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I see what the motion blur and bloom do, but what does "ambiant occlusion" mean ?
I think there was a setting from steam and I activated it, but I dont see some Fps
If the steam fps counter is right, the game is running as fast as possible all the time (VSYNC disabled), because the fps numbers change all the time ; on my GPU, it's running around 600+ fps in menu, 80-120 on the first field, but down to 60 frames or less in pine forest. However, the strange part is that in pine forest, the game feels sluggish.
Is there a way to re-enable VSYNC ? I don't see the point to run the menu at 600 fps, or the rest of the sim beyond 60 fps (i think it may even cause issues).
I'm running an Intel GPU (Iris Pro 580).
In general, if you have several related questions, it's usually best to post them in one topic, so as to not needlessly hide other people's discussions. I've merged some of your other topics into this one and will answer some of your questions below.
Quality settings: The quality settings combine a bunch of configurations that balance performance and visual quality in various ways. These include (non-exhaustively)
- Size of textures
- Quality, resolution and distance of shadows
- Level of detail: "distance" at which a less graphically intensive version of visible objects are swapped in
- Various things to do with lighting etc.
Ambient occlusion: Ambient occlusion[graphics.cs.williams.edu] simulates a natural phenomenon where gaps and corners are lit less strongly because ambient (i.e. "everywhere") light has more trouble reaching them. It makes scenes have more depth and a more "non-CGI" feel.
VSync: Whether VSync is enabled or not depends on your quality level. Any level "Good" and above will have it enabled. The insanely fast framerates you see are most likely because it is turned off.
For those not familiar with the term: VSync, in broad terms, is a principle whereby a game is made to only update its visuals (framerate) in sync with your monitor's refresh rate. Failing to do so means you might see "half drawn" images on the screen because one is faster or slower than the other. This is known as screen tearing. However, on less performant systems, VSync might be undesirable since it will generally cap framerate at an unacceptably slow number, at which point it becomes more desirable to crank out frames as fast as possible, rather than preventing screen tearing.
I tried Good quality level and it does indeed force sync (steady 60 fps on first track); however, my GPU is a discrete one (Iris Pro 580) and for instance the docks track does not run flawlessly (20-30 fps) in Good quality level. It would be really good if we could control VSYNC from the settings as a dedicated option, because most levels run properly on my system in Fastest (over 60 fps), so i do need VSYNC but not from Good quality.
Please consider adding a dedicated checkbox in the settings !
FYI i tried to force VSYNC with the Intel 3D settings to the display, and apparently Liftoff/Unity bypasses that, maybe you don't read the appropriate environment variable ?
Like with the shadow distance that was just exposed as a separate setting, a lot of graphic settings (though not everything) could be split off into their own options and we may well do so in the future. VSync is a sensible next step.
However, that would take quite a lot of work to implement (and test), so for the time being, we keep a lot of things bundled. This allows us to develop the project and solve bugs with minimal complications, rather than accounting for any of potentially hundreds of settings combinations. Liftoff's current core audience is also not necessarily familiar with advanced graphics customization.
Associating a VSYNC value to a quality level doesn't sound right. There is a reason why most games let users choose VSYNC on or off, even if they provide quality/effects "presets".
For instance, a user with high quality settings may want to disable VSYNC, and a user with low quality settings might want to enable it.
Anyway, please consider either respecting the drivers's VSYNC setting (at least, Intel's driver value isn't respected) OR add an option.
Thanks