Question: why do you use WaitForSecondsRealtime(0.1f); instead of WaitForEndOfFrame()?

[kasradzenika]

Question: why do you use WaitForSecondsRealtime(0.1f); instead of WaitForEndOfFrame()?

[Xerios]

I doubt that it would degrade the performance in any noticeable way, maybe allocate few tiny bytes ( since unity's yield functions like WaitForSecondsRealtime are allocated ) but besides that it should still have a good performance.

Of course you could get away with yield return null or WaitForEndOfFrame() but that would put even more load since it would execute each frame.

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To clarify, if the game is lagging due to loading for instance and a frame hangs for few seconds, WaitForSecondsRealtime should still execute the next frame since it uses current time to check if 0.1 seconds have passed. I could be wrong though, it's true that I haven't tested this case.