Move and AnimationChange

gistfile1.cs

 private CharacterController characterController;

    bool IsJumpable
    {
        get
        {
            if (!characterController.isGrounded)
            {
                return false;
            }
            return (currentBaseState.nameHash == locoState || currentBaseState.nameHash == idleState) && !anim.IsInTransition(0); 
        }
    }

    void Start()
    {
        characterController = GetComponent <CharacterController>();
    }

    void Update()
    {
        //入力
        var inputVector = new Vector3(Input.GetAxis("Horizontal"), 0, Input.GetAxis("Vertical"));
        var isJumpButtonPushed = Input.GetButtonDown("Jump");

        //移動処理
        Move(inputVector, isJumpButtonPushed);

        //アニメーション
        AnimationChange(isJumpButtonPushed);
    }

    /// <summary>
    /// 移動処理
    /// </summary>
    /// <param name="moveDirection">移動方向</param>
    /// <param name="isJump">ジャンプするか</param></param>
    void Move(Vector3 moveDirection, bool isJump)
    {
        //現在の落下速度
        var currentYSpeed = characterController.velocity.y;
        //現在の落下速度に重力を加算したもの
        var gravityAddYSpeed = currentYSpeed + Physics.gravity.y * Time.deltaTime;
        //ジャンプ条件を満たしたらジャンプ速度追加
        var jumpSpeed = (isJump && IsJumpable) ? jumpPower : 0;

        //最終的な移動速度
        var moveVelocity = new Vector3(moveDirection.x * forwardSpeed,
                     gravityAddYSpeed + jumpSpeed,
                     moveDirection.z * forwardSpeed);
        //移動
        characterController.Move(moveVelocity * Time.deltaTime);
    }

    /// <summary>
    /// アニメーション管理
    /// </summary>
    /// <param name="isJump">If set to <c>true</c> is jump.</param>
    void AnimationChange(bool isJump)
    {
        //-ジャンプアニメーションの再生
        anim.SetBool("Jump", isJump && IsJumpable);

        //-歩きアニメーションの速度変更
        //現在の移動速度
        var currentVelocity = characterController.velocity;
        //水平移動速度
        var horizontalVelocity = new Vector3(currentVelocity.x, 0, currentVelocity.z);
        //移動速度
        var horizontalSpeed = horizontalVelocity.magnitude;
        //アニメーション変更
        anim.SetFloat("Speed", horizontalSpeed);

        //-向きの変更
        var horizontalDirection = horizontalVelocity.normalized;
        var lookAtQuaternion = Quaternion.LookRotation(horizontalDirection);
        transform.rotation = Quaternion.Lerp(transform.rotation, lookAtQuaternion, Time.deltaTime * 10.0f);
    }