using UnityEngine;
using System.Linq;

public class TestMin : MonoBehaviour
{
    void Start()
    {
        // Создаём массив со случайными числами
        int[] array = new int[10].Select(x => Random.Range(0, 100)).ToArray();
        // Ищем минимальное число
        int minValue = array.Min();
        // Строка для вывода массива
        string arrayStr = array.Select(x => x.ToString()).Aggregate((result, x) => result + ", " + x);
        Debug.Log(arrayStr + " => " + minValue);
    }
}

    public List<Transform> targets;

    public Transform target;
    // скорость вращения
    public float rotationSpeed = 1F;
    //мертвая зона вращения (чтобы турель не дергалась при x=0)
    public float deadZone = 0.1F;
    //направление вращения ( "0" - не вращать, "1" - вправо и "-1" - влево)
    private float rotateDirection = 0;

    public GameObject Bullet;
    public bool IsShooting;

    void Start()
    {
        targets = new List<Transform>();
    }

    void LateUpdate()
    {
        if (targets.Count > 0)
        {
            float[] distances = new float[targets.Count];

            for (int i = 0; i < targets.Count; i++)
            {
                distances[i] = Vector2.Distance(this.transform.position, targets[i].position);
            }
            target = targets[System.Array.IndexOf<float>(distances, distances.Min())];
            if (target)
            {
                if (transform.InverseTransformPoint(target.position).x > deadZone / 2)
                {
                    IsShooting = false;
                    rotateDirection = Mathf.Lerp(rotateDirection, -1, 0.2f);
                }
                else if (transform.InverseTransformPoint(target.position).x < -deadZone / 2)
                {
                    IsShooting = false;
                    rotateDirection = Mathf.Lerp(rotateDirection, 1, 0.2f);
                }
                else
                {
                    if (transform.InverseTransformPoint(target.position).y < 0) rotateDirection = Mathf.Lerp(rotateDirection, 1, 0.2f);
                    else
                    {
                        IsShooting = true;
                        if (rotateDirection > Mathf.Min(rotateDirection, 0) | rotateDirection < Mathf.Max(rotateDirection, 0))
                        {
                            rotateDirection = Mathf.Lerp(rotateDirection, 0, 0.2f);
                        }
                        else
                        {
                            rotateDirection = 0;
                        }
                    }
                }
                transform.rotation *= Quaternion.Lerp(new Quaternion(), Quaternion.Euler(0, 0, rotationSpeed * rotateDirection), Time.deltaTime);
            }
        }
    }

    void OnTriggerEnter2D(Collider2D other)
    {
        targets.Add(other.transform);
    }

    void OnTriggerExit2D(Collider2D other)
    {
        targets.Remove(other.transform);
    }

    public List<Transform> targets = new List<Transform>();
    // Цели, но без тех, что не нужны, т.е без тех, которые не соответствуют тегу или находятся за препятствием
    List<Transform> separatedTargets = new List<Transform>();
    public Transform target;
    // скорость вращения
    public float rotationSpeed = 1F;
    //мертвая зона вращения (чтобы турель не дергалась при x=0)
    public float deadZone = 0.1F;
    //направление вращения ( "0" - не вращать, "1" - вправо и "-1" - влево)
    private float rotateDirection = 0;

    public GameObject Bullet;
    public bool IsShooting;

    void Start()
    {
    }

    void LateUpdate()
    {
        if (targets.Count > 0)
        {
            List<float> distances = new List<float>();
            for (int i = 0; i < targets.Count; i++)
            {
                if (targets[i].tag != "StaticObject" && targets[i].tag != "friendly" && !Physics2D.Linecast(this.transform.position, targets[i].position))
                {
                    separatedTargets.Add(targets[i]);
                    distances.Add(Vector2.Distance(this.transform.position, targets[i].position));
                }
            }

            target = separatedTargets[distances.IndexOf(distances.Min())];
            if (target)
            {
                if (transform.InverseTransformPoint(target.position).x > deadZone / 2)
                {
                    IsShooting = false;
                    rotateDirection = Mathf.Lerp(rotateDirection, -1, 0.2f);
                }
                else if (transform.InverseTransformPoint(target.position).x < -deadZone / 2)
                {
                    IsShooting = false;
                    rotateDirection = Mathf.Lerp(rotateDirection, 1, 0.2f);
                }
                else
                {
                    if (transform.InverseTransformPoint(target.position).y < 0) rotateDirection = Mathf.Lerp(rotateDirection, 1, 0.2f);
                    else
                    {
                        IsShooting = true;
                        if (rotateDirection > Mathf.Min(rotateDirection, 0) | rotateDirection < Mathf.Max(rotateDirection, 0))
                        {
                            rotateDirection = Mathf.Lerp(rotateDirection, 0, 0.2f);
                        }
                        else
                        {
                            rotateDirection = 0;
                        }
                    }
                }
                transform.rotation *= Quaternion.Lerp(new Quaternion(), Quaternion.Euler(0, 0, rotationSpeed * rotateDirection), Time.deltaTime);
            }
        }
        else
        {
            targets.Remove(target);
        }
    }

    void OnTriggerEnter2D(Collider2D other)
    {
        targets.Add(other.transform);
    }

    void OnTriggerExit2D(Collider2D other)
    {
        if (targets.IndexOf(other.transform)> -1)
        {
            targets.Remove(other.transform);
        }
    }

if (targets.Count > 0)
        {
....
}
else targets.Remove(target);

    public List<Transform> targets = new List<Transform>();
    // Цели, но без тех, что не нужны, т.е без тех, которые не соответствуют тегу или находятся за препятствием
    List<Transform> separatedTargets = new List<Transform>();
    public Transform target;
    // скорость вращения
    public float rotationSpeed = 1F;
    //мертвая зона вращения (чтобы турель не дергалась при x=0)
    public float deadZone = 0.1F;
    //направление вращения ( "0" - не вращать, "1" - вправо и "-1" - влево)
    private float rotateDirection = 0;

    public GameObject Bullet;
    public bool IsShooting;

    public int layerMask = 1 << 8;

    public float ShootPeriod = 0.1f;

    public Transform[] SpawnPointsTransforms;

    public IEnumerator Shoot()
    {
        yield return new WaitForSeconds(ShootPeriod);
        for (int i = 0; i < SpawnPointsTransforms.Length; i++)
        {
            Instantiate(Bullet, SpawnPointsTransforms[i].position, SpawnPointsTransforms[i].rotation);
        }
    }

    void Start()
    {
    }

    void LateUpdate()
    {
        if (IsShooting)
        {
            StartCoroutine(Shoot());
        }
        if (targets.Count > 0)
        {
            List<float> distances = new List<float>();
            for (int i = 0; i < targets.Count; i++)
            {
                if (targets[i].tag != "StaticObject" && targets[i].tag != "TurretFriendly" && targets[i].tag != "TurretIgnore" && !Physics2D.Linecast(this.transform.position, targets[i].position,layerMask))
                {
                    separatedTargets.Add(targets[i]);
                    distances.Add(Vector2.Distance(this.transform.position, targets[i].position));
                }
            }
            Debug.Log(distances.Count);

            target = separatedTargets[distances.IndexOf(distances.Min())];
            if (target)
            {
                if (transform.InverseTransformPoint(target.position).x > deadZone / 2)
                {
                    IsShooting = false;
                    rotateDirection = Mathf.Lerp(rotateDirection, -1, 0.2f);
                }
                else if (transform.InverseTransformPoint(target.position).x < -deadZone / 2)
                {
                    IsShooting = false;
                    rotateDirection = Mathf.Lerp(rotateDirection, 1, 0.2f);
                }
                else
                {
                    if (transform.InverseTransformPoint(target.position).y < 0) rotateDirection = Mathf.Lerp(rotateDirection, 1, 0.2f);
                    else
                    {
                        IsShooting = true;
                        if (rotateDirection > Mathf.Min(rotateDirection, 0) | rotateDirection < Mathf.Max(rotateDirection, 0))
                        {
                            rotateDirection = Mathf.Lerp(rotateDirection, 0, 0.2f);
                        }
                        else
                        {
                            rotateDirection = 0;
                        }
                    }
                }
                transform.rotation *= Quaternion.Lerp(new Quaternion(), Quaternion.Euler(0, 0, rotationSpeed * rotateDirection), Time.deltaTime);
            }
        }
        else
        {
            targets.Remove(target);
        }
    }

    void OnTriggerEnter2D(Collider2D other)
    {

        targets.Add(other.transform);
    }

    void OnTriggerExit2D(Collider2D other)
    {
        targets.Remove(other.transform);
    }

    public List<Transform> targets = new List<Transform>();
    // Цели, но без тех, что не нужны, т.е без тех, которые не соответствуют тегу или находятся за препятствием
    List<Transform> separatedTargets = new List<Transform>();
    public Transform target;
    // скорость вращения
    public float rotationSpeed = 1F;
    //мертвая зона вращения (чтобы турель не дергалась при x=0)
    public float deadZone = 0.1F;
    //направление вращения ( "0" - не вращать, "1" - вправо и "-1" - влево)
    private float rotateDirection = 0;

    public GameObject Bullet;
    public bool IsShooting;

    public int layerMask = 1 << 8;

    public float ShootPeriod = 0.1f;

    public TurretCannon[] Cannons;

    void Start()
    {
    }

    void LateUpdate()
    {
        if (IsShooting)
        {
            for (int i = 0; i < Cannons.Length; i++)
            {
                StartCoroutine(Cannons[i].Shoot());
            }
        }
        if (targets.Count > 0)
        {
            List<float> distances = new List<float>();
            for (int i = 0; i < targets.Count; i++)
            {
                if (targets[i].tag != "StaticObject" && targets[i].tag != "TurretFriendly" && targets[i].tag != "TurretIgnore" && !Physics2D.Linecast(this.transform.position, targets[i].position,layerMask))
                {
                    separatedTargets.Add(targets[i]);
                    distances.Add(Vector2.Distance(this.transform.position, targets[i].position));
                }
            }
            Debug.Log(distances.Count);

            target = separatedTargets[distances.IndexOf(distances.Min())];
            if (target)
            {
                if (transform.InverseTransformPoint(target.position).x > deadZone / 2)
                {
                    IsShooting = false;
                    rotateDirection = Mathf.Lerp(rotateDirection, -1, 0.2f);
                }
                else if (transform.InverseTransformPoint(target.position).x < -deadZone / 2)
                {
                    IsShooting = false;
                    rotateDirection = Mathf.Lerp(rotateDirection, 1, 0.2f);
                }
                else
                {
                    if (transform.InverseTransformPoint(target.position).y < 0) rotateDirection = Mathf.Lerp(rotateDirection, 1, 0.2f);
                    else
                    {
                        IsShooting = true;
                        if (rotateDirection > Mathf.Min(rotateDirection, 0) | rotateDirection < Mathf.Max(rotateDirection, 0))
                        {
                            rotateDirection = Mathf.Lerp(rotateDirection, 0, 0.2f);
                        }
                        else
                        {
                            rotateDirection = 0;
                        }
                    }
                }
                transform.rotation *= Quaternion.Lerp(new Quaternion(), Quaternion.Euler(0, 0, rotationSpeed * rotateDirection), Time.deltaTime);
            }
        }
        else
        {
            targets.Remove(target);
        }
    }

    void OnTriggerEnter2D(Collider2D other)
    {

        targets.Add(other.transform);
    }

    void OnTriggerExit2D(Collider2D other)
    {
        targets.Remove(other.transform);
    }

[System.Serializable]
public class TurretCannon {

    public GameObject Bullet;
    public Transform ShootPoint;
    public float ShootRate;

    public AudioClip ShootSound;
    public float ShootingVolume;

    public IEnumerator Shoot()
    {
        yield return new WaitForSeconds(ShootRate);
        MonoBehaviour.Instantiate(Bullet, ShootPoint.position, ShootPoint.rotation);
        AudioSource.PlayClipAtPoint(ShootSound, ShootPoint.position,ShootingVolume);
    }
}

public List<Transform> targets = new List<Transform>();
    // Цели, но без тех, что не нужны, т.е без тех, которые не соответствуют тегу или находятся за препятствием
    List<Transform> separatedTargets = new List<Transform>();
    public Transform target;
    // скорость вращения
    public float rotationSpeed = 1F;
    //мертвая зона вращения (чтобы турель не дергалась при x=0)
    public float deadZone = 0.1F;
    //направление вращения ( "0" - не вращать, "1" - вправо и "-1" - влево)
    private float rotateDirection = 0;

    public GameObject Bullet;
    public bool IsShooting;

    public int layerMask = 1 << 8;

    public float Rate = 1;

    public TurretCannon[] Cannons;

    //public bool IsShootingRaty = true;

    void Start()
    {
    }

    public void Shoot()
    {
        for (int i = 0; i < Cannons.Length; i++)
        {
            if (!Cannons[i].Shooted)
            {
                StartCoroutine(Cannons[i].Shoot());
            }
        }
    }
    

    void LateUpdate()
    {
        if (IsShooting)
        {
            Shoot();
        }
        if (targets.Count > 0)
        {
            List<float> distances = new List<float>();
            for (int i = 0; i < targets.Count; i++)
            {
                if (targets[i].tag != "StaticObject" && targets[i].tag != "TurretFriendly" && targets[i].tag != "TurretIgnore" && !Physics2D.Linecast(this.transform.position, targets[i].position,layerMask))
                {
                    separatedTargets.Add(targets[i]);
                    distances.Add(Vector2.Distance(this.transform.position, targets[i].position));
                }
            }
            Debug.Log(distances.Count);

            target = separatedTargets[distances.IndexOf(distances.Min())];
            if (target)
            {
                if (transform.InverseTransformPoint(target.position).x > deadZone / 2)
                {
                    IsShooting = false;
                    rotateDirection = Mathf.Lerp(rotateDirection, -1, 0.2f);
                }
                else if (transform.InverseTransformPoint(target.position).x < -deadZone / 2)
                {
                    IsShooting = false;
                    rotateDirection = Mathf.Lerp(rotateDirection, 1, 0.2f);
                }
                else
                {
                    if (transform.InverseTransformPoint(target.position).y < 0) rotateDirection = Mathf.Lerp(rotateDirection, 1, 0.2f);
                    else
                    {
                        IsShooting = true;
                        if (rotateDirection > Mathf.Min(rotateDirection, 0) | rotateDirection < Mathf.Max(rotateDirection, 0))
                        {
                            rotateDirection = Mathf.Lerp(rotateDirection, 0, 0.2f);
                        }
                        else
                        {
                            rotateDirection = 0;
                        }
                    }
                }
                transform.rotation *= Quaternion.Lerp(new Quaternion(), Quaternion.Euler(0, 0, rotationSpeed * rotateDirection), Time.deltaTime);
            }
        }
        else
        {

            IsShooting = false;
            if (rotateDirection > Mathf.Min(rotateDirection, 0) | rotateDirection < Mathf.Max(rotateDirection, 0))
            {
                rotateDirection = Mathf.Lerp(rotateDirection, 0, 0.2f);
            }
            else
            {
                rotateDirection = 0;
            }
            targets.Remove(target);
        }
    }

    void OnTriggerEnter2D(Collider2D other)
    {

        targets.Add(other.transform);
    }

    void OnTriggerExit2D(Collider2D other)
    {
        targets.Remove(other.transform);
    }

[System.Serializable]
public class TurretCannon
{

    public GameObject Bullet;
    public Transform ShootPoint;
    public float ShootRate;

    public AudioClip ShootSound;
    public float ShootingVolume;

    [HideInInspector]
    public bool Shooted = false;

    public IEnumerator Shoot()
    {
        Shooted = true;
        yield return new WaitForSeconds(ShootRate);
        MonoBehaviour.Instantiate(Bullet, ShootPoint.position, ShootPoint.rotation);
        AudioSource.PlayClipAtPoint(ShootSound, ShootPoint.position, ShootingVolume);
        Shooted = false;
    }

}