NAME

VG_Circle — agar-vg circle entity

SYNOPSIS

#include <agar/core.h>
#include <agar/gui.h>
#include <agar/vg.h>

DESCRIPTION

VG_Circle is a VG(3) node class which describes a circle in terms of a centerpoint and a radius value.

INTERFACE

VG_Circle *
VG_CircleNew(VG_Node *parent, VG_Point *centerPoint, float r);

void
VG_CircleCenter(VG_Circle *vc, VG_Point *centerPoint);

void
VG_CircleRadius(VG_Arc *vc, float r);

The VG_CircleNew() function creates a new circle entity attached to parent. centerPoint is a VG_Point(3) defining the center and r is the radius.

The VG_CircleCenter() routine changes the centerpoint of an existing VG_Circle. VG_CircleRadius() changes the radius.

SEE ALSO

VG(3), VG_Arc(3), VG_Point(3)

HISTORY

The VG_Circle class first appeared in Agar 1.3.3.