/// <summary>
/// Raycasts from the origin for any IInteractables. If one is found it is assigned to the IInteractor.
/// </summary>
private void CheckForInteractables()
{
bool raycastHit = Physics.Raycast(origin.position, origin.forward, out RaycastHit hit, rayLength);
if (raycastHit)
{
// Make sure we hit something on our interactable layer. If not, unassign any IInteractable we have currently assigned.
if (whatIsInteractable != (whatIsInteractable | 1 << hit.transform.gameObject.layer))
{
if (interactor.GetInteractable() != null)
{
interactor.UnassignInteractable();
}
return;
}
IInteractable interactable = hit.transform.GetComponent <IInteractable>();
if (interactable == null)
{
Debug.Log("RAYCAST INTERACTION: " + hit.transform.name + " is on an interactable layer but has no IInteractable component!");
return;
}
if (interactor.GetInteractable() != interactable)
{
interactor.SetInteractable(interactable);
}
}
// If we didn't hit anything but still have an IInteractable assigned, unassign it.
else if (interactor.GetInteractable() != null)
{
interactor.UnassignInteractable();
}
}