unity3d，异步加载场景

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很简单，代码如下：

using UnityEngine;using System.Collections;using UnityEngine.UI;public class Loading : MonoBehaviour {public Slider loading_bar;private AsyncOperation async_operation;// Use this for initializationvoid Start () {StartCoroutine ("LoadScene");}// Update is called once per framevoid Update () {loading_bar.value = async_operation.progress;}IEnumerator LoadScene(){async_operation = Application.LoadLevelAsync ("scene name");yield return async_operation;}}

unity5.3以后，推荐用scene manage,

using UnityEngine;using System.Collections;using UnityEngine.UI;using UnityEngine.SceneManagement;public class LoadSlider : MonoBehaviour{public Slider slider;public GameObject panel;private AsyncOperation async_operation;private bool load_switch;// Use this for initializationvoid Start (){panel.SetActive (false);load_switch = false;}//显示加载进度void Update (){if (load_switch) {slider.value = async_operation.progress;}}//根据输入名加载场景public void StartScene (string scene_name){panel.SetActive (true);load_switch = true;StartCoroutine ("LoadScene", scene_name);}//异步加载场景IEnumerator LoadScene (string scene_name){async_operation = SceneManager.LoadSceneAsync (scene_name);yield return async_operation;}}

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