private KinectSensor sensor; //Kinect sensor attached to the system
public MainWindow()
{
InitializeComponent();
gp = new gestureProcessor();
/*This code creates the paint canvas, adjusts its size to that of the underlying display size and
* adds the grey background color to it */
Color c = Color.FromRgb(108, 108, 108);
SolidColorBrush s = new SolidColorBrush();
s.Color = c;
name.Background = s;
name.Width = SystemParameters.PrimaryScreenWidth;
PaintCanvas.Background = s;
PaintCanvas.Height = SystemParameters.PrimaryScreenHeight;
PaintCanvas.Width = SystemParameters.PrimaryScreenWidth;
UNCCLearning.Content = PaintCanvas;
//Load node data from the database
loadData data = new loadData();
//Group the nodes by discipline, and assign them to the five cluster objects
subtype = new string[5] {
"sec", "hci", "sw", "hcip", "iis"
};
reorderClusters(subtype);
//Draw the re-cluster information button on the screen
MainWindow.drawButton(120, 950);
//Set a 5 second timer
timer = new System.Windows.Threading.DispatcherTimer();
timer.Interval = TimeSpan.FromSeconds(5); //Set the interval period here.
timer.Tick += new EventHandler(timer_Tick); // After every 5 seconds this event handler is called
timer.Start();
}
/*
* This function deals with the skeleton frame data as soon as it is ready
*/
private void SensorSkeletonFrameReady(object sender, SkeletonFrameReadyEventArgs e)
{
Skeleton[] skeletons = new Skeleton[0];
//copy all the available skeleton frames
using (SkeletonFrame skeletonFrame = e.OpenSkeletonFrame())
{
if (skeletonFrame != null)
{
skeletons = new Skeleton[skeletonFrame.SkeletonArrayLength];
skeletonFrame.CopySkeletonDataTo(skeletons);
}
}
//if the number of skeletons is greater than 0
if (skeletons.Length != 0)
{
//check if any skeleton is being tracked, i.e., it is within the kinect sensor's range,
//choose this skeleton as the active one
for (int s = 0; s < skeletons.Length; s++)
{
skel = skeletons[s];
if (skel.TrackingState == SkeletonTrackingState.Tracked)
{
break;
}
}
//check if this skeleton is being tracked
if (skel.TrackingState == SkeletonTrackingState.Tracked)
{
//Switch the system to active mode
if (activestate == 0)
{
//disable color stream and stop displaying video
this.sensor.ColorStream.Disable();
PaintCanvas.Children.Remove(im);
PaintCanvas.Children.Clear();
//stop timer
timer.Stop();
//all nodes should now be in the default state
c1.changeClusterState("default");
c2.changeClusterState("default");
c3.changeClusterState("default");
c4.changeClusterState("default");
c5.changeClusterState("default");
//display the five clusters on screen
MainWindow.c1.displayCluster(defNodeProp, 100, 80, 20, false);
MainWindow.c2.displayCluster(defNodeProp, 550, 1150, 20, false);
MainWindow.c3.displayCluster(defNodeProp, 550, 80, 20, false);
MainWindow.c4.displayCluster(defNodeProp, 100, 1150, 20, false);
MainWindow.c5.displayCluster(defNodeProp, 440, 650, 20, false);
activestate = 1; //system is now in the active state
gestureProcessor.RframeCount = 0; //reset left and right hand frame counters
gestureProcessor.LframeCount = 0;
drawButton(120, 700); //draw the change information layout button
}
//Change the default system description text from "Get Involved" to "Explore the SIS Department"
if (PaintCanvas.Children.Contains(name))
{
PaintCanvas.Children.Remove(name);
name.FontSize = 60;
name.Opacity = 0.5;
name.Content = "Explore The SIS Department!";
name.Visibility = System.Windows.Visibility.Visible;
PaintCanvas.Children.Add(name);
}
else
{
name.Content = "Explore The SIS Department!";
name.FontSize = 60;
name.Opacity = 0.5;
name.Visibility = System.Windows.Visibility.Visible;
PaintCanvas.Children.Add(name);
}
//Start detecting gestures
gp.gestureDetector();
}
//if the skeleton is not being tracked i.e., out of the sensor's range, switch the system to standby mode
else if (skel.TrackingState == SkeletonTrackingState.NotTracked)
{
//start timer
timer.Start();
//system is not active
activestate = 0;
//reset the gesture processor
gp = new gestureProcessor();
gestureProcessor.state = "";
//remove all visual elements except video and system title
for (int i = 0; i < PaintCanvas.Children.Count; i++)
{
if (PaintCanvas.Children[i] != im && PaintCanvas.Children[i] != name)
{
PaintCanvas.Children.RemoveAt(i);
}
}
//enable color stream
this.sensor.ColorStream.Enable();
}
}
}
