al_draw_arc man page

al_draw_arc — Allegro 5 API

Synopsis

#include <allegro5/allegro_primitives.h>

void al_draw_arc(float cx, float cy, float r, float start_theta,
   float delta_theta, ALLEGRO_COLOR color, float thickness)

Description

Draws an arc.

Parameters:

·
cx, cy - Center of the arc
·
r - Radius of the arc
·
color - Color of the arc
·
start_theta - The initial angle from which the arc is calculated in radians
·
delta_theta - Angular span of the arc in radians (pass a negative number to switch direction)
·
thickness - Thickness of the arc, pass <= 0 to draw hairline arc

See Also

al_calculate_arc(3), al_draw_elliptical_arc(3)

Referenced By

al_calculate_arc(3), al_draw_elliptical_arc(3).

Allegro reference manual