public bool IdentifyGesture(UserSkeletonState userState)
{
ISkeleton skeleton = userState.Skeleton;
var rightHand = skeleton.HandRight;
var leftHand = skeleton.HandLeft;
var spine = skeleton.Spine;
return IdentifyGrippedMove(rightHand, leftHand, spine, userState.IsRightHandGripped);
}
public bool IdentifyGesture(UserSkeletonState userState)
{
ISkeleton skeleton = userState.Skeleton;
var rightHand = skeleton.HandRight;
var leftHand = skeleton.HandLeft;
var spine = skeleton.Spine;
var shoulderCenter = skeleton.ShoulderCenter;
return IdentifyCloseHandAfterTime(rightHand, leftHand, spine, shoulderCenter, userState.IsRightHandGripped, userState.IsLeftHandGripped);
}
public bool IdentifyGesture(UserSkeletonState userState)
{
ISkeleton skeleton = userState.Skeleton;
var rightHand = skeleton.HandRight;
var head = skeleton.Head;
var spine = skeleton.Spine;
if (State == 1 &&
GestureUtils.HasMovedToLeft(initialPosition, rightHand.Position, minimumDistanceToTrigger) &&
GestureUtils.IsHandBelow(rightHand, initialPosition, heightToReset))
{
State = 0;
return true;
}
else if (GestureUtils.IsHandBelow(rightHand, spine))
{
State = 0;
return false;
}
if (State == 0 && userState.IsRightHandGripped )
{
State = 1;
initialPosition = rightHand.Position;
Output.Debug("SwipeLeft", "Identifyed hand above shoudler");
return false;
}
if (State == 1)
{
SkeletonPoint nextPoint = rightHand.Position;
if ((GestureUtils.HasMovedToLeft(initialPosition, nextPoint, minimumDistanceToTrigger) && !userState.IsRightHandGripped))
{
State = 0;
Output.Debug("SwipeLeft", "Left Gesture Executed");
return true;
}
else if (!userState.IsRightHandGripped)
{
Output.Debug("SwipeLeft", "Hand Open and not moved to gesture, reseting state");
State = 0;
return false;
}
return false;
}
State = 0;
return false;
}
/// <summary>
/// Find the first gesture that is identified and then stop searching
/// </summary>
/// <param name="closestSkeleton"></param>
protected virtual void VerifyGestures(UserSkeletonState skeletonState)
{
foreach (IGestureRecognizer recognizer in gestureRecognizers)
{
if (recognizer.IdentifyGesture(skeletonState))
{
//Assume the recognizer has a name globally identifiable
TriggerGestureEvent(recognizer.Name);
break;
}
}
}
public bool IdentifyGesture(UserSkeletonState userState)
{
ISkeleton skeleton = userState.Skeleton;
var rightHand = skeleton.HandRight;
var leftHand = skeleton.HandLeft;
var spine = skeleton.Spine;
var rightShoulder = skeleton.ShoulderRight;
var leftShoulder = skeleton.ShoulderLeft;
if (rightHand.State != JointTrackingState.Tracked || leftHand.State != JointTrackingState.Tracked) return false;
return IdentifyGesture(rightHand, leftHand, userState.IsRightHandGripped, userState.IsLeftHandGripped, spine, rightShoulder, leftShoulder);
}
public bool IdentifyGesture(UserSkeletonState userState)
{
ISkeleton skeleton = userState.Skeleton;
var rightHand = skeleton.HandRight;
var leftHand = skeleton.HandLeft;
var spine = skeleton.Spine;
//If hands are to low then reset state
if (rightHand.Position.Y < spine.Position.Y || leftHand.Position.Y < spine.Position.Y)
{
State = 0;
return false;
}
if (State == 2) return false;
float handsDistance = rightHand.Position.X - leftHand.Position.X;
handsDistance = Math.Abs(handsDistance);
if (State == 0)
{
//Hands are close, so can start movement
if ( handsDistance < 0.2)
{
State = 1;
Output.Debug("OpenArmsGesture","Hands are close.");
}
return false;
}
if (State == 1)
{
if (handsDistance > 0.8)
{
Output.Debug("OpenArmsGesture", "Arms are open.");
State = 2;
return true;
}
}
return false;
}
public SkeletonStateRepository()
{
FirstUser = new UserSkeletonState();
}
private void trackRightHandState(UserSkeletonState skeletonState, InteractionHandPointer handPointer)
{
if (handPointer.IsPressed)
{
//Do not repeat output
//if (pressState != 2)
//Output.Debug("KinectControl", "Hand Pressed " + handPointer.PressExtent.ToString());
pressState = 2;
}
else
if (handPointer.PressExtent > 0.5d)
{
//Do not repeat output
//if (pressState != 1)
//Output.Debug("KinectControl", "Hand Almost Pressed " + handPointer.PressExtent.ToString());
pressState = 1;
}
if (handPointer.HandEventType == InteractionHandEventType.Grip)
{
skeletonState.IsRightHandGripped = true;
}
else if (handPointer.HandEventType == InteractionHandEventType.GripRelease)
{
skeletonState.IsRightHandGripped = false;
}
}
private void trackLeftHandState(UserSkeletonState skeletonState, InteractionHandPointer handPointer)
{
if (handPointer.HandEventType == InteractionHandEventType.Grip)
{
skeletonState.IsLeftHandGripped = true;
}
else if (handPointer.HandEventType == InteractionHandEventType.GripRelease)
{
skeletonState.IsLeftHandGripped = false;
}
}
public bool IdentifyGesture(UserSkeletonState userState)
{
ISkeleton skeleton = userState.Skeleton;
var rightHand = skeleton.HandRight;
var leftHand = skeleton.HandLeft;
var rightElbow = skeleton.ElbowRight;
var leftElbow = skeleton.ElbowLeft;
var rightShoulder = skeleton.ShoulderRight;
var leftShoulder = skeleton.ShoulderLeft;
var spine = skeleton.Spine;
Double distanceRightShoulderAndElbow = KinectUtils.DistanceBetweenSkeletonPoints(rightShoulder.Position,rightElbow.Position);
distanceRightShoulderAndElbow = Math.Abs(distanceRightShoulderAndElbow);
Double distanceRightElbowAndHand = KinectUtils.DistanceBetweenSkeletonPoints(rightElbow.Position, rightHand.Position);
distanceRightElbowAndHand = Math.Abs(distanceRightElbowAndHand);
Double distanceZRightShoulderAndElbow = rightShoulder.Position.Z - rightElbow.Position.Z;
distanceZRightShoulderAndElbow = Math.Abs(distanceZRightShoulderAndElbow);
Double distanceZRightElbowAndHand = rightElbow.Position.Z - rightHand.Position.Z;
distanceZRightElbowAndHand = Math.Abs(distanceZRightElbowAndHand);
if (distanceZRightShoulderAndElbow > distanceRightShoulderAndElbow * percentage
&& distanceZRightElbowAndHand > distanceRightElbowAndHand * percentage)
{
if (State != 1)
{
State = 1;
Output.Debug("OutstretchedArmMovement", "Is Stresched");
initialPoint = rightHand.Position;
return true;
}
}
else
{
State = 0;
return false;
}
if (State == 1)
{
double deltaX = rightHand.Position.X - initialPoint.X;
double deltaY = rightHand.Position.Y - initialPoint.Y;
if (deltaX > distanceIntervalToMovement)
{
Name = GestureEvents.MOVE_LEFT;
initialPoint.X += distanceIntervalToMovement;
return true;
}
else if (deltaX < -distanceIntervalToMovement)
{
Name = GestureEvents.MOVE_RIGHT;
initialPoint.X -= distanceIntervalToMovement;
return true;
}
else if (deltaY > distanceIntervalToMovement)
{
Name = GestureEvents.MOVE_DOWN;
initialPoint.Y += distanceIntervalToMovement;
return true;
}
else if (deltaY < -distanceIntervalToMovement)
{
Name = GestureEvents.MOVE_UP;
initialPoint.Y -= distanceIntervalToMovement;
return true;
}
else
{
return false;
}
}
if (State != 0)
Output.Debug("OutstretchedArmMovement", "Arm not stretched");
State = 0;
return false;
}