I use FixedUpdate to do to very important checks and calculations.
Is it a good idea to use my authoritative server tick rate (20 hz) as also fixedTimeStep for physics
What I’ve found is the slower your physics rate, the worse it is for faster moving objects when collisions are involved. You’re more likely to get objects passing through each other, or other problems.
As far as your checks/calculations, if they aren’t for the purpose of preparing for the physics update, then they probably should be moved out of FixedUpdate.
But that said, you can certainly try increasing the fixed timestep. It will reduce your CPU usage. You just need to verify you’re still getting acceptable physics results.
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