SYNOPSIS

#include <allegro5/allegro_primitives.h>
void al_draw_line(float x1, float y1, float x2, float y2,
   ALLEGRO_COLOR color, float thickness)

DESCRIPTION

Draws a line segment between two points.

Parameters:

• x1, y1, x2, y2 - Start and end points of the line
• color - Color of the line
• thickness - Thickness of the line, pass <= 0 to draw hairline lines