/// <summary>
/// Draws a bone line between two joints
/// </summary>
/// <param name="skeleton">skeleton to draw bones from</param>
/// <param name="drawingContext">drawing context to draw to</param>
/// <param name="jointType0">joint to start drawing from</param>
/// <param name="jointType1">joint to end drawing at</param>
public static void DrawBone(TSkeleton skeleton, DrawingContext drawingContext, TJointType jointType0, TJointType jointType1)
{
TJoint joint0 = skeleton.Joints[(int)jointType0];
TJoint joint1 = skeleton.Joints[(int)jointType1];
// If we can't find either of these joints, exit
if (joint0.TrackingState == TJointTrackingState.NotTracked ||
joint1.TrackingState == TJointTrackingState.NotTracked)
{
return;
}
// Don't draw if both points are inferred
if (joint0.TrackingState == TJointTrackingState.Inferred &&
joint1.TrackingState == TJointTrackingState.Inferred)
{
return;
}
// We assume all drawn bones are inferred unless BOTH joints are tracked
Pen drawPen = inferredBonePen;
if (joint0.TrackingState == TJointTrackingState.Tracked && joint1.TrackingState == TJointTrackingState.Tracked)
{
drawPen = trackedBonePen;
}
drawingContext.DrawLine(drawPen, SkeletonPointToScreen(joint0.Position), SkeletonPointToScreen(joint1.Position));
}
public override void Read(BinaryReader reader)
{
Timestamp = reader.ReadInt64();
FrameNumber = reader.ReadInt32();
FloorClipPlane = new Tuple <float, float, float, float>(
reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle());
SkeletonArrayLength = reader.ReadInt32();
Skeletons = new TSkeleton[SkeletonArrayLength];
for (int i = 0; i < Skeletons.Length; i++)
{
Skeletons[i] = new TSkeleton();
Skeletons[i].Read(reader);
}
}
public TSkeletonFrame(SkeletonFrame sensorFrame)
{
var skeletonData = new Skeleton[sensorFrame.SkeletonArrayLength];
sensorFrame.CopySkeletonDataTo(skeletonData);
var skeletons = new TSkeleton[sensorFrame.SkeletonArrayLength];
for (int i = 0; i < sensorFrame.SkeletonArrayLength; i++)
{
skeletons[i] = new TSkeleton(skeletonData[i]);
}
Skeletons = skeletons;
FloorClipPlane = sensorFrame.FloorClipPlane;
SkeletonArrayLength = sensorFrame.SkeletonArrayLength;
FrameNumber = sensorFrame.FrameNumber;
Timestamp = sensorFrame.Timestamp;
}
/// <summary>
/// Draws indicators to show which edges are clipping skeleton data
/// </summary>
/// <param name="skeleton">skeleton to draw clipping information for</param>
/// <param name="drawingContext">drawing context to draw to</param>
public static void RenderClippedEdges(TSkeleton skeleton, DrawingContext drawingContext)
{
if (skeleton.ClippedEdges.HasFlag(TFrameEdges.Bottom))
{
drawingContext.DrawRectangle(
Brushes.Red,
null,
new Rect(0, RenderHeight - ClipBoundsThickness, RenderWidth, ClipBoundsThickness));
}
if (skeleton.ClippedEdges.HasFlag(TFrameEdges.Top))
{
drawingContext.DrawRectangle(
Brushes.Red,
null,
new Rect(0, 0, RenderWidth, ClipBoundsThickness));
}
if (skeleton.ClippedEdges.HasFlag(TFrameEdges.Left))
{
drawingContext.DrawRectangle(
Brushes.Red,
null,
new Rect(0, 0, ClipBoundsThickness, RenderHeight));
}
if (skeleton.ClippedEdges.HasFlag(TFrameEdges.Right))
{
drawingContext.DrawRectangle(
Brushes.Red,
null,
new Rect(RenderWidth - ClipBoundsThickness, 0, ClipBoundsThickness, RenderHeight));
}
}
/// <summary>
/// Draws a skeleton's bones and joints
/// </summary>
/// <param name="skeleton">skeleton to draw</param>
/// <param name="drawingContext">drawing context to draw to</param>
public static void DrawBonesAndJoints(TSkeleton skeleton, DrawingContext drawingContext)
{
// Render Torso
DrawBone(skeleton, drawingContext, TJointType.Head, TJointType.ShoulderCenter);
DrawBone(skeleton, drawingContext, TJointType.ShoulderCenter, TJointType.ShoulderLeft);
DrawBone(skeleton, drawingContext, TJointType.ShoulderCenter, TJointType.ShoulderRight);
DrawBone(skeleton, drawingContext, TJointType.ShoulderCenter, TJointType.Spine);
DrawBone(skeleton, drawingContext, TJointType.Spine, TJointType.HipCenter);
DrawBone(skeleton, drawingContext, TJointType.HipCenter, TJointType.HipLeft);
DrawBone(skeleton, drawingContext, TJointType.HipCenter, TJointType.HipRight);
// Left Arm
DrawBone(skeleton, drawingContext, TJointType.ShoulderLeft, TJointType.ElbowLeft);
DrawBone(skeleton, drawingContext, TJointType.ElbowLeft, TJointType.WristLeft);
DrawBone(skeleton, drawingContext, TJointType.WristLeft, TJointType.HandLeft);
// Right Arm
DrawBone(skeleton, drawingContext, TJointType.ShoulderRight, TJointType.ElbowRight);
DrawBone(skeleton, drawingContext, TJointType.ElbowRight, TJointType.WristRight);
DrawBone(skeleton, drawingContext, TJointType.WristRight, TJointType.HandRight);
// Left Leg
DrawBone(skeleton, drawingContext, TJointType.HipLeft, TJointType.KneeLeft);
DrawBone(skeleton, drawingContext, TJointType.KneeLeft, TJointType.AnkleLeft);
DrawBone(skeleton, drawingContext, TJointType.AnkleLeft, TJointType.FootLeft);
// Right Leg
DrawBone(skeleton, drawingContext, TJointType.HipRight, TJointType.KneeRight);
DrawBone(skeleton, drawingContext, TJointType.KneeRight, TJointType.AnkleRight);
DrawBone(skeleton, drawingContext, TJointType.AnkleRight, TJointType.FootRight);
// Render Joints
foreach (TJoint joint in skeleton.Joints)
{
Brush drawBrush = null;
if (joint.TrackingState == TJointTrackingState.Tracked)
{
drawBrush = trackedJointBrush;
}
else if (joint.TrackingState == TJointTrackingState.Inferred)
{
drawBrush = inferredJointBrush;
}
if (drawBrush != null)
{
drawingContext.DrawEllipse(drawBrush, null, SkeletonPointToScreen(joint.Position), JointThickness, JointThickness);
}
}
}
public void Draw(TSkeleton[] skeletons, bool seated)
{
if (rootCanvas == null)
{
return;
}
rootCanvas.Children.Clear();
foreach (TSkeleton skeleton in skeletons)
{
if (skeleton.TrackingState != TSkeletonTrackingState.Tracked)
continue;
Plot(TJointType.HandLeft, skeleton.Joints);
Trace(TJointType.HandLeft, TJointType.WristLeft, skeleton.Joints);
Plot(TJointType.WristLeft, skeleton.Joints);
Trace(TJointType.WristLeft, TJointType.ElbowLeft, skeleton.Joints);
Plot(TJointType.ElbowLeft, skeleton.Joints);
Trace(TJointType.ElbowLeft, TJointType.ShoulderLeft, skeleton.Joints);
Plot(TJointType.ShoulderLeft, skeleton.Joints);
Trace(TJointType.ShoulderLeft, TJointType.ShoulderCenter, skeleton.Joints);
Plot(TJointType.ShoulderCenter, skeleton.Joints);
Trace(TJointType.ShoulderCenter, TJointType.Head, skeleton.Joints);
Plot(TJointType.Head, TJointType.ShoulderCenter, skeleton.Joints);
Trace(TJointType.ShoulderCenter, TJointType.ShoulderRight, skeleton.Joints);
Plot(TJointType.ShoulderRight, skeleton.Joints);
Trace(TJointType.ShoulderRight, TJointType.ElbowRight, skeleton.Joints);
Plot(TJointType.ElbowRight, skeleton.Joints);
Trace(TJointType.ElbowRight, TJointType.WristRight, skeleton.Joints);
Plot(TJointType.WristRight, skeleton.Joints);
Trace(TJointType.WristRight, TJointType.HandRight, skeleton.Joints);
Plot(TJointType.HandRight, skeleton.Joints);
if (!seated)
{
Trace(TJointType.ShoulderCenter, TJointType.Spine, skeleton.Joints);
Plot(TJointType.Spine, skeleton.Joints);
Trace(TJointType.Spine, TJointType.HipCenter, skeleton.Joints);
Plot(TJointType.HipCenter, skeleton.Joints);
Trace(TJointType.HipCenter, TJointType.HipLeft, skeleton.Joints);
Plot(TJointType.HipLeft, skeleton.Joints);
Trace(TJointType.HipLeft, TJointType.KneeLeft, skeleton.Joints);
Plot(TJointType.KneeLeft, skeleton.Joints);
Trace(TJointType.KneeLeft, TJointType.AnkleLeft, skeleton.Joints);
Plot(TJointType.AnkleLeft, skeleton.Joints);
Trace(TJointType.AnkleLeft, TJointType.FootLeft, skeleton.Joints);
Plot(TJointType.FootLeft, skeleton.Joints);
Trace(TJointType.HipCenter, TJointType.HipRight, skeleton.Joints);
Plot(TJointType.HipRight, skeleton.Joints);
Trace(TJointType.HipRight, TJointType.KneeRight, skeleton.Joints);
Plot(TJointType.KneeRight, skeleton.Joints);
Trace(TJointType.KneeRight, TJointType.AnkleRight, skeleton.Joints);
Plot(TJointType.AnkleRight, skeleton.Joints);
Trace(TJointType.AnkleRight, TJointType.FootRight, skeleton.Joints);
Plot(TJointType.FootRight, skeleton.Joints);
}
}
}