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  • "Spectre" started this thread

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Saturday, September 7th 2013, 2:24pm

Does framerate affect ROF?

#DISCLAIMER: i DID use the magical search button, but it yelded no results. If this has already been covered, please put a link in your reply. Thank you.

For those who dont know what i'm talking about, here's a brief explanation of what happens in cod (i use it as an example because i know how it works.)
First of all, guns in their stats don't have ROF expressed in Rounds Per Minute, they use FireTime instead.

"What the hell is FireTime?"
It's basically how much time a gun has to wait before the successive shot can be fired.
Example:
The Scorpion Evo on BO2 fires at a theoretical ROF of 1250. In order to know what is its firetime we have to do a little calculation: we have to divide the number of rounds the gun fires in a minute (1250) for the number of seconds in one minute (60).
60/1250 = 0.048
So our FireTime is 0.048.

"Ok then. What does framerate have to do with it?"
Hold on a second. We know that COD on consoles runs at almost 60 fps. This means that theoretically, there is a frame every 1/60 = 0.0166666666666667 seconds, rounded at 0.0167 for future references. What i did was to divide the number of frames in a second (60) for the second itself.
Now me must keep in mind that in COD a gun can fire only if there's a frame available, and only if it's yet to come. So when the timer of FireTime expires, the gun will fire "in" the closest frame available, always rounding up. So, what happens when Dude fires gun?

  1. BANG - Time: 0 //first frame, gun fired.
  2. nope - Time: 0.0167 //second frame, FireTime has not expired yet.
  3. nope - Time: 0.0334 //third frame, FireTime has not expired yet.
  4. BANG - Time: 0.0501 //fourth frame, FireTime has expired, gun fired.

Ok. So we know that our gun has an effective FireTime of 0.0501; as such, the practical ROF is 60/0.0501 = 1197.604790419162 Rounds Per minute, at 60 FPS. The conclusion is that at a lower framerate, some firerates MIGHT be effectively lower than the number found/calculated in the weapons' files.
If you've come this far, congrats. Sometimes it's difficult to write down thoughts. Oh, and here's a cookie. [>^.^]>#

After this over****ingly complicated post, question is simple: does this apply to BF3 too?
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This post has been edited 1 times, last edit by "Spectre" (Sep 7th 2013, 2:30pm) with the following reason: coz mah ingrish is gud


timminatorr

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Saturday, September 7th 2013, 2:40pm

simple answer, no. atleast to my knowledge.

this happens to blops 2 becouse of the old engine. atleast that is what im told.

Mofixil

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Saturday, September 7th 2013, 2:45pm

It applies to some games like Planetside 2 and CoDs but not BF afaik.

  • "Spectre" started this thread

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Saturday, September 7th 2013, 3:00pm

Do you know what kind of system dice uses, then? I'm not saying I dont believe you, I'm just curios.
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Mofixil

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Saturday, September 7th 2013, 3:04pm

I bet even DICE doesn't know what system they use...
I guess that's because CoD doesn't really use rounds per minute/second system but delay between shots, framerate could affect engine's "clock" and here we go with different rof.
This might be related to something like bug in MC in which changing system time caused the game to do everything a lot quicker to make up for it.

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Saturday, September 7th 2013, 3:09pm

Don't think it affect firerate, but it'll affect the point when your gun actually starts firing.
At worst 30fps can add 33 milliseconds lag to your imput.

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Saturday, September 7th 2013, 3:09pm

I bet even DICE doesn't know what system they use...
I guess that's because CoD doesn't really use rounds per minute/second system but delay between shots, framerate could affect engine's "clock" and here we go with different rof.
This might be related to something like bug in MC in which changing system time caused the game to do everything a lot quicker to catch up.

Mate, stop being so nagative. If dice was so stupid would they create such complex and great looking games?

Mofixil

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Saturday, September 7th 2013, 3:11pm

Mate, stop being so nagative. If dice was so stupid would they create such complex and great looking games?
Complex, yes, but they are getting lost in their own crap. Great looking? I don't really think any BF game is great looking, especially the last two, gloomy with too much ArtDirection™.

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Saturday, September 7th 2013, 3:37pm

BF3 uses ROF and afaik the only things that are affected is when you start and stop firing, like an on/off switch


Guess that also explains why CoD guns sound so horrible and out of rythm

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(14:06:57) Riesig: I should stop now. People might get sig material again

  • "Spectre" started this thread

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Saturday, September 7th 2013, 3:47pm

Mate, stop being so nagative. If dice was so stupid would they create such complex and great looking games?
Complex, yes, but they are getting lost in their own crap. Great looking? I don't really think any BF game is great looking, especially the last two, gloomy with too much ArtDirection™.
You mean BF3 & 4 or bc2 too? I thought bc2 had quite good color palettes...
On topic, is there a thread somewhere where this input lag thingy is explained?
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