몬스터 생성 박스 콜라이더

 

플레이어가 콜라이더 박스에 접근하면 몬스터 스폰, 최대치 도달하면 멈춤, 적 개체 죽으면 최대치까지 다시 증가.

 

using System.Collections;

using System.Collections.Generic;

using UnityEngine;

using UnityEngine.Events;

public class EnemySpawnBox_1 : MonoBehaviour

{  

    public string compareTag;

    public UnityEvent onTriggerExitEvent;

    public UnityEvent onTriggerStayEvent;

    public bool enableSpawn = false;

    public GameObject[] enemiesPrefabs;

    private BoxCollider2D area;

    public int enemyVisibleLimit;

    public int enemySpawnLimit;

    private List<GameObject> gameObjects = new List<GameObject>();

    public void OnTriggerExit2D(Collider2D collision)

    {

        if (collision.gameObject.CompareTag(compareTag))

        {

            onTriggerExitEvent.Invoke();

            enableSpawn = false;

        }

    }

    public void OnTriggerStay2D(Collider2D collision)

    {

        if (collision.gameObject.CompareTag(compareTag))

        {

            onTriggerStayEvent.Invoke();

            enableSpawn = true;

        }

    }

    void Start()

    {

        area = GetComponent<BoxCollider2D>();

        area.enabled = true;

       

        InvokeRepeating("SpawnBox", 0, 2);

    }

    private Vector3 GetRandomPosition()

    {

        Vector3 basePosition = transform.position;

        Vector3 size = area.size;

        float posX = basePosition.x + Random.Range(-size.x / 2f, size.x / 2f);

        float posY = basePosition.y + Random.Range(-size.y / 2f, size.y / 2f);

        float posZ = basePosition.z + Random.Range(-size.z / 2f, size.z / 2f);

        Vector3 spawnPos = new Vector3(posX, posY, posZ);

        return spawnPos;

    }

    private void SpawnBox()

    {

        if (enableSpawn)

        {

            Collider2D[] colliders = Physics2D.OverlapBoxAll(transform.position, area.size, 0);

            int enemyCount = 0;

            foreach (Collider2D collider in colliders)

            {

                if (collider.CompareTag("Player"))

                {

                    enemyCount++;

                }

            }

            if (enemyCount < enemyVisibleLimit && gameObjects.Count < enemySpawnLimit)

            {

                int selection = Random.Range(0, enemiesPrefabs.Length);

                GameObject selectedPrefab = enemiesPrefabs[selection];

                Vector3 spawnPos = GetRandomPosition();

                GameObject instance = Instantiate(selectedPrefab, spawnPos, Quaternion.identity);

                gameObjects.Add(instance);

            }

        }

        else

        {

            // If spawning is disabled, remove all the spawned objects from the list

            gameObjects.RemoveAll(obj => obj == null);

        }

    }

}