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get_x_rotate_quat(3)            Allegro manual            get_x_rotate_quat(3)

NAME
       get_x_rotate_quat, get_y_rotate_quat, get_z_rotate_quat - Construct
       axis rotation quaternions. Allegro game programming library.

SYNOPSIS
       #include <allegro.h>

       void get_x_rotate_quat(QUAT *q, float r);

       void get_y_rotate_quat(QUAT *q, float r);

       void get_z_rotate_quat(QUAT *q, float r);

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

Allegro                          version 4.4.2            get_x_rotate_quat(3)