/// <summary>
/// Draw a line between two joints in a canvas
/// </summary>
/// <param name="canvas">the canvas</param>
/// <param name="jstart">the joint where to start the line</param>
/// <param name="jend">the joint where to end the line</param>
/// <param name="vskeleton">the visual skeleton</param>
private static void DrawLineBetween(Canvas canvas, Joint jstart, Joint jend, VisualSkeleton vskeleton)
{
if (vskeleton.positionMap.ContainsKey(jstart) && vskeleton.positionMap.ContainsKey(jend))
{
Line l = new Line();
l.X1 = vskeleton.positionMap[jstart].X;
l.Y1 = vskeleton.positionMap[jstart].Y;
l.X2 = vskeleton.positionMap[jend].X;
l.Y2 = vskeleton.positionMap[jend].Y;
if (jstart.TrackingState == JointTrackingState.Inferred &&
jend.TrackingState == JointTrackingState.Inferred)
{
l.Stroke = Brushes.Yellow;
l.StrokeThickness = 3;
}
else if (jstart.TrackingState == JointTrackingState.Tracked &&
jend.TrackingState == JointTrackingState.Tracked)
{
l.Stroke = Brushes.Green;
l.StrokeThickness = 3;
}
else if (jstart.TrackingState == JointTrackingState.NotTracked ||
jend.TrackingState == JointTrackingState.NotTracked)
{
l.Stroke = Brushes.Transparent;
l.StrokeThickness = 0;
}
canvas.Children.Add(l);
}
}
/// <summary>
/// Draw a line between two joints in a canvas
/// </summary>
/// <param name="canvas">the canvas</param>
/// <param name="jstart">the joint where to start the line</param>
/// <param name="jend">the joint where to end the line</param>
/// <param name="vskeleton">the visual skeleton</param>
private static void DrawLineBetween(Canvas canvas, Joint jstart, Joint jend, VisualSkeleton vskeleton)
{
if (vskeleton.positionMap.ContainsKey(jstart) && vskeleton.positionMap.ContainsKey(jend))
{
Line l = new Line();
l.X1 = vskeleton.positionMap[jstart].X;
l.Y1 = vskeleton.positionMap[jstart].Y;
l.X2 = vskeleton.positionMap[jend].X;
l.Y2 = vskeleton.positionMap[jend].Y;
if (jstart.TrackingState == JointTrackingState.Inferred &&
jend.TrackingState == JointTrackingState.Inferred)
{
l.Stroke = Brushes.Yellow;
l.StrokeThickness = 3;
}
else if (jstart.TrackingState == JointTrackingState.Tracked &&
jend.TrackingState == JointTrackingState.Tracked)
{
l.Stroke = Brushes.Green;
l.StrokeThickness = 3;
}
else if (jstart.TrackingState == JointTrackingState.NotTracked ||
jend.TrackingState == JointTrackingState.NotTracked)
{
l.Stroke = Brushes.Transparent;
l.StrokeThickness = 0;
}
canvas.Children.Add(l);
}
}
/// <summary>
/// Draw the skeleton joints
/// </summary>
/// <param name="canvas">the canvas where to draw the skeletons</param>
/// <param name="vskeleton">the visual skeleton</param>
private static void DrawJoints(Canvas canvas, VisualSkeleton vskeleton)
{
foreach (Joint j in vskeleton.skeleton.Joints)
{
if (vskeleton.visualMap.ContainsKey(j) && vskeleton.positionMap.ContainsKey(j))
{
Ellipse e = vskeleton.visualMap[j];
Point2D pos = vskeleton.positionMap[j];
Canvas.SetLeft(e, pos.X);
Canvas.SetTop(e, pos.Y);
canvas.Children.Add(e);
}
}
}
/// <summary>
/// Draw the skeleton joints
/// </summary>
/// <param name="canvas">the canvas where to draw the skeletons</param>
/// <param name="vskeleton">the visual skeleton</param>
private static void DrawJoints(Canvas canvas, VisualSkeleton vskeleton)
{
foreach (Joint j in vskeleton.skeleton.Joints)
{
if (vskeleton.visualMap.ContainsKey(j) && vskeleton.positionMap.ContainsKey(j))
{
Ellipse e = vskeleton.visualMap[j];
Point2D pos = vskeleton.positionMap[j];
Canvas.SetLeft(e, pos.X);
Canvas.SetTop(e, pos.Y);
canvas.Children.Add(e);
}
}
}
/// <summary>
/// draw in the canvas the visual skeleton scaled to the canvas size
/// </summary>
/// <param name="canvas">the canvas</param>
/// <param name="skeleton">the visual skeleton</param>
/// <param name="color">the color of the skeleton</param>
public static void DrawSkeleton(this Canvas canvas, Skeleton skeleton, Brush color)
{
//create the visual skeleton
VisualSkeleton vskeleton = new VisualSkeleton(skeleton, color);
//transform the data into the correct space
foreach (Joint j in skeleton.Joints)
{
vskeleton.positionMap.Add(j, j.Get2DPosition(KinectHelper.Instance._sensor, (int)canvas.Width, (int)canvas.Height));
}
///////
// Draw the joints
///////
DrawJoints(canvas, vskeleton);
///////
// Draw the lines
///////
DrawLines(canvas, vskeleton);
}
/// <summary>
/// draw in the canvas the visual skeleton scaled to the canvas size
/// </summary>
/// <param name="canvas">the canvas</param>
/// <param name="skeleton">the visual skeleton</param>
/// <param name="color">the color of the skeleton</param>
public static void DrawSkeleton(this Canvas canvas, Skeleton skeleton, Brush color)
{
//create the visual skeleton
VisualSkeleton vskeleton = new VisualSkeleton(skeleton, color);
//transform the data into the correct space
foreach (Joint j in skeleton.Joints)
{
vskeleton.positionMap.Add(j, j.Get2DPosition(KinectHelper.Instance._sensor, (int)canvas.Width, (int)canvas.Height));
}
///////
// Draw the joints
///////
DrawJoints(canvas, vskeleton);
///////
// Draw the lines
///////
DrawLines(canvas, vskeleton);
}
/// <summary>
/// Draw the skeleton lines
/// </summary>
/// <param name="canvas">the canvas where to draw the skeletons</param>
/// <param name="vskeleton">the visual skeleton</param>
private static void DrawLines(Canvas canvas, VisualSkeleton vskeleton)
{
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.HandLeft], vskeleton.skeleton.Joints[JointType.WristLeft], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.WristLeft], vskeleton.skeleton.Joints[JointType.ElbowLeft], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.ElbowLeft], vskeleton.skeleton.Joints[JointType.ShoulderLeft], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.ShoulderLeft], vskeleton.skeleton.Joints[JointType.ShoulderCenter], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.HandRight], vskeleton.skeleton.Joints[JointType.WristRight], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.WristRight], vskeleton.skeleton.Joints[JointType.ElbowRight], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.ElbowRight], vskeleton.skeleton.Joints[JointType.ShoulderRight], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.ShoulderRight], vskeleton.skeleton.Joints[JointType.ShoulderCenter], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.Head], vskeleton.skeleton.Joints[JointType.ShoulderCenter], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.ShoulderCenter], vskeleton.skeleton.Joints[JointType.Spine], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.Spine], vskeleton.skeleton.Joints[JointType.HipCenter], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.HipCenter], vskeleton.skeleton.Joints[JointType.HipLeft], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.HipLeft], vskeleton.skeleton.Joints[JointType.KneeLeft], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.KneeLeft], vskeleton.skeleton.Joints[JointType.AnkleLeft], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.AnkleLeft], vskeleton.skeleton.Joints[JointType.FootLeft], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.HipCenter], vskeleton.skeleton.Joints[JointType.HipRight], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.HipRight], vskeleton.skeleton.Joints[JointType.KneeRight], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.KneeRight], vskeleton.skeleton.Joints[JointType.AnkleRight], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.AnkleRight], vskeleton.skeleton.Joints[JointType.FootRight], vskeleton);
}
/// <summary>
/// Draw the skeleton lines
/// </summary>
/// <param name="canvas">the canvas where to draw the skeletons</param>
/// <param name="vskeleton">the visual skeleton</param>
private static void DrawLines(Canvas canvas, VisualSkeleton vskeleton)
{
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.HandLeft], vskeleton.skeleton.Joints[JointType.WristLeft], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.WristLeft], vskeleton.skeleton.Joints[JointType.ElbowLeft], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.ElbowLeft], vskeleton.skeleton.Joints[JointType.ShoulderLeft], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.ShoulderLeft], vskeleton.skeleton.Joints[JointType.ShoulderCenter], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.HandRight], vskeleton.skeleton.Joints[JointType.WristRight], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.WristRight], vskeleton.skeleton.Joints[JointType.ElbowRight], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.ElbowRight], vskeleton.skeleton.Joints[JointType.ShoulderRight], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.ShoulderRight], vskeleton.skeleton.Joints[JointType.ShoulderCenter], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.Head], vskeleton.skeleton.Joints[JointType.ShoulderCenter], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.ShoulderCenter], vskeleton.skeleton.Joints[JointType.Spine], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.Spine], vskeleton.skeleton.Joints[JointType.HipCenter], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.HipCenter], vskeleton.skeleton.Joints[JointType.HipLeft], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.HipLeft], vskeleton.skeleton.Joints[JointType.KneeLeft], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.KneeLeft], vskeleton.skeleton.Joints[JointType.AnkleLeft], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.AnkleLeft], vskeleton.skeleton.Joints[JointType.FootLeft], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.HipCenter], vskeleton.skeleton.Joints[JointType.HipRight], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.HipRight], vskeleton.skeleton.Joints[JointType.KneeRight], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.KneeRight], vskeleton.skeleton.Joints[JointType.AnkleRight], vskeleton);
DrawLineBetween(canvas, vskeleton.skeleton.Joints[JointType.AnkleRight], vskeleton.skeleton.Joints[JointType.FootRight], vskeleton);
}