1get_align_matrix(3)             Allegro manual             get_align_matrix(3)
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NAME

6       get_align_matrix - Rotates a matrix to align it along specified coordi‐
7       nate vectors. Allegro game programming library.
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SYNOPSIS

10       #include <allegro.h>
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13       void get_align_matrix(MATRIX *m, fixed xfront,  yfront,  zfront,  fixed
14       xup, fixed yup, fixed zup);
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DESCRIPTION

17       Rotates  a  matrix so that it is aligned along the specified coordinate
18       vectors (they need not be normalized or perpendicular, but the  up  and
19       front  must  not  be  equal). A front vector of 0,0,-1 and up vector of
20       0,1,0 will return the identity matrix.
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SEE ALSO

24       apply_matrix(3), get_camera_matrix(3)
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28Allegro                          version 4.2.3             get_align_matrix(3)