Mesh bugs, please help

[Misha_Fan122 (TheDevRo)]

I making a mesh plane in blender for my roblox game, and there are bugs:

1. When i use double sided, i see the right door is darker than left door(i used mirror, not mirror modifier)
2. Mesh is broken

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Please help!

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Roblox studio photos:

Blender model:

Please help, how to fix it…

[baackup_1st (Backup)]

The door idek I cant help you here maybe a transparency problem.

The brokenness is Roblox automatically decimating your mesh to run on toasters the solution is to upload the mesh in sub 10k/21k segments NOT as a batch upload but as individual uploads.

[Misha_Fan122 (TheDevRo)]

how to upload mesh with min. count segments?

[baackup_1st (Backup)]

You make multiple files with each segment in a different file.

Just make sure each file is under tri limit 21k/10k.

[Misha_Fan122 (TheDevRo)]

Solidify and merge can help? --------

[baackup_1st (Backup)]

Basically get a cube and duplicate your mesh scale the cube to fit a segment of your mesh now with the mesh Boolean it with cube using difference this creates a segment of your mesh save it to a file and upload if the mesh is under tri limit it will look fine otherwise do it again with a smaller segment repeat until the entire mesh is uploaded as segments and piece them together.

[Misha_Fan122 (TheDevRo)]

Sorry about that, can you make a video, i dont understand english, and translator is not correct?

[baackup_1st (Backup)]

Ok ill try maybe images of how to do it?

[Misha_Fan122 (TheDevRo)]

okay, images

[baackup_1st (Backup)]

Here goes:

That’s it!
EDIT:Gotta eat I might be a while.

[Misha_Fan122 (TheDevRo)]

that is, the cube must cover the entire mesh?

[baackup_1st (Backup)]

The cube covers part of the mesh in the example I made it cover about half.

[Misha_Fan122 (TheDevRo)]

it works, i will test with modifer array, and i will say a result.

[Misha_Fan122 (TheDevRo)]

array is glitched i think

[Misha_Fan122 (TheDevRo)]

i fix it later at next day(my time is 12:38 am)

[baackup_1st (Backup)]

Segmenting + array = mesh over triangle limit.
Lots of mesh upload individually = under triangle limit.

The array modifier defeats the point of segmenting the mesh because the final file will contain the same amount of triangles as without segmenting the mesh.

Segmenting was to upload each part individually not as a single file.

Array isn’t broken your file just ends up with more triangles if you use array pushing the mesh above Roblox’s triangle limit causing a mandatory decimate modifier to be applied to your mesh without your knowledge.

EDIT:
In studio duplicate your mesh segment and place to end to end repeat until you are satisfied with the length then add the front and back ends use WeldConstraints to connect the segments together so the model doesn’t fall apart.

[Misha_Fan122 (TheDevRo)]

Thank you, it works, thank you very much!!