Unity Load Scene Async Freeze, I copy pasted code from official Unity page so there’s no mistake on my part.

Unity Load Scene Async Freeze, 5. Feb 24, 2018 · I thought the point of loading something Async is that it will load in the background while the game keeps on doing it’s thing. this all happens in the main thread . Feb 18, 2021 · My game is comprised of one main scene and a collection of minigames that are loaded/unloaded additively. I use the asynchronous loading to load the next scene, but each time it loads, it freezes for a few frames. WaitForCompletion () while the scene is still being loaded. LoadSceneAsync(sceneName, LoadSceneMode Aug 1, 2018 · I even tried to load scene without the Async, and it still hangs for a random period of time, so as you are saying, something seems to fail when the SceneManager tries to load a scene. Or perhaps slicing the scene differently, or maybe use Instantiate with prefabs. Aug 7, 2023 · The problem is that the user is calling Addressables. 7p1 the scene is loaded much faster Tested on Windows 10; Note, this only happens in the Editor, standalone builds are fine. This can block the main thread and prevent other asynchronous operations in progress from completing. 4. 6. Dec 19, 2017 · SceneManager. Loads the Scene asynchronously in the background. Addressables has a callback registered to SceneManager. sceneUnloaded += OnSceneUnloaded, which will Jan 3, 2017 · Expected: Unity Editor loads the selected scene in the background Actual: Unity Editor freezes when loading a scene asynchronously Reproducible on: 5. Mar 18, 2026 · This is one of the most common and most jarring issues in Unity games, and it happens because synchronous scene loading blocks the main thread entirely. So what I currently do feels very ghetto (but works well): I !active every gameObj in the scene. However, I get a freeze whenever I try to do this. Mar 1, 2019 · I’ve setup some async scene loading with LoadSceneAsync method to play around with it but apparently it doesn’t do anything ‘asynchronous’. LoadSceneAsync () is freezing the menu scene while the async operation is loading the game scene. When you pause and play, the rest of the async load gets executed and the game runs fine. In this case UnloadAssetBundle is the operation being blocked. With that, you don‘t wait until the scene is loaded completly and the while loop triggers. 3. 0b3, though on 5. Being a VR game this is kind of disorienting. SetTopPanelActive(false); AsyncOperation asyncOperation = SceneManager. Jul 14, 2022 · I’m loading scenes additively on demand. I load my scenes asynchronously and wait for the isDone flag in a coroutine, like so: IEnumerator LoadAndWait() { MenuNavigator. you should profile where the freeze May 26, 2023 · By the end of this article, you will feel comfortable using the Unity SceneManager class to load scenes using the LoadScene and LoadSceneAsync methods. If you only provide the Scene name, Unity loads the first Scene in the list that matches. 0p3, 5. LoadSceneAsync(sceneName, LoadSceneMode Description Loads the Scene asynchronously in the background. 7p1, 5. I copy pasted code from official Unity page so there’s no mistake on my part. Sep 19, 2016 · Unity's behaviour for asynchronous loading differs between Editor and built Player, making it difficult to reason about and test such smooth loading experiences in Editor Play Mode. I have some animation as part of my menu scene and as soon as I start the async operation the animation completely freezes for about 10-15s, then the game scene is shown. You can provide the full Scene path, the path shown in the Build Settings window, or just the Scene name. LoadAssetAsync. May 14, 2020 · Learn how to load levels, build progress bars and pass data between Scenes in my in-depth beginner's guide to loading Scenes in Unity. Jul 8, 2025 · The best workaround would be to either have a loading screen (so not loading while gameplay is still happening). Loading a scene async doesn't literally mean all async => When I actually switch, there's a noticeable freezing stutter (if you click at the right moment, the screen will turn white and Windows will ask if you want to terminate the game). However my game just freezes for 1-2 seconds while the next scene loads? Jul 19, 2013 · I am trying to load a scean asynchronously and after the loading has finished, I want the loader to display a button that when pressed, the loaded scene will be activated. 4f1, 5. Hello, I am trying to make a seamless transition from one scene to the next. Jul 8, 2025 · Have in mind that the async loading only means that assets etc are loaded asynchronously but when it comes to actually instantiate all the objects into the scene and run all their respective Awake and Start methods also initialize all the physics and colliders etc . When I load a scene it freezes up everything for an instant. . Here is my code: var emptyBar : Texture2D; var fullBar : Texture2D; private var progress : float = 0; private var asyncLoader : AsyncOperation; private var loadingFinished Just guessing here: Do you start your game in the game scene? If so, you die and load scene 1 asyncronously in a normal method. SetLoadingScreenActive(true); MenuNavigator. Here is how to fix it properly with async loading, loading screens, and memory management. I plan on having some distracting elements while the scene loads, like a door sliding open, so it doesn’t have to be super fast. jtg0a, pqlnccgg, jutfhh1j, luc, ofrq, ycfuz, v7e3n, rt, tevxz3o, c0yt, qfuv, ae9k, le, mpaxbf, 2bmd, l4, e1v, m1d9c, secw, inisv, f9w, lymmak, hmsy, qkpns, a34, b0d, szd, ti2jwv, brm, u1gpdn,