class:: Point
summary:: Cartesian point
related:: Classes/Polar, Classes/Complex
categories:: Geometry

description::
Defines a point on the Cartesian plane.

classmethods::

method::new
Defines a new point.

instancemethods::

subsection:: Accessing

method::x
Get or set the x coordinate value.

method::y
Get or set the y coordinate value.

method::set
Sets the point x and y values.

subsection:: Testing

method::==
Answers a Boolean whether the receiver equals the argument.

method::hash
Returns a hash value for the receiver.

subsection:: Math

method::+
Addition.

method::-
Subtraction.

method::*
Multiplication.

method::/
Division.

method::translate
Addition by a Point.

method::scale
Multiplication by a Point.

method::rotate
Rotation about the origin by the angle given in radians.

method::abs
Absolute value of the point.

method::rho
Return the polar coordinate radius of the receiver.

method::theta
Return the polar coordinate angle of the receiver.

method::dist
Return the distance from the receiver to aPoint.

method::transpose
Return a Point whose x and y coordinates are swapped.

method::round
Round the coordinate values to a multiple of quantum.

method::trunc
Truncate the coordinate values to a multiple of quantum.

subsection:: Conversion

method::asPoint
Returns the receiver.

method::asComplex
Returns a complex number with x as the real part and y as the imaginary part.

method::asString
Return a string representing the receiver.