Randomization

31     IEnumerator Moving()
32     {
33         yield return new WaitForSeconds(2);
34         nextPoint = bossPoints[3];
35         yield return new WaitForSeconds(2);
36         while (true)
37         {
38             nextPoint = bossPoints[rand.Randomization_1(0, 20, 40, 60, 73, 86, 99)];
39             yield return new WaitForSeconds(6);
40         }
41     }

42     IEnumerator SpawningRoutine()
43     {
44         yield return new WaitForSeconds(3);
45
46         while (!UIgame.scoreAchived)
47         {
48             GameObject enemy = null;
49
50             //FIRST STAGE OF SPAWNING
51             //CHOOSE ENEMY FOR SPAWN
52             int r = rand.Randomization_1(0, 10, 80, 99);
53             if (r == 0)
54             {
55                 enemy = pools.GetPoolableObject("enemy_01");
56             }
57             else if (r == 1)
58             {
59                 enemy = pools.GetPoolableObject("enemy_02");
60             }
61             else
62             {
63                 enemy = pools.GetPoolableObject("enemy_03");
64             }
65
66             //SECOND STAGE OF SPAWNING
67             //SPAWN CHOSEN ENEMY IN RANDOM POINT ON TOP SCREEN SIDE
68             r = Random.Range(0, pointsPositions.Length);
69
70             if (enemy != null)
71             {
72                 enemy.SetActive(true);
73                 enemy.GetComponent().Activation(new Vector3(pointsPositions[r], 2, strtSpawn.position.z),
74                     new Vector3(0,0,-1));
75             }
76
77             int spawnDelay;
78             if (SystemScr.difficultyIsHard)
79                 spawnDelay = 1;
80             else
81                 spawnDelay = Random.Range(3,5);
82
83             yield return new WaitForSeconds(spawnDelay);
84         }
85
86         //BOSS ACTIVATION
87         pools.DeleteEnemiesAndBullets();
88         CameraMotor.speedScreen = 0;
89         Camera.main.GetComponent().city_1.gameObject.SetActive(false);//remove city1
90         Camera.main.GetComponent().city_2.gameObject.SetActive(false);//remove city2
91         Camera.main.backgroundColor = Color.black;
92         GameObject.FindObjectOfType().BossMusicOn();
93
94         yield return new WaitForSeconds(6);
95
96         pools.AcivateBoss();
97     }

6     public static int Randomization_1(this Random rand, params int[] randBorders)
7     {
8         int r = Random.Range(0,100);
9         int returningValue = 0;
10
11         for (int i = 0; i < randBorders.Length-1; i++)
12         {
13             if (r > randBorders[i] && r < randBorders[i + 1])
14             {
15                 returningValue = i;
16                 break;
17             }
18         }
19
20         return returningValue;
21     }

23     public static int Randomization_2(this Random rand, params int[] digits)
24     {
25         return Random.Range(0, digits.Length);
26     }

18     void RandomizeBonus()
19     {
20         int r = random.Randomization_1(0, 10, 50, 80, 99);
21         thisBonus = (BonusesEnum)r;
22         rend.sharedMaterial = materials[r];
23     }