Spawn Point Repeating

Questions & Answers
1

Hello Unity community, i make this car spawn script. I have 2 problem about this script.
1- When i run game its normal working and spawn 6 car ( 3 Left side 3 right side) but when i trigger car spawner its spawn 12 car not 6 car. I cant fix it.
2- Sometimes cars spawn same spawn point how i can make it non repeating ?

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

public class SpawnSystem : MonoBehaviour
{
    public GameObject[] cars;
    public Transform[] leftSpawnPoint;
    public Transform[] rightSpawnPoint;

    void Start()
    {

        for (int i = 0; i < 3; i++)
        {

            Instantiate(cars[Random.Range(0, cars.Length)], leftSpawnPoint[Random.Range(0, leftSpawnPoint.Length)].position, Quaternion.Euler(0, 180, 0));
            Instantiate(cars[Random.Range(0, cars.Length)], rightSpawnPoint[Random.Range(0, rightSpawnPoint.Length)].position, Quaternion.identity);
        }
    }

    public void SpawnCar()
    {
        for (int i = 0; i < 3; i++)
        {
            Instantiate(cars[Random.Range(0, cars.Length)], leftSpawnPoint[Random.Range(0, leftSpawnPoint.Length)].position, Quaternion.Euler(0, 180, 0));

            Instantiate(cars[Random.Range(0, cars.Length)], rightSpawnPoint[Random.Range(0, rightSpawnPoint.Length)].position, Quaternion.identity);

        }
    }
}
3

Okey i change it. But its still spawn 6 car first and 12 car more when enter trigger. 189390-screenshot-4.png

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

public class SpawnSystem : MonoBehaviour
{
    public GameObject[] cars;
    public Transform[] leftSpawnPoint;
    public Transform[] rightSpawnPoint;

    void Start()
    {

        SpawnCar();
    }

    public void SpawnCar()
    {
        for (int i = 0; i < 3; i++)
        {
            Instantiate(cars[Random.Range(0, cars.Length)], leftSpawnPoint[Random.Range(0, leftSpawnPoint.Length)].position, Quaternion.Euler(0, 180, 0));

            Instantiate(cars[Random.Range(0, cars.Length)], rightSpawnPoint[Random.Range(0, rightSpawnPoint.Length)].position, Quaternion.identity);

        }
    }
}
4

Your spawn points are repeating because you’re choosing a random spawn point every time you instantiate a new car. Try this:

 public void SpawnCar()
 {
     for (int i = 0; i < 3; i++)
     {
         Instantiate(cars[Random.Range(0, cars.Length)], leftSpawnPoint[Random.Range(0, leftSpawnPoint.Length)].position, Quaternion.Euler(0, 180, 0));

         Instantiate(cars[Random.Range(0, cars.Length)], rightSpawnPoint[Random.Range(0, rightSpawnPoint.Length)].position, Quaternion.identity);

     }
 }
5

Okey i fix my problem when i remove my car collider its fixed but now i need to make my spawns no repeate. How i can make it ?

2

Delete everything in Start and make it like this:

void Start(){
    SpawnCar();
}

Also don’t call spawnCar() If start has spawned it

So try and comment Start()