private SkeletonTracking(KinectSensor sensor)
{
Contract.Requires(sensor != null);
mySensor = sensor;
var skeletonFrames =
mySensor
.SkeletonFrames
.Select(sf => sf.SkeletonFrame);
//skeletonFrames
// .Sample(TimeSpan.FromSeconds(5.0))
// .Subscribe(PrintSkeletonFrames);
_SkeletonPresent = skeletonFrames
.Select(sf => sf.Skeletons.Any(skel => skel.TrackingState != SkeletonTrackingState.NotTracked))
.DistinctUntilChanged();
mySkeletonTracker = new SkeletonDispatcher(skeletonFrames.Select(sf => sf.Skeletons));
}
private static void AddRuntimeOptions(KinectSensor sensor, RuntimeOptions options)
{
Contract.Requires(sensor != null);
sensor.myOptions |= options;
sensor.Device.Uninitialize();
sensor.Device.Initialize(sensor.myOptions);
}
/// <summary>
/// Initializes a new instance of the <see cref="SkeletonTracking"/> class using the Kinect sensor at the specified index.
/// </summary>
/// <param name="sensorIndex">Index of the Kinect sensor to use.</param>
public SkeletonTracking(int sensorIndex)
: this(KinectSensor.Start(RuntimeOptions.UseSkeletalTracking, sensorIndex))
{
Contract.Requires(sensorIndex >= 0 && sensorIndex < Runtime.Kinects.Count);
}
/// <summary>
/// Starts the Kinect with the specified options.
/// </summary>
/// <param name="options">The options to run the Kinect with as a set of flags.</param>
/// <param name="kinectIndex">Index of the Kinect device you want to start, unless you have multiple Kinects attached you want to use the default value of 0.</param>
/// <returns>A sensor instance which will allow you to operate on the Kinect that was just started.</returns>
public static KinectSensor Start(RuntimeOptions options, int kinectIndex = 0)
{
Contract.Requires(0 < Runtime.Kinects.Count);
Contract.Requires(kinectIndex >= 0 && kinectIndex < Runtime.Kinects.Count);
Contract.Ensures(Contract.Result<KinectSensor>() != null && ReferenceEquals(Contract.Result<KinectSensor>().Device, Runtime.Kinects[kinectIndex]));
lock (ourKinectSensors)
{
if (ourKinectSensors[kinectIndex] != null)
AddRuntimeOptions(ourKinectSensors[kinectIndex], options);
else
ourKinectSensors[kinectIndex] = new KinectSensor(kinectIndex, options);
return ourKinectSensors[kinectIndex];
}
}
/// <summary>
/// Initializes a new instance of the <see cref="SkeletonTracking"/> class using the default Kinect sensor.
/// </summary>
public SkeletonTracking()
: this(KinectSensor.Start(RuntimeOptions.UseSkeletalTracking))
{
}