public void FixedUpdateClassifierHandState()
{
using (new ProfilerSample("Update Classifier Hand State")) {
var hand = interactionHand.leapHand;
if (interactionHand.isTracked)
{
// Ensure that all scale dependent variables are properly set.
_scaledGrabParams.FINGERTIP_RADIUS = _defaultGrabParams.FINGERTIP_RADIUS
* interactionHand.manager.SimulationScale;
_scaledGrabParams.THUMBTIP_RADIUS = _defaultGrabParams.THUMBTIP_RADIUS
* interactionHand.manager.SimulationScale;
_scaledGrabParams.MAXIMUM_DISTANCE_FROM_HAND = _defaultGrabParams.MAXIMUM_DISTANCE_FROM_HAND
* interactionHand.manager.SimulationScale;
// Ensure layer mask is up-to-date.
_scaledGrabParams.LAYER_MASK = interactionHand.manager.GetInteractionLayerMask();
for (int i = 0; i < hand.Fingers.Count; i++)
{
_fingerTipPositions[i] = hand.Fingers[i].TipPosition.ToVector3();
}
GrabClassifierHeuristics.UpdateAllProbeColliders(_fingerTipPositions, ref _collidingCandidates, ref _numberOfColliders, _scaledGrabParams);
}
}
}
public void FixedUpdateClassifierHandState(Transform headTransform = null)
{
using (new ProfilerSample("Update Classifier Hand State"))
{
var hand = interactionHand.leapHand;
if (interactionHand.isTracked)
{
// Ensure that all scale dependent variables are properly set.
_scaledGrabParams.FINGERTIP_RADIUS = _defaultGrabParams.FINGERTIP_RADIUS
* interactionHand.manager.SimulationScale;
_scaledGrabParams.THUMBTIP_RADIUS = _defaultGrabParams.THUMBTIP_RADIUS
* interactionHand.manager.SimulationScale;
_scaledGrabParams.MAXIMUM_DISTANCE_FROM_HAND = _defaultGrabParams.MAXIMUM_DISTANCE_FROM_HAND
* interactionHand.manager.SimulationScale;
// Ensure layer mask is up-to-date.
_scaledGrabParams.LAYER_MASK = interactionHand.manager.GetInteractionLayerMask();
/*if (headTransform != null) {
* //SERIOUS HACKS: Have the collider for the grab classifier stretch along the camera's projective axis
* //This will make it easier for users to grab far away objects (while being uncertain of their depth)
* for (int i = 0; i < hand.Fingers.Count; i++) {
* Vector3 fingerTipPosition = hand.Fingers[i].TipPosition.ToVector3();
* Vector3 stretchDirection = (fingerTipPosition - headTransform.position) * 0.1f;
* _fingerTipPositions[i] = fingerTipPosition + stretchDirection;
* _fingerKnucklePositions[i] = fingerTipPosition - stretchDirection;
* }
* } else {*/
for (int i = 0; i < hand.Fingers.Count; i++)
{
_fingerTipPositions[i] = hand.Fingers[i].TipPosition.ToVector3();
_fingerKnucklePositions[i] = hand.Fingers[i].Bone(Bone.BoneType.TYPE_METACARPAL).NextJoint.ToVector3();
}
// }
GrabClassifierHeuristics.UpdateAllProbeColliders(_fingerTipPositions, _fingerKnucklePositions, ref _collidingCandidates, ref _numberOfColliders, _scaledGrabParams);
}
}
}
//Classifier bookkeeping
public void UpdateHeuristicClassifier(Hand hand)
{
if (hand != null)
{
//Ensure that all scale dependent variables are properly set
scaledGrabParams.FINGERTIP_RADIUS = defaultGrabParams.FINGERTIP_RADIUS * _manager.SimulationScale;
scaledGrabParams.THUMBTIP_RADIUS = defaultGrabParams.THUMBTIP_RADIUS * _manager.SimulationScale;
scaledGrabParams.MAXIMUM_DISTANCE_FROM_HAND = defaultGrabParams.MAXIMUM_DISTANCE_FROM_HAND * _manager.SimulationScale;
//Ensure that the temporally variant variables are updated
//scaledGrabParams.LAYER_MASK = 1<<_manager.InteractionLayer;
for (int i = 0; i < hand.Fingers.Count; i++)
{
fingerTipPositions[i] = hand.Fingers[i].TipPosition.ToVector3();
}
using (new ProfilerSample("Update All Grab Classifiers", _manager)) {
GrabClassifierHeuristics.UpdateAllProbeColliders(fingerTipPositions, ref collidingCandidates, ref numberOfColliders, scaledGrabParams);
//First check if already holding an object and only process that one
var graspedBehaviours = _manager.GraspedObjects;
for (int i = 0; i < graspedBehaviours.Count; i++)
{
if (graspedBehaviours[i].IsBeingGraspedByHand(hand.Id))
{
UpdateBehaviour(graspedBehaviours[i], hand);
return;
}
}
//If not, process all objects
var activeBehaviours = _manager._activityManager.ActiveBehaviours;
for (int i = 0; i < activeBehaviours.Count; i++)
{
UpdateBehaviour(activeBehaviours[i], hand);
}
}
}
}