Same light sources work different

Problem 1:
I use surface light to illuminate a room in my game. For that, I created packages and just copied light from one side to another.


As you can see on the screenshot, it’s uneven. But if I delete these sources, then the lighting is even.

These are my settings:



I checked walls, and they all have “Cast Shadows”, tried spot light, but it didn’t fix the issue.
I don’t understand what causes the problem and how to fix it. Would appreciate any help.

Problem 2:
Also, the lighting in studio and in-game works completely differently. I found some topics about Unified Light, but it’s not enabled in my beta features.

Don’t worried about Unified lighting concerns as Its already implemented onto Roblox Studio and Games itself.

But could this happen due to loading? Often times when Roblox Loads lighting, it can take a brief moment for the game to load lighting which can sometimes cause the First screenshot to look like that and soon correct itself.

I could also see that if there are multiple light sources aiming in similar areas with high enough brightness, that can also cause some issues within that 1st screenshot incident. Perhaps play around with lighting settings (with the Light Objects) and Graphics Quality.

Hope it helps

Yeah, I noticed before that it takes time to load the lighting, but it’s not the case. I waited for several minutes.
The quality level is set to 21 in the editor.
Changing brightness doesn’t fix the issue.

I figured it out.
During testing, I noticed that my character walks on invincible blocks. I painted all transparent objects in the command bar, and apparently, parts I used for light sources were not anchored. So they just fell on the ground lol.

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