SceneManager.loadedSceneCount

说明

已加载场景数。

返回当前已加载场景数。其中不包括当前正在加载或卸载的场景。如需查看场景总数，请参阅 SceneManager.sceneCount。

using UnityEngine;
using UnityEngine.SceneManagement;
using UnityEditor;

public class Example
{
    // adds a custom menu item which displays the number of open Scenes in a Dialogue Box
    [MenuItem("SceneExample/Number Of Scenes")]
    public static void NumberOfScenes()
    {
        EditorUtility.DisplayDialog("Number of loaded Scenes:", SceneManager.loadedSceneCount.ToString(), "OK");
    }
}