al_orthographic_transform man page

al_orthographic_transform — Allegro 5 API

Synopsis

#include <allegro5/allegro.h>

void al_orthographic_transform(ALLEGRO_TRANSFORM *trans,
   float left, float top, float n,
   float right, float bottom, float f)

Description

Combines the given transformation with an orthographic transformation which maps the screen rectangle to the given left/top and right/bottom coordinates. near/far is the z-buffer range, if there is no z-buffer you can set it to -1/1.

Since

5.1.3

See Also

al_use_projection_transform(3), al_perspective_transform(3)

Referenced By

al_perspective_transform(3).

Allegro reference manual