[MIRROR] Mention in the rendering docs that the byond displacement filter is not actually a displacement filter [MDB IGNORE] (#9088)

* Displacement maps in byond are not displacement maps (#62403)

Totally forgot to add this

* Mention in the rendering docs that the byond displacement filter is not actually a displacement filter

Co-authored-by: TiviPlus <57223640+TiviPlus@users.noreply.github.com>
This commit is contained in:
SkyratBot
2021-10-27 18:54:14 -04:00
committed by GitHub
co-authored by TiviPlus
parent a8270ae919
commit 8213460bdf
@@ -29,6 +29,7 @@ The following is an incomplete list of pitfalls that come from byond snowflake t
8. Byond uses DirectX 9 (Lummox said he wants to update to DirectX 11)
9. Particles are just fancy overlays and are not independent of their owner
10. Maptick items inside mob.contents are cheaper compared to most other movables
11. Displacement filter: The byond "displacement filter" does not, as the name would make you expect, use displacement maps, but instead uses normal maps.
## The rendering solution
One of the main issues with making pretty effects is how objects can only render to one plane, and how filters can only be applied to single objects. Quite simply it means we cant apply effects to multiple planes at once, and an effect to one plane only by treating it as a single unit: