ClassesTSystemOn this pageabstractTSystem HierarchyTSystemTTilemapSystemTAnimatedSpriteSystemTParticlesSystemTOrbitCameraSystemTFixedAxisCameraSystemTFollowComponentCameraSystemTPlayerInputSystemTMouseInputSystemTTopDownInputSystemTPhysicsSystemIndex ConstructorsconstructorPropertiespriorityMethodsupdateConstructors constructornew TSystem(): TSystemReturns TSystemProperties publicreadonlyprioritypriority: number = TSystemPriority.UpdateMethods publicabstractupdateupdate(engine: default, world: default, delta: number): Promise<void>Parametersengine: defaultworld: defaultdelta: numberReturns Promise<void>