/// <summary>
/// Adds the handpoints to the body.
/// </summary>
/// /// <remarks>
/// The new candidate hands are compared to average location of previous hands for bodies with same id, to identify if the candidate hands are left or right.
/// </remarks>
public void AddHands(List<int> handPoints)
{
List<CameraSpacePoint> handCenterPoints = BodyUtils.GroupHandPoints(handPoints);
Hand[] newHands = new Hand[2];
var averageHandLocationsLastFrames = BodyUtils.GetAverageHandLocationsLastFrames(Id);
CameraSpacePoint avgFirstHandPoint = averageHandLocationsLastFrames[0];
CameraSpacePoint avgSecondHandPoint = averageHandLocationsLastFrames[1];
var distancesToHandAverages = BodyUtils.GetDistancesToHandAveragesLastFrames(handCenterPoints, avgFirstHandPoint, avgSecondHandPoint);
var sortedDistancesToHandAverages = distancesToHandAverages.OrderBy(kvp => kvp.Value);
if (BodyUtils.HasFirstHandTracking(Id) || BodyUtils.HasSecondHandTracking(Id))
{
bool[] handsUsed = { false, false };
foreach (var distance in sortedDistancesToHandAverages)
{
if (distance.Key == 0)
{
if (BodyUtils.HasFirstHandTracking(Id))
{
if (distancesToHandAverages[distance.Key] < Thresholds.LastFramesHandMaxDistance)
{
Hand hand = new Hand(handCenterPoints[0], 0, avgFirstHandPoint);
if (newHands[0] == null && !handsUsed[0])
{
newHands[0] = hand;
handsUsed[0] = true;
}
}
}
else
{
Hand hand = new Hand(handCenterPoints[0], 0, avgFirstHandPoint);
if (newHands[0] == null && !handsUsed[0])
{
newHands[0] = hand;
handsUsed[0] = true;
}
}
}
else if (distance.Key == 1)
{
if (BodyUtils.HasSecondHandTracking(Id))
{
if (distancesToHandAverages[distance.Key] < Thresholds.LastFramesHandMaxDistance)
{
Hand hand = new Hand(handCenterPoints[0], 1, avgSecondHandPoint);
if (newHands[1] == null && !handsUsed[0])
{
newHands[1] = hand;
handsUsed[0] = true;
}
}
}
else
{
Hand hand = new Hand(handCenterPoints[0], 1, avgSecondHandPoint);
if (newHands[1] == null && !handsUsed[0])
{
newHands[1] = hand;
handsUsed[0] = true;
}
}
}
else if (distance.Key == 2)
{
if (BodyUtils.HasFirstHandTracking(Id))
{
if (distancesToHandAverages[distance.Key] < Thresholds.LastFramesHandMaxDistance)
{
Hand hand = new Hand(handCenterPoints[1], 0, avgFirstHandPoint);
if (newHands[0] == null && !handsUsed[1])
{
newHands[0] = hand;
handsUsed[1] = true;
}
}
}
else
{
Hand hand = new Hand(handCenterPoints[1], 0, avgFirstHandPoint);
if (newHands[0] == null && !handsUsed[1])
{
newHands[0] = hand;
handsUsed[1] = true;
}
}
}
else if (distance.Key == 3)
{
if (BodyUtils.HasSecondHandTracking(Id))
{
if (distancesToHandAverages[distance.Key] < Thresholds.LastFramesHandMaxDistance)
{
Hand hand = new Hand(handCenterPoints[1], 1, avgSecondHandPoint);
if (newHands[1] == null && !handsUsed[1])
{
newHands[1] = hand;
handsUsed[1] = true;
}
}
}
else
{
Hand hand = new Hand(handCenterPoints[1], 1, avgSecondHandPoint);
if (newHands[1] == null && !handsUsed[1])
{
newHands[1] = hand;
handsUsed[1] = true;
}
}
}
}
}
else
{
for (int i = 0; i < handCenterPoints.Count; i++)
{
newHands[i] = new Hand(handCenterPoints[i], i, new CameraSpacePoint() { X = float.NaN, Y = float.NaN, Z = float.NaN });
}
}
Hands = newHands;
}
/// <summary>
/// Adds the handpoints to the body.
/// </summary>
/// /// <remarks>
/// The new candidate hands are compared to average location of previous hands for bodies with same id, to identify if the candidate hands are left or right.
/// </remarks>
public void AddHands(List <int> handPoints)
{
List <CameraSpacePoint> handCenterPoints = BodyUtils.GroupHandPoints(handPoints);
Hand[] newHands = new Hand[2];
var averageHandLocationsLastFrames = BodyUtils.GetAverageHandLocationsLastFrames(Id);
CameraSpacePoint avgFirstHandPoint = averageHandLocationsLastFrames[0];
CameraSpacePoint avgSecondHandPoint = averageHandLocationsLastFrames[1];
var distancesToHandAverages = BodyUtils.GetDistancesToHandAveragesLastFrames(handCenterPoints, avgFirstHandPoint, avgSecondHandPoint);
var sortedDistancesToHandAverages = distancesToHandAverages.OrderBy(kvp => kvp.Value);
if (BodyUtils.HasFirstHandTracking(Id) || BodyUtils.HasSecondHandTracking(Id))
{
bool[] handsUsed = { false, false };
foreach (var distance in sortedDistancesToHandAverages)
{
if (distance.Key == 0)
{
if (BodyUtils.HasFirstHandTracking(Id))
{
if (distancesToHandAverages[distance.Key] < Thresholds.LastFramesHandMaxDistance)
{
Hand hand = new Hand(handCenterPoints[0], 0, avgFirstHandPoint);
if (newHands[0] == null && !handsUsed[0])
{
newHands[0] = hand;
handsUsed[0] = true;
}
}
}
else
{
Hand hand = new Hand(handCenterPoints[0], 0, avgFirstHandPoint);
if (newHands[0] == null && !handsUsed[0])
{
newHands[0] = hand;
handsUsed[0] = true;
}
}
}
else if (distance.Key == 1)
{
if (BodyUtils.HasSecondHandTracking(Id))
{
if (distancesToHandAverages[distance.Key] < Thresholds.LastFramesHandMaxDistance)
{
Hand hand = new Hand(handCenterPoints[0], 1, avgSecondHandPoint);
if (newHands[1] == null && !handsUsed[0])
{
newHands[1] = hand;
handsUsed[0] = true;
}
}
}
else
{
Hand hand = new Hand(handCenterPoints[0], 1, avgSecondHandPoint);
if (newHands[1] == null && !handsUsed[0])
{
newHands[1] = hand;
handsUsed[0] = true;
}
}
}
else if (distance.Key == 2)
{
if (BodyUtils.HasFirstHandTracking(Id))
{
if (distancesToHandAverages[distance.Key] < Thresholds.LastFramesHandMaxDistance)
{
Hand hand = new Hand(handCenterPoints[1], 0, avgFirstHandPoint);
if (newHands[0] == null && !handsUsed[1])
{
newHands[0] = hand;
handsUsed[1] = true;
}
}
}
else
{
Hand hand = new Hand(handCenterPoints[1], 0, avgFirstHandPoint);
if (newHands[0] == null && !handsUsed[1])
{
newHands[0] = hand;
handsUsed[1] = true;
}
}
}
else if (distance.Key == 3)
{
if (BodyUtils.HasSecondHandTracking(Id))
{
if (distancesToHandAverages[distance.Key] < Thresholds.LastFramesHandMaxDistance)
{
Hand hand = new Hand(handCenterPoints[1], 1, avgSecondHandPoint);
if (newHands[1] == null && !handsUsed[1])
{
newHands[1] = hand;
handsUsed[1] = true;
}
}
}
else
{
Hand hand = new Hand(handCenterPoints[1], 1, avgSecondHandPoint);
if (newHands[1] == null && !handsUsed[1])
{
newHands[1] = hand;
handsUsed[1] = true;
}
}
}
}
}
else
{
for (int i = 0; i < handCenterPoints.Count; i++)
{
newHands[i] = new Hand(handCenterPoints[i], i, new CameraSpacePoint()
{
X = float.NaN, Y = float.NaN, Z = float.NaN
});
}
}
Hands = newHands;
}
public Body(int id, TimeSpan timeStamp)
{
Id = id;
Hands = new Hand[2];
TimeStamp = timeStamp;
}
public Body(int id, TimeSpan timeStamp)
{
Id = id;
Hands = new Hand[2];
TimeStamp = timeStamp;
}
