void UpdateHandRepresentations(Dictionary <int, HandRepresentation> all_hand_reps, ModelType modelType)
{
foreach (Leap.Hand curHand in Provider.CurrentFrame.Hands)
{
HandRepresentation rep;
if (!all_hand_reps.TryGetValue(curHand.Id, out rep))
{
rep = Factory.MakeHandRepresentation(curHand, modelType);
if (rep != null)
{
all_hand_reps.Add(curHand.Id, rep);
//float hand_scale = curHand.PalmWidth / rep.handModel.handModelPalmWidth;
//rep.handModel.transform.localScale = hand_scale * Vector3.one;
}
}
if (rep != null)
{
rep.IsMarked = true;
//float hand_scale = curHand.PalmWidth / rep.handModel.handModelPalmWidth;
//rep.handModel.transform.localScale = hand_scale * Vector3.one;
rep.UpdateRepresentation(curHand, modelType);
rep.LastUpdatedTime = (int)Provider.CurrentFrame.Timestamp;
//Leap.Vector objPos = curHand.PalmPosition;
//Vector3 unityPos = objPos.ToUnityScaled();
//Vector3 worldPos = this.transform.TransformPoint(unityPos);
//Debug.Log(worldPos);
HandDistinguisher(curHand);
}
}
//Mark-and-sweep or set difference implementation
HandRepresentation toBeDeleted = null;
foreach (KeyValuePair <int, HandRepresentation> r in all_hand_reps)
{
if (r.Value != null)
{
if (r.Value.IsMarked)
{
//Debug.Log("LeapHandController Marking False");
r.Value.IsMarked = false;
}
else
{
//Initialize toBeDeleted with a value to be deleted
//Debug.Log("Finishing");
toBeDeleted = r.Value;
}
}
}
//Inform the representation that we will no longer be giving it any hand updates
//because the corresponding hand has gone away
if (toBeDeleted != null)
{
all_hand_reps.Remove(toBeDeleted.HandID);
toBeDeleted.Finish();
}
}
public override HandRepresentation MakeHandRepresentation(Leap.Hand hand, ModelType modelType)
{
HandRepresentation handRep = null;
for (int i = 0; i < ModelPool.Count; i++)
{
IHandModel model = ModelPool[i];
bool isCorrectHandedness;
if (model.Handedness == Chirality.Either)
{
isCorrectHandedness = true;
}
else
{
Chirality handChirality = hand.IsRight ? Chirality.Right : Chirality.Left;
isCorrectHandedness = model.Handedness == handChirality;
}
bool isCorrectModelType;
isCorrectModelType = model.HandModelType == modelType;
if (isCorrectHandedness && isCorrectModelType)
{
ModelPool.RemoveAt(i);
handRep = new HandProxy(this, model, hand);
break;
}
}
return(handRep);
}
/**
* Updates HandRepresentations based in the specified HandRepresentation Dictionary.
* Active HandRepresentation instances are updated if the hand they represent is still
* present in the Provider's CurrentFrame; otherwise, the HandRepresentation is removed. If new
* Leap Hand objects are present in the Leap HandRepresentation Dictionary, new HandRepresentations are
* created and added to the dictionary.
*/
void UpdateHandRepresentations(Dictionary <int, HandRepresentation> all_hand_reps, ModelType modelType)
{
foreach (Leap.Hand curHand in Provider.CurrentFrame.Hands)
{
HandRepresentation rep;
if (!all_hand_reps.TryGetValue(curHand.Id, out rep))
{
rep = Factory.MakeHandRepresentation(curHand, modelType);
if (rep != null)
{
all_hand_reps.Add(curHand.Id, rep);
}
}
if (rep != null)
{
rep.IsMarked = true;
rep.UpdateRepresentation(curHand, modelType);
rep.LastUpdatedTime = (int)Provider.CurrentFrame.Timestamp;
}
}
//Mark-and-sweep to finish unused HandRepresentations
HandRepresentation toBeDeleted = null;
foreach (KeyValuePair <int, HandRepresentation> r in all_hand_reps)
{
if (r.Value != null)
{
if (r.Value.IsMarked)
{
r.Value.IsMarked = false;
}
else
{
//Initialize toBeDeleted with a value to be deleted
//Debug.Log("Finishing");
toBeDeleted = r.Value;
}
}
}
//Inform the representation that we will no longer be giving it any hand updates
//because the corresponding hand has gone away
if (toBeDeleted != null)
{
all_hand_reps.Remove(toBeDeleted.HandID);
toBeDeleted.Finish();
}
}