matrix_to_quat3alleg4
Constructs a quaternion from a rotation matrix. allegro game programming library.
Usage
#include <allegro.h>
void matrix_to_quat(const MATRIX_f *m, QUAT *q);
Overview
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.
Releases
7 releases since Debian 7 (Wheezy); the text changed 1 time.