Class ScreenRect

constructor

• new ScreenRect(left, top, width, height): ScreenRect

• Parameters

  • left: number

    the horizontal coordinate of the top-left corner

  • top: number

    the vertical coordinate of the top-left corner

  • width: number

    the width of the rectangle

  • height: number

    the height of the rectangle

  Returns ScreenRect

Static Readonly EMPTY_RECT

equals

• equals(otherRect): boolean

• Returns true if this ScreenRect is exactly equal to the other ScreenRect.

  Parameters

  • otherRect: ScreenRect

    the ScreenRect to compare to

  Returns boolean

  true if this ScreenRect is exactly equal to the other ScreenRect

getCenterX

• getCenterX(): number

• The horizontal coordinate of this ScreenRect center.

  Returns number

  the horizontal coordinate of this ScreenRect center

getCenterY

• getCenterY(): number

• The vertical coordinate of this ScreenRect center

  Returns number

  the vertical coordinate of this ScreenRect center

getHeight

• getHeight(): number

• The height of this ScreenRect.

  Returns number

  the height of this ScreenRect.

getLeft

• getLeft(): number

• The left coordinate of this ScreenRect.

  Returns number

  the left coordinate of this ScreenRect.

getTop

• getTop(): number

• The top coordinate of this ScreenRect.

  Returns number

  the top coordinate of this ScreenRect

getWidth

• getWidth(): number

• The width of this ScreenRect.

  Returns number

  the width of this ScreenRect.

isEmpty

• isEmpty(opt_tol?): boolean

• Returns true if this ScreenRect has zero width or height, within the tolerance

  Parameters

  • Optional opt_tol: number

    tolerance for comparison, default is 1E-14;

  Returns boolean

  true if this ScreenRect has zero width or height

makeOval

• makeOval(context): void

• Creates an oval path in the Canvas context, with the size of this ScreenRect.

  Parameters

  • context: CanvasRenderingContext2D

    the Canvas context to draw into

  Returns void

makeRect

• makeRect(context): void

• Creates a rectangle path in the Canvas context, with the size of this ScreenRect.

  Parameters

  • context: CanvasRenderingContext2D

    the Canvas context to draw into

  Returns void

nearEqual

• nearEqual(otherRect, opt_tolerance?): boolean

• Returns true if this ScreenRect is nearly equal to another ScreenRect. The optional tolerance value corresponds to the epsilon in Util.veryDifferent, so the actual tolerance used depends on the magnitude of the numbers being compared.

  Parameters

  • otherRect: ScreenRect

    the ScreenRect to compare to

  • Optional opt_tolerance: number

    optional tolerance for comparison

  Returns boolean

  true if this ScreenRect is nearly equal to the other ScreenRect

toString

• toString(): string

• Returns string

  Inherit Doc

Static clone

• clone(rect): ScreenRect

• Returns a copy of the given ScreenRect.

  Parameters

  • rect: ScreenRect

    the ScreenRect to clone

  Returns ScreenRect

  a copy of rect