Dynamic glidespeed

ported from yogstation

code/modules/mob/dead/observer/observer.dm

@@ -322,11 +322,14 @@ This is the proc mobs get to turn into a ghost. Forked from ghostize due to comp
 		return
 	ghostize(0, penalize = TRUE)
 
-/mob/dead/observer/Move(NewLoc, direct)
+/mob/dead/observer/Move(NewLoc, direct, glide_size_override = 32)
 	if(updatedir)
 		setDir(direct)//only update dir if we actually need it, so overlays won't spin on base sprites that don't have directions of their own
 	var/oldloc = loc
 
+	if(glide_size_override)
+		set_glide_size(glide_size_override)
+
 	if(NewLoc)
 		forceMove(NewLoc)
 		update_parallax_contents()