Difference between revisions of "love (简体中文)"

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== Third-party modules(第三方模块) ==
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{{#ask: [[Category:Libraries]] [[parent::love (简体中文)]] [[Concept:Current]]
 
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Revision as of 09:17, 14 April 2016

当你开始用LÖVE编写游戏时, 需要了解几个最重要的API回调函数: love.load仅执行一次,用于初始化加载你的游戏, love.update用于管理你的游戏每一帧的状态, love.draw用于渲染你的游戏到屏幕.

为了处理玩家输入的信息以及呈现一个全方面体验的游戏,很多交互将会重写额外的回调函数.

LÖVE提供了默认的空回调函数,你可以通过对应的回调函数名在你自己的代码里重写这些函数:

-- 初始化矩形的一些默认值.
function love.load()
    x, y, w, h = 20, 20, 60, 20
end

-- 每一帧变大矩形的尺寸.
function love.update(dt)
    w = w + 1
    h = h + 1
end

-- 渲染颜色矩形.
function love.draw()
    love.graphics.setColor(0, 100, 100)
    love.graphics.rectangle("fill", x, y, w, h)
end

Modules(模块)

love.audio (简体中文) 提供一个用来创建音效的接口.
love.filesystem (简体中文) Provides an interface to the user's filesystem.
love.font (简体中文) 有了这个就可以用字体啦. Added since 0.7.0
love.graphics (简体中文) 绘制图形图片,管理屏幕显示.
love.image (简体中文) 为图像数据提供接口
love.keyboard (简体中文) Provides an interface to the user's keyboard.
love.mouse (简体中文) 提供鼠标接口的模块.
love.physics (简体中文) 能够真实地模拟2D刚体的物理性质。 Added since 0.4.0
love.sound (简体中文) This module is responsible for decoding sound files.
love.thread (简体中文) Allows you to work with threads. Added since 0.7.0

Third-party modules(第三方模块)

Functions(方法)

love.getVersion Gets the current running version of LÖVE. Added since 0.9.1
love.hasDeprecationOutput Gets whether LÖVE displays warnings when using deprecated functionality. Added since 11.0
love.isVersionCompatible Gets whether the given version is compatible with the current running version of LÖVE. Added since 0.10.0
love.setDeprecationOutput Sets whether LÖVE displays warnings when using deprecated functionality. Added since 11.0

Types(类型)

Data The superclass of all data.
Object The superclass of all LÖVE types.
Variant The types supported by love.thread and love.event.

Callbacks(回调)

General(通用)

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.errorhandler The error handler, used to display error messages. Added since 11.0
love.load This function is called exactly once at the beginning of the game.
love.lowmemory Callback function triggered when the system is running out of memory on mobile devices. Added since 0.10.0
love.quit Callback function triggered when the game is closed. Added since 0.7.0
love.run The main function, containing the main loop. A sensible default is used when left out.
love.threaderror Callback function triggered when a Thread encounters an error. Added since 0.9.0
love.update Callback function used to update the state of the game every frame.

Joystick(操作杆)

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


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