Odd mouse issue with TF2 on OSX
I recently fired up TF2 for the first time in a while and I noticed an odd issue. Quite often, I will need to click Mouse1 twice in order for my character to shoot. Also, at times I will notice the actual mouse cursor lagging slightly behind my crosshairs as well.
I haven't played for a while and recently decided to get going again, and this issue...kinda ruins the experience for me on anything but a spray and pray run.
Any ways to fix this? I'm not an OSX expert by any means, and this just kills the game for me.
Best Answer
Another current bug that induces input latency is that sometimes, TF2 shows up in the wrong Space—instead of staying in its own dedicated fullscreen Space, it'll be in one of your regular desktops. When that happens, TF2 can't suppress vertical sync anymore, which can have a pretty big impact on crosshair responsiveness.
You can sometimes fix the problem by command-tabbing and switching spaces until TF2 finds its way back into its own Space. If that doesn't work, relaunching the game is the annoying, surefire way of restoring proper order.
Alternatively, you can use Quartz Debug to force vsync (“Beam Sync”, in Apple terms) off, but this'll require you to sign up for a free Apple developer account, download Xcode, and then download the Graphic Tools, so it's quite a hassle to set up.
In any case, SmoothMouse is a must-have, as it'll also allow you to disable mouse acceleration, which is arguably necessary to achieve fast consistent aim.
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