public bool IsHandVisible(HandednessEnum handedness, float minConfidence = 0.15f)
{
if (!IsHandVisible())
{
return(false);
}
for (int i = 0; i < trackedHands.Count; i++)
{
if (trackedHands[i].Handedness == handedness && trackedHands[i].HandednessConfidence > minConfidence)
{
return(true);
}
}
return(false);
}
public static HandednessEnum GetHandedness(Vector3 forward, Vector3 handPos, Vector3 up)
{
// Get handedness based on position relative to camera
Vector3 cross = Vector3.Cross(forward, handPos);
float direction = Vector3.Dot(cross, up);
HandednessEnum newHandedness = HandednessEnum.Neither;
if (direction >= 0f)
{
// Favor right-handedness slightly
newHandedness = HandednessEnum.Right;
}
else
{
newHandedness = HandednessEnum.Left;
}
return(newHandedness);
}
private void TappedHandler(HandednessEnum pressedHand, float pressedTime)
{
// Debug.Log("diff of pressedTime: " + (pressedTime - previousPressedTime));
if (pressedTime - previousPressedTime > intervalTime)
{
if (pressedHand == HandednessEnum.Left)
{
TappedEvent(TapActionEnum.LeftTap);
Debug.Log("LeftTappedEvent.");
}
else if (pressedHand == HandednessEnum.Right)
{
TappedEvent(TapActionEnum.RightTap);
Debug.Log("RightTappedEvent.");
}
}
else
{
if (previousPressedHand == HandednessEnum.Left && pressedHand == HandednessEnum.Left)
{
TappedEvent(TapActionEnum.LeftLeftTap);
Debug.Log("LeftLeftTappedEvent.");
}
else if (previousPressedHand == HandednessEnum.Right && pressedHand == HandednessEnum.Right)
{
TappedEvent(TapActionEnum.RightRightTap);
Debug.Log("RightRightTappedEvent.");
}
else if (previousPressedHand == HandednessEnum.Left && pressedHand == HandednessEnum.Right)
{
TappedEvent(TapActionEnum.LeftRightTap);
Debug.Log("LeftRightTappedEvent.");
}
else if (previousPressedHand == HandednessEnum.Right && pressedHand == HandednessEnum.Left)
{
TappedEvent(TapActionEnum.RightLeftTap);
Debug.Log("RightLeftTappedEvent.");
}
}
}
/// <summary>
/// Gets the handedness of a position with respect to a camera position
/// </summary>
/// <param name="forward"></param>
/// <param name="handPos"></param>
/// <param name="up"></param>
/// <param name="confidence"></param>
/// <param name="currentHandedness"></param>
/// <returns></returns>
public static HandednessEnum GetHandedness(Vector3 forward, Vector3 handPos, Vector3 up, ref float confidence, HandednessEnum currentHandedness = HandednessEnum.Neither)
{
// Get handedness based on position relative to camera
Vector3 cross = Vector3.Cross(forward, handPos);
float direction = Vector3.Dot(cross, up);
float newConfidence = Mathf.Abs(direction);
HandednessEnum newHandedness = HandednessEnum.Neither;
if (direction >= 0f)
{
// Favor right-handedness slightly
newHandedness = HandednessEnum.Right;
}
else
{
newHandedness = HandednessEnum.Left;
}
// If we've already got a handedness, and the new handedness is different
// reset the confidence
if (currentHandedness != HandednessEnum.Neither && currentHandedness != newHandedness)
{
confidence = newConfidence;
}
else
{
// Otherwise, allow the confidence to remain at the max observed so far
confidence = Mathf.Max(confidence, newConfidence);
}
return(newHandedness);
}
