[Add] Dice & Refactor private names

Assets/Scripts/Economy/CurrencyBank.cs

@@ -7,41 +7,41 @@ namespace YachtDice.Economy
     {
         [SerializeField] private int startingBalance = 500;
 
-        private int balance;
+        private int _balance;
 
-        public int Balance => balance;
+        public int Balance => _balance;
 
         public event Action<int> OnBalanceChanged;
 
         private void Awake()
         {
-            balance = startingBalance;
+            _balance = startingBalance;
         }
 
         public void Add(int amount)
         {
             if (amount <= 0) return;
 
-            balance += amount;
-            OnBalanceChanged?.Invoke(balance);
+            _balance += amount;
+            OnBalanceChanged?.Invoke(_balance);
         }
 
         public bool Spend(int amount)
         {
             if (amount <= 0) return false;
-            if (balance < amount) return false;
+            if (_balance < amount) return false;
 
-            balance -= amount;
-            OnBalanceChanged?.Invoke(balance);
+            _balance -= amount;
+            OnBalanceChanged?.Invoke(_balance);
             return true;
         }
 
-        public bool CanAfford(int amount) => balance >= amount;
+        public bool CanAfford(int amount) => _balance >= amount;
 
         public void SetBalance(int value)
         {
-            balance = Mathf.Max(0, value);
-            OnBalanceChanged?.Invoke(balance);
+            _balance = Mathf.Max(0, value);
+            OnBalanceChanged?.Invoke(_balance);
         }
     }
 }