// returns the joint direction of the specified user, relative to the parent joint
public Vector3 GetJointDirection(Int64 userId, int joint)
{
if (dictUserIdToIndex.ContainsKey(userId))
{
int index = dictUserIdToIndex[userId];
if (index >= 0 && index < KinectWrapper.Constants.BodyCount &&
bodyFrame.bodyData[index].bIsTracked != 0)
{
if (joint >= 0 && joint < KinectWrapper.Constants.JointCount)
{
KinectWrapper.Joint jointData = bodyFrame.bodyData[index].joint[joint];
return(jointData.direction);
}
}
}
return(Vector3.zero);
}
// returns the joint rotation of the specified user, relative to the Kinect-sensor
public Quaternion GetJointOrientation(Int64 userId, int joint, bool flip)
{
if (dictUserIdToIndex.ContainsKey(userId))
{
int index = dictUserIdToIndex[userId];
if (index >= 0 && index < KinectWrapper.Constants.BodyCount &&
bodyFrame.bodyData[index].bIsTracked != 0)
{
if (joint >= 0 && joint < KinectWrapper.Constants.JointCount)
{
KinectWrapper.Joint jointData = bodyFrame.bodyData[index].joint[joint];
return(jointData.orientation);
}
}
}
return(Quaternion.identity);
}
// returns true if the given joint of the specified user is being tracked
public bool IsJointTracked(Int64 userId, int joint)
{
if (dictUserIdToIndex.ContainsKey(userId))
{
int index = dictUserIdToIndex[userId];
if (index >= 0 && index < KinectWrapper.Constants.BodyCount &&
bodyFrame.bodyData[index].bIsTracked != 0)
{
if (joint >= 0 && joint < KinectWrapper.Constants.JointCount)
{
KinectWrapper.Joint jointData = bodyFrame.bodyData[index].joint[joint];
return(ignoreInferredJoints ? (jointData.trackingState == KinectWrapper.TrackingState.Tracked) :
(jointData.trackingState != KinectWrapper.TrackingState.NotTracked));
}
}
}
return(false);
}
