Lighting Shading(Future/Voxel/Shadowmap) is bugging on the Client Side

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#1

Hi all,

I’m posting here because I haven’t been able to find any explanation online for the lighting issue I’m encountering. I’m hoping someone might have insight into why the shading is behaving this way.

:hammer_and_wrench: What’s the issue?
I create a flashlight on player spawn and attach it to the character. The shading looks completely fine when viewed from the server side, but on the client side, it starts bugging out — the shadows appear to “chop” or flicker.

:mag: Visuals:
Server-Side:

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image1096×617 95.2 KB

Client-Side:

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image1082×623 92.3 KB

image

:test_tube: What I’ve tried so far:

  • Creating the flashlight locally instead of from the server, and the same bug occurs.
  • Ensured the Spotlight has shadows enabled.
  • Verified the Spotlight isn’t obstructed by any parts.

:information_source: Additional Info:

  • The bug only happens during runtime — not in Studio edit mode.
  • It occurs regardless of the lighting technology used (Future, Voxel, or ShadowMap).
  • It also affects other parts of my place, shadows flash between dark and bright repeatedly even when I’m not using the flashlight.
  • The parts affected are simple base parts, not meshes.

This has never happened to me before, and I’m honestly stumped. If anyone has experienced anything similar or knows what might be causing this, I’d really appreciate the help!

Thanks in advance :pray:

1 Like
#2

Sorry for the late response here, but does this issue happen in Roblox Player app ? Publish you’re game and check if the issue persist. If it does then something is meddling with you’re light.

#3

It does also happen in the roblox player. I created a new seperate place and tried many different methods of lighting and they all produced the same result. I think it has to do with how roblox handles shading with just 1 available light.