Unity lighting issues. Aug 24, 2025 · If you're experiencing lighting issues in Unity, here are some common fixes: Check Lighting Settings Adjust Light Sources Fix Shadow & Lightmap Issues Resolve Scene View Errors Optimize Lightmapping 4 days ago · Troubleshooting lights flickering or disappearing Fix issues causing lights to flicker or disappear, and causing objects to not cast shadows. There is no code that is manipulating the lighting, a single directional light is used. This video deals with the common problem of flickering or invisible lights in Unity. Unity Technical Artist for Quality and Lighting Kristijonas Jalnionis unpacks five of the most common lightmapping problems and their solutions. Lighting window statistics May 30, 2019 · I didn’t know what to call it so everything I searched came up with different issues. 4f1) Unity Engine Global-Illumination 1 1379 September 18, 2020 Lightmapping in WebGL much darker Unity Engine Platforms 3 2447 June 20, 2017 Can't get a good light bake Unity Engine Global-Illumination 1 1918 Oct 9, 2024 · Hey Folks! While implementing native sharing for mobile platforms (not the problem here), I had the idea to create a scene containing a “mockup” of the player’s progress. The lights that are rendered as pixel lights are determined on an object-by-object basis. 15f1, there is no lighting selected under Rendering/ Lighting/ Scene. (2) (see picts below) Aug 20, 2016 · Hiya, Im having issues lighting my scene properly. Jun 29, 2013 · I did a bunch of searches across the site and on other sites, but haven’t really found a solution. Realtime lightmaps have been generated. Most of the problems described have to do with simple cubes (mainly the walls) - I would expect a graphics engine to be able to handle this and to deliver ordinary lighting and shadows with this setup. Any suggestions? Aug 18, 2014 · Hey! I’m super new to unity, and I am having some problems with the lighting of my game. Feb 7, 2024 · Introduction I developed this guide in order to help developers get the most out of Baked Global Illumination (GI) in the Unity Editor. To optimize generated lightmap UVs, in Lightmap UVs Settings, set Pack Margin to Calculate. It might causing the problem, but I can’t find so many ways to solve this dark scene without of this. So this is NOT outside the engine. Some lights are just fine, but others affect meshes in weird ways. If I load the scene from another, the light is too dim. Im using a directional light but it only seens to be lighting the center of an object. After baking the lighting, the entire scene (all the static objects) looked great with the baked lighting, just this one area had some issues: I don’t know why exactly it’s on this area and not on any of the others. My pixel light count is set to 300 and I am currently way below the limit . The code for the whole process is pretty short, and looks something like this Oct 18, 2024 · How to reproduce: 1. It lights up the wall on the left, and the floor, but not the wall on the right. png Mar 25, 2006 · I have a few problems dealing with lighting in my scene. You can read the announcement blog post by clicking this link. Lighting window still says it’s generating lightmaps. I’ll check more into light bleeding though, thanks for the help! Topic Replies Views Activity Weird lighting issues Unity Engine Graphics , Global-Illumination , Question 1 416 Jul 31, 2024 · Hi, i have a lot of issues and questions about baking lights on windows. Click on the Generate Lighting button 5. Lightmaps are overlaid on top of scene geometry to create the effect of lighting. More info See in Glossary, such as hard edges or light bleeding. To generate lightmap UVs, refer to Generate lightmap UVs. Do you have any ideas on what would be my problem? edit- The sword is the problem on Lights1. Starting by, is it normal to have a baking light process that takes more than 24h for a 60x60 terrain with a couple hundred trees and not much else, 1 directionnal light as “baked” and 1 light point with a range of 25 ? Is it normal to have the previous step blocked at 5% : preparing bake ? Is it normal to when Unity Jan 27, 2025 · Introduction I developed this guide in order to help developers get the most out of Baked Global Illumination (GI) in the Unity Editor. Here are some of the lights problems I have. Half the map as super dark shadows, while the rest looks fine. Even the area exactly opposite to the one in the image above Apr 7, 2022 · URP , com_unity_render-pipelines_universal 1 3129 April 20, 2020 Light bake creating too dark and too light areas (Unity version 2020. … Dec 16, 2023 · 2D Light, perfomance issues Unity Engine URP , com_unity_render-pipelines_universal 1 686 November 15, 2020 Low performance using URP Light2D Unity Engine Global-Illumination , Performance , URP , com_unity_render-pipelines_universal 3 1054 May 11, 2021 I have a lot of lights but they drops framerate Questions & Answers legacy-topics 1 1859 May Lighting Direct and indirect lighting Precalculating surface lighting with lightmaps Baking lightmaps before runtime Troubleshooting baked lightmaps Troubleshooting lightmapping quality issues May 30, 2019 · I didn’t know what to call it so everything I searched came up with different issues. Added reflection probe. Used version is 2021. My approach here was using a camera with a RenderTexture in the mockup scene, so that the mockup isn’t actually rendered on-screen. First of all, I have a flashlight that my character holds. Want to learn more about lightmapping in Unity? Check out the Global Illumination Learning Resources thread. The first image displays how there are no shadows or specular highlights when the pixel light count set to zero. Sep 1, 2024 · Hello everyone, I tried baking some lighting for my game using the lighting settings and Unity’s URP shader. To remove darkness, I’m using multiple lights. Sep 7, 2016 · Why do the lights in my scene do this when they’re close enough? I’ve tried messing with light settings and the render mode, but those don’t fix the issue or cause more issues. 🛑 Getting a lighting error in Unity? 🛑 Seeing “Lighting has been disabled in at least one Scene View” or “Argument Exception: The provided camera mode GICo Sep 26, 2022 · Here, I unpack some of the most common lightmapping problems and their solutions, supported by images and links to pages in the Unity Manual. They are basicly the same thing, same textures, same layer, same bump, but it will not light up evenly. 1. Two images of the same scene of a room containing a 3 by 3 grid of spheres. Tried increasing light intensity, range etc. Topic Replies Views Activity Lightmapping issue Unity Engine 11 2525 July 16, 2012 Light-mapping/baking issue in Unity Pro Unity Engine 1 1095 Dec 29, 2024 · A video is helpful. The light coming out of the flashlight doesn’t project on the floor. See the page about Optimizing Graphics Performance for further information. Open the Lighting window (Window → Rendering → Lighting) 4. Observe the “Hold on” window appears at the Global Illumination Post Processing stage Expected result: Lightmap data is generated successfully and quickly, no “Hold on” window appears Actual result Mar 3, 2025 · There are no tasks so I assume it’s done. (1) My other major problem is that blob shadows don’t cast on the wall or floor. Open the “SampleScene“ 3. Dec 16, 2023 · 2D Light, perfomance issues Unity Engine URP , com_unity_render-pipelines_universal 1 686 November 15, 2020 Low performance using URP Light2D Unity Engine Global-Illumination , Performance , URP , com_unity_render-pipelines_universal 3 1054 May 11, 2021 I have a lot of lights but they drops framerate Questions & Answers legacy-topics 1 1859 May Lighting Direct and indirect lighting Precalculating surface lighting with lightmaps Baking lightmaps before runtime Troubleshooting baked lightmaps Troubleshooting lightmapping quality issues With the mode set to Auto (the default), Unity will classify the light automatically based on how much a given object is affected by the light. How to fix this Solve common issues with baked lightmaps A pre-rendered texture that contains the effects of light sources on static objects in the scene. but my scene is looking dark because every objects aren’t getting lights. Open the “Lightest” project 2. Does anyone know what causes this/How to fix it? Thanks Apr 19, 2021 · Can’t Unity handle multiple lights or I’m doing any mistake? I’m using URP. I’ll check more into light bleeding though, thanks for the help! Topic Replies Views Activity Weird lighting issues Unity Engine Graphics , Global-Illumination , Question 1 416. For the lighting issues, I did find a person who had a similar problem, but I just couldn’t see a solution in the mess. Table of Contents. Also send screenshots of all Graphics and URP settings Topic Replies Views Activity Lighting issues on model Unity Engine Graphics 3 1034 May 5, 2016 Apr 24, 2010 · Hi, for some reason, my flashlight doesnt light up certain objects, like so. To resolve lightmap UV problems, follow these steps. Apr 3, 2020 · Everything in that scene has been built inside Unity - with ProBuilder (which is in the meanwhile part of the engine). Lighting is still applied, but everything is darker than it is supposed to be. Here, I unpack some of the most common lightmapping problems and their solutions, supported by images and links to pages in the Unity Manual. odxfnu02zhrj74uvpklkvsxxox0lfckxrl7nlf3bjkw2j