Class Circle

Hierarchy

Circle

Implements

Shape

Index

Constructors

constructor

Properties

r
x
y

Methods

Constructors

constructor

new Circle(): Circle
new Circle(x: number, y: number, r: number): Circle

Returns Circle
Parameters
- x: number
- y: number
- r: number
Returns Circle

Properties

r

r: number

radius of the circle.

x

x: number

Centre point's X.

y

y: number

Centre point's Y.

Methods

area

area(): number

Returns number

bounds

bounds(): Rect

Implementation of Shape.bounds

Returns Rect

clone

clone(): this

Implementation of Shape.clone

Returns this

equals

equals(s: Circle): boolean

Parameters
- s: Circle
Returns boolean

inside

inside(s: ArrayPoint2 | Segment | Circle | Rect | Triangle): boolean

Parameters
- s: ArrayPoint2 | Segment | Circle | Rect | Triangle
Returns boolean

intersects

intersects(s: Segment | Line | Circle | Rect): boolean

Parameters
- s: Segment | Line | Circle | Rect
Returns boolean

isEmpty

isEmpty(): boolean

Implementation of Shape.isEmpty

Returns boolean

moveTo

moveTo(x: number, y: number): this

Parameters
- x: number
- y: number
Returns this

onside

onside(p: ArrayPoint2): boolean

Implementation of Shape.onside

Parameters
- p: ArrayPoint2
Returns boolean

perimeter

perimeter(): number

Implementation of Shape.perimeter

Returns number

set

set(c: Circle): this
set(p: Point2 | ArrayPoint2, r: number): this

Parameters
- c: Circle
Returns this
Parameters
- p: Point2 | ArrayPoint2
- r: number
Returns this

vertexes

vertexes(): ArrayPoint2[]
vertexes(ps: ArrayPoint2[]): this

Implementation of Shape.vertexes

Returns ArrayPoint2[]
Implementation of Shape.vertexes

Parameters
- ps: ArrayPoint2[]
Returns this

Static toCircle

toCircle(c: ArrayPoint2, r: number): Circle

Parameters
- c: ArrayPoint2
- r: number
Returns Circle