Bug.GameObjects.Fighter.OnCollision C# (CSharp) Méthode

        public override void OnCollision(GameObject other, Direction dir)
        {
            if (other is HitBox && invulnTime <= 0)
            {
                HitBox h = (HitBox)other;
                if (h.parent != this)
                {
                    Audio.GetInstance().Play(h.GetNoise());
                    this.Health -= h.GetDamage();
                    invulnTime = 700;
                    recoilAnim.Reset();
                    gettingPunched = true;
                }
            }
            if (other is Fighter)
            {
                switch(dir)
                {
                    case Direction.N:
                        Vel = new Vector2(Vel.X, Math.Max(Vel.Y,0));
                        // ResetPosY();
                        break;
                    case Direction.E:
                        Vel = new Vector2(Math.Max(Vel.X, 0), Vel.Y);
                        //ResetPosX();
                        break;
                    case Direction.S:
                        Vel = new Vector2(Vel.X, Math.Min(Vel.Y, 0));
                        // ResetPosY();
                        break;
                    case Direction.W:
                        Vel = new Vector2(Math.Min(Vel.X, 0), Vel.Y);
                        //ResetPosX();
                        break;
                }
            }
        }