/*--------------------------------------------------------------------------------------------*/
private void UpdateForPalm(Hand pLeapHand)
{
IsAvailable = true;
Position = pLeapHand.PalmPosition.ToUnityScaled();
Rotation = LeapUtil.CalcQuaternion(pLeapHand.Basis); //GC_ALLOC
Size = pLeapHand.PalmWidth * SizeScaleFactor;
}
/*--------------------------------------------------------------------------------------------*/
internal void Rebuild(Hand pLeapHand)
{
if (pLeapHand == null)
{
IsAvailable = false;
Position = Vector3.zero;
Rotation = Quaternion.identity;
Radius = 0;
NavigateBackStrength = 0;
DisplayStrength = 0;
return;
}
IsAvailable = true;
Position = pLeapHand.PalmPosition.ToUnityScaled();
Rotation = LeapUtil.CalcQuaternion(pLeapHand.Basis); //GC_ALLOC
Radius = 0.01f;
FingerList leapFingers = pLeapHand.Fingers; //GC_ALLOC
for (int i = 0; i < leapFingers.Count; i++)
{
Finger leapFinger = leapFingers[i]; //GC_ALLOC
if (leapFinger == null || !leapFinger.IsValid)
{
continue;
}
Vector3 palmToFinger = leapFinger.TipPosition.ToUnityScaled() - Position; //GC_ALLOC
Bone bone = leapFinger.Bone(Bone.BoneType.TYPE_DISTAL); //GC_ALLOC
Quaternion boneRot = LeapUtil.CalcQuaternion(bone.Basis); //GC_ALLOC
Radius = Math.Max(Radius, palmToFinger.sqrMagnitude);
Rotation = Quaternion.Slerp(Rotation, boneRot, 0.1f);
}
Radius = (float)Math.Sqrt(Radius);
Position += Rotation * Vector3.down * vSettings.DistanceFromPalm * Radius;
NavigateBackStrength = pLeapHand.GrabStrength / vSettings.NavBackGrabThreshold;
NavigateBackStrength = Mathf.Clamp(NavigateBackStrength, 0, 1);
DisplayStrength = Vector3.Dot(pLeapHand.PalmNormal.ToUnity(), vSettings.PalmDirection);
DisplayStrength = Mathf.Clamp((DisplayStrength - 0.7f) / 0.25f, 0, 1);
}
/*--------------------------------------------------------------------------------------------*/
private void UpdateForFinger(Hand pLeapHand, Finger.FingerType pLeapFingerType)
{
Finger leapFinger = LeapUtil.GetValidFinger(pLeapHand, pLeapFingerType);
if (leapFinger == null)
{
UpdateForNull();
return;
}
Bone bone = leapFinger.Bone(Bone.BoneType.TYPE_DISTAL); //GC_ALLOC
IsAvailable = true;
Position = leapFinger.TipPosition.ToUnityScaled(); //GC_ALLOC
Rotation = LeapUtil.CalcQuaternion(bone.Basis); //GC_ALLOC
Size = leapFinger.Width * SizeScaleFactor;
}
/*--------------------------------------------------------------------------------------------*/
private void UpdateForFinger(Hand pLeapHand, Finger.FingerType pLeapFingerType)
{
Finger leapFinger = pLeapHand.Fingers
.FingerType(pLeapFingerType)
.FirstOrDefault(f => f.IsValid);
if (leapFinger == null)
{
UpdateForNull();
return;
}
Bone bone = leapFinger.Bone(Bone.BoneType.TYPE_DISTAL);
IsAvailable = true;
Position = leapFinger.TipPosition.ToUnityScaled();
Rotation = LeapUtil.CalcQuaternion(bone.Basis);
Size = leapFinger.Width * SizeScaleFactor;
}