rsc3/doc-schelp/HelpSource/Classes/Point.schelp

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2022-08-24 13:53:18 +00:00
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.