public HandsState(Body body)
{
CameraSpacePoint handLeft = body.Joints[JointType.HandLeft].Position;
CameraSpacePoint handRight = body.Joints[JointType.HandRight].Position;
wristLeft = body.Joints[JointType.WristLeft].Position;
wristRight = body.Joints[JointType.WristRight].Position;
CameraSpacePoint spineBase = body.Joints[JointType.SpineBase].Position;
input = new HandInput();
input.isLeftGrip = (body.HandLeftState == HandState.Closed);
input.isRightGrip = (body.HandRightState == HandState.Closed);
//select wrist
if (prime_hand)
{
primeHandy = (int)(wristRight.Y * 100);
isRight = true;
}
else
{
primeHandy = (int)(wristLeft.Y * 100);
isRight = false;
}
//set left hand position
float leftDepth = spineBase.Z - handLeft.Z;
input._LPressExtent = (leftDepth - TOUCH_REGION) / (EMBED_REGION - TOUCH_REGION);
if (leftDepth > EMBED_REGION)
{
LeftHandPosition = HandPositionZ.EMBED;
}
else if (leftDepth > TOUCH_REGION)
{
LeftHandPosition = HandPositionZ.TOUCH;
}
else
{
LeftHandPosition = HandPositionZ.UNKNOW;
}
//set right hand position
float rightDepth = spineBase.Z - handRight.Z;
input._RPressExtent = (rightDepth - TOUCH_REGION) / (EMBED_REGION - TOUCH_REGION);
if (rightDepth > EMBED_REGION)
{
RightHandPosition = HandPositionZ.EMBED;
}
else if (rightDepth > TOUCH_REGION)
{
RightHandPosition = HandPositionZ.TOUCH;
}
else
{
RightHandPosition = HandPositionZ.UNKNOW;
}
//set left hand state
LeftHandState = body.HandLeftState;
//set right hand state
RightHandState = body.HandRightState;
//no hand
if (LeftHandPosition == HandPositionZ.UNKNOW && RightHandPosition == HandPositionZ.UNKNOW)
{
operation = Operation.no_operation;
input._isWhich = 0;
}
//single hand
else if (LeftHandPosition == HandPositionZ.UNKNOW || RightHandPosition == HandPositionZ.UNKNOW)
{
//left hand operate
if (LeftHandPosition != HandPositionZ.UNKNOW)
{
SelectHandPosition = LeftHandPosition;
SelectHandState = LeftHandState;
input._isWhich = 1;
isRight = false;
}
//right hand operate
else
{
SelectHandPosition = RightHandPosition;
SelectHandState = RightHandState;
input._isWhich = 2;
isRight = true;
}
//single hand touch region
if (SelectHandPosition == HandPositionZ.TOUCH)
{
if (SelectHandState == HandState.Closed)
{
if (mouse_click_region)
{
operation = Operation.left_down;
}
else
{
operation = Operation.right_down;
}
}
else
{
operation = Operation.move;
}
}
//single hand embed region
else
{
if (SelectHandState == HandState.Closed)
{
if (mouse_click_region)
{
operation = Operation.right_down;
}
else
{
operation = Operation.left_down;
}
}
else
{
operation = Operation.move;
}
}
}
else
{
//two hand closed will operate wheel
input._isWhich = 3;
if (LeftHandState == HandState.Closed && RightHandState == HandState.Closed)
{
if (middle_button_and_wheel)
{
operation = Operation.wheel;
}
else
{
operation = Operation.middle_down;
}
}
//one hand closed
else if (LeftHandState == HandState.Closed || RightHandState == HandState.Closed)
{
if (middle_button_and_wheel)
{
operation = Operation.middle_down;
}
else
{
operation = Operation.wheel;
}
}
else
{
operation = Operation.move;
}
}
}
public HandsState(Body body)
{
CameraSpacePoint handLeft = body.Joints[JointType.HandLeft].Position;
CameraSpacePoint handRight = body.Joints[JointType.HandRight].Position;
CameraSpacePoint wristLeft = body.Joints[JointType.WristLeft].Position;
CameraSpacePoint wristRight = body.Joints[JointType.WristRight].Position;
spineBase = body.Joints[JointType.SpineBase].Position;
primeHandy = (int)(handRight.Y * 100);
//set left hand position
if (spineBase.Z - handLeft.Z > EMBED_REGION)
{
LeftHandPosition = HandPositionZ.EMBED;
}
else if (spineBase.Z - handLeft.Z > TOUCH_REGION)
{
LeftHandPosition = HandPositionZ.TOUCH;
}
else
{
LeftHandPosition = HandPositionZ.UNKNOW;
}
//set right hand position
if (spineBase.Z - handRight.Z > EMBED_REGION)
{
RightHandPosition = HandPositionZ.EMBED;
}
else if (spineBase.Z - handRight.Z > TOUCH_REGION)
{
RightHandPosition = HandPositionZ.TOUCH;
}
else
{
RightHandPosition = HandPositionZ.UNKNOW;
}
//set left hand state
LeftHandState = body.HandLeftState;
//set right hand state
RightHandState = body.HandRightState;
//no hand
if (LeftHandPosition == HandPositionZ.UNKNOW && RightHandPosition == HandPositionZ.UNKNOW)
{
operation = Operation.no_operation;
}
//single hand
else if (LeftHandPosition == HandPositionZ.UNKNOW || RightHandPosition == HandPositionZ.UNKNOW)
{
//left hand operate
if (LeftHandPosition != HandPositionZ.UNKNOW)
{
selectHand = wristLeft;
SelectHandPosition = LeftHandPosition;
SelectHandState = LeftHandState;
}
//right hand operate
else
{
selectHand = wristRight;
SelectHandPosition = RightHandPosition;
SelectHandState = RightHandState;
}
//single hand touch region
if (SelectHandPosition == HandPositionZ.TOUCH)
{
if (SelectHandState == HandState.Closed)
{
operation = Operation.left_down;
}
else
{
operation = Operation.move;
}
}
//single hand embed region
else
{
if (SelectHandState == HandState.Closed)
{
operation = Operation.right_down;
}
else
{
operation = Operation.move;
}
}
}
//two hand the prime hand is right
else
{
//select wrist
selectHand = wristRight;
//two hand closed will operate wheel
if (LeftHandState == HandState.Closed && RightHandState == HandState.Closed)
{
operation = Operation.wheel;
}
//one hand closed
else if (LeftHandState == HandState.Closed || RightHandState == HandState.Closed)
{
operation = Operation.middle_down;
}
else
{
operation = Operation.move;
}
}
}
