public void DelOneBody()
        {
            if (allBody.Count == 0)
            {
                return;
            }

            PlayerSnackBody psb = allBody.Last();

            psb.target  = null;
            psb.Visible = false;
            psb.isOn    = false;
            allBody.Remove(psb);
            if (allBody.Count != 0)
            {
                lastBody = allBody.Last();
            }
            else
            {
                lastBody = null;
            }
        }
        public void AddOneBody(ConsoleColor color = ConsoleColor.Yellow)
        {
            PlayerSnackBody psb = new PlayerSnackBody();

            NowScene.Ins.AddObjectToNowScene(psb);
            psb.Init();

            if (lastBody == null)
            {
                psb.target     = this;
                psb.followHead = true;
                psb.player     = this;
            }
            else
            {
                psb.target = lastBody;
                psb.player = this;
            }

            allBody.Add(psb);

            for (int i = 0; i < allBody.Count; i++)
            {
                if (i % 2 == 0)
                {
                    allBody[i].FColor = ConsoleColor.White;
                }
                else
                {
                    allBody[i].FColor = color;
                }

                allBody[i].Init();
            }

            lastBody = psb;
        }