```

feat(gameplay): 更新法师主角预制体和法师生怪功能

- 添加了召唤师主角预制体文件
- 更新法师生怪预制体，替换为新的火球弹道效果
- 修复投射物斜向发射问题，统一使用Quaternion.identity旋转

fix(projectile): 修复远程投射物旋转和目标锁定问题

- 修正Projectile组件，让投射物保持水平飞行并始终朝向目标
- 修改UnitBase中投射物实例化逻辑，不再传递spawn point的旋转
- 解决法师/弓箭手attackPos骨骼动画影响导致火球和箭矢斜向发射的问题

refactor(texture): 优化火焰球纹理导入设置

- 禁用mipmap以提升显示效果
- 启用alpha透明度支持
- 将纹理类型改为Sprite模式
- 启用wrap模式改善渲染表现

docs(update): 记录远程弹道视觉方案调整和投射物修复说明
```

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Assets/Prefabs/第一章/法师.prefab

@@ -215,7 +215,7 @@ MonoBehaviour:
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   attackDuration: 2.4
   attackType: 2
-  projectilePrefab: {fileID: 3410584434205606752, guid: ea38dfd40c228456e8e1c98952673009,
+  projectilePrefab: {fileID: 4171736658291362950, guid: af4d8a89a285d9f4b831a024be8e34f4,
     type: 3}
   projectileSpawnPoint: {fileID: 7498589538563774666}
   projectileSpeed: 20

Assets/Script/Projectile.cs

@@ -71,6 +71,9 @@ public class Projectile : MonoBehaviour
             return;
         }
 
+        // 投射物保持水平飞行，并让根节点前方始终指向当前目标。
+        transform.rotation = Quaternion.LookRotation(direction, Vector3.up);
+
         if (Physics.Raycast(transform.position, direction, out RaycastHit hit, distance))
         {
             TryHit(hit.collider.gameObject);

Assets/Script/UnitBase.cs

@@ -944,7 +944,7 @@ public class UnitBase : MonoBehaviour
         GameObject projectileObject = Instantiate(
             projectilePrefab,
             projectileSpawnPoint.position,
-            projectileSpawnPoint.rotation);
+            Quaternion.identity);
         Projectile projectile = projectileObject.GetComponent<Projectile>();
         if (projectile != null)
         {
@@ -967,7 +967,7 @@ public class UnitBase : MonoBehaviour
         GameObject projectileObject = Instantiate(
             projectilePrefab,
             projectileSpawnPoint.position,
-            projectileSpawnPoint.rotation);
+            Quaternion.identity);
         Projectile projectile = projectileObject.GetComponent<Projectile>();
         if (projectile != null)
         {

CODELY.md

@@ -86,6 +86,8 @@
 - [2026-09-21 11:10:20] 2026-09-21 UnitBase 目标锁定规则已更新：单位只有在没有有效目标时才寻敌；锁定后移动和攻击期间保持当前目标，新敌人不打断；当前目标死亡、失活或攻击状态下离开攻击范围时才解除锁定，下一帧重新寻敌。单位与建筑目标统一使用同一规则，并通过 WorldHealthBar.IsDead 判断死亡。
 - [2026-09-21 11:16:19] 2026-09-21 UnitBase 目标锁定规则修正：攻击状态一旦进入就不再寻敌，保持当前目标，避免多个单位奔向同一建筑时擦肩后切换目标。仅当当前目标死亡/失活，或因技能等原因不再满足攻击距离时才退出攻击状态；退出后才重新寻敌。单位和建筑目标统一使用同一规则。
 - [2026-09-21 14:26:28] 2026-09-21 据点目标规则修复：CrystalMineCapture 占领后会实时把 UnitTeam.teamId 改为蓝方/红方/中立；UnitBase.IsTargetValid 必须同时检查目标存活状态和目标是否仍属于敌方。出生使命建筑若已被己方占领或变为中立，应立即失效并回退攻击敌方主城堡。
+- [2026-09-22 10:58:17] 2026-09-21 远程弹道视觉方案调整建议：普通远程弹道继续使用 Projectile.cs 处理锁敌、飞行、碰撞和伤害；火球等圆形视觉优先使用 SpriteRenderer 始终朝向摄像机，不强制使用 Quad，以避免贴图方向难调。若有明显尾焰，再拆分核心 billboard 与按飞行方向旋转的尾焰层。
+- [2026-09-22 13:39:47] 2026-09-22 投射物斜向问题修复：UnitBase 发射普通攻击和技能投射物时，不再把骨骼下 attackPos.rotation 传给 Projectile 根节点，统一使用 Quaternion.identity；attackPos 只负责提供生成位置。原因是法师/弓箭手的 attackPos 挂在手骨骼下，会继承动画旋转导致火球和箭矢斜着出现。
 
 ### Reference
 - [2026-09-09 12:23:17] 飞行物脚本 Projectile.cs 负责锁敌追踪、碰撞检测和伤害结算。箭矢预制体 ArrowProjectile_White.prefab 已配置 Projectile 组件和 CapsuleCollider（Is Trigger）。远程单位需在攻击动画松弦帧添加 OnAttackEffect Event，并在 UnitBase 中设置 attackType=RangedProjectile、projectilePrefab、projectileSpawnPoint。