get_x_rotate_matrix - Man Page

#include <allegro.h>

void get_x_rotate_matrix(MATRIX *m, fixed r);

void get_x_rotate_matrix_f(MATRIX_f *m, float r);

Construct X axis rotation matrices, storing them in m. When applied to a  point, these matrices will rotate it about the X axis by the specified  angle (given in binary, 256 degrees to a circle format).

apply_matrix(3), get_rotation_matrix(3), get_y_rotate_matrix(3), get_z_rotate_matrix(3)

get_rotation_matrix(3), get_y_rotate_matrix(3), get_z_rotate_matrix(3).

The man page get_x_rotate_matrix_f(3) is an alias of get_x_rotate_matrix(3).