/// <summary>
/// Updates the pose of the root of the hand
/// using the visual provided values. Sometimes this
/// might require lerping between the tracked pose
/// and the provided one to improve the movement of the hand
/// without worrying about when the overwrite value was written.
///
/// During this update, the modifier also ensures the unlocking
/// animations are executed.
/// </summary>
/// <param name="root">The tracked root value to modify</param>
private void UpdateRootPose(ref Pose root)
{
float smoothPositionFactor = _wristPositionLocked ? _wristPositionLockCurve.Progress() : _wristPositionUnlockCurve.Progress();
Vector3 position = Vector3.Lerp(root.position, _desiredWristPose.position, _wristPositionOverrideFactor);
root.position = Vector3.Lerp(_constrainedWristPose.position, position, smoothPositionFactor);
float smoothRotationFactor = _wristRotationLocked ? _wristRotationLockCurve.Progress() : _wristRotationUnlockCurve.Progress();
Quaternion rotation = Quaternion.Lerp(root.rotation, _desiredWristPose.rotation, _wristRotationOverrideFactor);
root.rotation = Quaternion.Lerp(_constrainedWristPose.rotation, rotation, smoothRotationFactor);
_lastWristPose.CopyFrom(root);
}
private void UpdateWristJoint(HandJointId jointid, ref Pose pose)
{
int jointIndex = (int)jointid;
if ((_dirtyWristJoints & (1 << jointIndex)) != 0)// its dirty
{
if (jointid > HandJointId.HandWristRoot)
{
UpdateWristJoint((HandJointId)_originalJoints[jointIndex].parent, ref pose);
PoseUtils.Multiply(pose, _localPoses[jointIndex], ref _posesFromWrist[jointIndex]);
}
_dirtyWristJoints = _dirtyWristJoints & ~(1 << jointIndex); //set clean
}
pose.CopyFrom(_posesFromWrist[jointIndex]);
}
protected override void Apply(HandDataAsset data)
{
if (!data.IsDataValid || !data.IsTracked || !data.IsHighConfidence)
{
data.IsConnected = false;
data.RootPoseOrigin = PoseOrigin.None;
_hasConnectedData = false;
return;
}
UpdateRequired.Invoke();
_lastStates.CopyFrom(data);
if (!_hasConnectedData)
{
_constrainedWristPose.CopyFrom(data.Root);
_hasConnectedData = true;
}
UpdateJointsRotation(data);
UpdateRootPose(ref data.Root);
data.RootPoseOrigin = PoseOrigin.SyntheticPose;
}