//Update hands
void UpdateHands()
{
if (!frame.Hands.IsEmpty)
{
foreach (Leap.Hand hand in frame.Hands)
{
//If the hand is not in the list, add it to the list
bool checkHand = false;
int handIndex = -1;
foreach (LeapHand leapHand in handList)
{
if (leapHand.getHand().Id == hand.Id)
{
checkHand = true;
handIndex = handList.IndexOf(leapHand);
break;
}
}
//Check whether it is a new hand
if (!checkHand)
{
//A new hand
LeapHand newHand = new LeapHand(hand);
handList.Add(newHand);
}
else
{
//An existing hand
handList [handIndex].UpdateHand(hand);
}
}
//Check if there is any hand that should be removed
for (int i = handList.Count - 1; i >= 0; --i)
{
LeapHand leapHand = handList [i];
bool handInclude = false;
foreach (Hand hand in frame.Hands)
{
if (leapHand.getHand().Id == hand.Id)
{
handInclude = true;
break;
}
}
//Remove the hand
if (handInclude == false)
{
DestroyHandComponents(leapHand);
handList.Remove(leapHand);
}
}
}
else
{
//Remove all the hands
foreach (LeapHand leapHand in handList)
{
DestroyHandComponents(leapHand);
}
handList.Clear();
}
}
