Allegro 5 api
#include <allegro5/allegro_primitives.h> void al_draw_ellipse(float cx, float cy, float rx, float ry, ALLEGRO_COLOR color, float thickness)
Draws an outlined ellipse.
Parameters:
cx, cy - Center of the ellipse
rx, ry - Radii of the ellipse
color - Color of the ellipse
thickness - Thickness of the ellipse, pass <= 0 to draw a hairline ellipse
al_draw_filled_ellipse(3alleg5), al_draw_circle(3alleg5)