Core3D

Polygon class

A polygon utility class.

Signature:

declare class Polygon

Constructor	Modifiers	Description
(constructor)({ holes, points, })		Constructor.

Property	Modifiers	Type	Description
holes	`readonly`	Polygon[]	The primary polygon points.
points	`readonly`	Point[]	The list of polygon holes.

Method	Modifiers	Description
compare(a, b)	`static`	Suitable for use in Array.sort.
contains(point)		Check whether this polygon contains a point.
flipY()		Flip the Y coordinate for all points and holes.
getArea()		Get the area of the polygon.
getBoundingBox()		Get the bounding box of this polygon.
getCenter()		Get the center of the bounding box.
intersects(polygon)		Check whether this polygon intersects with the given polygon.
merge(polygons)		Merge a polygon with this polygon.
toJSON()
toSVGPath(size)