补炮弹飞行轨迹可视化 + 到达后清理

src/Unity/Assets/Scripts/Managers/SimulationRunner.cs

@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.Linq;
 using System.Text.Json;
 using CounterDrone.Core;
 using CounterDrone.Core.Algorithms;
@@ -111,6 +112,32 @@ namespace CounterDrone.Unity
                 }
             }
 
+            // 炮弹飞行轨迹
+            foreach (var m in _engine.Munitions)
+            {
+                if (!_knownMunitions.Contains(m.Id))
+                {
+                    var go = GameObject.CreatePrimitive(PrimitiveType.Cylinder);
+                    go.name = m.Id;
+                    go.transform.localScale = new UVector3(2, 10, 2);
+                    _knownMunitions.Add(m.Id);
+                    _entityVisuals[m.Id] = go;
+                }
+                if (_entityVisuals.TryGetValue(m.Id, out var mgo))
+                    mgo.transform.position = new UVector3(m.PosX, m.PosY, m.PosZ);
+            }
+
+            // 清理已到达的炮弹（已转为云团）
+            foreach (var id in _knownMunitions.ToArray())
+            {
+                if (!_engine.Munitions.Any(m => m.Id == id) && _entityVisuals.TryGetValue(id, out var go))
+                {
+                    Destroy(go);
+                    _knownMunitions.Remove(id);
+                    _entityVisuals.Remove(id);
+                }
+            }
+
             if (result.State == SimulationState.Completed)
                 Debug.Log($"Simulation done. Drone: {_engine.Drones[0].Status}, HP: {_engine.Drones[0].Hp:F2}");
         }