DOKK / manpages / debian 10 / allegro5-doc / al_draw_triangle.3alleg5.en
al_draw_triangle(3alleg5) al_draw_triangle(3alleg5)

al_draw_triangle - Allegro 5 API

#include <allegro5/allegro_primitives.h>
void al_draw_triangle(float x1, float y1, float x2, float y2,
   float x3, float y3, ALLEGRO_COLOR color, float thickness)

Draws an outlined triangle.

Parameters:

•
x1, y1, x2, y2, x3, y3 - Three points of the triangle
•
color - Color of the triangle
•
thickness - Thickness of the lines, pass <= 0 to draw hairline lines

al_draw_filled_triangle(3alleg5), al_draw_soft_triangle(3alleg5)

Allegro reference manual