private static void UpdateHandJoints(InputDeviceCharacteristics flag, Hand hand)
{
List <InputDevice> inputDeviceList = new List <InputDevice>();
InputDevices.GetDevicesWithCharacteristics(InputDeviceCharacteristics.HandTracking | flag, inputDeviceList);
UnityEngine.XR.Hand xrHand = default;
foreach (InputDevice device in inputDeviceList)
{
if (device.TryGetFeatureValue(CommonUsages.isTracked, out bool isTracked) &&
isTracked &&
device.TryGetFeatureValue(CommonUsages.handData, out xrHand))
{
break;
}
}
if (xrHand != default)
{
hand?.UpdateHandJoints(xrHand);
}
else
{
// If we get here, we didn't successfully update hand joints for any tracked input device
hand?.DisableHandJoints();
}
}
public void FilledWithUnityXRHand(ref UnityEngine.XR.Hand hand)
{
var fingerBones = new List <UnityEngine.XR.Bone>();
for (int i = 0; i < 5; i++)
{
fingerBones.Clear();
hand.TryGetFingerBones((HandFinger)i, fingerBones);
for (int j = 0; j < fingerBones.Count; j++)
{
var fingerBone = fingerBones[j];
var bone = bones[i * 3 + j];
Vector3 position = bone.position;
fingerBone.TryGetPosition(out position);
bone.position = position;
Quaternion rotation = bone.rotation;
fingerBone.TryGetRotation(out rotation);
bone.rotation = rotation;
}
}
}
/// <summary>
/// Update this hand's internal state with the Unity XR InputDevice's hand data.
/// </summary>
/// <param name="device">The InputDevice to get the CommonUsages.handData feature value from.</param>
public void UpdateHandJoints(UnityEngine.XR.Hand hand)
{
// If the hand was previously disabled, this is the first new update and it should be re-enabled
if (!handRoot.activeSelf)
{
handRoot.SetActive(true);
}
if (hand.TryGetRootBone(out Bone palm))
{
if (palmGameObject == null)
{
if (InstantiateJointPrefab(out palmGameObject))
{
ColorJointObject(palmGameObject, null, null);
}
}
bool positionAvailable = palm.TryGetPosition(out Vector3 position);
bool rotationAvailable = palm.TryGetRotation(out Quaternion rotation);
if (positionAvailable || rotationAvailable)
{
palmGameObject.transform.SetPositionAndRotation(position, rotation);
}
}
foreach (HandFinger finger in HandFingers)
{
if (hand.TryGetFingerBones(finger, fingerBones))
{
if (!handFingerGameObjects.ContainsKey(finger))
{
GameObject[] jointArray = new GameObject[fingerBones.Count];
for (int i = 0; i < fingerBones.Count; i++)
{
if (InstantiateJointPrefab(out GameObject jointObject))
{
ColorJointObject(jointObject, finger, i);
}
jointArray[i] = jointObject;
}
handFingerGameObjects[finger] = jointArray;
}
GameObject[] fingerJointGameObjects = handFingerGameObjects[finger];
for (int i = 0; i < fingerBones.Count; i++)
{
Bone bone = fingerBones[i];
bool positionAvailable = bone.TryGetPosition(out Vector3 position);
bool rotationAvailable = bone.TryGetRotation(out Quaternion rotation);
if (positionAvailable || rotationAvailable)
{
fingerJointGameObjects[i].transform.SetPositionAndRotation(position, rotation);
}
}
}
}
}
public static UnityEngine.XR.Hand GetDeviceFeatureValueOrDefault(InputDevice device, InputFeatureUsage <UnityEngine.XR.Hand> feature, UnityEngine.XR.Hand defaultValue = default(UnityEngine.XR.Hand))
{
UnityEngine.XR.Hand value; if (device.TryGetFeatureValue(feature, out value))
{
return(value);
}
LogWarningFeatureNotFound(device, feature);
return(defaultValue);
}
