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

public class NumPad : MonoBehaviour {
	public Text[] txtR,txtN;
	int[] CNum = new int[4];
	public Sprite[] sprNum;
	public Button[] btnNum;
	public int iKeyIn=0;
	// Use this for initialization
	void Start () {
		
	}
	
	// Update is called once per frame
	void Update () {
		
	}

	public void PressNum(int no)
	{
		if (iKeyIn <= 3) {
			txtN [iKeyIn].text = no.ToString ();
			btnNum [no].image.sprite = sprNum[no*2+1];
			btnNum [no].enabled=false;
			iKeyIn++;
		}
	}

	public void PressBS()
	{
		int no;
		if (iKeyIn > 0) {
			iKeyIn--;
			no = int.Parse (txtN [iKeyIn].text);
			Debug.Log(no.ToString());
			btnNum [no].image.sprite = sprNum[no*2];
			btnNum [no].enabled=true;
			txtN [iKeyIn].text = "";
		}

	}
}