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Fixed in 5.5.0



Found in


Issue ID




[Occlusion Culling] Occlusion visualization results change after restarting the editor



Reproduction steps:
1. Open attached project
2. Open scene "OcclusionTest"
3. Bake Occlusion data
4. Use Occlusion-Visualization panel to test the camera inside the room in the ship. Occlusion works as expected (exterior ship is not rendered unless looking out a doorway of the room)
5. Save scene and project
6. Exit and restart Unity
7. Without changing anything, select the same camera as before and test with Occlusion Visualization tool. Observe that occlusion culling is very different (in test case the exterior ship is now always rendered if it falls within the frustum. No occlusion culling at all)

Comments (7)

  1. ss0cratess

    Oct 09, 2023 10:34

    2020.3.48f1 anyone?

  2. sinfawkes

    May 03, 2017 07:37

    5.4.2 still occurs

  3. svanvs

    Jun 02, 2016 17:29

    Same as issue 739220

  4. chrismarch

    Apr 01, 2016 22:35

    occurs in 5.3.4f1

  5. Haze-Games

    Dec 04, 2015 11:56

    Tested in 5.2.3f1.
    The issue is not just on Visualization; the occlusion data works perfectly just after the bake. If you reload the scene or work on another scene and come back, the occlusion data is broken.

  6. DarthDisembowel

    Sep 10, 2015 14:19

    For a quicker test method, after baking occlusion and saving the scene, you can also simply double-click on the scene in the Project explorer to refresh the scene, which will immediately break the occlusion culling.

  7. DarthDisembowel

    Sep 09, 2015 08:23

    Tested in 5.2.0f3, the problem still occurs.

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