/// <summary>
/// Initializes a new instance of the <see cref="EyePositionEventArgs"/> class.
/// </summary>
/// <param name="leftEye">Position of the left eye.</param>
/// <param name="leftEyeNormalized">Normalized position of the left eye.</param>
/// <param name="rightEye">Position of the right eye.</param>
/// <param name="rightEyeNormalized">Normalized position of the right eye.</param>
/// <param name="timestamp">The point in time when the data point was captured. Milliseconds.</param>
public EyePositionEventArgs(EyePosition leftEye, EyePosition leftEyeNormalized, EyePosition rightEye, EyePosition rightEyeNormalized, double timestamp)
{
LeftEye = leftEye;
LeftEyeNormalized = leftEyeNormalized;
RightEye = rightEye;
RightEyeNormalized = rightEyeNormalized;
Timestamp = timestamp;
}
/// <summary>
/// Extracts data points from an event from the EyeX Engine.
/// </summary>
/// <param name="behaviors">The <see cref="Behavior"/> instances containing the event data.</param>
/// <returns>The collection of data points.</returns>
protected override IEnumerable <EyePositionEventArgs> ExtractDataPoints(IEnumerable <Behavior> behaviors)
{
foreach (var behavior in behaviors
.Where(behavior => behavior.BehaviorType == BehaviorType.EyePositionData))
{
EyePositionDataEventParams parameters;
if (behavior.TryGetEyePositionDataEventParams(out parameters))
{
var left = new EyePosition(parameters.HasLeftEyePosition != EyeXBoolean.False, parameters.LeftEyeX, parameters.LeftEyeY, parameters.LeftEyeZ);
var leftNormalized = new EyePosition(parameters.HasLeftEyePosition != EyeXBoolean.False, parameters.LeftEyeXNormalized, parameters.LeftEyeYNormalized, parameters.LeftEyeZNormalized);
var right = new EyePosition(parameters.HasRightEyePosition != EyeXBoolean.False, parameters.RightEyeX, parameters.RightEyeY, parameters.RightEyeZ);
var rightNormalized = new EyePosition(parameters.HasRightEyePosition != EyeXBoolean.False, parameters.RightEyeXNormalized, parameters.RightEyeYNormalized, parameters.RightEyeZNormalized);
yield return(new EyePositionEventArgs(left, leftNormalized, right, rightNormalized, parameters.Timestamp));
}
}
}
