58 lines
1.8 KiB
C#
58 lines
1.8 KiB
C#
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using UnityEngine;
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using UnityEngine.SceneManagement;
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using System.Collections;
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using UnityEngine.UI;
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/// <summary>
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/// A global helper to seamlessly load levels using a dedicated Loading Scene.
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/// </summary>
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public class LevelLoader : MonoBehaviour
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{
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// The static variable that remembers where we want to go!
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public static string targetSceneName = "";
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[Header("Loading UI")]
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[Tooltip("The UI Slider used as a visual loading progress bar.")]
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public Slider loadingProgressBar;
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private void Start()
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{
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// If this script wakes up and there's a target scene defined, it means
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// we are currently sitting in the LoadingScene and should start the heavy lifting!
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if (!string.IsNullOrEmpty(targetSceneName))
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{
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StartCoroutine(LoadSceneAsynchronously(targetSceneName));
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}
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}
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/// <summary>
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/// Call this from anywhere in your game to trigger the loading screen and go to a new level!
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/// Example: LevelLoader.LoadLevel("HouseInterior");
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/// </summary>
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public static void LoadLevel(string sceneName)
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{
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targetSceneName = sceneName;
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// Asynchronously load the Loading Scene to prevent the Main Menu from freezing!
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SceneManager.LoadSceneAsync("LoadingScene");
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}
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private IEnumerator LoadSceneAsynchronously(string sceneName)
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{
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// Start loading the heavy scene in the background
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AsyncOperation operation = SceneManager.LoadSceneAsync(sceneName);
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// Update the loading bar while the scene is loading
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while (!operation.isDone)
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{
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float progress = Mathf.Clamp01(operation.progress / 0.9f);
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if (loadingProgressBar != null)
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{
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loadingProgressBar.value = progress;
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}
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yield return null;
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}
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}
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}
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