Class Camera

Camera entity for managing the view transform in the game.

Hierarchy (View Summary)

Entity
- Camera

Index

Constructors

Properties

children game globalZindex localZindex parent position rapid rotation scale tags transform

Accessors

x y

Methods

addChild dispose findDescendant findDescendantByTag getParentTransform onRender onUpdate postDispose removeChild update updateTransform

Constructors

constructor

new Camera(game: Game, options?: IEntityTransformOptions): Camera
Creates an entity with optional transform properties.
Parameters
- game: Game
  The game instance this entity belongs to.
- options: IEntityTransformOptions = {}
  Configuration options for position, scale, rotation, and tags.
Returns Camera
Inherited from Entity.constructor
- Defined in game.ts:51

Properties

`Readonly`children

children: Entity[] = []

`Protected`game

game: Game

globalZindex

globalZindex: number = 0

localZindex

localZindex: number = 0

parent

parent: null | Entity = null

position

position: Vec2

`Protected`rapid

rapid: Rapid

rotation

rotation: number

scale

scale: Vec2

tags

tags: string[]

transform

transform: MatrixStack = ...

Accessors

x

get x(): number
Returns number
Inherited from Entity.x
- Defined in game.ts:30
set x(nx: number): void
Parameters
- nx: number
Returns void
Inherited from Entity.x
- Defined in game.ts:38

y

get y(): number
Returns number
Inherited from Entity.y
- Defined in game.ts:34
set y(ny: number): void
Parameters
- ny: number
Returns void
Inherited from Entity.y
- Defined in game.ts:42

Methods

addChild

addChild(child: Entity): void
Adds a child entity to this entity.
Parameters
- child: Entity
  The entity to add as a child.
Returns void
Inherited from Entity.addChild
- Defined in game.ts:152

dispose

dispose(): void
Disposes of the entity and its children.

Returns void
Inherited from Entity.dispose
- Defined in game.ts:216

findDescendant

findDescendant(
predicate: (entity: Entity) => boolean,
onlyFirst?: boolean,
): null | Entity | Entity[]
Finds descendant entities matching a predicate.
Parameters
- predicate: (entity: Entity) => boolean
  Function to test each entity.
- onlyFirst: boolean = true
  If true, returns only the first match; otherwise, returns all matches.
Returns null | Entity | Entity[]
A single entity, an array of entities, or null if no matches are found.
Inherited from Entity.findDescendant
- Defined in game.ts:178

findDescendantByTag

findDescendantByTag(
tags: string[],
onlyFirst?: boolean,
): null | Entity | Entity[]
Finds descendant entities with all specified tags.
Parameters
- tags: string[]
  Array of tags to match.
- onlyFirst: boolean = false
  If true, returns only the first match; otherwise, returns all matches.
Returns null | Entity | Entity[]
A single entity, an array of entities, or null if no matches are found.
Inherited from Entity.findDescendantByTag
- Defined in game.ts:205

getParentTransform

getParentTransform(): MatrixStack
Gets the parent transform or the renderer's matrix stack if no parent exists.

Returns MatrixStack
The transform matrix stack.
Inherited from Entity.getParentTransform
- Defined in game.ts:81

onRender

onRender(render: Rapid): void
Hook for custom rendering logic.
Parameters
- render: Rapid
  The rendering engine instance.
Returns void
Inherited from Entity.onRender
- Defined in game.ts:129

`Protected`onUpdate

onUpdate(deltaTime: number): void
Hook for custom update logic.
Parameters
- deltaTime: number
  Time elapsed since the last update in seconds.
Returns void
Inherited from Entity.onUpdate
- Defined in game.ts:100

`Protected`postDispose

postDispose(): void
Hook for custom cleanup logic before disposal.

Returns void
Inherited from Entity.postDispose
- Defined in game.ts:226

removeChild

removeChild(child: Entity): void
Removes a child entity from this entity.
Parameters
- child: Entity
  The entity to remove.
Returns void
Inherited from Entity.removeChild
- Defined in game.ts:164

update

update(deltaTime: number): void
Updates the entity and its children.
Parameters
- deltaTime: number
  Time elapsed since the last update in seconds.
Returns void
Inherited from Entity.update
- Defined in game.ts:89

updateTransform

updateTransform(): void
Updates the camera's transform to center the view and apply transformations.

Returns void
Overrides Entity.updateTransform
- Defined in game.ts:240