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Re: How many frames per second can the human eye s
[Re: Wicht]
#179195
01/21/08 22:27
01/21/08 22:27
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Joined: Aug 2003
Posts: 7,439 Red Dwarf
Michael_Schwarz
Senior Expert
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Senior Expert
Joined: Aug 2003
Posts: 7,439
Red Dwarf
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this should be in Gameplay & Game Design
awesome link! Thanks
"Sometimes JCL reminds me of Notch, but more competent" ~ Kiyaku
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Re: How many frames per second can the human eye s
[Re: Wicht]
#179197
01/21/08 23:33
01/21/08 23:33
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Joined: Sep 2002
Posts: 8,177 Netherlands
PHeMoX
Senior Expert
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Senior Expert
Joined: Sep 2002
Posts: 8,177
Netherlands
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Quote:
http://www.100fps.com/how_many_frames_can_humans_see.htm
Very fascinating indeed.
They forget that the problem isn't the amount of FPS, but rather whether or not it's perfectly constant and doesn't fluctuate much. Ideally it should not fluctuate at all. The human eye doesn't actually see slices of pictures, but a continuous stream of movie-information more or less. Therefore the knowledge that the human eye only can see so much FPS is irrelevant the moment you look at games. Games will never have a perfectly constant FPS, even games that have the FPS locked, it will still go up and down (rapidly) but maintain about the same FPS on average. That's the reason why it's so easy to spot the difference between 80fps and 100fps, it simply moves a lot more fluently.
Long story short, in games it's useful to know that a constant average of exactly 60 FPS gives a lot better results than an ever fluctuating FPS between 80 and 100.
What counts is smooth FPS averages and basically anything about about 25 FPS is enough. If there are scenes in which things are moving very fast, 25 fps might not be enough because it doesn't show enough information in between. Remember, our eyes don't see slices of images, but a continuous stream of movie-like information.
Quote:
The faster your monitor reacts (TFT for example) the Higher the framerate should be to see a fluid movement.
No not at all, it should just be extremely constant. As long as refreshing happens at regular intervals you won't notice it.
Quote:
I can still see a difference between 80 FPS and 100FPS on a tube Monitor.
Those monitors tend to flicker a lot and that will give it away.
Cheers
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Re: How many frames per second can the human eye s
[Re: FBL]
#179199
01/22/08 01:09
01/22/08 01:09
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Joined: Oct 2004
Posts: 4,134 Netherlands
Joozey
Expert
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Expert
Joined: Oct 2004
Posts: 4,134
Netherlands
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Quote:
No not at all, it should just be extremely constant. As long as refreshing happens at regular intervals you won't notice it.
Are you sure that a fluctuating fps is the cause for noticing it better?
quote from the article:
Quote:
Even though single eye cells (rods and cones) may have their limitations due to their chemical reaction times and due to the distance to the brain, you cannot be sure how they interact or complement or synchronize. If 1 cell is able to perceive 10fps, 2 cells may be able to perceive 20fps by complementing one another. So don't confuse "The human eye" with "The cell".
"by complementing one another". I take that as a thousand 'eyecells' capture images at 10fps with constant intervals, but not synchronised to eachother. All the different images from different times (within 1/10th of a second) are processed and assembled by the brain, like a big puzzle that is constantly updated with new pieces.
This taken, what does it matter when something quickly fluctuates from, let's say 80fps to 100fps, or stay constant at 90fps. I don't think you wont notice an y difference at all since, in the end, the puzzle is updated with an equal amount of "black pieces".
I admit that this is what I think. I have not calculated the facts stated here for this theory.
Last edited by Joozey; 01/22/08 01:11.
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