/// <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);
}
}
