| matrix_to_quat(3alleg4) | Allegro manual | matrix_to_quat(3alleg4) |
matrix_to_quat - Constructs a quaternion from a rotation matrix. Allegro game programming library.
#include <allegro.h>
void matrix_to_quat(const MATRIX_f *m, QUAT *q);
Constructs a quaternion from a rotation matrix. Translation is discarded during the conversion. Use get_align_matrix_f() if the matrix is not orthonormalized, because strange things may happen otherwise.
| version 4.4.3 | Allegro |