Version: 7.3.0
Optifine: removed and bug persist

similar to #304

When looking through a custom door with coloured glass, other doors are usually invisible. The placement order may effect this, try different angles to reproduce. Vanilla glass does not have the problem.

likely a bug with the semi-transparency of coloured glass. Used to exist in hi-tech doors when I was playing on 1.10.2, but not anymore. So it should be solvable right?