using UnityEngine;
using System.Collections;

public class RotationScr : MonoBehaviour
{
    public Camera cam;
    public Transform Sphere;
    public float speed = 0.5f;
    void Update()
    {

        /* коорд мыши в глобал системе*/
        Vector3 vect= cam.ScreenToWorldPoint(new Vector3(Input.mousePosition.x, Input.mousePosition.y, 10));
        vect=-(vect-Sphere.transform.position);// вектор направления  сфера->мышь
        if(Vector3.Dot(Vector3.right,vect.normalized)>0) //смотрим куда крутить: направо или налево
        {
            transform.RotateAround(Sphere.transform.position, Vector3.forward, Vector3.Angle(Sphere.transform.position, vect) * Time.deltaTime * speed);
        }
        else transform.RotateAround(Sphere.transform.position, Vector3.forward, -Vector3.Angle(Sphere.transform.position,[/spoiler] vect) * Time.deltaTime * speed)[/spoiler];
    }

}