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Overwhelming Light

I was making my game and for a while I was getting an error showing up saying one of my light wasn't being built. I wasn't overly concerned but suddenly, after putting another object on my world, the light started building and it covers everything. I don't know where this light is coming from. I've deleted every object in my world and it still comes provided I have a skybox to let me see. I think it might have something to do with the player since it doesn't appear when I use simulate and doesn't appear in my other level which doesn't have my player and since I can' delete everything but the player it seems like that's the only culprit left. This error has kind of halted any testing I could possibly do since actually finding objects in the game is really difficult and the light even overshadows my UI. It starts of bright at first and gets even brighter over time. Here's what it's looking like after one or two seconds. alt text And here's what it looks like after about six or seven seconds. alt text

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asked Jan 28 '15 at 07:09 PM in Rendering

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avatar image AndrewHurley Jan 29 '15 at 03:15 PM

Hello CBFlood,

A few things you could try, and I know you mentioned you searched your whole scene, but go into your 'Scene Outliner' and find every light. Left-click on each light source within the outliner and then press the 'F' key to focus your active viewport on the light itself. If you are going through and you find an actor that exists within your outliner but is not visible within your scene/level, delete it.

The next suggestion I have since you mentioned it might be coming from the player character, would be to open your 'MyCharacter' Blueprint. Within the 'Components' tab, check to make sure you did not accidentally either add a light, or change your 'Post Process' settings. This issue kind of looks like the 'Auto-Exposure' values could be askew.

If you have tried these suggestions, and are still unable to get rid of this brightness, let me know and we can troubleshoot further.


Andrew Hurley

avatar image CBFlood Jan 29 '15 at 03:41 PM

I went to my scene manager and deleted all my objects regardless whether they were lights or not. I've also since tried removing my character entirely and replacing it with something different using the world settings Game Mode. Now I'm thinking it might have something to do with my skybox since when I remove that it seems to take the light away, I just didn't notice since the entire background became white but there blue sky above that remains.

avatar image AndrewHurley Jan 29 '15 at 04:33 PM

Go into the Blueprint of you Sky Sphere and see if there are settings within there that might be altered.

You seem to be troubleshooting well, so let me know what you discover.

avatar image CBFlood Jan 29 '15 at 04:41 PM

No. There is literally nothing I can see that is causing this. None of the default values have been edited (aside from the scale, which when reverted changes nothing) and there's only a few sections to begin with. It doesn't look like any of the default values are causing this. Is there even a way to play the game with pure ambient light? It would at least help me work on other aspects of the game in the meantime.

EDIT: And when I go to my other level (that I use for the menu) and attach the same skybox in there it works fine so I have no idea what's wrong. It has to be something with the level settings itself.

avatar image AndrewHurley Jan 29 '15 at 05:31 PM

Try going into the the 'World Settings' and see if you have changed any of the default values there as well. This is quite the unique bug you are seeing, but it is hard to reproduce your issue without your project.

World Settings

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Andrew Hurley

worldsettings.png (31.8 kB)
avatar image CBFlood Jan 29 '15 at 06:18 PM

I've tried matching my stats exactly to yours. My environmental colour was initially blue and the intensity was five but I changed them to match yours. Everything else was the same except for the fact that I don't seem to have the last three options, Volume Light Sample Placement, Compress Lightmaps or Level Lighting Quality.

avatar image AndrewHurley Jan 29 '15 at 06:34 PM

No change after rebuilding your lighting?

avatar image CBFlood Jan 29 '15 at 06:48 PM

Nope. No change.

avatar image AndrewHurley Jan 29 '15 at 06:53 PM

Ok. My next suggestion would be to delete your BP_SkySphere from that project and migrate in a new clean one.

avatar image CBFlood Jan 29 '15 at 06:56 PM

I've already tried deleting the BP_SkySphere and it does nothing unless I delete my custom skybox which then renders everything black. However since discovering it's a facet of my level and not my skybox, I have been able to make a second level and everything works fine there. I'd like to know what on earth is going but at this point I'm resigned to just abandoning the level (or incorporating it as some special level, feature not a bug!) and moving on.

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3 answers: sort voted first

To be honest. I am not sure what is happening, but my last suggestion would be the route you are taking unfortunately. Creating a new level and migrating your scene over to that level.

I am going to close this post as resolved for tracking purposes, but if this happens again please just comment underneath this response.


Andrew Hurley

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answered Jan 29 '15 at 08:20 PM

avatar image CBFlood Jan 30 '15 at 11:19 AM

Cool, thanks for the help.

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I could be the emissive settings through the material editor, check the amount the emissive is on.

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answered Jun 16 '16 at 03:56 AM

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avatar image LeasterBeaster Jun 16 '16 at 03:57 AM

it* sorry.

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I am having the same issue, but I have found out that it is the skybox as if I remove it light levels return to normal.

I have even created, and recreated all my levels and even project to try and see if it was something somewhere.

I have tuned off everything that is related to shadows, but I am weak when it comes to lighting and stumped good.

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answered Jun 16 '16 at 02:53 AM

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