function Update(self)
    --Heal every interval.
    if healTimer:IsPastSimMS(healInterval) then
      --Cycle through all actors.
      for actor in MovableMan.Actors do
         --If the actor is on the right team, has less than 100 health and is not the healer, continue with code.
         if actor.Team == self.Team and actor.Health < 100 then
         --Trigonometry to find how far the actor is.
         local avgx = actor.Pos.X - self.Pos.X;
         local avgy = actor.Pos.Y - self.Pos.Y;
         local dist = math.sqrt(avgx ^ 2 + avgy ^ 2);
         if dist < 100 then
            --If the actor is fairly close, heal them!
            actor.Health = actor.Health + 1;
               self.Health = self.Health + 1;
      --Every 8 health healed, put a little icon above the actor's head to show that it is indeed healing.
            if self.healnum == 8 then
               --Create the particle.
               local part = CreateMOSParticle("Particle Heal Effect");
               --Set the particle's position to just over the actor's head.
               part.Pos = actor.AboveHUDPos + Vector(0,4);
            --Add the particle to the world.
               MovableMan:AddParticle(part);
            end
         end
         end
      end
      --Reset the healing timer.
      healTimer:Reset();
      --Increment the heal counter.
      self.healnum = self.healnum + 1;
      --Reset it if it's gone too far.
      if self.healnum > 8 then
         self.healnum = 0;
      end
    end
end