Class KaylaRectEntity`Internal`

The concrete LEA entity instance created for each Kayla component/fiber.

Wraps a LEA.RectLeaEntity and delegates update() and draw() to the component's useTick / usePaint hooks.

Users should almost never interact with this class directly — use KaylaInternalRect or () / (self) instead.

Hierarchy (View Summary)

RectLeaEntity
- KaylaRectEntity

Constructors

constructor

new KaylaRectEntity(component: KaylaFiber, name: string): KaylaRectEntity
Parameters
- component: KaylaFiber
- name: string
Returns KaylaRectEntity
Overrides RectLeaEntity.constructor
- Defined in src/kayla-internals.ts:1891

Properties

flags

flags: Map<string, unknown>

listenerMap

listenerMap: Map<"error" | "draw" | "update", Listener<any[]>[]> = ...

name

name: string = ""

Unique name of the entity (used for lookup and serialization).

scaleRotate

scaleRotate: number = 0

scale

scale: number = 1

`Optional`arraySerializeMap

arraySerializeMap?: LeaEntitySerializer<any>

autoTranslate

autoTranslate: boolean

z

z: number

Z-order for draw sorting (higher = drawn later / on top).

nonSerializableProperties

nonSerializableProperties: (string | number | symbol)[]

forceSerializableProperties

forceSerializableProperties: (string | number | symbol)[]

width

width: number

Width of the rectangle (centered on x).

height

height: number

Height of the rectangle (centered on y).

color

color: string = "rgba(0, 0, 255, 0.3)"

Default fill color for the rectangle (used in base draw implementation).

Accessors

pos

get pos(): Vector2
Current position (center point).

Returns Vector2
Inherited from LEA.RectLeaEntity.pos
- Defined in src/lea.ts:799

x

get x(): number
X coordinate (center).

Returns number
Inherited from LEA.RectLeaEntity.x
- Defined in src/lea.ts:806
set x(s: number): void
Parameters
- s: number
Returns void
Inherited from LEA.RectLeaEntity.x
- Defined in src/lea.ts:815

y

get y(): number
Y coordinate (center).

Returns number
Inherited from LEA.RectLeaEntity.y
- Defined in src/lea.ts:812
set y(s: number): void
Parameters
- s: number
Returns void
Inherited from LEA.RectLeaEntity.y
- Defined in src/lea.ts:818

left

get left(): number
Left edge of the bounding box.

Returns number
Inherited from LEA.RectLeaEntity.left
- Defined in src/lea.ts:1610
set left(val: number): void
Parameters
- val: number
Returns void
Inherited from LEA.RectLeaEntity.left
- Defined in src/lea.ts:1613

right

get right(): number
Right edge of the bounding box.

Returns number
Inherited from LEA.RectLeaEntity.right
- Defined in src/lea.ts:1620
set right(val: number): void
Parameters
- val: number
Returns void
Inherited from LEA.RectLeaEntity.right
- Defined in src/lea.ts:1623

top

get top(): number
Top edge of the bounding box.

Returns number
Inherited from LEA.RectLeaEntity.top
- Defined in src/lea.ts:1630
set top(val: number): void
Parameters
- val: number
Returns void
Inherited from LEA.RectLeaEntity.top
- Defined in src/lea.ts:1633

bottom

get bottom(): number
Bottom edge of the bounding box.

Returns number
Inherited from LEA.RectLeaEntity.bottom
- Defined in src/lea.ts:1640
set bottom(val: number): void
Parameters
- val: number
Returns void
Inherited from LEA.RectLeaEntity.bottom
- Defined in src/lea.ts:1643

lx

get lx(): number
Returns number
Inherited from LEA.RectLeaEntity.lx
- Defined in src/lea.ts:1647

ly

get ly(): number
Returns number
Inherited from LEA.RectLeaEntity.ly
- Defined in src/lea.ts:1650

lleft

get lleft(): number
Returns number
Inherited from LEA.RectLeaEntity.lleft
- Defined in src/lea.ts:1654

lright

get lright(): number
Returns number
Inherited from LEA.RectLeaEntity.lright
- Defined in src/lea.ts:1657

ltop

get ltop(): number
Returns number
Inherited from LEA.RectLeaEntity.ltop
- Defined in src/lea.ts:1660

lbottom

get lbottom(): number
Returns number
Inherited from LEA.RectLeaEntity.lbottom
- Defined in src/lea.ts:1663

Methods

getRawRect

getRawRect(): RawKaylaRect
Returns RawKaylaRect
- Defined in src/kayla-internals.ts:1879

getFiber

getFiber(): KaylaFiber<{}, Record<string, KaylaExportables>>
Returns KaylaFiber<{}, Record<string, KaylaExportables>>
- Defined in src/kayla-internals.ts:1888

setFlag

setFlag(key: string, value: unknown): Map<string, unknown>
Parameters
- key: string
- value: unknown
Returns Map<string, unknown>
- Defined in src/kayla-internals.ts:1898

getFlag

getFlag(key: string): unknown
Parameters
- key: string
Returns unknown
- Defined in src/kayla-internals.ts:1901

removeFlag

removeFlag(key: string): boolean
Parameters
- key: string
Returns boolean
- Defined in src/kayla-internals.ts:1904

update

update(_delta: number): void
Called once per tick with delta time (seconds).
Parameters
- _delta: number
Returns void
Overrides RectLeaEntity.update
- Defined in src/kayla-internals.ts:1908

draw

draw(ctx: CanvasRenderingContext2D): void
Draws a filled rectangle centered on the entity's position.

Subclasses should override or call super.draw(ctx) if extending.
Parameters
- ctx: CanvasRenderingContext2D
  The 2D rendering context
Returns void
Overrides RectLeaEntity.draw
- Defined in src/kayla-internals.ts:1933

getRect

getRect(): KaylaInternalRect
Returns KaylaInternalRect
- Defined in src/kayla-internals.ts:1946

on

on<K extends "error" | "draw" | "update">(
    event: K,
    listener: (
        ...args: {
            update: [number];
            error: [unknown];
            draw: [CanvasRenderingContext2D];
        }[K],
    ) => void,
): this
Registers a listener for the specified event.
Type Parameters
- K extends "error" | "draw" | "update"
  Event name
Parameters
- event: K
  The name of the event
- listener: (
      ...args: {
          update: [number];
          error: [unknown];
          draw: [CanvasRenderingContext2D];
      }[K],
  ) => void
  The callback to invoke when the event is emitted
Returns this
This emitter for chaining
Inherited from RectLeaEntity.on
- Defined in src/lea.ts:38

once

once<K extends "error" | "draw" | "update">(
    event: K,
    listener: (
        ...args: {
            update: [number];
            error: [unknown];
            draw: [CanvasRenderingContext2D];
        }[K],
    ) => void,
): this
Registers a one-time listener for the specified event.

The listener is automatically removed after the first invocation.
Type Parameters
- K extends "error" | "draw" | "update"
  Event name
Parameters
- event: K
  The name of the event
- listener: (
      ...args: {
          update: [number];
          error: [unknown];
          draw: [CanvasRenderingContext2D];
      }[K],
  ) => void
  The callback to invoke once
Returns this
This emitter for chaining
Inherited from RectLeaEntity.once
- Defined in src/lea.ts:58

off

off<K extends "error" | "draw" | "update">(
    event: K,
    listener: (
        ...args: {
            update: [number];
            error: [unknown];
            draw: [CanvasRenderingContext2D];
        }[K],
    ) => void,
): this
Removes a listener for the specified event.
Type Parameters
- K extends "error" | "draw" | "update"
  Event name
Parameters
- event: K
  The name of the event
- listener: (
      ...args: {
          update: [number];
          error: [unknown];
          draw: [CanvasRenderingContext2D];
      }[K],
  ) => void
  The callback to remove
Returns this
This emitter for chaining
Inherited from RectLeaEntity.off
- Defined in src/lea.ts:78

emit

emit<K extends "error" | "draw" | "update">(
    event: K,
    ...args: {
        update: [number];
        error: [unknown];
        draw: [CanvasRenderingContext2D];
    }[K],
): boolean
Emits an event, invoking all registered listeners with the provided arguments.

If the event is "error" and no listeners are registered, the first argument (the error) will be thrown.
Type Parameters
- K extends "error" | "draw" | "update"
  Event name
Parameters
- event: K
  The name of the event to emit
- ...args: { update: [number]; error: [unknown]; draw: [CanvasRenderingContext2D] }[K]
  Arguments to pass to listeners
Returns boolean
true if any listeners were invoked, false otherwise
Inherited from RectLeaEntity.emit
- Defined in src/lea.ts:100

removeAllListeners

removeAllListeners<K extends "error" | "draw" | "update">(
event?: K,
): KaylaRectEntity
Removes all listeners for the specified event, or all listeners if no event is provided.
Type Parameters
- K extends "error" | "draw" | "update"
  Event name
Parameters
- Optionalevent: K
  Optional event name to clear listeners for
Returns KaylaRectEntity
This emitter for chaining
Inherited from RectLeaEntity.removeAllListeners
- Defined in src/lea.ts:122

listenerCount

listenerCount<K extends "error" | "draw" | "update">(event: K): number
Returns the number of listeners registered for the specified event.
Type Parameters
- K extends "error" | "draw" | "update"
  Event name
Parameters
- event: K
  The event to count listeners for
Returns number
The number of registered listeners
Inherited from RectLeaEntity.listenerCount
- Defined in src/lea.ts:138

handleUpdate

handleUpdate(delta: number): void
Update entity.
Parameters
- delta: number
Returns void
Inherited from RectLeaEntity.handleUpdate
- Defined in src/lea.ts:825

handleDraw

handleDraw(ctx: CanvasRenderingContext2D): void
Draw entity.
Parameters
- ctx: CanvasRenderingContext2D
Returns void
Inherited from RectLeaEntity.handleDraw
- Defined in src/lea.ts:845

serialize

serialize(): any
Serializes the entity to a plain object (for save/load).

Excludes internal properties and respects nonSerializableProperties.

Returns any
Serializable data
Inherited from RectLeaEntity.serialize
- Defined in src/lea.ts:875

toLocal

toLocal(worldVec: Vector2): Vector2
Converts a world position to local space relative to this entity.
Parameters
- worldVec: Vector2
  World position
Returns Vector2
Local position
Inherited from LEA.RectLeaEntity.toLocal
- Defined in src/lea.ts:933

toWorld

toWorld(localVec: Vector2): Vector2
Converts a local position to world space.
Parameters
- localVec: Vector2
  Local position
Returns Vector2
World position
Inherited from RectLeaEntity.toWorld
- Defined in src/lea.ts:943

deserializeArray

deserializeArray(snapshot: any[]): any
Parameters
- snapshot: any[]
Returns any
Inherited from RectLeaEntity.deserializeArray
- Defined in src/lea.ts:947

`Static`deserializeArray

deserializeArray(map: LeaEntitySerializer<any>, snapshot: any[]): any
Parameters
- map: LeaEntitySerializer<any>
- snapshot: any[]
Returns any
Inherited from RectLeaEntity.deserializeArray
- Defined in src/lea.ts:951

isCollidingWith

isCollidingWith(other: RectLeaEntity): boolean
Checks for axis-aligned bounding box collision with another rectangular entity.
Parameters
- other: RectLeaEntity
  The other entity to check against
Returns boolean
true if the bounding boxes overlap
Inherited from RectLeaEntity.isCollidingWith
- Defined in src/lea.ts:1673

Class KaylaRectEntityInternal

Hierarchy (View Summary)

Index

Constructors

Properties

Accessors

Methods

Constructors

constructor

Parameters

Returns KaylaRectEntity

Properties

flags

listenerMap

name

scaleRotate

scale

OptionalarraySerializeMap

autoTranslate

z

nonSerializableProperties

forceSerializableProperties

width

height

color

Accessors

pos

Returns Vector2

x

Returns number

Parameters

Returns void

y

Returns number

Parameters

Returns void

left

Returns number

Parameters

Returns void

right

Returns number

Parameters

Returns void

top

Returns number

Parameters

Returns void

bottom

Returns number

Parameters

Returns void

lx

Returns number

ly

Returns number

lleft

Returns number

lright

Returns number

ltop

Returns number

lbottom

Returns number

Methods

getRawRect

Returns RawKaylaRect

getFiber

Returns KaylaFiber<{}, Record<string, KaylaExportables>>

setFlag

Parameters

Returns Map<string, unknown>

getFlag

Parameters

Returns unknown

removeFlag

Parameters

Returns boolean

update

Parameters

Class KaylaRectEntity`Internal`

`Optional`arraySerializeMap

`Static`deserializeArray