/// <summary>
        /// Removes Agent from tracked <see cref="m_CurrentAgentsInside"/>
        /// </summary>
        void OnAgentRemoved(DamageableBehaviour targetable)
        {
            targetable.removed -= OnAgentRemoved;
            AgentYfb attackingAgent = targetable as AgentYfb;

            RemoveTarget(attackingAgent);
        }
 /// <summary>
 /// Removes <paramref name="agent"/> from <see cref="m_CurrentAgentsInside"/> and stops pfx
 /// if there are no more <see cref="Agent"/>s
 /// </summary>
 /// <param name="agent">
 /// The agent to remove
 /// </param>
 void RemoveTarget(AgentYfb agent)
 {
     if (agent == null)
     {
         return;
     }
     m_CurrentAgentsInside.Remove(agent);
     //if (m_CurrentAgentsInside.Count == 0 && chargePfx != null)
     //{
     //	chargePfx.Stop();
     //}
 }