Peter Watts' science fiction novels Blindsight and Echopraxia include "vampires" that co-evolved with humans. The vampires' aversion to crosses is described as their brains "crashing" when visually processing right angles.
His is an interesting take on vampire lore in sci-fi. I remember they also have drugs to mitigate this condition, and allow them to live in cities: the anti-euclidean, or auntie-e.