private void TrackEngagedPlayersViaHandOverHead()
{
this.engagementPeopleHaveChanged = false;
var currentlyEngagedHands = KinectCoreWindow.KinectManualEngagedHands;
this.handsToEngage.Clear();
// check to see if anybody who is currently engaged should be disengaged
foreach (var bodyHandPair in currentlyEngagedHands)
{
var bodyTrackingId = bodyHandPair.BodyTrackingId;
foreach (var body in this.bodies)
{
if (body.TrackingId == bodyTrackingId)
{
// check for disengagement
JointType engagedHandJoint =
(bodyHandPair.HandType == HandType.LEFT) ? JointType.HandLeft : JointType.HandRight;
bool toBeDisengaged = HandOverheadEngagementModel.IsHandBelowHip(engagedHandJoint, body);
if (toBeDisengaged)
{
this.engagementPeopleHaveChanged = true;
}
else
{
this.handsToEngage.Add(bodyHandPair);
}
}
}
}
// check to see if anybody should be engaged, if not already engaged
foreach (var body in this.bodies)
{
if (this.handsToEngage.Count < this.engagedPeopleAllowed)
{
bool alreadyEngaged = false;
foreach (var bodyHandPair in this.handsToEngage)
{
alreadyEngaged = (body.TrackingId == bodyHandPair.BodyTrackingId);
}
if (!alreadyEngaged)
{
// check for engagement
if (HandOverheadEngagementModel.IsHandOverhead(JointType.HandLeft, body))
{
// engage the left hand
this.handsToEngage.Add(
new BodyHandPair(body.TrackingId, HandType.LEFT));
this.engagementPeopleHaveChanged = true;
}
else if (HandOverheadEngagementModel.IsHandOverhead(JointType.HandRight, body))
{
// engage the right hand
this.handsToEngage.Add(
new BodyHandPair(body.TrackingId, HandType.RIGHT));
this.engagementPeopleHaveChanged = true;
}
}
}
}
if (this.engagementPeopleHaveChanged)
{
BodyHandPair firstPersonToEngage = null;
BodyHandPair secondPersonToEngage = null;
Debug.Assert(this.handsToEngage.Count <= 2, "handsToEngage should be <= 2");
switch (this.handsToEngage.Count)
{
case 0:
break;
case 1:
firstPersonToEngage = this.handsToEngage[0];
break;
case 2:
firstPersonToEngage = this.handsToEngage[0];
secondPersonToEngage = this.handsToEngage[1];
break;
}
switch (this.EngagedPeopleAllowed)
{
case 1:
KinectCoreWindow.SetKinectOnePersonManualEngagement(firstPersonToEngage);
break;
case 2:
KinectCoreWindow.SetKinectTwoPersonManualEngagement(firstPersonToEngage, secondPersonToEngage);
break;
}
}
}
private void TrackEngagedPlayersViaHandInScreen()
{
if (this.stopped)
{
return;
}
this.engagementPeopleHaveChanged = false;
var currentlyEngagedHands = KinectCoreWindow.KinectManualEngagedHands;
this.handsToEngage.Clear();
foreach (var bodyHandPair in currentlyEngagedHands)
{
foreach (var kinectPointerPoint in this.pointerPoints)
{
if (kinectPointerPoint.Properties.BodyTrackingId == bodyHandPair.BodyTrackingId &&
kinectPointerPoint.Properties.HandType == bodyHandPair.HandType)
{
bool toBeDisengaged = this.IsHandBelowScreen(kinectPointerPoint.Properties.UnclampedPosition, kinectPointerPoint.PointerId);
if (toBeDisengaged)
{
this.engagementPeopleHaveChanged = true;
}
else
{
this.handsToEngage.Add(bodyHandPair);
}
}
}
}
foreach (var kinectPointerPoint in this.pointerPoints)
{
if (this.handsToEngage.Count < this.engagedPeopleAllowed)
{
bool alreadyEngaged = false;
foreach (var bodyHandPair in this.handsToEngage)
{
alreadyEngaged = (kinectPointerPoint.Properties.BodyTrackingId == bodyHandPair.BodyTrackingId);
}
if (!alreadyEngaged)
{
if (HandInScreenEngagementModel.IsHandInScreen(kinectPointerPoint.Properties.UnclampedPosition))
{
this.handsToEngage.Add(
new BodyHandPair(kinectPointerPoint.Properties.BodyTrackingId, kinectPointerPoint.Properties.HandType));
this.engagementPeopleHaveChanged = true;
}
}
}
}
if (this.engagementPeopleHaveChanged)
{
BodyHandPair firstPersonToEngage = null;
BodyHandPair secondPersonToEngage = null;
Debug.Assert(this.handsToEngage.Count <= 2, "handsToEngage should be <= 2");
switch (this.handsToEngage.Count)
{
case 0:
break;
case 1:
firstPersonToEngage = this.handsToEngage[0];
break;
case 2:
firstPersonToEngage = this.handsToEngage[0];
secondPersonToEngage = this.handsToEngage[1];
break;
}
switch (this.EngagedPeopleAllowed)
{
case 0:
case 1:
KinectCoreWindow.SetKinectOnePersonManualEngagement(firstPersonToEngage);
break;
case 2:
KinectCoreWindow.SetKinectTwoPersonManualEngagement(firstPersonToEngage, secondPersonToEngage);
break;
}
}
}