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# love

When beginning to write games using LÖVE, the most important parts of the API are the callbacks: love.load to do one-time setup of your game, love.update which is used to manage your game's state frame-to-frame, and love.draw which is used to render the game state onto the screen.

More interactive games will override additional callbacks in order to handle input from the user, and other aspects of a full-featured game.

LÖVE provides default placeholders for these callbacks, which you can override inside your own code, simply by specifying their fully qualified name:

function love.load()
hamster = love.graphics.newImage("hamster.png")
x = 50
y = 50
end
function love.draw()
love.graphics.draw(hamster, x, y)
end

## Modules

love.audio | Provides an interface to output sound to the user's speakers. |  |
love.event | Manages events, like keypresses. |  |
love.filesystem | Provides an interface to the user's filesystem. |  |
love.font | Allows you to work with fonts. | 0.7.0 |
love.graphics | Drawing of shapes and images, management of screen geometry. |  |
love.image | Provides an interface to decode encoded image data. |  |
love.joystick | Provides an interface to connected joysticks. |  |
love.keyboard | Provides an interface to the user's keyboard. |  |
love.math | Provides system-independent mathematical functions. | 0.9.0 |
love.mouse | Provides an interface to the user's mouse. |  |
love.physics | Can simulate 2D rigid body physics in a realistic manner. |  |
love.sound | This module is responsible for decoding sound files. |  |
love.system | Provides access to information about the user's system. | 0.9.0 |
love.thread | Allows you to work with threads. | 0.7.0 |
love.timer | Provides an interface to your system's clock. |  |
love.window | Provides an interface for the program's window. | 0.9.0 |

## Functions

love.getVersion | Gets the current running version of LÖVE. | 0.9.1 |

## Types

Data | The superclass of all data. |  |
Object | The superclass of all LÖVE types. |  |

## Callbacks

### General

Config Files | Game configuration settings. |  |
love.draw | Callback function used to draw on the screen every frame. |  |
love.errhand | The error handler, used to display error messages. |  |
love.focus | Callback function triggered when window receives or loses focus. | 0.7.0 |
love.keypressed | Callback function triggered when a key is pressed. |  |
love.keyreleased | Callback function triggered when a key is released. |  |
love.load | This function is called exactly once at the beginning of the game. |  |
love.mousefocus | Callback function triggered when window receives or loses mouse focus. | 0.9.0 |
love.mousepressed | Callback function triggered when a mouse button is pressed. |  |
love.mousereleased | Callback function triggered when a mouse button is released. |  |
love.quit | Callback function triggered when the game is closed. | 0.7.0 |
love.resize | Called when the window is resized. | 0.9.0 |
love.run | The main function, containing the main loop. A sensible default is used when left out. |  |
love.textinput | Called when text has been entered by the user. | 0.9.0 |
love.threaderror | Callback function triggered when a Thread encounters an error. | 0.9.0 |
love.update | Callback function used to update the state of the game every frame. |  |
love.visible | Callback function triggered when window is shown or hidden. | 0.9.0 |

### Joystick

love.gamepadaxis | Called when a Joystick's virtual gamepad axis is moved. | 0.9.0 |
love.gamepadpressed | Called when a Joystick's virtual gamepad button is pressed. | 0.9.0 |
love.gamepadreleased | Called when a Joystick's virtual gamepad button is released. | 0.9.0 |
love.joystickadded | Called when a Joystick is connected. | 0.9.0 |
love.joystickaxis | Called when a joystick axis moves. | 0.9.0 |
love.joystickhat | Called when a joystick hat direction changes. | 0.9.0 |
love.joystickpressed | Called when a joystick button is pressed. |  |
love.joystickreleased | Called when a joystick button is released. |  |
love.joystickremoved | Called when a Joystick is disconnected. | 0.9.0 |

## OtherLanguages

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Retrieved from "https://www.love2d.org/wiki/love"
Category: Modules

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