Fix small but devestating bug for systems without Entities.

2026-07-22 07:56:52 -06:00 · 2015-03-28 21:03:42 +08:00
parent 17592be9dc
commit e8b4b7f106
1 changed files with 4 additions and 2 deletions
@@ -340,8 +340,10 @@ function World:updateSystem(system, dt)
    if update then
        local entities = self.entities
        local eids = systemEntities[system.id]
-        for eid in pairs(eids) do
-            update(entities[eid], dt)
+        if eids then
+            for eid in pairs(eids) do
+                update(entities[eid], dt)
+            end
        end
    end
 end