TCircle¶

TCircle related methods

type definition is found in shared/globals.simba

TCircle.ToTPA¶

function TCircle.ToTPA(): TPointArray; constref;

Returns a full TPA of the circles circumference

function TCircle.Bounds(): TBox; constref;

Return a TBox covering the circle

function TCircle.Contains(p: TPoint): Boolean; constref;

Test if the point is within the circle

function TCircle.CircumferenceTPA(): TPointArray; constref;

Alias of .ToTPA

function TCircle.Mean(): TPoint; constref;

Middle of the circle, same as Point(Circle.X, Circle.Y)

function TCircle.Circumference(): Double; constref;

Returns the distance around the outside of a circle.

function TCircle.Area(): Double; constref;

Returns the area the circle covers

function TCircle.Filter(TestSet: TPointArray): TPointArray; constref;

Extract all the points from TestSet that fits within this circle.

function TCircle.Expand(Inc: Int32): TCircle; constref;

Increase or decrease the radius of the circle, same as Circle.Radius + Incr.