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Question by SimplyNew · Nov 02, 2020 at 10:04 AM · 2dlightingrenderinguniversal

URP 2D lights not working as expected

Hi,

I am facing a weird issue with 2D lights. Lights are not correctly applied. And another issue is: even if I dont apply light to a layer, all layers are still lit.

Please, see below screenshots. Its a sample scene with only 3 sprites each in different sorting layers in sequence (Background, Middleground, Default). Scene has only one Global Light. When I set target sorting layers to none, light gets applied to all layers. Only when I disable the light from inspector all sprites turn black. Ideally, none target sorting layers should also turn my scene black. Another issue is: when I set specific layer, it doesnt apply to that particular layer. This is just an example of Global Light. Point and Parametric light behaves the same way.

I have also put all sprites in different z position to be sure.

URP Version: 8.2.0

Unity Version: 2020.1.2f1

Material Used for all sprites: Universal Render Pipeline/2d/Sprite-Lit-Default alt text
alt text

Any help would be appreciated.

step4.jpg (155.9 kB)
step1.jpg (115.9 kB)
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avatar image sicienss · Nov 03, 2021 at 11:35 AM 0
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I also ran into this issue. As of 11/2/2021, none of the below answers solve the issue.

I asked about it on Game Dev Stack Exchange, as well as in Unity dev discord. No answer yet. For reference, my write up is at https://gamedev.stackexchange.com/questions/197676/lights-do-not-fully-respect-sortinglayers-in-universal-render-pipeline

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Answer by DovyBL · May 03 at 01:20 PM

Set the "Target Sorting Layers" to "All" on the light script on the light object, for the light to effect every single object.

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