al_invert_transform (3alleg5)

Allegro 5 api

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  4. al_invert_transform: Allegro 5 api
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  4. al_invert_transform: Allegro 5 api

SYNOPSIS

  • #include <allegro5/allegro.h>

void al_invert_transform(ALLEGRO_TRANSFORM *trans)

DESCRIPTION

Inverts the passed transformation. If the transformation is nearly singular (close to not having an inverse) then the returned transformation may be invalid. Use al_check_inverse(3alleg5) to ascertain if the transformation has an inverse before inverting it if you are in doubt.

Parameters:

\[bu]

trans - Transformation to invert

RELATED TO al_invert_transform…

al_check_inverse(3alleg5)