public Form1()
{
// only one sensor is currently supported
this.kinectSensor = KinectSensor.GetDefault();
// set IsAvailableChanged event notifier
this.kinectSensor.IsAvailableChanged += this.Sensor_IsAvailableChanged;
// open the sensor
this.kinectSensor.Open();
// open the reader for the body frames
this.bodyFrameReader = this.kinectSensor.BodyFrameSource.OpenReader();
// set the BodyFramedArrived event notifier
this.bodyFrameReader.FrameArrived += this.Reader_BodyFrameArrived;
// initialize the gesture detection objects for our gestures
this.gestureDetectorList = new List <GestureDetector>();
InitializeComponent();
for (int i = 0; i < kinectSensor.BodyFrameSource.BodyCount; ++i)
{
GestureResultView result = new GestureResultView(i, false, false, 0.0f);
GestureDetector detector = new GestureDetector(this.kinectSensor, result);
gestureDetectorList.Add(detector);
}
}
/// <summary>
/// Initializes a new instance of the GestureDetector class along with the gesture frame source and reader
/// 与手势框架源和阅读器一起初始化GestureDetector类的新实例
/// </summary>
/// <param name="kinectSensor">
/// Active sensor to initialize the VisualGestureBuilderFrameSource object with
/// 启动的传感器，用来初始化VisualGestureBuilderFrameSource对象
/// </param>
/// <param name="gestureResultView">GestureResultView object to store gesture results of a single body to</param>
public GestureDetector(KinectSensor kinectSensor, GestureResultView gestureResultView)
{
if (kinectSensor == null)
{
throw new ArgumentNullException("kinectSensor");
}
if (gestureResultView == null)
{
throw new ArgumentNullException("gestureResultView");
}
this.GestureResultView = gestureResultView;
// 创建vgb源文件，当一个有效的身体帧从传感器到达时，相关的身体跟踪ID将被设置。
// create the vgb source. The associated body tracking ID will be set when a valid body frame arrives from the sensor.
this.vgbFrameSource = new VisualGestureBuilderFrameSource(kinectSensor, 0);
this.vgbFrameSource.TrackingIdLost += this.Source_TrackingIdLost;
// open the reader for the vgb frames
this.vgbFrameReader = this.vgbFrameSource.OpenReader();
if (this.vgbFrameReader != null)
{
this.vgbFrameReader.IsPaused = true;
this.vgbFrameReader.FrameArrived += this.Reader_GestureFrameArrived;
}
// 从手势数据库加载手势
// load a gesture from the gesture database
using (VisualGestureBuilderDatabase database = new VisualGestureBuilderDatabase(this.gestureDatabasePath)) {
// 添加可用手势
// we could load all available gestures in the database with a call to vgbFrameSource.AddGestures(database.AvailableGestures),
// but for this program, we only want to track one discrete gesture from the database, so we'll load it by name
vgbFrameSource.AddGestures(database.AvailableGestures);
}
}
