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MSFS20 Enviromental Occlusion not working

G

grissven

Messages
24
Country
spain
Hello, I need a little help, I am trying to make a hangar with enviromental occluder so rain won't come in but I haven't been able to make it work, my work flow is as follows, I made a simple hangar for test in sketchup then I added a box under the roof of the hangar, then I applied a texture to the roof and hangar walls and to the occlurer box just a green color from sketchup, converted it to a dae file then inported to MCX, then set the green color material type as enviromental occuder and then compiled it, placed it in MSFS 2020 and it doesn't work, the rain comes in, what am I doing wrong? does enviromental occuder material has to have an albedo texture? because when I define the color as enviromental occuder material all the options in the material properties tab dessapear in model converter x

Screenshot 2025-07-18 081731.png
 
Anybody feel free to correct me if I'm wrong. I think the EO material only applies to it's own model. So anything inside the hangar still shows rain, as it's a per-model material. An aircraft inside the hangar will still show rain, as it does not have a EO material applied to it's exterior. A cabinet inside the will also show rain, unless it has it's own EO material. The problem with the EO material system is that models are unaware that they are inside another model's EO shape.

Also, the EO shape should be less than the exterior of the walls and roof, but greater than the inside walls and roof. Then you get rain on the outside, but not on the inside. If the hangar includes tools, cabinets, chairs... they all need their own EO shapes and material.
 
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