spawn timer problem

Questions & Answers
1

Somehow i can`t manage to make this enemys spawn with timer.
THey do spawn as soon as i kill one, but it happens INSTANTLY, despire WaitForSeconds being in script.
Need an idea how to make new guy appear like 2 seconds after you kill the one before him, not instantly.
Any help would be appritiated.

using UnityEngine;
using System.Collections;

public class SpawnEnemy : MonoBehaviour
{

    public GameObject[] EnemyTypes;
    ScoreManager scoreManager;

    void Awake()
    {
        scoreManager = GameObject.Find("GameManager").GetComponent<ScoreManager>();
    }

    void Update()
    {
        if (scoreManager.inPlay)
        {
            if (scoreManager.EnemyCount <= 3)
                Spawn();
        }
    }

    void Spawn()
    {
        Debug.Log("SPAWN!");
        Vector3 spawnV = new Vector3(Random.Range(-6, 6), Random.Range(-3, 3), 0);
        int s = Random.Range(0, EnemyTypes.Length);
        Instantiate(EnemyTypes~~, spawnV, Quaternion.identity);~~

//Instantiate(EnemyTypes[0], Vector3.zero, Quaternion.identity);
scoreManager.EnemyCount++;
StartCoroutine(“Wait”);
}
IEnumerator Wait()
{
yield return new WaitForSeconds(2);
}
}

2

You aren’t using the co-routine properly. Try this instead (Untested):

using UnityEngine;
using System.Collections;

public class SpawnEnemy : MonoBehaviour {

	public GameObject[] EnemyTypes;
	public float spawnRate = 2f; //probably don't want to hardcode that
	ScoreManager scoreManager;

	float timeSinceLastSpawn = 0f;
	
	void Awake()
	{
		scoreManager = GameObject.Find("GameManager").GetComponent<ScoreManager>();
	}
	
	void Update()
	{
		timeSinceLastSpawn += Time.deltaTime;
		if (scoreManager.inPlay)
		{
			if (scoreManager.EnemyCount <= 3 && timeSinceLastSpawn >= spawnRate)
				Spawn();
		}
	}
	
	void Spawn()
	{
		Debug.Log("SPAWN!");
		Vector3 spawnV = new Vector3(Random.Range(-6, 6), Random.Range(-3, 3), 0);
		int s = Random.Range(0, EnemyTypes.Length);
		Instantiate(EnemyTypes~~, spawnV, Quaternion.identity);~~

~~ //Instantiate(EnemyTypes[0], Vector3.zero, Quaternion.identity);~~
~~ scoreManager.EnemyCount++;~~
~~ timeSinceLastSpawn = 0f;~~
~~ }~~

}

3

@Silvermurk

Replace Spawn() in Update() to your wait coroutine like :

     void Update()
     {
         timeSinceLastSpawn += Time.deltaTime;
         if (scoreManager.inPlay)
         {
             if (scoreManager.EnemyCount <= 3 && timeSinceLastSpawn >= spawnRate)
                StartCoroutine(Wait());
         }

And then call Spawn function in that coroutine like :

IEnumerator Wait()
     {
         yield return new WaitForSeconds(2);
         Spawn();
     }

This will pretty much do your job. Good luck.