public void StartCardboard()
{
// Configures the app to not shut down the screen and sets the brightness to maximum.
// Brightness control is expected to work only in iOS, see:
// https://docs.unity3d.com/ScriptReference/Screen-brightness.html.
Screen.sleepTimeout = SleepTimeout.NeverSleep;
Screen.brightness = 1.0f;
Application.targetFrameRate = 60;
if (!loader)
{
loader = ScriptableObject.CreateInstance <XRLoader>();
}
#if !UNITY_EDITOR
loader.Initialize();
#endif
loader.Start();
ConnectCardboardInputSystem();
isStarted = true;
ReloadDeviceParams();
// Checks if the device parameters are stored and scans them if not.
if (!Api.HasDeviceParams())
{
Api.ScanDeviceParams();
}
}
/// <summary>
/// Updates screen parameters. This method must be called at framerate to ensure the safe
/// area is properly taken into account on iOS devices.
///
/// Note: This method is a workaround for
/// <a href=https://fogbugz.unity3d.com/default.asp?1288515_t9gqdh39urj13div>Issue #1288515</a>
/// in Unity.
/// </summary>
public static void UpdateScreenParams()
{
// TODO(b/171702321): Remove this method once the safe area size could be properly
// fetched by the XRLoader.
if (!XRLoader._isInitialized)
{
return;
}
// Only recalculate rectangles if safe area size has changed since last check.
if (_cachedSafeArea != Screen.safeArea)
{
_cachedSafeArea = Screen.safeArea;
XRLoader.RecalculateRectangles(_cachedSafeArea);
}
}