al_draw_elliptical_arc - Man Page

#include <allegro5/allegro_primitives.h>

void al_draw_elliptical_arc(float cx, float cy, float rx, float ry, float start_theta,
   float delta_theta, ALLEGRO_COLOR color, float thickness)

Draws an elliptical arc.

Parameters:

• cx, cy - Center of the arc
• rx, ry - Radii 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

5.0.6, 5.1.0

al_calculate_arc(3), al_draw_arc(3)

al_draw_arc(3).