1 using System.Collections;
2 using System.Collections.Generic;
3 using UnityEngine;
4
5 public class EnemySpawner : MonoBehaviour {
6
7 public GameObject[] enemies;
8 public GameObject[] boss;
9 public int count, maxCount;
10 public bool active, isBossReady;
11 public float time;
12
13 private float delay;
14 private float maxTop;
15
16
17 void Awake(){
18
19 }
20
21 // Use this for initialization
22 void Start () {
23 InitializeVariables ();
24 LimitBounds ();
25 }
26
27 // Update is called once per frame
28 void Update () {
29 if(GameplayController.instance.gameInProgress){
30 LimitBounds ();
31 SpawnEnemies ();
32 CheckedEnemies ();
33 }
34 }
35
36
37
38 void SpawnEnemies(){
39 if (active) {
40 if (count != 0) {
41 delay = 3;
42
43 Vector3[] position = new[] {
44 new Vector3 (-2, maxTop, 0),
45 new Vector3 (-1, maxTop, 0),
46 new Vector3 (0, maxTop, 0),
47 new Vector3 (1, maxTop, 0),
48 new Vector3 (2, maxTop, 0)
49 };
50
51 time += Time.deltaTime;
52 if (time > delay) {
53 delay = Random.Range (3, 8);
54 int randomEnemy = Random.Range (0, position.Length);
55 time = 0;
56 for (int i = 0; i < position.Length; i++) {
57 if (i != randomEnemy) {
58 Instantiate (enemies [0], position [i], Quaternion.Euler (0, 0, 180));
59 } else {
60 Instantiate (enemies [1], position [i], Quaternion.Euler (0, 0, 180));
61 }
62 }
63
64 count--;
65 }
66
67 } else {
68 active = false;
69 }
70
71 } else {
72 count = maxCount;
73 }
74
75 }
76
77 void LimitBounds(){
78 Vector3 topBoundary = Camera.main.ViewportToWorldPoint (new Vector3 (0, 1, 0));
79 maxTop = topBoundary.y;
80 }
81
82 void CheckedEnemies(){
83 if(!active){
84 if (GameObject.FindGameObjectWithTag("Enemy") == null) {
85 if(!isBossReady){
86 isBossReady = true;
87 GameplayController.instance.ShowWarning();
88 }
89 }
90 }
91 }
92
93
94 public void SpawnBoss(){
95 Instantiate (boss[0], new Vector3 (0, maxTop + 3, 0), Quaternion.Euler(0, 0, 180));
96 }
97
98 public void InitializeVariables(){
99 count = maxCount;
100 time = 0f;
101 active = true;
102 isBossReady = false;
103 }
104 }
Use this for initialization
Update is called once per frame
