104 lines
4.0 KiB
C#
104 lines
4.0 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 CharacterSpawner : MonoBehaviour
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{
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public List<GameObject> characterPrefabs; // 所有可用的角色预制体
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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; // 最少生成角色数
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public int maxSpawnCount = 3; // 最多生成角色数
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public Vector2 IntervalBetweenCharacter = new Vector2(1f, 3f); // 角色生成间隔
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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> selectedCharacters = PickUpCharacterToSpawn(spawnCount); // 选定本轮要生成的角色
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foreach (GameObject characterPrefab in selectedCharacters)
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{
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SpawnCharacter(characterPrefab);
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yield return new WaitForSeconds(Random.Range(IntervalBetweenCharacter.x, IntervalBetweenCharacter.y)); // 角色生成间隔
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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 SpawnCharacter(GameObject characterPrefab)
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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(characterPrefab, spawnPoint.position, Quaternion.identity);
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BackgroundMoveableCharacter character = obj.GetComponent<BackgroundMoveableCharacter>();
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// 计算方向：左边出生向右走，右边出生向左走
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bool isFacingRight = character.defaultFacingRight;
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bool movingRight = spawnPoint.position.x < 0; // 左边生成则向右，右边生成则向左
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character.direction = movingRight ? Vector2.right : Vector2.left;
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// 设定目标边界（取决于方向）
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float leftBoundary = isFacingRight ? -15f : -4f;
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float rightBoundary = isFacingRight ? 15f : 6f;
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float targetBoundary = movingRight ? rightBoundary : leftBoundary;
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// 绑定边界检测脚本
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BoundaryDestroy boundaryDestroy = obj.AddComponent<BoundaryDestroy>();
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boundaryDestroy.SetBoundary(targetBoundary, movingRight);
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}
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private List<GameObject> PickUpCharacterToSpawn(int num)
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{
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List<GameObject> availableCharacters = GetAvailableCharacters(); // 获取当前可用的角色
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List<GameObject> selectedCharacters = new List<GameObject>();
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if (availableCharacters.Count == 0) return selectedCharacters; // 如果没有可用角色，直接返回空列表
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int spawnCount = Mathf.Min(num, availableCharacters.Count); // 确保不会超过可用角色数
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for (int i = 0; i < spawnCount; i++)
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{
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int randomIndex = Random.Range(0, availableCharacters.Count);
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selectedCharacters.Add(availableCharacters[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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availableCharacters.RemoveAt(randomIndex);
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}
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return selectedCharacters;
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}
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private List<GameObject> GetAvailableCharacters()
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{
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List<GameObject> available = new List<GameObject>(characterPrefabs); // 复制所有角色
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GameObject[] existingCharacters = GameObject.FindGameObjectsWithTag("MoveableCharacter"); // 获取当前场景中的角色
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// 遍历场景中已经存在的角色
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foreach (GameObject existing in existingCharacters)
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{
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BackgroundMoveableCharacter character = existing.GetComponent<BackgroundMoveableCharacter>();
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if (character != null)
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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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}
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return available;
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}
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}
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