Disabling Mouse Acceleration?

[reinfeldx]

If you don’t know what mouse acceleration is, here is a description from Steam user Obfuscated:

Without mouse acceleration, the movement of the mouse and the movement of the crosshair will be 1:1.

With mouse acceleration, the movement is based on speed. Meaning, if you move the mouse 1 inch, slowly, it’ll move one distance. If you move it still 1 inch, but fast, it’ll move a lot farther.

Meaning, every time you move your mouse to aim, you’ll have to move it differently to do the same movement, making it hard to aim.

How can I disable mouse acceleration in Unity? Right now I’m using the standard first person character controller, but I don’t mind modifying this or creating a new mouse look script that disables mouse acceleration.

I am aware that acceleration can occur at the OS level—it would be great if I could disable any OS acceleration in Unity without requiring the player to tweak their OS settings outside the game. That said, I’d settle for disabling acceleration in-game and hoping that the user knows how to disable acceleration for their OS.

[Baste]

Unity uses the hardware cursor on desktop platforms, which means that there should be no acceleration. Unity has, afaik, no built-in acceleration in any way either, so a software cursor (on eg. a console) would just mean lag, not any acceleration.