/* здесь был текст, но прилетело нло и забрало его */
/*script by xoid*/
using UnityEngine;
using System.Collections.Generic;

[System.Serializable]
public class intprotect {
                   public string name;
                   public int protectedint;
                   public int randomint;
}

public class SimpleProtect : MonoBehaviour {
                   public List<intprotect> protectlist = new List<intprotect>();

                   void SetProtInt(string name, int value)
                   {
                       //ищем существующий                
                       for (int i = 0; i < protectlist.Count; i++)
                       {
                           if (protectlist[i].name == name)
                           {
                     protectlist[i].randomint = Random.Range(-125, 125);
                     protectlist[i].protectedint = value + protectlist[i].randomint;
                     return;
                           }
                       }
                       //если нету добовляем
                       intprotect newp = new intprotect();
                       newp.name = name;
                       newp.randomint = Random.Range(-125, 125);
                       newp.protectedint = value + newp.randomint;
                       protectlist.Add(newp);
                   }
                   int GetProtInt(string name)
                   {
                       for (int i = 0; i < protectlist.Count; i++)
                       {
                           if (protectlist[i].name == name)
                     return protectlist[i].protectedint - protectlist[i].randomint;
                       }
                       return 0;
                   }
}

using UnityEngine;
using System.Collections;

public class MoneysExample : MonoBehaviour {
        [HideInInspector]
        public SimpleProtect protector;
        string Money = "";

     void Start () {
            protector = GetComponent<SimpleProtector>();
            SetCoin(Random.Range(5, 10));
     }

     void OnGUI () {
            GUI.Label(new Rect(Screen.width / 2 - 70, 40, 360, 20), "всего " + Money + " монет.");
            //
            if (GUI.Button(new Rect(Screen.width / 2 - 100, 60, 200, 20), "добавить 1 монету"))
            {
                SetCoin(1);
            }
            if (GUI.Button(new Rect(Screen.width / 2 - 100, 90, 200, 20), "добавить 10 монет"))
            {
                SetCoin(10);
            }
            if (GUI.Button(new Rect(Screen.width / 2 - 100, 120, 200, 20), "добавить 100 монет"))
            {
                SetCoin(100);
            }
            //
            if (GUI.Button(new Rect(Screen.width / 2 - 100, 150, 200, 20), "отнять 1 монету"))
            {
                SetCoin(-1);
            }
            if (GUI.Button(new Rect(Screen.width / 2 - 100, 180, 200, 20), "отнять 10 монет"))
            {
                SetCoin(-10);
            }
            if (GUI.Button(new Rect(Screen.width / 2 - 100, 210, 200, 20), "отнять 100 монет"))
            {
                SetCoin(-100);
            }
     }

        void SetCoin(int value)
        {
            int newmoney = protector.GetProtInt("монеты") + value;
            if (newmoney < 0) return;

            protector.SetProtInt("монеты", newmoney);
            Money = newmoney.ToString();
        }

}