/// <summary>
/// Attach the XRGrabInteractable in the center (+offset) of the socket. Also makes the Rigidbody kinematic
/// </summary>
/// <param name="objectToAttach">The XRGrabInteractable to attach</param>
private void Attach(XRGrabInteractable objectToAttach)
{
Debug.Log($"Attach {objectToAttach}");
socketedInteractable = objectToAttach;
baseScale = socketedInteractable.transform.localScale;
// since XRGrabInteractable modifies the rigidbodies after grab event we must modify the rigidbody after it does
socketedInteractable.selectExited.AddListener(_ =>
{
Debug.Log("Select exit Attach");
var rb = socketedInteractable.GetComponent <Rigidbody>();
rb.useGravity = false;
rb.isKinematic = true;
socketedInteractable.transform.parent = transform;
socketedInteractable.transform.localRotation = Quaternion.identity; // set the socketInteractable rotation the same as the parent socket
socketedInteractable.selectExited.RemoveAllListeners();
});
// force drop the holdedObject and don't allow regrab it with the same input
socketedInteractable.selectingInteractor.allowSelect = false;
StartCoroutine(AllowSelect(socketedInteractable.selectingInteractor));
socketedInteractable.retainTransformParent = false;
socketedInteractable.transform.position = transform.position + offsetY * transform.up;
socketedInteractable.selectEntered.AddListener(_ => Release()); // once the object is in the inventory the grab event will release it
parentInventory.AddObject(socketedInteractable.gameObject);
}
static void DisableDelayProperties(XRGrabInteractable grabInteractable)
{
grabInteractable.velocityDamping = 1f;
grabInteractable.velocityScale = 1f;
grabInteractable.angularVelocityDamping = 1f;
grabInteractable.angularVelocityScale = 1f;
grabInteractable.attachEaseInTime = 0f;
var rigidbody = grabInteractable.GetComponent <Rigidbody>();
rigidbody.maxAngularVelocity = float.PositiveInfinity;
}
void Update()
{
if (m_CurrentSelectionOutline != null)
{
m_CurrentSelectionOutline.RemoveHighlight();
}
if (m_TractingObject)
{
Tracting();
}
else if (IsEnabled)
{
Vector3 worldAxis = m_DirectInteractor.transform.TransformDirection(LocalRayAxis);
m_HighlightedRigidbody = null;
int mask = ~0;
mask &= ~(1 << LayerMask.NameToLayer("Hands"));
int count = Physics.SphereCastNonAlloc(m_DirectInteractor.transform.position, 0.2f, worldAxis, m_HitCache, 15.0f, mask, QueryTriggerInteraction.Ignore);
if (count != 0)
{
float closestDistance = float.MaxValue;
float closestDistanceGrabbable = float.MaxValue;
XRGrabInteractable closestGrababble = null;
for (int i = 0; i < count; ++i)
{
if (closestDistance > m_HitCache[i].distance)
{
closestDistance = m_HitCache[i].distance;
}
if (m_HitCache[i].rigidbody == null)
{
continue;
}
var grabbable = m_HitCache[i].rigidbody.GetComponentInChildren <XRGrabInteractable>();
if (grabbable != null && m_HitCache[i].distance < closestDistanceGrabbable)
{
closestDistanceGrabbable = m_HitCache[i].distance;
closestGrababble = grabbable;
}
}
BeamRenderer.SetPosition(1, LocalRayAxis * closestDistance);
if (closestGrababble != null)
{
var filter = closestGrababble.GetComponentInChildren <MeshFilter>();
if (filter != null)
{
m_HighlightedRigidbody = closestGrababble.GetComponent <Rigidbody>();
var outline = m_HighlightedRigidbody.GetComponentInChildren <SelectionOutline>();
if (outline != null)
{
m_CurrentSelectionOutline = outline;
m_CurrentSelectionOutline.Highlight();
}
}
}
}
}
}