/// <summary> 获得需要控制物体的Transform组件 </summary>
    [Header("获得需要限制运动范围的物体")]
    [SerializeField]
    private Transform transform1;

    /// <summary> X轴范围 </summary>
    [Header("限制物体的X轴范围")]
    [SerializeField]
    private float limitX;

    /// <summary> Z轴范围 </summary>
    [Header("限制物体的Z轴范围")]
    [SerializeField]
    private float limitZ;

    // Update is called once per frame
    private void Update()
    {
        if (limitX < Mathf.Abs(transform1.position.x) || limitZ < Mathf.Abs(transform1.position.z))
        {
            Vector3 temp = transform1.position;
            if (temp.z > limitZ) { temp.z = limitZ; }
            if (temp.z < -limitZ) { temp.z = -limitZ; }
            if (temp.x > limitX) { temp.x = limitX; }
            if (temp.x < -limitX) { temp.x = -limitX; }
            transform1.position = temp;
        }
    }

设置 x 和 y 的值来限制物体的运动