Class DivRect

DivRect class, left, top, right, bottom rectangle divided into four sections by centerX, centerY.

Index

Constructors

Properties

bottom centerX centerY left right top

Accessors

bottomh height leftw rightw toph width

Methods

clipCopy clipInPlace contains copy expandCopy expandInPlace getRect offsetCopy offsetInPlace scaleCopy scaleInPlace create createCentered createSections equals equalsFrame overlap overlapX

Constructors

constructor

new DivRect(): DivRect
Create rectangle with all zero values.

Returns DivRect
new DivRect(left: number, right: number, top: number, bottom: number): DivRect
Create rectangle with left, right, top, bottom. Properties centerX and centerY will be centered in the middle.
Parameters
- left: number
  Left coordinate.
- right: number
  Right coordinate.
- top: number
  Top coordinate.
- bottom: number
  Bottom coordinate.
Returns DivRect
new DivRect(
    left: number,
    centerX: number,
    right: number,
    top: number,
    centerY: number,
    bottom: number,
): DivRect
Create rectangle with full arguments.
Parameters
- left: number
  Left coordinate.
- centerX: number
  Center x-coordinate.
- right: number
  Right coordinate.
- top: number
  Top coordinate.
- centerY: number
  Center y-coordinate.
- bottom: number
  Bottom coordinate.
Returns DivRect

Properties

bottom

bottom: number

centerX

centerX: number

centerY

centerY: number

left

left: number

right

right: number

top

top: number

Accessors

bottomh

get bottomh(): number
Bottom section height getter.

Returns number

height

get height(): number
Height getter.

Returns number

leftw

get leftw(): number
Left section width getter.

Returns number

rightw

get rightw(): number
Right section width getter.

Returns number

toph

get toph(): number
Top section height getter.

Returns number

width

get width(): number
Width getter.

Returns number

Methods

clipCopy

clipCopy(clipRect: DivRect): DivRect
Clip this Rect by given Rect. Immutable, return modified copy.
Parameters
- clipRect: DivRect
  DivRecto to clip this instance with.
Returns DivRect
- Clipped DivRect copy.

clipInPlace

clipInPlace(clipRect: DivRect): DivRect
Clip this Rect by given Rect. Mmodifies this Rect.
Parameters
- clipRect: DivRect
  DivRect to clip this instance with.
Returns DivRect
- This DivRect instance.

contains

contains(x: number, y: number): boolean
Does this Rect contain given (x, y)-point?
Parameters
- x: number
  X-coordinate.
- y: number
  Y-coordinate.
Returns boolean
- True/false.

copy

copy(): DivRect
Created duplicate of this Rect.

Returns DivRect
- Duplicate.

expandCopy

expandCopy(rect: DivRect): DivRect
Expand this Rect by given Rect. Immutable, returns modified copy.
Parameters
- rect: DivRect
  DivRect to expand this instance with.
Returns DivRect
- Expanded copy of this DivRect.

expandInPlace

expandInPlace(rect: DivRect): DivRect
Expand this Rect by given Rect. Modifies this Rect.
Parameters
- rect: DivRect
  DivRect to expand this instance with.
Returns DivRect
- This DivRect instance.

getRect

getRect(): DivRect
Get this DivRect instance.

Returns DivRect
- This DivRect instance.

offsetCopy

offsetCopy(dx: number, dy: number): DivRect
Move this rect by (dx, dy). Immutable, returns modified copy.
Parameters
- dx: number
  Offset amount in x-direction.
- dy: number
  Offset amount in y-direction.
Returns DivRect
- DivRect copy with applied offset.

offsetInPlace

offsetInPlace(dx: number, dy: number): DivRect
Move this rect by (dx, dy). Modifies this Rect.
Parameters
- dx: number
  Offset amount in x-direction.
- dy: number
  Offset amount in y-direction.
Returns DivRect
- This DivRect instance.

scaleCopy

scaleCopy(scaleX: number, scaleY?: number): DivRect
Scale Rect. Anchor pos is (centerX, centerY). Immutable, returns modified copy.
Parameters
- scaleX: number
  Scale x-amount.
- OptionalscaleY: number
  Scale y-amount. If undefined then scale x-amount is used.
Returns DivRect
Scaled copy of this DivRect.

scaleInPlace

scaleInPlace(scaleX: number, scaleY?: number): DivRect
Scale Rect. Anchor pos is (centerX, centerY). Modifies this Rect.
Parameters
- scaleX: number
  Scale x-amount.
- OptionalscaleY: number
  Scale y-amount. If undefined then scale x-amount is used.
Returns DivRect
This DivRect instance.

`Static`create

create(left: number, top: number, width: number, height: number): DivRect
Create rect from basic left, top, width and height arguments.
Parameters
- left: number
  Left coordinate.
- top: number
  Top coordinate.
- width: number
  With.
- height: number
  Height.
Returns DivRect
- DivRect.

`Static`createCentered

createCentered(
    centerX: number,
    centerY: number,
    width: number,
    height: number,
): DivRect
Create rect from centerX, centerY, width, height arguments.
Parameters
- centerX: number
  Center x-coordinate.
- centerY: number
  Center y-coordinate.
- width: number
  Width.
- height: number
  Height.
Returns DivRect
- DivRect.

`Static`createSections

createSections(
    leftw: number,
    rightw: number,
    toph: number,
    bottomh: number,
): DivRect
Create rect from sections.
Parameters
- leftw: number
  Left section width.
- rightw: number
  Right section width.
- toph: number
  Top section height.
- bottomh: number
  Bottomsection height.
Returns DivRect
- DivRect.

`Static`equals

equals(a: undefined | null | DivRect, b: undefined | null | DivRect): boolean
Check if this Rect equals with given Rect.
Parameters
- a: undefined | null | DivRect
  DivRect a.
- b: undefined | null | DivRect
  DivRect b.
Returns boolean
- True/false.

`Static`equalsFrame

equalsFrame(
a: undefined | null | DivRect,
b: undefined | null | DivRect,
): boolean
Check if frame of this Rect equals with given Rect, ignoring center x- and center y-coordinates.
Parameters
- a: undefined | null | DivRect
  DivRect a.
- b: undefined | null | DivRect
  DivRect b.
Returns boolean
- True/false.

`Static`overlap

overlap(a: DivRect, b: DivRect): boolean
Do a and b rects overlap?
Parameters
- a: DivRect
  DivRect a.
- b: DivRect
  DivRect b.
Returns boolean
- True/false.

`Static`overlapX

overlapX(a: DivRect, b: DivRect): boolean
Do horizontal measures of a and b rects overlap?
Parameters
- a: DivRect
  DivRect a.
- b: DivRect
  DivRect b.
Returns boolean
- True/false.