| Re: [AD] Proposal for new matrix functions |
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> How about two new matrix functions..
>
> void apply_matrix_translation(MATRIX* m, float x, y, z, float* xout, yout,
> zout);
>
> Applies the translation part only. Polygons in OXY plane will always
> face the screen. Usefull when doing billboarding (powerups, etc).
>
> void apply_matrix_rotation(MATRIX* m, float x, y, z, float* xout, yout,
> zout);
>
> Applies the matrix to the 3D (not padded with 1.0) vector with the 3z3
> rotational part. Usefull to rotate normals, etc.
Do you really need the functions? Can't you use specialized matrices built
with get_translation_matrix() and get_rotation_matrix() or
get_vector_rotation_matrix() ?
--
Eric Botcazou