using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class EnemySpawn : MonoBehaviour
{
    //variable to set the game object to the player
    public GameObject player;
    //public variable to set the range the player has to be in to activate spawner
    public float enemyRange = 5;
    //game object for the enemy(prefab) that will be spawned
    public GameObject spawnedEnemy;
    //Interval between enemy spawns
    public float spawnInterval = 2;
    //timer variable
    float timer = 0f;
    //Number of enemies to spawn in each interval
    public int numberOfEnemies = 1;
    // Start is called before the first frame update
    void Start()
    {
        
    }

    // Update is called once per frame
    void Update()
    {
        //Check to see if the player is within range
        if (Vector3.Distance(transform.position, player.transform.position) < enemyRange)
        {
            //count up on the timer
            timer += Time.fixedDeltaTime;
            //if timer has counted above interval execute the if command
            if (timer >= spawnInterval)
            {
                //create the number of enemies that the designer has set
                for(int i = 0; i < numberOfEnemies; i++)
                {
                    //create enemy at position of spawner
                    GameObject sEnemy = Instantiate(spawnedEnemy, transform.position, Quaternion.identity);
                    //reset timer back to 0
                    timer = 0;
                } 
            }
        }
    }
}