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Point

A point representing a location (x, y) in two-dimensional coordinate space.

x number

The X coordinate of the point.

y number

The Y coordinate of the point.

Constructors

Point (x?: number, y?: number)

Creates a point with the specified coordinates.

Parameters

x? number

The X coordinate of the point.

y? number

The Y coordinate of the point.

Methods

addObserver

Adds an observer to be notified for changes.

Parameters

observer GeometryObserver

The observer to add.

Returns

Point - The current Arc instance.

clone

Creates a new instance with the same coordinates.

Returns

Point - A new Point instance with the same coordinates.

distanceTo

Calculates the distance to another point.

Parameters

point Point

The point to calculate the distance to.

Returns

number - The straight-line distance to the given point.

equals

Compares this point with another instance.

Parameters

other Point

The point to compare with.

Returns

boolean true if the point coordinates match. Otherwise, returns false.

getX

Gets the x coordinate value.

Returns

number - The current X-coordinate value.

getY

Gets the Y-coordinate value.

Returns

number - The current Y-coordinate value.

move

Moves the point to the specified X and Y coordinates.

Parameters

x number

The new X coordinate.

y number

The new Y coordinate.

Returns

Point - The current point instance.

observers

Returns the list of observers.

Returns

GeometryObserver[] - The current observers.

removeObserver

Stops notifying the specified observer for changes.

Parameters

observer GeometryObserver

The observer to remove.

Returns

Point - The current Arc instance.

resume

Resumes the notification to all observers for changes.

Returns

Point - The current Arc instance.

rotate

Rotates the point around the given center.

Parameters

angle number

The angle in decimal degrees. Measured in a clockwise direction with 0 (zero) pointing "right". Negative values or values greater than 360 are normalized.

center Point | number[]

The rotation center. Can be a Point instance or an [x, y] array.

Returns

Point - The current Point instance.

round

Rounds the point coordinates to the specified number of fractional digits.

Parameters

digits number

The number of fractional digits.

Returns

Point - The current Point instance.

scale

Scales the point coordinates along the X and Y axis.

Parameters

scaleX number

The X scale multiplier.

scaleY number

The Y scale multiplier.

Returns

Point - The current Point instance.

scaleCopy

Scales the point coordinates on a copy of the current point. The callee coordinates will remain unchanged.

Parameters

scaleX number

The X scale multiplier.

scaleY number

The Y scale multiplier.

Returns

Point - The current Point instance.

setX

Sets the X coordinate to a new value.

Parameters

value number

The new X coordinate value.

Returns

Point - The current Point instance.

setY

Sets the Y coordinate to a new value.

Parameters

value number

The new Y coordinate value.

Returns

Point - The current Point instance.

suspend

Suspends the change notifications to all observers.

Returns

Point - The current Arc instance.

toArray

Returns the point coordinates as an [X, Y] array.

Parameters

digits? number

The number of fractional digits.

Returns

number[] - An array representation of the point. For example, [10, 20].

toString

Formats the point value to a string.

Parameters

digits? number

The number of fractional digits.

separator? string

The separator to place between coordinates.

Returns

string - A string representation of the point. For example, "10, 20".

transform

Applies a transformation to the point coordinates. The current coordinates will be overridden.

Parameters

tansformation Transformation

The transformation to apply.

Returns

Point - The current Point instance.

transformCopy

Applies a transformation on a copy of the current point. The callee coordinates will remain unchanged.

Parameters

tansformation Transformation

The transformation to apply.

Returns

Point - The new Point instance.

translate

Translates the point along the X and Y axis.

Parameters

dx number

The distance to move along the X axis.

dy number

The distance to move along the Y axis.

Returns

Point - The current Point instance.

translateWith

Translates the point by using a Point instance as a vector of translation.

Parameters

vector Point | number[]

The vector of translation. Can be either a Point instance or an [x, y] array.

Returns

Point - The current point instance.

create

Creates a Point instance with the specified coordinates.

Parameters

x number

The X coordinate of the point

y number

The Y coordinate of the point.

Returns

Point - The new Point instance.

create

Creates a Point instance with the specified coordinates.

Parameters

coords number[]

An array of X and Y coordinates.

Returns

Point - The new Point instance.

create

Returns the supplied Point instance.

Parameters

point Point

An existing Point instance.

Returns

Point - The supplied Point instance.

max

Returns the Point with maximum X and Y coordinates.

Parameters

points Point[]

The points to evaluate.

Returns

Point - The Point with maximum X and Y coordinates.

maxPoint

Returns a Point with the largest representable coordinates.

Returns

Point - A new Point instance with maximum coordinates.

min

Returns the Point with minimum X and Y coordinates.

Parameters

points Point[]

The points to evaluate.

Returns

Point - The Point with minimum X and Y coordinates.

minPoint

Returns a Point with the smallest representable coordinates.

Returns

Point - A new Point instance with minimum coordinates.