using UnityEngine;
using UnityEngine.EventSystems;
using System.Collections;
public class forCamera : MonoBehaviour
/*{
    public enum RotationAxes
    {
        MouseXAndY = 0,
        MouseX = 1,
        MouseY = 2
    }
    public RotationAxes axes = RotationAxes.MouseXAndY;
    public float sensitivityHor = 1.0f;
    public float sensitivityVert = 1.0f;
    public float minimumVert = -45.0f;
    public float maximumVert = 45.0f;
    private float _rotationX = 0;
    void Start()
    {
        Cursor.visible = true;
        Rigidbody body = GetComponent<Rigidbody>();
        if (body != null)
            body.freezeRotation = true;
    }
    void Update()
    {
        if (axes == RotationAxes.MouseX)
        {
            transform.Rotate(0, Input.GetAxis("Mouse X") * sensitivityHor, 0);
        }
        else if (axes == RotationAxes.MouseY)
        {
            _rotationX -= Input.GetAxis("Mouse Y") * sensitivityVert;
            _rotationX = Mathf.Clamp(_rotationX, minimumVert, maximumVert);
            float rotationY = transform.localEulerAngles.y;
            transform.localEulerAngles = new Vector3(_rotationX, rotationY, 0);
        }
        else
        {
            _rotationX -= Input.GetAxis("Mouse Y") * sensitivityVert;
            _rotationX = Mathf.Clamp(_rotationX, minimumVert, maximumVert);
            float delta = Input.GetAxis("Mouse X") * sensitivityHor;
            float rotationY = transform.localEulerAngles.y + delta;
            transform.localEulerAngles = new Vector3(_rotationX, rotationY, 0);
        }
    }
}*/




{ 
    public float sensitivity = 1.5f;
    public float limitVert = 145f;
    private Vector3 mouseOrigin;
    private bool isRotating;
    Manager man;
    Camera fovComp;
    //** Try Zoom
    public int zoom = 20;
    int normal = 60;
    float smooth = 3;

    private void Start()
    {
        man = GameObject.Find("Manager").GetComponent<Manager>();
        fovComp = Camera.main.GetComponent<Camera>();
    }

    protected float ClampAngle(float angle, float min, float max)
    {
        angle = NormalizeAngle(angle);
        if (angle > 180)
        {
            angle -= 360;
        }
        else 
            if (angle < -180)
            {
                angle += 360;
            }

        min = NormalizeAngle(min);
        if (min > 180)
        {
            min -= 360;
        }
        else 
            if (min < -180)
            {
                min += 360;
            }

        max = NormalizeAngle(max);
        if (max > 180)
        {
            max -= 360;
        }
        else 
            if (max < -180)
            {
                max += 360;
            }

        return Mathf.Clamp(angle, min, max);
    }

    protected float NormalizeAngle(float angle)
    {
        return (angle+360) % 360;
    }


    void LateUpdate()
    {
        if (man.mode == "view")
            return;
        if (Input.GetMouseButtonDown(1))
        {

            mouseOrigin = Input.mousePosition;
            isRotating = true;
        }

        if (!Input.GetMouseButton(1))
            isRotating = false;

        if (isRotating)
        {
            Camera.main.transform.localEulerAngles = new Vector3(ClampAngle(Camera.main.transform.localEulerAngles.x, -65, 65), ClampAngle(Camera.main.transform.localEulerAngles.y, -limitVert, limitVert), 0);
            Vector3 pos = Camera.main.ScreenToViewportPoint(Input.mousePosition - mouseOrigin);
            transform.RotateAround(transform.position, transform.right, -pos.y * sensitivity);
            transform.RotateAround(transform.position, Vector3.up, pos.x * sensitivity); //
        }
        //****  Try Zoom
        //if (EventSystem.current.IsPointerOverGameObject() && EventSystem.current.currentSelectedGameObject != null && EventSystem.current.currentSelectedGameObject.layer == LayerMask.NameToLayer("UI")) //.CompareTag("Ui")
        if(man.isMouseOverUI)
            return;  //Если указатель над UI, тогда отключаем scroll

        if (Input.GetAxis("Mouse ScrollWheel") > 0) //&& man.mode != "scedit"
        {
            //float curFOV = Camera.main.GetComponent<Camera>().fieldOfView;
            float curFOV = fovComp.fieldOfView;
            if (curFOV > zoom) curFOV -= smooth;
            if (curFOV < zoom) curFOV = zoom;
            //Camera.main.GetComponent<Camera>().fieldOfView = curFOV;
            fovComp.fieldOfView = curFOV;            
        }
        else if (Input.GetAxis("Mouse ScrollWheel") < 0) //&& man.mode != "scedit"
        {
            //float curFOV = Camera.main.GetComponent<Camera>().fieldOfView;
            float curFOV = fovComp.fieldOfView;
            if (curFOV < normal) curFOV += smooth;
            if (curFOV > normal) curFOV = normal;
            //Camera.main.GetComponent<Camera>().fieldOfView = curFOV;
            fovComp.fieldOfView = curFOV;
        }

    }
}