Well apparently no one here who is arguing for removing bloom does. That is the system that is used and the reason why their is bloom. Hitscan in my opinion is a terrible idea, but I think it allows them to add more to the engine because it isn't calculating physical bullets. It just selects a random location within the circle and thats where the bullet hits.
Anyone ever fired a DMR round into a grunts head from a distance, most of the crosshair covers the head save a small part and that small part is the area that gets hit? Ya that better explains hitscan....
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