新增game hud字体

移除旧版血量控制

unity/Assets/2.5D Engine/Scripts/HealthSystem.cs

@@ -1,5 +1,5 @@
 using UnityEngine;
-using UnityEngine.SceneManagement;
+using GameFramework;
 namespace IndianOceanAssets.Engine2_5D
 {
     // Handles health, damage, and death for entities
@@ -27,15 +27,13 @@ namespace IndianOceanAssets.Engine2_5D
         {
             health -= damageAmount;
 
-            // Update UI if player
+            // If dead, trigger game over if player, then die
-            if (isPlayer)
-                HealthUI.Instance.UpdateHealthBar(maxHealth, health);
-
-            // If dead, reload scene if player, then die
             if (health <= 0)
             {
                 if (isPlayer)
-                    HealthUI.Instance.ReloadScene();
+                {
+                    GameManager.GameOver();
+                }
                 Die();
             }
         }

unity/Assets/2.5D Engine/Scripts/HealthUI.cs

@@ -1,38 +0,0 @@
-using UnityEngine;
-using UnityEngine.UI;
-using UnityEngine.SceneManagement;
-using System.Collections;
-namespace IndianOceanAssets.Engine2_5D
-{
-    // Handles updating and displaying the health UI
-    public class HealthUI : MonoBehaviour
-    {
-        [SerializeField] private Image healthFill; // UI image for health bar
-        public static HealthUI Instance; // Singleton instance
-
-        // Assigns singleton instance
-        private void Awake()
-        {
-            Instance = this;
-        }
-
-        // Updates the health bar fill based on health values
-        public void UpdateHealthBar(float maxHealth, float currentHealth)
-        {
-            healthFill.fillAmount = currentHealth / maxHealth;
-        }
-
-        // Starts coroutine to reload scene
-        public void ReloadScene()
-        {
-            StartCoroutine(_ReloadScene());
-        }
-
-        // Waits and reloads current scene
-        IEnumerator _ReloadScene()
-        {
-            yield return new WaitForSeconds(1f);
-            SceneManager.LoadScene(SceneManager.GetActiveScene().buildIndex);
-        }
-    }
-}

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unity/Assets/camera/facingcamera.cs

@@ -1,18 +1,25 @@
-using System.Collections;
-using System.Collections.Generic;
 using UnityEngine;
 
+/// <summary>
+/// Billboard 脚本 —— 让 Sprite 始终面朝相机，消除透视相机角度导致的 Sprite 变形。
+/// 挂到怪物/角色根物体上即可。
+/// </summary>
 public class facingcamera : MonoBehaviour
 {
-    // Start is called before the first frame update
+    private Camera _cam;
-    void Start()
+
+    private void Start()
     {
-        
+        _cam = Camera.main;
     }
 
-    // Update is called once per frame
+    private void LateUpdate()
-    void Update()
     {
-        
+        if (_cam == null) return;
+        // 让物体的 forward (Z+) 指向相机，Sprite 平面自然朝向相机
+        transform.LookAt(
+            transform.position + (_cam.transform.position - transform.position),
+            Vector3.up
+        );
     }
 }

unity/Assets/enemy/EnemyAI.cs

@@ -100,6 +100,7 @@ namespace IndianOceanAssets.Engine2_5D
         private float _attackTimer;              // 攻击冷却计时器
         private Animator _animator;              // 敌人动画
         private HealthSystem _playerHealth;      // 玩家血量引用
+        private Camera _mainCam;                  // 主相机引用（用于Billboard）
 
         private void Start()
         {
@@ -118,6 +119,7 @@ namespace IndianOceanAssets.Engine2_5D
             }
 
             _animator = GetComponent<Animator>();
+            _mainCam = Camera.main;
         }
 
         private void OnEnable()
@@ -130,6 +132,18 @@ namespace IndianOceanAssets.Engine2_5D
             EchoSystem.OnEchoReleased -= OnBell;
         }
 
+        private void LateUpdate()
+        {
+            // Billboard：让 Sprite 始终面朝相机，消除透视畸变
+            if (_mainCam != null)
+            {
+                transform.LookAt(
+                    transform.position + (_mainCam.transform.position - transform.position),
+                    Vector3.up
+                );
+            }
+        }
+
         private void Update()
         {
             switch (_state)
@@ -225,12 +239,26 @@ namespace IndianOceanAssets.Engine2_5D
         // ===== ChasingBell：追击铃铛 =====
         private void UpdateChasingBell()
         {
+            // 更新攻击冷却
+            _attackTimer -= Time.deltaTime;
+
             // 追击过程中检测是否看到玩家
-            if (CanSeePlayer())
+            if (playerTarget != null && CanSeePlayer())
             {
-                _state = State.ChasingPlayer;
+                float distToPlayer = XZDistance(transform.position, playerTarget.position);
-                _loseSightTimer = 0f;
+
-                return;
+                // 进入攻击范围 → 近战攻击
+                if (distToPlayer <= attackRange)
+                {
+                    TryAttack();
+                }
+                else
+                {
+                    // 看到玩家但不在攻击范围，切换到追击玩家
+                    _state = State.ChasingPlayer;
+                    _loseSightTimer = 0f;
+                    return;
+                }
             }
             
             // 追击计时