using UnityEngine;
using System.Collections;
using UnityEngine.EventSystems;

public class MyButton : MonoBehaviour, IPointerDownHandler, IPointerUpHandler {

public bool buttonPressed;

public void OnPointerDown(PointerEventData eventData){
     buttonPressed = true;
}

public void OnPointerUp(PointerEventData eventData){
    buttonPressed = false;
}
}