How to deal with Moveable meshes in Static Lighting

Development Rendering
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1

Hi, I have an issue with lighting a movable door i my scene properly.

In the first image, I reduced the Volumetric Lightmass Detail Cell Size to 20 to get it looking fairly okay,
but once i slide the door to the left In front of the wall i get this black patch. Basically when the door gets close to any other object it becomes dark. I dont know what could be causing this or how to fix it.

Im using a Cubemap to light my scene and the skylight is set to static.

IMAGE 1: https://drive.google.com/open?id=1Qi8YUYweYiuz7zYdDKAEkmm5JFKz9W5z

IMAGE 2 https://drive.google.com/open?id=162enRI-KbDqdmoO5lo5ux2GmfLWZt06y

2

I’m assuming you’ve set the door to moveable? It shouldn’t get any artifacts from static lighting then…

3

Bizzare, mind you I do get strange lighting effects, even with everything on dynamic…

4

Yes I have , the door is set to moveable

5

Hmm, would try that and let you know if it works. Thanks

6

Have you tried changing it to two-sided, or the material to two-sided? Could it be occlusion settings?

7

Hi!

Is the door just a plane or it has thickness?

8

Thank you very much, changing the material to 2-sided solved it.

9

It has thickness

10

Working now! Had to change the material to two-sided. Thanks preston42382

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294961-3.jpg3252×1862 374 KB

11

Hmmm, makes absolutely no sense… :slight_smile:

12

I think it is due to light leaking on one or both sides of the wall and door (so a double amount of shading, though one of either would be enough to shadow it too and cause the dark area to display). I’m not sure though. That was a bizarre issue.