Tuesday, 12 August 2014

Use in games

First-person shooters naturally lend themselves to separate and simultaneous control of the player's movement and aim, and on computers this has historically been achieved with a mix of keyboard and mouse. Players use the X-axis of the mouse for looking (or turning) left and right, and the Y-axis for looking up and down; the keyboard is used for movement and supplemental inputs.

Mice often function as an interface for PC-based computer games and sometimes for video game consoles.

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Plenty of first person game enthusiasts prefer a mouse over a gamepad or joystick because the mouse is a linear input tool, which allows for rapid and exact control. Holding a gamepad or joystick in a given position produces a corresponding constant movement or rotation, i.e. the output is an integral of the user's input; in contrast, the output of a mouse directly corresponds to how far it is moved in a given direction (often multiplied by an "acceleration" factor derived from how quickly the mouse is moved). The effect of this is that a mouse is well suited to small, exact movements as well as large, speedy movements, both of which are important in first person gambling.[69] This advantage also extends in varying degrees to other game styles, notably real-time strategy.

The left button usually controls primary fire. If the game supports multiple fire modes, the right button often provides secondary fire from the chosen weapon. Games with only a single fire mode will usually map secondary fire to ironsights. In some games, the right button may also provide bonus options for a specific weapon, such as allowing access to the scope of a sniper rifle or allowing the mounting of a bayonet or silencer.

Game enthusiasts can use a scroll wheel for changing weapons (or for controlling scope-zoom magnification, in older games). On most first person shooter games, programming may also assign more functions to additional buttons on mice with over controls. A keyboard usually controls movement (for example, WASD for moving forward, left, backward and right, respectively) and other functions such as changing posture. Since the mouse serves for aiming, a mouse that tracks movement exactly and with less lag (latency) will give a player an advantage over players with less correct or slower mice.

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