public void UpdateBehaviour(IInteractionBehaviour behaviour, Hand _hand)
{
using (new ProfilerSample("Update Individual Classifier", behaviour.gameObject)) {
GrabClassifierHeuristics.GrabClassifier classifier;
Dictionary <IInteractionBehaviour, GrabClassifierHeuristics.GrabClassifier> classifiers = (_hand.IsLeft ? leftGrabClassifiers : rightGrabClassifiers);
if (!classifiers.TryGetValue(behaviour, out classifier))
{
classifier = new GrabClassifierHeuristics.GrabClassifier(behaviour.gameObject);
classifiers.Add(behaviour, classifier);
}
//Do the actual grab classification logic
fillClassifier(_hand, ref classifier);
GrabClassifierHeuristics.UpdateClassifier(classifier, collidingCandidates, numberOfColliders, scaledGrabParams);
if (classifier.isGrabbing != classifier.prevGrabbing)
{
if (classifier.isGrabbing)
{
if (!_manager.TwoHandedGrasping)
{
_manager.ReleaseObject(behaviour);
}
_manager.GraspWithHand(_hand, behaviour);
}
else if (behaviour.IsBeingGraspedByHand(_hand.Id))
{
_manager.ReleaseHand(_hand.Id);
classifier.coolDownProgress = 0f;
}
}
classifier.prevGrabbing = classifier.isGrabbing;
}
}
protected void fillClassifier(Hand _hand, ref GrabClassifierHeuristics.GrabClassifier classifier)
{
classifier.handChirality = _hand.IsLeft;
classifier.handDirection = _hand.Direction.ToVector3();
classifier.handXBasis = _hand.Basis.xBasis.ToVector3();
classifier.handGrabCenter = (_hand.PalmPosition + (_hand.Direction * 0.05f * _manager.SimulationScale) + (_hand.PalmNormal * 0.01f * _manager.SimulationScale)).ToVector3();
for (int i = 0; i < _hand.Fingers.Count; i++)
{
classifier.probes[i].direction = _hand.Fingers[i].Direction.ToVector3();
}
}
protected void FillClassifier(IInteractionBehaviour behaviour, Hand hand, ref GrabClassifierHeuristics.GrabClassifier classifier)
{
classifier.handChirality = hand.IsLeft;
classifier.handDirection = hand.Direction.ToVector3();
classifier.handXBasis = hand.Basis.xBasis.ToVector3();
float simScale = interactionHand.manager.SimulationScale;
classifier.handGrabCenter = (hand.PalmPosition
+ (hand.Direction * 0.05f * simScale)
+ (hand.PalmNormal * 0.01f * simScale)).ToVector3();
for (int i = 0; i < hand.Fingers.Count; i++)
{
classifier.probes[i].direction = hand.Fingers[i].Direction.ToVector3();
}
classifier.isGrabbed = behaviour.isGrasped;
}
/// <summary>
/// Returns true if the behaviour reflects the state-change (grasped or released) as specified by
/// the graspMode.
/// </summary>
private bool updateBehaviour(IInteractionBehaviour behaviour, Hand hand, GraspUpdateMode graspMode, bool ignoreTemporal = false)
{
using (new ProfilerSample("Update Individual Grab Classifier", behaviour.gameObject))
{
// Ensure a classifier exists for this Interaction Behaviour.
GrabClassifierHeuristics.GrabClassifier classifier;
if (!_classifiers.TryGetValue(behaviour, out classifier))
{
classifier = new GrabClassifierHeuristics.GrabClassifier(behaviour.gameObject);
_classifiers.Add(behaviour, classifier);
}
// Do the actual grab classification logic.
FillClassifier(behaviour, hand, ref classifier);
GrabClassifierHeuristics.UpdateClassifier(classifier, _scaledGrabParams,
ref _collidingCandidates,
ref _numberOfColliders,
ignoreTemporal);
// Determine whether there was a state change.
bool didStateChange = false;
if (!classifier.prevThisControllerGrabbing && classifier.isThisControllerGrabbing &&
graspMode == GraspUpdateMode.BeginGrasp)
{
didStateChange = true;
classifier.prevThisControllerGrabbing = classifier.isThisControllerGrabbing;
}
else if (classifier.prevThisControllerGrabbing && !classifier.isThisControllerGrabbing &&
interactionHand.graspedObject == behaviour && graspMode == GraspUpdateMode.ReleaseGrasp)
{
didStateChange = true;
classifier.coolDownProgress = 0f;
classifier.prevThisControllerGrabbing = classifier.isThisControllerGrabbing;
}
return(didStateChange);
}
}
