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using UnityEngine;public class RoteFollowMouse : MonoBehaviour{    public Vector2 range = new Vector2(5f, 3f);    Transform mTrans;    Quaternion mStart;    Vector2 mRot = Vector2.zero;    void Start ()    {        mTrans = transform;        mStart = mTrans.localRotation;    }    void Update ()    {        Vector3 pos = Input.mousePosition;        float halfWidth = Screen.width * 0.5f;        float halfHeight = Screen.height * 0.5f;        float x = Mathf.Clamp((pos.x - halfWidth) / halfWidth, -1f, 1f);        float y = Mathf.Clamp((pos.y - halfHeight) / halfHeight, -1f, 1f);        mRot = Vector2.Lerp(mRot, new Vector2(x, y), Time.deltaTime * 5f);        mTrans.localRotation = mStart * Quaternion.Euler(-mRot.y * range.y, mRot.x * range.x, 0f);    }}

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