al_rotate_transform(3) al_rotate_transform(3)

al_rotate_transform - Allegro 5 API

#include <allegro5/allegro.h>
void al_rotate_transform(ALLEGRO_TRANSFORM *trans, float theta)

Apply a rotation to a transformation.

Parameters:

trans - Transformation to alter
theta - Rotation angle in radians

al_translate_transform(3), al_scale_transform(3), al_build_transform(3)

Allegro reference manual