public static void Stop()
{
if (!IsRunning)
{
return;
}
Internal.G2OM.Destroy();
Internal.Provider.Destroy();
if (_updaterGameObject != null)
{
#if UNITY_EDITOR
if (Application.isPlaying)
{
Object.Destroy(_updaterGameObject.gameObject);
}
else
{
Object.DestroyImmediate(_updaterGameObject.gameObject);
}
#else
Object.Destroy(_updaterGameObject.gameObject);
#endif
}
_updaterGameObject = null;
_advanced = null;
Internal.G2OM = null;
Internal.Provider = null;
}
public static bool Start(TobiiXR_Settings settings = null)
{
if (IsRunning)
{
Stop();
}
if (!TobiiEula.IsEulaAccepted())
{
Debug.LogWarning(
"You need to accept Tobii Software Development License Agreement to use Tobii XR Unity SDK.");
}
// Create default settings if none were provided
if (settings == null)
{
settings = new TobiiXR_Settings();
}
Internal.Settings = settings;
// Setup eye tracking provider
if (settings.AdvancedEnabled)
{
Debug.Log("Advanced eye tracking enabled so TobiiXR will use Tobii provider for eye tracking.");
var licenseKey = settings.OcumenLicense;
if (string.IsNullOrEmpty(licenseKey))
{
var licenseResource = Resources.Load("TobiiOcumenLicense") as TextAsset;
if (licenseResource != null)
{
licenseKey = Encoding.Unicode.GetString(licenseResource.bytes);
}
else
{
throw new System.Exception("An Ocumen license is required to use the advanced API. Read more about Ocumen here: https://vr.tobii.com/sdk//technology/tobii-ocumen/");
}
}
var provider = new TobiiProvider();
if (!provider.InitializeAdvanced(licenseKey))
{
Debug.LogError("Failed to connect to a supported eye tracker. TobiiXR will NOT be available.");
return(false);
}
if (provider.HasValidOcumenLicense)
{
Debug.Log("Ocumen license valid");
_advanced = new TobiiXRAdvanced(provider);
}
else
{
Debug.LogError("Ocumen license INVALID. Advanced API will NOT be available.");
}
Internal.Provider = provider;
}
else
{
Internal.Provider = settings.EyeTrackingProvider;
if (Internal.Provider == null)
{
Internal.Provider = new NoseDirectionProvider();
Debug.LogWarning(string.Format("All configured providers failed. Using ({0}) as fallback.",
Internal.Provider.GetType().Name));
}
Debug.Log(string.Format("Starting TobiiXR with ({0}) as provider for eye tracking.",
Internal.Provider));
}
// Setup G2OM
if (settings.G2OM != null)
{
Internal.G2OM = settings.G2OM;
}
else
{
Internal.G2OM = G2OM.Create(new G2OM_Description
{
LayerMask = settings.LayerMask,
HowLongToKeepCandidatesInSeconds = settings.HowLongToKeepCandidatesInSeconds
});
}
// Create GameObject with TobiiXR_Lifecycle to give us Unity events
_updaterGameObject = new GameObject("TobiiXR Updater");
var updater = _updaterGameObject.AddComponent <TobiiXR_Lifecycle>();
updater.OnUpdateAction += Tick;
updater.OnDisableAction += Internal.G2OM.Clear;
updater.OnApplicationQuitAction += Stop;
return(true);
}