Version: 2020.3

EditorSceneManager.CalculateAvailableSceneCullingMask

マニュアルに切り替える
public static ulong CalculateAvailableSceneCullingMask ();

戻り値

ulong The lowest unused bit of the union of all culling masks.

説明

Go through all Scenes and find the smallest unused bit in the unition of all Scene culling masks.