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get_x_rotate_quat(3alleg4) Allegro manual get_x_rotate_quat(3alleg4)


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


#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);


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).

version 4.4.3 Allegro