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| POLYTYPE_ATEX(3alleg4) |
Allegro manual |
POLYTYPE_ATEX(3alleg4) |
NAME¶
POLYTYPE_ATEX - Polygon rendering mode type Allegro game programming library.
SYNOPSIS¶
#include <allegro.h>
#define POLYTYPE_ATEX
DESCRIPTION¶
An affine texture mapped polygon. This stretches the texture across the polygon
with a simple 2d linear interpolation, which is fast but not mathematically
correct. It can look OK if the polygon is fairly small or flat-on to the
camera, but because it doesn't deal with perspective foreshortening, it can
produce strange warping artifacts. To see what this means, run Allegro's test
program and see what happens to the polygon3d() test when you zoom in very
close to the cube.
SEE ALSO¶
polygon3d(3alleg4), ex3d(3alleg4)
