get_vector_rotation_quat

Section: Allegro manual (3)
Updated: version 4.2.2
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NAME

get_vector_rotation_quat - Constructs a quaternion to rotate points around a vector. Allegro game programming library.

SYNOPSIS

#include <allegro.h>

void get_vector_rotation_quat(QUAT *q, float x, y, z, float a);

DESCRIPTION

Constructs a quaternion that will rotate points around the specified x,y,z vector by the specified angle (given in binary, 256 degrees to a circle format).