Sniper Physics

General discussion of the Project Reality: BF2 modification.
UK-frontline-force
Posts: 6
Joined: 2011-06-14 18:27

Sniper Physics

Post by UK-frontline-force »

Recently got back into PR, really enjoying it and have been trying out the sniper rifles and various other weapons and been testing the recoil. Now i have read up about the snipers on a PR guide and noticed it mentions that the stance does not affect the accuracy on a sniper rifle? So correct me if I'm wrong, what they are saying basically is that no matter if you are prone etc., the accuracy is not affected when firing a sniper rifle regardless of range? IF this is the case, then surely that is unrealistic.. Or is it just a limitation on the BF2 engine?

However, as you would expect, i have noticed that at around 150 metres for example, i have to be laying down to be able to achieve a good hit, usually taking the 7/8 second rule into account whereas standing up does not achieve a hit on the enemy soldier. Could someone shed some light on this situation? Thanks guys.
J.F.Leusch69
Retired PR Developer
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Re: Sniper Physics

Post by J.F.Leusch69 »

the sniper rifle and all depolyed weapons do have the same deviation/accuracy on all stances, this was added to reflect the ability to mount/place the weapon on different obsticales like windowframes, sandbag walls etc.
hobbnob
Posts: 997
Joined: 2009-05-12 18:23

Re: Sniper Physics

Post by hobbnob »

The logic is that you'd be stupid to do this in open ground with no cover in front of you, but if you're standing behind a wall then your rifle would be 'rested' against it
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UK-frontline-force
Posts: 6
Joined: 2011-06-14 18:27

Re: Sniper Physics

Post by UK-frontline-force »

Ok i understand what you mean, i was just curious as to what the whole deal was with the deviation on the sniper rifles seeing as it seemed a bit unrealistic, however it has perfectly good reasoning behind it. Cheers for replies guys.
motherdear
Retired PR Developer
Posts: 2637
Joined: 2007-03-20 14:09

Re: Sniper Physics

Post by motherdear »

T.A.Sharps wrote:There are ways to hold your rifle, IRL, that will steady your aim as much as any other position you take where your rifle is supported by your body.
Sorry to say this, but having shot competitive rifles for 8 years i call bullshit, no stance can equal the prone stance in shear stability. However there are ways to hold the rifle and standing stances that reduce the instability indeed. Although these are never as good as the lying or kneeling stance.
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cyberzomby
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Joined: 2007-04-03 07:12

Re: Sniper Physics

Post by cyberzomby »

With the question answered can I ask another?

If so:
What weapons have bullet drop if any? I know the launchers have. But do normal rifles and sniper rifles also have bullet drop? Been playing for some years but almost never play sniper. So the off time I get my hands on one I'm not sure if I need to compensate. Or if I need to do it with my assault rifles :P

EDIT:
I know this sounds stupid coming from an "experienced" (quoted for lulz since I dont even know if theres bullet drop, so I'm no experienced player) player but I just never got a clear answer. Some people said they did some others didnt.
Doc.Pock
Posts: 2899
Joined: 2010-08-23 14:53

Re: Sniper Physics

Post by Doc.Pock »

m4 like weapons: after 200m
snipers/dmr: 800/600m i thnk
pistols pretty fast if they even do damage after time
sparks50
Posts: 1128
Joined: 2008-07-16 21:30

Re: Sniper Physics

Post by sparks50 »

cyberzomby wrote:But do normal rifles and sniper rifles also have bullet drop?
Nope, none that I have noticed.
Last edited by sparks50 on 2011-06-20 19:53, edited 1 time in total.
Doc.Pock
Posts: 2899
Joined: 2010-08-23 14:53

Re: Sniper Physics

Post by Doc.Pock »

they have drop
Lugi
Posts: 590
Joined: 2010-10-15 21:36

Re: Sniper Physics

Post by Lugi »

Yes they do have drop. Every handheld weapon does have it. You can test it by yourself on any map with 1,5 km view distance, such as desert rats or karez offensive.
sparks50
Posts: 1128
Joined: 2008-07-16 21:30

Re: Sniper Physics

Post by sparks50 »

Sorry, I guess I haven't been sniping far enough to notice. (coming from Arma)
ankyle62
Posts: 556
Joined: 2009-07-12 21:41

Re: Sniper Physics

Post by ankyle62 »

sparks50 wrote:Sorry, I guess I haven't been sniping far enough to notice. (coming from Arma)
it's no where near arma. PR sniping physics and deviation is pretty bad.
cyberzomby
Posts: 5336
Joined: 2007-04-03 07:12

Re: Sniper Physics

Post by cyberzomby »

Thx guys. Guess I never fire on a long range haha
VapoMan
Retired PR Developer
Posts: 1139
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Re: Sniper Physics

Post by VapoMan »

There is only a tiny bit of bullet drop, but the 8 second deviation waiting time simulates the time it would take to adjust the sights I suppose.

YouTube - ‪PR 0.95 sniper 1050m shot‬‏

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L4gi
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Joined: 2008-09-19 21:41

Re: Sniper Physics

Post by L4gi »

Doc.Pock wrote:m4 like weapons: after 200m
snipers/dmr: 800/600m i thnk
pistols pretty fast if they even do damage after time
Wrong.

Assault rifles etc. start dropping at 300m.

Snipers: 600m

DMR probably starts dropping at around 400m, but I dont remember the exact number.

Pistols and shotguns do barely any damage past 50 meters.
Nebsif
Posts: 1512
Joined: 2009-08-22 07:57

Re: Sniper Physics

Post by Nebsif »

[R-DEV]J.F.Leusch69 wrote:the sniper rifle and all depolyed weapons do have the same deviation/accuracy on all stances, this was added to reflect the ability to mount/place the weapon on different obsticales like windowframes, sandbag walls etc.
Thing is most people "exploit" that to go crouch->stand behind a hill instead of lying prone on it, or standing away from a window so that youre not that easy to spot. Does more harm than good imo.
shutdo
Posts: 7
Joined: 2010-05-26 09:50

Re: Sniper Physics

Post by shutdo »

L4gi wrote:Wrong.

Assault rifles etc. start dropping at 300m.

Snipers: 600m

DMR probably starts dropping at around 400m, but I dont remember the exact number.

Pistols and shotguns do barely any damage past 50 meters.
OK, if that's the case, I'm confused.
All projectiles are affected by gravitation constantly, which means the vertical component of the acceleration of the projectiles would be < 0 during the motion (1. air resistance already taken into account, or else the downward acceleration would be constant and 2. neglect the curvature of the earth because the range of the weapons are relatively short). So all i was saying is that the bullet will drop from the moment it leaves the barrel (after it is projected)

so how would the bullet drop only after a certain distance?
Just curious...
L4gi
Posts: 2101
Joined: 2008-09-19 21:41

Re: Sniper Physics

Post by L4gi »

shutdo wrote:OK, if that's the case, I'm confused.
All projectiles are affected by gravitation constantly, which means the vertical component of the acceleration of the projectiles would be < 0 during the motion (1. air resistance already taken into account, or else the downward acceleration would be constant and 2. neglect the curvature of the earth because the range of the weapons are relatively short). So all i was saying is that the bullet will drop from the moment it leaves the barrel (after it is projected)

so how would the bullet drop only after a certain distance?
Just curious...
Bullet drop in PR is not the same as it is in real life. Here it starts dropping after a set distance.
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