/// used for updating every frame
/// @note While we are still steady (i.e. we haven't gotten a "not steady" event) we update
/// the time and frame every frame!
public override void UpdateFrame()
{
if (m_context == null || m_context.UserSkeletonValid == false)
{
return; // no data;
}
NISkeletonTracker tracker = m_pointTracker as NISkeletonTracker;
if (tracker.Valid == false)
{
return; // no one to track.
}
NISelectedPlayer player = tracker.GetTrackedPlayer();
if (player == null || player.Valid == false)
{
return;
}
NIUserAndSkeleton.NIPoseDetectionStateStatus curStatus = new NIUserAndSkeleton.NIPoseDetectionStateStatus();
if (m_context.UserGenrator.GetPoseStatus(player.OpenNIUserID, m_poseName, ref curStatus) == false)
{
return; // we do not have good pose information
}
if (curStatus.m_eState != PoseDetectionState.InPose)
{
return;
}
if (curStatus.m_timePoseHeld >= m_timeToHoldPose)
{
InternalFireDetectEvent();
}
}
// protected methods
protected override bool InternalInit(NIPointTracker hand)
{
NISkeletonTracker curHand = hand as NISkeletonTracker;
if (curHand == null)
{
return(false);
}
if (m_context == null || m_context.UserSkeletonValid == false)
{
return(false);
}
NISelectedPlayer player = curHand.GetTrackedPlayer();
if (player == null)
{
return(false); // no player
}
player.m_userChangeEventHandler += PlayerUserChangeHandler;
if (player.Valid)
{
validRequestedPoseDetection = m_context.UserGenrator.RequestPoseDetection(m_poseName, player.OpenNIUserID);
return(validRequestedPoseDetection);
}
validRequestedPoseDetection = false;
return(true);
}
// protected methods
/// this method tries to fill a new point on each of the relevant joints.
/// It returns true if it succeed and false otherwise
/// @note it will fail if even one of the points has a low confidence!
/// @return true on success, false on failure.
protected bool FillPoints()
{
// first we find a reference to the skeleton capability
NISkeletonTracker hand = m_pointTracker as NISkeletonTracker;
if (hand == null)
{
return(false); // no hand to track
}
NISelectedPlayer player = hand.GetTrackedPlayer();
if (player == null || player.Valid == false || player.Tracking == false)
{
return(false); // no player to work with...
}
// We need to figure out if we have a good confidence on all joints
SkeletonJointPosition rightHand;
SkeletonJointPosition leftHand;
SkeletonJointPosition rightElbow;
SkeletonJointPosition leftElbow;
if (player.GetSkeletonJointPosition(SkeletonJoint.RightHand, out rightHand) == false || rightHand.Confidence <= 0.5f)
{
return(false);
}
if (player.GetSkeletonJointPosition(SkeletonJoint.LeftHand, out leftHand) == false || leftHand.Confidence <= 0.5f)
{
return(false);
}
if (player.GetSkeletonJointPosition(SkeletonJoint.RightElbow, out rightElbow) == false || rightElbow.Confidence <= 0.5f)
{
return(false);
}
if (player.GetSkeletonJointPosition(SkeletonJoint.LeftElbow, out leftElbow) == false || leftElbow.Confidence <= 0.5f)
{
return(false);
}
Vector3 pos = NIConvertCoordinates.ConvertPos(rightHand.Position);
m_pointsRightHand.AddPoint(ref pos);
pos = NIConvertCoordinates.ConvertPos(leftHand.Position);
m_pointsLeftHand.AddPoint(ref pos);
pos = NIConvertCoordinates.ConvertPos(rightElbow.Position);
m_pointsRightElbow.AddPoint(ref pos);
pos = NIConvertCoordinates.ConvertPos(leftElbow.Position);
m_pointsLeftElbow.AddPoint(ref pos);
return(true);
}
/// Release the gesture
public override void ReleaseGesture()
{
if (m_context != null && m_context.UserSkeletonValid)
{
NISkeletonTracker tracker = m_pointTracker as NISkeletonTracker;
if (tracker.Valid)
{
NISelectedPlayer player = tracker.GetTrackedPlayer();
if (player != null && player.Valid && validRequestedPoseDetection)
{
m_context.UserGenrator.ReleasePoseDetection(m_poseName, player.OpenNIUserID);
}
}
}
m_context = null;
m_poseName = "";
m_pointTracker = null;
}
/// This is true if the gesture is in the middle of doing (i.e. it has detected but not gone out of the gesture).
/// for our purposes this means the steady event has occurred and the unsteady has not occurred yet
/// @return a value between 0 and 1. 0 means no pose, 1 means the pose has been detected and held
/// for a while. a value in the middle means the pose has been detected and has been held this
/// portion of the time required to fire the trigger (@ref m_timeToHoldPose).
public override float GestureInProgress()
{
if (m_context == null || m_context.UserSkeletonValid == false)
{
return(0.0f); // no data;
}
NISkeletonTracker tracker = m_pointTracker as NISkeletonTracker;
if (tracker.Valid == false)
{
return(0.0f); // no one to track.
}
NISelectedPlayer player = tracker.GetTrackedPlayer();
if (player == null || player.Valid == false)
{
return(0.0f);
}
NIUserAndSkeleton.NIPoseDetectionStateStatus curStatus = new NIUserAndSkeleton.NIPoseDetectionStateStatus();
if (m_context.UserGenrator.GetPoseStatus(player.OpenNIUserID, m_poseName, ref curStatus) == false)
{
return(0.0f); // we do not have good pose information
}
if (curStatus.m_eState != PoseDetectionState.InPose)
{
return(0.0f);
}
if (curStatus.m_timePoseHeld < 0)
{
return(0.0f);
}
if (curStatus.m_timePoseHeld >= m_timeToHoldPose)
{
return(1.0f);
}
return(curStatus.m_timePoseHeld / m_timeToHoldPose);
}
