inputTouch

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class inputTouch : MonoBehaviour {

    public LayerMask touchInputMask;
    private List<GameObject> touchList = new List<GameObject> ();
    private GameObject[] touchesOld;
    private RaycastHit hit;
    // Update is called once per frame
    void Update () {


        #if UNITY_EDITOR

        #endif

        if (Input.touchCount > 0) {


            touchesOld = new GameObject[touchList.Count];
            touchList.CopyTo (touchesOld);
            touchList.Clear ();

            foreach (Touch touch in Input.touches) {
                Ray ray = GetComponent<Camera> ().ScreenPointToRay (touch.position);


                if (Physics.Raycast (ray, out hit, touchInputMask)) {

                    GameObject recipient = hit.transform.gameObject;

                    touchList.Add (recipient);

                    if (touch.phase == TouchPhase.Began) {
                        recipient.SendMessage ("OnTouchDown", hit.point, SendMessageOptions.DontRequireReceiver);
                    }

                    if (touch.phase == TouchPhase.Ended) {
                        recipient.SendMessage ("OnTouchUp", hit.point, SendMessageOptions.DontRequireReceiver);
                    }

                    if (touch.phase == TouchPhase.Stationary || touch.phase == TouchPhase.Moved) {
                        recipient.SendMessage ("OnTouchStay", hit.point, SendMessageOptions.DontRequireReceiver);
                    }

                    if (touch.phase == TouchPhase.Canceled) {
                        recipient.SendMessage ("OnTouchExit", hit.point, SendMessageOptions.DontRequireReceiver);
                    }


                }



            }

            foreach (GameObject g in touchesOld) {
                if (!touchList.Contains(g)){
                    g.SendMessage ("OnTouchExit", hit.point, SendMessageOptions.DontRequireReceiver);
                }

            }

        }
    }
}