Spawn a number of enemy's on the map

Question

Hello I am making a zombie survival game and I want to Spawn a number of enemy's on the map can you help here is my code I am using unity 5 thank you.

 using UnityEngine;
 using System.Collections;
 
 public class GameManagement : MonoBehaviour {
     public int round = 1;
     int zombesInRound = 5;
     int zombiesSpawnInRound = 0;
     float zombieSpawnTimer = 0;
     public Transform[] zombieSpawnPoints;
     public GameObject zombieEnemy;
 
     void Start () {
     
     }
     
 
     void Update () {
         if (zombiesSpawnInRound < zombesInRound)
         {
             if(zombieSpawnTimer > 30)
             {
                 SpawnZombie ();
                 zombieSpawnTimer = 0;
             }
             else
             {
                 zombieSpawnTimer++;
             }
         }
     }
     void SpawnZombie()
     {
         Vector3 randomSpawnPiont = zombieSpawnPoints[Random.Range (0, zombieSpawnPoints.Length)].position;
         Instantiate(zombieEnemy,randomSpawnPiont,Quaternion.identity);
         zombesInRound ++;
     }
 }

Answer 1

Answer by Eno-Khaon · Jun 21, 2015 at 07:23 PM

You might consider using two variables for your zombie spawn rate.

 public float zombieSpawnRate = 5.0f; // One every X seconds
 float zombieSpawnTimer;
 
 void Start()
 {
     zombieSpawnTimer = zombieSpawnRate;
 }
 
 void Update()
 {
     if(zombiesSpawnInRound < zombiesInRound)
     {
         if(zombieSpawnTimer <= 0)
         {
             SpawnZombie();
             zombieSpawnTimer = zombieSpawnRate;
         }
         // If used here, timer will wait at X seconds
         // before a new zombie can spawn when at the
         // maximum possible in the round
         zombieSpawnTimer -= Time.deltaTime;
     }
     // If used here, zombie can spawn
     // instantly upon another's death when
     // at the maximum in the round
     // zombieSpawnTimer -= Time.deltaTime;
 }

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Spawn a number of enemy's on the map

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