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
HISTORY
The
VG_Circle class first appeared in
Agar 1.3.3.
