fix: ID

app/ecs-components/world.js

@@ -1,3 +1,3 @@
 export default {
-  world: {defaultValue: -1, type: 'uint16'},
+  world: 'uint16',
 }

app/ecs/system.js

@@ -105,7 +105,7 @@ export default class System {
         this.ecs.removeMany(entities);
       }
 
-    };
+    }
     return new WrappedSystem();
   }
 

app/engine/engine.js

@@ -17,7 +17,7 @@ const players = {
     Momentum: {},
     Position: {x: 50, y: 50},
     VisibleAabb: {},
-    World: {world: 0},
+    World: {world: 1},
     Sprite: {image: '/assets/bunny.png'},
   },
 };
@@ -36,7 +36,7 @@ export default class Engine {
     ecs.addSystem(CalculateAabbs);
     ecs.addSystem(UpdateSpatialHash);
     this.ecses = {
-      0: ecs,
+      1: ecs,
     };
     this.connections = [];
     this.connectedPlayers = new Map();

app/engine/engine.test.js

@@ -6,7 +6,7 @@ import Engine from './engine.js';
 
 test('visibility-based updates', async () => {
   const engine = new Engine(Server);
-  const ecs = engine.ecses[0];
+  const ecs = engine.ecses[1];
   // Create an entity.
   const entity = ecs.get(ecs.create({
     Momentum: {x: 1, y: 0},