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Variable mouse polling rate
Hello,
I've observed what feels like negative acceleration of the mouse input in a few Novalogic games. However:
I think I've felt it while playing through DF1 and DF2, but I don't remember exactly. I've done multiple tests in the helicopter scene at the start of the training quick mission in DFLW and I am certain the problem is present there. I've done further tests in DFTFD (shown below) and the problem is still there. I vaguely remember having the same problem in DFBHD (years back). Demonstration. In this video, any time I reset the character direction to face south, I also lift my mouse to place it at the leftmost side of my pad. Any time I rotate right, I always move the mouse over the same distance (to the other end of the pad). As you can see, flicking quickly results in a shorter angle in game. The only reference to the problem I could find is this post, but the suggested cause there is likely a red herring. Indeed I do not use dgVoodoo or any other type of wrapper. Some other notes:
From all these observations I tentatively conclude that the problem may be related to a variable polling rate of the mouse input, which may or may not be tied to the frame rate of the game simulation and/or the renderer (which may all be part of the same loop for all we know). Temporarily reduced frame rate could thus result in less inputs being considered (more inputs "skipped"). Has anyone else encountered this before? Does this little hypothesis feel right? Any insights would be super-appreciated! Last edited by mg; 06-25-2022 at 11:44 AM. Reason: Fix typo: fine -> find |
Tags |
flicking, framerate, mouse polling, mouse sensitivity, negative acceleration |
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