/// <summary> 专注效果 (玩家, 攻击方, 攻击轨迹) </summary>
public virtual void Activate(ConcentrateTrail self, Player player, Player attacker, AttackTrail trail)
{
}
/// <summary> 攻击效果 (玩家, 目标, 打中目标的方向) </summary>
public virtual void Activate(AttackTrail self, Player player, Player enemy, float dir)
{
}