Feeling of Speed needs to be improved !

[FastNotFurious]

Hi Guys i love DCS but i just realized how the feeling of speed and the scrolling of the landscape on DCS is really very very below reality a short video to demonstrate this :

 

 

I tried at maximum speed and the observation is identical it's way too slow, so is Eagle Dynamics aware of this? Is this a point on which he is working and that he intends to improve or are they satisfied with the current version?

[RealDCSpilot]

In the linked video the 'real' recording runs in a higher framerate, he should have taken something like this:

But that would prove him wrong...

[FastNotFurious]

In the linked video the 'real' recording runs in a higher framerate, he should have taken something like this:

But that would prove him wrong...

 

 

 

 

 

many videos tend to prove that there is a speed problem on dcs :

 

 

 

 

 

 

 

 

Even in your vidéo the speed is more fast than in dcs :(

Edited May 18, 2020 by FastNotFurious

[Weta43]

If you match the altitude, FOV and POV that's used in the videos, DCS is a pretty good match for RL.

If you don't, you're comparing apples and oranges and expecting them to look the same.

[Shadow KT]

If you match the altitude, FOV and POV that's used in the videos, DCS is a pretty good match for RL.

If you don't, you're comparing apples and oranges and expecting them to look the same.

 

This

[Bobik2002]

If you match the altitude, FOV and POV that's used in the videos, DCS is a pretty good match for RL.

If you don't, you're comparing apples and oranges and expecting them to look the same.

Agree

[FastNotFurious]

If you match the altitude, FOV and POV that's used in the videos, DCS is a pretty good match for RL.

If you don't, you're comparing apples and oranges and expecting them to look the same.

 

 

 

sorry friend but I don't agree I tried again with the F-16, and you're right the FOV plays a lot in the speed perception, but even at 60 fps in max speed, good altitude fov at most or at most close to the video, I never reach the speeds that we can see in these videos :

 

 

 

And i just realized that i'm not the only one to notice that : https://forums.eagle.ru/showthread.php?t=201782&page=5 :(

 

 

 

 

Try yourself friend with the F-16 it's really strange,I do not understand what influences this feeling of slowness but it's very noticeable, I specify that I play without VR probably with VR the sensation of speed is very increased :huh:

[RealDCSpilot]

I'm playing DCS in VR and i can tell you that the speed is as realistic as it can be. Do not try to judge speed on a flat small window and cry for an extra speed effect like in cheap arcade racers.

[xanstin]

Agree. Feels pretty fast in VR

[RealDCSpilot]

Two simple explanations:

 

 

(watch till the end)

 

Conclusion: everything is right in DCS...

[randomTOTEN]

TL;DR possible visual illusion?

 

I have a hypothesis;

 

Obviously we know the physics of speed in DCS are extremely accurate. The terrain and aircraft are sized correctly (aircraft carriers notwithstanding :music_whistling: ). Speed is a simple distance/time calculation, and we know that the aircraft covers the appropriate amount of distance in the given time.

 

This is the sense that I mostly get by watching the comparisons, DCS and RL aircraft are covering about the same distance in a given time = speed same. But OP talks about "feeling," so I've been pondering on what gives the sensation of speed.

 

The majority of the videos cited are low flight over forest and rough terrain. I can see numerous trees passing below the aircraft in quick succession. Meanwhile in DCS fewer trees are rendered and pass below the aircraft. Real rocks and mountains have much more detail than is recreated in the simulator, and it's easy to see fine detail even when flying hundreds of feet above it. So we have a difference in ground detail available.

 

Quoting my Instrument Flying Handbook

Featureless Terrain Illusion

 

 

The absence of surrounding ground features, as in an overwater approach, over darkened areas, or terrain made featureless by snow, can create an illusion the aircraft is at a higher altitude than it actually is. This illusion, sometimes referred to as the "black hole approach," causes pilots to fly a lower approach than is desired.

When I compare the videos and look ahead of the aircraft (near the horizon).. I get the sensation that the distant mountains are approaching at the same rate, that the speeds match.

When I look at the bottom of the frame, I see substantially more objects pass below the aircraft in a given time IRL than I do in DCS, and I see greater detail on rocks, buildings, vehicles etc... and DCS feels slow.

 

Some more RL information

 

Wags flying low over trees.

[alieneye]

It`s only about FOV.

A real pilot doesn`t have a wide lens in the eyes :)

 

It`s more about a number of details on the terrain and also about the correct size of these details.

For example trees in the Caucasus are bigger than they should be, so you think that the terrain is bigger than it is and your speed feels slower.

 

I would say The Caucasus is the worst in terms of the feeling of speed.

Empty deserts of Nevada and PG as well, because of the same reason - lack of the details that your eye can catch.

Try to fly above the highway with the light poles in the desert or above the big city and you`ll feel the speed.

[Taz1004]

It`s only about FOV.

A real pilot doesn`t have a wide lens in the eyes :)

 

It`s more about a number of details on the terrain and also about the correct size of these details.

For example trees in the Caucasus are bigger than they should be, so you think that the terrain is bigger than it is and your speed feels slower.

 

I would say The Caucasus is the worst in terms of the feeling of speed.

Empty deserts of Nevada and PG as well, because of the same reason - lack of the details that your eye can catch.

Try to fly above the highway with the light poles in the desert or above the big city and you`ll feel the speed.

 

This. It's basically about the low altitude terrain detail... which I honestly don't care about.

[Sharkh]

Just as others said its only the FOV setting.

 

You probably used to arcade racers playing with 90+ fovs. on flat 16:9 screen realistic fov setting should be about 40(depending on screen size and your view distance) and than you will loose the speed perception due to you won't have peripheral vision with this realistic setting on a wide screen.

 

Just buy VR or use a 32:9 screen because its the only "partial" solution for this problem.

 

I wonder if you use head tracking because with head tracking the speed perception gets a bit better so I don't feel I am slow while playing in 16:9. I just have to look around more to feel it.

 

 

Btw In those example video in the OP . It is clearly visible that the DCS footage use much lower fov.

 

 

If you don't believe that than just ask someone to drive fast while you are on the front passenger seat in a forest road and hold two bigger flat surface on both side of your head in paralel with the road to prevent any periperal vision. Our vision is like that on a flat screen with realistic fov setting . So it can't be fixed because its not a graphical issue of DCS but the "limitation" of flat screens .

Edited May 18, 2020 by Sharkh

[Shadow KT]

No other explanation needed

 

zPWgndvi8XE

[Lange_666]

And another proof it's the FOV that does give you the feelin'.

 

A-10C through Las Vegas (on a 270° screen):

Just watch until it's flying over The Strip.

[Weta43]

Actually:

For both eyes combined (binocular) visual field is 135° vertical and 200° horizontal.