public override sealed void UpdateExtension(TargetConstraint t)
{
// Linear limit
t.joint.xMotion = ConfigurableJointMotion.Locked;
t.joint.yMotion = ConfigurableJointMotion.Locked;
t.joint.zMotion = ConfigurableJointMotion.Limited;
limitSpring.spring = spring;
limitSpring.damper = damper;
t.joint.linearLimitSpring = limitSpring;
worldLimitStart = t.connectedAnchor.position - t.GetJointAxisWorldRotation() * Vector3.forward * limit.limit;
worldLimitEnd = t.connectedAnchor.position + t.GetJointAxisWorldRotation() * Vector3.forward * limit.limit;
if (showLimitedAxis)
{
Debug.DrawLine(worldLimitStart, worldLimitEnd, Color.black);
}
// Threshold detection
if (detectThreshold)
{
if (togglingThresholdDetectionIn <= 0.0f)
{
closestToLine = BasicHelpers.NearestPointOnFiniteLine(worldLimitStart, worldLimitEnd, t.anchor.position);
if (inverted)
{
positionLerp = Vector3.Distance(worldLimitStart, closestToLine) / (limit.limit * 2.0f);
}
else
{
positionLerp = Vector3.Distance(worldLimitEnd, closestToLine) / (limit.limit * 2.0f);
}
if (positionLerp > threshold && thresholdState != ThresholdState.Over)
{
togglingThresholdDetectionIn = minTimeBetweenDetections;
thresholdState = ThresholdState.Over;
onOverThreshold.Invoke();
}
else if (positionLerp < threshold && thresholdState != ThresholdState.Under)
{
togglingThresholdDetectionIn = minTimeBetweenDetections;
thresholdState = ThresholdState.Under;
onUnderThreshold.Invoke();
}
}
else
{
togglingThresholdDetectionIn -= Time.deltaTime;
}
}
}
public override sealed void FingerLerpUpdate()
{
base.FingerLerpUpdate();
// Lerp
minDist = conf.minPalmRelDistance * hand.totalScale;
maxDist = conf.maxPalmRelDistance * hand.totalScale;
nearestPointToLine = BasicHelpers.NearestPointOnFiniteLine(hand.palmExterior.transformRef.position, hand.palmInterior.transformRef.position, finger.tip.transformRef.position);
dist = Vector3.Distance(nearestPointToLine, finger.tip.transformRef.position);
_lerp = 1.0f - Mathf.InverseLerp(minDist, maxDist, dist);
// Intention
_providesIntention = false;
}