();
this.currentTouches = new List<TouchLocation>();
this.minScale = 0.1f;
this.maxScale = 5f;
this.gestureSample = new GestureSample { DeltaScale = 1 };
this.enabledGestures = SupportedGesture.None;
this.ProjectCamera = true;
}
/// <summary>
/// Initializes a new instance of the <see cref="GestureEventArgs"/> class.
/// </summary>
/// <param name="sample">The gesture that was performed.</param>
public GestureEventArgs(GestureSample sample)
{
this.GestureSample = sample;
}
