Class default

Hierarchy

default
- default

Index

Constructors

constructor

Properties

Methods

Constructors

constructor

new default(lightPassesCallback: LightPassesCallback, options?: Partial<Options>): default

Inherited from default.constructor
- Defined in fov/fov.ts:21
Parameters
- lightPassesCallback: LightPassesCallback
  
  Does the light pass through x,y?
- options: Partial<Options> = {}
Returns default

Properties

_lightPasses

_lightPasses: LightPassesCallback

_options

_options: Options

Methods

_castVisibility

_castVisibility(startX: number, startY: number, row: number, visSlopeStart: number, visSlopeEnd: number, radius: number, xx: number, xy: number, yx: number, yy: number, callback: VisibilityCallback): void

- Defined in fov/recursive-shadowcasting.ts:100
Actually calculates the visibility

Parameters
- startX: number
  
  The starting X coordinate
- startY: number
  
  The starting Y coordinate
- row: number
  
  The row to render
- visSlopeStart: number
  
  The slope to start at
- visSlopeEnd: number
  
  The slope to end at
- radius: number
  
  The radius to reach out to
- xx: number
- xy: number
- yx: number
- yy: number
- callback: VisibilityCallback
  
  The callback to use when we hit a block that is visible
Returns void

_getCircle

_getCircle(cx: number, cy: number, r: number): number[][]

Inherited from default._getCircle
- Defined in fov/fov.ts:41
Return all neighbors in a concentric ring

Parameters
- cx: number
  
  center-x
- cy: number
  
  center-y
- r: number
  
  range
Returns number[][]

_renderOctant

_renderOctant(x: number, y: number, octant: number[], R: number, callback: VisibilityCallback): void

- Defined in fov/recursive-shadowcasting.ts:81
Render one octant (45-degree arc) of the viewshed

Parameters
- x: number
- y: number
- octant: number[]
  
  Octant to be rendered
- R: number
  
  Maximum visibility radius
- callback: VisibilityCallback
Returns void

compute

compute(x: number, y: number, R: number, callback: VisibilityCallback): void

Overrides default.compute
- Defined in fov/recursive-shadowcasting.ts:29
Compute visibility for a 360-degree circle

Parameters
- x: number
- y: number
- R: number
  
  Maximum visibility radius
- callback: VisibilityCallback
Returns void

compute180

compute180(x: number, y: number, R: number, dir: number, callback: VisibilityCallback): void

- Defined in fov/recursive-shadowcasting.ts:45
Compute visibility for a 180-degree arc

Parameters
- x: number
- y: number
- R: number
  
  Maximum visibility radius
- dir: number
  
  Direction to look in (expressed in a ROT.DIRS value);
- callback: VisibilityCallback
Returns void

compute90

compute90(x: number, y: number, R: number, dir: number, callback: VisibilityCallback): void

- Defined in fov/recursive-shadowcasting.ts:65
Compute visibility for a 90-degree arc

Parameters
- x: number
- y: number
- R: number
  
  Maximum visibility radius
- dir: number
  
  Direction to look in (expressed in a ROT.DIRS value);
- callback: VisibilityCallback
Returns void

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