apply_quat - Online Linux Manual PageSection : 3
Updated : version 4.4.3
Source : Allegro
Note : Allegro manual

NAMEapply_quat − Multiplies a point by a quaternion. Allegro game programming library.​

SYNOPSIS#include <allegro.h> void apply_quat(const QUAT *q, float x, y, z, *xout, *yout, *zout);

DESCRIPTIONMultiplies the point (x, y, z) by the quaternion q, storing the result in (*xout, *yout, *zout). This is quite a bit slower than apply_matrix_f(), so only use it to translate a few points. If you have many points, it is much more efficient to call quat_to_matrix() and then use apply_matrix_f().
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