Ceiling_LowerByValue

From ZDoom Wiki

40:Ceiling_LowerByValue (tag, speed, height)

tag: Tag of affected sector 
speed: How quickly the ceiling moves 
height: Amount to lower ceiling by 

Usage

Lowers a tagged sector's ceiling by height units. If tag is 0, then the sector on the line's back side is used.

Examples

As the ceiling specials are fairly trivial, examples of every one can be found in the example wad, Squash. This wad runs on Map01 of Doom2.