Class: Point

Members

<readonly> type : number

The const type of this object.

Type:

• number

Source:

src/geom/Point.js line 38

x : number

The x value of the point.

Type:

• number

Source:

src/geom/Point.js line 27

y : number

The y value of the point.

Type:

• number

Source:

src/geom/Point.js line 32

Methods

<static> add(a, b [, out])

Adds the coordinates of two points together to create a new point.

Parameters:

Name	Type	Argument	Description
a	Phaser.Point		The first Point object.
b	Phaser.Point		The second Point object.
out	Phaser.Point	<optional>	Optional Point to store the value in, if not supplied a new Point object will be created.

Source:

src/geom/Point.js line 684

Returns:

The new Point object.

Type

Phaser.Point

<static> angle(a, b)

Returns the angle between two Point objects.

Parameters:

Name	Type	Description
a	Phaser.Point	The first Point object.
b	Phaser.Point	The second Point object.

Source:

src/geom/Point.js line 806

Returns:

The angle, where b is the vertex. Within [-pi, pi].

Type

number

<static> centroid(points [, out])

Calculates centroid (or midpoint) from an array of points. If only one point is provided, that point is returned.

Parameters:

Name	Type	Argument	Description
points	Array.<Phaser.Point>		The array of one or more points.
out	Phaser.Point	<optional>	Optional Point to store the value in, if not supplied a new Point object will be created.

Source:

src/geom/Point.js line 1064

Returns:

The new Point object.

Type

Phaser.Point

<static> distance(a, b [, round])

Returns the euclidian distance of this Point object to the given object (can be a Circle, Point or anything with x/y properties).

Parameters:

Name	Type	Argument	Default	Description
a	object			The target object. Must have visible x and y properties that represent the center of the object.
b	object			The target object. Must have visible x and y properties that represent the center of the object.
round	boolean	<optional>	false	Round the distance to the nearest integer.

Source:

src/geom/Point.js line 910

Returns:

The distance between this Point object and the destination Point object.

Type

number

<static> divide(a, b [, out])

Divides the coordinates of two points to create a new point.

Parameters:

Name	Type	Argument	Description
a	Phaser.Point		The first Point object.
b	Phaser.Point		The second Point object.
out	Phaser.Point	<optional>	Optional Point to store the value in, if not supplied a new Point object will be created.

Source:

src/geom/Point.js line 747

Returns:

The new Point object.

Type

Phaser.Point

<static> equals(a, b)

Determines whether the two given Point objects are equal. They are considered equal if they have the same x and y values.

Parameters:

Name	Type	Description
a	Phaser.Point	The first Point object.
b	Phaser.Point	The second Point object.

Source:

src/geom/Point.js line 768

Returns:

A value of true if the Points are equal, otherwise false.

Type

boolean

<static> interpolate(a, b, f [, out])

Interpolates the two given Points, based on the f value (between 0 and 1) and returns a new Point.

Parameters:

Name	Type	Argument	Description
a	Phaser.Point		The first Point object.
b	Phaser.Point		The second Point object.
f	number		The level of interpolation between the two points. Indicates where the new point will be, along the line between pt1 and pt2. If f=1, pt1 is returned; if f=0, pt2 is returned.
out	Phaser.Point	<optional>	Optional Point to store the value in, if not supplied a new Point object will be created.

Source:

src/geom/Point.js line 857

Returns:

The new Point object.

Type

Phaser.Point

<static> isPoint(obj)

Tests a Point or Point-like object.

Parameters:

Name	Type	Description
obj	object	The object to test.

Source:

src/geom/Point.js line 1155

Returns:

• True if the object has numeric x and y properties.

Type

boolean

<static> multiply(a, b [, out])

Multiplies the coordinates of two points to create a new point.

Parameters:

Name	Type	Argument	Description
a	Phaser.Point		The first Point object.
b	Phaser.Point		The second Point object.
out	Phaser.Point	<optional>	Optional Point to store the value in, if not supplied a new Point object will be created.

Source:

src/geom/Point.js line 726

Returns:

The new Point object.

Type

Phaser.Point

<static> multiplyAdd(a, b, s [, out])

Adds two 2D Points together and multiplies the result by the given scalar.

Parameters:

Name	Type	Argument	Description
a	Phaser.Point		The first Point object.
b	Phaser.Point		The second Point object.
s	number		The scaling value.
out	Phaser.Point	<optional>	Optional Point to store the value in, if not supplied a new Point object will be created.

Source:

src/geom/Point.js line 838

Returns:

The new Point object.

Type

Phaser.Point

<static> negative(a [, out])

Creates a negative Point.

Parameters:

Name	Type	Argument	Description
a	Phaser.Point		The first Point object.
out	Phaser.Point	<optional>	Optional Point to store the value in, if not supplied a new Point object will be created.

Source:

src/geom/Point.js line 821

Returns:

The new Point object.

Type

Phaser.Point

<static> normalize(a [, out])

Normalize (make unit length) a Point.

Parameters:

Name	Type	Argument	Description
a	Phaser.Point		The Point object.
out	Phaser.Point	<optional>	Optional Point to store the value in, if not supplied a new Point object will be created.

Source:

src/geom/Point.js line 994

Returns:

The new Point object.

Type

Phaser.Point

<static> normalRightHand(a [, out])

Right-hand normalize (make unit length) a Point.

Parameters:

Name	Type	Argument	Description
a	Phaser.Point		The Point object.
out	Phaser.Point	<optional>	Optional Point to store the value in, if not supplied a new Point object will be created.

Source:

src/geom/Point.js line 977

Returns:

The new Point object.

Type

Phaser.Point

<static> parse(obj [, xProp] [, yProp])

Parses an object for x and/or y properties and returns a new Phaser.Point with matching values. If the object doesn't contain those properties a Point with x/y of zero will be returned.

Parameters:

Name	Type	Argument	Default	Description
obj	object			The object to parse.
xProp	string	<optional>	'x'	The property used to set the Point.x value.
yProp	string	<optional>	'y'	The property used to set the Point.y value.

Source:

src/geom/Point.js line 1106

Returns:

The new Point object.

Type

Phaser.Point

<static> perp(a [, out])

Return a perpendicular vector (90 degrees rotation)

Parameters:

Name	Type	Argument	Description
a	Phaser.Point		The Point object.
out	Phaser.Point	<optional>	Optional Point to store the value in, if not supplied a new Point object will be created.

Source:

src/geom/Point.js line 876

Returns:

The new Point object.

Type

Phaser.Point

<static> project(a, b [, out])

Project two Points onto another Point.

Parameters:

Name	Type	Argument	Description
a	Phaser.Point		The first Point object.
b	Phaser.Point		The second Point object.
out	Phaser.Point	<optional>	Optional Point to store the value in, if not supplied a new Point object will be created.

Source:

src/geom/Point.js line 927

Returns:

The new Point object.

Type

Phaser.Point

<static> projectUnit(a, b [, out])

Project two Points onto a Point of unit length.

Parameters:

Name	Type	Argument	Description
a	Phaser.Point		The first Point object.
b	Phaser.Point		The second Point object.
out	Phaser.Point	<optional>	Optional Point to store the value in, if not supplied a new Point object will be created.

Source:

src/geom/Point.js line 952

Returns:

The new Point object.

Type

Phaser.Point

<static> rotate(a, x, y, angle [, asDegrees] [, distance])

Rotates a Point object, or any object with exposed x/y properties, around the given coordinates by the angle specified. If the angle between the point and coordinates was 45 deg and the angle argument is 45 deg then the resulting angle will be 90 deg, as the angle argument is added to the current angle.

The distance allows you to specify a distance constraint for the rotation between the point and the coordinates. If none is given the distance between the two is calculated and used.

Parameters:

Name	Type	Argument	Default	Description
a	Phaser.Point			The Point object to rotate.
x	number			The x coordinate of the anchor point
y	number			The y coordinate of the anchor point
angle	number			The angle in radians (unless asDegrees is true) to rotate the Point by.
asDegrees	boolean	<optional>	false	Is the given angle in radians (false) or degrees (true)?
distance	number	<optional>		An optional distance constraint between the Point and the anchor.

Source:

src/geom/Point.js line 1018

Returns:

The modified point object.

Type

Phaser.Point

<static> rperp(a [, out])

Return a perpendicular vector (-90 degrees rotation)

Parameters:

Name	Type	Argument	Description
a	Phaser.Point		The Point object.
out	Phaser.Point	<optional>	Optional Point to store the value in, if not supplied a new Point object will be created.

Source:

src/geom/Point.js line 893

Returns:

The new Point object.

Type

Phaser.Point

<static> subtract(a, b [, out])

Subtracts the coordinates of two points to create a new point.

Parameters:

Name	Type	Argument	Description
a	Phaser.Point		The first Point object.
b	Phaser.Point		The second Point object.
out	Phaser.Point	<optional>	Optional Point to store the value in, if not supplied a new Point object will be created.

Source:

src/geom/Point.js line 705

Returns:

The new Point object.

Type

Phaser.Point

<static> trunc(obj)

Truncates the x and y values, removing any fractional parts.

Parameters:

Name	Type	Description
obj	object	The Point.

Source:

src/geom/Point.js line 1139

Returns:

The modified Point.

Type

object

add(x, y)

Adds the given x and y values to this Point.

Parameters:

Name	Type	Description
x	number	The value to add to Point.x.
y	number	The value to add to Point.y.

Source:

src/geom/Point.js line 128

Returns:

This Point object. Useful for chaining method calls.

Type

Phaser.Point

angle(a [, asDegrees])

Returns the angle between this Point object and another object with public x and y properties.

Parameters:

Name	Type	Argument	Default	Description
a	Phaser.Point | any			The object to get the angle from this Point to.
asDegrees	boolean	<optional>	false	Return a value in radians (false) or degrees (true)?

Source:

src/geom/Point.js line 367

Returns:

The angle, where this Point is the vertex. Within [-pi, pi] or [-180deg, 180deg].

Type

number

angleXY(x, y [, asDegrees])

Returns the angle between this Point object and an x-y coordinate pair.

Parameters:

Name	Type	Argument	Default	Description
x	number			The x-coordinate
y	number			The y-coordinate
asDegrees	boolean	<optional>	false	Return a value in radians (false) or degrees (true)?

Source:

src/geom/Point.js line 382

Returns:

The angle, where this Point is the vertex. Within [-pi, pi] or [-180deg, 180deg].

Type

number

atan( [asDegrees])

Returns the arctangent of this Point.

Parameters:

Name	Type	Argument	Default	Description
asDegrees	boolean	<optional>	false	Return a value in radians (false) or degrees (true)?

Source:

src/geom/Point.js line 407

Returns:

The angle, where the vertex is (0, 0). Within [-pi, pi] or [-180deg, 180deg].

Type

number

ceil()

Math.ceil() both the x and y properties of this Point.

Source:

src/geom/Point.js line 641

Returns:

This Point object.

Type

Phaser.Point

clamp(min, max)

Clamps this Point object values to be between the given min and max.

Parameters:

Name	Type	Description
min	number	The minimum value to clamp this Point to.
max	number	The maximum value to clamp this Point to.

Source:

src/geom/Point.js line 228

Returns:

This Point object.

Type

Phaser.Point

clampX(min, max)

Clamps the x value of this Point to be between the given min and max.

Parameters:

Name	Type	Description
min	number	The minimum value to clamp this Point to.
max	number	The maximum value to clamp this Point to.

Source:

src/geom/Point.js line 196

Returns:

This Point object.

Type

Phaser.Point

clampY(min, max)

Clamps the y value of this Point to be between the given min and max

Parameters:

Name	Type	Description
min	number	The minimum value to clamp this Point to.
max	number	The maximum value to clamp this Point to.

Source:

src/geom/Point.js line 212

Returns:

This Point object.

Type

Phaser.Point

clip(rect)

If this Point is not within the given object, moves it inside (at the nearest edge).

Parameters:

Name	Type	Description
rect	any	A Phaser.Rectangle or any object with left, top, right, and bottom properties.

Source:

src/geom/Point.js line 245

Returns:

This Point object.

Type

Phaser.Point

clone( [output])

Creates a copy of the given Point.

Parameters:

Name	Type	Argument	Description
output	Phaser.Point	<optional>	Optional Point object. If given the values will be set into this object, otherwise a brand new Point object will be created and returned.

Source:

src/geom/Point.js line 269

Returns:

The new Point object.

Type

Phaser.Point

copyFrom(source)

Copies the x and y properties from any given object to this Point.

Parameters:

Name	Type	Description
source	any	The object to copy from.

Source:

src/geom/Point.js line 44

Returns:

This Point object.

Type

Phaser.Point

copyTo(dest)

Copies the x and y properties from this Point to any given object.

Parameters:

Name	Type	Description
dest	any	The object to copy to.

Source:

src/geom/Point.js line 292

Returns:

The dest object.

Type

object

cross(a)

The cross product of this and another Point object.

Parameters:

Name	Type	Description
a	Phaser.Point	The Point object to get the cross product combined with this Point.

Source:

src/geom/Point.js line 575

Returns:

The result.

Type

number

distance(dest [, round])

Returns the distance of this Point object to the given object (can be a Circle, Point or anything with x/y properties)

Parameters:

Name	Type	Argument	Description
dest	object		The target object. Must have visible x and y properties that represent the center of the object.
round	boolean	<optional>	Round the distance to the nearest integer (default false).

Source:

src/geom/Point.js line 309

Returns:

The distance between this Point object and the destination Point object.

Type

number

divide(x, y)

Divides Point.x and Point.y by the given x and y values.

Parameters:

Name	Type	Description
x	number	The value to divide Point.x by.
y	number	The value to divide Point.x by.

Source:

src/geom/Point.js line 179

Returns:

This Point object. Useful for chaining method calls.

Type

Phaser.Point

dot(a)

The dot product of this and another Point object.

Parameters:

Name	Type	Description
a	Phaser.Point	The Point object to get the dot product combined with this Point.

Source:

src/geom/Point.js line 561

Returns:

The result.

Type

number

equals(a)

Determines whether the given objects x/y values are equal to this Point object.

Parameters:

Name	Type	Description
a	Phaser.Point | any	The object to compare with this Point.

Source:

src/geom/Point.js line 324

Returns:

A value of true if the x and y points are equal, otherwise false.

Type

boolean

equalsXY(x, y)

Determines whether a set of x-y coordinates are equal to this Point's.

Parameters:

Name	Type	Description
x	number	The x-coordinate to compare with this Point.
y	number	The y-coordinate to compare with this Point.

Source:

src/geom/Point.js line 338

Returns:

A value of true if the Point's coordinates are identical to the arguments, otherwise false.

Type

boolean

expand(min)

Alters the Point object so its magnitude is at least the min value.

Parameters:

Name	Type	Description
min	number	The minimum magnitude for the Point.

Source:

src/geom/Point.js line 528

See:

• Phaser.Point#limit

Returns:

This Point object.

Type

Phaser.Point

floor()

Math.floor() both the x and y properties of this Point.

Source:

src/geom/Point.js line 628

Returns:

This Point object.

Type

Phaser.Point

getMagnitude()

Calculates the length of the Point object.

Source:

src/geom/Point.js line 448

Returns:

The length of the Point.

Type

number

getMagnitudeSq()

Calculates the length squared of the Point object.

Source:

src/geom/Point.js line 461

Returns:

The length ^ 2 of the Point.

Type

number

invert()

Inverts the x and y values of this Point

Source:

src/geom/Point.js line 58

Returns:

This Point object.

Type

Phaser.Point

isZero()

Determine if this point is at 0,0.

Source:

src/geom/Point.js line 548

Returns:

True if this Point is 0,0, otherwise false.

Type

boolean

limit(max)

Alters the Point object so its magnitude is at most the max value.

Parameters:

Name	Type	Description
max	number	The maximum magnitude for the Point.

Source:

src/geom/Point.js line 508

See:

• Phaser.Point#expand

Returns:

This Point object.

Type

Phaser.Point

multiply(x, y)

Multiplies Point.x and Point.y by the given x and y values. Sometimes known as Scale.

Parameters:

Name	Type	Description
x	number	The value to multiply Point.x by.
y	number	The value to multiply Point.x by.

Source:

src/geom/Point.js line 162

Returns:

This Point object. Useful for chaining method calls.

Type

Phaser.Point

normalize()

Alters the Point object so that its length is 1, but it retains the same direction.

Source:

src/geom/Point.js line 488

Returns:

This Point object.

Type

Phaser.Point

normalRightHand()

Right-hand normalize (make unit length) this Point.

Source:

src/geom/Point.js line 615

Returns:

This Point object.

Type

Phaser.Point

perp()

Make this Point perpendicular (90 degrees rotation)

Source:

src/geom/Point.js line 589

Returns:

This Point object.

Type

Phaser.Point

rotate(x, y, angle [, asDegrees] [, distance])

Rotates this Point around the x/y coordinates given to the desired angle.

Parameters:

Name	Type	Argument	Default	Description
x	number			The x coordinate of the anchor point.
y	number			The y coordinate of the anchor point.
angle	number			The angle in radians (unless asDegrees is true) to rotate the Point to.
asDegrees	boolean	<optional>	false	Is the given angle in radians (false) or degrees (true)?
distance	number	<optional>		An optional distance constraint between the Point and the anchor.

Source:

src/geom/Point.js line 430

Returns:

The modified point object.

Type

Phaser.Point

round()

Math.round() both the x and y properties of this Point.

Source:

src/geom/Point.js line 654

Returns:

This Point object.

Type

Phaser.Point

rperp()

Make this Point perpendicular (-90 degrees rotation)

Source:

src/geom/Point.js line 602

Returns:

This Point object.

Type

Phaser.Point

set(obj, x [, y])

Sets the x and y values of an object and returns the object.

Parameters:

Name	Type	Argument	Description
obj	object		An object with numeric x and y properties.
x	number		The x value.
y	number	<optional>	The y value. If not given the x value will be used in its place.

Source:

src/geom/Point.js line 1170

Returns:

The object. Useful for chaining method calls.

Type

object

set(x [, y])

Sets the x and y values of this Point object to the given values. If you omit the y value then the x value will be applied to both, for example: Point.set(2) is the same as Point.set(2, 2)

Identical to setTo.

Parameters:

Name	Type	Argument	Description
x	number		The horizontal value of this point.
y	number	<optional>	The vertical value of this point. If not given the x value will be used in its place.

Source:

src/geom/Point.js line 90

Returns:

This Point object. Useful for chaining method calls.

Type

Phaser.Point

setMagnitude(magnitude)

Alters the length of the Point without changing the direction.

Parameters:

Name	Type	Description
magnitude	number	The desired magnitude of the resulting Point.

Source:

src/geom/Point.js line 474

Returns:

This Point object.

Type

Phaser.Point

setTo(x [, y])

Sets the x and y values of this Point object to the given values. If you omit the y value then the x value will be applied to both, for example: Point.setTo(2) is the same as Point.setTo(2, 2)

Identical to set.

Parameters:

Name	Type	Argument	Description
x	number		The horizontal value of this point.
y	number	<optional>	The vertical value of this point. If not given the x value will be used in its place.

Source:

src/geom/Point.js line 71

Returns:

This Point object. Useful for chaining method calls.

Type

Phaser.Point

setToPolar(azimuth [, radius] [, asDegrees])

Sets the x and y values of this Point object from a given polar coordinate.

Parameters:

Name	Type	Argument	Default	Description
azimuth	number			The angular coordinate, in radians (unless asDegrees).
radius	number	<optional>	1	The radial coordinate (length).
asDegrees	boolean	<optional>	false	True if azimuth is in degrees.

Source:

src/geom/Point.js line 109

Returns:

This Point object. Useful for chaining method calls.

Type

Phaser.Point

sortClockwise(points [, center])

Sorts an array of points in a clockwise direction, relative to a reference point.

The sort is clockwise relative to the display, starting from a 12 o'clock position. (In the Cartesian plane, it is anticlockwise, starting from the -y direction.)

Example sequence: (0, -1), (1, 0), (0, 1), (-1, 0)

Parameters:

Name	Type	Argument	Description
points	array		An array of Points or point-like objects (e.g., sprites).
center	object | Phaser.Point	<optional>	The reference point. If omitted, the #centroid (midpoint) of the points is used.

Source:

src/geom/Point.js line 1190

Returns:

The sorted array.

Type

array

subtract(x, y)

Subtracts the given x and y values from this Point.

Parameters:

Name	Type	Description
x	number	The value to subtract from Point.x.
y	number	The value to subtract from Point.y.

Source:

src/geom/Point.js line 145

Returns:

This Point object. Useful for chaining method calls.

Type

Phaser.Point

toString()

Returns a string representation of this object.

Source:

src/geom/Point.js line 667

Returns:

A string representation of the instance.

Type

string