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Assets/Scripts/System/RandomPool/RandomUtils.cs

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+using UnityEngine;
+
+namespace System.RandomPool
+{
+    public static class RandomUtils
+    {
+        public static float RandomFloat ()
+        {
+            return 1 - UnityEngine.Random.Range (0 , 1f);
+        }
+
+        public static bool HasRandom (float rota)
+        {
+            if (rota <= 0)
+            {
+                return false;
+            }
+
+            if (rota >= 1)
+            {
+                return true;
+            }
+
+            return RandomFloat () <= rota;
+        }
+
+        public static int RandomInt (int min, int max)
+        {
+            return UnityEngine.Random.Range (min, max);
+        }
+
+        public static float RandomFloat (float min, float max)
+        {
+            return UnityEngine.Random.Range (min, max);
+        }
+
+        public static int Range (int randomCountX, int randomCountY)
+        {
+            return RandomInt (randomCountX, randomCountY);
+        }
+
+        public static float RandomFormVector (Vector2 range)
+        {
+            return RandomFloat (range.x, range.y);
+        }
+    }
+}