Computer mouse: Difference between revisions

Revision as of 23:09, 12 January 2025

Revision as of 23:19, 17 January 2025

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[[File:Logitech-g402 (14969391370).jpg|thumb|A Logitech G402 gaming mouse, with multiple additional buttons]]

These mice are specifically designed for use in [[PC game|computer games]]. They typically employ a wider array of controls and buttons and have designs that differ radically from traditional mice. They may also have decorative monochrome or programmable RGB LED lighting. The additional buttons can often be used for changing the sensitivity of the mouse<ref>{{cite web| url = https://www.pcmag.com/reviews/razer-viper-8k-gaming-mouse| title = Razer Viper 8K Gaming Mouse Review {{!}} PCMag| date = 28 January 2021}}</ref> or they can be assigned (programmed) to [[Macro (computer science)|macros]] (i.e., for opening a program or for use instead of a key combination).<ref>{{cite web| url = https://support.razer.com/articles/1522236721| title = How to create macros on a Razer mouse}}</ref> It is also common for game mice, especially those designed for use in [[real-time strategy]] games such as ''[[StarCraft]]'', or in [[multiplayer online battle arena]] games such as [[League of Legends]] to have a relatively high sensitivity, measured in [[dots per inch]] (DPI),<ref>{{cite web |url=http://www.microsoft.com/hardware/en-au/help/windows-8/how-to/mouse/change-mouse-sensitivity |title=Windows 8 How-to: Mice |publisher=[[Microsoft]] |work=Microsoft Hardware}}</ref> which can be as high as 25,600.<ref>{{cite web| url = https://www.pcgamer.com/logitech-is-pushing-out-a-25600-dpi-software-update-to-several-gaming-mice/| title = Logitech is pushing out a 25,600 DPI software update to several gaming mice {{!}} PC Gamer| website = PC Gamer| date = 16 September 2020| last1 = Lilly| first1 = Paul}}</ref> DPI and CPI are the same values that refer to the mouse's sensitivity. DPI is a misnomer used in the gaming world, and many manufacturers use it to refer to CPI, counts per inch.<ref>{{Cite web|url=https://www.thetechwire.com/what-does-cpi-button-on-mouse-do/|title=What Does CPI Button On A Mouse Do? (Explained)|first=Casper|last=Feeney|date=4 February 2023}}</ref> Some advanced mice from gaming manufacturers also allow users to adjust the weight of the mouse by adding or subtracting weights to allow for easier control.<ref>{{cite web| url = https://www.pcgamer.com/amp/gigabyte-launches-a-gaming-mouse-with-adjustable-weights-and-16000-dpi-sensor/| title = Gigabyte launches a gaming mouse with adjustable weights and 16,000 dpi sensor {{!}} PC Gamer| website = PC Gamer| date = 6 August 2018| last1 = Lilly| first1 = Paul}}</ref> Ergonomic quality is also an important factor in gaming mouse, as extended gameplay times may render further use of the mouse to be uncomfortable. Some mice have been designed to have adjustable features such as removable and/or elongated palm rests, horizontally adjustable thumb rests and pinky rests. Some mice may include several different rests with their products to ensure comfort for a wider range of target consumers.<ref>{{cite web |url=http://www.cyborggaming.com/prod/rat9.htm |title=Mad Catz R.A.T. 9 Product Page |access-date=2014-12-25}}</ref> Gaming mice are held by [[gamer]]s in three styles of [[wikt:grip|grip]]:<ref>{{cite web |url=http://www.gamezone.com/reviews/2013/07/11/peripheral-vision-logitech-g600-mmo-gaming-mouse |title=Peripheral Vision: Logitech G600 MMO Gaming Mouse |access-date=2013-08-09 |website=GameZone |author-first=Thomas |author-last=Adams|date=11 June 2013 }}</ref><ref>{{cite web |url=http://www.digitalstormonline.com/unlocked/pc-gaming-101-mouse-grip-styles-idnum28/ |title=PC Gaming 101: Mouse Grip Styles |website=[[Digital Storm Online, Inc.]]|url-status=dead|archive-url=https://web.archive.org/web/20150429192138/http://www.digitalstormonline.com/unlocked/pc-gaming-101-mouse-grip-styles-idnum28/|archive-date=2015-04-29}}</ref>

# Palm Grip: the hand rests on the mouse, with extended fingers.<ref>{{cite web |url=http://www.razerzone.com/mouseguide/ergonomic |title=The palm grip |publisher=Razer |work=Ergonomics guide |access-date=2013-08-12 |url-status=dead |archive-url=https://web.archive.org/web/20131031085822/http://www.razerzone.com/mouseguide/ergonomic |archive-date=2013-10-31}}</ref><ref name=":0">{{Cite web |title=Razer Mamba 2012 {{!}} RZ01-00120 Support |url=https://mysupport.razer.com/app/answers/detail/a_id/3777 |access-date=2022-09-22 |website=mysupport.razer.com}}</ref>

# Claw Grip: palm rests on the mouse, bent fingers.<ref>{{cite web |url=http://www.razerzone.com/mouseguide/ergonomic/clawgrip |title=The claw grip |publisher=Razer |work=Ergonomics guide |access-date=2013-08-12 |url-status=dead |archive-url=https://web.archive.org/web/20130423150633/http://www.razerzone.com/mouseguide/ergonomic/clawgrip |archive-date=2013-04-23}}</ref><ref name=":0" />

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[[Mickey (unit)|Mickeys]] per second is a unit of measurement for the speed and movement direction of a computer mouse,<ref name="int33h" /> where direction is often expressed as "horizontal" versus "vertical" mickey count. However, speed can also refer to the ratio between how many pixels the cursor moves on the screen and how far the mouse moves on the mouse pad, which may be expressed as [[pixels]] per mickey, pixels per [[inch]], or pixels per [[centimeter]].

The computer industry often measures mouse sensitivity in terms of counts per inch (CPI), commonly expressed as dots per inch (DPI){{spaced en dash}}the number of steps the mouse will report when it moves one inch. In early mice, this specification was called pulses per inch (ppi).<ref name="hawley" /> The mickey originally referred to one of these counts, or one resolvable step of motion. If the default mouse-tracking condition involves moving the cursor by one screen-pixel or dot on-screen per reported step, then the CPI does equate to DPI: dots of cursor motion per inch of mouse motion. The CPI or DPI as reported by manufacturers depends on how they make the mouse; the higher the CPI, the faster the cursor moves with mouse movement. However, software can adjust the mouse sensitivity, making the cursor move faster or slower than its CPI. {{As of|2007|post=,}} software can change the speed of the cursor dynamically, taking into account the mouse's absolute speed and the movement from the last stop-point.<ref>{{Cite journal |last=Müller |first=Jörg |date=26 Feb 2018 |title=Dynamics of Pointing with Pointer Acceleration |url=https://inria.hal.science/hal-01717219/document |journal=IFIP Conference on Human-Computer Interaction (INTERACT) |pages=475-495475–495 |quote=[Pointer acceleration] functions increase the mouse gain with increasing mouse velocity. |via=HAL}}</ref>

For simple software, when the mouse starts to move, the software will count the number of "counts" or "mickeys" received from the mouse and will move the cursor across the screen by that number of pixels (or multiplied by a rate factor, typically less than 1). The cursor will move slowly on the screen, with good precision. When the movement of the mouse passes the value set for some threshold, the software will start to move the cursor faster, with a greater rate factor. Usually, the user can set the value of the second rate factor by changing the "acceleration" setting.