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s3d_angle_to_cam
Langue: en
Version: 272385 (debian - 07/07/09)
Section: 3 (Bibliothèques de fonctions)
Sommaire
NAME
s3d_angle_to_cam - calculate angle between vector and camSYNOPSIS
#include <s3d.h>
- float s3d_angle_to_cam(const float obj_pos[], const float cam_pos[], float *angle_rad);
DESCRIPTION
- Given obj_pos and cam_pos in the format float[3], angle_rad about which angle the object should be rotated around the y-axis so that it faces the camera. This might become handy if you have some text floating in space and want it to face the camera. http://en.wikipedia.org/wiki/Vector_(spatial)
AUTHOR
Simon Wunderlich
- Author of s3d
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