Class EntityManager<ContextType>

Defines an interface for an observer to receive a message via a notify() method

Type Parameters

ContextType = any

Hierarchy

EntityManager

Implements

Util.Observer<RemovedComponent | AddedComponent>

Index

Constructors

Properties

_entityIndex entities

Methods

addEntity clear findEntitiesForRemoval getById getByName notify processComponentRemovals processEntityRemovals removeEntity updateEntities

Constructors

constructor

new EntityManager<ContextType>(_world: World<ContextType>): EntityManager<ContextType>
Type Parameters
- ContextType = any
Parameters
- _world: World<ContextType>
Returns EntityManager<ContextType>
- Defined in EntityComponentSystem/EntityManager.ts:12

Properties

_entityIndex

_entityIndex: {
[entityId: string]: Entity;
} = {}

Type declaration

[entityId: string]: Entity

entities

entities: Entity[] = []

Methods

addEntity

addEntity(entity: Entity): void
Adds an entity to be tracked by the EntityManager
Parameters
- entity: Entity
Returns void
- Defined in EntityComponentSystem/EntityManager.ts:55

clear

clear(): void
Returns void
- Defined in EntityComponentSystem/EntityManager.ts:149

findEntitiesForRemoval

findEntitiesForRemoval(): void
Returns void
- Defined in EntityComponentSystem/EntityManager.ts:28

getById

getById(id: number): Entity
Parameters
- id: number
Returns Entity
- Defined in EntityComponentSystem/EntityManager.ts:141

getByName

getByName(name: string): Entity[]
Parameters
- name: string
Returns Entity[]
- Defined in EntityComponentSystem/EntityManager.ts:145

notify

notify(message: AddedComponent | RemovedComponent): void
EntityManager observes changes on entities
Parameters
- message: AddedComponent | RemovedComponent
Returns void
Implementation of Observer.notify
- Defined in EntityComponentSystem/EntityManager.ts:40

processComponentRemovals

processComponentRemovals(): void
Returns void
- Defined in EntityComponentSystem/EntityManager.ts:135

processEntityRemovals

processEntityRemovals(): void
Returns void
- Defined in EntityComponentSystem/EntityManager.ts:126

removeEntity

removeEntity(entity: Entity, deferred?: boolean): void
Parameters
- entity: Entity
- Optional deferred: boolean
Returns void
- Defined in EntityComponentSystem/EntityManager.ts:83
removeEntity(id: number, deferred?: boolean): void
Parameters
- id: number
- Optional deferred: boolean
Returns void
- Defined in EntityComponentSystem/EntityManager.ts:84

updateEntities

updateEntities(_context: ContextType, elapsed: number): void
Runs the entity lifecycle
Parameters
- _context: ContextType
- elapsed: number
Returns void
- Defined in EntityComponentSystem/EntityManager.ts:18