SYNOPSIS

#include <allegro5/allegro_primitives.h>
void al_draw_spline(float points[8], ALLEGRO_COLOR color, float thickness)

DESCRIPTION

Draws a Bézier spline given 4 control points.

Parameters:

• points - An array of 4 pairs of coordinates of the 4 control points
• color - Color of the spline
• thickness - Thickness of the spline, pass <= 0 to draw a hairline spline