SystemManager

The SystemManager is responsible for keeping track of all systems in a scene. Systems are scene specific

Index

Constructors

• constructor

Properties

• initialized
• systems

Methods

• addSystem
• clear
• get
• initialize
• removeSystem
• updateSystems

Constructors

constructor

• new SystemManager(_world: World): SystemManager

• Parameters

  • _world: World

  Returns SystemManager

Properties

publicinitialized

initialized: boolean = false

publicsystems

systems: System[] = []

List of systems, to add a new system call SystemManager.addSystem

Methods

publicaddSystem

• addSystem(systemOrCtor: System | SystemCtor<System>): void

• Adds a system to the manager, it will now be updated every frame

  ---

  Parameters

  • systemOrCtor: System | SystemCtor<System>

  Returns void

publicclear

• clear(): void

• Returns void

publicget

• get<T>(systemType: SystemCtor<T>): T

• Get a system registered in the manager by type

  ---

  Type parameters

  • T: System

  Parameters

  • systemType: SystemCtor<T>

  Returns T

publicinitialize

• initialize(): void

• Initialize all systems in the manager

  Systems added after initialize() will be initialized on add

  ---

  Returns void

publicremoveSystem

• removeSystem(system: System): void

• Removes a system from the manager, it will no longer be updated

  ---

  Parameters

  • system: System

  Returns void

publicupdateSystems

• updateSystems(type: SystemType, scene: Scene<unknown>, elapsed: number): void

• Updates all systems

  ---

  Parameters

  • type: SystemType

    whether this is an update or draw system

  • scene: Scene<unknown>

    context reference

  • elapsed: number

    time in milliseconds

  Returns void