Unity Finger-touch direction (one-handed)

Recently wrote a parkour game, summed up under the knowledge Point: O (∩_∩) o~

usingUnityengine;usingSystem.Collections; Public classdemo:monobehaviour{ PublicVector3 Lastmonsedown; /// <summary>    ///judging the direction of finger touch/// </summary>    /// <returns></returns>Touchdir Gettouchdir () {//record the coordinate point of the first finger click        if(Input.getmousebuttondown (0) ) {Lastmonsedown=input.mouseposition; }        //uicamera.hoveredobject prevent Ngui click through problems        if(Input.getmousebuttonup (0) && Uicamera.hoveredobject = =NULL)        {            //end coordinate-start coordinateVector3 mouseUp =input.mouseposition; Vector3 Touchoffset= MouseUp-Lastmonsedown; //swipe over 50 pixels to calculate the correct slide            if(Mathf.abs (Touchoffset.x) > -|| Mathf.abs (TOUCHOFFSET.Y) > -)            {                if(Mathf.abs (Touchoffset.x) > Mathf.abs (TOUCHOFFSET.Y) && touchoffset.x >0)                {                    returnTouchdir.right; }                Else if(Mathf.abs (Touchoffset.x) > Mathf.abs (TOUCHOFFSET.Y) && Touchoffset.x <0)                {                    returnTouchdir.left; }                Else if(Mathf.abs (Touchoffset.x) < Mathf.abs (TOUCHOFFSET.Y) && touchoffset.y >0)                {                    returnTouchdir.top; }                Else if(Mathf.abs (Touchoffset.x) < Mathf.abs (TOUCHOFFSET.Y) && Touchoffset.y <0)                {                    returnTouchdir.bottom; }            }            Else            {                returnTouchdir.none; }        }        returnTouchdir.none; }}/// <summary>///the direction of the touch/// </summary> Public enumtouchdir{None, left, right, Top, Bottom}

The direction of Unity finger touch (one-handed)