get_vector_rotation_quat
Constructs a quaternion to rotate points around a vector. Allegro game programming library.
- Provided by: allegro4-doc (Version: 2:4.4.3.1-2)
- Source: allegro4.4
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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).