Class SystemC

packages/core/tests/ECS/EntitySystemDI.test.ts:140–153

            }

            @Injectable()
            @ECSSystem('C')
            class SystemC extends EntitySystem implements IService {
                @InjectProperty(SystemA)
                public systemA!: SystemA;

                @InjectProperty(SystemB)
                public systemB!: SystemB;

                constructor() {
                    super(Matcher.empty());
                }
                override dispose() {}
            }

            scene.addEntityProcessor(SystemA);
            scene.addEntityProcessor(SystemB);