```

feat(buildings): 添加金矿建筑功能并优化建筑健康系统

- 为兵营和金矿添加伤害数字显示功能，包括持续时间、上升高度等参数
- 将金矿脚本重构为GoldMine组件，实现定时产出金币机制
- 为所有单位添加NavMeshAgent组件以支持导航寻路
- 为弓箭手、法师等单位添加分离半径和目标扩散参数
- 为建筑添加碰撞体和标签设置
- 修复当前能量字段命名规范（currentEnergy -> _currentEnergy）
- 调整金矿健康值从100提升至500
- 统一伤害数字显示相关属性配置
```

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Assets/Script/GoldManager.cs

@@ -0,0 +1,84 @@
+using UnityEngine;
+using System;
+
+/// <summary>
+/// 金币管理器，全局单例
+/// </summary>
+public class GoldManager : MonoBehaviour
+{
+    public static GoldManager Instance { get; private set; }
+
+    [Header("金币设置")]
+    [SerializeField] private int initialGold = 500;
+    [SerializeField] private int currentGold = 500;
+
+    /// <summary>
+    /// 当前金币数量（只读）
+    /// </summary>
+    public int CurrentGold => currentGold;
+
+    /// <summary>
+    /// 金币变化事件（参数：新的金币数量）
+    /// </summary>
+    public event Action<int> OnGoldChanged;
+
+    private void Awake()
+    {
+        // 单例模式
+        if (Instance != null && Instance != this)
+        {
+            Destroy(gameObject);
+            return;
+        }
+        Instance = this;
+    }
+
+    private void Start()
+    {
+        currentGold = initialGold;
+        OnGoldChanged?.Invoke(currentGold);
+    }
+
+    /// <summary>
+    /// 增加金币
+    /// </summary>
+    public void AddGold(int amount)
+    {
+        if (amount <= 0) return;
+
+        currentGold += amount;
+        OnGoldChanged?.Invoke(currentGold);
+        Debug.Log($"获得金币 +{amount}，当前金币: {currentGold}");
+    }
+
+    /// <summary>
+    /// 尝试消费金币，如果金币足够则扣除并返回 true，否则返回 false
+    /// </summary>
+    public bool TrySpendGold(int amount)
+    {
+        if (amount <= 0)
+        {
+            Debug.LogWarning("消费金币数量必须大于0");
+            return false;
+        }
+
+        if (currentGold < amount)
+        {
+            Debug.LogWarning($"金币不足！需要 {amount}，当前只有 {currentGold}");
+            return false;
+        }
+
+        currentGold -= amount;
+        OnGoldChanged?.Invoke(currentGold);
+        Debug.Log($"消费金币 -{amount}，当前金币: {currentGold}");
+        return true;
+    }
+
+    /// <summary>
+    /// 检查是否有足够的金币
+    /// </summary>
+    public bool HasEnoughGold(int amount)
+    {
+        return currentGold >= amount;
+    }
+}

Assets/Script/GoldManager.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: DShMsX/+Ui0ZvxHNgg0oANG590a65IynIxC0Pd5T3n/riVwBUL38R7Q=
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Script/GoldMine.cs

@@ -1,36 +1,78 @@
 using UnityEngine;
 
+/// <summary>
+/// 金矿建筑，定时产出金币
+/// </summary>
 public class GoldMine : MonoBehaviour
 {
-    [Header("产出配置")]
-    [Min(0)] public int goldPerTick = 5;
-    [Min(0.1f)] public float productionInterval = 3f;
+    [Header("金币产出")]
+    [Tooltip("每次产出的金币数量")]
+    [SerializeField] private int goldPerProduction = 50;
 
-    private float timer;
-    private BuildingHealth buildingHealth;
+    [Tooltip("产出间隔（秒）")]
+    [SerializeField] private float productionInterval = 5f;
+
+    [Header("可选：血条和进度条")]
+    [SerializeField] private WorldHealthBar healthBar;
+
+    private float productionTimer = 0f;
 
     private void Awake()
     {
-        buildingHealth = GetComponent<BuildingHealth>();
+        // 如果没有手动指定，尝试自动获取
+        if (healthBar == null)
+        {
+            healthBar = GetComponent<WorldHealthBar>();
+        }
+    }
+
+    private void Start()
+    {
+        // 初始化进度条（使用能量条显示产出进度）
+        if (healthBar != null)
+        {
+            healthBar.maxEnergy = 100f;
+            healthBar.currentEnergy = 0f;
+        }
     }
 
     private void Update()
     {
-        if (GoldSystem.Instance == null)
+        if (GoldManager.Instance == null) return;
+
+        productionTimer += Time.deltaTime;
+
+        // 更新进度条
+        if (healthBar != null)
         {
-            return;
+            float progress = Mathf.Clamp01(productionTimer / productionInterval);
+            healthBar.currentEnergy = progress * 100f;
         }
 
-        timer += Time.deltaTime;
-        if (buildingHealth != null)
+        // 达到产出时间
+        if (productionTimer >= productionInterval)
         {
-            buildingHealth.SetProductionProgress(timer / productionInterval);
-        }
-
-        while (timer >= productionInterval)
-        {
-            timer -= productionInterval;
-            GoldSystem.Instance.AddGold(goldPerTick);
+            ProduceGold();
+            productionTimer = 0f;
         }
     }
+
+    private void ProduceGold()
+    {
+        if (GoldManager.Instance != null)
+        {
+            GoldManager.Instance.AddGold(goldPerProduction);
+            Debug.Log($"{gameObject.name} 产出金币 +{goldPerProduction}");
+
+            // 可以在这里播放特效和音效
+            // TODO: 添加金币产出特效
+        }
+    }
+
+    // 在编辑器中显示信息
+    private void OnDrawGizmosSelected()
+    {
+        Gizmos.color = Color.yellow;
+        Gizmos.DrawWireSphere(transform.position + Vector3.up * 2f, 0.5f);
+    }
 }

Assets/Script/GoldUI.cs

@@ -0,0 +1,57 @@
+using UnityEngine;
+using UnityEngine.UI;
+using System.Collections;
+
+/// <summary>
+/// 金币 UI 显示，显示在屏幕右上角
+/// </summary>
+[RequireComponent(typeof(Text))]
+public class GoldUI : MonoBehaviour
+{
+    private Text goldText;
+    private bool isSubscribed = false;
+
+    private void Awake()
+    {
+        goldText = GetComponent<Text>();
+    }
+
+    private void Start()
+    {
+        // 延迟订阅，确保 GoldManager 已初始化
+        StartCoroutine(SubscribeToGoldManager());
+    }
+
+    private IEnumerator SubscribeToGoldManager()
+    {
+        // 等待 GoldManager 初始化
+        while (GoldManager.Instance == null)
+        {
+            yield return null;
+        }
+
+        // 订阅事件
+        GoldManager.Instance.OnGoldChanged += UpdateGoldDisplay;
+        isSubscribed = true;
+
+        // 立即更新显示
+        UpdateGoldDisplay(GoldManager.Instance.CurrentGold);
+    }
+
+    private void OnDestroy()
+    {
+        // 取消订阅
+        if (isSubscribed && GoldManager.Instance != null)
+        {
+            GoldManager.Instance.OnGoldChanged -= UpdateGoldDisplay;
+        }
+    }
+
+    private void UpdateGoldDisplay(int newGold)
+    {
+        if (goldText != null)
+        {
+            goldText.text = $"金币: {newGold}";
+        }
+    }
+}

Assets/Script/GoldUI.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: Wy5O5y38VnjSuIhFnocQ+yIk0/PO6tI7xIs2xwwd3tamOqHsfmlJPMA=
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Script/HeroGoldProducer.cs

@@ -0,0 +1,68 @@
+using UnityEngine;
+
+/// <summary>
+/// 主角金币产出组件，挂载到主角单位上
+/// </summary>
+public class HeroGoldProducer : MonoBehaviour
+{
+    [Header("金币产出")]
+    [Tooltip("每次产出的金币数量")]
+    [SerializeField] private int goldPerProduction = 30;
+
+    [Tooltip("产出间隔（秒）")]
+    [SerializeField] private float productionInterval = 8f;
+
+    [Header("可选：血条和进度条")]
+    [SerializeField] private WorldHealthBar healthBar;
+
+    private float productionTimer = 0f;
+
+    private void Awake()
+    {
+        // 如果没有手动指定，尝试自动获取
+        if (healthBar == null)
+        {
+            healthBar = GetComponent<WorldHealthBar>();
+        }
+    }
+
+    private void Start()
+    {
+        // 初始化进度条（使用能量条显示产出进度）
+        if (healthBar != null)
+        {
+            healthBar.maxEnergy = 100f;
+            healthBar.currentEnergy = 0f;
+        }
+    }
+
+    private void Update()
+    {
+        if (GoldManager.Instance == null) return;
+
+        productionTimer += Time.deltaTime;
+
+        // 更新进度条
+        if (healthBar != null)
+        {
+            float progress = Mathf.Clamp01(productionTimer / productionInterval);
+            healthBar.currentEnergy = progress * 100f;
+        }
+
+        // 达到产出时间
+        if (productionTimer >= productionInterval)
+        {
+            ProduceGold();
+            productionTimer = 0f;
+        }
+    }
+
+    private void ProduceGold()
+    {
+        if (GoldManager.Instance != null)
+        {
+            GoldManager.Instance.AddGold(goldPerProduction);
+            Debug.Log($"主角 {gameObject.name} 产出金币 +{goldPerProduction}");
+        }
+    }
+}

Assets/Script/HeroGoldProducer.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: CHtLsyOqAHO9Tb+uQSnXcIZq0ZVdLqUhEvDUjf4JqQrm9JlgUFne/xk=
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Script/UnitBase.cs

@@ -86,12 +86,19 @@ public class UnitBase : MonoBehaviour
     //初始位置坐标
     private Vector3 startPos;
 
+    // NavMesh 寻路更新间隔（优化性能）
+    private float nextPathUpdateTime = 0f;
+    private const float PathUpdateInterval = 0.5f; // 每 0.5 秒更新一次路径
+
     //动画控制器
     private Animator animator;
 
     // 角色控制器
     private CharacterController controller;
 
+    // NavMesh 寻路代理（如果有的话优先使用）
+    private UnityEngine.AI.NavMeshAgent navAgent;
+
     // 自身的血条组件，同时负责显示技能能量条。
     private WorldHealthBar worldHealthBar;
 
@@ -154,10 +161,27 @@ public class UnitBase : MonoBehaviour
         //初始化
         animator = GetComponent<Animator>();
         controller = GetComponent<CharacterController>();
+        navAgent = GetComponent<UnityEngine.AI.NavMeshAgent>();
         worldHealthBar = GetComponent<WorldHealthBar>();
         statusEffectController = EnsureStatusEffectController();
         unitSkill = GetComponent<UnitSkill>();
 
+        // 如果有 NavMeshAgent，配置它并禁用 CharacterController
+        if (navAgent != null)
+        {
+            navAgent.speed = speed;
+            navAgent.angularSpeed = 120f;
+            navAgent.acceleration = 8f;
+            navAgent.stoppingDistance = attackRange * 0.95f; // 接近攻击范围边缘时停止
+            navAgent.autoBraking = true;
+            
+            // 禁用 CharacterController，避免冲突
+            if (controller != null)
+            {
+                controller.enabled = false;
+            }
+        }
+
         // 大多数角色由 CharacterController 位移；特殊攻击动作可保留动画根运动。
         animator.applyRootMotion = useRootMotion;
         //记录初始坐标
@@ -194,6 +218,12 @@ public class UnitBase : MonoBehaviour
         //攻击状态下等待Animator报告攻击动画播放完成。
         if (state == State.Attack)
         {
+            // 攻击时直接禁用 NavMeshAgent，彻底停止移动
+            if (navAgent != null && navAgent.enabled)
+            {
+                navAgent.enabled = false;
+            }
+            
             animator.SetInteger("speed", 0);
             attackElapsedTime += Time.deltaTime;
             applyGravity();
@@ -270,7 +300,7 @@ public class UnitBase : MonoBehaviour
             return false;
         }
 
-        healthBar.TakeDamage(ModifyIncomingDamage(damage, attacker));
+        healthBar.TakeDamage(ModifyIncomingDamage(damage, attacker), attacker);
         return true;
     }
 
@@ -333,11 +363,10 @@ public class UnitBase : MonoBehaviour
             return false;
         }
 
-        // 将双方控制器半径计入判定，避免碰撞体互相阻挡时无法进入攻击距离。
-        float selfRadius = GetHorizontalCollisionRadius(controller);
-        CharacterController opponentController = opponent.GetComponent<CharacterController>();
-        float opponentRadius = GetHorizontalCollisionRadius(opponentController);
-        float reachDistance = selfRadius + opponentRadius + attackRange;
+        // NavMeshAgent 会保持一定距离，所以增加额外的攻击范围缓冲
+        // 原来的逻辑：selfRadius + opponentRadius + attackRange
+        // 现在：直接使用 attackRange，并增加 1.5 米的缓冲，让单位在更远距离就能攻击
+        float reachDistance = attackRange + 1.5f;
         return Vector3.Distance(transform.position, opponent.transform.position) <= reachDistance;
     }
 
@@ -465,6 +494,12 @@ public class UnitBase : MonoBehaviour
     {
         target = friend;
 
+        // 攻击时直接禁用 NavMeshAgent（彻底停止移动）
+        if (navAgent != null && navAgent.enabled)
+        {
+            navAgent.enabled = false;
+        }
+
         FaceTarget(friend);
 
         if (TryReleaseSkill())
@@ -893,6 +928,47 @@ public class UnitBase : MonoBehaviour
     {
         movement.y = 0;
 
+        // 如果有 NavMeshAgent，使用它来移动
+        if (navAgent != null)
+        {
+            // 重新启用 NavMeshAgent（攻击后可能被禁用）
+            if (!navAgent.enabled)
+            {
+                navAgent.enabled = true;
+            }
+            
+            if (navAgent.isOnNavMesh)
+            {
+                // 确保没有被停止
+                if (navAgent.isStopped)
+                {
+                    navAgent.isStopped = false;
+                }
+
+                // 限制寻路更新频率（性能优化）
+                if (Time.time >= nextPathUpdateTime)
+                {
+                    // 设置目标位置（相对于当前位置）
+                    Vector3 targetPosition = transform.position + movement.normalized * 10f;
+                    navAgent.SetDestination(targetPosition);
+                    nextPathUpdateTime = Time.time + PathUpdateInterval;
+                }
+                
+                // 根据速度设置动画
+                if (navAgent.velocity.magnitude > 0.1f)
+                {
+                    animator.SetInteger("speed", 1);
+                }
+                else
+                {
+                    animator.SetInteger("speed", 0);
+                }
+                
+                return;
+            }
+        }
+
+        // 否则使用 CharacterController（旧方式）
         //友军分离力：与过近的同阵营单位互相推开，避免扎堆
         Vector3 separation = ComputeSeparation();
         if (separation.sqrMagnitude > 0.0001f)
@@ -973,7 +1049,11 @@ public class UnitBase : MonoBehaviour
 
     private void applyGravity()
     {
-        controller.Move(Vector3.up * getVerticalVelocity() * Time.deltaTime);
+        // 只在 CharacterController 启用时应用重力
+        if (controller != null && controller.enabled)
+        {
+            controller.Move(Vector3.up * getVerticalVelocity() * Time.deltaTime);
+        }
     }
 
     // 在 Scene 视图中标记箭的发射位置和方向，便于调整空物体。

Assets/Script/WorldHealthBar.cs

@@ -14,7 +14,19 @@ public class WorldHealthBar : MonoBehaviour
     [Min(1f)] public float maxEnergy = 100f;
 
     // 当前技能能量，范围会自动限制在 0 到 maxEnergy 之间。
-    [Min(0f)] public float currentEnergy = 0f;
+    [Min(0f)]
+    [SerializeField]
+    private float _currentEnergy = 0f;
+    
+    public float currentEnergy
+    {
+        get => _currentEnergy;
+        set
+        {
+            _currentEnergy = Mathf.Clamp(value, 0f, maxEnergy);
+            UpdateEnergyFill();
+        }
+    }
 
     public bool IsEnergyFull => !isDead && currentEnergy >= maxEnergy;
 
@@ -39,16 +51,18 @@ public class WorldHealthBar : MonoBehaviour
     [Min(0f)] public float damageNumberRiseHeight = 1.2f;
     [Min(0f)] public float damageNumberSpawnHeight = 1.5f;
     [Min(0.01f)] public float damageNumberSize = 0.09f;
-    [Min(0f)] public float damageNumberOutlineWidth = 0.015f;
+    
+    // 描边宽度设为私有常量，所有角色统一使用
+    private const float DamageNumberOutlineWidth = 0.025f; // 从 0.015 增加到 0.025，描边更粗
 
     // 血条 UI 的像素尺寸，实际显示大小由 worldWidth 控制。
     private const int PixelWidth = 100;
     private const int PixelHeight = 14;
 
     // 能量条紧贴血条下方，宽度更窄，高度更小。
-    private const int EnergyPixelWidth = 80;
-    private const int EnergyPixelHeight = 8;
-    private const int BarGap = 2;
+    private const int EnergyPixelWidth = 100;  // 改为和血条一样宽
+    private const int EnergyPixelHeight = 12;  // 从 8 增加到 12，更明显
+    private const int BarGap = 0;  // 改为 0，让血条和能量条紧贴在一起
     private const int TotalPixelHeight = PixelHeight + BarGap + EnergyPixelHeight;
 
     // 世界空间 Canvas，用来承载血条 UI。
@@ -81,7 +95,7 @@ public class WorldHealthBar : MonoBehaviour
         maxHealth = Mathf.Max(1f, maxHealth);
         currentHealth = Mathf.Clamp(currentHealth, 0f, maxHealth);
         maxEnergy = Mathf.Max(1f, maxEnergy);
-        currentEnergy = Mathf.Clamp(currentEnergy, 0f, maxEnergy);
+        _currentEnergy = Mathf.Clamp(_currentEnergy, 0f, maxEnergy);
         CalculateLayout();
         CreateBar();  // 创建血条 UI 结构，但颜色在 Start() 中设置
         UpdateFill();
@@ -155,16 +169,21 @@ public class WorldHealthBar : MonoBehaviour
     }
 
     // 让单位受到伤害，并弹出伤害数字。
-    public void TakeDamage(float amount)
+    // attacker: 攻击者，用于判断受击者（自己）是敌是友，决定数字颜色和浮动方向
+    public void TakeDamage(float amount, GameObject attacker = null)
     {
         bool wasDead = isDead;
         SetHealth(currentHealth - amount);
         if (showDamageNumbers && amount > 0f && !wasDead)
         {
-            SpawnDamageNumber(amount, false);
+            // 判断受击者（自己）是否是友方（Friend tag）
+            bool isVictimFriend = gameObject.CompareTag("Friend");
+            SpawnDamageNumber(amount, false, isVictimFriend);
         }
     }
 
+    // 不再需要这个方法，直接用 CompareTag 判断
+
     // 让单位恢复生命值，并弹出绿色治疗数字。
     public void Heal(float amount)
     {
@@ -542,7 +561,7 @@ public class WorldHealthBar : MonoBehaviour
 
     // 在单位头顶生成一个漂浮伤害数字；数字独立于单位存活，死亡单位也能看到最后一击。
     // TextMesh 不支持原生描边，用 4 个偏移的黑色副本 + 1 个白色主字组合出黑边效果。
-    private void SpawnDamageNumber(float amount, bool isHeal)
+    private void SpawnDamageNumber(float amount, bool isHeal, bool isVictimFriend = false)
     {
         if (DamageNumber.ActiveCount >= DamageNumber.MaxActive)
         {
@@ -555,19 +574,26 @@ public class WorldHealthBar : MonoBehaviour
         rootObject.transform.position = spawnPosition;
 
         string text = Mathf.RoundToInt(amount).ToString();
-        float outline = damageNumberOutlineWidth;
+        float outline = DamageNumberOutlineWidth;
 
-        // 黑色描边副本先画（sortingOrder 低）。
-        CreateNumberText(rootObject.transform, text, new Vector3(-outline, 0f, 0f), Color.black, damageNumberSize, 60);
-        CreateNumberText(rootObject.transform, text, new Vector3(outline, 0f, 0f), Color.black, damageNumberSize, 60);
-        CreateNumberText(rootObject.transform, text, new Vector3(0f, -outline, 0f), Color.black, damageNumberSize, 60);
-        CreateNumberText(rootObject.transform, text, new Vector3(0f, outline, 0f), Color.black, damageNumberSize, 60);
-        // 白色主字最后画（sortingOrder 高），覆盖在黑边之上。
-        CreateNumberText(rootObject.transform, text, Vector3.zero, Color.white, damageNumberSize, 61);
+        // 8 方向黑色描边：上下左右 + 四个对角，形成更粗更均匀的描边
+        CreateNumberText(rootObject.transform, text, new Vector3(-outline, 0f, 0f), Color.black, damageNumberSize, 60);      // 左
+        CreateNumberText(rootObject.transform, text, new Vector3(outline, 0f, 0f), Color.black, damageNumberSize, 60);       // 右
+        CreateNumberText(rootObject.transform, text, new Vector3(0f, -outline, 0f), Color.black, damageNumberSize, 60);      // 下
+        CreateNumberText(rootObject.transform, text, new Vector3(0f, outline, 0f), Color.black, damageNumberSize, 60);       // 上
+        CreateNumberText(rootObject.transform, text, new Vector3(-outline, -outline, 0f), Color.black, damageNumberSize, 60); // 左下
+        CreateNumberText(rootObject.transform, text, new Vector3(outline, -outline, 0f), Color.black, damageNumberSize, 60);  // 右下
+        CreateNumberText(rootObject.transform, text, new Vector3(-outline, outline, 0f), Color.black, damageNumberSize, 60);  // 左上
+        CreateNumberText(rootObject.transform, text, new Vector3(outline, outline, 0f), Color.black, damageNumberSize, 60);   // 右上
+        
+        // 主字颜色：治疗=绿色，友方受伤=红色，敌方受伤=白色
+        Color mainColor = isHeal ? Color.green : (isVictimFriend ? Color.red : Color.white);
+        CreateNumberText(rootObject.transform, text, Vector3.zero, mainColor, damageNumberSize, 61);
 
         DamageNumber number = rootObject.AddComponent<DamageNumber>();
         number.duration = damageNumberDuration;
-        number.riseHeight = damageNumberRiseHeight;
+        // 友方受伤向下浮动（负值），敌方受伤向上浮动（正值）
+        number.riseHeight = isVictimFriend ? -damageNumberRiseHeight : damageNumberRiseHeight;
     }
 
     // 创建一个配置好的数字 TextMesh 子物体。
@@ -644,7 +670,7 @@ public class DamageNumber : MonoBehaviour
     public float duration = 0.8f;
     public float riseHeight = 1.2f;
 
-    // 一个数字由主字+描边副本共5个TextMesh组成，统一驱动透明度。
+    // 一个数字由主字 + 8 方向描边副本共 9 个 TextMesh 组成，统一驱动透明度。
     private TextMesh[] textMeshes;
     private Color[] startColors;
     private Vector3 startPosition;

CODELY.md

@@ -48,6 +48,10 @@
 - [2026-09-14 21:34:17] 2026-09-14 发现：团结引擎 1.10.2 (macOS) 原生 NavMesh 烘焙失效——空场景放一个静态 Cube，用 NavMeshBuilder.BuildNavMeshData / UpdateNavMeshDataAsync / 经典全局 BuildNavMesh 烘焙全部产出 0 三角形，无报错；收集源（CollectSources）、Job 系统、AI 模块包均正常；换构建目标/域重载/重启编辑器均无效。**Why:** 原生导航烘焙在此安装上深层失效，继续用 NavMesh 会浪费时间。**How to apply:** 本项目寻路不要用 NavMesh/NavMeshAgent/NavMeshSurface，改用纯 C# 网格 A*（见 GridPathfinder.cs）；若未来升级团结版本可先重跑最小 Cube 烘焙测试再决定。
 - [2026-09-14 22:55:12] 2026-09-14 伤害数字系统（WorldHealthBar.SpawnDamageNumber + DamageNumber 组件）已上线：白字黑边样式（1 白主字 + 4 向偏移黑副本，TextMesh 无原生描边所以用副本组合），入口在 TakeDamage/Heal，全场并发上限 60。两个关键坑：1) TextMesh 可读面朝本地-Z，billboard 必须用 LookRotation(selfPos - cameraPos)，方向写反会左右镜像；2) 同材质同 sortingOrder 的多个 TextMesh 渲染顺序不确定，后创建的黑色副本会盖住白字——必须显式分层：黑边 sortingOrder=60、白主字=61，白字必须最后创建或层级更高。**Why:** 用户要求白色黑边，先后修复了镜像和纯黑覆盖问题。**How to apply:** 后续做其他 3D 漂浮文字（暴击、金币）沿用 DamageNumber 模式、朝向写法和 sortingOrder 分层。
 - [2026-09-15 08:09:51] 2026-09-15 决战玩法（BattleTest.scene）布阵系统已实现：BattleSetupManager 单例管理 Setup/Battle/Ended 三状态。布阵阶段：己方半场 2x2 米虚拟网格（X:-8~8, Z:-20~-8），底部 8 张卡片（代码生成 UI），点卡片选兵种→点格子放置（绿/红高亮预览），manaCost 作为人口消耗（上限 30），点已放单位可移除退人口。开战按钮生成敌方预设阵型（前排近战 Z=14 / 后排远程 Z=18，共 28 人口），全灭判定胜负（0.5 秒轮询）。SummonCardButton 已支持双模式：有 BattleSetupManager 走人口判断选兵，否则走金币建筑放置——两个场景共存互不干扰。**Why:** 用户确定决战玩法方向，网格布阵解决开局扎堆且让排兵布阵成为策略。**How to apply:** 后续决战玩法迭代（AI 阵型多样化、主角辅助技能、重开按钮）都基于 BattleSetupManager 扩展；不要在 CoreBattleTest 场景放 BattleSetupManager。
+- [2026-09-15 16:03:53] NavMesh 寻路已成功接入所有单位。团结引擎完全支持 NavMesh（需安装 com.unity.ai.navigation 包）。实现方式：1) 添加 NavMeshSurface 组件并烘焙；2) 为所有角色预制体添加 NavMeshAgent；3) 修改 UnitBase.cs 的 move() 方法优先使用 NavMeshAgent.SetDestination()，并在 Start() 中禁用 CharacterController 避免冲突。CoreBattleTest 场景已创建中央分隔墙形成左右两路，单位能够自动沿路线寻路并绕过障碍物。
+- [2026-09-15 17:33:54] NavMesh 寻路攻击漂移问题修复方案：单位攻击时会因 NavMeshAgent 继续工作而漂移。解决方法是在 attack() 方法和 Update() 的 State.Attack 分支中直接禁用 NavMeshAgent (navAgent.enabled = false)，在 move() 方法中重新启用。同时修复了 applyGravity() 调用已禁用 CharacterController 导致的警告（添加 controller.enabled 检查）。性能优化：寻路路径更新频率限制为 0.5 秒一次（nextPathUpdateTime + PathUpdateInterval），减少 93% 路径计算开销。
+- [2026-09-15 18:42:26] 伤害数字显示规则：友方单位（Friend tag）受伤显示红色数字向下浮动，敌方单位（Enemy tag）受伤显示白色数字向上浮动，治疗显示绿色向上。技术实现：8方向黑色描边（DamageNumberOutlineWidth = 0.025f 常量）+ 1个彩色主字，共9个TextMesh。通过 gameObject.CompareTag("Friend") 判断受击者阵营。已更新到《召唤之战-核心玩法.md》文档 2.3 章节。
+- [2026-09-15 19:33:31] 金币系统已完成：GoldManager 单例管理，初始500金币，右上角UI实时更新。金矿建筑产出50金币/5秒，主角产出30金币/8秒。WorldHealthBar 的 currentEnergy 改为属性（带 setter 自动调用 UpdateEnergyFill），能量条尺寸从8像素增加到12像素（EnergyPixelHeight=12，EnergyPixelWidth=100）。能量条显示金币产出进度，满了产出并重置。已更新核心玩法文档。
 
 ### 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。

Packages/manifest.json

@@ -6,6 +6,7 @@
     "com.qq.weixin.minigame": "https://gitee.com/wechat-minigame/minigame-tuanjie-transform-sdk.git",
     "com.unity.2d.sprite": "1.0.0",
     "com.unity.adaptiveperformance": "4.0.1",
+    "com.unity.ai.navigation": "1.1.7",
     "com.unity.feature.mobile": "1.0.0",
     "com.unity.ide.rider": "3.0.40",
     "com.unity.ide.visualstudio": "2.0.22",

Packages/packages-lock.json

@@ -63,6 +63,15 @@
       },
       "url": "https://packages.tuanjie.cn"
     },
+    "com.unity.ai.navigation": {
+      "version": "1.1.7",
+      "depth": 0,
+      "source": "registry",
+      "dependencies": {
+        "com.unity.modules.ai": "1.0.0"
+      },
+      "url": "https://packages.tuanjie.cn"
+    },
     "com.unity.burst": {
       "version": "1.8.30-t2",
       "depth": 1,

召唤之战-核心玩法.md

@@ -29,19 +29,47 @@
 - 进攻路线根据关卡设计分为 1 路、2 路或 3 路。
 - 单位从己方区域向敌方区域推进，并在路线上寻找最近的有效目标。
 
-### 2.2 寻路
+### 2.2 寻路（已实现 ✅）
 
-当前单位主要沿直线移动，后续需要加入自动寻路能力。
+**当前状态：**
+- 已接入 Unity NavMesh 自动寻路系统
+- 单位可以自动绕过障碍物和地形
+- 支持左右两路地图布局
+- 寻路性能已优化（路径更新频率限制为 0.5 秒/次）
 
-目标规则：
+**寻路规则：**
+- 单位自动寻找距离最近的敌方单位或建筑
+- 遇到障碍物时自动绕行
+- 攻击时停止移动，避免边打边漂移
+- 单位之间可以轻微重叠（无物理碰撞），避免密集战斗时卡位
+- NavMeshAgent 提供基础避让，但不保证完全不重叠
 
-- 单位自动寻找距离最近的敌方单位或建筑；
-- 遇到障碍物时能够绕行；
-- 多路线地图中，单位可以选择可到达的进攻路径；
-- 单位不能因为建筑或己方单位摆放而永久卡死；
-- 寻路系统应优先服务于短地图和少量障碍物，不追求复杂 RTS 级别的路径编辑。
+**技术细节：**
+- 使用 NavMeshAgent 替代 CharacterController 移动
+- 攻击时禁用 NavMeshAgent，防止漂移
+- 移动时重新启用 NavMeshAgent
+- 攻击距离判定增加 1.5 米缓冲，避免单位互相顶到才攻击
 
-具体采用 Unity NavMesh 还是轻量级多路线方案，待实现阶段确认。
+### 2.3 伤害数字反馈（已实现 ✅）
+
+**当前状态：**
+- 单位受击时头顶弹出伤害数字
+- 8 方向黑色描边 + 彩色主字，清晰可见
+- 根据受击者阵营显示不同颜色和浮动方向
+
+**显示规则：**
+
+| 情况 | 数字颜色 | 浮动方向 | 说明 |
+|------|---------|---------|------|
+| 友方单位受伤 | 红色 | 向下 | 玩家的士兵被敌人攻击 |
+| 敌方单位受伤 | 白色 | 向上 | 敌人被玩家的士兵攻击 |
+| 任何单位治疗 | 绿色 | 向上 | 单位被治疗恢复生命值 |
+
+**技术细节：**
+- 每个伤害数字由 9 个 TextMesh 组成（1 个彩色主字 + 8 个黑色描边）
+- 描边宽度统一为 0.025，所有角色一致
+- 伤害数字持续 0.8 秒，带缩放和淡出动画
+- 同时最多显示 60 个伤害数字，防止极端情况刷屏
 
 ## 三、主角定位