chore: initial commit

Assets/Scripts/Enemies/AI/BD_IsPlayerInRange.cs

@@ -0,0 +1,31 @@
+#if GRAPH_DESIGNER
+using Opsive.BehaviorDesigner.Runtime.Tasks;
+using Opsive.BehaviorDesigner.Runtime.Tasks.Conditionals;
+using BaseGames.Enemies;
+
+namespace BaseGames.Enemies.AI
+{
+    /// <summary>
+    /// BD Conditional：检查玩家是否在指定范围内。
+    /// 成功/失败直接驱动 BT 分支选择（Selector / Sequence 节点）。
+    /// </summary>
+    public class BD_IsPlayerInRange : Conditional
+    {
+        /// <summary>检测范围（Inspector 可配置，默认 6 米）。</summary>
+        public float Range = 6f;
+
+        private EnemyBase _enemy;
+
+        public override void OnStart()
+        {
+            _enemy = GetComponent<EnemyBase>();
+        }
+
+        public override TaskStatus OnUpdate()
+        {
+            if (_enemy == null) return TaskStatus.Failure;
+            return _enemy.IsPlayerInRange(Range) ? TaskStatus.Success : TaskStatus.Failure;
+        }
+    }
+}
+#endif