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Character glides/glitches since update [message #486203] Mon, 17 February 2014 02:27 Go to next message
reborn is currently offline  reborn
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Since the new update, whenever I hit over 1000 FPS my character kind of glides rather than walks. The animation seems all scewed, and it flickers really badly. I can't seem to reproduce this under 1000 FPS, but it's pretty much constant over it.
For now I enabled v-Synch, but I kinda like seeing my FPS over 1000. Razz



Re: Character glides/glitches since update [message #486204 is a reply to message #486203] Mon, 17 February 2014 02:29 Go to previous messageGo to next message
danpaul88 is currently offline  danpaul88
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vsync is highly recommended for the W3D engine anyway, lots of timing based things get screwy above 60 fps. For example, the time a "firing emitter" for a weapon is rendered depends on frame rate and, above a certain frame rate, they're effectively invisible.

http://steamsignature.com/card/1/76561197975867233.png
Re: Character glides/glitches since update [message #486208 is a reply to message #486203] Mon, 17 February 2014 05:03 Go to previous messageGo to next message
Omar007 is currently offline  Omar007
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Isn't it be possible to compensate for that problem by adapting the calculation to take the time between frames into account?
Imo you don't really want to be (or keep in this case) depending on the framerate for any form of calculation. If it is possible to change, that'd be nice Smile


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Re: Character glides/glitches since update [message #486214 is a reply to message #486203] Mon, 17 February 2014 09:52 Go to previous messageGo to next message
StealthEye is currently offline  StealthEye
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They already take into account frame times. The issues are probably related to precision, roundoff, and conversion and would be hard to track down.

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Re: Character glides/glitches since update [message #486226 is a reply to message #486203] Mon, 17 February 2014 13:23 Go to previous messageGo to next message
reborn is currently offline  reborn
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Thanks guys, acknowledged.


Re: Character glides/glitches since update [message #486232 is a reply to message #486204] Mon, 17 February 2014 14:57 Go to previous messageGo to next message
Jerad2142 is currently offline  Jerad2142
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danpaul88 wrote on Mon, 17 February 2014 02:29

vsync is highly recommended for the W3D engine anyway, lots of timing based things get screwy above 60 fps. For example, the time a "firing emitter" for a weapon is rendered depends on frame rate and, above a certain frame rate, they're effectively invisible.


Frame rate also affects the physics engine, and I've noticed it screws wit particle physics that inherit from the emitter as well (but that seems to break around 30fps, at least in 3.4.4).


Re: Character glides/glitches since update [message #486258 is a reply to message #486203] Tue, 18 February 2014 02:50 Go to previous messageGo to next message
danpaul88 is currently offline  danpaul88
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Animations in the engine (and cinematics) run at 30fps so it makes sense that the particle engine also runs at the same speed.

At the end of the day the engine does a lot of weird things when you go above 60 fps and you'd be better off keeping vsync on. No point rendering 4000 frames when your monitor only runs at 60Hz anyway...


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Re: Character glides/glitches since update [message #486869 is a reply to message #486258] Thu, 20 March 2014 06:17 Go to previous messageGo to next message
Jerad2142 is currently offline  Jerad2142
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danpaul88 wrote on Tue, 18 February 2014 02:50

Animations in the engine (and cinematics) run at 30fps so it makes sense that the particle engine also runs at the same speed.

At the end of the day the engine does a lot of weird things when you go above 60 fps and you'd be better off keeping vsync on. No point rendering 4000 frames when your monitor only runs at 60Hz anyway...

The input however feels much smoother at 500FPS lol.


Re: Character glides/glitches since update [message #486871 is a reply to message #486203] Thu, 20 March 2014 07:54 Go to previous message
danpaul88 is currently offline  danpaul88
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You'll notice horrendous movement glitching once the FPS approaches 1000, your character starts spasming on the spot and flipping to face backwards constantly Smile

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