SparseHashGrid <TObject, TProxy>

Index

Constructors

• constructor

Properties

• bounds
• gridSize
• objectToProxy
• sparseHashGrid

Methods

• debug
• get
• query
• track
• untrack
• update

Constructors

constructor

• new SparseHashGrid<TObject, TProxy>(options: { proxyFactory?: (object: TObject, gridSize: number) => TProxy; size: number }): SparseHashGrid<TObject, TProxy>

• Type parameters

  • TObject: { bounds: BoundingBox }
  • TProxy: HashGridProxy<TObject> = HashGridProxy<TObject>

  Parameters

  • options: { proxyFactory?: (object: TObject, gridSize: number) => TProxy; size: number }

  • optionalproxyFactory: (object: TObject, gridSize: number) => TProxy

  • size: number

  Returns SparseHashGrid<TObject, TProxy>

Properties

publicbounds

bounds: BoundingBox = ...

readonlygridSize

gridSize: number

readonlyobjectToProxy

objectToProxy: Map<TObject, TProxy>

readonlysparseHashGrid

sparseHashGrid: Map<string, HashGridCell<TObject, TProxy>>

Methods

debug

• debug(ex: ExcaliburGraphicsContext, elapsedMs: number): void

• Parameters

  • ex: ExcaliburGraphicsContext

  • elapsedMs: number

  Returns void

get

• get(xCoord: number, yCoord: number): HashGridCell<TObject, HashGridProxy<TObject>>

• Parameters

  • xCoord: number

  • yCoord: number

  Returns HashGridCell<TObject, HashGridProxy<TObject>>

query

• query(point: Vector): TObject[]
• query(bounds: BoundingBox): TObject[]

• Parameters

  • point: Vector

  Returns TObject[]

track

• track(target: TObject): void

• Parameters

  • target: TObject

  Returns void

untrack

• untrack(target: TObject): void

• Parameters

  • target: TObject

  Returns void

update

• update(targets: TObject[]): number

• Parameters

  • targets: TObject[]

  Returns number