Game/Assets/Scripts/WaveManager.cs

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

public class WaveManager : MonoBehaviour
{
    [Header("Wave 1 (civil cars)")]
    public GameObject civilCar;
    public float CivilCarSpawnDelay;
    public int CivilCarsAmout;
    
    [Header("Wave 2 (PoliceBomb cars)")]
    public GameObject PoliceBombCar;
    public int bombsAmount;
    public int policecarVerticalSpeed;
    public int policecarHorizontalSpeed;
    public float bombDelay;
    private GameObject spawnedPoliceBombCar;
    private bool isSpawned;
    private bool is2ndSpawned;
    [Header("Wave 3 (PoliceB cars)")]
    public GameObject PoliceCarB;
    public int PoliceCarBAmount;
    [HideInInspector]
    static public bool isLeft;
    [HideInInspector]
    static public bool isRight;
    public float shootingSeriesDelay;
    public float singleShotDelay;
    public float policeCarBVerticalSpeed;
    public int bulletsInSeries;
    private GameObject spawnedPoliceCarB;
    [Header("Points")]
    public int pointsPerCivilCar;
    public int pointsPerPoliceBombCar;
    public int pointsPerBomb;
    public int pointsPerPoliceBCar;

    public GameObject EndGameScreen;

    private float[] lanesArray;
    private float spawnDelay;

    void Start()
    {
        lanesArray = new float[4];
        lanesArray[0] = -2.13f;
        lanesArray[1] = -0.76f;
        lanesArray[2] = 0.76f;
        lanesArray[3] = 2.13f;
        spawnDelay = CivilCarSpawnDelay;
    }

    void Update()
    {
        spawnDelay -= Time.deltaTime;
        if (spawnDelay <= 0 && CivilCarsAmout > 0)
        {
            SpawnCar();
            spawnDelay = CivilCarSpawnDelay;

        } else if (CivilCarsAmout <= 0 && is2ndSpawned == false)
        {
            if(isSpawned == false)
            {
            spawnPoliceBombCar();
            } else if(isSpawned == true && spawnedPoliceBombCar.GetComponent<PoliceBombBehavioru>().bombsAmount < 10 && is2ndSpawned == false)
            {
                spawnPoliceBombCar();
            }
            
        } else if (CivilCarsAmout <= 0 && PoliceCarBAmount > 0 && spawnedPoliceBombCar == null)
        {
            spawnPoliceCarB();
        } else if(PoliceCarBAmount <= 0 && isLeft == false && isRight == false)
        {
            //Time.timeScale = 0;
            EndGameScreen.SetActive(true);
        }
    }

    void spawnPoliceCarB()
    {
        Transform playerCarPosition;
        if(GameObject.FindWithTag("Player"))
        {
            playerCarPosition = GameObject.FindWithTag("Player").transform;
        }else if(GameObject.FindWithTag("Shield"))
        {
            playerCarPosition = GameObject.FindWithTag("Shield").transform;
        }else if(GameObject.FindWithTag("Untouchable"))
        {
            playerCarPosition = GameObject.FindWithTag("Untouchable").transform;
        } else
        {
            playerCarPosition = null;
        }
        if(playerCarPosition.position.x <= -0.2f && isRight == false)
        {
          spawnedPoliceCarB =  (GameObject)Instantiate(PoliceCarB, new Vector3(2.25f, -6f, 0), Quaternion.identity);
          spawnedPoliceCarB.GetComponent<PoliceCarBBehaviour>().isLeft = false;
          isRight = true;
          PoliceCarBAmount--;
        } else if(playerCarPosition.position.x > -0.2f && isLeft == false)
        {
          spawnedPoliceCarB = (GameObject)Instantiate(PoliceCarB, new Vector3(-2.25f, -6f, 0), Quaternion.identity);
          spawnedPoliceCarB.GetComponent<PoliceCarBBehaviour>().isLeft = true;
          isLeft = true;
          PoliceCarBAmount--;
        }
        spawnedPoliceCarB.GetComponent<PoliceCarBBehaviour>().shootingSeriesDelay = shootingSeriesDelay;
        spawnedPoliceCarB.GetComponent<PoliceCarBBehaviour>().singleShotDelay = singleShotDelay;
        spawnedPoliceCarB.GetComponent<PoliceCarBBehaviour>().policeCarBVerticalSpeed = policeCarBVerticalSpeed;
        spawnedPoliceCarB.GetComponent<PoliceCarBBehaviour>().bulletsInSeries = bulletsInSeries;
        spawnedPoliceCarB.GetComponent<PoliceCarBBehaviour>().pointsPerCar = pointsPerPoliceBCar;
        
        
        
    }

    void spawnPoliceBombCar()
    {
        if (isSpawned == false)
        {
            spawnedPoliceBombCar = (GameObject)Instantiate(PoliceBombCar, new Vector3(Random.Range(-2.3f, 2.3f), 7f, 0), Quaternion.identity);
            spawnedPoliceBombCar.GetComponent<PoliceBombBehavioru>().bombDelay = bombDelay;
            isSpawned = true;
        } else if (isSpawned == true && is2ndSpawned == false)
        {
            if (spawnedPoliceBombCar.transform.position.x < 0.5f)
            {
            spawnedPoliceBombCar = (GameObject)Instantiate(PoliceBombCar, new Vector3(2.2f, 7f, 0), Quaternion.identity);
            is2ndSpawned = true;
            } else if (spawnedPoliceBombCar.transform.position.x >= 0.5f)
            {
            spawnedPoliceBombCar = (GameObject)Instantiate(PoliceBombCar, new Vector3(-2.2f, 7f, 0), Quaternion.identity);
            is2ndSpawned = true;
            }
            spawnedPoliceBombCar.GetComponent<PoliceBombBehavioru>().bombDelay = bombDelay / 1.5f;
        }
        spawnedPoliceBombCar.GetComponent<PoliceBombBehavioru>().bombsAmount = bombsAmount;
        spawnedPoliceBombCar.GetComponent<PoliceBombBehavioru>().policecarVerticalSpeed = policecarVerticalSpeed;
        spawnedPoliceBombCar.GetComponent<PoliceBombBehavioru>().policecarHorizontalSpeed = policecarHorizontalSpeed;
        spawnedPoliceBombCar.GetComponent<PoliceBombBehavioru>().pointsPerCar = pointsPerPoliceBombCar;
        spawnedPoliceBombCar.GetComponent<PoliceBombBehavioru>().bomb.GetComponent<Bomb>().pointsPerBomb = pointsPerBomb;
    }

    void SpawnCar()
    {
        int lane = Random.Range(0, 4);
        if (lane == 0 || lane == 1)
        {
            GameObject car = (GameObject)Instantiate(civilCar, new Vector3(lanesArray[lane], 6f, 0), Quaternion.Euler(new Vector3(0, 0, 180)));
            car.GetComponent<CivilCarBehaviour>().direction = 1;
            car.GetComponent<CivilCarBehaviour>().civilCarSpeed = 9f;
            car.GetComponent<CivilCarBehaviour>().pointsPerCar = pointsPerCivilCar;
        }

        if (lane == 2 || lane == 3)
        {
            GameObject car = (GameObject)Instantiate(civilCar, new Vector3(lanesArray[lane], 6f, 0), Quaternion.identity);
            car.GetComponent<CivilCarBehaviour>().pointsPerCar = pointsPerCivilCar;
        }
        CivilCarsAmout--;
    }

}