fixed GetAspectRatio()
Returns the aspect ratio that ZDoom is currently using for HudMessages. See HUD coordinate system.
ASPECT_4_3
ASPECT_16_9
ASPECT_16_10
ASPECT_17_10
ASPECT_5_4
Every aspect ratio constant is a fixed-point number equal to the corresponding ratio, for example, ASPECT_4_3
is equal to 1.333333333333333.