void Update()
{
Frame f = m_leapController.Frame();
// mark exising hands as stale.
foreach (KeyValuePair <int, GameObject> h in m_hands)
{
h.Value.GetComponent <LeapHand>().m_stale = true;
}
// see what hands the leap sees and mark matching hands as not stale.
for (int i = 0; i < f.Hands.Count; ++i)
{
GameObject hand;
m_hands.TryGetValue(f.Hands[i].Id, out hand);
// see if hand existed before
if (hand != null)
{
// if it did then just update its position and joint positions.
hand.transform.position = m_parent.TransformPoint(m_offset + f.Hands[i].PalmPosition.ToUnityScaled());
hand.transform.forward = f.Hands[i].Direction.ToUnity();
LeapHand leapHand = hand.GetComponent <LeapHand>();
leapHand.m_stale = false;
leapHand.UpdateFingers(f.Hands[i], m_parent, m_offset);
leapHand.UpdateKnuckleLanges();
}
else
{
// else create new hand
hand = Instantiate(Resources.Load("Prefabs/Hand")) as GameObject;
// push it into the dictionary.
m_hands.Add(f.Hands[i].Id, hand);
}
}
// clear out stale hands.
List <int> staleIDs = new List <int>();
foreach (KeyValuePair <int, GameObject> h in m_hands)
{
if (h.Value.GetComponent <LeapHand>().m_stale)
{
Destroy(h.Value);
// set for removal from dictionary.
staleIDs.Add(h.Key);
}
}
foreach (int id in staleIDs)
{
m_hands.Remove(id);
}
}
