static public EditorUpdateHelper Self()
{
if (instance == null)
{
instance = new EditorUpdateHelper();
}
return(instance);
}
public static int GetCurrentFrameCount()
{
int frame = 0;
if (Application.isEditor && !Application.isPlaying)
{
#if UNITY_EDITOR
frame = EditorUpdateHelper.Self().updateTick;
#endif
}
else
{
frame = Time.frameCount;
}
return(frame);
}
public static bool IsSceneViewCamera(Camera cam, bool forceUpdate = false)
{
// Added so InternalEditorUtility.GetSceneViewCameras() is not being called
// Every Editor tick. This function is quite expensive and can generate a
// lot of garbage. So to ensure a smooth editor experience we defer the update
if (internalCameras == null ||
lastUpdateTick != EditorUpdateHelper.Self().updateTick ||
forceUpdate)
{
lastUpdateTick = EditorUpdateHelper.Self().updateTick;
internalCameras = InternalEditorUtility.GetSceneViewCameras();
}
for (int i = 0; i < internalCameras.Length; i++)
{
if (internalCameras[i] == cam)
{
return(true);
}
}
return(false);
}