// Update is called once per frame
    void Update()
    {
        if (col.GetTalkFlag())
        {
            animator.SetBool("walk", false);
            mode = PlayerMode.Talk;


            // 話す用のカメラの設定
            Transform pos = null;
            // 子オブジェクトを全て取得する
            foreach (Transform childTransform in col.GetTarget().transform.parent.transform)
            {
                if (childTransform.name == "TalkTargetPos")
                {
                    cameraControll.ChangeTalkMode(childTransform, cameraPos.transform);
                    break;
                }
            }

            // お互いを向かい合わせる
            Transform target = col.GetTarget().transform.parent;


            Vector3 vec = target.position - this.transform.position;
            vec.Normalize();

            Quaternion playerInv = Quaternion.Inverse(this.transform.rotation);

            Vector3 localVec = playerInv * vec;

            localVec = new Vector3(localVec.x, 0.0f, localVec.z);
            localVec.Normalize();

            float   cosine = Vector3.Dot(Vector3.forward, localVec);
            Vector3 axis   = this.transform.rotation * Vector3.Cross(Vector3.forward, localVec);
            if (this.transform.position.y < 0)
            {
                axis = -axis;
            }
            Quaternion q = this.transform.rotation * Quaternion.AngleAxis(Mathf.Rad2Deg * Mathf.Acos(cosine), axis);

            this.transform.rotation = Quaternion.Lerp(this.transform.rotation, q, 0.3f);


            target.rotation = this.transform.rotation * Quaternion.AngleAxis(180.0f, Vector3.up);
        }
        else if (col.GetClear() && !col.GetTalkFlag())
        {
            mode = PlayerMode.Clear;
        }
        else
        {
            mode = PlayerMode.Normal;
        }
        switch (mode)
        {
        case PlayerMode.Normal:
            NormalModeUpdate();
            break;

        case PlayerMode.Talk:
            break;

        case PlayerMode.Clear:
            break;
        }
    }