Suppose you are standing in the corner of a large square room, and you look directly at the opposite corner of the room. FOV is usually mesured vertically, I think (it depends on the game), which means that the angle from the top of the screen to the bottom is 70 to 90 degrees. The in-game camera of a typical first-person shooter typically has a FOV between 70 and 90 degrees. Games are designed for relatively small screens, and if they start to pack too much of the environment on one screen, it starts to look weird. In real life we have peripheral vision but in games we generally don't. I play a lot of first-person shooters and other 3D games and I'm surprised at how many games don't offer a field-of-view (FOV) control. This blog isn't about games, but I'm allowed to go off-topic right?
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