new Rectangle(x, y, width, height)
Creates a new Rectangle object with the topleft corner specified by the x and y parameters and with the specified width and height parameters. If you call this function without parameters, a Rectangle with x, y, width, and height properties set to 0 is created.
Parameters
Name  Type  Description 

x 
number  The x coordinate of the topleft corner of the Rectangle. 
y 
number  The y coordinate of the topleft corner of the Rectangle. 
width 
number  The width of the Rectangle. Should always be either zero or a positive value. 
height 
number  The height of the Rectangle. Should always be either zero or a positive value. 
 Source code: geom/Rectangle.js (Line 18)
Public Properties

bottom : number

The sum of the y and height properties. Changing the bottom property of a Rectangle object has no effect on the x, y and width properties, but does change the height property.
 Source code: geom/Rectangle.js (Line 425)

bottomLeft : Phaser.Point

The location of the Rectangles bottom left corner as a Point object. Gets or sets the location of the Rectangles bottom left corner as a Point object.
 Source code: geom/Rectangle.js (Line 451)

bottomRight : Phaser.Point

The location of the Rectangles bottom right corner as a Point object. Gets or sets the location of the Rectangles bottom right corner as a Point object.
 Source code: geom/Rectangle.js (Line 469)

centerX : number

The x coordinate of the center of the Rectangle.
 Source code: geom/Rectangle.js (Line 558)

centerY : number

The y coordinate of the center of the Rectangle.
 Source code: geom/Rectangle.js (Line 575)

empty : boolean

Determines whether or not this Rectangle object is empty. A Rectangle object is empty if its width or height is less than or equal to 0. If set to true then all of the Rectangle properties are set to 0. Gets or sets the Rectangles empty state.
 Source code: geom/Rectangle.js (Line 683)

[readonly] halfHeight : number

Half of the height of the Rectangle.
 Source code: geom/Rectangle.js (Line 412)

[readonly] halfWidth : number

Half of the width of the Rectangle.
 Source code: geom/Rectangle.js (Line 399)

height : number

The height of the Rectangle. This value should never be set to a negative.
 Source code: geom/Rectangle.js (Line 43)

left : number

The x coordinate of the left of the Rectangle. Changing the left property of a Rectangle object has no effect on the y and height properties. However it does affect the width property, whereas changing the x value does not affect the width property.
 Source code: geom/Rectangle.js (Line 487)

[readonly] perimeter : number

The perimeter size of the Rectangle. This is the sum of all 4 sides.
 Source code: geom/Rectangle.js (Line 544)

randomX : number

A random value between the left and right values (inclusive) of the Rectangle.
 Source code: geom/Rectangle.js (Line 592)

randomY : number

A random value between the top and bottom values (inclusive) of the Rectangle.
 Source code: geom/Rectangle.js (Line 608)

right : number

The sum of the x and width properties. Changing the right property of a Rectangle object has no effect on the x, y and height properties, however it does affect the width property.
 Source code: geom/Rectangle.js (Line 509)

top : number

The y coordinate of the top of the Rectangle. Changing the top property of a Rectangle object has no effect on the x and width properties. However it does affect the height property, whereas changing the y value does not affect the height property.
 Source code: geom/Rectangle.js (Line 624)

topLeft : Phaser.Point

The location of the Rectangles top left corner as a Point object.
 Source code: geom/Rectangle.js (Line 647)

topRight : Phaser.Point

The location of the Rectangles top right corner as a Point object. The location of the Rectangles top left corner as a Point object.
 Source code: geom/Rectangle.js (Line 665)

[readonly] type : number

The const type of this object.
 Source code: geom/Rectangle.js (Line 49)

[readonly] volume : number

The volume of the Rectangle derived from width * height.
 Source code: geom/Rectangle.js (Line 530)

width : number

The width of the Rectangle. This value should never be set to a negative.
 Source code: geom/Rectangle.js (Line 38)

x : number

The x coordinate of the topleft corner of the Rectangle.
 Source code: geom/Rectangle.js (Line 28)

y : number

The y coordinate of the topleft corner of the Rectangle.
 Source code: geom/Rectangle.js (Line 33)
Public Methods

<static> clone(a, output) → {Phaser.Rectangle}

Returns a new Rectangle object with the same values for the x, y, width, and height properties as the original Rectangle object.
Parameters
Name Type Argument Description a
Phaser.Rectangle The Rectangle object.
output
Phaser.Rectangle <optional>
Optional Rectangle object. If given the values will be set into the object, otherwise a brand new Rectangle object will be created and returned.
Returns
 Source code: geom/Rectangle.js (Line 762)

<static> contains(a, x, y) → {boolean}

Determines whether the specified coordinates are contained within the region defined by this Rectangle object.
Parameters
Name Type Description a
Phaser.Rectangle The Rectangle object.
x
number The x coordinate of the point to test.
y
number The y coordinate of the point to test.
Returns
boolean A value of true if the Rectangle object contains the specified point; otherwise false.
 Source code: geom/Rectangle.js (Line 784)

<static> containsPoint(a, point) → {boolean}

Determines whether the specified point is contained within the rectangular region defined by this Rectangle object. This method is similar to the Rectangle.contains() method, except that it takes a Point object as a parameter.
Parameters
Name Type Description a
Phaser.Rectangle The Rectangle object.
point
Phaser.Point The point object being checked. Can be Point or any object with .x and .y values.
Returns
boolean A value of true if the Rectangle object contains the specified point; otherwise false.
 Source code: geom/Rectangle.js (Line 820)

<static> containsRaw(rx, ry, rw, rh, x, y) → {boolean}

Determines whether the specified coordinates are contained within the region defined by the given raw values.
Parameters
Name Type Description rx
number The x coordinate of the top left of the area.
ry
number The y coordinate of the top left of the area.
rw
number The width of the area.
rh
number The height of the area.
x
number The x coordinate of the point to test.
y
number The y coordinate of the point to test.
Returns
boolean A value of true if the Rectangle object contains the specified point; otherwise false.
 Source code: geom/Rectangle.js (Line 803)

<static> containsRect(a, b) → {boolean}

Determines whether the first Rectangle object is fully contained within the second Rectangle object. A Rectangle object is said to contain another if the second Rectangle object falls entirely within the boundaries of the first.
Parameters
Name Type Description a
Phaser.Rectangle The first Rectangle object.
b
Phaser.Rectangle The second Rectangle object.
Returns
boolean A value of true if the Rectangle object contains the specified point; otherwise false.
 Source code: geom/Rectangle.js (Line 833)

<static> equals(a, b) → {boolean}

Determines whether the two Rectangles are equal. This method compares the x, y, width and height properties of each Rectangle.
Parameters
Name Type Description a
Phaser.Rectangle The first Rectangle object.
b
Phaser.Rectangle The second Rectangle object.
Returns
boolean A value of true if the two Rectangles have exactly the same values for the x, y, width and height properties; otherwise false.
 Source code: geom/Rectangle.js (Line 853)

<static> inflate(a, dx, dy) → {Phaser.Rectangle}

Increases the size of the Rectangle object by the specified amounts. The center point of the Rectangle object stays the same, and its size increases to the left and right by the dx value, and to the top and the bottom by the dy value.
Parameters
Name Type Description a
Phaser.Rectangle The Rectangle object.
dx
number The amount to be added to the left side of the Rectangle.
dy
number The amount to be added to the bottom side of the Rectangle.
Returns
This Rectangle object.
 Source code: geom/Rectangle.js (Line 708)

<static> inflatePoint(a, point) → {Phaser.Rectangle}

Increases the size of the Rectangle object. This method is similar to the Rectangle.inflate() method except it takes a Point object as a parameter.
Parameters
Name Type Description a
Phaser.Rectangle The Rectangle object.
point
Phaser.Point The x property of this Point object is used to increase the horizontal dimension of the Rectangle object. The y property is used to increase the vertical dimension of the Rectangle object.
Returns
The Rectangle object.
 Source code: geom/Rectangle.js (Line 727)

<static> intersection(a, b, output) → {Phaser.Rectangle}

If the Rectangle object specified in the toIntersect parameter intersects with this Rectangle object, returns the area of intersection as a Rectangle object. If the Rectangles do not intersect, this method returns an empty Rectangle object with its properties set to 0.
Parameters
Name Type Argument Description a
Phaser.Rectangle The first Rectangle object.
b
Phaser.Rectangle The second Rectangle object.
output
Phaser.Rectangle <optional>
Optional Rectangle object. If given the intersection values will be set into this object, otherwise a brand new Rectangle object will be created and returned.
Returns
A Rectangle object that equals the area of intersection. If the Rectangles do not intersect, this method returns an empty Rectangle object; that is, a Rectangle with its x, y, width, and height properties set to 0.
 Source code: geom/Rectangle.js (Line 880)

<static> intersects(a, b) → {boolean}

Determines whether the two Rectangles intersect with each other. This method checks the x, y, width, and height properties of the Rectangles.
Parameters
Name Type Description a
Phaser.Rectangle The first Rectangle object.
b
Phaser.Rectangle The second Rectangle object.
Returns
boolean A value of true if the specified object intersects with this Rectangle object; otherwise false.
 Source code: geom/Rectangle.js (Line 907)

<static> intersectsRaw(left, right, top, bottom, tolerance) → {boolean}

Determines whether the object specified intersects (overlaps) with the given values.
Parameters
Name Type Description left
number The x coordinate of the left of the area.
right
number The right coordinate of the area.
top
number The y coordinate of the area.
bottom
number The bottom coordinate of the area.
tolerance
number A tolerance value to allow for an intersection test with padding, default to 0
Returns
boolean A value of true if the specified object intersects with the Rectangle; otherwise false.
 Source code: geom/Rectangle.js (Line 926)

<static> sameDimensions(a, b) → {boolean}

Determines if the two objects (either Rectangles or Rectanglelike) have the same width and height values under strict equality.
Parameters
Name Type Description a
Rectanglelike The first Rectangle object.
b
Rectanglelike The second Rectangle object.
Returns
boolean True if the object have equivalent values for the width and height properties.
 Source code: geom/Rectangle.js (Line 867)

<static> size(a, output) → {Phaser.Point}

The size of the Rectangle object, expressed as a Point object with the values of the width and height properties.
Parameters
Name Type Argument Description a
Phaser.Rectangle The Rectangle object.
output
Phaser.Point <optional>
Optional Point object. If given the values will be set into the object, otherwise a brand new Point object will be created and returned.
Returns
The size of the Rectangle object
 Source code: geom/Rectangle.js (Line 740)

<static> union(a, b, output) → {Phaser.Rectangle}

Adds two Rectangles together to create a new Rectangle object, by filling in the horizontal and vertical space between the two Rectangles.
Parameters
Name Type Argument Description a
Phaser.Rectangle The first Rectangle object.
b
Phaser.Rectangle The second Rectangle object.
output
Phaser.Rectangle <optional>
Optional Rectangle object. If given the new values will be set into this object, otherwise a brand new Rectangle object will be created and returned.
Returns
A Rectangle object that is the union of the two Rectangles.
 Source code: geom/Rectangle.js (Line 944)

aabb(points, out) → {Phaser.Rectangle}

Calculates the Axis Aligned Bounding Box (or aabb) from an array of points.
Parameters
Name Type Argument Description points
Array.<Phaser.Point> The array of one or more points.
out
Phaser.Rectangle <optional>
Optional Rectangle to store the value in, if not supplied a new Rectangle object will be created.
Returns
The new Rectangle object.
 Source code: geom/Rectangle.js (Line 963)

ceil()

Runs Math.ceil() on both the x and y values of this Rectangle.
 Source code: geom/Rectangle.js (Line 163)

ceilAll()

Runs Math.ceil() on the x, y, width and height values of this Rectangle.
 Source code: geom/Rectangle.js (Line 174)

centerOn(x, y) → {Phaser.Rectangle}

Centers this Rectangle so that the center coordinates match the given x and y values.
Parameters
Name Type Description x
number The x coordinate to place the center of the Rectangle at.
y
number The y coordinate to place the center of the Rectangle at.
Returns
This Rectangle object
 Source code: geom/Rectangle.js (Line 122)

clone(output) → {Phaser.Rectangle}

Returns a new Rectangle object with the same values for the x, y, width, and height properties as the original Rectangle object.
Parameters
Name Type Argument Description output
Phaser.Rectangle <optional>
Optional Rectangle object. If given the values will be set into the object, otherwise a brand new Rectangle object will be created and returned.
Returns
 Source code: geom/Rectangle.js (Line 259)

contains(x, y) → {boolean}

Determines whether the specified coordinates are contained within the region defined by this Rectangle object.
Parameters
Name Type Description x
number The x coordinate of the point to test.
y
number The y coordinate of the point to test.
Returns
boolean A value of true if the Rectangle object contains the specified point; otherwise false.
 Source code: geom/Rectangle.js (Line 271)

containsRect(b) → {boolean}

Determines whether the first Rectangle object is fully contained within the second Rectangle object. A Rectangle object is said to contain another if the second Rectangle object falls entirely within the boundaries of the first.
Parameters
Name Type Description b
Phaser.Rectangle The second Rectangle object.
Returns
boolean A value of true if the Rectangle object contains the specified point; otherwise false.
 Source code: geom/Rectangle.js (Line 284)

copyFrom(source) → {Phaser.Rectangle}

Copies the x, y, width and height properties from any given object to this Rectangle.
Parameters
Name Type Description source
any The object to copy from.
Returns
This Rectangle object.
 Source code: geom/Rectangle.js (Line 187)

copyTo(source) → {object}

Copies the x, y, width and height properties from this Rectangle to any given object.
Parameters
Name Type Description source
any The object to copy to.
Returns
object This object.
 Source code: geom/Rectangle.js (Line 199)

equals(b) → {boolean}

Determines whether the two Rectangles are equal. This method compares the x, y, width and height properties of each Rectangle.
Parameters
Name Type Description b
Phaser.Rectangle The second Rectangle object.
Returns
boolean A value of true if the two Rectangles have exactly the same values for the x, y, width and height properties; otherwise false.
 Source code: geom/Rectangle.js (Line 297)

floor()

Runs Math.floor() on both the x and y values of this Rectangle.
 Source code: geom/Rectangle.js (Line 139)

floorAll()

Runs Math.floor() on the x, y, width and height values of this Rectangle.
 Source code: geom/Rectangle.js (Line 150)

inflate(dx, dy) → {Phaser.Rectangle}

Increases the size of the Rectangle object by the specified amounts. The center point of the Rectangle object stays the same, and its size increases to the left and right by the dx value, and to the top and the bottom by the dy value.
Parameters
Name Type Description dx
number The amount to be added to the left side of the Rectangle.
dy
number The amount to be added to the bottom side of the Rectangle.
Returns
This Rectangle object.
 Source code: geom/Rectangle.js (Line 216)

intersection(b, out) → {Phaser.Rectangle}

If the Rectangle object specified in the toIntersect parameter intersects with this Rectangle object, returns the area of intersection as a Rectangle object. If the Rectangles do not intersect, this method returns an empty Rectangle object with its properties set to 0.
Parameters
Name Type Description b
Phaser.Rectangle The second Rectangle object.
out
Phaser.Rectangle Optional Rectangle object. If given the intersection values will be set into this object, otherwise a brand new Rectangle object will be created and returned.
Returns
A Rectangle object that equals the area of intersection. If the Rectangles do not intersect, this method returns an empty Rectangle object; that is, a Rectangle with its x, y, width, and height properties set to 0.
 Source code: geom/Rectangle.js (Line 310)

intersects(b) → {boolean}

Determines whether this Rectangle and another given Rectangle intersect with each other. This method checks the x, y, width, and height properties of the two Rectangles.
Parameters
Name Type Description b
Phaser.Rectangle The second Rectangle object.
Returns
boolean A value of true if the specified object intersects with this Rectangle object; otherwise false.
 Source code: geom/Rectangle.js (Line 323)

intersectsRaw(left, right, top, bottom, tolerance) → {boolean}

Determines whether the coordinates given intersects (overlaps) with this Rectangle.
Parameters
Name Type Description left
number The x coordinate of the left of the area.
right
number The right coordinate of the area.
top
number The y coordinate of the area.
bottom
number The bottom coordinate of the area.
tolerance
number A tolerance value to allow for an intersection test with padding, default to 0
Returns
boolean A value of true if the specified object intersects with the Rectangle; otherwise false.
 Source code: geom/Rectangle.js (Line 337)

offset(dx, dy) → {Phaser.Rectangle}

Adjusts the location of the Rectangle object, as determined by its topleft corner, by the specified amounts.
Parameters
Name Type Description dx
number Moves the x value of the Rectangle object by this amount.
dy
number Moves the y value of the Rectangle object by this amount.
Returns
This Rectangle object.
 Source code: geom/Rectangle.js (Line 55)

offsetPoint(point) → {Phaser.Rectangle}

Adjusts the location of the Rectangle object using a Point object as a parameter. This method is similar to the Rectangle.offset() method, except that it takes a Point object as a parameter.
Parameters
Name Type Description point
Phaser.Point A Point object to use to offset this Rectangle object.
Returns
This Rectangle object.
 Source code: geom/Rectangle.js (Line 71)

random(out) → {Phaser.Point}

Returns a uniformly distributed random point from anywhere within this Rectangle.
Parameters
Name Type Argument Description out
Phaser.Point  object <optional>
A Phaser.Point, or any object with public x/y properties, that the values will be set in. If no object is provided a new Phaser.Point object will be created. In high performance areas avoid this by reusing an existing object.
Returns
An object containing the random point in its
x
andy
properties. Source code: geom/Rectangle.js (Line 367)

resize(width, height) → {Phaser.Rectangle}

Resize the Rectangle by providing a new width and height. The x and y positions remain unchanged.
Parameters
Name Type Description width
number The width of the Rectangle. Should always be either zero or a positive value.
height
number The height of the Rectangle. Should always be either zero or a positive value.
Returns
This Rectangle object
 Source code: geom/Rectangle.js (Line 241)

scale(x, y) → {Phaser.Rectangle}

Scales the width and height of this Rectangle by the given amounts.
Parameters
Name Type Argument Description x
number The amount to scale the width of the Rectangle by. A value of 0.5 would reduce by half, a value of 2 would double the width, etc.
y
number <optional>
The amount to scale the height of the Rectangle by. A value of 0.5 would reduce by half, a value of 2 would double the height, etc.
Returns
This Rectangle object
 Source code: geom/Rectangle.js (Line 103)

setTo(x, y, width, height) → {Phaser.Rectangle}

Sets the members of Rectangle to the specified values.
Parameters
Name Type Description x
number The x coordinate of the topleft corner of the Rectangle.
y
number The y coordinate of the topleft corner of the Rectangle.
width
number The width of the Rectangle. Should always be either zero or a positive value.
height
number The height of the Rectangle. Should always be either zero or a positive value.
Returns
This Rectangle object
 Source code: geom/Rectangle.js (Line 83)

size(output) → {Phaser.Point}

The size of the Rectangle object, expressed as a Point object with the values of the width and height properties.
Parameters
Name Type Argument Description output
Phaser.Point <optional>
Optional Point object. If given the values will be set into the object, otherwise a brand new Point object will be created and returned.
Returns
The size of the Rectangle object.
 Source code: geom/Rectangle.js (Line 229)

toString() → {string}

Returns a string representation of this object.
Returns
string A string representation of the instance.
 Source code: geom/Rectangle.js (Line 386)

union(b, out) → {Phaser.Rectangle}

Adds two Rectangles together to create a new Rectangle object, by filling in the horizontal and vertical space between the two Rectangles.
Parameters
Name Type Argument Description b
Phaser.Rectangle The second Rectangle object.
out
Phaser.Rectangle <optional>
Optional Rectangle object. If given the new values will be set into this object, otherwise a brand new Rectangle object will be created and returned.
Returns
A Rectangle object that is the union of the two Rectangles.
 Source code: geom/Rectangle.js (Line 354)