/// <summary>
/// Create deep copy of this sequence.
/// </summary>
/// <returns>Copy of sequence.</returns>
public DirectionSequence Clone()
{
DirectionSequence newSeq = new DirectionSequence(this.type);
newSeq.sequence = new List<DirectionRecognition.Directions>(this.sequence);
newSeq.type = this.type;
return newSeq;
}
/// <summary>
/// Try to recognize single poitn gesture. Used instead of RecognizeGestureForMultipleSequences, unless propper gesture end detection with multiple points isnt finished.
/// </summary>
/// <param name="joint">Type of tracked joint.</param>
/// <param name="seq">Recognized sequence.</param>
private void RecognizeGestureForSingleSequences(JointType joint, DirectionSequence seq)
{
Dictionary<JointType, int[]> observations = new Dictionary<JointType, int[]>();
//is not sequence "empty"
if (!seq.IsMostlyStill())
{
//cleanup sequence
seq.Trim();
//emit evet on sequence ready
OnSequenceReady(seq);
//fill up observation field
observations.Add(joint, seq.ToArray);
//recognize
if (observations.Count > 0)
RecognizeGesture(observations);
}
//clear sequence
seq.Clear();
}
/// <summary>
/// Creates new instance by passing sequence data.
/// </summary>
/// <param name="seq">Should be copy of recorded sequence data (original data can be erased after this call).</param>
public SequenceEventArgs(DirectionSequence seq)
{
Sequence = seq;
}
/// <summary>
/// Emits SequenceReady event.
/// </summary>
/// <remarks>Create copy of passed sequence, so it can be changed/cleared after call.</remarks>
/// <param name="sequence">Sequence to be added into event arguments.</param>
private void OnSequenceReady(DirectionSequence sequence)
{
//create copy of sequence (sequence is recycling in normal case) only if there if any listener
if (SequenceReady != null)
SequenceReady(this, new SequenceEventArgs(sequence.Clone()));
}