Actual Behavior
In the image below, the decal appearance clips through a wall. When you look at a decal facing upwards from the side at >60 studs away, it clips through nearby parts.
Issue Area: Engine Issue Type: Display Impact: Moderate Frequency: Often Date First Experienced: 2021-09-30 00:09:00 (-05:00) Date Last Experienced: 2021-09-30 00:09:00 (-05:00) A private message is associated with this bug report
This is unfortunately a natural limitation of decals.
Decals are rendered separately from the part that they’re on top of. But, to make sure that they don’t z-fight with the part that they’re on top of, they’re rendered a tiny bit closer to the camera than the part… or if you’re looking at the decal from a super shallow angle like this, a large bit closer to the camera, enough to actually pop through the wall.
The effect is pretty subtle, so you should be able to mostly eliminate this either by making the wall thicker or not butting the decal up so close to the thin wall.
This has been a known compromise for a while. It would be good to re-assess this old issue to see if there are any new/unique methods to handle it. If we’re talking about immersion, that wall represents a foot thick wall already. Making house walls 2 feet thick to avoid seeing kitchen floor tiles from rendering through them is not a good solution today.