Forcefield material parts with Surfaceguis put on top of each other don't display correctly

[bloccoPNG (blocco)]

I was remaking a map from a source mod, until i encountered this bug while trying and failing to make a tileable surfacegui floor.
It seems that this surfacegui renders… like this, on top of the floor.
This happens only and only with the forcefield material. In this example i used this trick with forcefield where if you set it to transparency -whatever until it’s solid, it has no reflectanced wich is what i want.

How to recreate:

1. Make a part with forcefield material and add a surfacegui on it. Put anything on the surface gui. Doesnt matter
2. Make a second part, any material, and add a surfacegui on it with something on it again it dosent matter.
3. Try to overlay in any way the parts, and the bug should happen.

If there was a material that had no reflectance whatsoever i wouldnt’ve had to write this bug report. Wich means…

repro file:
forcefieldbug.rbxl (40.7 KB)

[Focia19]

We’ve filled a ticket into our internal database for this issue, and we will update you when we have further information.

Thanks for flagging!

[neutrinostack]

If I understood correctly you are seeing the issues when overlapping transparent parts/surfacegui.
In such case indeed there is a known limitation where the Engine can’t easily determine in which order to render the transparent object.
Our recommendation is not to overlap the objects that have transparency.