Runner_Iceland_2019/Assets/!Santa/Scripts/CapchaCheck.cs

using System;
using UnityEngine;
using System.Collections;
using Random = UnityEngine.Random;

public class CapchaCheck : MonoBehaviour {
   
    [SerializeField]
    private UISprite[] Symbol1;
    [SerializeField]
    private UISprite[] Symbol2;
    [SerializeField]
    private UISprite[] Symbol3;
    [SerializeField]
    private UISprite[] Symbol4;
    [SerializeField]
    private UIButton _refresh;

    private string _value;
    // Use this for initialization
    void Start ()
	{
        Refresh();
        _refresh.onClick.Add(new EventDelegate(Refresh));
	}

    public void Refresh()
    {
        _value = Random.Range(1000, 9999).ToString();
        for (int i = 0; i < _value.Length; i++)
        {
            Activate(i, Int32.Parse(_value[i].ToString()));
        }
    }

    private void Activate(int leter, int index)
    {
        UISprite[] arr = null;
        switch (leter)
        {
            case 0:
                arr = Symbol1;
                break;
            case 1:
                arr = Symbol2;
                break;
            case 2:
                arr = Symbol3;
                break;
            case 3:
                arr = Symbol4;
                break;
        }

        if (arr != null)
        {
            for (int i = 0; i < arr.Length; i++)
            {
                arr[i].gameObject.SetActive(i==index);
            }
        }

    }

    public bool Check(string capcha)
    {
        return _value.Equals(capcha.Trim());
    }

    private void OnEnable()
    {
        Refresh();
    }

}