private void sendContact(HandContact contact)
{
if (contact != null)
{
inputProvider.EnqueueContact(contact);
}
}
internal void EnqueueContact(HandContact contact)
{
lock (contactsQueue)
{
contactsQueue.Enqueue((HandContact)contact.Clone());
}
}
/// <summary>
/// Update the status, means contact for driver as well as the cursor
/// </summary>
/// <param name="newStatus"></param>
/// <returns></returns>
private InputStatus updateStatus(InputStatus newStatus)
{
//generate contact for virtual touch driver
if ((currentStatus == InputStatus.UNKNOWN || currentStatus == InputStatus.CURSOR) && newStatus == InputStatus.TOUCHED)
{
currentContact = new HandContact(position);
}
else if (currentStatus == InputStatus.TOUCHED)
{
currentContact.Update(position, newStatus);
}
else
{
newStatus = InputStatus.CURSOR;
if (currentContact != null)
{
currentContact.Update(position, newStatus);
}
}
//set cursor
if (currentStatus != newStatus)
{
currentStatus = newStatus;
cursor.setBitmap(cursorImage[(int)newStatus]);
}
return(newStatus);
}
/// <summary>
///
/// </summary>
/// <param name="user"></param>
/// <param name="joint"></param>
/// <param name="jointRef"></param>
/// <param name="screenPlaneZoffset"></param>
/// <returns>true if touched </returns>
private void DetectVirtualRelativeTouch(User user, uint hand, SkeletonJoint jointRef, int screenPlaneZoffset)
{
SkeletonJoint jointHand;
if (hand == 0)
{
jointHand = SkeletonJoint.LeftHand;
}
else
{
jointHand = SkeletonJoint.RightHand;
}
Point3D pos = user.Joints[jointHand].Position;
Point3D posRef = user.Joints[jointRef].Position;
InputStatus status;
//hand not probably tracked return
if (user.Joints[jointHand].Confidence < 0.6)
{
sendContact(user.updateHand(hand, InputStatus.UNKNOWN));
return;
} //if the reference is not valid, only cursor mode will be reliable
else if (user.Joints[jointRef].Confidence < 0.6)
{
status = InputStatus.CURSOR;
}
else
{ //both joints are well tracked, touch detection is executed
if (pos.Z > (posRef.Z - screenPlaneZoffset))
{ //No Touch
status = InputStatus.CURSOR;
}
else
{//Touch
status = InputStatus.TOUCHED;
}
}
//convert kinectcoordinates to screencoordinates
pos.X = virtualScreenXStart + virtualScreenConvertFactorX * (pos.X - kinectXCrop);
pos.Y = virtualScreenYStart + virtualScreenConvertFactorY * (pos.Y - kinectYCrop);
HandContact contact = user.updateHand(pos, hand, status);
sendContact(contact);
}
private void DetectVirtualAbsoluteTouch(User user, uint hand, int screenPlaneZoffset)
{
SkeletonJoint jointHand;
if (hand == 0)
{
jointHand = SkeletonJoint.LeftHand;
}
else
{
jointHand = SkeletonJoint.RightHand;
}
Point3D pos = user.Joints[jointHand].Position;
InputStatus status;
//hand not probably tracked return
if (user.Joints[jointHand].Confidence < 0.6)
{
sendContact(user.updateHand(hand, InputStatus.UNKNOWN));
return;
}
else
{ //both joints are well tracked, touch detection is executed
if (pos.Z > screenPlaneZoffset)
{ //No Touch
status = InputStatus.CURSOR;
}
else
{//Touch
status = InputStatus.TOUCHED;
}
}
//convert kinectcoordinates to screencoordinates
pos.X = virtualScreenXStart + virtualScreenConvertFactorX * (pos.X - kinectXCrop);
pos.Y = virtualScreenYStart + virtualScreenConvertFactorY * (pos.Y - kinectYCrop);
HandContact contact = user.updateHand(pos, hand, status);
if (contact != null)
{
inputProvider.EnqueueContact(contact);
}
}
private void releaseUserTouches(int userId)
{
if (users.ContainsKey(userId))
{
User user = this.users[userId];
HandContact contact = user.updateHand(0, InputStatus.UNKNOWN);
HandContact contactTwo = user.updateHand(1, InputStatus.UNKNOWN);
if (contact != null)
{
inputProvider.EnqueueContact(contact);
}
if (contactTwo != null)
{
inputProvider.EnqueueContact(contactTwo);
}
}
}
/// <summary>
/// Copy contact
/// </summary>
/// <param name="clone"></param>
public HandContact(HandContact clone)
: base(clone.Id, clone.State, clone.Position, clone.MajorAxis, clone.MinorAxis)
{
Orientation = clone.Orientation;
}
private void sendContact(HandContact contact)
{
if (contact != null)
{
inputProvider.EnqueueContact(contact);
}
}
/// <summary>
/// Copy contact
/// </summary>
/// <param name="clone"></param>
public HandContact(HandContact clone)
: base(clone.Id, clone.State, clone.Position, clone.MajorAxis, clone.MinorAxis)
{
Orientation = clone.Orientation;
}
/// <summary>
/// Update the status, means contact for driver as well as the cursor
/// </summary>
/// <param name="newStatus"></param>
/// <returns></returns>
private InputStatus updateStatus(InputStatus newStatus)
{
//generate contact for virtual touch driver
if ((currentStatus == InputStatus.UNKNOWN || currentStatus == InputStatus.CURSOR) && newStatus == InputStatus.TOUCHED)
{
currentContact = new HandContact(position);
}
else if (currentStatus == InputStatus.TOUCHED)
{
currentContact.Update(position, newStatus);
}
else
{
newStatus = InputStatus.CURSOR;
if (currentContact != null)
{
currentContact.Update(position, newStatus);
}
}
//set cursor
if (currentStatus != newStatus)
{
currentStatus = newStatus;
cursor.setBitmap( cursorImage[(int)newStatus]);
}
return newStatus;
}
internal void EnqueueContact(HandContact contact)
{
lock (contactsQueue)
{
contactsQueue.Enqueue((HandContact)contact.Clone());
}
}
