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Mouse acceleration and sensitivity options (1 comment)
Posted by bologna @ 06:50 GMT, 12 March 2019 - iMsg
Custom Curve 2.0 is now available at

You may remember Custom Curve from several years back. This expands on the same formula, bringing it up to date with a much-improved interface.

It features an interactive graph with draggable control points for more control. It also shows motion in real time which makes it easy to configure.

Edited by bologna at 07:40 BST, 26 August 2019 - 2343 Hits
Custom mouse accel program for Windows (46 comments)
Posted by bologna @ 00:25 GMT, 21 December 2012 - iMsg
Attached is a small program for creating custom mouse acceleration curves in Windows.

inspired by this thread:

Thanks to Mark C. and hoppan for sharing the necessary info.


Default settings for Windows 7/XP/Vista and Windows 8 can be loaded from the 'File' menu.

The acceleration curve is interpolated/extrapolated from 5 points on the coordinate system. ( 0, 0) is the first point and is implied. The user can select the next 4 points to create the curve:

( x1, y1)
( x2, y2)
( x3, y3)
( x4, y4)

Generally speaking:
The X value of a point represents how fast you move the mouse.
The Y value represents how much the cursor moves in response.

You can also remove mouse acceleration for older games that automatically enable it (such as quake 2) by entering a linear graph similar to:

( 1, 4)
( 2, 8)
( 3, 12)
( 4, 16)

A steeper slope means higher sensitivity. If you're trying to achieve a perfect 1:1 ratio of counts to pixels, see this thread:
Edited by bologna at 08:37 BST, 6 October 2014 - 55760 Hits
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