A projectile is any thing that behaves like a damaging object that is fired or hurled, such as monster fireballs and missiles, plasma or BFG bursts, and attacking lost souls. They require the following mobj (or thing) flags:

• MF_NOGRAVITY (or "No gravity" in DeHackEd; 512 bits)
• MF_DROPOFF (or "Travels over cliffs" in DeHackEd; 1024 bits)
• MF_MISSILE (or "Projectile" in DeHackEd; 65536 bits)

And usually also (the lost soul does not use it):

• MF_NOBLOCKMAP (or "Can't be hit" in DeHackEd; 16 bits)

See also Edit

• Hitscan