Stuttering slow motion

Napadator · Dec 25, 2017

Hello, I experience strange slow motion behavior, video jams, is not smooth. The video was recorded at 1920x1080 and at the lowest setting, at the moment of the collision it was about 120 fps.

Specification of my computer:
CPU: i5-4690 @ 3.5 Ghz
GPU: GTX 1080 Ti
Memory: 20 GB @ 800 MHz
Physics Benchmark is 83.6 MBeams/s

Am I doing something wrong or is it some bug?

stenyak · Dec 25, 2017

You recorded the replay at 120fps, and you are playing back the replay at 0.06x (or 1/16x).

120fps / 16 = 7.5 frames per second, which is what you are seeing.

In order to extract 30fps out of those 7.5fps, we need to invent new information that doesn't exist in the replay file. We are able to do that for the overall vehicle position, but not for every physics element in the vehicle. This is why it looks ok in a straight line, but quickly breaks as soon as the vehicle is rotating or crashing.

There's plans to improve this in the future, but we haven't had time to work on that for a long time. Hence the warning label in the app

Napadator · Dec 25, 2017

Ok, thanks for the information.

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