decorate.txt

actor Fog 6969 {
  +NOBLOCKMAP
  +NOGRAVITY
  +NOINTERACTION
  -SOLID
  +CLIENTSIDEONLY
  Radius 1
  Height 1
  RenderStyle Translucent
  Alpha 0.5
  States {
    Spawn:
      TNT1 A 0 A_Jump(256, "FogA", "FogB", "FogC", "FogD", "FogE")
      Stop
    FogA:
      FOGL A -1
      Stop
    FogB:
      FOGL B -1
      Stop
    FogC:
      FOGL C -1
      Stop
    FogD:
      FOGL D -1
      Stop
    FogE:
      FOGL E -1
      Stop
  }
}