From 11acff9bacbbbd6dbbed5d6da3b25a85c40909f7 Mon Sep 17 00:00:00 2001
From: Mikhail <99481254+DCFApixels@users.noreply.github.com>
Date: Mon, 5 Jun 2023 22:22:21 +0800
Subject: [PATCH] fix

---
 src/EcsSubject.cs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/EcsSubject.cs b/src/EcsSubject.cs
index 1299c4f..e3cb7a7 100644
--- a/src/EcsSubject.cs
+++ b/src/EcsSubject.cs
@@ -44,6 +44,7 @@ namespace DCFApixels.DragonECS
             private Builder(EcsWorld world)
             {
                 _world = world;
+                _subjects = new List<CombinedSubject>();
                 _inc = new HashSet<int>(8);
                 _exc = new HashSet<int>(4);
             }
@@ -225,10 +226,10 @@ namespace DCFApixels.DragonECS
             _dummyHashSet.Clear();
             foreach (var item in array)
             {
-                if (_dummyHashSet.Contains(item)) return false;
+                if (_dummyHashSet.Contains(item)) return true;
                 _dummyHashSet.Add(item);
             }
-            return true;
+            return false;
         }
 #endif
         private static string CreateLogString(Type worldType, int[] inc, int[] exc)