SceneManagement.SceneManager

2023-07-17 15:58| 来源: 网络整理| 查看: 265

SceneManager.activeSceneChanged 切换到手册参数 value 使用 UnityAction 或某种方法（采用两个 Scene 类型参数）的订阅。描述

订阅此事件可在活动场景发生变化时收到通知。

此添加到 activeSceneChanged 中的脚本具有两个隐藏参数，它们是被替换的场景和下一个场景。参数不可见。在编辑器中，此事件仅在播放模式（而非编辑模式）下发送。如果需要在编辑模式下发送事件，请使用 EditorSceneManager.activeSceneChanged。

// SceneManager.activeSceneChanged // // This example configures Scene1 to wait for 1.5 seconds before switching to Scene2. // Scene1 is the replaced Scene; Scene2 is the new loaded Scene.using System.Collections; using System.Collections.Generic; using UnityEngine; using UnityEngine.SceneManagement;public class ScriptExample1 : MonoBehaviour { public delegate void Change(); public static event Change TimeChanged; public void Start() { SceneManager.activeSceneChanged += ChangedActiveScene; // wait 1.5 seconds before change to Scene2 StartCoroutine(TimeChangedScene()); } IEnumerator TimeChangedScene() { print(Time.time + " seconds"); yield return new WaitForSeconds(1.5f); print(Time.time + " seconds"); // call the event TimeChanged(); } private void ChangedActiveScene(Scene current, Scene next) { string currentName = current.name; if (currentName == null) { // Scene1 has been removed currentName = "Replaced"; } Debug.Log("Scenes: " + currentName + ", " + next.name); } void OnEnable() { Debug.Log("OnEnable"); ScriptExample1.TimeChanged += ChangeScene; } void ChangeScene() { Debug.Log("Changing to Scene2"); SceneManager.LoadScene("Scene2"); Scene scene = SceneManager.GetSceneByName("Scene2"); SceneManager.SetActiveScene(scene); } void OnDisable() { ScriptExample1.TimeChanged -= ChangeScene; Debug.Log("OnDisable happened for Scene1"); } }

ScriptExample2 直接声明这是活动场景。

using System.Collections; using System.Collections.Generic; using UnityEngine;public class ScriptExample2 : MonoBehaviour { void Start() { Debug.Log("Script2 starting"); } }

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