99 lines
3.5 KiB
C#
99 lines
3.5 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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public class VehicleSpawner : MonoBehaviour
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{
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public List<GameObject> vehiclePrefabs; // 所有可用的车辆预制体
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public Transform[] spawnPoints; // 生成点
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public Vector2 IntervalBetweenWave = new Vector2(6f, 10f); // 生成间隔
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public int minSpawnCount = 1; // 最少生成车辆数
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public int maxSpawnCount = 3; // 最多生成车辆数
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public Vector2 IntervalBetweenVehicle = new Vector2(1f, 3f); // 车辆生成间隔
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public float destroyAfterSeconds = 10f; // 生成多少秒后销毁
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void Start()
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{
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StartCoroutine(SpawnCoroutine()); // 进入循环
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}
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private IEnumerator SpawnCoroutine()
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{
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while (true)
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{
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int spawnCount = Random.Range(minSpawnCount, maxSpawnCount + 1); // 确保包含 maxSpawnCount
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List<GameObject> selectedVehicles = PickUpVehiclesToSpawn(spawnCount); // 选定本轮要生成的车辆
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foreach (GameObject vehiclePrefab in selectedVehicles)
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{
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SpawnVehicle(vehiclePrefab);
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yield return new WaitForSeconds(Random.Range(IntervalBetweenVehicle.x, IntervalBetweenVehicle.y)); // 车辆生成间隔
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}
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yield return new WaitForSeconds(Random.Range(IntervalBetweenWave.x, IntervalBetweenWave.y)); // 等待下一轮生成
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}
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}
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private void SpawnVehicle(GameObject vehiclePrefab)
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{
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Transform spawnPoint = spawnPoints[Random.Range(0, spawnPoints.Length)]; // 随机选择生成点
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GameObject obj = Instantiate(vehiclePrefab, spawnPoint.position, Quaternion.identity, this.transform);
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// 添加按时间销毁组件
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obj.AddComponent<DestroyByTime>().Initialize(destroyAfterSeconds);
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}
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private List<GameObject> PickUpVehiclesToSpawn(int num)
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{
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List<GameObject> availableVehicles = GetAvailableVehicles(); // 获取当前可用的车辆
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List<GameObject> selectedVehicles = new List<GameObject>();
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if (availableVehicles.Count == 0) return selectedVehicles; // 如果没有可用车辆，直接返回空列表
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int spawnCount = Mathf.Min(num, availableVehicles.Count); // 确保不会超过可用车辆数
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for (int i = 0; i < spawnCount; i++)
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{
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int randomIndex = Random.Range(0, availableVehicles.Count);
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selectedVehicles.Add(availableVehicles[randomIndex]);
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// ✅ 立即从列表中移除，确保不会重复选择
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availableVehicles.RemoveAt(randomIndex);
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}
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return selectedVehicles;
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}
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private List<GameObject> GetAvailableVehicles()
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{
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List<GameObject> available = new List<GameObject>(vehiclePrefabs); // 复制所有车辆
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GameObject[] existingVehicles = GameObject.FindGameObjectsWithTag("Vehicle"); // 获取当前场景中的车辆
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// 遍历场景中已经存在的车辆
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foreach (GameObject existing in existingVehicles)
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{
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string existingName = existing.name.Replace("(Clone)", "").Trim();
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available.RemoveAll(c => c.name == existingName);
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}
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return available;
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}
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}
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public class DestroyByTime : MonoBehaviour
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{
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private float lifetime;
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public void Initialize(float seconds)
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{
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lifetime = seconds;
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StartCoroutine(DestroyAfterTime());
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}
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private IEnumerator DestroyAfterTime()
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{
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yield return new WaitForSeconds(lifetime);
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Destroy(gameObject);
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}
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} |