human viewing angle

This is a discussion on human viewing angle within the Game Programming forums, part of the General Programming Boards category; not quite programming question, but the end result is, so.. i was wondering if anyone knew, or could send me ...

  1. #1
    the lowly newb
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    human viewing angle

    not quite programming question, but the end result is, so..

    i was wondering if anyone knew, or could send me a link of what the human viewing width(angle) is?

    i know it has to be between 90 and 180.

  2. #2
    Has a Masters in B.S.
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    i would say its greater than 180 horizontally, probably 190 or so... i dont really know but it varies and mine doesn't exactly cutoff at a straight angle.
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  3. #3
    the lowly newb
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    i mean the viewing angle w/o moving the eyes.

    i would guess 140 degrees maybe.

  4. #4
    Super Moderator VirtualAce's Avatar
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    For most FPS games you are only drawing the forward field of vision minus the periphery. So I would say set your horiz view angle around 60 or 45. If the screen looks weird when you turn as in the graphics seem to float unrealistically around an invisible sphere (the graphics distort at the edges of the screen) or it looks like a small fish-eye lens....reduce the viewing angle.

  5. #5
    the lowly newb
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    ok, thanks, ill start out with 60 degrees then. sound about right?
    "Build a man a fire, and he'll be warm for a day. Set a man on fire, and he'll be warm for the rest of his life."

    "They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance."

    "Light thinks it travels faster than anything but it is wrong. No matter how fast light travels, it finds the darkness has always got there first, and is waiting for it."
    [all]- Terry Pratchett

  6. #6
    Trolley boy JackGL's Avatar
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    This is a bit of a strange question, and already there have been a couple of very different answers.

    In total, I would guess it's about 200 degrees, from total left to total right.

    But, there is a spot in the centre of your eye that has a much higher density of cells than the rest of your eye. It's like a spot of high resolution. Try it out, look at my username and try and read my post without moving your eye.

    Also, the "real life" field of vision comes around you in full 360 degrees. If you try and fit 200 degrees of viewing angle on a screen that takes up about 15 degrees in reality, things are going to look weird.

    Like when you look through the little glass thing on your door to see who's outside.

  7. #7
    the lowly newb
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    true, human viewing angle is a little more compicated.

    but then, my question is, what should the viewing angle be in a 3d game?
    "Build a man a fire, and he'll be warm for a day. Set a man on fire, and he'll be warm for the rest of his life."

    "They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance."

    "Light thinks it travels faster than anything but it is wrong. No matter how fast light travels, it finds the darkness has always got there first, and is waiting for it."
    [all]- Terry Pratchett

  8. #8
    Super Moderator VirtualAce's Avatar
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    I keep it at 60 degrees.

    This was correct for my old voxel raycasters and it seems to work in true 3D as well.

  9. #9
    the lowly newb
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    ok thanks ill go for 60 then
    "Build a man a fire, and he'll be warm for a day. Set a man on fire, and he'll be warm for the rest of his life."

    "They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance."

    "Light thinks it travels faster than anything but it is wrong. No matter how fast light travels, it finds the darkness has always got there first, and is waiting for it."
    [all]- Terry Pratchett

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