A_Fire

From ZDoom Wiki

A_Fire

(no parameters)

Places the calling actor directly in front of its target. This only works for missiles with the SEEKERMISSILE flag.

Examples

The Arch-Vile from Doom uses this function in its fire attack's Decorate code to keep the fire placed on its target:

actor ArchvileFire
{
  Game Doom
  SpawnID 98
  RenderStyle Add
  Alpha 1
  +NOBLOCKMAP
  +NOGRAVITY
  States
  {
  Spawn:
    FIRE A 2 bright A_StartFire
    FIRE BAB 2 bright A_Fire
    FIRE C 2 bright A_FireCrackle
    FIRE BCBCDCDCDEDED 2 bright A_Fire
    FIRE E 2 bright A_FireCrackle
    FIRE FEFEFGHGHGH 2 bright A_Fire
    Stop
  }
}