95 lines
2.4 KiB
C#
95 lines
2.4 KiB
C#
/*
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* author: ryan lin
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* date: 08/08/2024
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* description: to cull and spawn AI people
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*/
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using Random = System.Random;
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/// <summary>
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/// to cull and spawn AI people
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/// </summary>
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public class AIManager : MonoBehaviour
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{
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/// <summary>
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/// a reference to the player
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/// </summary>
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public Transform player;
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/// <summary>
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/// the distance of which the AI would be "killed"
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/// </summary>
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public float cullingDistance;
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/// <summary>
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/// the prefab to spawn
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/// </summary>
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public GameObject aiPrefab;
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/// <summary>
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/// the maximum number of AI that can be spawned at any time
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/// </summary>
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public int maxAI;
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/// <summary>
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/// An array that contains the game objects of the AI objects
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/// </summary>
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private GameObject[] _ais;
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/// <summary>
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/// a temporary float to find the distance between the player and the AI
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/// </summary>
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private float _distance;
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/// <summary>
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/// AI Spawn locations
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/// </summary>
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[SerializeField]private List<Transform> aiSpawn;
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/// <summary>
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/// to start the manager loop
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/// </summary>
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private void Start()
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{
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StartCoroutine(Manager());
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}
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/// <summary>
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/// to show the range in the inspector when the object is selected
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/// </summary>
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private void OnDrawGizmosSelected()
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{
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Gizmos.color = Color.yellow;
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Gizmos.DrawWireSphere(player.position, cullingDistance);
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}
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/// <summary>
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/// to allow the IEnumerator to destroy or instantiate AI
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/// </summary>
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private IEnumerator Manager()
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{
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while (true)
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{
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// FIXME: feels weird
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_ais = GameObject.FindGameObjectsWithTag("AIs");
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if (_ais.Length < maxAI)
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{
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var rand = new Random();
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var spawnNo=rand.Next(0, aiSpawn.Count);
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var instance = Instantiate(aiPrefab, aiSpawn[spawnNo]);
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}
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foreach (var i in _ais)
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{
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_distance = Vector3.Distance(i.transform.position, player.position);
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if (_distance > cullingDistance) Destroy(i.gameObject);
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}
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yield return new WaitForSeconds(1);
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}
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}
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} |