Yet another quad tree system on startup

isadorasophia · Dec 19, 2024 · 8d87521 · 8d87521
1 parent 72d5f2b
commit 8d87521
Showing 1 changed file with 9 additions and 1 deletion.
diff --git a/src/Murder/Systems/Physics/QuadtreeCalculatorSystem.cs b/src/Murder/Systems/Physics/QuadtreeCalculatorSystem.cs
@@ -15,7 +15,7 @@ namespace Murder.Systems;
 
 [Filter(typeof(ColliderComponent), typeof(ITransformComponent))]
 [Watch(typeof(ITransformComponent), typeof(ColliderComponent))]
-public class QuadtreeCalculatorSystem : IReactiveSystem, IFixedUpdateSystem
+public class QuadtreeCalculatorSystem : IReactiveSystem, IFixedUpdateSystem, IStartupSystem
 {
     private readonly HashSet<int> _entitiesOnWatch = new(516);
 
@@ -82,4 +82,12 @@ public void FixedUpdate(Context context)
 
         _entitiesOnWatch.Clear();
     }
+
+    public void Start(Context context)
+    {
+        for (int i = 0; i < context.Entities.Length; i++)
+        {
+            _entitiesOnWatch.Add(context.Entities[i].EntityId);
+        }
+    }
 }