Point2D Class Reference

Two-dimensional point. More...

Public Member Functions
	Point2D (number x, number y)
	Constructor.
self	Shift (number x, number y)
	Shifts the point.
self	Rotate (Point2D point, number angle)
	Rotates the point.
self	Scale (Point2D fixedPoint, number xScale, number yScale)
	Scales the point.
self	Transform (Matrix2D matrix)
	Transforms according to the matrix.
Point2D	Clone ()
	Returns a copy of the object.
number	GetX ()
	Returns the x-coordinate of the point.
number	GetY ()
	Returns the y-coordinate of the point.
boolean	operator== (Point2D other)
	Checks for equality.
boolean	operator~= (Point2D other)
	Checks for inequality.

Detailed Description

Two-dimensional point.

Member Function Documentation

Rotate()

self Rotate	(	Point2D	point,
		number	angle )

Rotates the point.

Parameters

point	Center of rotation.
angle	The angle in radians.

Scale()

self Scale	(	Point2D	fixedPoint,
		number	xScale,
		number	yScale )

Scales the point.

Parameters

fixedPoint	Fixed point.
xScale	X scale coefficient.
yScale	Y scale coefficient.