Manual Reference Pages - APPLY_QUAT (3)
apply_quat - Multiplies a point by a quaternion. Allegro game programming library.
void apply_quat(const QUAT *q, float x, y, z, *xout, *yout, *zout);
Multiplies 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
|Allegro ||APPLY_QUAT (3) ||version 4.4.2 |
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