private const long CALCULATOR_FRAME_TIMEOUT = 60; //number of frames to pass before a calculator can be recycled
private static GrabbingInfoCalculator getCalculator(GrabbingInfoSettings settings, Hand hand, InteractionObject volume)
{
HandObjectPair key = new HandObjectPair(hand.Id, volume);
long frameId = hand.Frame.Id;
int index = -1;
if (!_indexMap.TryGetValue(key, out index))
{
for (int i = 0; i < _calculators.Count; i++)
{
if (_calculators[i].lastUpdatedFrameId < frameId - CALCULATOR_FRAME_TIMEOUT)
{
_calculators[i].reset(settings, volume);
_indexMap[key] = i;
return(_calculators[i]);
}
}
GrabbingInfoCalculator newCalculator = new GrabbingInfoCalculator(settings, volume);
_indexMap[key] = _calculators.Count;
_calculators.Add(newCalculator);
return(newCalculator);
}
return(_calculators[index]);
}
public static float getGrabStrength(GrabbingInfoSettings settings, Hand hand, InteractionObject volume, bool isCurrentlyGrabbing)
{
GrabbingInfoCalculator calculator = getCalculator(settings, hand, volume);
calculator.ensureUpdated(hand, isCurrentlyGrabbing);
return(calculator.grabValue);
}
public CurvedFilteredValueCalculator(GrabbingInfoCalculator info, T settings, ValueType valueType) : base(info, settings, valueType)
{
}
public HandRotationRateCalculator(GrabbingInfoCalculator info, GrabbingInfoSettings.HandRotationRateSettings settings, ValueType valueType) : base(info, settings, valueType)
{
}
public ValueCalculator(GrabbingInfoCalculator infoCalculator, T settings, ValueType valueType)
{
_infoCalculator = infoCalculator;
_settings = settings;
_valueType = valueType;
}
public HandPalmDistanceReleaseCalculator(GrabbingInfoCalculator info, GrabbingInfoSettings.HandPalmDistanceReleaseSetting settings, ValueType valueType) : base(info, settings, valueType)
{
}
public HandPalmDirectionCalculator(GrabbingInfoCalculator info, GrabbingInfoSettings.HandPalmDirectionSetting settings, ValueType valueType) : base(info, settings, valueType)
{
}
public FingerReleasingSpeedCalculator(GrabbingInfoCalculator info, GrabbingInfoSettings.FingerReleasingSpeedSetting settings, ValueType valueType) : base(info, settings, valueType)
{
}
public FingerGrabbingPoseCalculator(GrabbingInfoCalculator info, GrabbingInfoSettings.FingerGrabbingPoseSetting settings, ValueType valueType) : base(info, settings, valueType)
{
}
public FingerProximityCalculator(GrabbingInfoCalculator info, GrabbingInfoSettings.FingerProximitySetting settings, ValueType valueType) : base(info, settings, valueType)
{
}