void EmitHandEvents(HandModel hand, HandViewModel viewModel, bool wasGrasping)
{
// Grasp events
if (hand.isGrasping != wasGrasping)
{
if (hand.isGrasping)
{
viewModel.onGrasp.Invoke();
}
else
{
viewModel.onUngrasp.Invoke();
}
}
// Grasp intention events
if (hand.graspIntentionLerp == 1.0f && !hand.isIntentionallyGrasping)
{
hand.isIntentionallyGrasping = true;
viewModel.onLongGrasp.Invoke();
}
else if (hand.graspIntentionLerp == 0.0f && hand.isIntentionallyGrasping)
{
hand.isIntentionallyGrasping = false;
viewModel.onLongUngrasp.Invoke();
}
}
void UpdateHandColor(HandViewModel hand)
{
Color c = new Color();
c.r = hand.graspLerp;
c.b = hand.index.pinchLerp;
hand.skinnedMR.material.SetColor("_BaseColor", c);
}
public void UpdateEvents(HandViewModel hand)
{
onFistLerpUpdate.Invoke(hand.fistLerp);
onGraspLerpUpdate.Invoke(hand.graspLerp);
onGraspSpeedUpdate.Invoke(hand.graspSpeed);
onThumbUpdate.Invoke(hand.thumb);
onIndexUpdate.Invoke(hand.index);
onMiddleUpdate.Invoke(hand.middle);
onRingUpdate.Invoke(hand.ring);
onPinkyUpdate.Invoke(hand.pinky);
}
void UpdateHand(HandModel hand, HandViewModel viewModel, CoreConfiguration conf)
{
bool wasGrasping = hand.isGrasping;
float tempValue;
int tempIndex;
for (int f = 0; f < hand.fingers.Length; f++)
{
if (hand.fingers[f].bones.Length == 0)
{
continue;
}
bool wasPinching = hand.fingers[f].isPinching;
if (model.strength)
{
// Strength
if (hand.fingers[f].bones.Length >= 3)
{
tempIndex = hand.fingers[f].bones.Length - 2;
}
else
{
tempIndex = hand.fingers[f].bones.Length - 1;
}
hand.fingers[f].strengthLerp = AvatarHelpers.GetBoneRotLerp(hand.fingers[f].bones[tempIndex].transformRef, conf.maxLocalRotZ, conf.minLocalRotZ);
}
if (model.flex)
{
// Flex
hand.fingers[f].flexLerp = AvatarHelpers.GetFingerFlexion(hand.fingers[f], conf.minFlexRelDistance, hand.proxyHand.scale);
}
if (model.grasp)
{
// Base rotation (Closed/Opened)
hand.fingers[f].baseRotationLerp = AvatarHelpers.GetBoneRotLerp(hand.fingers[f].fingerBase, conf.maxLocalRotZ, conf.minLocalRotZ);
hand.fingers[f].isClosed = hand.fingers[f].baseRotationLerp > conf.minLerpToClose;
}
if (model.fist)
{
// Palm line
hand.fingers[f].palmLineLerp = AvatarHelpers.GetPalmLineLerp(hand.fingers[f], conf.maxPalmRelDistance, conf.minPalmRelDistance, hand.proxyHand.scale);
}
if (model.pinch)
{
// Pinch
tempValue = hand.fingers[f].pinchLerp;
if (hand.fingers[f].flexLerp < conf.minFlexLerpToDisablePinch)
{
hand.fingers[f].pinchLerp = AvatarHelpers.GetFingerPinch(hand.fingers[f], conf.maxPinchRelDistance, conf.minPinchRelDistance, hand.proxyHand.scale);
}
else
{
hand.fingers[f].pinchLerp = 0.0f;
}
// Pinch speed
hand.fingers[f].pinchSpeed = (hand.fingers[f].pinchLerp - tempValue) / Time.deltaTime;
// Is Pinching
hand.fingers[f].isPinching = hand.fingers[f].pinchLerp > conf.minLerpToPinch;
// Time counter
if (hand.fingers[f].isPinching)
{
hand.fingers[f].timePinching += Time.deltaTime;
}
else
{
hand.fingers[f].timePinching = 0.0f;
}
// Gesture intention
if (hand.fingers[f].isPinching)
{
hand.fingers[f].pinchIntentionTime = Mathf.Clamp(hand.fingers[f].timePinching, 0.0f, model.configuration.minTimeToIntention);
}
else
{
hand.fingers[f].pinchIntentionTime = Mathf.Clamp(hand.fingers[f].pinchIntentionTime - Time.deltaTime, 0.0f, model.configuration.minTimeToIntention);
}
hand.fingers[f].pinchIntentionLerp = Mathf.InverseLerp(0.0f, model.configuration.minTimeToIntention, hand.fingers[f].pinchIntentionTime);
}
// Events
EmitFingerEvents(hand.fingers[f], viewModel.fingers[f], wasPinching);
}
if (model.fist)
{
// Fist
hand.fistLerp = AvatarHelpers.GetHandFist(hand);
hand.isFist = hand.fistLerp > model.minLerpToFist;
}
if (model.grasp)
{
// Grasp
tempValue = hand.graspLerp;
hand.graspLerp = AvatarHelpers.GetHandGrasp(hand);
hand.graspSpeed = (hand.graspLerp - tempValue) / Time.deltaTime;
hand.isGrasping = hand.graspLerp > model.minLerpToGrasp;
// Time grasping
if (hand.isGrasping)
{
hand.timeGrasping += Time.deltaTime;
}
else
{
hand.timeGrasping = 0.0f;
}
// Gesture intention
if (hand.isGrasping)
{
hand.graspIntentionTime = Mathf.Clamp(hand.timeGrasping, 0.0f, model.configuration.minTimeToIntention);
}
else
{
hand.graspIntentionTime = Mathf.Clamp(hand.graspIntentionTime - Time.deltaTime, 0.0f, model.configuration.minTimeToIntention);
}
hand.graspIntentionLerp = Mathf.InverseLerp(0.0f, model.configuration.minTimeToIntention, hand.graspIntentionTime);
}
if (model.rays)
{
// Ray
if (hand.ray && hand.proxyHand && hand.proxyHand.shoulderTip)
{
hand.ray.forward = AvatarHelpers.GetHandRayDirection(hand, hand.proxyHand.shoulderTip);
hand.ray.gameObject.SetActive(Vector3.Dot(hand.palmNormal.forward, hand.ray.forward) > 0.0f);
}
}
// Events
EmitHandEvents(hand, viewModel, wasGrasping);
}
