cross_product(3) - Linux man page
Name
cross_product, cross_product_f - Calculates the cross product. Allegro game programming library.
Synopsis
#include <allegro.h>
void cross_product(fixed x1, y1, z1, x2, y2, z2, *xout, *yout, *zout);
void cross_product_f(float x1, y1, z1, x2, y2, z2, *xout, *yout, *zout);
Description
Calculates the cross product (x1, y1, z1) x (x2, y2, z2), storing the result in (*xout, *yout, *zout). The
cross product is perpendicular to both of the input vectors, so it can be used to generate polygon normals.
See Also
dot_product(3), polygon_z_normal(3), normalize_vector(3),
exstars(3)
Referenced By
polygon_z_normal_f(3)