# Class: Engine
The heart of the Entity framework. It is responsible for keeping track of entities and systems. The engine should be updated every tick via the update method.
# Table of contents
# Constructors
# Properties
# Methods
# Constructors
# constructor
• new Engine(allocator?)
Creates a new Engine.
# Parameters
| Name | Type | Description |
|---|---|---|
allocator | Allocator | The optional allocator to use for creating entities & components. |
# Defined in
src/core/Engine.ts:28 (opens new window)
# Properties
# entities
• Readonly entities: EntityManager
# Defined in
src/core/Engine.ts:19 (opens new window)
# systems
• Readonly systems: EntitySystemManager
# Defined in
src/core/Engine.ts:17 (opens new window)
# Methods
# getContainer
▸ getContainer(): ContainerInstance
# Returns
ContainerInstance
The IOC Container (currently using typedi).
# Defined in
src/core/Engine.ts:67 (opens new window)
# isUpdating
▸ isUpdating(): boolean
# Returns
boolean
True if this engine is currently updating systems.
# Defined in
src/core/Engine.ts:38 (opens new window)
# update
▸ update(deltaTime): void
Updates all the systems in this Engine.
# Parameters
| Name | Type | Description |
|---|---|---|
deltaTime | number | The time passed since the last frame. |
# Returns
void