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al_invert_transform(3alleg5) Allegro reference manual() al_invert_transform(3alleg5) Allegro reference manual()

NAME

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:
•
trans - Transformation to invert

SEE ALSO

al_check_inverse(3alleg5)