最快的实现在Unity3D中实现通过键盘操控视野的详细过程

[qq_36740818]

大神求助啊！因为需要快速的实现一个简单用键盘操作视点进行漫游的的功能，需要详细的过程啊！！！

[zq1564171310]

if (Input.GetKeyDown(KeyCode.UpArrow)){镜头前进代码}

同样的KeyCode.DownArrow，KeyCode.LeftArrow， KeyCode.RightArrow

[zq1564171310]

镜头移动代码

 GameObject _mainCamera;
    Vector3 Vec3;
    int DIRFlag;
    int Vect;

    // Use this for initialization
    void Start()
    {
        DIRFlag = -1;
        Vect = 1;
        Vec3 = new Vector3();
        _mainCamera = GameObject.FindWithTag("MainCamera");
    }

    // Update is called once per frame
    void Update()
    {
        Vec3 = _mainCamera.transform.position;

        if (Input.GetKeyDown(KeyCode.UpArrow))
        {
            Vect += 1;
        }
        if (Input.GetKeyDown(KeyCode.DownArrow))
        {
            if (Vect > 0)
            {
                Vect -= 1;
            }
        }

        //方向
        if (Input.GetKeyDown(KeyCode.W))
        {
            DIRFlag = 0;
        }

        if (Input.GetKeyDown(KeyCode.S))
        {
            DIRFlag = 1;
        }

        if (Input.GetKeyDown(KeyCode.D))
        {
            DIRFlag = 2;
        }

        if (Input.GetKeyDown(KeyCode.A))
        {
            DIRFlag = 3;
        }


        if (DIRFlag == 0)
        {
            Vec3 += new Vector3(Vect, 0, 0);
        }
        else if (DIRFlag == 1)
        {
            Vec3 -= new Vector3(Vect, 0, 0);
        }
        else if (DIRFlag == 2)
        {
            Vec3 += new Vector3(0, Vect, 0);
        }
        else if (DIRFlag == 3)
        {
            Vec3 -= new Vector3(0, Vect, 0);
        }

        _mainCamera.transform.position = Vec3;
    }